CN215638573U - Heated air circulation oven convenient to get blowing - Google Patents

Abstract

The application relates to a hot air circulation oven convenient for taking and placing materials, which comprises an oven body, a drying cavity arranged in the oven body and a rotary article placing mechanism arranged in the drying cavity in a sliding manner, wherein the rotary article placing mechanism comprises a rotating assembly, a driving assembly for driving the rotating assembly, a supporting assembly for supporting the rotating assembly and a plurality of article placing trays detachably arranged on the rotating assembly, the rotating assembly comprises a rotating shaft and two rotating plates which are respectively penetrated through two ends of the rotating shaft and fixedly connected with the rotating shaft, a plurality of rotating rods are symmetrically and fixedly arranged on the two rotating plates, fixedly connected with keeps away from between the one end of rotor plate and the parallel connecting rod of axis of rotation for two dwangs that correspond, and the connecting rod both ends are rotated respectively and are connected with two pull rods, and two pull rods that are located connecting rod both ends and homonymy keep away from fixedly connected with layer board between the one end of connecting rod, put the thing tray and slide and connect on two layer boards that correspond. This application has and to put the thing tray position respectively by the adjustment, the workman of being convenient for gets the advantage of blowing.

Description

Heated air circulation oven convenient to get blowing

Technical Field

The application relates to the field of heated air circulation ovens, in particular to a heated air circulation oven convenient for taking and placing materials.

Background

Heated air circulation oven is the equipment of the dry material commonly used, and heated air circulation oven includes oven body, and oven body is including providing the heating system, air supply circulation system, heat preservation system, temperature control system, dry chamber etc. of heat, and oven body has seted up a plurality of air outlets in dry chamber department. The hot air circulation oven also comprises a storage mechanism arranged in the drying cavity of the hot air circulation oven and a storage tray arranged on the storage mechanism and used for containing the dry materials. However, the storage trays of the existing hot air circulation oven are arranged on the drying vehicle from top to bottom in sequence and placed statically, and the positions of the storage trays cannot be adjusted as required, so that a worker often bends over or squats continuously when taking and placing dry materials, and the working strength of the worker for taking and placing the dry materials is increased.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the adjustment respectively put the position of thing tray to make things convenient for the workman to put into or take out the stoving material, this application provides a heated air circulation oven convenient to get the blowing, adopts following technical scheme:

a heated air circulation oven convenient for taking and placing materials comprises an oven body, a drying cavity arranged in the oven body, and a rotary article placing mechanism which is slidably arranged in the drying cavity, wherein the rotary article placing mechanism comprises a rotary assembly, a support assembly used for supporting the rotary assembly and arranged below the rotary assembly, and a plurality of article placing trays detachably arranged on the rotary assembly, the rotary assembly comprises a rotary shaft and two rotary plates which are respectively arranged at two ends of the rotary shaft in a penetrating way and fixedly connected with the rotary shaft, a plurality of rotary rods are symmetrically and fixedly arranged on the two rotary plates, a connecting rod which is parallel to the rotary shaft is fixedly connected between one ends of the two rotary rods which are in one-to-one correspondence and far away from the rotary plates, two pull rods are respectively and rotatably connected with two pull rods, a supporting plate is fixedly connected between one ends of the two pull rods which are positioned at two ends of the connecting rod and at the same side and far away from the connecting rod, and the number of the article placing trays is multiple, and it is a plurality of put thing tray and a plurality of dwang one-to-one, it slides and connects on two layer boards that correspond to put the thing tray, install in the axis of rotation and be used for driving its pivoted drive assembly.

Through adopting above-mentioned technical scheme, the runner assembly can bear and put the rotation of thing tray, when the workman got the blowing, can make the runner assembly rotate through drive assembly for put the thing tray and rotate to the height of being convenient for get and put, thereby need not often squat down when making the workman get the blowing, reduced the working strength that the workman got the blowing.

Optionally, the article holding tray is a square with an opening at the top end and a hollow inside, a plurality of holes are formed in the bottom wall of the article holding tray, grooves matched with the article holding tray are formed in two opposite side faces of the two corresponding support plates, and the article holding tray is located in the grooves.

Through adopting above-mentioned technical scheme, put the thing tray and install in the recess of layer board, convenient to detach or installation puts the thing tray diapire simultaneously and sets up a plurality of trompils and be convenient for ventilate for the material can be more abundant receive hot-blast, thereby accelerate the drying rate of material.

Optionally, the support assembly includes two fixed pipes respectively rotatably connected to two ends of the rotating shaft, the two rotating plates are located between the two fixed pipes, two first support rods are respectively fixedly arranged on the peripheries of the fixed pipes, one ends of the first support rods, which are far away from the rotating shaft, are inclined downward and towards the directions far away from each other, and second support rods are fixedly arranged between the ends, which are fixedly connected to the two first support rods of the same fixed pipe, which are far away from the rotating shaft.

Through adopting above-mentioned technical scheme, the support rotating assembly that the supporting component can stabilize for rotating assembly can rotate on the supporting component of stabilizing.

Optionally, the driving assembly includes a first gear coaxially fixed at one end of the rotating shaft, a second gear engaged with the first gear, a connecting shaft coaxially fixed with the second gear, a third gear coaxially fixed at one end of the connecting shaft away from the second gear, a fourth gear engaged with the third gear, and a driving rod coaxially fixed with the fourth gear, the first gear, the second gear, the third gear and the fourth gear are all bevel gears, the connecting shaft is arranged in the vertical direction, and one end of the connecting shaft close to the third gear is rotatably connected to the top surface of the second supporting rod, a second fixed rod is fixedly connected between the two first supporting rods close to the driving assembly, the second dead lever is located between second bracing piece and the axis of rotation, the connecting axle is worn to establish and is rotated and connect on the second dead lever, the actuating lever level sets up, just the actuating lever rotates to be connected on the second bracing piece.

Through adopting above-mentioned technical scheme, can rotate the runner assembly through rotating the actuating lever to the position of each thing tray is put in the adjustment, and the workman of being convenient for gets the blowing.

Optionally, the actuating lever level sets up, the one end fixedly connected with of connecting axle is kept away from to the actuating lever connects the horizontal pole, it is L shape to connect the horizontal pole, and connects the horizontal pole and keep away from the one end rotation of actuating lever and be connected with the pedal cover.

Through adopting above-mentioned technical scheme, thereby can rotate the footboard cover through the foot under the workman state of standing and rotate the actuating lever for the runner assembly rotates, thereby adjusts each position of putting the thing tray, makes workman need not often squat down, and the workman of being convenient for gets the blowing.

Optionally, the rotary article placing mechanism is installed in the drying cavity through a sliding assembly, the sliding assembly comprises pulleys symmetrically installed at two ends of the two third supporting rods and sliding rails fixedly arranged on the bottom surface of the drying cavity and matched with the pulleys, and the sliding rails are U-shaped.

Through adopting above-mentioned technical scheme, the pulley can be in slide rail reciprocating motion, is convenient for rotate put the thing mechanism and put into the drying chamber or take out from the drying chamber to the workman of being convenient for gets the blowing.

Optionally, one end of the slide rail, which is close to the opening in the oven body, is hinged with a movable slide rail, the movable slide rail includes a first movable rail hinged on the slide rail, and the first movable rail is U-shaped.

Through adopting above-mentioned technical scheme, when putting into the drying chamber or taking out from the drying chamber from will rotating the thing mechanism, keep away from the one end of slide rail with first removal rail to the direction slope that is close to oven body bottom surface, the pulley can remove smoothly to ground in the slide rail is to first removal rail in, or removes smoothly to the slide rail from ground through first removal rail in, is convenient for will rotate and put the thing mechanism and steadily take out or put into from the drying chamber.

Optionally, one end of the first moving rail, which is far away from the sliding rail, is fixedly connected with a second moving rail, the second moving rail is U-shaped, and one end of the second moving rail, which is far away from the first moving rail, is inclined towards the bottom surface of the oven body.

Through adopting above-mentioned technical scheme, when putting into or taking out to rotate and put the thing mechanism, rotate and put the thing mechanism and can remove rail, first removal rail, slide rail steadily through the second in proper order and remove to the drying intracavity, or remove the rail through slide rail, first removal rail, second in proper order and steadily take out from the drying intracavity, it is more convenient when setting up the second and removing the rail and can make to rotate and put the thing mechanism and take out or put into from the drying intracavity.

Optionally, the slide rail lateral wall articulates there is the fixed arm, the fixed arm is kept away from its one end fixedly connected with fixed hook with the articulated department of slide rail, the second removes the rail side and sets firmly the fixed block with fixed hook looks adaptation, when first removal rail diapire is perpendicular with the slide rail diapire, the fixed hook can overlap and locate the fixed block periphery to fixed removal slide rail.

Through adopting above-mentioned technical scheme, when rotating to put thing mechanism and being located dry material of drying chamber, can pass through fixed hook and fixed block, the position of fixed movable slide rail for first movable rail can closely contradict to rotate and put thing mechanism, prevents to rotate to put thing mechanism and remove to the direction that is close to the chamber door in the slide rail.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the rotary material placing mechanism, workers can control the driving assembly through feet in a standing state, so that the rotary assembly rotates, the position of the material placing tray is adjusted, the workers can conveniently take and place materials, the squatting frequency of the workers is reduced, and the working strength of the workers during taking and placing the materials is reduced;

2. through setting up the subassembly that slides, not only be convenient for take out or put into the rotation and put thing mechanism, reduce the workman and get the working strength of blowing, simultaneously when dry material, the movable slide rail can restrict to rotate and put thing mechanism and remove to the direction that is close to the chamber door for it is more firm to rotate to put thing mechanism.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of the rotating placement mechanism and the sliding assembly.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a baking oven body; 2. a drying chamber; 3. a rotary article placing mechanism; 31. a rotating assembly; 311. a rotating shaft; 312. a rotating plate; 313. rotating the rod; 314. a connecting rod; 315. rotating the tube; 316. a pull rod; 317. a support plate; 3171. a groove; 318. a first fixing lever; 32. a storage tray; 33. a support assembly; 331. a fixed tube; 332. a first support bar; 333. a second support bar; 334. a third support bar; 34. a drive assembly; 341. a first gear; 342. a second fixing bar; 343. a connecting shaft; 344. a second gear; 345. a third gear; 346. a support block; 347. a drive rod; 3471. connecting the cross bars; 348. a fourth gear; 349. a pedal cover; 3491. a pedal; 3492. an arc-shaped sleeve; 4. a slipping component; 41. a support; 411. a strut; 412. a fixing plate; 42. a rotating shaft; 43. a pulley; 44. a slide rail; 441. connecting the bottom plate; 442. a fixed arm; 443. a fixed hook; 45. moving the slide rail; 451. a first moving rail; 4511. a connecting arm; 452. a second moving rail; 4521. a fixed block; 4522. a limiting plate; 5. and (4) a box door.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses heated air circulation oven convenient to get blowing. Referring to fig. 1, the heated air circulation oven convenient for taking and placing materials comprises an oven body 1, a square drying cavity 2 arranged in the oven body 1, a rotary article placing mechanism 3 arranged in the drying cavity 2, a sliding assembly 4 arranged between the rotary article placing mechanism 3 and the drying cavity 2, and a door 5 hinged to the oven body 1 at the drying cavity 2.

Referring to fig. 1, the oven body 1 is square. The box door 5 is arranged in a square plate shape, and the box door 5 can completely cover the opening of the oven body 1 at the drying cavity 2.

Referring to fig. 1 and 2, the rotatable storage mechanism 3 includes a rotating assembly 31, a storage tray 32 detachably mounted on the rotating assembly 31, a supporting assembly 33 for supporting the rotating assembly 31, and a driving assembly 34 disposed between the supporting assembly 33 and the rotating assembly 31.

Referring to fig. 2, the rotating assembly 31 includes a rotating shaft 311, the rotating shaft 311 is parallel to the bottom surface of the drying chamber 2, two ends of the rotating shaft 311 are respectively penetrated and fixedly connected with rotating plates 312, and the rotating plates 312 are circular plates. The two rotating plates 312 are respectively and uniformly and symmetrically fixedly provided with a plurality of rotating rods 313, the rotating rods 313 are respectively positioned on the same plane with the rotating plates 312 fixedly connected with the rotating rods 313, and the rotating rods 313 are arranged along the radial direction of the rotating plates 312. A connecting rod 314 is fixedly arranged between the ends of the two rotating rods 313 far away from the rotating shaft 311, and the connecting rod 314 is arranged in parallel with the rotating shaft 311. The two ends of the connecting rod 314 are respectively penetrated and rotatably connected with a rotating tube 315. Two pull rods 316 are fixedly arranged on the periphery of the rotating tube 315, and one ends of the two pull rods 316 far away from the rotating tube 315 are respectively inclined downwards and towards the directions far away from each other. Two pull rods 316 at two ends of the connecting rod 314 and at the same side are fixedly provided with supporting plates 317 between ends far away from the connecting rod 314, the supporting plates 317 are square plates, and the supporting plates 317 are arranged along the length direction of the rotating shaft 311. The bottom surfaces of the two ends of the corresponding two supporting plates 317 are respectively and fixedly provided with a first fixing rod 318.

Referring to fig. 2, the plurality of storage trays 32 are provided, and the plurality of storage trays 32 and the plurality of connecting rods 314 correspond to each other one by one. The storage tray 32 is a square with an opening at the top end and a hollow interior, and a plurality of holes are uniformly formed in the bottom wall of the storage tray 32. Two opposite side surfaces of the two corresponding support plates 317 are provided with grooves 3171 matched with the storage tray 32, and the grooves 3171 are arranged along the length direction of the support plates 317. The storage tray 32 is located in the groove 3171, and the storage tray 32 reciprocates along the direction in which the groove 3171 is provided.

Referring to fig. 2, the supporting assembly 33 includes two fixed tubes 331 respectively sleeved on the peripheries of the two ends of the rotating shaft 311 and rotatably connected thereto, and two rotating plates 312 are disposed between the two fixed tubes 331. Two first support rods 332 are fixedly arranged on the periphery of the fixed tube 331 downwards and towards the direction far away from the rotating shaft 311, and a second support rod 333 is fixedly arranged between the ends, far away from the rotating shaft 311, of the two first support rods 332. A third support bar 334 is fixedly arranged between the ends of the two first support bars 332 on the same side of the rotating shaft 311 far away from the rotating shaft 311, and the third support bar 334 is perpendicular to the second support bar 333.

Referring to fig. 2, the driving assembly 34 includes a first gear 341 penetrating through one end of the rotating shaft 311 and coaxially and fixedly connected with the rotating shaft, the first gear 341 is a bevel gear, and the first gear 341 is located between the fixed tube 331 and the rotating plate 312. A second fixing rod 342 is fixedly connected between the two first supporting rods 332 adjacent to the first gear 341, and the second fixing rod 342 is positioned between the second supporting rod 333 and the rotating shaft 311. The middle of the second fixing rod 342 is penetrated and rotatably connected with a connecting shaft 343, and the connecting shaft 343 is arranged along the vertical direction. A second gear 344 is coaxially and fixedly arranged at one end of the connecting shaft 343 close to the first gear 341, the second gear 344 is a bevel gear, and the second gear 344 is meshed with the first gear 341. One end of the rotation shaft 311 remote from the second gear 344 is rotatably coupled to the second support rod 333. The third gear 345 is coaxially and fixedly disposed on the rotating shaft 311 above the second supporting rod 333, and the third gear 345 is a bevel gear. The top surface of the second support rod 333 is fixedly provided with a support block 346, and the support block 346 is square. The top of the supporting block 346 is penetrated and rotatably connected with a driving rod 347, and the driving rod 347 is vertical to the connecting shaft 343. And a fourth gear 348 is coaxially and fixedly connected to one end of the driving rod 347 near the third gear 345, and the fourth gear 348 is a bevel gear. The fourth gear 348 meshes with the third gear 345. The end of the driving rod 347 far from the connecting shaft 343 is fixedly connected with a connecting cross bar 3471, the connecting cross bar 3471 is L-shaped, and the end of the connecting cross bar 3471 far from the driving rod 347 is rotatably connected with a pedal sleeve 349. The pedal sleeve 349 includes a pedal 3491 pivotally coupled to the connecting cross-bar 3471. The pedal 3491 is disposed in parallel with the second support rod 333. An arc-shaped sleeve 3492 is fixedly connected to the top surface of the pedal 3491, and a gap for accommodating the foot is formed between the arc-shaped sleeve 3492 and the pedal 3491.

Referring to fig. 2 and 3, the rotary storage mechanism 3 is connected in the drying chamber 2 in a sliding manner through the sliding assembly 4. The sliding assembly 4 includes two brackets 41 fixedly connected to two ends of the third support rod 334, a rotating shaft 42 rotatably connected to the brackets 41, and a pulley 43 fixedly connected to the rotating shaft 42. The bracket 41 includes a supporting rod 411 fixedly connected to the third supporting rod 334, a fixing plate 412 is fixedly connected to a bottom surface of the supporting rod 411, and the fixing plate 412 is a U-shaped plate with a downward opening. The pulley 43 is located between two parallel side walls of the fixed plate 412. The sliding assembly 4 further comprises a sliding rail 44 fixedly arranged on the bottom surface of the drying chamber 2, and the sliding rail 44 is parallel to the rotating shaft 311. The slide rail 44 is in a U shape with an upward opening, and the pulley 43 is located in the slide rail 44 and reciprocates along the longitudinal direction of the slide rail 44. One end of the slide rail 44 close to the door 5 is hinged with a movable slide rail 45.

Referring to fig. 3, the movable slide rail 45 includes a first movable rail 451 hinged to the slide rail 44, and the first movable rail 451 has a U-shape. The bottom wall of one end of the slide rail 44 close to the first movable rail 451 extends to fixedly arrange a connecting bottom plate 441, the connecting bottom plate 441 is a square plate, and the bottom surface of the connecting bottom plate 441 tightly abuts against the bottom surface of the drying chamber 2. Two side walls of one end of the first moving rail 451 close to the sliding rail 44 are fixedly extended with connecting arms 4511, and the two connecting arms 4511 are respectively hinged to two side surfaces of the connecting bottom plate 441, so that the first moving rail 451 can rotate around a shaft at the hinged position of the connecting arms 4511 and the connecting bottom plate 441. The end of the first moving rail 451 away from the slide rail 44 is fixedly connected with a second moving rail 452. The second moving rail 452 has a U-shape. And the bottom wall of the second moving rail 452 is not on the same plane as the bottom wall of the first moving rail 451. When the first moving rail 451 is perpendicular to the slide rail 44, an end of the bottom wall of the first moving rail 451, which is far away from the first moving rail 451, is inclined toward a direction far away from the slide rail 44, so that when a bottom surface of an end of the first moving rail 451, which is far away from the slide rail 44, is tightly abutted against the ground, a bottom surface of the second moving rail 452 is tightly abutted against the ground.

Referring to fig. 3, two outer lateral surfaces of one end of the slide rail 44 close to the first moving rail 451 are respectively hinged with a fixed arm 442, one end of the fixed arm 442 away from the hinged position with the first moving rail 451 is fixedly connected with a fixed hook 443, and the fixed hook 443 is in an arc shape bending towards the bottom surface of the drying chamber 2. Two outer side surfaces of the second moving rail 452 are respectively and fixedly provided with a fixing block 4521 matched with the fixing hook 443, and the fixing block 4521 is cylindrical. And a limiting plate 4522 is fixedly connected to the side of the fixing block 4521 away from the second movement. The limit plate 4522 is a circular plate. When the first movable rail 451 is in a vertical state, the fixing hook 443 can be sleeved on the periphery of the fixing block 4521, so as to fix the position of the movable slide rail 45.

The implementation principle of the heated air circulation oven convenient for taking and placing materials in the embodiment of the application is as follows: when the materials are required to be placed for drying, the materials are respectively placed into the placing trays 32. Then the pedal 3491 is stepped on by foot and is inserted into the arc-shaped sleeve 3492, the driving rod 347 is rotated, and when the pallets 317 are respectively in proper positions, the storage tray 32 filled with materials is placed into the groove 3171 of each pallet 317. Then, the fixing hook 443 and the fixing arm 442 are removed from the fixing block 4521. The movable rail 45 is rotated so that the bottom surface of the second movable rail 452 closely abuts against the ground. The rotary storage mechanism 3 is pushed to move the pulley 43 of the rotary storage mechanism 3 in the second movable rail 452, the first movable rail 451 and the slide rail 44 in sequence, so that the rotary storage mechanism 3 is put into the drying chamber 2. Then, the movable sliding rail 45 is rotated, so that the bottom wall of the first movable rail 451 is perpendicular to the bottom wall of the sliding rail 44, the fixing hook 443 is sleeved on the periphery of the fixing block 4521, so as to fix the position of the movable sliding rail 45, and meanwhile, the movable sliding rail 45 can fix the rotatable object placing mechanism 3, so that the rotatable object placing mechanism 3 cannot move towards the movable sliding rail 45 in the sliding rail 44. Finally, the box door 5 is closed to dry the materials.

When the material is dried, the door 5 is opened. The fixing hook 443 is removed from the fixing block 4521. The bottom surface of the second movable rail 452 is tightly abutted against the ground. The pulley 43 sequentially rotates to pass through the slide rail 44, the first moving rail 451, and the second moving rail 452, and the rotary storage mechanism 3 is taken out and then the material is taken out. The pedal 3491 is stepped on by a foot and is inserted into the arc-shaped sleeve 3492, the driving rod 347 is rotated, and when the storage tray 32 is at a position convenient for taking out, the storage tray 32 is taken down.

The heated air circulation oven convenient to get the blowing of this application can put the height of tray 32 through rotation actuating lever 347 control each. The worker does not need to frequently squat when taking and placing the materials, and the working strength of the worker when taking and placing the materials is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a heated air circulation oven convenient to get blowing, includes oven body (1), sets up drying chamber (2) in oven body (1), its characterized in that: still including sliding and installing rotation in dry chamber (2) and put thing mechanism (3), it puts thing mechanism (3) including rotating assembly (31) to rotate, be used for supporting rotating assembly (31) and set up in supporting component (33) of its below, a plurality of demountable installation put thing tray (32) on rotating assembly (31), rotating assembly (31) are including axis of rotation (311), two are worn to locate axis of rotation (311) both ends respectively and rather than fixed connection's rotor plate (312), two equal symmetry has set firmly a plurality of dwangs (313) on rotor plate (312), and fixed connection has connecting rod (314) parallel with axis of rotation (311) between the one end of rotor plate (312) is kept away from in two dwangs (313) of one-to-one, connecting rod (314) both ends are rotated respectively and are connected with two pull rods (316), and two pull rods (316) that are located connecting rod (314) both ends and homonymy keep away from between the one end of connecting rod (314) fixedly connected with layer board (317) ) The number of putting thing tray (32) is a plurality of, and is a plurality of put thing tray (32) and a plurality of dwang (313) one-to-one, it slides and connects on two corresponding layer boards (317) to put thing tray (32), install on axis of rotation (311) and be used for driving its pivoted drive assembly (34).

2. The hot air circulation oven convenient for taking and placing materials as claimed in claim 1, is characterized in that: the storage tray (32) is a square with an opening at the top end and a hollow interior, a plurality of holes are formed in the bottom wall of the storage tray (32), grooves (3171) matched with the storage tray (32) are formed in two opposite side faces of the two corresponding supporting plates (317), and the storage tray (32) is located in the grooves (3171).

3. The hot air circulation oven convenient for taking and placing materials as claimed in claim 1, is characterized in that: support component (33) are including rotating two fixed pipes (331) of connecting in axis of rotation (311) both ends respectively, two rotor plate (312) are located between two fixed pipes (331), fixed pipe (331) periphery has set firmly two first bracing pieces (332) respectively, first bracing piece (332) keep away from the one end of axis of rotation (311) downwards and to the direction slope of keeping away from each other, and fixed connection has set firmly second bracing piece (333) between the one end of keeping away from axis of rotation (311) in two first bracing pieces (332) of same fixed pipe (331).

4. The hot air circulation oven convenient for taking and placing materials as claimed in claim 3, is characterized in that: the driving assembly (34) comprises a first gear (341) coaxially and fixedly arranged at one end of the rotating shaft (311), a second gear (344) meshed with the first gear (341), a connecting shaft (343) coaxially and fixedly arranged with the second gear (344), a third gear (345) coaxially and fixedly arranged at one end, far away from the second gear (344), of the connecting shaft (343), a fourth gear (348) meshed with the third gear (345), and a driving rod (347) coaxially and fixedly arranged with the fourth gear (348), wherein the first gear (341), the second gear (344), the third gear (345) and the fourth gear (348) are all bevel gears, the connecting shaft (343) is vertically arranged, one end, close to the third gear (345), of the connecting shaft (343) is rotatably connected to the second supporting rod (333), a second fixing rod (342) is fixedly connected between two first supporting rods (332) close to the driving assembly (34), the second fixing rod (342) is located between the second supporting rod (333) and the rotating shaft (311), the connecting shaft (343) penetrates through and is rotatably connected to the second fixing rod (342), the driving rod (347) is horizontally arranged, and the driving rod (347) is rotatably connected to the second supporting rod (333).

5. The hot air circulation oven convenient for taking and placing materials as claimed in claim 4, is characterized in that: the driving rod (347) is horizontally arranged, one end, far away from the connecting shaft (343), of the driving rod (347) is fixedly connected with a connecting cross rod (3471), the connecting cross rod (3471) is L-shaped, and one end, far away from the driving rod (347), of the connecting cross rod (3471) is rotatably connected with a pedal sleeve (349).

6. The hot air circulation oven convenient for taking and placing materials as claimed in claim 5, is characterized in that: rotate and put thing mechanism (3) and install in dry chamber (2) through subassembly (4) that slides, subassembly (4) that slides including the symmetry install in pulley (43) at two third bracing pieces (334) both ends, set firmly slide rail (44) with pulley (43) looks adaptation on dry chamber (2) bottom surface, slide rail (44) are the U-shaped.

7. The hot air circulation oven convenient for taking and placing materials as claimed in claim 6, is characterized in that: one end, close to the upper opening of the oven body (1), of the sliding rail (44) is hinged with a movable sliding rail (45), the movable sliding rail (45) comprises a first movable rail (451) hinged to the sliding rail (44), and the first movable rail (451) is U-shaped.

8. The hot air circulation oven convenient for taking and placing materials as claimed in claim 7, is characterized in that: one end, far away from the sliding rail (44), of the first moving rail (451) is fixedly connected with a second moving rail (452), the second moving rail (452) is U-shaped, and one end, far away from the first moving rail (451), of the second moving rail (452) inclines towards the direction towards the bottom surface of the oven body (1).

9. The hot air circulation oven convenient for taking and placing materials as claimed in claim 8, is characterized in that: slide rail (44) lateral wall articulates there is fixed arm (442), one end fixedly connected with fixed hook (443) that fixed arm (442) kept away from its and slide rail (44) articulated department, second removal rail (452) side sets firmly fixed block (4521) with fixed hook (443) looks adaptation.

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