Hot air puffing device for food

Abstract

The invention is suitable for the technical field of hot air puffing, and provides a hot air puffing device for food, which comprises a puffing device; the lower rotating shaft is rotationally arranged at the lower part of the bulking device, a rotating disc is arranged on the lower rotating shaft, a plurality of air rectification holes are formed in the rotating disc, a lower sleeve shaft is rotationally arranged on the lower rotating shaft in a sleeving manner, a lifting disc is arranged on the lower sleeve shaft, an adjusting piece is arranged on the lower sleeve shaft, and a plurality of ejector rods are arranged on the adjusting piece; the driven piece is arranged between the rotating disc and the lifting disc, a plurality of connecting rods penetrating through the rotating disc are arranged on the driven piece, the top ends of the connecting rods are connected with a synchronous disc, and at least one shifting rod is arranged at the top end of the synchronous disc; the upper rotating shaft is rotationally connected to the top of the lower rotating shaft, and an auxiliary part is arranged at the top of the upper rotating shaft; and the upper sleeve shaft is rotationally arranged outside the upper rotating shaft in a sleeving mode, and a mounting piece is arranged on the upper sleeve shaft in a sliding mode. Therefore, uniform dispersion of materials can be realized through centrifugal force of the rotating disc, good heat exchange efficiency is guaranteed, the interior of the bulking device can be cleaned, and good product quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hot air puffing, in particular to a hot air puffing device for food. BACKGROUND

[0002] As a unit operation in the field of food processing, "material puffing" is a process of converting heat energy into mechanical energy to deform the material, which has been used for a long time in food processing.

[0003] There are various food puffing devices in the prior art, for example, a continuous puffing device suitable for granular food material is disclosed in Chinese Patent No. CN209031228U, which comprises a fan, an air heater, a feeding section provided with a feeder and a cyclone separator connected in sequence; wherein the air outlet of the fan is in communication with the air inlet of the air heater; the two ends of the feeding section are respectively connected with the hot air outlet of the air heater and the material inlet of the cyclone separator through pipelines, and form a wedge-shaped air duct, so that a negative pressure area is formed when the hot air passes through, and a feeding port is further arranged on the pipeline wall of the negative pressure area, which is matched with the feeder through a hopper; the cyclone separator has a material outlet and a hot air outlet and can realize the separation of material and hot air, which can realize the continuous puffing of food.

[0004] However, the hot air with a certain temperature is directly discharged from the device during use, cannot circulate inside the device, resulting in waste of part of heat energy, and the device lacks a cleaning mechanism, so when food adheres to the inner wall of the device, the food will carbonize after repeated heating, affecting the quality of subsequent products, and it is still inconvenient to use.

[0005] From the above, it can be seen that the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. SUMMARY

[0006] In view of the above defects, the purpose of the present application is to provide a hot air puffing device for food, which can realize uniform dispersion of the material by the centrifugal force of the rotating disc, ensure good heat exchange efficiency, and clean the inside of the puffing device, ensure good product quality.

[0007] In order to achieve the above object, the present application provides a hot air puffing device for food, comprising: a puffer, the top side wall of which is provided with a feeding pipe, the top end of the puffer is connected with a circulating pipe and a discharging pipe, the bottom end of the circulating pipe is connected to the bottom side wall of the puffer; a lower rotating shaft, which is rotatably arranged at the lower part of the puffer, is provided with a rotating disc, the rotating disc is provided with a plurality of whole air holes, the lower rotating shaft is rotatably sleeved with a lower sleeve shaft, the lower sleeve shaft is provided with a lifting disc, the lower sleeve shaft below the lifting disc is provided with an adjusting piece, the middle part of the lifting disc is provided with a concave seat, the adjusting piece is provided with a plurality of top rods penetrating into the concave seat; a driven piece, which is arranged between the rotating disc and the lifting disc, is provided with a plurality of connecting rods penetrating through the rotating disc, the top end of the connecting rod is connected with a synchronous disc, the top end of the synchronous disc is provided with at least one lever; an upper rotating shaft, which is rotatably connected to the top of the lower rotating shaft, is provided with an auxiliary piece, the side wall of the auxiliary piece is slidably provided with a rotating piece, the rotating piece is connected with a fixed support plate, the fixed support plate is provided with a blocking plate, the fixed support plate is rotatably connected with a universal plate, the puffer is provided with a guide slide rail penetrating through the universal plate; an upper sleeve shaft, which is rotatably sleeved outside the upper rotating shaft, is slidably provided with a mounting piece, the mounting piece is connected with a plurality of cleaning pieces, the upper sleeve shaft is provided with at least one groove, the groove is rotatably provided with an embedded rotating shaft.

[0008] According to the hot air puffing device for food, the bottom end of the upper rotating shaft is connected with at least one main lever, the bottom end of the upper sleeve shaft is connected with at least one auxiliary lever, the auxiliary lever is slidably connected with a sliding piece, the embedded rotating shaft is provided with a circulating groove matched with the sliding piece.

[0009] According to the hot air puffing device for food, a plurality of third springs are arranged between the sliding piece and the groove, the bottom surface of the driven piece is provided with a wave ring seat matched with the top rod.

[0010] According to the hot air puffing device for food, the bottom end of the lower rotating shaft and the bottom end of the lower sleeve shaft both penetrate out of the puffer, the bottom end of the lower rotating shaft is rotatably connected with a positive rotating shaft sleeve, the bottom end of the lower sleeve shaft is rotatably connected with a reverse rotating shaft sleeve.

[0011] According to the hot air puffing device for food, the top surface of the positive rotating shaft sleeve is provided with a positive ratchet, the lower rotating shaft is rotatably connected with a positive ratchet claw capable of rotating in one direction, the top surface of the reverse rotating shaft sleeve is provided with a reverse ratchet, the lower sleeve shaft is rotatably connected with a reverse ratchet claw capable of rotating in one direction.

[0012] According to the hot air puffing device for food, the bottom end of the puffer is rotatably connected with a driving shaft, the puffer is provided with a driving piece, the output shaft of the driving piece and the driving shaft are connected through a shaft coupling, the driving shaft and the positive rotating shaft sleeve and the driving shaft and the reverse rotating shaft sleeve are both connected through a belt transmission.

[0013] According to the hot air puffing device for food, the two ends of the guide slide rail are vertical sections, the two vertical sections are connected through an arc section, and the universal plate is located at the symmetric center point of the arc section when the auxiliary part is located at the lowest point of the movement range.

[0014] According to the hot air puffing device for food, a plurality of first springs are arranged between the top surface of the adjusting part and the bottom surface of the concave seat, and a plurality of second springs are arranged between the driven part and the rotating disc.

[0015] According to the hot air puffing device for food, the mounting part is provided with a convex seat matched with the groove, the surface of the embedded rotating shaft is provided with a third reciprocating groove matched with the convex seat, the surface of the lower sleeve shaft is provided with a first reciprocating groove matched with the adjusting part, and the top of the upper rotating shaft is provided with a second reciprocating groove matched with the auxiliary part.

[0016] The purpose of the present application is to provide a hot air puffing device for food, which has the following beneficial effects: 1. By arranging the puffing device, the circulating pipeline and the rotating disc and the like, when the material is subjected to circulating hot air puffing, the centrifugal force of the rotating disc can realize uniform dispersion of the material, and the blowing direction of the hot air can be constantly adjusted to ensure good heat exchange efficiency.

[0017] 2. By arranging the upper sleeve shaft, the upper rotating shaft and the mounting part and the like, the position switching of the blocking plate can be automatically realized, and the inside wall of the puffing device and the rotating disc can be cleaned, so that the material adhered after repeated heating and carbonization can be avoided, the quality of the subsequent product is affected, and when the device is in the puffing state, only the rotating disc rotates, and the remaining structures are in a static state, so that the influence on the airflow field is minimized.

[0018] In summary, the present application has the following beneficial effects: the centrifugal force of the rotating disc can realize uniform dispersion of the material and ensure good heat exchange efficiency, and the inside of the puffing device can be cleaned to ensure good product quality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of the external structure of the present application; Figure 2 is a front view of the present application; Figure 3 is Figure 2 an enlarged schematic diagram of the A part structure of the present application; Figure 4 is Figure 2 an enlarged schematic diagram of the B part structure of the present application; Figure 5 is a schematic diagram of the internal structure of the present application; Figure 6 is Figure 5A part structure enlarged schematic view of Figure 7 B part structure enlarged schematic view of Figure 5 D part structure enlarged schematic view of Figure 8 From the driven structure enlarged schematic view of In the figure: 1 - expander, 11 - feeding pipe, 12 - on-off plate, 13 - circulating pipe, 14 - discharge pipe, 15 - guide slide rail, 16 - limiting shaft, 2 - lower rotating shaft, 21 - rotating disc, 22 - positive rotating shaft sleeve, 23 - positive ratchet, 3 - lower sleeve shaft, 31 - lifting disc, 32 - through groove, 33 - concave seat, 34 - adjusting piece, 35 - jacking rod, 36 - reverse rotating shaft sleeve, 37 - reverse ratchet, 4 - driven part, 41 - connecting rod, 42 - synchronizing disc, 43 - shifting rod, 44 - wave ring seat, 5 - upper rotating shaft, 51 - main shifting piece, 6 - auxiliary piece, 61 - rotating piece, 62 - fixed branch plate, 63 - blocking plate, 64 - universal plate, 7 - upper sleeve shaft, 71 - embedded rotating shaft, 72 - mounting piece, 73 - cross bar, 74 - cleaning piece, 75 - secondary shifting piece, 76 - sliding piece, 8 - driving shaft, 81 - driving piece. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0021] Referring to Figures 1-8 , the present application provides a hot air puffing device for food, comprising: The expander 1 is provided with a supporting mechanism at the bottom end, which can be a plurality of supporting legs or supporting frames and the like, and the sidewall top of the expander 1 is fixedly connected with a feeding pipe 11, which is used to add materials into the interior of the expander 1. The feeding pipe 11 can be matched with an automatic weighing and conveying mechanism, such as a belt scale, a screw scale and the like, to realize automatic weighing and feeding. The bottom end of the end of the feeding pipe 11 away from the expander 1 is rotatably connected with an on-off plate 12. When the on-off plate 12 is opened, the automatic weighing and conveying mechanism can convey materials into the feeding pipe 11. When the on-off plate 12 is closed, the feeding pipe 11 can be sealed. The locking of the on-off plate 12 can be realized by a lock catch and the like to avoid the on-off plate 12 from being opened by mistake during the operation of the device. In addition, the on-off plate 12 is fixedly connected with a sealing rubber ring (not shown in the figure) to ensure good sealing effect.

[0022] The lower rotating shaft 2 is rotatably arranged at the lower part of the bulking device 1, the bottom end of the lower rotating shaft 2 penetrates out of the bulking device 1, the lower rotating shaft 2 is fixedly connected with a rotating disc 21, the rotating disc 21 is rotatably connected to the inner side wall of the bulking device 1, and a plurality of air regulating holes are arranged on the rotating disc 21. The bulking device 1 is fixedly connected with a circulating pipeline 13, one end of the circulating pipeline 13 is fixedly connected to the top wall of the bulking device 1, the other end of the circulating pipeline 13 is fixedly connected to the side wall of the bulking device 1 below the rotating disc 21, the circulating pipeline 13 is communicated with a hot air fan, the hot air fan can blow hot air into the bottom of the bulking device 1 along the circulating pipeline 13, the hot air blows the material upward after passing through the air regulating holes, and the hot air flows back to the circulating pipeline 13 at the top of the bulking device 1, so that the material is circularly bulking by the hot air, and a screen is fixedly connected in the circulating pipeline 13 at the top of the bulking device 1, which can prevent the material from entering the circulating pipeline 13.

[0023] The lower sleeve shaft 3 is rotatably sleeved outside the lower rotating shaft 2 and is located below the rotating disc 21, the bottom end of the lower sleeve shaft 3 penetrates out of the bulking device 1, and the lower sleeve shaft 3 arranged in the bulking device 1 is provided with a lifting disc 31, the lifting disc 31 is slidably connected to the inner side wall of the bulking device 1, and a plurality of through grooves 32 are arranged on the surface of the lifting disc 31, when the lifting disc 31 is lifted to the top surface abutting against the bottom surface of the rotating disc 21, the hot air can only be blown out at the air regulating holes corresponding to the through grooves 32, the number of the air regulating holes allowing the hot air to pass through is reduced under the premise that the air volume is unchanged, so that the air speed at the air regulating holes is increased, the impact effect of the hot air is improved, and the material blocked in the air regulating holes is removed. The middle part of the lifting disc 31 is fixedly connected with a concave seat 33 concave downward, the lower sleeve shaft 3 below the concave seat 33 is provided with an adjusting piece 34, a first reciprocating groove corresponding to the adjusting piece 34 is formed in the surface of the lower sleeve shaft 3, the adjusting piece 34 is fixedly connected with a first guide column matched with the first reciprocating groove, and the matching mode of the adjusting piece 34 and the lower sleeve shaft 3 can refer to a reciprocating wire rod. A plurality of top rods 35 penetrating into the concave seat 33 are fixedly connected to the top surface of the adjusting piece 34, a plurality of first springs are arranged between the top surface of the adjusting piece 34 and the bottom surface of the concave seat 33, and the first springs are further compression springs.

[0024] The driven part 4 is arranged between the rotating disc 21 and the lifting disc 31, the top surface of the driven part 4 is fixedly connected with a plurality of connecting rods 41 penetrating through the rotating disc 21, the connecting rods 41 all penetrate through the rotating disc 21, the top ends of the connecting rods 41 are fixedly connected to a synchronous disc 42, the rotating disc 21 can drive the driven part 4 and the synchronous disc 42 to synchronously rotate under the action of the connecting rods 41, a plurality of second springs are arranged between the driven part 4 and the rotating disc 21, and the second springs are further compression springs.

[0025] The upper rotating shaft 5 is arranged at the upper part of the bulking device 1, the bottom end of the upper rotating shaft 5 is rotatably connected to the top end of the lower rotating shaft 2, and the top end of the upper rotating shaft 5 is rotatably connected to the inner top surface of the bulking device 1. The top part of the upper rotating shaft 5 is provided with an auxiliary part 6, the top part of the upper rotating shaft 5 is provided with a second reciprocating groove matched with the auxiliary part 6, the auxiliary part 6 is fixedly connected with a second guide column matched with the second reciprocating groove, and the matching mode of the auxiliary part 6 and the upper rotating shaft 5 can refer to the reciprocating wire rod. The top surface of the bulking device 1 is fixedly connected with a plurality of limiting shafts 16 penetrating through the auxiliary part 6. The side wall of the auxiliary part 6 is slidably connected with a rotating part 61, the rotating part 61 can rotate around the axis of the upper rotating shaft 5, the side wall of the rotating part 61 is fixedly connected with a fixed branch plate 62, and the top end of the fixed branch plate 62 is fixedly connected with a blocking plate 63. The top end of the bulking device 1 is fixedly connected with a discharge pipeline 14 connected with a negative pressure fan, the blocking plate 63 can be matched with the discharge pipeline 14 or the circulating pipeline 13 to block the discharge pipeline 14 or the circulating pipeline 13, the inner top surface of the bulking device 1 is fixedly connected with a guide slide rail 15, the terminal end of the fixed branch plate 62 is rotatably connected with a universal plate through a connecting shaft, the guide slide rail 15 penetrates through the universal plate, both ends of the guide slide rail 15 are vertical sections, and the two vertical sections are connected through an arc section. When the auxiliary part 6 is located at the lowest point of the movement range, the universal plate is located at the lowest point of the guide slide rail 15, and the reciprocating rotation of the rotating part 61 is realized through the guide slide rail 15. The bottom end of the upper rotating shaft 5 is fixedly connected with at least one main shifting part 51, and the top surface of the synchronous disc 42 is fixedly connected with at least one shifting rod 43. When the shifting rod 43 and the main shifting part 51 are at the same horizontal height, the synchronous disc 42 can drive the upper rotating shaft 5 to rotate.

[0026] The upper sleeve shaft 7 is rotatably sleeved outside the upper rotating shaft 5, and at least one groove is formed in the surface of the upper sleeve shaft 7. A vertical inner embedded rotating shaft 71 is rotatably connected in the groove. The two ends of the inner embedded rotating shaft 71 are rotatably connected to the top surface and the bottom surface of the groove, respectively. The upper sleeve shaft 7 is slidably sleeved with a mounting piece 72. The mounting piece 72 is fixedly connected with a protruding seat extending into the groove. The inner embedded rotating shaft 71 penetrates through the protruding seat, and a third reciprocating groove is formed in the inner embedded rotating shaft 71. The protruding seat is fixedly connected with a third guide column corresponding to the third reciprocating groove. The cooperation mode of the inner embedded rotating shaft 71 and the protruding seat can refer to the reciprocating wire rod. The surface of the mounting piece 72 is fixedly connected with a plurality of cross rods 73. The ends of the cross rods 73 away from the mounting piece 72 are fixedly connected with cleaning pieces 74. The cleaning pieces 74 can be structures such as brushes and scrapers, which are used to clean the inner side wall of the bulking device 1. The bottom end of the upper sleeve shaft 7 is fixedly connected with at least one secondary shifting piece 75. The horizontal height of the secondary shifting piece 75 is higher than that of the primary shifting piece 51. When the shifting rod 43 is at the same horizontal height as the secondary shifting piece 75, the synchronous disc 42 can drive the upper sleeve shaft 7 to rotate. At this time, the shifting rod 43 does not contact the primary shifting piece 51. The secondary shifting piece 75 is slidably connected with a sliding piece 76. The sliding piece 76 can reciprocatingly move up and down along the secondary shifting piece 75. The sliding piece 76 extends into the groove, and the inner embedded rotating shaft 71 penetrates through the sliding piece 76. The surface of the inner embedded rotating shaft 71 is provided with a circulation groove corresponding to the sliding piece 76. The circulation groove is actually an arc-shaped groove around the surface of the inner embedded rotating shaft 71 and connected at the beginning and the end. Its structure can refer to the groove structure of the cylindrical groove cam surface. The purpose is to make the inner embedded rotating shaft 71 rotate in one direction when the sliding piece 76 reciprocatingly moves up and down along the secondary shifting piece 75. The bottom surface of the driven part 4 is provided with a wave ring seat 44. When the top rod 35 abuts against the wave ring seat 44 and the driven part 4 rotates with the rotating disc 21, the wave ring seat 44 can drive the synchronous disc 42 to reciprocate, thereby driving the sliding piece 76 to reciprocate. A plurality of third springs are arranged between the bottom surface of the sliding piece 76 and the bottom surface of the groove.

[0027] The driving shaft 8 is rotatably connected to the bottom end of the bulking device 1. The bottom end of the bulking device 1 is fixedly installed with a driving piece 81. The output shaft of the driving piece 81 is connected to the driving shaft 8 through a shaft coupling. The driving piece 81 can drive the driving shaft 8 to reciprocate. The bottom end of the lower rotating shaft 2 is rotatably sleeved with a positive rotating shaft sleeve 22. The top surface of the positive rotating shaft sleeve 22 is fixedly connected with a positive ratchet wheel 23. The positive ratchet wheel 23, the positive rotating shaft sleeve 22 and the lower rotating shaft 2 are concentric. A unidirectional rotating positive ratchet pawl is rotatably connected to the lower rotating shaft 2. The bottom end of the lower sleeve shaft 3 is rotatably sleeved with a reverse rotating shaft sleeve 36. The top surface of the reverse rotating shaft sleeve 36 is fixedly connected with a reverse ratchet wheel 37. The reverse ratchet wheel 37, the reverse rotating shaft sleeve 36 and the lower sleeve shaft 3 are concentric. A unidirectional rotating reverse ratchet pawl is rotatably connected to the lower sleeve shaft 3. The positive rotating shaft sleeve 22 and the driving shaft 8 are connected through a belt transmission. The reverse rotating shaft sleeve 36 and the driving shaft 8 are connected through a belt transmission.

[0028] Referring to Figures 1-8Preferably, appropriate pulley can be selected to assist the belt drive in the application, or the belt drive can be replaced by gear drive or chain drive to ensure good transmission efficiency. The above means are well known to those skilled in the art, and will not be described in detail.

[0029] Referring to Figures 1-8 Preferably, the length of the main dial 51 and the length of the secondary dial 75 are greater than the length of the dial column 43, so that the dial column 43 does not disengage from the main dial 51 or the secondary dial 75 when reciprocating under the action of the wave ring seat 44.

[0030] Referring to Figures 1-8 Preferably, the upper shaft 5 and the expander 1, the upper sleeve shaft 7 and the upper shaft 5, the embedded shaft 71 and the groove side wall, the lower shaft 2 and the positive shaft sleeve 22, the lower sleeve shaft 3 and the reverse shaft sleeve 36, the upper shaft 5 and the lower shaft 2 can be connected by bearings, bushings and other structures. The lifting disc 31 and the expander 1 side wall, the secondary dial 75 and the sliding member 76, the rotating member 61 and the auxiliary member 6 can be connected by a sliding groove structure. The opening and closing plate 12 and the feed pipe 11, the lower shaft 2 and the positive ratchet 23, the lower sleeve shaft 3 and the reverse ratchet 37 can be connected by pin shafts, hinges and other structures.

[0031] Referring to Figures 1-8 Preferably, the lower shaft 2 and the lower sleeve shaft 3, the driving shaft 8 and the expander 1, and the lower sleeve shaft 3 and the expander 1 are connected by rotating sealing, which can be connected by sealing bearings.

[0032] Referring to Figures 1-8 Preferably, the driving member 81 is a rotating motor that can provide sufficient power.

[0033] Referring to Figures 1-8 Preferably, the user can set an elastic protective film between the turntable 21 and the mounting member 72, and the elastic protective film is located outside the upper sleeve shaft 7 to protect the mechanism that needs precise cooperation in the application, and avoid material from causing blockage. A protective shell can also be provided outside the driving member 81. The above protective means are prior art, and will not be described in detail.

[0034] In the implementation process of the present application: the material is added to the inside of the bulking machine 1 at the feeding pipe 11 through the automatic weighing conveying mechanism, then the opening and closing plate 12 is closed to realize the sealing of the feeding pipe 11, at this time the lifting disc 31 is located in the bulking machine 1 below the circulating pipe 13, and the lifting disc 31 does not contact the rotating disc 21, the blocking plate 63 is located in the discharge pipe 14, at this time the hot air fan and the driving part 81 are started, the driving part 81 rotates in the positive direction, the positive ratchet wheel 23 cooperates with the positive ratchet pawl, the negative ratchet wheel 37 does not cooperate with the negative ratchet pawl, the lower sleeve shaft 2 drives the rotating disc 21 to rotate, under the action of the circulating pipe 13, the hot air circulates in the bulking machine 1 to realize the bulking of the material.

[0035] When the bulking is completed, the driving part 81 reverses, the positive ratchet wheel 23 does not cooperate with the positive ratchet pawl, the negative ratchet wheel 37 cooperates with the negative ratchet pawl, the lower sleeve shaft 3 rotates, the adjusting part 34 drives the lifting disc 31 to rise to abut against the rotating disc 21, the driven part 4 enters the inside of the concave seat 33, the top rod 35 drives the driven part 4 to rise to the same horizontal plane of the driving rod 43 and the main driving part 51, then the driving part 81 rotates in the positive direction, the lower rotating shaft 2 drives the synchronous disc 42 and the driving rod 43 to rotate, thereby driving the upper rotating shaft 5 to rotate, under the action of the second reciprocating groove, the auxiliary part 6 first descends and then rises, when the auxiliary part 6 is located at the lowest point of its movement range, the universal plate is located at the lowest point of the guide slide rail 15 (which is also the symmetric center point of the arc-shaped section), at this time the auxiliary part 6 rises, under the action of the movement inertia of the fixed supporting plate 62, the rotating part 61 drives the blocking plate 63 to rotate towards the circulating pipe 13, when the blocking plate 63 is inserted into the top of the circulating pipe 13, the hot air fan and the negative pressure machine are started (at this time the heating function of the hot air fan can not be started, and only the fan is used), the discharging operation is completed, after the position switching action of the blocking plate 63 is completed during the discharging, the lifting disc 31 can be lowered to reset, and then the discharging is performed.

[0036] When it is necessary to clean the bulking machine 1, first, the blocking plate 63 cooperates with the top end of the circulating pipe 13, then the driving part 81 continues to reverse, the adjusting part 34 rises to the same horizontal height of the driving rod 43 and the auxiliary driving part 75, at this time the driving part 81 rotates in the positive direction, which can drive the upper sleeve shaft 7 to rotate, since the mounting part 72 is connected with the upper sleeve shaft 7 through the convex seat sliding connection, the upper sleeve shaft 7 can drive the mounting part 72 to rotate synchronously, the cleaning part 74 cleans the side wall of the bulking machine 1, at the same time, under the action of the wave ring seat 44 of the driven part 4, the synchronous disc 42 drives the sliding part 76 to reciprocatingly rise and fall, under the action of the circulating groove, the inner embedded rotating shaft 71 rotates in one direction, thereby driving the mounting part 72 to reciprocatingly rise and fall, expanding the cleaning range of the cleaning part 74, during this period, the lifting disc 31 abuts against the rotating disc 21, only the whole air hole corresponding to the through groove 32 can allow air to pass through, since the lifting disc 31 is slidingly connected to the inner side wall of the bulking machine 1, and the rotating disc 21 can rotate synchronously with the lower rotating shaft 2, therefore the whole air hole on the rotating disc 21 can be cleaned, and the impurities cleaned down are discharged at the discharge pipe 14.

[0037] The application provides a hot air puffing device for food, which has the following beneficial effects: 1. By arranging the puffing device, circulating pipeline and rotating disc and the like, when the material is circulated and hot air puffed, the centrifugal force of the rotating disc is used to uniformly disperse the material, and the blowing direction of the hot air is constantly adjusted, so that the heat exchange efficiency is ensured.

[0038] 2. By arranging the upper sleeve shaft, upper rotating shaft and mounting piece and the like, the position switching of the blocking plate can be automatically realized, and the inner side wall of the puffing device and the rotating disc can be cleaned, so that the material is prevented from being adhered and repeatedly heated and carbonized, the subsequent product quality is affected, and when the device is in the puffing state, only the rotating disc rotates, and the rest of the structures are in the static state, so that the influence on the airflow field is reduced as much as possible.

[0039] In summary, the application has the beneficial effects that the centrifugal force of the rotating disc is used to uniformly disperse the material, the heat exchange efficiency is ensured, and the puffing device inside can be cleaned, so that the product quality is ensured.

[0040] Of course, the application can have various embodiments, and those skilled in the art can make corresponding changes and modifications according to the application without departing from the spirit and essence of the application, but these corresponding changes and modifications should belong to the protection scope of the claims attached to the application.

Claims

1. A hot-air puffing device for food, characterized by comprising: The utility model provides a kind of puffing device, including: The top side wall of the puffing device is provided with a feeding pipe, the top end of the puffing device is connected with a circulating pipe and a discharging pipe, the bottom end of the circulating pipe is connected to the bottom side wall of the puffing device; A lower rotating shaft is rotatably arranged at the lower part of the puffing device, the lower rotating shaft is provided with a rotating disc, the rotating disc is provided with a plurality of whole wind holes, the lower rotating shaft is rotatably sleeved with a lower sleeve shaft, the lower sleeve shaft is provided with a lifting disc, the lower sleeve shaft below the lifting disc is provided with an adjusting member, the middle part of the lifting disc is provided with a concave seat, the adjusting member is provided with a plurality of top rods penetrating into the concave seat; A driven member is arranged between the rotating disc and the lifting disc, the driven member is provided with a plurality of connecting rods penetrating through the rotating disc, the top end of the connecting rod is connected with a synchronous disc, the top end of the synchronous disc is provided with at least one lever; An upper rotating shaft is rotatably connected to the top of the lower rotating shaft, the top of the upper rotating shaft is provided with an auxiliary member, the side wall of the auxiliary member is slidably provided with a rotating member, the rotating member is connected with a fixed support plate, the fixed support plate is provided with a blocking plate, the fixed support plate is rotatably connected with a universal plate, the puffing device is provided with a guide rail penetrating through the universal plate; An upper sleeve shaft is rotatably sleeved outside the upper rotating shaft, the upper sleeve shaft is slidably provided with a mounting member, the mounting member is connected with a plurality of cleaning members, the upper sleeve shaft is provided with at least one groove, the inner embedded rotating shaft is rotatably arranged in the groove.

2. The hot-air puffing apparatus for food according to claim 1, wherein The bottom end of the upper rotating shaft is connected with at least one main lever, the bottom end of the upper sleeve shaft is connected with at least one auxiliary lever, the auxiliary lever is slidably connected with a sliding member, the inner embedded rotating shaft is provided with a circulating groove matched with the sliding member.

3. The hot-air puffing apparatus for food according to claim 2, wherein A plurality of third springs are arranged between the sliding member and the groove, the bottom surface of the driven member is provided with a wave ring seat matched with the top rod.

4. The food hot-air puffing apparatus according to claim 1, wherein The bottom end of the lower rotating shaft and the lower sleeve shaft penetrates out of the puffing device, the bottom end of the lower rotating shaft is rotatably connected with a positive rotating shaft sleeve, the bottom end of the lower sleeve shaft is rotatably connected with a reverse rotating shaft sleeve.

5. The food hot-air puffing apparatus according to claim 4, wherein The top surface of the positive rotating shaft sleeve is provided with a positive ratchet, the lower rotating shaft is rotatably connected with a positive ratchet pawl capable of rotating in one direction, the top surface of the reverse rotating shaft sleeve is provided with a reverse ratchet, the lower sleeve shaft is rotatably connected with a reverse ratchet pawl capable of rotating in one direction.

6. The hot-air puffing apparatus for food according to claim 4, wherein The bottom end of the puffing device is rotatably connected with a driving shaft, the puffing device is provided with a driving member, the output shaft of the driving member is connected with the driving shaft through a shaft coupling, the driving shaft and the positive rotating shaft sleeve are connected through a belt drive, and the driving shaft and the reverse rotating shaft sleeve are connected through a belt drive.

7. The food hot-air puffing apparatus according to claim 1, wherein Both ends of the guide rail are vertical sections, the two vertical sections are connected through an arc section, when the auxiliary member is at the lowest point of its movement range, the universal plate is located at the center point of the arc section.

8. The food hot-air puffing apparatus according to claim 1, wherein A plurality of first springs are arranged between the top surface of the adjusting member and the bottom surface of the concave seat, and a plurality of second springs are arranged between the driven member and the rotating disc.

9. The hot-air puffing apparatus for food according to claim 2, wherein The mounting member is provided with a convex seat matched with the groove, the surface of the inner embedded rotating shaft is provided with a third reciprocating groove matched with the convex seat, the surface of the lower sleeve shaft is provided with a first reciprocating groove matched with the adjusting member, and the top of the upper rotating shaft is provided with a second reciprocating groove matched with the auxiliary member.

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