Food processing stir-frying machine

Abstract

The utility model discloses a food processing frying machine which comprises a base, a heating device is arranged in the base, a frying pan is arranged above the heating device, a support is arranged on the base, a stirring assembly is movably arranged on the support, the support comprises a lower stand column and an upper stand column, and the upper stand column is rotationally connected to the upper portion of the lower stand column through a rotating shaft. The rotating shaft is arranged on one side away from the stirring assembly; a positioning plate with a mounting hole and a first clamping part is arranged in the upper stand column, a positioning column is fixedly connected in the lower stand column, a movable shaft pin is further arranged on the lower stand column, and the movable shaft pin penetrates through the mounting hole to achieve upright positioning of the upper stand column. When the movable shaft pin is pulled out, the upper stand column rotates towards the side away from the frying pan, and the upper stand column cannot continue to rotate when the first clamping part is clamped to the positioning column. A rotary fixing mechanism is arranged between the upper stand column and the lower stand column of the stir-frying machine, injury caused by accidental movement is prevented, a stirring shaft and a transmission structure are simply and conveniently connected through a positioning pin and a bolt gasket, a complex bearing structure is omitted, cost is reduced, disassembly and assembly are simplified, and cleaning and maintenance are convenient.

Description

Technical Field

[0001] This utility model relates to the field of food processing technology, specifically to a food processing and frying machine. Background Technology

[0002] Traditional frying machines typically have their mixing components fixed to a support frame. When cleaning the wok or changing the filling, operators must directly contact or move the mixing component, increasing operational difficulty and potentially causing injury due to accidental movement. Furthermore, while some frying machines feature rotatable mixing components for ease of operation, they lack an effective locking mechanism once in place. This allows the mixing component to shift due to vibration or external forces during filling changes or cleaning, compromising operator safety.

[0003] Meanwhile, in the connection design between the stirring assembly and the transmission mechanism, existing technologies often employ complex bearing housings and bearing assemblies to secure the stirring shaft and ensure its stability during rotation. However, this not only increases the manufacturing cost of the equipment but also makes the disassembly and assembly process cumbersome, hindering rapid cleaning and maintenance. Especially in situations requiring frequent replacement of stirring components or equipment maintenance, this complex structural design undoubtedly reduces production efficiency and increases downtime. Utility Model Content

[0004] This utility model provides a food processing and frying machine. The upper and lower columns of the food processing and frying machine are equipped with a rotating and fixing mechanism to prevent accidental movement and injury. The stirring shaft and the transmission structure are simply connected by positioning pins and bolt washers, eliminating the need for a complex bearing structure, reducing costs, simplifying disassembly and assembly, and facilitating cleaning and maintenance.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A food processing and frying machine includes a base, a heating device inside the base, a frying pan above the heating device, a support on the base, and a stirring assembly movably mounted on the support, which can extend into the frying pan. The support includes a lower column and an upper column. The lower side of the lower column is fixedly connected to the base, and the stirring assembly is mounted on the upper column. The upper column is rotatably connected to the upper column above the lower column via a rotating shaft located on the side away from the stirring assembly. A positioning plate with a mounting hole and a first locking part is provided inside the upper column. A positioning post that mates with the first locking part is fixedly connected inside the lower column, and a movable shaft pin is also provided on the lower column. The movable shaft pin passes through the mounting hole to achieve upright positioning of the upper column. When the movable shaft pin is pulled out, the upper column rotates away from the frying pan, and the first locking part engages with the positioning post, preventing the upper column from rotating further.

[0007] Preferably, an abutment groove is provided below the positioning plate. The abutment groove is a semi-circular groove. When the first snap-fit ​​part snaps onto the positioning post, the movable shaft pin passes through the abutment groove to achieve the tilting positioning of the upper post.

[0008] Preferably, the first engaging part is a hook body disposed at one end of the positioning plate, and the hook body is engaged with the outer diameter of the positioning post.

[0009] Preferably, the positioning plate is an arc-shaped plate, and the bending path of the arc-shaped plate is consistent with the rotation path of the upper column.

[0010] Preferably, a support base is fixedly connected inside the lower column. The support base includes a first support plate and a second support plate, which are parallel to each other. A first limiting hole and a second limiting hole are respectively provided on the first support plate and the second support plate. A movable shaft pin is inserted between the two first limiting holes, and a positioning column is fixed between the two second limiting holes.

[0011] Preferably, the bracket includes a mounting plate connected to the top of the upper column, and a motor is fixedly connected to the mounting plate. The motor drives the stirring assembly to rotate around its own axis through a transmission structure.

[0012] Preferably, the transmission structure includes a first bevel gear and a second bevel gear that mesh with each other. The first bevel gear is connected to the output end of the motor. The stirring assembly includes a stirring shaft and stirring blades connected below the stirring shaft. A first through groove is provided at the top of the stirring shaft, and a through hole is provided at the center of the second bevel gear. A second through groove is provided on the inner wall of the through hole. When the first and second through grooves are aligned, a positioning groove is formed. A positioning pin is inserted into the positioning groove to position the stirring shaft and the second bevel gear. A first threaded hole is also provided at the top of the end of the stirring shaft with the first through groove. A first bolt is inserted into a washer with a central hole and screwed into the first threaded hole. The washer secures the top of the stirring shaft so that the stirring shaft will not come out of the through hole.

[0013] Preferably, the end of the motor near the stirring shaft is the rotating end, the first bevel gear is fixedly connected to the rotating end, the second bevel gear is fixedly disposed at the top end of the stirring shaft, the axis of the first bevel gear is perpendicular to the axis of the second bevel gear, and the axis of the second bevel gear coincides with the axis of the stirring shaft.

[0014] Preferably, a fixing sleeve is provided at the center of the stirring blade, and a keyway is provided on the bottom side wall of the stirring shaft. The keyway is arranged vertically or spirally. At least one second threaded hole is provided on the side wall of the fixing sleeve, and a second bolt is inserted into the second threaded hole. The second bolt presses against the keyway.

[0015] Preferably, there are two stirring blades, and the two stirring blades are symmetrical about the center of the fixed sleeve.

[0016] In the above technical solution, the upper column is rotatably connected to the upper column above the lower column via a rotating shaft, which is positioned away from the mixing component. This allows the upper column to drive the mixing component to rotate away from the wok, providing ample operating space for filling replacement and wok cleaning. Simultaneously, the upper column contains a positioning plate with mounting holes and a first locking part, while the lower column contains a fixed positioning post that mates with the first locking part. The lower column also features a movable pin. When the upper column needs to be upright for frying operations, the movable pin passes through the mounting hole, locking the upper column in an upright position to prevent accidental movement of the mixing component, thus avoiding personal injury and improving operational safety. When it is necessary to rotate the upper column, simply pull out the movable shaft pin, and the upper column can rotate away from the wok until the first locking part is engaged with the positioning pin. At this point, the upper column cannot continue to rotate, and the movable shaft pin is inserted into the abutment groove to achieve the tilt positioning of the upper column. This prevents the upper column from moving when changing fillings or cleaning the wok, thus avoiding accidental injury to the operator.

[0017] A first through groove is provided at the top of the stirring shaft, and a through hole is provided at the center of the second bevel gear. A second through groove is provided on the inner wall of the through hole. When the first and second through grooves are aligned, a positioning groove is formed. A positioning pin is inserted into the positioning groove to position the stirring shaft and the second bevel gear, ensuring they remain synchronized during rotation. Simultaneously, a first threaded hole is provided at the top of the end of the stirring shaft with the first through groove. A first bolt is inserted into a washer with a central hole and screwed into the first threaded hole. The washer secures the top of the stirring shaft, preventing it from coming out of the through hole. This connection method not only eliminates the need for a complex bearing structure, reducing manufacturing costs, but also simplifies the disassembly and assembly process, making cleaning and maintenance of the equipment more convenient and faster, thereby improving production efficiency. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention without an outer cover;

[0020] Figure 3 This is a schematic diagram showing the connection relationship between the motor and the stirring shaft of this utility model.

[0021] Figure 4 This is a schematic diagram showing the connection relationship between the motor and the stirring shaft of this utility model;

[0022] Figure 5This is a three-dimensional schematic diagram of the rotating connection between the upper and lower columns of this utility model.

[0023] Figure 6 This is a schematic diagram showing the internal connection relationship between the upper and lower columns of this utility model;

[0024] Figure 7 This is a schematic diagram of the internal structure of the lower column of this utility model;

[0025] Figure 8 This is a schematic front view of the stirring shaft of this utility model;

[0026] Figure 9 This is a schematic cross-sectional view of the fixing sleeve of this utility model;

[0027] Figure 10 This is a schematic diagram showing the connection relationship between the transmission structure and the motor of this utility model;

[0028] Figure 11 This is a three-dimensional structural diagram of the positioning plate of this utility model.

[0029] In the diagram, 1 is the base; 12 is the wok; 13 is the control panel; 14 is the speed control switch; 15 is the emergency stop control switch; 2 is the bracket; 21 is the upper column; 211 is the positioning plate; 212 is the mounting hole; 213 is the first snap-fit ​​part; 214 is the abutment groove; 22 is the lower column; 221 is the movable shaft pin; 222 is the positioning pin; 223 is the first support plate; 224 is the second support plate; 225 is the first limit hole; 226 is the second limit hole; 227 is the blocking part; 23 is the rotating shaft; 24 is the first mounting sleeve; 25 is the second... 26. Mounting sleeve; 27. Third mounting sleeve; 28. Shaft pin; 29. ​​Mounting plate; 201. Outer cover; 202. Motor; 202. Transmission structure; 202. First bevel gear; 203. Second bevel gear; 204. Through hole; 205. Second through groove; 3. Stirring assembly; 31. Stirring shaft; 311. First through groove; 312. Positioning groove; 313. Positioning pin; 32. First threaded hole; 33. First bolt; 34. Washer; 35. Keyway; 36. Stirring blade; 37. Fixing sleeve; 38. Second threaded hole. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings:

[0031] like Figures 1 to 11As shown, a food processing and frying machine includes a base 1, with a temperature-adjustable heating mechanism embedded inside the base 1. A frying pan 12 for holding fillings is positioned above the heating mechanism, and the heating mechanism heats the fillings in the frying pan 12. A support 2 is fixedly connected to one side of the base 1, supporting a mixing assembly 3. The support 2 includes a lower column 22 and an upper column 21. The bottom of the lower column 22 is fixedly connected to the base 1 by welding or bolts, and can withstand the force generated by the mixing assembly 3 during operation. One end of the upper column 21 is connected to the mixing assembly 3, and the other end is rotatably connected to the upper column 22 above the lower column 22 via a rotating shaft 23. The rotating shaft 23 is positioned away from the mixing assembly 3, allowing the upper column 21 to drive the mixing assembly 3 to rotate away from the frying pan 12, providing operating space for filling replacement and cleaning of the frying pan 12. The specific connection method is as follows: A first mounting sleeve 24 and a second mounting sleeve 25 are provided at the top of the lower column 22 away from the wok 12. The first mounting sleeve 24 and the second mounting sleeve 25 are respectively provided on both sides of the top of the lower column 22. A third mounting sleeve 26 is provided at the bottom of the upper column 21 away from the wok 12. When the lower column 22 is connected to the upper column 21, the third mounting sleeve 26 is located between the first mounting sleeve 24 and the second mounting sleeve 25. By inserting the shaft pin 27 between the first mounting sleeve 24, the third mounting sleeve 26 and the second mounting sleeve 25, the rotational connection between the upper column 21 and the lower column 22 is realized.

[0032] A positioning plate 211 with mounting holes 212 and a first snap-fit ​​part 213 is welded inside the upper column 21. The positioning plate 211 is an arc-shaped plate, and the bending path of the arc-shaped plate is consistent with the rotation path of the upper column 21, reducing shaking and friction during rotation. A movable shaft pin 221 is provided on the side wall of the lower column 22. The movable shaft pin 221 can be pulled out or inserted inward. When the upper column 21 needs to be upright for frying, the movable shaft pin 221 is inserted inward, so that the movable shaft pin 221 passes through the mounting hole 212. At this time, the upper column 21 is locked in the upright position, and the stirring assembly 3 cannot move accidentally. The rotatable connection between the upper column 21 and the lower column 22 allows the upper column 21 to rotate relative to the lower column 22 only along the rotating shaft 23 towards or away from the wok 12. Furthermore, by inserting the shaft pin 27 into the mounting hole 212, the upper column 21 and the lower column 22 are fixed in place, ensuring that the upper column 21 will not move when in an upright position. This dual positioning mechanism of the rotating shaft 23 and the mounting hole 212 prevents the stirring assembly 3 from shaking or moving during the frying process, avoiding personal injury and improving operational safety.

[0033] The lower column 22 has a fixedly connected positioning pin 222 that engages with the first locking part 213. The positioning pin 222 is perpendicular to the positioning plate 211. When the upper column 21 needs to be rotated, the movable pin 221 is pulled out, and the upper column 21 can rotate around the rotating shaft 23 to the side away from the wok 12 until the first locking part 213 on the positioning plate 211 abuts against the positioning pin 222. At this point, the upper column 21 cannot continue to rotate, achieving tilt positioning. A semi-circular abutment groove 214 is provided below the positioning plate 211. When the first locking part 213 rotates to abut against the positioning pin 222, the movable pin 221 is inserted inward. At this time, the movable pin 221 is inserted into the abutment groove 214, achieving stable positioning of the upper column 21 in the tilted state. The upper column 21 and lower column 22 are rotatably connected, allowing the upper column 21 to rotate only towards or away from the wok 12. The positioning pin 222 limits the movement of the first locking part 213, restricting the upper column 21's movement to a fixed range. However, if the operator cleans or performs other operations on the wok 12, the upper column 21 may still rotate towards the wok 12, potentially causing an accident. Furthermore, by inserting the shaft pin 27 into the abutment groove 214, a stable positioning of the upper column 21 is achieved in its tilted state. This provides an additional support point when the upper column 21 is tilted, enhancing the stability of the positioning. Even under external force, the positioning remains unchanged, further ensuring operational safety and providing ample and stable operating space for filling changes and cleaning of the wok 12.

[0034] In this embodiment, a blocking part 227 is provided at the top of the lower column 22. The blocking part 227 is fixedly connected to the top of the lower column 22 in a semi-enclosed structure, so that when the upper column 21 rotates, the mounting base, positioning post 222, snap-fit ​​part, and positioning plate 211 are always hidden inside the blocking part 227 and will not be exposed. The first snap-fit ​​part 213 of the positioning plate 211 is a hook body provided at one end of the positioning plate 211. The inner diameter of the hook body matches the outer diameter of the positioning post 222, so that the hook body fits tightly against the outer wall of the positioning post 222 when it abuts, reducing the safety hazards caused by insecure positioning. A support base is fixedly connected to one side inside the lower column 22. The support base includes a first support plate 223 and a second support plate 224. The first support plate 223 and the second support plate 224 are arranged in parallel and fixed inside the lower column 22 by welding or bolts. First limiting holes 225 and second limiting holes 226 are respectively provided on the first support plate 223 and the second support plate 224. The two first limiting holes 225 are coaxially arranged and used to pass through the shaft pin 27; the two second limiting holes 226 are coaxially arranged and used to fix the positioning column 222, so that the entire positioning system is stable, thereby improving the overall reliability and safety of the equipment.

[0035] The bracket 2 also includes a mounting plate 28 connected to the top of the upper column 21. The mounting plate 28 is fixed to the top of the upper column 21 by welding or bolts. A motor 29 is fixedly connected to the mounting plate 28. The motor 29 drives the stirring assembly 3 to rotate around its own axis through a transmission structure 291. The transmission structure 291 can be a belt, chain, or gear, preferably a gear. The transmission structure 291 includes a first bevel gear 292 and a second bevel gear 293 that mesh with each other for transmission between intersecting shafts. The end of the motor 29 closest to the stirring assembly 3 is the output end. The first bevel gear 292 is fixedly connected to the output end of the motor 29, and the second bevel gear 293 is fixedly disposed at the top of the stirring assembly 3. The axis of the first bevel gear 292 is perpendicular to the axis of the second bevel gear 293, and the axis of the second bevel gear 293 coincides with the axis of the stirring shaft 31. The first bevel gear 292 and the second bevel gear 293 mesh with each other to achieve transmission. This transmission method is simple to implement and install, has low manufacturing cost, and allows the motor 29 to be placed horizontally, reducing the overall height of the food frying machine. Furthermore, the rotational speed of the stirring assembly 3 can be adjusted based on the transmission ratio of the first bevel gear 292 and the second bevel gear 293 and the rotational speed of the motor 29, thereby adjusting the speed at which the stirring assembly 3 stirs and frys the filling. Additionally, the mounting plate 28 is equipped with an outer cover 281 to conceal the motor 29, the first bevel gear 292, the second bevel gear 293, and other structures.

[0036] The stirring assembly 3 includes a stirring shaft 31 and stirring blades 36 connected below the stirring shaft 31. A first through groove 311 is provided on the top side wall of the stirring shaft 31, and a through hole 294 is provided at the center of the second bevel gear 293. A second through groove 295 is provided on the inner wall of the through hole 294. When the first through groove 311 and the second through groove 295 are aligned, a positioning groove 312 is formed. At this time, a positioning pin 313 is inserted into the positioning groove 312 to position the stirring shaft 31 and the second bevel gear 293, ensuring they remain synchronized during rotation. A first threaded hole 32 is also provided at the top of the end of the stirring shaft 31 with the first through groove 311. A first bolt 33 is inserted into a washer 34 with a central hole and then screwed into the first threaded hole 32. The diameter of the washer 34 is larger than the diameter of the through hole 294. The washer 34 secures the top of the stirring shaft 31, preventing the stirring shaft 31 from coming out of the through hole 294. This connection method eliminates the need for a complex bearing structure, simplifying the assembly and disassembly process. Operators can quickly disassemble and install the stirring shaft 31, facilitating equipment cleaning and maintenance.

[0037] At least two stirring blades 36 are provided, and a fixing sleeve 37 is welded to the center of the two stirring blades 36. A keyway 35 is provided on the bottom side wall of the stirring shaft 31. The keyway 35 can be vertically or spirally arranged to adapt to different stirring needs. The fixing sleeve 37 is fitted onto the bottom end of the stirring shaft 31 and can slide up and down along the stirring shaft 31, thereby adjusting the distance between the stirring blades 36 and the bottom of the wok 12 according to different fillings. At least one second threaded hole 38, preferably two, is provided on the side wall of the fixing sleeve 37. A second bolt passes through the two second threaded holes 38 and presses the second bolt against the keyway 35. After adjustment, the second bolt is screwed to pass through the second threaded hole 38 and abut against the keyway 35, realizing the fixed connection between the stirring blades 36 and the stirring shaft 31. This connection method is firm and reliable, ensuring that the stirring blades 36 will not loosen or fall off during high-speed rotation. The two stirring blades 36 are symmetrical about the center of the fixing sleeve 37, so that the filling is subjected to uniform force during stirring. The symmetrically arranged stirring blades 36 can stir the filling in the wok 12 from all directions when they rotate, so that the filling is fully mixed and stir-fried, thus improving the stir-frying effect.

[0038] In a preferred embodiment, the base 1 is rectangular, and the heating mechanism can be an induction cooker, a light wave, a heating tube, a heating rod, etc. A control panel 13 for controlling the heating mechanism and the motor 29 is provided on the side of the base 1 away from the support 2. The control panel 13 serves as the control part of the filling stir-frying machine, controlling the heating mechanism and the motor 29, and can also include an emergency stop control switch 15 to prevent accidents. The control panel 13 can be equipped with a speed control switch 14 to adjust the speed of the motor 29, allowing for adjustment of the stirring speed of the stirring blades 36 according to the needs of stir-frying the filling, achieving the best stir-frying effect.

[0039] When using the equipment, first ensure the upper column is upright. Adjust the depth of the stirring blade 36 in the wok by tightening the second bolt according to the amount of filling required. Then add the filling to the wok. Next, turn the speed control switch 14 to adjust the speed of the stirring assembly 3. In case of an emergency, press the emergency stop button. After stir-frying, retract the movable shaft pin 221 outwards, allowing it to disengage from the mounting hole 212. Then, rotate the upper column 21 and insert the movable shaft pin 221 into the abutment groove, ensuring the upper column 21 remains in a tilted position. Remove the filling from the wok 12 and disassemble and clean the stirring blade 36 and other components.

[0040] This embodiment is merely an illustration of the concept and implementation of this utility model, and is not intended to limit it. Under the concept of this utility model, the technical solution without substantial changes is still within the protection scope.

Claims

1. A food processing and frying machine, comprising a base, a heating device disposed within the base, a frying pan disposed above the heating device, a support mounted on the base, and a stirring assembly movably disposed on the support, the stirring assembly being able to extend into the frying pan, characterized in that... The support includes a lower column and an upper column. The lower side of the lower column is fixedly connected to the base. The stirring component is set on the upper column, and the upper column is rotatably connected above the lower column via a rotating shaft located on the side away from the stirring component. Inside the upper column, there is a positioning plate with a mounting hole and a first locking part. Inside the lower column, there is a positioning post that mates with the first locking part, and a movable shaft pin is also provided on the lower column. The movable shaft pin passes through the mounting hole to achieve upright positioning of the upper column. When the movable shaft pin is pulled out, the upper column rotates away from the wok, and the first locking part engages with the positioning post, preventing the upper column from rotating further.

2. The food processing and frying machine according to claim 1, characterized in that, A notching groove is provided below the positioning plate. The notching groove is a semi-circular groove. When the first snap-fit ​​part snaps onto the positioning column, the movable shaft pin passes through the notching groove to achieve the tilting positioning of the upper column.

3. The food processing and frying machine according to claim 2, characterized in that, The first snap-fit ​​part is a hook body disposed at one end of the positioning plate, and the hook body is fitted with the outer diameter of the positioning post.

4. The food processing and frying machine according to claim 3, characterized in that, The positioning plate is an arc-shaped plate, and the bending path of the arc-shaped plate is consistent with the rotation path of the upper column.

5. The food processing and frying machine according to claim 4, characterized in that, A support base is fixedly connected inside the lower column. The support base includes a first support plate and a second support plate. The first support plate and the second support plate are parallel. The first support plate and the second support plate are respectively provided with a first limiting hole and a second limiting hole. A movable shaft pin is passed through the two first limiting holes, and a positioning column is fixed between the two second limiting holes.

6. The food processing and frying machine according to any one of claims 1 to 5, characterized in that, The support includes a mounting plate connected to the top of the upper column, and a motor is fixedly connected to the mounting plate. The motor drives the stirring assembly to rotate around its own axis through a transmission structure.

7. The food processing and frying machine according to claim 6, characterized in that, The transmission structure includes a first bevel gear and a second bevel gear that mesh with each other. The stirring assembly includes a stirring shaft and stirring blades connected below the stirring shaft. A first through groove is provided at the top of the stirring shaft, and a through hole is provided at the center of the second bevel gear. A second through groove is provided on the inner wall of the through hole. When the first and second through grooves are aligned, a positioning groove is formed. A positioning pin is inserted into the positioning groove to position the stirring shaft and the second bevel gear. A first threaded hole is also provided at the top of the end of the stirring shaft with the first through groove. A first bolt is inserted into a washer with a central hole and screwed into the first threaded hole. The washer secures the top of the stirring shaft so that the stirring shaft will not come out of the through hole.

8. The food processing and frying machine according to claim 7, characterized in that, The motor has an output end near the stirring shaft. The first bevel gear is fixedly connected to the output end, and the second bevel gear is fixedly mounted on the top of the stirring shaft. The axis of the first bevel gear is perpendicular to the axis of the second bevel gear, and the axis of the second bevel gear coincides with the axis of the stirring shaft.

9. The food processing and frying machine according to claim 7 or 8, characterized in that, A fixed sleeve is provided at the center of the stirring blade, and a keyway is provided on the bottom side wall of the stirring shaft. The keyway is arranged vertically or spirally. At least one second threaded hole is provided on the side wall of the fixed sleeve, and a second bolt is inserted into the second threaded hole. The second bolt presses the keyway.

10. The food processing and frying machine according to claim 9, characterized in that, The stirring blades are provided in two parts, and the two stirring blades are symmetrical about the center of the fixed sleeve.

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