Freeze dryer for plastic particle processing

Abstract

The utility model discloses a freeze dryer for plastic particle processing, which comprises a box body and a plurality of trays, a support frame and two first fixing frames are arranged in the box body, and the freeze dryer further comprises an adjusting mechanism, an adjusting mechanism and a control mechanism, and the adjusting mechanism is connected in the two first fixing frames in a sliding manner; the vibrating mechanism is located on the outer wall of the top of the supporting frame, the vibrating mechanism comprises a connecting plate and a motor, an output shaft of the motor is fixedly connected with a first mounting wheel, the outer wall of the top of the supporting frame is connected with a second mounting wheel through a bearing, and the outer wall of the first mounting wheel and the outer wall of the second mounting wheel are sleeved with a belt. The freeze dryer for processing the plastic particles has the advantages that the drying quality of the plastic particles is further improved, the complexity of manual operation is reduced, the working efficiency is improved, the freeze dryer is suitable for freeze drying treatment of the plastic particles of different types and specifications, and the freeze dryer has high universality and adaptability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic processing, especially to a freeze drying machine for plastic particle processing. BACKGROUND

[0002] The freeze drying machine for plastic particle processing is a device specially designed for drying and processing plastic particles, which is based on freeze drying technology, that is, using the principle of sublimation to directly sublimate water in the material from solid to gas, thereby realizing efficient drying.

[0003] However, the traditional freeze drying machine for plastic particle processing usually adopts the method of placing the plastic particles in layers on the shelves and trays for drying, and the plastic particles in the same tray layer are placed for a long time, which may cause the risk of adhesion of the plastic particles due to water residue or physical properties, and the heat transfer efficiency is reduced.

[0004] For example, when the plastic particles in the same tray layer adhere due to the water film remaining on the tray, the adhered plastic particles are unevenly distributed, which may cause incomplete drying in some areas and may increase the difficulty of subsequent processing, such as requiring more energy or time to process the adhered particles. SUMMARY

[0005] The utility model discloses a freeze drying machine for plastic particle processing, which aims to solve the technical problem of the traditional freeze drying machine for plastic particle processing, which usually adopts the method of placing the plastic particles in layers on the shelves and trays for drying, and the plastic particles in the same tray layer are placed for a long time, which may cause the risk of adhesion of the plastic particles due to water residue or physical properties, and the heat transfer efficiency is reduced.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A freeze drying machine for plastic particle processing, comprising a box body and a plurality of trays, the inside of the box body is provided with a support frame and two first fixed frames, further comprising: an adjusting mechanism: slidingly connected to the inside of the two first fixed frames; a vibration mechanism: located on the top outer wall of the support frame, the vibration mechanism comprises a connecting plate and a motor, the output shaft of the motor is fixedly connected with a first mounting wheel, the top outer wall of the support frame is connected with a second mounting wheel through a bearing, the outer wall of the first mounting wheel and the second mounting wheel is sleeved with a belt, the top outer wall of the second mounting wheel is provided with a protrusion near the edge position, one end of the connecting plate is sleeved with the circumferential outer wall of the protrusion.

[0008] By adopting the technical scheme, the drying quality of the plastic particles can be further improved, the complexity of manual operation is reduced, and the working efficiency is improved, and the device is suitable for the freeze-drying treatment of plastic particles of different types and specifications, and has strong universality and adaptability. Specifically, when in use, the plastic particles are placed in the plurality of trays, then the plurality of trays are fixed at equal distances by the adjusting mechanism, and are moved to between the two first fixing frames, then the limiting rod hinged to one of the support columns is rotated by ninety degrees, one end of the limiting rod is placed on the connecting block, the temperature in the box is rapidly reduced to -30°C to -50°C by the refrigeration system in the freeze-drying machine, at this time, the plastic particles are spread in the trays, the motor drives the belt to drive, under the limiting of the slide groove and the adjusting mechanism, the convex block of the second mounting wheel drives the connecting plate to vibrate linearly and reciprocally, so that the plastic particles in the tray are uniformly disturbed, the surface of the condenser maintains a low temperature of -45°C to -55°C, the sublimed water vapor is condensed into liquid water after contacting the condenser, and is discharged through the drain pipe, then the heating system is started, the temperature in the box is slowly increased to above 0°C, and the vibration mechanism continuously operates to ensure that the residual moisture is uniformly released, and finally, the residual water film formed by the sublimed ice crystals at the bottom of the bottommost tray is scraped and collected by the collecting mechanism.

[0009] In a preferred scheme, the adjusting mechanism comprises two mounting plates and a plurality of knobs, the mounting plates are slidingly connected to the inner wall of the slide groove, the outer wall of one side of each of the two mounting plates is provided with a plurality of installation openings distributed at equal distances, the outer wall of one side of the knob is provided with a limiting column, the limiting column is threadedly connected with the inner wall of the installation opening, and one end of the limiting column is threadedly connected with one side of the tray.

[0010] In this scheme, the two mounting plates can slide in the slide groove, which facilitates flexible adjustment of the distance between the two mounting plates according to the length of the tray, the limiting column can be threadedly connected with the inner wall of the installation opening, so as to fix the knob on the mounting plate, and this design allows the user to select different positions of the installation opening to fix the knob, so as to adjust the position of the tray.

[0011] In a preferred scheme, the collecting mechanism comprises an electric telescopic rod, a collecting box is arranged between the outer walls of the opposite sides of the two mounting plates, the electric telescopic rod is fixedly installed on the outer wall of one side of one of the mounting plates, the movable end of the electric telescopic rod penetrates through the inner wall of one side of the collecting box, and a scraper is fixedly connected to the movable end of the electric telescopic rod.

[0012] In this scheme, the scraper can automatically move in the collecting box through the driving of the electric telescopic rod, the residual water film formed by the sublimed ice crystals is removed through physical scraping, and is concentrated in the interior of the collecting box, and this automatic cleaning mode improves the cleaning efficiency.

[0013] From the above, a kind of plastic particle processing freeze dryer, including box and several trays, the inside of the box is equipped with support frame and two first fixed frame, further include: adjusting mechanism: slidingly connected in the inside of two first fixed frame;Vibration mechanism: located at the top outer wall of support frame, the vibration mechanism includes connecting plate and motor, the output shaft of the motor is fixedly connected with first mounting wheel, the top outer wall of support frame is connected with second mounting wheel by bearing, the outer wall of first mounting wheel and second mounting wheel is sleeved with belt, the top outer wall of second mounting wheel is equipped with lug near edge position, the one end of connecting plate is sleeved in the circumferential outer wall of lug;Collecting mechanism: located in the directly below of adjusting mechanism.The plastic particle processing freeze dryer provided by the utility model has further improved the drying quality of plastic particle, reduced the complexity of manual operation, improved work efficiency, applicable to the freeze drying treatment of different kinds and specifications of plastic particle, with strong versatility and adaptive technical effects. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The overall structure schematic diagram of the plastic particle processing freeze dryer is provided for the utility model.

[0015] Figure 2 The adjusting mechanism structure schematic diagram of the plastic particle processing freeze dryer is provided for the utility model.

[0016] Figure 3 The collecting mechanism structure schematic diagram of the plastic particle processing freeze dryer is provided for the utility model.

[0017] Figure 4 The tray structure schematic diagram of the plastic particle processing freeze dryer is provided for the utility model.

[0018] Figure 5 The vibration mechanism schematic diagram of the plastic particle processing freeze dryer is provided for the utility model.

[0019] In the drawings: 1, box;2, first fixed frame;3, support column;4, support frame;5, mounting plate;6, tray;7, water outlet hole;8, knob;9, mounting port;10, second fixed frame;11, electric telescopic rod;12, collection box;13, scraper;14, limit rod;15, limit column;16, motor;17, first mounting wheel;18, connecting plate;19, belt;20, second mounting wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] The utility model discloses a kind of freeze-drying machines for plastic particle processing, mainly applied to the freeze-drying machine for traditional plastic particle processing usually adopts the way of layering to place on shelf tray to dry plastic particles, located in the same tray layer and long time stationary storage, there can be the risk of plastic particles sticking due to moisture residue or physical properties, the scene of reduced heat transfer efficiency.

[0022] With reference to Figure 1 、 Figure 3 and Figure 5 , a freeze-drying machine for plastic particle processing, comprising a box body 1 and a plurality of trays 6, the inside of the box body 1 is provided with a support frame 4 and two first fixed frames 2, further comprising: an adjusting mechanism connected to the inside of the two first fixed frames 2; a vibration mechanism located at the top outer wall of the support frame 4, the vibration mechanism includes a connecting plate 18 and a motor 16, the output shaft of the motor 16 is fixedly connected with a first mounting wheel 17, the top outer wall of the support frame 4 is connected with a second mounting wheel 20 through a bearing, the outer wall of the first mounting wheel 17 and the second mounting wheel 20 is sleeved with a belt 19, the top outer wall of the second mounting wheel 20 is provided with a protruding block near the edge position, one end of the connecting plate 18 is sleeved with the circumferential outer wall of the protruding block; a collecting mechanism located directly below the adjusting mechanism.

[0023] Among them, the top outer wall of the two first fixed frames 2 is provided with two support columns 3, the top outer wall of the adjacent two support columns 3 is provided with a second fixed frame 10, the opposite outer wall of the two first fixed frames 2 and the two second fixed frames 10 is provided with a sliding groove, the outer wall of one side of the two support columns 3 is respectively provided with a limiting rod 14 and a connecting block, the limiting rod 14 is located at the top outer wall of the connecting block, through the mutual cooperation of the two first fixed frames 2 and the two second fixed frames 10, and the supporting effect of the support column 3, a relatively stable frame structure is formed, which helps to enhance the stability and carrying capacity of the whole structure.

[0024] Specifically, in use, plastic granules are first placed in multiple trays 6. Then, the multiple trays 6 are fixed at equal distances using an adjusting mechanism and moved between two first fixed frames 2. Next, the limiting rod 14, which is hinged to one of the support columns 3, is rotated 90 degrees so that one end of the limiting rod 14 is placed on the connecting block. Then, the temperature inside the chamber 1 is rapidly reduced to -30°C to -50°C by the refrigeration system in the freeze dryer. At this time, the plastic granules are spread in the trays 6. The motor 16 drives the belt 19 for transmission. Under the limitation of the slide and the adjusting mechanism, the protrusion of the second mounting wheel 20 drives the connecting plate 18 to vibrate linearly back and forth, so that the plastic granules in the trays 6 spread out. The particles are uniformly disturbed, and the condenser surface is maintained at a low temperature of -45°C to -55°C. Sublimated water vapor condenses into liquid water upon contact with the condenser and is discharged through the drain pipe. Then, the heating system is activated, and the temperature inside the chamber slowly rises to above 0°C. The vibration mechanism continues to run to ensure that residual moisture is released evenly. Finally, the collection mechanism scrapes off and collects the residual water film formed by sublimated ice crystals at the bottom of the lowest tray 6. This device can further improve the drying quality of plastic particles, reduce the complexity of manual operation, and improve work efficiency. It is suitable for freeze-drying different types and specifications of plastic particles and has strong versatility and adaptability.

[0025] Reference Figure 2 , Figure 3 and Figure 4 In a preferred embodiment, the adjustment mechanism includes two mounting plates 5 and several knobs 8. The mounting plates 5 are slidably connected to the inner wall of the slide groove. Several equally spaced mounting openings 9 are provided on one outer wall of each of the two mounting plates 5. A limiting post 15 is provided on one outer wall of each knob 8. The limiting post 15 is threadedly connected to the inner wall of the mounting opening 9. One end of the limiting post 15 is threadedly connected to one side of the tray 6.

[0026] It should be noted that the anti-stick layer can be sprayed or pasted on the surface of tray 6 using low surface energy materials such as Teflon PTFE and silicone to reduce the adhesion between plastic particles and tray 6. The tray 6 is designed to be removable, making it easy to clean or replace the anti-stick layer.

[0027] The bottom inner wall of the tray 6 has a wavy structure. Drainage holes 7 are provided on the bottom inner wall, the inner walls on both sides, and the inner walls on both sides. Water inside the tray 6 can be discharged through multiple locations, thereby improving drainage efficiency. The design of multiple drainage holes 7 helps to ensure that water inside the tray 6 can be discharged quickly, preventing plastic particles from sticking together due to water accumulation.

[0028] In the specific implementation process, the mounting plate 5 has an "I" shaped structure. This design provides excellent structural strength, enabling the mounting plate 5 to withstand large vertical and horizontal loads.

[0029] Specifically, the two mounting plates 5 can slide in the sliding groove, which facilitates flexible adjustment of the distance between the two mounting plates 5 according to the length of the tray 6, the limiting column 15 can be connected with the inner wall of the mounting port 9 through screw connection, so as to fix the knob 8 on the mounting plate 5, which allows the user to select different positions of the mounting port 9 to fix the knob 8 according to the needs, and then adjust the position of the tray 6.

[0030] Referring to Figure 5 In a preferred embodiment, the two side outer walls of one of the mounting plates 5 are provided with connecting frames, and the connecting plate 18 is hinged to the top outer wall of the connecting frame, which facilitates the synchronous movement of one of the mounting plates 5 in the sliding groove on the first fixing frame 2 and the second fixing frame 10 along with the reciprocating linear movement of the vibration mechanism.

[0031] Referring to Figure 1 and Figure 3 In a preferred embodiment, the collection mechanism includes an electric telescopic rod 11, and a collection box 12 is arranged between the opposite side outer walls of the two mounting plates 5, the electric telescopic rod 11 is fixedly installed on one side outer wall of one of the mounting plates 5, the movable end of the electric telescopic rod 11 penetrates through one side inner wall of the collection box 12, and the movable end of the electric telescopic rod 11 is fixedly connected with a scraper 13, and it needs to be noted that the top of the scraper 13 abuts against the bottom of the lowest tray 6 on the mounting plate 5, and the scraper 13 can move in the collection box 12 automatically through the driving of the electric telescopic rod 11, so as to remove the residual water film formed by the sublimated ice crystals on the bottom of the lowest tray 6 through physical scraping and collect it in the inside of the collection box 12, and this automatic cleaning method improves the cleaning efficiency.

[0032] Working principle: in use, first, the plastic particles are placed in the plurality of trays 6, then the plurality of trays 6 are fixed at equal distances by the adjusting mechanism, and are moved to between the two first fixing frames 2, then the limiting rod 14 hinged to one of the support columns 3 is rotated by ninety degrees, so that one end of the limiting rod 14 is placed on the connecting block, then the temperature in the box 1 is rapidly reduced to -30°C to -50°C through the refrigeration system in the freeze-drying machine, at this time, the plastic particles spread in the tray 6, the motor 16 drives the belt 19 to transmit, under the limiting of the sliding groove and the adjusting mechanism, the convex block of the second mounting wheel 20 drives the connecting plate 18 to reciprocate linearly, so as to make the plastic particles in the tray 6 produce uniform disturbance, the surface of the condenser maintains a low temperature of -45°C to -55°C, the sublimated water vapor condenses into liquid water after contacting the condenser, and is discharged through the drain pipe, then the heating system starts to work, the temperature in the box slowly rises above 0°C, and the vibration mechanism continuously operates to ensure that the residual moisture is uniformly released, and finally the collection mechanism is used to scrape and collect the residual water film formed by the sublimated ice crystals on the bottom of the lowest tray 6.

[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A freeze dryer for processing plastic granules, comprising a housing (1) and several trays (6), wherein the housing (1) is provided with a support frame (4) and two first fixing frames (2) inside, characterized in that, Also includes: Adjustment mechanism: slidably connected inside the two first fixing frames (2); Vibration mechanism: Located on the top outer wall of the support frame (4), the vibration mechanism includes a connecting plate (18) and a motor (16). The output shaft of the motor (16) is fixedly connected to a first mounting wheel (17). The top outer wall of the support frame (4) is connected to a second mounting wheel (20) through a bearing. A belt (19) is sleeved on the outer wall of the first mounting wheel (17) and the second mounting wheel (20). A protrusion is provided on the top outer wall of the second mounting wheel (20) near the edge. One end of the connecting plate (18) is sleeved on the circumferential outer wall of the protrusion. Collection mechanism: located directly below the adjustment mechanism.

2. The freeze dryer for processing plastic granules according to claim 1, characterized in that, Two support columns (3) are provided on the top outer wall of each of the two first fixing frames (2), and a second fixing frame (10) is provided on the top outer wall of the two adjacent support columns (3). Sliding grooves are provided on the opposite outer wall of the two first fixing frames (2) and the two second fixing frames (10). A limiting rod (14) and a connecting block are respectively provided on one side outer wall of the two support columns (3). The limiting rod (14) is located on the top outer wall of the connecting block.

3. The freeze dryer for processing plastic granules according to claim 2, characterized in that, The adjustment mechanism includes two mounting plates (5) and several knobs (8). The mounting plates (5) are slidably connected to the inner wall of the slide groove. Several equally spaced mounting openings (9) are provided on one outer wall of each of the two mounting plates (5). A limiting post (15) is provided on one outer wall of each knob (8). The limiting post (15) is threadedly connected to the inner wall of the mounting opening (9). One end of the limiting post (15) is threadedly connected to one side of the tray (6).

4. The freeze dryer for processing plastic granules according to claim 1, characterized in that, The bottom inner wall of the tray (6) has a wavy structure, and water outlet holes (7) are provided on the bottom inner wall, the inner walls on both sides and the inner walls on both sides of the tray (6).

5. A freeze dryer for processing plastic granules according to claim 3, characterized in that, The mounting plate (5) has an "I" shaped structure.

6. A freeze dryer for processing plastic granules according to claim 5, characterized in that, One of the mounting plates (5) has connecting frames on both outer walls, and the connecting plate (18) is hinged to the top outer wall of the connecting frame.

7. A freeze dryer for processing plastic granules according to claim 3, characterized in that, The collection mechanism includes an electric telescopic rod (11), and a collection box (12) is provided between the outer walls of the two mounting plates (5) on opposite sides. The electric telescopic rod (11) is fixedly installed on one side of the outer wall of one of the mounting plates (5). The movable end of the electric telescopic rod (11) passes through the inner wall of one side of the collection box (12), and a scraper (13) is fixedly connected to the movable end of the electric telescopic rod (11).

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