Automatic cleaning device of freeze-drying machine
The design of the scraper and collection trough of the automatic cleaning device of the freeze-drying machine solves the problem of difficult cleaning of the inner tank during the freeze-drying process of fruit and vegetable fragments, and achieves efficient cleaning of the inner tank and extended service life.
Patent Information
- Application Number
- CN202520263064.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-19
AI Technical Summary
In existing freeze-drying equipment, organic matter easily adheres to the inner liner during the freeze-drying process of fruit and vegetable fragments, which increases the difficulty of cleaning and shortens the lifespan of the equipment.
Design an automatic cleaning device for a freeze-drying machine, comprising a scraper, a bottom scraper, a side scraper, and a collection trough. The scraper moves horizontally within the inner tank, scrapes away dirt using the side and bottom scrapers, and collects and discharges the dirt through the collection trough and drain holes.
It achieves efficient cleaning of the inner wall of the liner, reduces cleaning difficulty, and extends the service life of the liner.
Smart Images

Figure CN223698795U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to freeze -drying equipment technical field, concretely related to a freeze -drying machine automatic cleaning device. BACKGROUND
[0002] Freeze -drying machine usually by refrigeration parts, vacuum parts, electrical control parts etc. constitute, mainly to the goods are frozen and sublimation processing, to reach the quick removal goods contains moisture, realize long -term goods long -term storage function.
[0003] According to the disclosure (announcement) number: CN109631506A, discloses (announcement) day: 2019-04-16, discloses a kind of for protein solution freeze -drying freeze -drying machine.
[0004] In prior art including above-mentioned patent, for long-term freeze -drying fruit and vegetable and other food freeze -drying equipment, need to be cut in advance fruit and vegetable pieces are placed in the inner container of freeze -drying equipment Easy A small amount of drop, although fallen object can be picked up manually, but fruit and vegetable pieces have organic matter before and after freeze -drying Volatile or impact drop, this part usually contains organic matter such as fiber, protein and oil will be attached to the inner container, cause the difficulty of inner container cleaning increase, the damage to inner container will also improve, reduce freeze -drying equipment service life. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a freeze -drying machine automatic cleaning device, to solve the problem generated above.
[0006] In order to achieve the above object, the utility model provides the following technical scheme:
[0007] A freeze -drying machine automatic cleaning device, including inner container, still including the scraper frame that moves in inner container, the scraper frame is according to structure and is divided into bottom plate and two side plates;
[0008] The bottom plate is provided with a material port, and the material port is provided with a bottom scraping opening slidingly attached to the inner wall of the bottom of the inner container.
[0009] The side plate is provided with a side scraping opening, and the end of the side scraping opening is provided with a channel communicating with the bottom scraping opening.
[0010] Preferably, the bottom plate is fixedly provided with a tray.
[0011] Preferably, the side scraping opening is provided with an inner inclined surface arranged in parallel.
[0012] Preferably, the material port is further provided with a converging opening, and the converging opening is rotatably provided with a triangular piece in abutting cooperation with the end of the bottom scraping opening.
[0013] Preferably, the inner container bottom inner wall is provided with a collection groove communicated with the converging opening.
[0014] Preferably, the collection groove is provided with a discharge hole communicated with the inner container outer lateral wall.
[0015] Preferably, the triangular member is provided with a push plate slidingly arranged thereon, the push plate abuts against the inner wall of the collection groove, and the included angle between the side edge of the triangular member and the end surface of the bottom scraping groove is adjustable.
[0016] Preferably, the end of the push plate is matched with the end of the discharge hole.
[0017] Preferably, the push plate is fixedly provided with a wiping strip slidingly matched with the collection groove.
[0018] Preferably, the wiping strip abuts against the inner wall of the converging opening in the default state.
[0019] In the above technical solution, the automatic cleaning device of the freeze-drying machine has the following beneficial effects: the scraping frame is horizontally moved in the inner container, and the inner lateral wall of the inner container is scraped by the side scraping groove, so that part of the scraped dirt falls on the bottom scraping groove through the channel, and the other part falls on the inner bottom wall of the inner container, and the bottom scraping groove is used to shovel all the dirt into the material opening for centralized collection in the running path of the bottom scraping groove, so that the inner lateral wall of the inner container can be scraped and cleaned once every time the freeze-drying equipment is used, the inner lateral wall of the inner container is kept clean, the subsequent cleaning difficulty of the inner container is reduced, and the service life of the inner container is increased. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0021] Figure 1 The freeze-drying equipment inner container and the internal scraping frame assembly schematic diagram provided by the embodiments of the present application;
[0022] Figure 2 The inner container and the internal scraping frame side surface cross-sectional view schematic diagram provided by the embodiments of the present application;
[0023] Figure 3 The Figure 2 enlarged schematic diagram of A;
[0024] Figure 4 The scraping frame schematic diagram provided by the embodiments of the present application;
[0025] Figure 5The embodiment of the utility model provides a triangular piece schematic view.
[0026] Mark explanation:
[0027] 1, inner bag; 2, scraping frame; 21, bottom plate; 22, side plate; 23, material port; 24, bottom scraping port; 25, converging port; 26, collection slot; 261, row hole; 27, side scraping port; 271, inner inclined surface; 28, passageway; 3, tray; 4, triangular piece; 41, push plate; 42, wiping strip. Specific embodiment
[0028] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.
[0029] As Figures 1-5 Indicated, a freeze-drying machine automatic cleaning device, including inner bag 1, still including scraping frame 2 in the inner bag 1, scraping frame 2 is divided into bottom plate 21 and two side plates 22 according to structure;
[0030] Bottom plate 21 is provided with material port 23, and the end port of material port 23 is provided with bottom scraping port 24 that slides with the bottom inner wall of inner bag 1.
[0031] Side plate 22 is provided with side scraping port 27, and the end of side scraping port 27 is provided with passageway 28 that is communicated with bottom scraping port 24.
[0032] Specifically, inner bag 1 and its material and installation mode are prior art, and here is not repeated, scraping frame 2 is in mouth shape, and the upper end between two side plates 22 is also fixedly provided with horizontally arranged plate piece, and the plate piece is same with the internal structure of side plate 22, so that the dirt scraped down falls downward to the working area of bottom scraping port 24.
[0033] Further, bottom scraping port 24 is provided with inclined surface, and the position opposite bottom scraping port 24 on material port 23 also has inclined surface, and the purpose is that positive and negative movement scraping frame 2 can realize scraping effect.
[0034] Further, passageway 28 has predetermined inclination, and the purpose is to facilitate the dirt scraped down by side scraping port 27 to fall by weight.
[0035] Further, the outer side wall of side plate 22 is fixedly provided with sliding block, and the inner side wall of inner bag 1 is provided with groove for sliding block to slide, so as to guarantee that scraping frame 2 stably translates and does not separate.
[0036] When the fruit and vegetable pieces are taken out from the inner container 1, the scraper frame 2 is horizontally moved in the inner container 1, and the inner wall of the inner container 1 is scraped by the side scraping opening 27, so that part of the scraped dirt falls on the bottom scraping opening 24 through the channel 28, and the other part falls on the inner wall of the bottom of the inner container 1, and on the path of the bottom scraping opening 24, the bottom scraping opening 24 uses the inclined surface to shovel all the dirt into the material port 23 for centralized collection, so that the inner wall of the inner container 1 can be scraped and cleaned once every time the freeze-drying equipment is used, the inner wall of the inner container 1 is kept clean, the difficulty of subsequent cleaning of the inner container 1 is reduced, and the service life of the inner container 1 is increased.
[0037] As a further provided embodiment of the utility model, the bottom plate 21 is fixedly installed with the tray 3.
[0038] Specifically, the tray 3 is detachably installed on the bottom plate 21 by supporting blocks and bolts and nuts.
[0039] The tray 3 is used to load and place the fruit and vegetable pieces, so that the inner container 1 can freeze-dry the fruit and vegetable pieces.
[0040] As another further provided embodiment of the utility model, the side scraping opening 27 is provided with parallelly arranged inner inclined surfaces 271.
[0041] Specifically, the horizontal section of the side scraping opening 27 is rhombic.
[0042] When the dirt is scraped into the side scraping opening 27, it can be guided and treated by the two inner inclined surfaces 271, so that the leakage of the dirt from the side scraping opening 27 is reduced, and the burden of the working area of the bottom scraping opening 24 is reduced.
[0043] As another further provided embodiment of the utility model, the material port 23 is further provided with a converging port 25, and the converging port 25 is rotatably provided with a triangular piece 4 which abuts against the end of the bottom scraping opening 24.
[0044] Specifically, one side wall of the converging port 25 has an arc-shaped groove which is movable at the top corner position of the triangular piece 4, the triangular piece 4 is horizontally arranged in the shape of a "V", and one of the inclined surfaces is in the same horizontal plane as the inclined surface on the bottom scraping opening 24.
[0045] The length of the inclined surface of the bottom scraping opening 24 is extended by the triangular piece 4, so that the dirt falling into the converging port 25 from the end of the inclined surface of the triangular piece 4 will not leak, and the blocking function of the port of the converging port 25 is increased.
[0046] As a further provided embodiment of the utility model, the inner wall of the bottom of the inner container 1 is provided with a collecting groove 26 which is communicated with the converging port 25.
[0047] Specifically, the inner wall of the collecting groove 26 is in the shape of an inverted trapezoid, and one of the trapezoidal side walls is further provided with an inclined surface which forms an obtuse angle with the trapezoidal side wall, so as to enhance the collection capacity of the dirt.
[0048] The dirt scraped off is collected by the collecting notch 26, reducing the workload of subsequent dirt removal.
[0049] As a further embodiment of the utility model further provides, the collecting notch 26 is provided with the drain hole 261 communicated with the outer lateral wall of the inner container 1.
[0050] Specifically, the drain hole 261 is located at the lower end of the obtuse bevel, so as to collect dirt.
[0051] The dirt collected in the inner container 1 is discharged through the drain hole 261, further reducing the subsequent cleaning steps of the inner container 1.
[0052] As a further embodiment of the utility model further provides, the triangular piece 4 is slidably provided with the push plate 41, the push plate 41 abuts against the inner wall of the collecting notch 26, so that the included angle between the side edge of the triangular piece 4 and the end face of the bottom scraping notch 24 is adjustable.
[0053] Specifically, the triangular piece 4 is provided with a torsion spring at the rotating position, and the torsion spring and its installation mode are prior art, which will not be repeated here.
[0054] By pushing the scraping frame 2 into the inner container 1, the push plate 41 abuts against the inner wall of the collecting notch 26, and the triangular piece 4 is reset to embed the push plate 41 into the collecting notch 26, at this time, the inclined surface on the triangular piece 4 and the bottom scraping notch 24 form an obtuse triangle two inclined sides, and the side wall with the arc-shaped groove (i.e. the high position of the bottom scraping notch 24) of the opening and gathering opening 25 at the top corner of the triangular piece 4 is opened, therefore, the inclined surface on the triangular piece 4 plays a role in dumping dirt, and the gap formed after opening can make the dirt enter the collecting notch 26 along the arc-shaped groove, further improving the collection efficiency of the dirt.
[0055] As a further embodiment of the utility model further provides, the end of the push plate 41 cooperates with the port of the drain hole 261.
[0056] Specifically, the end of the push plate 41 has a curved elastic metal sheet.
[0057] When the push plate 41 is embedded in the collecting notch 26, the curved end moves towards the drain hole 261, realizing the function of pushing and discharging dirt.
[0058] As a further embodiment of the utility model further provides, the push plate 41 is fixedly provided with the wiping strip 42 which is in sliding cooperation with the collecting notch 26.
[0059] Specifically, the wiping strip 42 is a strip-shaped wiping member composed of metal or nylon bristles.
[0060] When the scraping frame 2 moves towards the inner container 1 port, the push plate 41 slides out of the collection notch 26 and brushes the inner wall of the collection notch 26 with the bristles, thereby reducing the adhesion of dirt in the collection notch 26 and the bristles sliding out of the collection notch 26 can also brush and clean the bottom inner wall of the inner container 1.
[0061] As a further embodiment of the utility model, the wiping strip 42 is in abutting fit with the inner wall of the converging port 25 in the default state.
[0062] Specifically, the push plate 41 and the end of the triangular piece 4 are in plug-in fit, and a spring is fixedly installed at the plug-in position, so that the spring adheres the wiping strip 42 to the inner wall of the arc-shaped groove in the default state.
[0063] The wiping strip 42 can also brush the inner wall of the arc-shaped groove by being extruded by the inner wall of the collection notch 26, thereby cleaning the dirt remaining in the gap and improving the cleaning efficiency.
[0064] Working principle: when the fruit and vegetable fragments are taken out of the inner container 1, the scraping frame 2 moves horizontally in the inner container 1, and the side scraping port 27 scrapes the inner wall of the inner container 1, so that part of the scraped dirt falls on the bottom scraping port 24 through the channel 28, and the other part falls on the bottom inner wall of the inner container 1, and on the path of the bottom scraping port 24, the bottom scraping port 24 uses the inclined surface to shovel all the dirt into the material port 23 for centralized collection, so that the inner wall of the inner container 1 can be scraped and cleaned once every time the freeze-drying equipment is used, and the inner wall of the inner container 1 is kept clean and tidy.
[0065] The above only describes some exemplary embodiments of the utility model in a descriptive manner, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. A freeze-drying machine automatic cleaning device comprising an inner container (1), characterized in that, Also include the scraper frame (2) in the inner container (1), the scraper frame (2) is divided into bottom plate (21) and two side plates (22) according to structure; The bottom plate (21) is provided with a material port (23), and the material port (23) is provided with a bottom scraping port (24) slidingly fitted with the bottom inner wall of the inner container (1); The side plate (22) is provided with a side scraping port (27), and the side scraping port (27) is provided with a channel (28) communicated with the bottom scraping port (24).
2. An automatic cleaning apparatus for a freeze-drying machine according to claim 1, characterized in that, The bottom plate (21) is fixedly provided with a tray (3).
3. The automatic cleaning apparatus for a freeze-drying machine according to claim 1, wherein The side scraping port (27) is provided with an inner inclined surface (271) arranged in parallel.
4. The automatic cleaning apparatus for a freeze-drying machine according to claim 1, wherein The material port (23) is also provided with a converging port (25), and the converging port (25) is rotatably provided with a triangular piece (4) abuttingly fitted with the end of the bottom scraping port (24).
5. An automatic cleaning apparatus for a freeze-drying machine according to claim 4, characterized in that, The bottom inner wall of the inner container (1) is provided with a collecting groove (26) communicated with the converging port (25).
6. An automatic cleaning apparatus for a lyophilization machine according to claim 5, wherein The collecting groove (26) is provided with a discharge hole (261) communicated with the outer side wall of the inner container (1).
7. An automatic cleaning apparatus for a lyophilization machine according to claim 6, characterized in that, The triangular piece (4) is slidably provided with a push plate (41), and the push plate (41) abuts the inner wall of the collecting groove (26), so that the included angle between the side edge of the triangular piece (4) and the end face of the bottom scraping port (24) is adjustable.
8. An automatic cleaning apparatus for a lyophilization machine according to claim 7, characterized in that, The end of the push plate (41) is matched with the end of the discharge hole (261).
9. An automatic cleaning apparatus for a lyophilization machine according to claim 7, wherein The push plate (41) is fixedly provided with a wiping strip (42) slidably fitted with the collecting groove (26).
10. A freeze-drying machine automatic cleaning apparatus according to claim 9, wherein By default, the wiping strip (42) is abuttingly fitted with the inner wall of the converging port (25).
Citation Information
Patent Citations
Freezer dryer for protein solution freeze-drying
CN109631506A