CN214665677U

CN214665677U - Dryer for pet food processing containing Tenebrio larvae

Info

Publication number: CN214665677U
Application number: CN202120800082.3U
Authority: CN
Inventors: 刘永华
Original assignee: Luohe Libei Biotechnology Co ltd
Current assignee: Luohe Libei Biotechnology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-09
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of drying, in particular to a drying device for pet food processing containing Tenebrio larvae, comprising a drying box, wherein the drying box is fixed with a plurality of drying chambers that divide the interior of the drying box into a plurality of mutually independent drying chambers The outer end surface of the drying box is fixed with a drying mechanism for delivering hot dry air to the drying chamber, the side wall of the drying chamber is connected with an exhaust pipe, and the inner side wall of the drying chamber is fixed with a support plate, A support plate is placed on the support plate, a cleaning mechanism for cleaning the fallen residue is movably connected in the drying chamber, a protective cover is fixed on the rear end surface of the drying box, and a drive for driving the operation of the cleaning mechanism is arranged in the protective cover. The opening of the drying chamber is hinged with an inner sealing door, and the opening of the drying box is hinged with an outer sealing door. The technical field has broad application prospects.

Description

Drying device for pet food processing containing tenebrio molitor larvae

Technical Field

The utility model belongs to the technical field of the dry technique and specifically relates to a pet food processing drying device who contains yellow mealworm larva.

Background

The pet food is used as the special food for the pet, and gradually replaces the food eaten by people and enters the bowl of the pet along with the continuous development of material civilization, the processing of the pet food is as complicated as the processing of human food, one of the processes is to carry out hot air drying on the pet food so as to ensure the shelf life of the pet food, and therefore, a device is required to be designed for carrying out the process. In the prior art, pet food is usually placed in the same space of a cabinet body for drying operation, but the pet food with different materials has different drying time, and the pet food with different materials is placed in the same space for drying, so that the drying effect of the pet food is easily influenced; in addition, in the drying process of the pet food, some residues fall to the bottom of the drying chamber, and if the residues are not cleaned for a long time, bacteria are easy to breed, and the residues are difficult to clean, so that the production quality of the pet food is influenced, and therefore the pet food drying device for solving the problems is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that pet foods of different materials cannot be dried simultaneously and residues falling from the bottom of a drying chamber after drying are inconvenient to remove in the prior art, the drying device for processing the pet foods containing the tenebrio molitor larvae is invented.

The technical proposal of the utility model is that the drying oven comprises a drying oven, wherein, a plurality of division plates are fixed in the drying oven, the division plates divide the drying oven into a plurality of mutually independent drying chambers, a drying mechanism for conveying hot dry air to the drying chamber is fixed on the outer end surface of one side of the drying oven, a radiating pipe communicated with the drying mechanism is fixed on the inner side wall of the drying chamber close to the drying mechanism, the other inner side wall of the drying chamber is communicated with an exhaust pipe, a protection plate for separating the discrete air pipes is fixed in the drying chamber, a support plate is fixed on the inner side wall of the drying chamber and the protection plate, a support plate for holding pet food is placed on the support plate, a cleaning mechanism for cleaning falling objects is movably connected in the drying chamber, a protective cover is fixed on the rear end surface of the drying oven, a driving mechanism for driving the cleaning mechanism to operate is arranged in the protective cover, an inner sealing door is hinged at the opening part of the drying chamber, an outer sealing door is hinged to the opening of the drying box;

cleaning the mechanism and including scraper blade, two-way lead screw and gag lever post, two-way lead screw rotates to be connected on the back wall of drying chamber, the scraper blade rotates to be connected on two-way lead screw, the gag lever post has two and sets up about two-way lead screw symmetry and fixes on the back wall of drying chamber, scraper blade sliding connection is on the gag lever post, the both ends of two-way lead screw are smooth cylindrical, the one end of two-way lead screw runs through in the back wall of drying chamber extends to the protection casing, two-way lead screw rotates with actuating mechanism in the protection casing and is connected, two-way lead screw runs through the back wall department cover of drying chamber and is equipped with the sealing washer.

Preferably, the drying mechanism includes heating cabinet, air-blower, defeated tuber pipe and communicating pipe, the heating cabinet is fixed at the lateral wall lower extreme of drying cabinet, be provided with electric heater unit in the heating cabinet, the heating cabinet is linked together with defeated tuber pipe, defeated tuber pipe is linked together through the scattered tuber pipe in a plurality of communicating pipes and a plurality of drying chambers, the intercommunication has first solenoid valve on the communicating pipe, the heating cabinet is linked together through air-supply line and air-blower.

Preferably, the air inlet of the blower or the heating box is provided with a filter pad for filtering impurities in the air.

Preferably, the driving mechanism comprises a driving wheel, a belt, a driving wheel and a driving motor, the bidirectional screw rod is fixedly connected with the driving wheel in the protective cover, a first bearing is fixed on the outer end face of the rear wall of the drying chamber, the bidirectional screw rod is in interference connection with the first bearing, a second bearing is fixed on the inner wall of the protective cover, the end portion of the bidirectional screw rod in the protective cover is in interference connection with the second bearing, the driving wheel is fixed on the bidirectional screw rod between the first bearing and the second bearing, the driving motor is fixed at the top end of the drying box, the driving wheel is fixedly connected with an output shaft of the driving motor, and the driving wheels are rotatably connected with the driving wheel through the belt.

Preferably, a pair of third bearings is fixed on the outer end face of the rear wall of the drying chamber between two adjacent first bearings, a pair of fourth bearings opposite to the third bearings is fixed on the protective cover, the third bearings and the third bearings opposite to each other are connected with a connecting shaft in an interference manner, a tensioning wheel is fixed on the connecting shaft, and the belt is arranged between the two tensioning wheels and is rotatably connected with the tensioning wheels.

Preferably, a plurality of exhaust pipes communicated with the drying chamber are communicated with an air collecting pipe, and a second electromagnetic valve is communicated with the exhaust pipes.

Adopt the technical scheme of the utility model can reach following beneficial effect: (1) the drying box is conveniently divided into a plurality of mutually independent drying chambers through the drying box, the partition plate, the inner sealing door and the outer sealing door, so that pet foods of different materials can be dried simultaneously, and normal drying operation of other drying chambers cannot be influenced when the pet foods in one or more drying chambers are taken out through the inner sealing door and the outer sealing door; (2) through the air-radiating pipe, the drying mechanism, the protection plate, the exhaust pipe and the second electromagnetic valve, hot dry air can be conveniently generated by the drying mechanism and can be uniformly radiated to the other side from one side of the drying chamber through the air-radiating pipe, so that the pet food can be dried, air with moisture can be exhausted out of the drying chamber through the exhaust pipe, in addition, whether the hot dry air is introduced into the drying chamber or not is controlled through the first electromagnetic valve in the drying mechanism, the communication state of the exhaust pipe is controlled through the second electromagnetic valve, one or more drying chambers can be controlled when drying operation is not needed, and normal drying work of other drying chambers is not influenced; (3) through the cleaning mechanism and the driving mechanism, after dried pet food is taken out, residues falling from the bottom of the drying chamber can be cleaned through the cleaning mechanism, and the driving mechanism controls the cleaning mechanism to work; the technical scheme of the utility model has extensive application prospect in dry technical field.

Drawings

Fig. 1 is a front view of the drying device for processing pet food containing tenebrio molitor larvae.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is a side sectional view of the drying device for processing pet food containing tenebrio molitor larvae of the present invention.

Fig. 4 is an enlarged view of the region B in fig. 3.

The drying device comprises a drying box 1, a drying box 2, a partition plate 3, a drying chamber 4, a heating box 5, an electric heating device 6, an air inlet pipe 7, a blower 8, an air conveying pipe 9, a communicating pipe 10, a first electromagnetic valve 11, an air dispersing pipe 12, an air dispersing hole 13, an exhaust pipe 14, a second electromagnetic valve 15, an air collecting pipe 16, a protecting plate 17, a supporting plate 18, a supporting plate 19, a limiting block 20, a bidirectional screw rod 21, a scraping plate 22, a limiting rod 23, a through hole 24, a sealing ring 25, a first bearing 26, a protecting cover 27, a second bearing 28, a driving wheel 29, a belt 30, a third bearing 31, a fourth bearing 32, a connecting shaft 33, a tensioning wheel 34, an upper opening 35, a driving motor 36, a driving wheel 37, an inner sealing door 38 and an outer sealing door.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The drying device for processing the pet food containing the tenebrio molitor larvae comprises a drying box 1, wherein a plurality of partition plates 2 are fixed in the drying box 1 in a sealing and welding mode, the partition plates 2 divide the drying box 1 into a plurality of mutually independent drying chambers 3, and therefore the drying device is convenient for drying pet foods of different materials through the plurality of mutually independent drying chambers 3, and the effect of drying the pet foods of different materials is prevented from being influenced by the fact that the pet foods of different materials are placed together. The opening part of drying chamber 3 articulates there is interior door 37 that seals, the opening part of drying cabinet 1 articulates there is outer door 38 that seals, be convenient for seal drying chamber 3 through interior door 37 and seal, prevent that hot dry air from drying chamber 3's opening part from overflowing, and then be convenient for pet food fully dries in drying cabinet 1, and when taking out the pet food in one of them or a plurality of drying chamber 3, can not influence other drying chamber 3 normal drying operation, utilize outer door 38 to carry out the shutoff to the opening of whole drying cabinet 1 simultaneously, and then the secondary protection, avoid hot dry air to overflow. The outer terminal surface of one side of drying cabinet 1 is fixed can dismantle and is connected with the drying mechanism who carries hot dry wind to drying chamber 3, is convenient for produce hot dry wind through drying mechanism to blow into hot dry wind and carry out drying process to pet food in drying chamber 3. Fixed detachable is connected with the tuber pipe 11 that looses that communicates drying mechanism on the inside wall that drying chamber 3 is close to drying mechanism, evenly has seted up scattered wind hole 12 on the tuber pipe 11 that looses, is convenient for evenly distribute hot dry air to drying chamber 3 in through scattered wind pipe 11 and scattered wind hole 12 for the pet food in the drying chamber 3 can the thermally equivalent drying. The other inner side wall of the drying chamber 3 is communicated with an exhaust pipe 13, so that the air with moisture generated by drying the pet food is conveniently exhausted through the exhaust pipe 13. The exhaust pipes 13 communicated with the drying chambers 3 are communicated with air collecting pipes 15, so that air exhausted from each drying chamber 3 can be collected conveniently through the air collecting pipes 15, and further the air can be uniformly exhausted to the outside. The exhaust pipe 13 is communicated with a second electromagnetic valve 14, so that the second electromagnetic valve 14 can control the opening and closing of the exhaust pipe 13, and further when the drying chamber 3 communicated with the exhaust pipe 13 does not need to be dried, the exhaust pipe 13 is closed by the second electromagnetic valve 14, and air exhausted by other exhaust pipes 13 is prevented from entering the drying chamber 3. Can dismantle through screw fixation in the drying chamber 3 and be connected with the guard plate 16 that separates discrete tuber pipe 11, guard plate 16 is the grid plate, is convenient for keep apart scattered tuber pipe 11 through guard plate 16, avoids the staff to contact scattered tuber pipe 11 and causes the scald, utilizes guard plate 16 to avoid the residue that produces in the pet food drying process to fall scattered tuber pipe 11 on simultaneously, is difficult for clearing up. Welding or can dismantle the connection or rivet through the fix with screw on the inside wall of drying chamber 3 and guard plate 16 has backup pad 17, placed the layer board 18 that holds pet food in backup pad 17, layer board 18 is the grid plate, be convenient for support layer board 18 through backup pad 17, and then utilize layer board 18 to hold the pet food that needs drying process, utilize foraminiferous layer board 18 to be convenient for hot dry air to pass layer board 18 from the below of layer board 18 in addition and carry out the drying to the pet food on the layer board 18, drying efficiency is improved. One end of the supporting plate 17, which is far away from the opening of the drying chamber 3, is welded or detachably connected through screw fixation or riveted with a limiting block 19, so that the supporting plate 18 is limited through the limiting block 19, and the supporting plate 18 is prevented from moving towards the inside of the drying chamber 3 too much. Swing joint has the clearance to drop the mechanism that cleans of thing in drying chamber 3, is convenient for strike off the release through cleaning the residue that drops 3 bottoms of drying chamber in with the drying process of mechanism, avoids pet food residue to lose for a long time and grows the bacterium in drying chamber 3, influences pet food's quality. The rear end face of the drying box 1 is detachably connected with a protective cover 26 through screw fixation, a driving mechanism for driving the cleaning mechanism to operate is arranged in the protective cover 26, the driving mechanism is protected through the protective cover 26 conveniently, and meanwhile the driving mechanism is driven to operate.

As shown in fig. 1-4, contain drying device for pet food processing of yellow mealworm larva, clean the mechanism and include scraper blade 21, two-way lead screw 19 and gag lever post 22, two-way lead screw 19 rotates to be connected on the rear wall of drying chamber 3, set up threaded hole on scraper blade 21, scraper blade 21 rotates through the threaded hole and connects on two-way lead screw 19, be convenient for drive scraper blade 21 left reciprocating motion through two-way lead screw 19, and then can push out drying chamber 3 with the residue of drying chamber 3 bottom when needing to clear up, when not needing, can remove the rear end of drying chamber 3, do not influence layer board 18 and place on the backup pad 17 in drying chamber 3. The gag lever post 22 has two and sets up welding or threaded connection about two-way lead screw 19 symmetry and fix on the back wall of drying chamber 3, has seted up spacing slide opening on the scraper blade 21, and scraper blade 21 passes through spacing slide opening sliding connection on gag lever post 22, is convenient for prescribe a limit to scraper blade 21 through two gag lever posts 22 for scraper blade 21 only can remove along two-way lead screw 19 under two-way lead screw 19 drives, and can not rotate, avoids influencing the effect of striking off to the residue. The two ends of the bidirectional screw rod 19 are smooth cylindrical, so that the scraper 21 is convenient to limit, the scraper 21 is prevented from being separated from the bidirectional screw rod 19 under the driving of the bidirectional screw rod 19, and meanwhile, the scraper 21 can be ensured to do reciprocating motion along the bidirectional screw rod 19. One end of the bidirectional screw rod 19 penetrates through the rear wall of the drying chamber 3 and extends into the protective cover 26, and the bidirectional screw rod 19 is rotatably connected with the driving mechanism in the protective cover 26, so that the driving mechanism drives the bidirectional screw rod 19 to rotate, and the bidirectional screw rod 19 drives the scraper 21 to reciprocate. The through hole 23 is formed in the rear wall of the drying chamber 3, the bidirectional screw 19 penetrates through the rear wall of the drying chamber 3 through the through hole 23, the sealing ring 24 is sleeved on the bidirectional screw 19 in the through hole 23, the bidirectional screw 19 is enabled to penetrate through the rear wall of the drying chamber 3 through the through hole 23 conveniently, meanwhile, the rotation of the bidirectional screw 19 is not influenced, the gap between the bidirectional screw 19 and the through hole 23 can be blocked through the sealing ring 24, and the phenomenon that hot and dry air exhausted by the air exhaust pipe 11 enters the protective cover 26 from the through hole 23 to influence the normal operation of the driving mechanism is avoided.

As shown in the fig. 1-4, the drying device for processing the pet food containing the tenebrio molitor larvae comprises a heating box 4, a blower 7, an air conveying pipe 8 and a communicating pipe 9, wherein the heating box 4 is detachably connected to the lower end of the outer side wall of a drying box 1 through screw fixation, so that the heating box 4 is connected with the drying box 1. Be provided with electric heater unit 5 in the heating cabinet 4, electric heater unit 5 can be electric heating wire, also can be electric heating pipe, and electric heater unit 5 and external power source electric connection are convenient for to be circular telegram through electric heater unit 5 and are produced the heat, heat the formation hot-air drier to the air in the heating cabinet 4. The heating box 4 is communicated with the air delivery pipe 8, so that hot dry air generated by the heating box 4 can be conveniently delivered into the air delivery pipe 8. The air delivery pipe 8 is communicated with the air dispersion pipes 11 in the drying chambers 3 through the communicating pipes 9, so that the air dispersion pipes 11 are communicated with the air delivery pipe 8 through the communicating pipes 9, and hot dry air is delivered into the air dispersion pipes to be uniformly dispersed. Communicating pipe 9 is communicated with first solenoid valve 10, so that opening and closing of communicating pipe 9 can be controlled through first solenoid valve 10, and then communicating pipe 9 is closed through first solenoid valve 10 when drying chamber 3 communicated with communicating pipe 9 does not need drying treatment, thereby avoiding waste of heat. The heating box 4 is communicated with the air blower 7 through the air inlet pipe 6, so that the air blower 7 is conveniently communicated with the heating box 4 through the air inlet pipe 6, external normal-temperature air is blown into the heating box 4 through the air blower 7, and the heating box 4 continuously generates hot dry air. The air inlet of the air blower 7 or the heating box 4 is provided with a filter pad for filtering impurities such as dust in the air, so that the air entering the heating box 4 is conveniently filtered through the filter pad, the impurities such as dust in the outside air are prevented from entering the heating box 4, and then the drying effect of the pet food in the drying box 1 is influenced along with the hot dry air entering the drying box 1.

As shown in fig. 1-4, the drying device for processing pet food containing tenebrio molitor larvae comprises a driving mechanism including a driving wheel 28, a belt 29, a driving wheel 36 and a driving motor 35, wherein a bidirectional screw rod 19 is in interference connection with the driving wheel 28 in a protective cover 26, so that the driving wheel 28 and the bidirectional screw rod 19 are connected into a whole, and the bidirectional screw rod 19 is driven to rotate by the rotation of the driving wheel 28. Outer end face welding of the back wall of drying chamber 3 or through the first bearing 25 of screw fixed detachable connection, two-way lead screw 19 interference connection is in first bearing 25, welding or through the second bearing 27 of screw fixed detachable connection on the inner wall of protection casing 26, two-way lead screw 19 is in the second bearing 27 of tip interference connection in protection casing 26, drive wheel 28 is fixed on two-way lead screw 19 between first bearing 25 and second bearing 27, be convenient for can stable support through first bearing 25 and second bearing 27 and prescribe a limit to two-way lead screw 19, make two-way lead screw 19 can be stable link together with heating cabinet 4 and protection casing 26, and do not influence the normal rotation of two-way lead screw 19 through first bearing 25 and second bearing 27. The driving motor 35 is detachably connected to the top end of the drying box 1 through screw fixation, so that the driving motor 35 is connected with the drying box 1 into a whole. The driving wheel 36 is detachably connected and fixedly connected with the output shaft of the driving motor 35 through screw fixation, so that the output shaft of the driving motor 35 rotates to drive the driving wheel 36 to rotate. Upper shed 34 has been seted up on the top of protection casing 26, and a plurality of drive wheels 36 run through upper shed 34 through belt 29 and are connected with drive wheel 36 rotation, are convenient for rotate through drive wheel 36 on the belt 29 and drive a plurality of drive wheels 28 and rotate, and then the two-way lead screw 19 of simultaneous control in a plurality of drying chambers 3 rotates, can clear up the residue of drying chamber 3 bottom simultaneously. The outer terminal surface welding of the back wall of drying chamber 3 between the adjacent first bearing 25 or through the screw fixation detachably connected with a pair of third bearing 30, welding on the protection casing 26 or through the screw fixation detachably connected with a pair of fourth bearing 31 relative with third bearing 30, interference connection has connecting axle 32 on relative third bearing 30 and the third bearing 30, interference connection has take-up pulley 33 on the connecting axle 32, belt 29 rotates between two take-up pulleys 33 and with take-up pulley 33 to be connected, be convenient for take-up belt 29 through take-up pulley 33, make belt 29 can more paste tightly drive wheel 28 and drive wheel 36, and then can be better realize the transmission. The driving wheel 36, the driving wheel 28 and the tension wheel 33 can also be in a gear structure, and the belt 29 can be replaced by a chain belt to realize the transmission effect.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Drying device for pet food processing containing tenebrio molitor larvae comprises a drying oven (1), wherein a plurality of partition plates (2) are fixed in the drying oven (1), the drying oven (1) is divided into a plurality of mutually independent drying chambers (3) by the partition plates (2), a drying mechanism for conveying hot dry air to the drying chambers (3) is fixed on the outer end face of one side of the drying oven (1), a radiating pipe (11) communicated with the drying mechanism is fixed on the inner side wall of each drying chamber (3) close to the drying mechanism, an exhaust pipe (13) is communicated with the other inner side wall of each drying chamber (3), a protection plate (16) separated from the discrete air pipes (11) is fixed in the drying chamber (3), a support plate (17) is fixed on the inner side wall of each drying chamber (3) and the protection plate (16), and a support plate (18) for containing pet food is placed on the support plate (17), a cleaning mechanism for cleaning falling objects is movably connected in the drying chamber (3), a protective cover (26) is fixed on the rear end face of the drying box (1), a driving mechanism for driving the cleaning mechanism to operate is arranged in the protective cover (26), an inner sealing door (37) is hinged at the opening of the drying chamber (3), and an outer sealing door (38) is hinged at the opening of the drying box (1);

cleaning mechanism includes scraper blade (21), two-way lead screw (19) and gag lever post (22), two-way lead screw (19) rotate to be connected on the back wall of drying chamber (3), scraper blade (21) rotate to be connected on two-way lead screw (19), gag lever post (22) have two and fix on the back wall of drying chamber (3) about two-way lead screw (19) symmetry setting, scraper blade (21) sliding connection is on gag lever post (22), the both ends of two-way lead screw (19) are smooth cylindrical, the one end of two-way lead screw (19) runs through the back wall of drying chamber (3) and extends to in protection casing (26), two-way lead screw (19) rotate with actuating mechanism in protection casing (26) and are connected, two-way lead screw (19) run through the back wall department cover of drying chamber (3) and are equipped with sealing washer (24).

2. The drying device for processing the pet food containing the tenebrio molitor larvae, according to claim 1, comprises a heating box (4), a blower (7), an air conveying pipe (8) and a communicating pipe (9), wherein the heating box (4) is fixed at the lower end of the outer side wall of the drying box (1), an electric heating device (5) is arranged in the heating box (4), the heating box (4) is communicated with the air conveying pipe (8), the air conveying pipe (8) is communicated with air dispersing pipes (11) in a plurality of drying chambers (3) through a plurality of communicating pipes (9), a first electromagnetic valve (10) is communicated on the communicating pipe (9), and the heating box (4) is communicated with the blower (7) through an air inlet pipe (6).

3. The drying device for processing pet food containing tenebrio molitor larvae according to claim 2, wherein the air inlet of the blower (7) or the heating box (4) is provided with a filter pad for filtering impurities in the air.

4. The drying device for processing the pet food containing the tenebrio molitor larvae, according to claim 1, wherein the driving mechanism comprises a driving wheel (28), a belt (29), a driving wheel (36) and a driving motor (35), the bidirectional screw rod (19) is fixedly connected with the driving wheel (28) in a protective cover (26), a first bearing (25) is fixed on the outer end face of the rear wall of the drying chamber (3), the bidirectional screw rod (19) is in interference connection with the first bearing (25), a second bearing (27) is fixed on the inner wall of the protective cover (26), the end of the bidirectional screw rod (19) in the protective cover (26) is in interference connection with the second bearing (27), the driving wheel (28) is fixed on the bidirectional screw rod (19) between the first bearing (25) and the second bearing (27), and the driving motor (35) is fixed at the top end of the drying chamber (1), the driving wheels (36) are fixedly connected with an output shaft of the driving motor (35), and the driving wheels (36) are rotatably connected with the driving wheels (36) through belts (29).

5. The drying device for processing pet food containing tenebrio molitor larvae according to claim 4, wherein a pair of third bearings (30) are fixed to the outer end face of the rear wall of the drying chamber (3) between two adjacent first bearings (25), a pair of fourth bearings (31) opposite to the third bearings (30) are fixed to the protective cover (26), a connecting shaft (32) is connected to the opposite third bearings (30) and the opposite third bearings (30) in an interference manner, a tensioning wheel (33) is fixed to the connecting shaft (32), and the belt (29) is rotatably connected to the tensioning wheel (33) between the two tensioning wheels (33).

6. The drying device for processing pet food containing tenebrio molitor larvae according to claim 1, wherein a plurality of exhaust pipes (13) communicated with the drying chamber (3) are communicated with an air collecting pipe (15), and a second electromagnetic valve (14) is communicated with the exhaust pipes (13).