CN212065502U

CN212065502U - Hot air rotary furnace

Info

Publication number: CN212065502U
Application number: CN202020623379.2U
Authority: CN
Inventors: 任常东; 袁胜川; 邹文君
Original assignee: Shaanxi Haolilai Food Co ltd
Current assignee: Shaanxi Haolilai Food Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-04
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a hot air rotary furnace relates to food production technical field. The technical key points are as follows: the induction cooker comprises a cooker bod, locate the driving motor in the furnace body outside, a heating mechanism for heating the furnace body, be equipped with the mount in the furnace body, the mount includes the vertical backup pad of locating the furnace body bottom and being parallel to each other, be equipped with the guide way of U-shaped in the backup pad, be equipped with rotatory gridion in the furnace body, rotatory gridion includes the support frame, the support frame bottom is equipped with the truckle, support frame upper end level is equipped with the gib block that matches with the guide way, horizontal rotation is connected with the I-shaped wheel frame between the gib block, I-shaped wheel frame a week both sides edge is connected with a plurality of horizontal poles, it is connected with the hanging scaffold to rotate on the horizontal pole, the rotation axis one end of I-shaped wheel stretches out. The utility model has the advantages of prevent that the overware landing from the gridion from causing danger, the effectual equipment security that has improved.

Description

Hot air rotary furnace

Technical Field

The utility model relates to a food production technical field, more specifically say, it relates to a hot-blast rotary furnace.

Background

The rotary furnace is a medium-sized baking device which heats a heating chamber by utilizing various different energy sources, and hot air is fed into a hearth through a heat exchanger and a fan so as to bake food in the furnace. Because it is heated by hot air, it is also called: the hot air rotary furnace is usually required to be assisted by hot air in the baking operation of food, can well meet the baking operation, is suitable for the production of large-scale products, and can be used for baking bread, various foods such as meat and seafood for drying and the like.

The Chinese utility model patent with the publication number of CN209677196U discloses a hot air rotary furnace, which comprises a furnace body, a rotary frame rotationally connected with the furnace body and positioned in the furnace body, a driving mechanism for driving the rotary frame to rotate, an air draft mechanism communicated with the interior of the furnace body, and a heating mechanism for heating the furnace body, wherein one side of the furnace body is hinged with a furnace door; the rotary frame comprises a cross rod rotatably connected with the top end of the furnace body, oblique rods fixed at two ends of the cross rod, and a rotary table fixed at the lower end of the oblique rods and rotatably connected with the bottom wall of the furnace body, two guide plates arranged in parallel are fixed in the middle of the rotary table, the guide plates are perpendicular to the bottom wall of the furnace body, and guide grooves are formed between the guide plates; a gridion is placed in the furnace body, casters are installed at the lower end of the gridion, a baking tray is placed on the gridion, and a guide strip matched with the guide groove is fixed at the lower end of the gridion.

The above prior art solution has the following drawbacks: the baking tray is directly placed on the baking rack, and after baking is finished, because the temperatures of the baking rack and the baking tray are higher, when the baking rack is moved out of the furnace door, the baking rack is easy to incline, so that the baking tray slides off the baking rack to scald or injure workers.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a hot-blast rotary furnace, it has when the gridion slope, prevents that the overware from leading to the fact danger, the effectual advantage that improves equipment security from gridion landing to the staff.

The above object of the present invention can be achieved by the following technical solutions:

a hot air rotary furnace comprises a furnace body, a driving motor arranged outside the furnace body and a heating mechanism used for heating the furnace body, wherein a furnace door is arranged on one side of the furnace body, a fixed frame is arranged in the furnace body and comprises a supporting plate vertically arranged at the bottom of the furnace body and parallel to each other, a U-shaped guide groove is horizontally arranged on the supporting plate, a rotary grill is arranged in the furnace body and comprises a supporting frame, trundles are arranged at the bottom of the supporting frame, two mutually parallel guide strips matched with the guide grooves are horizontally arranged at the upper end of the supporting frame, a spool frame is horizontally and rotatably connected between the two guide strips, a plurality of cross rods are connected with the edges of two sides of the spool frame in a circle, hanging trays are rotatably connected on the cross rods, baking trays are arranged in the hanging trays, one end of a rotating shaft of the spool extends out of the guide strips, an output shaft of the driving motor extends into the furnace body, a driving tooth is arranged at the end part of the output shaft, and the driven tooth is meshed with the driving tooth.

By adopting the technical scheme, before baking food cakes, the cakes are uniformly placed in the baking tray, the baking tray is placed on the hanging plate, then the rotary grill is pushed into the furnace body, the supporting plate is provided with the guide groove, the guide strip is arranged on the rotary grill, when the rotary grill is pushed into the furnace body, the guide strip moves into the furnace body along the guide groove, so that the driven teeth and the driving teeth are meshed for transmission, the heating mechanism heats the furnace body, the driving motor drives the driving teeth to rotate, the driving teeth drive the driven teeth to rotate, the driven teeth drive the I-shaped wheel frame to rotate, the hanging plate rotates around the cross rod, so as to bake the cakes, after baking is finished, the furnace door is opened to push the rotary grill out of the furnace body, and as the hanging plate is hinged with the cross rod, when the rotary grill is inclined in the pushing-out process, the hanging plate is always kept horizontal, so that the baking tray is prevented from sliding off the rotary grill to cause danger to workers, the safety of the equipment is effectively improved.

The utility model discloses further set up to: the guide way is internally provided with a limiting assembly, the limiting assembly comprises a guide way groove wall and an opening facing a limiting groove in the guide way, a clamping head is arranged in the limiting groove, the bottom of the limiting groove is provided with an ordering mechanism, the clamping head is far away from a spring of the limiting groove, the clamping head is close to the outer side of the limiting groove and is in an inclined shape, one side of the bottom of the limiting groove is provided with a pull rod perpendicular to the clamping head, the end part of the pull rod extends out of the top of the supporting plate, and the pull rod is provided with a limiting ring.

Through adopting above-mentioned technical scheme, set up spacing subassembly in the guide way, when pushing rotatory gridiron in the furnace body, the gib block when removing in the guide way, when the gib block tip butt to the inclined plane of dop, the gib block orders about the dop along spacing groove upward movement, make the dop retract back to the spacing inslot, after the gib block entered into the guide way completely, the dop makes dop lateral wall and gib block tip butt because the spring orders about and stretches out the spacing inslot, prevent that the gib block from removing in the guide way.

The utility model discloses further set up to: the heating mechanism comprises a heating chamber arranged on one side of the furnace body, a heater is arranged in the middle of the heating chamber, an air supply outlet is formed in the upper end of the heating chamber and communicated with the inside of the furnace body, an air return inlet is formed in the lower end of the heating chamber and communicated with the furnace body, and an air feeder is arranged at the air supply outlet.

Through adopting above-mentioned technical scheme, when needing to toast the cake, start the heater in the heating chamber, with the air heating in the heating chamber, at the forced draught blower of air supply opening department through the heating chamber upper end setting, toast the cake in sending hot-blast furnace body to, the hot-blast air that enters into in the furnace body enters into the heating chamber through the return air inlet through the furnace body for hot-blast formation good circulation system between heating chamber and furnace body, constantly heating through the heater, effectively improved hot-blast utilization efficiency.

The utility model discloses further set up to: the air return inlet is located the furnace body bottom is equipped with the return air passageway, the return air passageway is kept away from heating chamber one end is equipped with the inlet scoop, inlet scoop department is equipped with the return air board.

Through adopting above-mentioned technical scheme, through setting up the return air passageway in the furnace body bottom for hot-blast when entering into the furnace body, the inlet scoop from keeping away from return air inlet one side in the furnace body enters into the return air passageway, enters into in the heating chamber, and then flows the hot-blast direction in the furnace body, makes hot-blast complete circulation channel of formation in the furnace body, makes more even that toasts the cake.

The utility model discloses further set up to: the hanging scaffold is of a net structure, and guard rails are arranged on one side of the hanging scaffold.

Through adopting above-mentioned technical scheme, set up the hanging scaffold and be latticed for when the overware was placed and is toasted the cake on the hanging scaffold, can carry out the total heating to the overware and toast, thereby further improve the efficiency of toasting to the cake, set up the rail guard on the hanging scaffold, conveniently place the overware.

The utility model discloses further set up to: the oil smoke exhaust pipe is arranged at the top of the furnace body, one side of the oil smoke exhaust pipe is arranged in a bending mode, and a filter screen is arranged at the outlet of the oil smoke exhaust pipe.

Through adopting above-mentioned technical scheme, through set up the oil smoke blast pipe at the furnace body top, when opening the furnace gate, can discharge hot-blast through the oil smoke blast pipe earlier, prevent that steam from pounding on the face and causing the injury or influence staff normal operating to the staff, be equipped with the filter screen in oil smoke blast pipe department, prevent that foreign matters such as dust in the air from getting into in the oil smoke blast pipe.

The utility model discloses further set up to: sealing rubber strips are arranged around the furnace door, and a heat-insulating plate is arranged on the inner wall of the furnace body.

Through adopting above-mentioned technical scheme, through set up joint strip on the furnace gate, seal the furnace gate for the furnace body forms relative sealed space, reduces calorific loss, through setting up the heat preservation backplate, keeps warm in the furnace body, further reduces calorific loss, thereby further improves the efficiency of toasting to the cake.

The utility model discloses further set up to: the furnace door is provided with an observation window, and the observation window is provided with antifogging glass.

Through adopting above-mentioned technical scheme, through setting up the observation window, staff's accessible observation window observes the inside behavior of furnace body, owing to toast the cake, can form water smoke sometimes, can prevent to form water smoke on the antifog glass and influence staff's normal observation.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the cake is placed in the hanging plate on the I-shaped wheel frame through the I-shaped wheel frame arranged in the oven body, when the rotary grill is inclined in the pushing-out process, the hanging plate is always kept horizontal, the baking tray is prevented from sliding off the rotary grill to cause danger to workers, and the equipment safety is effectively improved;

(2) the limiting assembly is arranged to prevent the guide strip from moving in the guide groove when the spool frame rotates, and the arranged heating mechanism enables hot air to form a good circulating system in the furnace body, so that the utilization efficiency of the hot air is effectively improved;

(3) through setting up the platform sling and being network structure, make hot-blast just toast completely to the overware and improve the efficiency of toasting, through setting up the oil smoke blast pipe, when the furnace gate is opened to needs, can be earlier with the steam discharge in the furnace body, through setting up antifog glass on setting up the observation window, make things convenient for the staff to observe the condition of toasting in the furnace body.

Drawings

FIG. 1 is a schematic view of a hot blast rotary furnace;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is an enlarged partial schematic view of portion C of FIG. 3;

fig. 5 is a partially enlarged schematic view of a portion D in fig. 2.

Reference numerals: 1. a furnace body; 2. a drive motor; 3. a heating mechanism; 4. a furnace door; 5. a fixed mount; 6. a support plate; 7. a guide groove; 8. rotating the grill; 9. a driven tooth; 10. a drive tooth; 11. a limiting component; 12. an air return channel; 13. an air suction opening; 14. a return air plate; 15. protecting the fence; 16. a lampblack exhaust pipe; 17. filtering with a screen; 18. sealing rubber strips; 19. a heat preservation prevention plate; 20. an observation window; 21. antifogging glass; 31. a heating chamber; 32. a heater; 33. an air supply outlet; 34. an air return opening; 35. a blower; 81. a support frame; 82. a caster wheel; 83. a guide strip; 84. a spool carrier; 85. a cross bar; 86. a hanging scaffold; 87. baking trays; 111. a limiting groove; 112. clamping a head; 113. a spring; 114. a pull rod; 115. a limit ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, for the utility model discloses a hot air rotary furnace, which comprises a furnace body 1, a driving motor 2 arranged outside the furnace body 1, and a heating mechanism 3 for heating the furnace body 1 to heat the interior of the furnace body 1, a furnace door 4 is arranged on one side of the furnace body 1, a fixed frame 5 is arranged in the furnace body 1, the fixed frame 5 comprises a support plate 6 vertically arranged at the bottom of the furnace body 1 and parallel to each other, a U-shaped guide groove 7 is horizontally arranged on the support plate 6, a rotary grill 8 is arranged in the furnace body 1, the rotary grill 8 comprises a support frame 81, casters 82 are arranged at the bottom of the support frame 81, two mutually parallel guide bars 83 matched with the guide groove 7 are horizontally arranged at the upper end of the support frame 81, a spool frame 84 is horizontally and rotatably connected between the two guide bars 83, a plurality of cross bars 85 are connected at the edges of, a baking tray 87 is placed in the hanging tray 86, referring to fig. 4, one end of a rotating shaft of the spool extends out of the guide strip 83, the end part of the rotating shaft is provided with a driven tooth 9, an output shaft of the driving motor 2 extends into the furnace body 1, the end part of the driving motor is provided with a driving tooth 10, and the driven tooth 9 is meshed with the driving tooth 10; the heating mechanism 3 heats the interior of the oven body 1, the driving motor 2 drives the driving teeth 10 to rotate, the driving teeth 10 drive the driven teeth 9 to rotate, the driven teeth 9 drive the I-shaped wheel carrier 84 to rotate, so that the hanging plate 86 rotates around the cross rod 85, and cakes in the baking tray 87 are baked.

In order to prevent the guide bar 83 from being fixed in the guide groove 7, referring to fig. 5, a limiting component 11 is arranged in the guide groove 7, the limiting component 11 comprises a limiting groove 111 which is arranged on the groove wall of the guide groove 7 and has an opening facing the guide groove 7, a chuck 112 is arranged in the limiting groove 111, a spring 113 for driving the chuck 112 to be far away from the limiting groove 111 is arranged at the bottom of the limiting groove 111, the chuck 112 is inclined near the outer side of the limiting groove 111, a pull rod 114 is vertically arranged at one side of the chuck 112 near the bottom of the limiting groove 111, the end of the pull rod 114 extends out of the top of the support plate 6; when the guide strip 83 moves into the guide groove 7, when the end of the guide strip 83 abuts against the inclined surface of the chuck 112, the guide strip 83 drives the chuck 112 to move upwards along the limiting groove 111, so that the chuck 112 retracts into the limiting groove 111, and after the guide strip 83 completely enters the guide groove 7, the chuck 112 drives the spring 113 to extend out of the limiting groove 111, so that the side wall of the chuck 112 abuts against the end of the guide strip 83.

Referring to fig. 2 and 3, the heating mechanism 3 includes a heating chamber 31 disposed at one side of the furnace body 1, a heater 32 is disposed in the middle of the heating chamber 31 for heating air in the heating chamber 31, an air supply outlet 33 is disposed at the upper end of the heating chamber 31 and communicated with the inside of the furnace body 1, an air return outlet 34 is disposed at the lower end of the heating chamber 31 and communicated with the furnace body 1, and an air supply blower 35 is disposed at the air supply outlet 33; the heater 32 heats the air in the heating chamber 31, the blower 35 passing through the blower outlet 33 arranged at the upper end of the heating chamber 31 sends hot air into the oven body 1 to bake the cakes, and the hot air entering the oven body 1 enters the heating chamber 31 through the oven body 1 through the air return port 34; the air return inlet 34 is positioned at the bottom of the furnace body 1 and is provided with an air return channel 12, one end of the air return channel 12, which is far away from the heating chamber 31, is provided with an air suction inlet 13, and the air suction inlet 13 is provided with an air return plate 14; when hot air enters the furnace body 1, the hot air enters the air return channel 12 from the air suction opening 13 on the side far away from the air return opening 34 in the furnace body 1, and then the hot air in the furnace body 1 flows in a guiding manner in the heating chamber 31, so that the hot air forms a complete circulation channel in the furnace body 1, and the cake baking is more uniform.

In order to completely heat and bake the baking tray 87 and further improve the baking efficiency of the pastry, the hanging tray 86 is of a net structure (not shown in the figure), and in order to conveniently place the baking tray 87, referring to fig. 2, a guard rail 15 is arranged on the periphery of the hanging tray 86; referring to fig. 3, the top of the furnace body 1 is provided with an oil smoke exhaust pipe 16, one side of the oil smoke exhaust pipe 16 is bent, when the furnace door 4 needs to be opened, hot air can be exhausted through the oil smoke exhaust pipe 16, the hot air is prevented from hurting workers or influencing the normal operation of the workers, a filter screen 17 is arranged at the outlet of the oil smoke exhaust pipe 16, and foreign matters such as dust in the air are prevented from entering the oil smoke exhaust pipe 16.

Referring to fig. 1, sealing rubber strips 18 are arranged around a furnace door 4 to seal the furnace door 4, so that the furnace body 1 forms a relatively sealed space, heat loss is reduced, a heat preservation and prevention plate 19 is arranged on the inner wall of the furnace body 1 to preserve heat in the furnace body 1, further reduce heat loss, an observation window 20 is arranged on the furnace door 4, antifogging glass 21 is arranged on the observation window 20, a worker can observe the working condition inside the furnace body 1 through the observation window 20, and when cakes are baked, the antifogging glass 21 can be prevented from forming water mist to influence normal observation of the worker.

The implementation principle of the embodiment is as follows: before baking the cakes, the cakes are uniformly placed on the baking tray 87, the baking tray 87 is placed on the hanging plate 86, the rotary baking frame 8 is pushed to the fixing frame 5 in the furnace body 1, and the guide strip 83 is fixed in the guide groove 7 through the limiting component 11. The heater 32 heats the air in the heating chamber 31, the blower 35 sends hot air into the oven body 1, the driving motor 2 drives the driving teeth 10 to rotate, the driving teeth 10 drive the driven teeth 9 to drive the I-shaped wheel carrier 84 to rotate, and therefore the cake on the baking tray 87 is baked in a rotating mode, and the heating uniformity of the cake is guaranteed. After baking is finished, before the furnace door 4 is opened, hot air in the furnace body 1 is firstly exhausted through the lampblack exhaust pipe 16, then the furnace door 4 is opened, the upward pulling pull rod 114 is opened to open the limiting component 11, the rotary grill 8 is pushed out from the furnace body 1, when the rotary grill 8 is pushed out, the rotary grill 8 inclines, the hanging tray 86 is always kept horizontal due to the fact that the hanging tray 86 is hinged with the cross rod 85, the baking tray 87 is prevented from sliding off from the rotary grill 8 to cause danger to workers, and equipment safety is effectively improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A hot air rotary furnace comprises a furnace body (1), a driving motor (2) arranged on the outer side of the furnace body (1) and a heating mechanism (3) used for heating the furnace body (1), wherein a furnace door (4) is arranged on one side of the furnace body (1), and the hot air rotary furnace is characterized in that a fixing frame (5) is arranged in the furnace body (1), the fixing frame (5) comprises a supporting plate (6) vertically arranged at the bottom of the furnace body (1) and parallel to each other, a U-shaped guide groove (7) is horizontally arranged on the supporting plate (6), a rotary grill (8) is arranged in the furnace body (1), the rotary grill (8) comprises a supporting frame (81), trundles (82) are arranged at the bottom of the supporting frame (81), two guide strips (83) which are parallel to each other and are matched with the guide groove (7) are horizontally arranged at the upper end of the supporting frame (81), and a spool frame (84), the furnace body is characterized in that a plurality of cross rods (85) are connected to the edges of two sides of the periphery of the I-shaped wheel frame (84), hanging trays (86) are connected to the cross rods (85) in a rotating mode, baking trays (87) are arranged in the hanging trays (86), one ends of rotating shafts of the I-shaped wheels extend out of the guide strips (83), driven teeth (9) are arranged at the end portions of the rotating shafts of the I-shaped wheels, output shafts of the driving motors (2) extend into the furnace body (1), driving teeth (10) are arranged at the end portions of the output shafts of the driving motors, and the driven teeth (9).

2. A hot blast rotary furnace according to claim 1, wherein a position-limiting component (11) is disposed in the guiding groove (7), the position-limiting component (11) comprises a position-limiting groove (111) disposed on a groove wall of the guiding groove (7) and opening toward the guiding groove (7), a clamping head (112) is disposed in the position-limiting groove (111), a spring (113) for urging the clamping head (112) away from the position-limiting groove (111) is disposed on a groove bottom of the position-limiting groove (111), the clamping head (112) is inclined near an outer side of the position-limiting groove (111), a pull rod (114) is disposed on a side of the clamping head (112) near the groove bottom of the position-limiting groove (111) and perpendicular thereto, an end of the pull rod (114) extends out of a top of the supporting plate (6), and a position-limiting ring (115) is disposed on the pull.

3. The hot air rotary furnace according to claim 2, wherein the heating mechanism (3) comprises a heating chamber (31) arranged at one side of the furnace body (1), a heater (32) is arranged in the middle of the heating chamber (31), an air supply opening (33) is arranged at the upper end of the heating chamber (31) and communicated with the inside of the furnace body (1), an air return opening (34) is arranged at the lower end of the heating chamber (31) and communicated with the furnace body (1), and an air supply fan (35) is arranged at the air supply opening (33).

4. A hot air rotary furnace according to claim 3, characterized in that the air return inlet (34) is provided with an air return channel (12) at the bottom of the furnace body (1), one end of the air return channel (12) far away from the heating chamber (31) is provided with an air suction inlet (13), and the air suction inlet (13) is provided with an air return plate (14).

5. A hot blast rotary furnace according to claim 4, wherein said platform (86) is a net structure, and a guard rail (15) is provided around said platform (86).

6. A hot air rotary furnace according to claim 5, characterized in that the top of the furnace body (1) is provided with an oil smoke exhaust pipe (16), the oil smoke exhaust pipe (16) is arranged in a bending way at one side, and a filter screen (17) is arranged at the outlet of the oil smoke exhaust pipe (16).

7. A hot air rotary furnace according to claim 6, characterized in that sealing rubber strips (18) are arranged around the furnace door (4), and the inner wall of the furnace body (1) is provided with heat preservation and protection plates (19).

8. A hot-blast rotary furnace according to claim 7, characterized in that said furnace door (4) is provided with an observation window (20), said observation window (20) being provided with an anti-fog glass (21).