CN109717758B

CN109717758B - Full-automatic electric barbecue oven

Info

Publication number: CN109717758B
Application number: CN201910196168.7A
Authority: CN
Inventors: 刘铁枫; 郝金梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2021-12-03
Anticipated expiration: 2039-03-15
Also published as: CN109717758A

Abstract

The utility model provides a full-automatic electric barbecue stove, includes barbecue grill part, spills material part, roast cluster rotating part, its characterized in that: the lower part of a screw rod bracket of the material scattering part is fixedly connected with the upper part of a supporting angle iron of the barbecue grill part; the second spline of the barbecue string rotating part is meshed with the first spline of the barbecue grill part, and the left surface of the gear mounting plate is fixedly connected with the right surface of the barbecue grill body; the kebab that will wear during the barbecue is installed in inserting cluster hole board department, will insert cluster hole board by electric putter and push away the left side and make the spline hookup, and first step motor drives whole inserting cluster hole board normal running fit oil brush and carries out the brushing oil, and the electric putter shrink inserts the end of all kebabs in the kebab axis of rotation after the brushing oil is accomplished, and the independent rotatory baking of every kebab is pushed out again at the appropriate time and is evenly spilt the condiments, continues to bake cooked, convenient and fast.

Description

Full-automatic electric barbecue oven

Technical Field

The invention relates to the technical field of food processing, in particular to a full-automatic electric barbecue oven.

Background

With the improvement of the living standard of people, the diet trend is diversified, especially in hot summer, the barbecue is more popular, however, the barbecue process is a more tedious process, and depends on the baking level of an operator to a great extent, for example, the problems of uneven seasoning coating, uneven heating in the barbecue baking process, no baking and the like directly influence the taste of the barbecue, so that a full-automatic electric barbecue oven is urgently needed.

Disclosure of Invention

Aiming at the problems, the invention provides a full-automatic electric barbecue oven, which is characterized in that firstly, a penetrated barbecue string is arranged in string inserting holes of a first string inserting hole plate and a second string inserting hole plate, the barbecue string is pushed to the left side by an electric push rod to enable a first spline and a second spline to be connected, a first stepping motor drives the whole string inserting hole plate to rotate, meanwhile, an oil brush is matched to perform oil brushing on each barbecue string through a sliding block in a reciprocating sliding mode on a screw rod, after the oil brushing is completed, the electric push rod is contracted to insert the tail end of each barbecue string into a barbecue string rotating shaft at a corresponding position, each barbecue string is independently rotated and baked, the barbecue string is pushed to the left side of a barbecue grill part at a proper time to be equal to the oil brushing operation, then seasoning is uniformly scattered, the barbecue grill is continuously baked to be cooked, the whole baking process is completed, the process of manually turning over the barbecue string and brushing seasoning is omitted, and the barbecue grill is sanitary, convenient and fast.

The technical scheme adopted by the invention is as follows: the utility model provides a full-automatic electric barbecue stove, includes barbecue grill part, spills material part, roast cluster rotating part, its characterized in that: the lower part of a screw rod bracket of the material scattering part is fixedly connected with the upper part of a supporting angle iron of the barbecue grill part; the second spline of the barbecue string rotating part is meshed with the first spline of the barbecue grill part, and the left surface of the gear mounting plate is fixedly connected with the right surface of the barbecue grill body;

the barbecue grill part comprises a first motor bracket, a first stepping motor, a supporting angle iron, a first spline, a barbecue grill body and an electric heating tube, wherein the supporting angle iron is an L-shaped plate, the middle of the left surface of the supporting angle iron is provided with the first motor bracket, and the lower surface of the supporting angle iron is provided with two supporting frames; the first stepping motor is horizontally arranged, the side surface of the first stepping motor is fixedly arranged on the first motor bracket, and a motor shaft of the first stepping motor penetrates through a round hole in the left side of the supporting angle iron to be fixedly connected with the first spline; the oven body of the barbecue oven is a hollow cylinder, an electric heating pipe is arranged in the barbecue oven body, two support frames are arranged below the barbecue oven body, and the support frame close to the left side is fixedly connected with the right side of the support angle iron;

the seasoning scattering part comprises a second motor bracket, a second stepping motor, a screw rod bracket, a sliding block, two first optical axes, a screw rod, a second seasoning container, a seasoning container fixing bracket, a first seasoning container, a first connecting rod, a seasoning leakage net, a two-position three-way electromagnetic valve, a second connecting rod, an eccentric wheel, a first direct current motor, an edible oil container fixing bracket, a single-way electromagnetic valve, an oil outlet pipe and an oil brush, wherein the screw rod bracket is a C-shaped plate, and the left surface of the screw rod bracket is provided with the second motor bracket; the second stepping motor is horizontally arranged, the side surface of the second stepping motor is fixedly arranged on the second motor bracket, and a motor shaft of the second stepping motor penetrates through a round hole in the left surface of the screw rod bracket to be fixedly connected with the screw rod; the right end of the screw rod is rotatably arranged in a round hole on the right side of the screw rod bracket; the left end and the right end of each first optical axis are respectively and fixedly arranged in circular holes on the left surface and the right surface of the screw rod bracket; round holes on the front side and the rear side of the sliding block are respectively installed on the two first optical axes in a sliding mode, and a middle round hole is connected with the screw rod in a rotating mode; the front of the seasoning container fixing bracket is fixedly arranged at the rear of the sliding block, a first seasoning container is arranged on the upper side of the front of the seasoning container fixing bracket, and a second seasoning container is arranged on the upper side of the front of the seasoning container fixing bracket; the lower part of the second seasoning container is fixedly connected with a two-position three-way electromagnetic valve through a hose; the lower part of the first seasoning container is fixedly connected with a two-position three-way electromagnetic valve through a hose; the upper end of the first connecting rod is hinged in a round hole at the back of the seasoning container fixing bracket, and the lower end of the first connecting rod is hinged with the outer side surface of the seasoning leakage net; the position of the seasoning leakage net is arranged at the lower side of an output pipe of the two-position three-way electromagnetic valve; the first direct current motor is horizontally arranged, the side surface of the first direct current motor is fixedly arranged on the supporting plate on the seasoning container fixing support, and a motor shaft of the first direct current motor penetrates through a round hole of the supporting plate on the seasoning container fixing support to be rotatably connected with the eccentric wheel; the upper end of the second connecting rod is fixedly arranged on the eccentric wheel, and the lower end of the second connecting rod is rotatably arranged on a connecting rod, the lower end of the first connecting rod is hinged with the seasoning sieve; the back of the edible oil container fixing bracket is fixedly arranged in front of the sliding block, and an edible oil container is arranged on the back of the edible oil container fixing bracket; the lower part of the edible oil container is fixedly connected with the upper end of the one-way electromagnetic valve through a hard conduit; the lower end of the single-way electromagnetic valve is fixedly connected with the oil brush through an oil outlet pipe;

the barbecue string rotating part comprises a third motor bracket, a second direct current motor, a protective shell, eight driven straight gears, a driving straight gear, a second direct current motor output shaft, a gear mounting plate, eight barbecue string rotating shafts, an electric push rod, a first string inserting hole plate, a second string inserting hole plate, sixteen string inserting holes, a second spline and four first string inserting hole plate supporting columns, wherein the protective shell is a hollow uncovered cylinder, and the right side of the protective shell is provided with the third motor bracket; the second direct current motor is horizontally arranged, the side surface of the second direct current motor is fixedly arranged on the third motor bracket, and a motor shaft of the second direct current motor passes through a round hole in the right of the second direct current motor and is fixedly connected with the driving straight gear; the right side of the gear mounting plate is fixedly arranged on the left side of the protective shell; the eight skewer rotating shafts are respectively and rotatably arranged in a round hole on the left side of the gear mounting plate, and the right ends of the eight skewer rotating shafts are respectively and fixedly connected with the eight driven straight gears; the eight driven straight gears are respectively meshed with the driving straight gear; the right end of the electric push rod is fixedly connected with the left surface of the gear mounting plate, and the left end of the electric push rod is fixedly connected with the first inserting and stringing hole plate; the right side of the second inserting and stringing hole plate is fixedly connected with the left side of the first inserting and stringing hole plate through four first inserting and stringing hole plate supporting columns in a rectangular array, and the right side of the second inserting and stringing hole plate is provided with a second spline; eight string inserting holes are formed in the right side of the first string inserting hole plate, and the positions of the eight string inserting holes are in one-to-one correspondence with the eight string baking rotating shafts respectively; eight string inserting holes are formed in the right side of the second string inserting hole plate, and the positions of the eight string inserting holes are in one-to-one correspondence with the eight string baking rotating shafts respectively;

the invention has the beneficial effects that: in the baking process, each skewer can rotate, so that the skewers are uniformly heated in an oven and are easy to bake, and the baked skewers have good taste; secondly, the invention also realizes the automatic oil brushing and seasoning scattering operations of the kebab, and is sanitary, convenient and quick.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Figure 2 is a schematic view of the grill portion of the present invention.

Fig. 3 and 4 are schematic structural views of the material spreading part of the present invention.

Fig. 5 and 6 are schematic structural views of the rotary part of the kebab of the present invention.

Reference numerals: 1-barbecue grill part, 2-material scattering part, 3-barbecue string rotating part, 101-first motor bracket, 102-first stepping motor, 103-supporting angle iron, 104-first spline, 105-barbecue grill body, 106-electric heating tube, 201-second motor bracket, 202-second stepping motor, 203-lead screw bracket, 204-slide block, 205-first optical axis, 206-lead screw, 207-second seasoning container, 208-seasoning container fixing bracket, 209-first seasoning container, 210-first connecting rod, 211-seasoning leakage net, 212-two-position three-way electromagnetic valve, 213-second connecting rod, 214-eccentric wheel, 215-first direct current motor, 216-edible oil container, 217-edible oil container fixing bracket, 218-single-way electromagnetic valve, 219-oil outlet pipe, 220-oil brush, 301-third motor bracket, 302-second direct current motor, 303-protective shell, 304-driven spur gear, 305-driving spur gear, 306-second direct current motor output shaft, 307-gear mounting plate, 308-roasting string rotating shaft, 309-electric push rod, 310-first inserting string pore plate, 311-second inserting string pore plate, 312-inserting string pore plate, 313-second spline and 314-first inserting string pore plate support column.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Embodiment as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, a fully automatic electric barbecue grill comprises a grill part 1, a material spreading part 2, and a skewer rotating part 3, and is characterized in that: the lower part of a screw rod bracket 203 of the material spreading part 2 is fixedly connected with the upper part of a supporting angle iron 103 of the barbecue grill part 1; the second spline 313 of the skewer rotating part 3 is meshed with the first spline 104 of the barbecue grill part 1, and the left side of the gear mounting plate 307 is fixedly connected with the right side of the barbecue grill body 105;

the barbecue grill part 1 comprises a first motor bracket 101, a first stepping motor 102, a supporting angle iron 103, a first spline 104, a barbecue grill body 105 and an electric heating pipe 106, wherein the supporting angle iron 103 is an L-shaped plate, the first motor bracket 101 is arranged in the middle of the left surface of the supporting angle iron 103, and two supporting frames are arranged below the supporting angle iron; the first stepping motor 102 is horizontally arranged, the side surface of the first stepping motor is fixedly arranged on the first motor bracket 101, and a motor shaft of the first stepping motor passes through a round hole on the left surface of the supporting angle iron 103 and is fixedly connected with the first spline 104; the oven body 105 of the barbecue oven is a hollow cylinder, an electric heating pipe 106 is arranged in the oven body, two support frames are arranged below the oven body, and the support frame close to the left side is fixedly connected with the right side of the support angle iron 103;

the seasoning scattering part 2 comprises a second motor bracket 201, a second stepping motor 202, a lead screw bracket 203, a sliding block 204, two first optical axes 205, a lead screw 206, a seasoning container 207, a seasoning container fixing bracket 208, a seasoning container 209, a first connecting rod 210, a seasoning leakage net 211, a two-position three-way electromagnetic valve 212, a second connecting rod 213, an eccentric wheel 214, a first direct current motor 215, an edible oil container 216, an edible oil container fixing bracket 217, a one-way electromagnetic valve 218, an oil outlet pipe 219 and an oil brush 220, wherein the lead screw bracket 203 is a C-shaped plate, and the second motor bracket 201 is arranged on the left surface of the lead screw bracket 203; the second stepping motor 202 is horizontally arranged, the side surface of the second stepping motor is fixedly arranged on the second motor bracket 201, and a motor shaft of the second stepping motor passes through a round hole on the left surface of the screw rod bracket 203 and is fixedly connected with the screw rod 206; the right end of the screw rod 206 is rotatably arranged in a circular hole on the right side of the screw rod bracket 203; the left end and the right end of each of the two first optical axes 205 are respectively and fixedly arranged in circular holes on the left surface and the right surface of the screw rod bracket 203; round holes on the front side and the rear side of the sliding block 204 are respectively arranged on the two first optical axes 205 in a sliding manner, and a middle round hole is rotationally connected with the screw rod 206; the front of the seasoning container fixing bracket 208 is fixedly arranged at the rear of the sliding block 204, a first seasoning container 209 is arranged on the upper side of the front, and a second seasoning container 207 is arranged on the upper side of the front; the lower part of the second seasoning container 207 is fixedly connected with a two-position three-way electromagnetic valve 212 through a hose; the lower part of the first seasoning container 209 is fixedly connected with a two-position three-way electromagnetic valve 212 through a hose; the upper end of the first connecting rod 210 is hinged in a round hole at the back of the seasoning container fixing bracket 208, and the lower end of the first connecting rod is hinged with the outer side surface of the seasoning leakage net 211; the position of the seasoning leakage net 211 is arranged at the lower side of the output pipe of the two-position three-way electromagnetic valve 212; the first direct current motor 215 is horizontally arranged, the side surface of the first direct current motor is fixedly arranged on the supporting plate above the seasoning container fixing bracket 208, and the motor shaft of the first direct current motor passes through a round hole of the supporting plate above the seasoning container fixing bracket 208 and is rotatably connected with the eccentric wheel 214; the upper end of the second connecting rod 213 is fixedly arranged on the eccentric wheel 214, and the lower end thereof is rotatably arranged on the connecting rod hinged with the seasoning leakage net 211 at the lower end of the first connecting rod 210; the back of the edible oil container fixing bracket 217 is fixedly arranged in front of the sliding block 204, and an edible oil container 216 is arranged on the upper surface of the edible oil container fixing bracket 217; the lower part of the edible oil container 216 is fixedly connected with the upper end of the one-way solenoid valve 218 through a hard conduit; the lower end of the one-way electromagnetic valve 218 is fixedly connected with an oil brush 220 through an oil outlet pipe 219;

the skewering rotating part 3 comprises a third motor bracket 301, a second direct current motor 302, a protective shell 303, eight driven spur gears 304, a driving spur gear 305, a second direct current motor output shaft 306, a gear mounting plate 307, eight skewering rotating shafts 308, an electric push rod 309, a first skewering hole plate 310, a second skewering hole plate 311, sixteen skewering holes 312, a second spline 313 and four first skewering hole plate supporting columns 314, wherein the protective shell 303 is a hollow uncovered cylinder, and the third motor bracket 301 is arranged on the right side of the protective shell 303; the second direct current motor 302 is horizontally arranged, the side surface of the second direct current motor 302 is fixedly arranged on the third motor bracket 301, and a motor shaft of the second direct current motor 302 passes through a circular hole in the right surface of the second direct current motor 302 and is fixedly connected with the driving straight gear 305; the right side of the gear mounting plate 307 is fixedly mounted on the left side of the protective shell 303; the eight skewering rotating shafts 308 are respectively rotatably arranged in a circular hole at the left side of the gear mounting plate 307, and the right ends of the eight skewering rotating shafts are respectively fixedly connected with the eight driven spur gears 304; the eight driven spur gears 304 are respectively meshed with the driving spur gear 305; the right end of the electric push rod 309 is fixedly connected with the left surface of the gear mounting plate 307, and the left end of the electric push rod is fixedly connected with the first inserting and stringing hole plate 310; the right side of the second serial hole inserting plate 311 is fixedly connected with the left side of the first serial hole inserting plate 310 through four first serial hole inserting plate supporting columns 314 in a rectangular array, and the right side of the second serial hole inserting plate is provided with a second spline 313; eight string inserting holes 312 are formed in the right side of the first string inserting hole plate 310, and the positions of the eight string inserting holes 312 correspond to the eight string baking rotating shafts 308 one by one respectively; eight string inserting holes 312 are formed in the right side of the second string inserting hole plate 311, and the positions of the eight string inserting holes 312 correspond to the eight string baking rotating shafts 308 one by one respectively.

The working principle of the invention is as follows: when the barbecue grill is used, firstly, the well-penetrated barbecue strings are arranged in the string inserting holes of the first string inserting hole plate 310 and the second string inserting hole plate 311, then, the barbecue strings are pushed to the left side through the extension of the electric push rod 309 to enable the first spline 104 to be connected with the second spline 313, then, the first stepping motor 102 rotates to drive the whole string inserting hole plate to rotate, meanwhile, the oil brush 220 is matched to brush oil on the lead screw 206 through the reciprocating sliding of the slide block 204, after the oil brushing is finished, the electric push rod 309 contracts to enable the tail end of each barbecue string to be respectively inserted into the barbecue string rotating shafts 308 at the corresponding positions, the second direct current motor 302 rotates to drive the barbecue string rotating shafts 308 to enable each barbecue string to be singly rotated and roasted, the appropriate time is pushed to the left side of the barbecue grill part to be equal to the oil brushing operation, then, seasoning is uniformly loaded, and the barbecue grill is continuously roasted to be cooked, and the whole roasting process is finished.

Claims

1. The utility model provides a full-automatic electric barbecue stove, includes barbecue portion (1), spills material part (2), roast cluster rotating part (3), its characterized in that: the lower part of a screw rod bracket (203) of the material spreading part (2) is fixedly connected with the upper part of a supporting angle iron (103) of the barbecue grill part (1); the second spline (313) of the barbecue string rotating part (3) is meshed with the first spline (104) of the barbecue grill part (1), and the left surface of the gear mounting plate (307) is fixedly connected with the right surface of the barbecue grill body (105);

the barbecue grill part (1) comprises a first motor support (101), a first stepping motor (102), a supporting angle iron (103), a first spline (104), a barbecue grill body (105) and an electric heating pipe (106), wherein the supporting angle iron (103) is an L-shaped plate, the middle of the left surface of the supporting angle iron is provided with the first motor support (101), and the lower surface of the supporting angle iron is provided with two supporting frames; the first stepping motor (102) is horizontally arranged, the side surface of the first stepping motor is fixedly arranged on the first motor bracket (101), and a motor shaft of the first stepping motor penetrates through a round hole in the left surface of the supporting angle iron (103) and is fixedly connected with the first spline (104); the oven body (105) of the barbecue oven is a hollow cylinder, an electric heating pipe (106) is arranged in the barbecue oven body, two support frames are arranged below the barbecue oven body, and the support frame close to the left side is fixedly connected with the right side of the support angle iron (103);

the seasoning scattering part (2) comprises a second motor support (201), a second stepping motor (202), a lead screw support (203), a sliding block (204), two first optical axes (205), a lead screw (206), a second seasoning container (207), a seasoning container fixing support (208), a first seasoning container (209), a first connecting rod (210), a seasoning leakage net (211), a two-position three-way electromagnetic valve (212), a second connecting rod (213), an eccentric wheel (214), a first direct current motor (215), an edible oil container (216), an edible oil container fixing support (217), a one-way electromagnetic valve (218), an oil outlet pipe (219) and an oil brush (220), wherein the lead screw support (203) is a C-shaped plate, and the second motor support (201) is arranged on the left surface of the lead screw support; the second stepping motor (202) is horizontally arranged, the side surface of the second stepping motor is fixedly arranged on the second motor bracket (201), and a motor shaft of the second stepping motor passes through a round hole in the left surface of the screw rod bracket (203) and is fixedly connected with the screw rod (206); the right end of the screw rod (206) is rotatably arranged in a round hole on the right side of the screw rod bracket (203); the left end and the right end of each first optical axis (205) are respectively and fixedly arranged in circular holes on the left surface and the right surface of the screw rod bracket (203); round holes on the front side and the rear side of the sliding block (204) are respectively installed on the two first optical axes (205) in a sliding mode, and a middle round hole is rotatably connected with the screw rod (206); the front of the seasoning container fixing bracket (208) is fixedly arranged at the rear of the sliding block (204), a first seasoning container (209) is arranged on the upper side of the front, and a second seasoning container (207) is arranged on the upper side of the front; the lower part of the second seasoning container (207) is fixedly connected with a two-position three-way electromagnetic valve (212) through a hose; the lower part of the first seasoning container (209) is fixedly connected with a two-position three-way electromagnetic valve (212) through a hose; the upper end of the first connecting rod (210) is hinged in a round hole at the back of the seasoning container fixing support (208), and the lower end of the first connecting rod is hinged with the outer side surface of the seasoning leakage net (211); the position of the seasoning leakage net (211) is arranged at the lower side of an output pipe of the two-position three-way electromagnetic valve (212); the first direct current motor (215) is horizontally arranged, the side surface of the first direct current motor is fixedly arranged on the supporting plate on the seasoning container fixing bracket (208), and the motor shaft of the first direct current motor passes through a round hole of the supporting plate on the seasoning container fixing bracket (208) and is rotatably connected with the eccentric wheel (214); the upper end of the second connecting rod (213) is fixedly arranged on the eccentric wheel (214), and the lower end of the second connecting rod is rotatably arranged on a connecting rod which is hinged with the seasoning leakage net (211) and is arranged at the lower end of the first connecting rod (210); the back of the edible oil container fixing bracket (217) is fixedly arranged in front of the sliding block (204), and an edible oil container (216) is arranged on the upper surface of the edible oil container fixing bracket; the lower part of the edible oil container (216) is fixedly connected with the upper end of the one-way electromagnetic valve (218) through a hard conduit; the lower end of the one-way electromagnetic valve (218) is fixedly connected with an oil brush (220) through an oil outlet pipe (219);

the barbecue string rotating part (3) comprises a third motor support (301), a second direct current motor (302), a protective shell (303), eight driven straight gears (304), a driving straight gear (305), a second direct current motor output shaft (306), a gear mounting plate (307), eight barbecue string rotating shafts (308), an electric push rod (309), a first string inserting hole plate (310), a second string inserting hole plate (311), sixteen string inserting holes (312), a second spline (313) and four first string inserting hole plate supporting columns (314), wherein the protective shell (303) is a hollow uncovered cylinder, and the right side of the protective shell is provided with the third motor support (301); the second direct current motor (302) is horizontally arranged, the side surface of the second direct current motor is fixedly arranged on the third motor bracket (301), and a motor shaft of the second direct current motor passes through a round hole in the right surface of the second direct current motor (302) and is fixedly connected with the driving straight gear (305); the right side of the gear mounting plate (307) is fixedly mounted on the left side of the protective shell (303); the eight skewer rotating shafts (308) are respectively and rotatably arranged in a round hole on the left side of the gear mounting plate (307), and the right ends of the eight skewer rotating shafts are respectively and fixedly connected with the eight driven straight gears (304); the eight driven spur gears (304) are respectively meshed with the driving spur gear (305); the right end of the electric push rod (309) is fixedly connected with the left surface of the gear mounting plate (307), and the left end of the electric push rod is fixedly connected with the first inserting and stringing hole plate (310); the right side of the second inserting and stringing hole plate (311) is fixedly connected with the left side of the first inserting and stringing hole plate (310) through four first inserting and stringing hole plate supporting columns (314) in a rectangular array, and the right side of the second inserting and stringing hole plate is provided with a second spline (313); eight string inserting holes (312) are formed in the right side of the first string inserting hole plate (310), and the positions of the eight string inserting holes (312) are respectively in one-to-one correspondence with the eight string baking rotating shafts (308); eight string inserting holes (312) are formed in the right side of the second string inserting hole plate (311), and the positions of the eight string inserting holes (312) are respectively in one-to-one correspondence with the eight string baking rotating shafts (308);

when in use, firstly, the penetrated roasting strings are arranged in the string inserting holes of a first string inserting hole plate (310) and a second string inserting hole plate (311), the roasting strings are pushed to the left side through the extension of an electric push rod (309) to enable a first spline (104) and a second spline (313) to be connected, then the whole string inserting hole plate is driven to rotate through the rotation of a first stepping motor (102), an oil brush (220) is matched to brush oil on each roasting string through the reciprocating sliding of a sliding block (204) on a screw rod (206), after the oil brushing is finished, the electric push rod (309) is contracted to respectively insert the tail end of each roasting string on a roasting string rotating shaft (308) at the corresponding position, the second direct current motor (302) rotates to drive the roasting string rotating shaft (308), each roasting string rotates independently, the proper time is pushed to the left side of a roasting rack part to be equal to the oil brushing operation, then the seasoning is uniformly spread and baked, and the roasting is continued to be cooked, the whole roasting process is completed.