A flour feeding device for preparing soft bread

Abstract

The present invention belongs to the technical field of soft bread processing, and discloses a flour feeding device for preparing soft bread, including a feeding box and a feeding mechanism, wherein a feeding assembly is rotatably provided inside the feeding box, and a baffle located below the feeding assembly is fixed inside the feeding box. The present invention avoids too much flour from accumulating on the top of the feeding device when feeding flour, and at the same time utilizes the filter cloth sleeve in the processing assembly and the elastically connected adapter head and sleeve plate, utilizes the intake pressure in the dust filtering process, and cooperates with the negative pressure suction effect of reciprocating start and stop, so that the adapter head repeatedly moves up and down, thereby acting on the filter cloth sleeve, realizing self-vibration, actively shaking off and separating the filtered flour, realizing flour suction and dust reduction, and also realizing self-cleaning to avoid blockage, and at the same time, when shaking off the filtered flour, the shaken dust is quickly dropped into the feeding box, which has high efficiency of dust reduction and realizes self-clearing and collection and storage of filtered flying flour dust.

Description

Technical Field

[0001] The invention belongs to the technical field of soft bread processing, in particular to a flour feeding device for preparing soft bread. Background Art

[0002] The flour feeding device for soft bread preparation is a device specially used to feed flour quantitatively and accurately into bread making equipment. It is usually used in bread production lines to ensure that the amount of flour fed is accurate and stable, thereby improving the production efficiency and quality of bread.

[0003] The flour feeding device for preparing soft bread in the prior art usually adopts a manual or mechanical pouring method to feed bagged flour into the feeding device during use, and after a certain amount of flour is stored in the feeding device, a feeding mechanism is used to perform quantitative and uniform feeding downwards. However, during the initial flour pouring process, part of the flour flies up and fills the environment above the feeding device, affecting the feeding air and causing certain waste. Currently, a dust removal mechanism is used for suction filtration. However, on the one hand, the filtered flour accumulates in the filter bag and is difficult to clean, and the flour in the filter bag needs to be recycled by adding cleaning and transfer steps, otherwise there will be a certain amount of waste, the actual cleaning and transfer operations are troublesome, the collection utilization rate of the flying flour is low, and the use effect is not good. Summary of the invention

[0004] The object of the present invention is to provide a flour feeding device for preparing soft bread, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical scheme: a flour feeding device for preparing soft bread, comprising a feeding box and a feeding mechanism, a feeding assembly is rotatably provided inside the feeding box, a baffle is fixedly provided inside the feeding box and is located below the feeding assembly, a processing assembly is provided between the baffle and the inner wall of the feeding box, one end of the processing assembly is upward, and the other end is horizontally sleeved on the inner wall of the feeding box, a composite suction assembly is provided on the outer side of the feeding box, a flip assembly and a sealing protection assembly are respectively provided on the left side and the top of the feeding box, the flip assembly is meshed and connected with the feeding assembly, the composite suction assembly has two suction ends, and the two suction ends are respectively connected with the processing assembly and the flip assembly,

[0006] The processing assembly includes a guide suction frame, a filter cloth sleeve, an intermediate frame, a sleeve plate, an adapter head and a spring.

[0007] The feeding component comprises a feeding arc cylinder, a cross feeding port, a suction hole, a rotating shaft and a gear, and the processing component sucks the flour floating above the feeding component upward through the suction hole.

[0008] Preferably, the feeding mechanism is fixed to the bottom of the feeding box, and a symmetrical sealing plate is fixed to the top of the feeding box.

[0009] Preferably, the feeding arc cylinder is rotatably sleeved in the feeding box, the rotating shaft is fixed at both ends of the feeding arc cylinder, the rotating shaft is rotatably installed on both sides of the feeding box, the gear is fixedly sleeved on the outer surface of a rotating shaft and is located on the outside of the feeding box, the cross feeding port is opened at the bottom of the feeding arc cylinder, the suction holes are opened on both sides of the outer surface of the feeding arc cylinder, and the sealing plate is located below the position between the suction hole and the cross feeding port.

[0010] Preferably, the filter cloth sleeve is fixedly connected to the top of the guide suction frame and faces the suction hole, the middle frame is fixedly sleeved in the guide suction frame, the sleeve plate is movably sleeved in the middle frame, and the upper end is fixedly connected to the adapter head, the adapter head is located at the bottom of the filter cloth sleeve and contacts with the filter cloth sleeve, one end of the spring is fixedly connected to the adapter head, and the other end is fixed to the top of the middle frame.

[0011] Preferably, the composite suction assembly includes a vacuum pump, a control valve, a connecting frame and an intermediate pipe. The connecting frame is symmetrically distributed on the outer surface of the feeding box and is connected to the guide suction frame. The vacuum pump is fixed to the outer side of the feeding box through a support plate. The control valve has two suction ends. The air outlet end of the control valve is connected to the vacuum pump. The intermediate pipe is fixedly connected between the two connecting frames. The intermediate pipe is connected to one suction end of the control valve, and the other suction end of the control valve is connected to the flip assembly.

[0012] Preferably, the flip assembly includes a tooth plate, a connecting rod, a sleeve, a mounting block, a spring 2 and a suction pipe, the tooth plate is meshingly connected to the gear, the mounting block is fixed at one end of the sleeve, and the mounting block is fixed to the outside of the feeding box, one end of the connecting rod is fixedly connected to the tooth plate, and the other end is movably sleeved in the sleeve, one end of the spring 2 is fixed in the sleeve, and the other end is fixedly connected to the connecting rod, the spring 2 is sleeved on the outside of the connecting rod, one end of the suction pipe is fixedly connected and communicated with the sleeve, and the other end is communicated with the other suction end of the control valve, and the front side of the mounting block is provided with a through hole communicated with the sleeve.

[0013] Preferably, the sealing protection assembly includes an arc plate and a curved rod, the arc plate is located above the feeding box and on the rotation path of the feeding arc cylinder, the curved rod is symmetrically distributed on both sides of the arc plate, one end of the curved rod is fixedly connected to the arc plate, and the other end is elastically connected to the outside of the feeding box, and when the feeding arc cylinder rotates upward, the arc plate is pushed and compressed on the outer surface of the feeding arc cylinder.

[0014] Preferably, the sealing protection assembly also includes an assembly sleeve and a spring three, wherein the assembly sleeve is fixed on the outer side of the feeding box, one end of the spring three is fixed in the assembly sleeve, and the other end is fixedly connected to the bent rod, and the lower end of the bent rod is movably sleeved in the assembly sleeve.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The present invention utilizes the cooperation of the composite suction component and the processing component and the rotatable feeding component. When the flour is poured, the composite suction component is started so that the processing component sucks air from the limited space above toward the feeding component, thereby realizing the suction of the flying flour along the suction holes inclined on both sides, realizing dust reduction treatment, and avoiding too much flour gathering on the top of the feeding device when the flour is fed. At the same time, the filter cloth sleeve in the processing component and the elastically connected adapter head and sleeve plate are utilized, and the air intake pressure in the dust filtering process is utilized, and the negative pressure suction effect of reciprocating start and stop is coordinated, so that the adapter head repeatedly moves up and down, thereby acting on the filter cloth sleeve to realize self-vibration, and the filtered flour is actively shaken off and separated, so that the flour is sucked in and dust is reduced, and self-cleaning is realized to avoid blockage. At the same time, when the filtered flour is shaken off, the shaken dust is quickly dropped into the feeding box, which has high dust reduction and realizes self-cleaning and collects and stores the filtered flying flour dust.

[0017] 2. The present invention utilizes the suction effect of the composite suction component again, and inhales air toward the inside of the flip component after reversing, thereby realizing the lateral movement of the flip component, thereby driving the rotation of the feeding component, and then utilizing the positioned sealing plate and sealing protection component to realize automatic sealing of the feeding component after flipping, maintain the sealed storage of the feeding box after feeding, and facilitate subsequent quantitative feeding processing. In fact, there is no need to add additional sealing equipment, and automatic sealing can be realized quickly, with good use effect.

[0018] 3. The present invention utilizes the lateral pushing effect of the flipping assembly again, cooperates with the elastically installed sealing protection assembly, and as the feeding assembly is controlled to flip upward, the sealing protection assembly is automatically pushed upward along an arc trajectory. After the feeding assembly is rotated and positioned, the elastic sealing protection assembly is pressed downward to seal the cross feeding port, thereby strengthening the sealing treatment. At the same time, when the flour explodes after high temperature inside the feeding box, the sealing protection assembly is pushed upward by the action of air pressure, and the cross feeding port is quickly opened to realize automatic pressure relief, thereby completing the enhanced sealing and realizing explosion-proof treatment, and the use safety is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a cross-sectional schematic diagram of the present invention;

[0021] Figure 3 It is a cross-sectional schematic diagram of the feeding assembly and the feeding box of the present invention;

[0022] Figure 4 It is a cross-sectional schematic diagram of the feeding box of the present invention;

[0023] Figure 5 It is a schematic diagram of the engagement of the feeding assembly and the flipping assembly of the present invention;

[0024] Figure 6 is a cross-sectional schematic diagram of a processing assembly of the present invention;

[0025] Figure 7 It is a schematic diagram of the connection between the composite suction component and the flip component of the present invention;

[0026] Figure 8 It is a cross-sectional schematic diagram of the flip assembly of the present invention;

[0027] Fig. 9 It is a schematic diagram of the explosion of the sealing protection component of the present invention.

[0028] In the figure: 1. feeding box; 2. unloading mechanism; 3. feeding assembly; 31. feeding arc tube; 32. cross feeding port; 33. suction hole; 34. rotating shaft; 35. gear; 4. baffle; 5. processing assembly; 51. guiding suction frame; 52. filter cloth sleeve; 53. middle frame; 54. sleeve plate; 55. adapter head; 56. spring one; 6. compound suction assembly; 61. vacuum pump; 62. control valve; 63. connecting frame; 64. middle pipe; 7. flip assembly; 71. tooth plate; 72. connecting rod; 73. sleeve; 74. mounting block; 75. spring two; 76. suction pipe; 8. sealing protection assembly; 81. arc plate; 82. assembly set; 83. bent rod; 84. spring three; 9. sealing plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figures 1 to 9As shown, the embodiment of the present invention provides a flour feeding device for preparing soft bread, including a feeding box 1 and a feeding mechanism 2, a feeding assembly 3 is rotatably provided inside the feeding box 1, a baffle 4 is fixedly provided inside the feeding box 1 and is located below the feeding assembly 3, a processing assembly 5 is provided between the baffle 4 and the inner wall of the feeding box 1, one end of the processing assembly 5 is upward, and the other end is horizontally sleeved on the inner wall of the feeding box 1, a composite suction assembly 6 is provided on the outer side of the feeding box 1, a flip assembly 7 and a sealing protection assembly 8 are respectively provided on the left side and the top of the feeding box 1, the flip assembly 7 is meshed and connected with the feeding assembly 3, the composite suction assembly 6 has two suction ends, and the two suction ends are respectively connected with the processing assembly 5 and the flip assembly 7,

[0031] The processing assembly 5 includes a guide suction frame 51, a filter cloth sleeve 52, an intermediate frame 53, a sleeve plate 54, an adapter head 55 and a spring 56.

[0032] The feeding assembly 3 includes a feeding arc tube 31 , a cross feeding port 32 , a suction hole 33 , a rotating shaft 34 and a gear 35 . The processing assembly 5 sucks the flour floating above the feeding assembly 3 upward through the suction hole 33 .

[0033] Embodiment 1: Flour is poured along the top of the feeding box 1, and the composite suction component 6 is started at the same time, the vacuum pump 61 is started, so that the control valve 62 controls the suction direction, and air is sucked toward the inside of the processing component 5 through the intermediate pipe 64 and the connecting frame 63, and the processing component 5 is tilted upward through the suction hole 33 to absorb the air above the feeding component 3. As the flour is poured into the feeding arc cylinder 31 of the feeding component 3, most of the flour falls downward along the arc surface and the cross feeding port 32 and is temporarily stored in the feeding box 1, and part of the flour flies. The dust is then sucked into the treatment assembly 5 on the inner side of the baffle 4 through the suction hole 33, and the dust is adsorbed and filtered on the top of the filter cloth sleeve 52. The air is drawn out along the guide suction frame 51. When more and more dust accumulates on the surface of the filter cloth sleeve 52, the air pressure acting on the filter cloth sleeve 52 increases, and compresses and pushes the adapter head 55 downward, causing the sleeve plate 54 to move downward and compress the spring 1 56. At this time, the start and stop of the vacuum pump 61 is intermittently controlled. When the suction stops, the air pressure acting on the top of the filter cloth sleeve 52 decreases, the spring 1 56 elastically resets, and pushes the filter cloth sleeve upward. 52, the previously compressed and deformed filter cloth sleeve 52 is deformed upward and reset, and under the deformation, the flour on the top of the filter cloth sleeve 52 is separated along the arc surface, completing self-cleaning, completing the adsorption and automatic separation of the flying flour dust, and automatically dropping into the feeding box 1; after the flour replenishment is completed, the operation of the composite suction component 6 is maintained, so that the control valve 62 is actuated, the suction direction is switched, and the vacuum pump 61 sucks the gas in the sleeve 73 in the flip component 7 through the suction pipe 76, and the internal air pressure of the sleeve 73 is reduced, and the front of the mounting block 74 is matched. The through hole causes an air pressure difference to appear on both sides of one end of the connecting rod 72, and the connecting rod 72 moves, compressing the spring 2 75, and driving the tooth plate 71 to move horizontally, so that the meshing gear 35 rotates, thereby rotating the rotating shaft 34, controlling the rotation of the feeding arc tube 31, so that the feeding arc tube 31 flips upward, and the suction hole 33 is aligned and sealed with the sealing plate 9, and the cross feeding port 32 moves upward to just below the sealing protection component 8 to achieve sealing, and the feeding mechanism 2 in the feeding box 1 is started to feed the stored flour quantitatively and at a uniform speed.

[0034] Firstly, by utilizing the cooperation of the composite suction component 6 and the processing component 5, and utilizing the rotatable feeding component 3, when the flour is poured in, the composite suction component 6 is started, so that the processing component 5 sucks air from the limited space above toward the feeding component 3, thereby realizing the suction of the flying flour along the suction holes 33 inclined on both sides, realizing dust reduction treatment, and avoiding too much flour from accumulating on the top of the feeding device when the flour is fed in. At the same time, utilizing the filter cloth sleeve 52 in the processing component 5 and the elastically connected adapter head 55 and sleeve plate 54, utilizing the intake pressure in the dust filtering process, and cooperating with the negative pressure suction effect of reciprocating start and stop, the adapter head 55 repeatedly moves up and down, thereby acting on the filter cloth sleeve 52, realizing self-vibration, actively shaking off and separating the filtered flour, realizing the suction and dust reduction of flour, and also realizing self-cleaning to avoid blockage. At the same time, when shaking off the filtered flour, the shaken dust is quickly dropped into the feeding box 1, which has high dust reduction and realizes self-cleaning and collects and stores the filtered flying flour dust.

[0035] In addition, by utilizing the suction effect of the composite suction component 6 again and sucking air toward the inside of the flip component 7 after reversing, the lateral movement of the flip component 7 is realized, thereby driving the rotation of the feeding component 3, and then utilizing the positioned sealing plate 9 and the sealing protection component 8 to realize automatic sealing of the feeding component 3 after flipping, maintain the sealed storage of the feeding box 1 after feeding, and facilitate the subsequent quantitative feeding processing. In fact, there is no need to add additional sealing equipment, and automatic sealing can be achieved quickly, with good use effect.

[0036] The feeding mechanism 2 is fixed to the bottom of the feeding box 1 , and a symmetrical sealing plate 9 is fixed to the top of the feeding box 1 .

[0037] The bottom discharging is achieved by utilizing the existing feeding mechanism 2. The feeding mechanism 2 is composed of a spiral feeding mechanism, and can also be composed of other existing quantitative feeding structures. The feeding arc tube 31 is rotatably sleeved in the feeding box 1, and the rotating shaft 34 is fixed at both ends of the feeding arc tube 31. The rotating shaft 34 is rotatably installed on both sides of the feeding box 1. The gear 35 is fixedly sleeved on the outer surface of a rotating shaft 34 and is located on the outside of the feeding box 1. The cross feeding port 32 is opened at the bottom of the feeding arc tube 31, and the suction holes 33 are opened on both sides of the outer surface of the feeding arc tube 31. The sealing plate 9 is located below the position between the suction hole 33 and the cross feeding port 32.

[0038] The feeding component 3 realizes the feeding of flour, which is guided downward into the feeding box 1 through the cross feeding port 32. The inlet is limited in a manner so that the flour falling into the feeding box 1 will not be quickly filled up, reducing the impact of concentrated falling and further preventing the flour from being lifted up. The suction hole 33 is located on the side to facilitate the concentrated suction and collection of the lifted flour in cooperation with the suction effect below. The sealing plate 9 relatively separates the space inside the feeding box 1 to prevent the processing component 5 from directly sucking the flour in the feeding box 1.

[0039] Among them, the filter cloth sleeve 52 is fixedly connected to the top of the guide suction frame 51 and faces the suction hole 33, the middle frame 53 is fixedly sleeved in the guide suction frame 51, the sleeve plate 54 is movably sleeved in the middle frame 53, and the upper end is fixedly connected to the adapter head 55, the adapter head 55 is located at the lower part of the filter cloth sleeve 52 and contacts with the filter cloth sleeve 52, one end of the spring 56 is fixedly connected to the adapter head 55, and the other end is fixed to the top of the middle frame 53.

[0040] The filter cloth cover 52 is supported and pushed up by the adapter head 55, keeping the top as an arc surface, expanding the suction and filtration area, and at the same time facilitating the filtering flour to fall and detach from both sides. The elasticity of the spring 56, under the negative pressure suction of the gap, cooperates with the adsorption pressure when the top of the filter cloth cover 52 is blocked, to achieve reciprocating up and down vibration, realize the reciprocating push of the filter cloth cover 52, and realize vibration treatment.

[0041] The composite suction assembly 6 includes a vacuum pump 61, a control valve 62, a connecting frame 63 and an intermediate pipe 64. The connecting frame 63 is symmetrically distributed on the outer surface of the feeding box 1 and is connected to the guide suction frame 51. The vacuum pump 61 is fixed to the outer side of the feeding box 1 through a support plate. The control valve 62 has two suction ends. The air outlet end of the control valve 62 is connected to the vacuum pump 61. The intermediate pipe 64 is fixedly connected between the two connecting frames 63. The intermediate pipe 64 is connected to one suction end of the control valve 62. The other suction end of the control valve 62 is connected to the flip assembly 7. The flip assembly 7 includes a tooth plate 71, a connecting rod 72, a sleeve 73, and an installation Block 74, spring 2 75 and suction pipe 76, the tooth plate 71 is meshed with the gear 35, the mounting block 74 is fixed at one end of the sleeve 73, and the mounting block 74 is fixed to the outside of the feeding box 1, one end of the connecting rod 72 is fixedly connected to the tooth plate 71, and the other end is movably sleeved in the sleeve 73, one end of the spring 2 75 is fixed in the sleeve 73, and the other end is fixedly connected to the connecting rod 72, the spring 2 75 is sleeved on the outside of the connecting rod 72, one end of the suction pipe 76 is fixedly connected and communicated with the sleeve 73, and the other end is communicated with the other suction end of the control valve 62, and a through hole communicating with the sleeve 73 is provided on the front side of the mounting block 74.

[0042] The composite suction component 6 provides a vacuum suction effect, and cooperates with the reversing effect of the control valve 62 to achieve different working conditions. When sucking toward the processing component 5, it provides suction power to complete filtering and collection. When connected with the flip component 7 for suction, it controls the lateral movement of the connecting rod 72 to achieve the pushing and flipping of the feeding component 3. The spring 2 75 is convenient for resetting when the negative pressure is removed to achieve reverse flipping. The through hole is used to achieve normal pressure on the outside of one end of the connecting rod 72, and cooperate with the negative pressure on the other side to achieve a pressure difference and maintain the pushing effect.

[0043] Among them, the sealing protection component 8 includes an arc plate 81 and a curved rod 83. The arc plate 81 is located above the feeding box 1 and on the rotation path of the feeding arc tube 31. The curved rod 83 is symmetrically distributed on both sides of the arc plate 81. One end of the curved rod 83 is fixedly connected to the arc plate 81, and the other end is elastically connected to the outside of the feeding box 1. When the feeding arc tube 31 rotates upward, the arc plate 81 is pushed and the arc plate 81 is compressed on the outer surface of the feeding arc tube 31. The sealing protection component 8 also includes an assembly sleeve 82 and a spring three 84. The assembly sleeve 82 is fixed on the outer surface of the feeding box 1. One end of the spring three 84 is fixed in the assembly sleeve 82, and the other end is fixedly connected to the curved rod 83. The lower end of the curved rod 83 is movably sleeved in the assembly sleeve 82.

[0044] The sealing protection component 8 and the sealing plate 9 realize the sealing treatment after the feeding component 3 is turned over, and cooperate with the spring three 84 in the sealing protection component 8 to elastically open the cross feeding port 32 upward when an internal explosion occurs, thereby realizing pressure relief treatment and completing explosion-proof treatment.

[0045] Embodiment 2: When the flour inside the feeding box 1 is poured into the feeding box 1 and the feeding assembly 3 is flipped upward, the feeding arc tube 31 rotates upward and squeezes the arc plate 81 in the sealing protection assembly 8, so that the arc plate 81 and the curved rod 83 are elastically displaced upward by the elasticity of the spring three 84, and the rotation position of the feeding arc tube 31 is reserved. The feeding arc tube 31 continues to rotate upward to the top and stops moving. Under the elastic action of the spring three 84, the arc plate 81 is pressed downward and tightly attached to the top of the cross feeding port 32 to complete the sealing; and when the suspended flour in the feeding box 1 explodes due to heat, the internal air pressure increases and pushes the arc plate 81 upward through the cross feeding port 32 to overcome the pressure of the spring three 84, open the cross feeding port 32, and realize top pressure relief and explosion prevention.

[0046] Firstly, by utilizing the lateral pushing effect of the flipping assembly 7 again, in cooperation with the elastically installed sealing protection assembly 8, as the feeding assembly 3 is controlled to flip upward, the sealing protection assembly 8 is automatically pushed upward in an arc trajectory, and after the feeding assembly 3 is rotated and positioned, the elastic sealing protection assembly 8 is pressed downward to seal the cross feeding port 32 to strengthen the sealing treatment. At the same time, when the flour explodes after high temperature inside the feeding box 1, the sealing protection assembly 8 is pushed upward under the action of air pressure to quickly open the cross feeding port 32 to realize automatic pressure relief, thereby completing the enhanced sealing and realizing explosion-proof treatment, and having high safety in use.

[0047] The working principle and use process of the present invention are as follows: when in use, flour is poured along the top of the feeding box 1, and the composite suction component 6 is started at the same time, the vacuum pump 61 is started, so that the control valve 62 controls the suction direction, and the air is sucked toward the inside of the processing component 5 through the intermediate pipe 64 and the connecting frame 63, and the processing component 5 is tilted upward through the suction hole 33 to absorb the air above the feeding component 3. As the flour is poured into the feeding arc cylinder 31 of the feeding component 3, most of the flour falls downward along the arc surface and the cross feeding port 32 and is temporarily stored in the feeding box 1, and part of the flour flies and is sucked into the processing component 5 on the inner side of the baffle 4 through the suction hole 33, and the flour dust is adsorbed and filtered on the top of the filter cloth sleeve 52, and the air is sucked along the guide The frame 51 is pulled out, and as more and more flour and dust accumulate on the surface of the filter cloth sleeve 52, the air pressure acting on the filter cloth sleeve 52 increases, and compresses and pushes the adapter head 55 downward, causing the sleeve plate 54 to move downward and compress the spring 1 56. At this time, the start and stop of the vacuum pump 61 is intermittently controlled. When the suction stops, the air pressure acting on the top of the filter cloth sleeve 52 decreases, and the spring 1 56 elastically resets and pushes the filter cloth sleeve 52 upward. The previously compressed and deformed filter cloth sleeve 52 is deformed and reset upward, and under the deformation, the flour on the top of the filter cloth sleeve 52 is separated along the arc surface, completing self-cleaning, completing the adsorption and automatic separation of the flying flour and dust, and automatically dropping into the feeding box 1; after the flour replenishment is completed, the operation of the composite suction component 6 is maintained so that the control valve 62 is actuated. The vacuum pump 61 sucks the gas in the sleeve 73 in the flip assembly 7 through the suction pipe 76, and the internal air pressure in the sleeve 73 is reduced. The through hole on the front side of the mounting block 74 cooperates to cause an air pressure difference on both sides of one end of the connecting rod 72, and causes the connecting rod 72 to move, compressing the spring 2 75 and driving the tooth plate 71 to move horizontally, so that the meshing gear 35 rotates, thereby causing the rotating shaft 34 to rotate, controlling the rotation of the feeding arc tube 31, causing the feeding arc tube 31 to flip upward, and the suction hole 33 is aligned and sealed with the sealing plate 9, and the cross feeding port 32 moves upward to the bottom of the sealing protection assembly 8 to achieve sealing, and then the unloading mechanism 2 in the feeding box 1 is started to feed the stored flour quantitatively and at a uniform speed. That's it; when the flour inside the feeding box 1 is poured into the flour, and the feeding assembly 3 is flipped upward, the feeding arc tube 31 rotates upward and squeezes the arc plate 81 in the sealing protection assembly 8, so that the arc plate 81 and the curved rod 83 are elastically displaced upward by the elasticity of the spring three 84, reserving the rotation position of the feeding arc tube 31, and the feeding arc tube 31 continues to rotate upward to the top and stops moving. Under the elastic action of the spring three 84, the arc plate 81 is pressed downward and attached to the top of the cross feeding port 32 to complete the sealing; and when the suspended flour in the feeding box 1 explodes due to heat, the internal air pressure increases, and pushes the arc plate 81 upward through the cross feeding port 32 to overcome the pressure of the spring three 84, open the cross feeding port 32, and realize top pressure relief and explosion prevention.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flour feeding device for preparing soft bread, comprising a feeding box (1) and a feeding mechanism (2), characterized in that: A feeding assembly (3) is rotatably provided inside the feeding box (1), a baffle (4) is fixedly provided inside the feeding box (1) and is located below the feeding assembly (3), a processing assembly (5) is provided between the baffle (4) and the inner wall of the feeding box (1), one end of the processing assembly (5) is upward, and the other end is horizontally sleeved on the inner wall of the feeding box (1), a composite suction assembly (6) is provided on the outer side of the feeding box (1), a flip assembly (7) and a sealing protection assembly (8) are respectively provided on the left side and the top of the feeding box (1), the flip assembly (7) is meshingly connected with the feeding assembly (3), and the composite suction assembly (6) has two suction ends, which are respectively connected to the processing assembly (5) and the flip assembly (7). The processing assembly (5) comprises a guide suction frame (51), a filter cloth sleeve (52), an intermediate frame (53), a sleeve plate (54), an adapter head (55) and a spring 1 (56). The feeding component (3) comprises a feeding arc cylinder (31), a cross feeding port (32), a suction hole (33), a rotating shaft (34) and a gear (35), and the processing component (5) sucks flour floating above the feeding component (3) upward through the suction hole (33); The feeding mechanism (2) is fixed to the bottom of the feeding box (1), and a symmetrical sealing plate (9) is fixed to the top of the feeding box (1); The feeding arc tube (31) is rotatably sleeved in the feeding box (1), the rotating shaft (34) is fixed at both ends of the feeding arc tube (31), the rotating shaft (34) is rotatably mounted on both sides of the feeding box (1), the gear (35) is fixedly sleeved on the outer surface of a rotating shaft (34) and is located outside the feeding box (1), the cross feeding port (32) is opened at the bottom of the feeding arc tube (31), the suction hole (33) is opened on both sides of the outer surface of the feeding arc tube (31), and the sealing plate (9) is located below the position between the suction hole (33) and the cross feeding port (32); The filter cloth sleeve (52) is fixedly connected to the top of the guide suction frame (51) and faces the suction hole (33); the middle frame (53) is fixedly sleeved in the guide suction frame (51); the sleeve plate (54) is movably sleeved in the middle frame (53) and its upper end is fixedly connected to the adapter head (55); the adapter head (55) is located at the lower part of the filter cloth sleeve (52) and contacts the filter cloth sleeve (52); one end of the spring (56) is fixedly connected to the adapter head (55) and the other end is fixed to the top of the middle frame (53); The composite suction assembly (6) comprises a vacuum pump (61), a control valve (62), a connecting frame (63) and an intermediate pipe (64); the connecting frame (63) is symmetrically distributed on the outer side of the feeding box (1) and is connected to the guide suction frame (51); the vacuum pump (61) is fixed to the outer side of the feeding box (1) via a support plate; the control valve (62) has two suction ends; the air outlet end of the control valve (62) is connected to the vacuum pump (61); the intermediate pipe (64) is fixedly connected between the two connecting frames (63); the intermediate pipe (64) is connected to one suction end of the control valve (62); and the other suction end of the control valve (62) is connected to the flip assembly (7); The turnover assembly (7) comprises a tooth plate (71), a connecting rod (72), a sleeve (73), a mounting block (74), a second spring (75) and a suction pipe (76); the tooth plate (71) is meshedly connected with the gear (35); the mounting block (74) is fixed to one end of the sleeve (73), and the mounting block (74) is fixed to the outside of the feeding box (1); one end of the connecting rod (72) is fixedly connected to the tooth plate (71), and the other end is movably sleeved in the sleeve (73); one end of the second spring (75) is fixed in the sleeve (73), and the other end is fixedly connected to the connecting rod (72); the second spring (75) is sleeved on the outside of the connecting rod (72); one end of the suction pipe (76) is fixedly connected to and communicated with the sleeve (73), and the other end is communicated with the other suction end of the control valve (62); and a through hole communicating with the sleeve (73) is provided on the front of the mounting block (74); The sealing protection assembly (8) comprises an arc plate (81) and a curved rod (83), wherein the arc plate (81) is located above the feeding box (1) and on the rotation path of the feeding arc cylinder (31), and the curved rod (83) is symmetrically distributed on both sides of the arc plate (81), one end of the curved rod (83) is fixedly connected to the arc plate (81), and the other end is elastically connected to the outside of the feeding box (1), and when the feeding arc cylinder (31) rotates upward, the arc plate (81) is pushed and the arc plate (81) is compressed on the outer surface of the feeding arc cylinder (31); The sealing protection assembly (8) further comprises an assembly sleeve (82) and a spring three (84); the assembly sleeve (82) is fixed to the outer surface of the feeding box (1); one end of the spring three (84) is fixed in the assembly sleeve (82) and the other end is fixedly connected to a bent rod (83); the lower end of the bent rod (83) is movably sleeved in the assembly sleeve (82).

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