CN216651200U

CN216651200U - Back pressure microwave sterilization device

Info

Publication number: CN216651200U
Application number: CN202123224598.7U
Authority: CN
Inventors: 卓文平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-03
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of food sterilization, in particular to a back-pressure microwave sterilization device which comprises an air pressure pipe embedded on one side of the bottom end of a furnace body, wherein a microwave generator is embedded on the top end of the side surface of the furnace body, one end of the air pressure pipe is communicated with a cavity at the bottom end of the furnace body, a pressurizing valve mechanism is arranged in the cavity at the bottom end of the furnace body, and one end of the air pressure pipe, which extends to the surface of the furnace body, is communicated with an air compressor through a guide pipe. In the process of microwave sterilization of food, after the air compressor is started, the air compressor conveys compressed air into the interior of the oven body through the air compression pipe and the pressurization valve mechanism, so that the air pressure in the oven body is increased, and after the air pressure in the oven body is increased, the expansion of the food packaging bag in the microwave sterilization process can be effectively inhibited, thereby preventing the food packaging bag from being broken due to microwave sterilization.

Description

Back pressure microwave sterilization device

Technical Field

The utility model relates to the technical field of food sterilization, in particular to a back-pressure microwave sterilization device.

Background

The food is very easy to pollute and deteriorate in the processes of production, storage, transportation and sale, so that people need to sterilize the food in the production process of a screen, the traditional sterilization method comprises high-temperature high-pressure sterilization, dehydration drying sterilization and freezing sterilization, although the methods can achieve a good sterilization effect, the flavor of the food can be damaged, although the purposes of sterilization and preservation can be achieved by adding preservatives into the food, too many food additives are harmful to human bodies, and therefore, people adopt a microwave disinsection sterilization mode and kill microorganisms in the food by using the heat effect and the non-heat effect of microwave to achieve the purpose of preserving the food.

Patent document (CN201110024710.4) proposes a microwave sterilization device applied to a food processing production line, which has a main technical scheme that a plurality of microwave units are arranged in series on the production line along the material conveying direction, and the power and time of each microwave unit are independently controllable. The utility model facilitates the adjustment of different requirements of different types and batches of products on the micro-filtration sterilization power and time, has large adjustable range, can adapt to different production requirements, and has obvious energy-saving effect.

The existing scheme can adopt a microwave sterilization method to sterilize food, but still has the following problems: when the microwave is used for sterilizing, if the food is sterilized and then the food packaging bag is sealed, the possibility that the food is polluted by bacteria still exists in the sealing process, and if the food after being sealed and packaged is sterilized, the microwave can cause the interior of the food packaging bag to be heated and expanded in the sterilizing process, so that the food packaging bag can be expanded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the following problems in the prior art: in the actual use process of the traditional microwave sterilization device, the sealed food packaging bag can be expanded and damaged.

In order to solve the problems in the prior art, the utility model provides a back-pressure microwave sterilization device which comprises an air pressure pipe embedded in one side of the bottom end of a furnace body, wherein a microwave generator is embedded in the top end of the side surface of the furnace body, one end of the air pressure pipe is communicated with a cavity at the bottom end of the furnace body, a pressurizing valve mechanism is arranged in the cavity at the bottom end of the furnace body, and one end, extending to the surface of the furnace body, of the air pressure pipe is communicated with an air compressor through a guide pipe.

Preferably, the pressure valve mechanism includes the ejector pin, ejector pin and furnace body sliding connection, the ejector pin top extends to the inside cavity of furnace body, and ejector pin and middle part fixedly connected with seal pad, fixedly connected with sealing spring between sealed pad bottom and the furnace body, through such design, in the use of device, when the top of ejector pin receives the extrusion and when the lapse, drive sealed pad after the lapse, the through-hole of furnace body inner wall bottom just can be opened, compressed air just can get into inside the device, use such scheme, can avoid compressed air to leak, and reduce the energy consumption of air compressor machine.

Preferably, the through holes formed in the bottom ends of the sealing gasket and the inner wall of the furnace body are arranged on the same vertical straight line, the diameter of the sealing gasket is larger than that of the through hole formed in the bottom end of the inner wall of the furnace body, and through the design, the sealing gasket can close the hole in the bottom end of the inner wall of the furnace body well under the action of the sealing spring.

Preferably, the furnace body top covers there is the apron, and two sets of connecting rods of apron bottom fixedly connected with, two sets of connecting rod bottoms rotate respectively and are connected with the slider, and two sets of sliders all with tray sliding connection, tray bottom and ejector pin top butt, through such design, the operator can drive the apron through using structures such as cylinder, arm and remove to reach the purpose that reciprocates the tray, improve the convenience of device business turn over material process.

Preferably, tray bottom block has the fixture block, the output shaft sliding connection on fixture block bottom and motor top, motor and furnace body fixed connection, through spring elastic connection between fixture block and the motor, through such design, when the device carries out microwave sterilization to the food of placing on the tray top, the motor plays the back and drives the tray through the fixture block and rotate, make microwave more even carry out the operation of disinfecting to food, be close to the in-process of fixture block at the tray, if the unable align position of position and tray bottom fluting of fixture block, the dead slot of seting up the furnace body bottom can be impressed to the fixture block of motor elastic connection, motor drive fixture block after starting rotates to suitable position after, the dead slot that the fixture block embedding tray bottom was seted up, improve the structural rationality of device.

Preferably, the rubber ring is glued to the bottom end of the cover plate, the bottom end of the rubber ring is attached to the top end of the furnace body, and through the design, the sealing performance between the cover plate and the furnace body is improved.

Preferably, the inside of apron is inlayed and is had the relief valve, the inside fixedly connected with slide bar of relief valve, slide bar sliding connection has two sets of slides, fixedly connected with regulating spring between two sets of slides, the bottom inner wall and the slide laminating of relief valve, relief valve top threaded connection has the regulation pole, it connects to adjust the pole and extend to the inside one end and the slide rotation of relief valve, through such design, carry out the in-process of sterilizing to food at the use device, can release the inside compressed air of furnace body, avoid food to damage because pressure is too big, and adjust the distance between two sets of slides through rotating the regulation pole, can adjust the inside atmospheric pressure upper limit of furnace body.

Preferably, the top fixedly connected with rubber disc of adjusting the pole, the surface of disc is evenly seted up flutedly for the operator rotates the adjusting lever more lightly through such design, thereby convenient adjusts the device.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the process of using the device to carry out microwave sterilization on food, after the air compressor is started, the air compressor conveys compressed air to the interior of the furnace body through the air compression pipe and the pressurizing valve mechanism, so that the air pressure in the interior of the furnace body is improved, and after the air pressure in the interior of the furnace body is improved, the expansion of the food packaging bag in the microwave sterilization process can be effectively inhibited, so that the food packaging bag is prevented from expanding and breaking due to microwave sterilization.

2. In the use of device, receive the extrusion when the top of ejector pin and when the downstream, drive sealed the pad after the downstream, the through-hole of furnace body inner wall bottom just can be opened, inside compressed air could the access device, use such scheme, can avoid compressed air to leak to reduce the energy consumption of air compressor machine.

3. When the device carries out the microwave sterilization to placing the food of placing on the tray top, the motor plays the back and drives the tray rotation through the fixture block, make the microwave more even carry out the operation of disinfecting to food, be close to the in-process of fixture block at the tray, if the unable alignment position of position and the tray bottom fluting of fixture block, the dead slot of seting up with motor elastic connection's fixture block can be impressed the furnace body bottom, drive the fixture block until the motor after the start-up and rotate to suitable position after, the dead slot that the fixture block embedding tray bottom was seted up, improve the structural rationality of device.

4. In the process of using the device to sterilize food, compressed air in the furnace body can be released, the food is prevented from being damaged due to overlarge pressure, the distance between the two groups of sliding plates is adjusted by rotating the adjusting rod, and the upper limit of the air pressure in the furnace body can be adjusted.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top sectional view of a partial structure of a slider and a tray according to the present invention;

FIG. 4 is a schematic sectional bottom view of a portion of the tray and cartridge of the present invention;

fig. 5 is an enlarged view of a portion of the structure at B in fig. 1 according to the present invention.

Reference numerals: 110. a furnace body; 111. a microwave generator; 112. an air compressor; 120. a cover plate; 121. a connecting rod; 122. a slider; 123. a tray; 130. a motor; 131. a clamping block; 210. an air compression pipe; 211. a top rod; 212. a gasket; 213. a seal spring; 310. a pressure relief valve; 311. a slide bar; 312. a slide plate; 313. Adjusting the spring; 314. and adjusting the rod.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, the back pressure microwave sterilization device is assembled by the following components:

assembly description: embedding a microwave generator 111 into a hole formed on the surface of the furnace body 110, sealing and fixing the hole by using glue, then embedding an air pressure pipe 210 into the bottom end of the furnace body 110 until the air pressure pipe 210 extends into a hollow groove at the bottom end of the furnace body 110, communicating the air pressure pipe 210 with an air compressor 112 by using a rubber air pipe, fixing a push rod 211 and a sealing pad 212 by using hot melt adhesive, embedding the push rod into the hollow groove formed at the bottom end of the furnace body 110, fixing a sealing spring 213 between the sealing pad 212 and the inner wall of the furnace body 110, fixing a motor 130 at the middle part of the bottom end of the furnace body 110, slidably connecting a loop bar at the bottom end of a fixture block 131 with a cooked pig elbow of the motor 130, embedding the spring between the motor 130 and the fixture block 131, elastically connecting the motor 130 and the fixture block 131, fixing a connecting bar 121 at the bottom end of a cover plate 120, rotatably connecting the connecting bar 121 and the slider 122 by using a bearing, embedding the slider 122 into a groove formed inside a tray 123, then placing the cover plate 120 above the furnace body 110, the tray 123 enters the furnace body 110 to be inserted therein, and the top end of the latch 131 is engaged with the tray 123.

Description of the working principle: in the using process of the device, an operator places food to be sterilized on the top end of the tray 123, then the tray 123 is placed inside the furnace body 110, the cover plate 120 covers the furnace body 110, meanwhile, the operator starts the microwave generator 111 and the motor 130, the motor 130 drives the fixture block 131 to rotate, after the fixture block 131 rotates to a position aligned with the groove at the bottom end of the tray 123, the fixture block 131 is clamped with the tray 123, the motor 130 drives the tray 123 and the food placed on the top end of the tray 123 to rotate, the microwave generator 111 evenly sterilizes the food, meanwhile, after the tray 123 is placed inside the furnace body 110, the top rod 211 is pressed downwards to drive the top rod 211 and the sealing gasket 212 to move downwards, the through hole at the bottom end of the inner wall of the furnace body 110 is opened, after the air compressor 112 starts, compressed air is pumped into the furnace body 210 and the through hole at the bottom end of the furnace body 110 to increase the pressure inside the furnace body 110, avoid the food packaging bag from being damaged by thermal expansion in the sterilization process.

Example 2

As shown in fig. 1 to 5, the back pressure microwave sterilization device is assembled by the following components:

assembly description: the cover plate 120 is covered on the furnace body 110, the pressure relief valve 310 is embedded in the cover plate 120, so that the pressure relief valve 310 penetrates through the cover plate 120, the adjusting spring 313 is fixed between the two sets of sliding plates 312, after the sliding rod 311 penetrates and is connected with the sliding plates 312, the sliding rod 311 is fixedly connected in the pressure relief valve 310, so that the bottom openings of the sliding plates 312 and the pressure relief valve 310 are aligned, then the adjusting rod 314 is rotated, the adjusting rod 314 and the pressure relief valve 310 are connected in a threaded manner, and the sliding plate 312 and the adjusting rod 314 are connected in a rotating manner by using a bearing.

Description of the working principle: in the using process of the device, when the air pressure in the furnace body 110 reaches the upper limit, the sliding plates 312 can be jacked open by compressed air, the compressed air is discharged outwards through the pressure relief valves 310 to release the pressure, the distance between the two groups of sliding plates 312 is adjusted by rotating the adjusting rods 314, the compression degree of the adjusting springs 313 is changed, and the required pressure when the sliding plates 312 are jacked open is changed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Back pressure microwave sterilizing equipment, its characterized in that: including the air compression pipe (210) of furnace body (110) bottom one side inlaying, the side top of furnace body (110) is inlayed and is had microwave generator (111), and air compression pipe (210) one end and furnace body (110) bottom cavity intercommunication, furnace body (110) bottom cavity inside is provided with the forcing valve mechanism, and pipe and air compressor machine (112) intercommunication are passed through to the one end that air compression pipe (210) extended to furnace body (110) surface.

2. The back-pressure microwave sterilization device according to claim 1, characterized in that: the pressurization valve mechanism comprises a push rod (211), the push rod (211) is in sliding connection with the furnace body (110), the top end of the push rod (211) extends to the inner cavity of the furnace body (110), the push rod (211) and the middle part of the push rod are fixedly connected with a sealing gasket (212), and a sealing spring (213) is fixedly connected between the bottom end of the sealing gasket (212) and the furnace body (110).

3. The back-pressure microwave sterilization device according to claim 2, characterized in that: the sealing gasket (212) and a through hole formed in the bottom end of the inner wall of the furnace body (110) are arranged on the same vertical straight line, and the diameter of the sealing gasket (212) is larger than that of the through hole formed in the bottom end of the inner wall of the furnace body (110).

4. The back-pressure microwave sterilization device according to claim 3, characterized in that: the furnace body (110) top covers there is apron (120), and apron (120) bottom fixedly connected with two sets of connecting rods (121), and two sets of connecting rods (121) bottom rotate respectively and are connected with slider (122), and two sets of slider (122) all with tray (123) sliding connection, tray (123) bottom and ejector pin (211) top butt.

5. The back-pressure microwave sterilization device according to claim 4, characterized in that: a clamping block (131) is clamped at the bottom end of the tray (123), the bottom end of the clamping block (131) is in sliding connection with an output shaft at the top end of the motor (130), the motor (130) is fixedly connected with the furnace body (110), and the clamping block (131) is elastically connected with the motor (130) through a spring.

6. The back-pressure microwave sterilization device according to claim 4, characterized in that: and a rubber ring is glued at the bottom end of the cover plate (120), and the bottom end of the rubber ring is attached to the top end of the furnace body (110).

7. The back-pressure microwave sterilization device according to claim 6, characterized in that: the inside of apron (120) is inlayed and is had relief valve (310), inside fixedly connected with slide bar (311) of relief valve (310), slide bar (311) sliding connection has two sets of slides (312), fixedly connected with regulating spring (313) between two sets of slides (312), the bottom inner wall and the laminating of slide (312) of relief valve (310), relief valve (310) top threaded connection has adjusts pole (314), adjust pole (314) and extend to inside one end and slide (312) of relief valve (310) and rotate the connection.

8. The back-pressure microwave sterilization device according to claim 7, characterized in that: the top end of the adjusting rod (314) is fixedly connected with a rubber disc, and grooves are uniformly formed in the surface of the rubber disc.