Vacuum drying box

Abstract

The utility model provides a vacuum drying box which comprises a bottom plate, a placing plate arranged on the upper portion of the bottom plate, a working box arranged on the upper portion of the bottom plate, electric telescopic rods symmetrically arranged on the upper portion of the working box, sealing covers arranged at the ends of pushing rods of the two electric telescopic rods, and clamping grooves formed in the positions, corresponding to the sealing covers, of the upper portion of the placing plate. A vacuum pump is arranged on one side of the upper portion of the working box and connected with the upper portion of a sealing cover through an exhaust pipe, a pressure gauge is arranged on the vertical face of one side of the sealing cover, and electric heating pipes are symmetrically arranged on the upper portion of the inner side wall of the sealing cover. And therefore, the space can be saved, the device can normally work in an environment suitable for a narrow space, and the sealing cover and the placing plate can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum drying box sealing, in particular to a vacuum drying box. Background Art

[0002] Vacuum drying oven is a kind of equipment that uses vacuum environment and heating technology to dry materials quickly and evenly. It is widely used in many fields such as food processing, pharmaceuticals, chemicals, electronics, materials science, etc.

[0003] In the prior art, a vacuum drying box with a horizontally opening and closing door design is generally used to facilitate rapid drying of items to be dried.

[0004] However, the vacuum drying box in the prior art adopts a horizontal opening and closing door design, so that sufficient space must be left on the left and right sides of the equipment to facilitate the opening and closing of the side doors, thereby occupying a larger usable area. Therefore, the utility model provides a vacuum drying box, which can save space and enable it to work normally in an environment with a small space. Utility Model Content

[0005] In view of this, the utility model provides a vacuum drying box, which can seal objects in the vertical direction through the electric telescopic rod and the sealing cover, thereby saving space so that it can work normally in a small space environment, and the sealing cover and the placement plate can be conveniently cleaned, and the electric heating tube, vacuum pump and exhaust pipe can be used to evacuate the sealing cover to a vacuum state to dry the objects.

[0006] In order to solve the above technical problems, the utility model provides a vacuum drying box, a vacuum drying box, comprising a bottom plate, a placing plate is arranged on the upper part of the bottom plate, the placing plate is welded to the upper part of the bottom plate, a working box is arranged on the upper part of the bottom plate, the working box is welded to the upper part of the bottom plate, electric telescopic rods are symmetrically arranged on the upper part of the working box, the electric telescopic rods are connected to the upper part of the working box by bolts, sealing covers are arranged on the ends of the propulsion rods of the two electric telescopic rods, a clamping groove is opened at the position of the upper part of the placing plate corresponding to the sealing cover, and the clamping groove can be integrally formed with the placing plate by casting a mold during production. Type, a vacuum pump is arranged on one side of the upper part of the working box, the vacuum pump is connected to the upper part of the working box by bolts, the vacuum pump is connected to the upper part of the sealing cover by an exhaust pipe, one end of the exhaust pipe is connected to the vacuum pump by a flange, the other end of the exhaust pipe is connected to the upper part of the sealing cover by a flange, a pressure gauge is arranged on the vertical surface of one side of the sealing cover, the pressure gauge is connected to the vertical surface of one side of the sealing cover by thread matching and applying sealant on the thread, electric heating tubes are symmetrically arranged on the upper part of the inner wall of the sealing cover, and the electric heating tubes are connected to the inner wall of the sealing cover by bolts.

[0007] The end of the propulsion rod of the electric telescopic rod is connected to the upper part of the sealing cover through a rotating column, the rotating column is connected to the end of the propulsion rod of the electric telescopic rod through threaded cooperation, and one end of the rotating column is connected to the upper part of the sealing cover through a thrust bearing.

[0008] A first sealing strip is arranged in the clamping groove, the first sealing strip is embedded in the clamping groove and is fixed by a sealant, and a second sealing strip is arranged at the lower part of the sealing cover, the second sealing strip is wrapped around the lower part of the sealing cover and is fixed by a sealant.

[0009] L-shaped support columns are arranged on the vertical surfaces on both sides of the sealing cover, and the L-shaped support columns are welded to the vertical surfaces on both sides of the sealing cover. Fixed plates are arranged at the lower parts of the two L-shaped support columns, and the fixed plates are welded to the lower parts of the L-shaped support columns. A limit frame is arranged at the position of the two fixed plates at the upper part of the bottom plate, and the limit frame is welded to the upper part of the bottom plate.

[0010] An exhaust pipe is arranged on the vertical surface of one side of the sealing cover, and the exhaust pipe is welded to the vertical surface of one side of the sealing cover. A sealing plug is arranged in the exhaust pipe, and the outer wall of the sealing plug is wrapped with a rubber layer. The sealing plug is arranged in the exhaust pipe by a snap-on manner. A limit plate is arranged on one side of the sealing plug, and the limit plate is welded to one side of the sealing plug. A pull ring is arranged on one side of the limit plate, and the pull ring is welded to one side of the limit plate.

[0011] Support legs are arranged at the four corners of the lower part of the bottom plate, and the support legs are welded to the lower part of the bottom plate.

[0012] The beneficial effects of the above technical solution of the utility model are as follows:

[0013] 1. The electric telescopic rod is combined with the sealing cover to seal the items in the vertical direction, which can save space and enable it to work normally in a small space environment. The sealing cover and the placement plate can also be easily cleaned. The electric heating tube, vacuum pump and exhaust pipe can be used to evacuate the sealing cover to dry the items.

[0014] 2. The first sealing strip and the second sealing strip can further enhance the sealing effect and make the sealing strip easy to install.

[0015] 3. The exhaust pipe and the sealing plug are provided to facilitate exhaust, so as to prevent the pressure in the sealing cover from being too high, which may cause the electric telescopic rod to be unable to lift the sealing cover. The limit plate is provided to prevent the sealing plug from being sucked into the sealing cover due to excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the other side of the utility model;

[0018] Figure 3 This is a schematic diagram of the sealing cover and its components of the utility model;

[0019] Figure 4 This is a schematic diagram of the sealing cover of the utility model when viewed from above;

[0020] Figure 5 For the utility model Figure 3 Schematic diagram of the partially enlarged structure.

[0021] In the figure: 101, bottom plate; 102, working box; 103, electric telescopic rod; 104, sealing cover; 105, placement plate; 106, first sealing strip; 107, second sealing strip; 108, vacuum pump; 109, exhaust pipe; 110, pressure gauge; 111, clamping groove; 112, electric heating tube;

[0022] 201, rotating column;

[0023] 301, L-shaped support column; 302, fixing plate; 303, limiting frame;

[0024] 401, exhaust pipe; 402, sealing plug; 403, limit plate; 404, pull ring;

[0025] 501. Support leg. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0027] like Figure 1 , 2As shown: it includes a bottom plate 101, the bottom plate 101 is arranged so that each component thereon can be supported, a placement plate 105 is arranged on the top of the bottom plate 101, the placement plate 105 is arranged so that the items to be dried can be placed thereon for drying, the placement plate 105 is welded to the top of the bottom plate 101, so that its connection structure is more stable, a working box 102 is arranged on the top of the bottom plate 101, the working box 102 is arranged so that each component thereon can be supported, the working box 102 is welded to the top of the bottom plate 101, so that its connection structure is more stable, and the working box 102 is welded to the top of the bottom plate 101. The electric telescopic rod 103 is symmetrically arranged on the upper part of the box 102. The electric telescopic rod 103 is arranged so that the propulsion rod of the electric telescopic rod 103 can move up and down, thereby driving the sealing cover 104 to rise or fall, and then when the items need to be dried, it can be lowered to cover the items to be dried. Therefore, the vertical opening and closing replaces the horizontal opening and closing to save space so that it can work normally in a small space environment. The electric telescopic rod 103 is connected to the upper part of the working box 102 by bolts, so that the electric telescopic rod 103 is easy to disassemble and assemble.

[0028] like Figure 1 , 2 As shown: the ends of the push rods of the two electric telescopic rods 103 are provided with sealing covers 104, and the sealing covers 104 are provided so that the items that need to be vacuum dried can be covered by them for vacuum drying. The upper part of the placement plate 105 corresponding to the position of the sealing cover 104 is provided with a clamping groove 111, and the clamping groove 111 is provided so that the lower part of the sealing cover 104 can be clamped in the clamping groove 111, so that the sealing cover 104 will not be offset during drying, so that its position can be fixed, and the clamping groove 111 can be integrally formed with the placement plate 105 through mold casting during production, so that its connection structure is more stable, and the working box 10 A vacuum pump 108 is provided on one side of the upper portion. The vacuum pump 108 is provided so that when a vacuum environment is required, the vacuum pump 108 can be started to evacuate the air in the sealing cover 104 to a vacuum state. The vacuum pump 108 is connected to the upper portion of the working box 102 by bolts, so that it is easy to disassemble and assemble. The vacuum pump 108 is connected to the upper portion of the sealing cover 104 through an exhaust pipe 109. One end of the exhaust pipe 109 is connected to the vacuum pump 108 through a flange, and the other end of the exhaust pipe 109 is connected to the upper portion of the sealing cover 104 through a flange, so that the exhaust pipe 109 can connect the vacuum pump 108 with the sealing cover 104.

[0029] like Figure 1 , 24: A pressure gauge 110 is provided on a vertical surface on one side of the sealing cover 104. The pressure gauge 110 is provided so that the internal pressure state can be observed and whether it is leaking, so as to facilitate judgment on whether the sealing strip needs to be replaced or the vacuum pump 108 needs to be maintained. The pressure gauge 110 is connected to the vertical surface on one side of the sealing cover 104 by threaded engagement and applying sealant on the thread, so that the pressure gauge 110 can be easily disassembled and assembled and can have a closed shape. Electric heating tubes 112 are symmetrically provided on the upper part of the inner wall of the sealing cover 104. The electric heating tubes 112 are provided so that objects to be dried in the sealing cover 104 can be heated. The electric heating tubes 112 are connected to the inner wall of the sealing cover 104 by bolts, so that it is easy to disassemble and assemble.

[0030] like Figure 1 , 2 3: The end of the propulsion rod of the electric telescopic rod 103 is connected to the upper part of the sealing cover 104 through the rotating column 201. The rotating column 201 is provided so that the electric telescopic rod 103 can be easily disassembled and assembled when it needs maintenance or replacement. The rotating column 201 is connected to the end of the propulsion rod of the electric telescopic rod 103 through threaded matching, so that the rotating column 201 can be quickly disassembled and assembled on the electric telescopic rod 103. One end of the rotating column 201 is connected to the upper part of the sealing cover 104 through a thrust bearing, so that the rotating column 201 can be disassembled and assembled on the electric telescopic rod 103. No jamming will occur, a first sealing strip 106 is arranged in the snap-in groove 111, the first sealing strip 106 is embedded in the snap-in groove 111 and is fixed by a sealant, a second sealing strip 107 is arranged at the lower part of the sealing cover 104, the second sealing strip 107 is wrapped around the lower part of the sealing cover 104 and is fixed by a sealant, the first sealing strip 106 and the second sealing strip 107 are arranged so that the sealing effect can be improved after the lower part of the sealing cover 104 is snapped into the snap-in groove 111, thereby increasing the drying effect of the vacuum drying.

[0031] like Figure 3 , 4As shown: L-shaped support columns 301 are arranged on the vertical surfaces on both sides of the sealing cover 104, and the L-shaped support columns are arranged so that the fixing plate 302 can be supported. The L-shaped support columns 301 are welded on the vertical surfaces on both sides of the sealing cover 104, so that the connection structure is more stable. The lower parts of the two L-shaped support columns 301 are provided with fixing plates 302, and the fixing plates 302 are arranged so that the position of the sealing cover 104 can be determined in cooperation with the limiting frame 303, so as to further avoid the sealing cover 104 from being skewed and causing the sealing cover 104 to be tilted. 104 cannot be evacuated to a vacuum, which reduces the working efficiency. The fixing plate 302 is welded to the lower part of the L-shaped support column 301, and a limit frame 303 is set at the upper part of the base plate 101 corresponding to the position of the two fixing plates 302. The limit frame 303 is set to limit the position of the fixing plate 302, which can prevent the sealing cover 104 from shifting during operation and prevent the sealing cover 104 from tilting when descending. The limit frame 303 is welded to the upper part of the base plate 101, so that its connection structure is more stable.

[0032] like Figure 2 , 3 5: An exhaust pipe 401 is arranged on a vertical surface of one side of the sealing cover 104. The exhaust pipe 401 is arranged to prevent the problem that the electric telescopic rod 103 cannot lift the sealing cover 104 due to excessive internal vacuum pressure. The exhaust pipe 401 is welded to a vertical surface of one side of the sealing cover 104, so that its connection structure is more stable. A sealing plug 402 is arranged in the exhaust pipe 401. The sealing plug 402 is arranged so that it can be inserted into the exhaust pipe for sealing when it needs to be sealed. A rubber layer is wrapped on the outer wall of the sealing plug 402, so that the sealing performance can be improved. The sealing plug 402 is arranged in the exhaust pipe 401 by a snap-fitting manner, so that its connection structure is more stable. One side of the sealing plug 402 A limiting plate 403 is provided, and the limiting plate 403 is provided so as to prevent the sealing plug 402 from being sucked into the sealing cover 104. The limiting plate 403 is welded to one side of the sealing plug 402, so as to make its connection structure more stable. A pull ring 404 is provided on one side of the limiting plate 403, and the pull ring 404 is provided so as to facilitate the use of a tool to pull the sealing plug 402 out of the exhaust pipe 401. The pull ring 404 is welded to one side of the limiting plate 403, so as to make its connection structure more stable. Support legs 501 are provided at the four corners of the lower part of the base plate 101, and the support legs 501 are provided so that the components thereon are supported more stably. The support legs 501 are welded to the lower part of the base plate 101, so as to make its connection structure more stable.

[0033] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0034] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A vacuum drying oven, characterized in that: The invention comprises a bottom plate (101), a placement plate (105) is arranged on the top of the bottom plate (101), a working box (102) is arranged on the top of the bottom plate (101), electric telescopic rods (103) are symmetrically arranged on the top of the working box (102), sealing covers (104) are arranged at the ends of the push rods of the two electric telescopic rods (103), a clamping groove (111) is opened at the position of the top of the placement plate (105) corresponding to the sealing cover (104), a vacuum pump (108) is arranged on one side of the top of the working box (102), the vacuum pump (108) is connected to the top of the sealing cover (104) through an exhaust pipe (109), a pressure gauge (110) is arranged on a vertical surface of one side of the sealing cover (104), and an electric heating pipe (112) is symmetrically arranged on the upper part of the inner wall of the sealing cover (104).

2. The vacuum drying oven according to claim 1, characterized in that: The end of the propulsion rod of the electric telescopic rod (103) is connected to the upper part of the sealing cover (104) via a rotating column (201); the rotating column (201) is connected to the end of the propulsion rod of the electric telescopic rod (103) via threaded engagement; one end of the rotating column (201) is connected to the upper part of the sealing cover (104) via a thrust bearing.

3. The vacuum drying oven according to claim 2, characterized in that: A first sealing strip (106) is arranged in the clamping groove (111), and a second sealing strip (107) is arranged at the lower part of the sealing cover (104).

4. The vacuum drying oven according to claim 3, characterized in that: L-shaped support columns (301) are arranged on the vertical surfaces on both sides of the sealing cover (104), and the lower parts of the two L-shaped support columns (301) are provided with fixing plates (302), and the upper part of the bottom plate (101) is provided with a limiting frame (303) at the position corresponding to the two fixing plates (302).

5. The vacuum drying oven according to claim 4, characterized in that: An exhaust pipe (401) is arranged on a vertical surface on one side of the sealing cover (104), a sealing plug (402) is arranged in the exhaust pipe (401), a limiting disk (403) is arranged on one side of the sealing plug (402), and a pull ring (404) is arranged on one side of the limiting disk (403).

6. The vacuum drying oven according to claim 5, characterized in that: Support legs (501) are provided at the four lower corners of the bottom plate (101).

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