A mixer pot and a vacuum mixer

Abstract

The present application relates to a kind of blender pot and vacuum blender, including " omega " type shell, the bottom of the shell is provided with discharge port at axis, the first material door for plugging discharge port is hinged at discharge port, the first material door is equilateral triangle appearance, first material door is limited by the limiting block being set on shell, satisfy when first material door plugging discharge port, material will be under the action of first material door from low efficiency area slide and be stirred by stirring device, avoid the accumulation of material in low efficiency area, still including the sealing material door being driven to rotate by driving device and being set below first material door, the sealing material door is with the top contact of first material door, satisfy by sealing material door drive first material door rotate around hinged shaft, the sealing strip that sealing material door cooperates sealing is set on the shell, satisfy by sealing material door on the basis of being sealed by first material door plugging material, improve sealing effect, simple and reliable structure.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of mixers, and particularly relates to a mixer pot body and a vacuum mixer. BACKGROUND

[0002] The current vacuum mixer needs to perform vacuumization in the pot body in actual application, so that a negative pressure environment is maintained in the pot body, so as to reduce the air bubbles in the formed concrete material and improve the concrete quality. The vacuum mixer is an effective preparation tool for the preparation of high-performance concrete. However, the existing vacuum mixer has the problems of unsatisfactory sealing effect, unreliable negative pressure state maintained in the pot body, and low product yield. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a mixer pot body and a vacuum mixer, which solve the problems of unsatisfactory sealing effect of the existing pot body and low product yield.

[0004] The above technical purpose of the present application is achieved by the following technical scheme:

[0005] SUMMARY: A mixer pot body, comprising a shell, characterized in that a discharge port is formed in the bottom of the shell, the discharge port is blocked by a first discharge door hinged to the shell, a sealing discharge door driven to rotate by a driving mechanism is arranged below the first discharge door, and the sealing discharge door is in top contact with the first discharge door.

[0006] Preferably, the shell is in the shape of omega, and the discharge port is arranged at the central axis of the shell.

[0007] Preferably, the first discharge door is an isosceles triangular steel structural member, and the side in top contact with the sealing discharge door is an arc-shaped side.

[0008] Preferably, the end in top contact with the first discharge door of the sealing discharge door is arc-shaped.

[0009] Preferably, a limiting block for limiting the first discharge door is arranged on the shell.

[0010] Preferably, a sealing strip for sealing in cooperation with the sealing discharge door is arranged on the shell.

[0011] Preferably, the driving mechanism comprises a hydraulic motor and a rotating shaft driven to rotate by the hydraulic motor, and the rotating shaft is fixedly connected with the sealing discharge door.

[0012] Preferably, a vacuum mixer comprises the pot body according to any one of claims 1-7, and further comprises a negative pressure device for forming a negative pressure in the pot body.

[0013] Preferably, two parallel stirring shafts are hinged on the kettle body, the stirring shafts are provided with shaft sealing structures, and the shaft sealing structures are provided with metal rubber sealing rings matched with the kettle body.

[0014] Preferably, the shaft sealing structure comprises an inner sleeve rotationally connected to the stirring shaft, an outer sleeve rotationally connected to the inner sleeve, a gap cavity left between the inner sleeve and the outer sleeve, a first fixed plate fixedly connected to the inner sleeve, a second fixed plate fixedly connected to the outer sleeve and arranged on the side of the first fixed plate, an elastic sealing plate pressed between the first fixed plate and the second fixed plate, a labyrinth channel left between the first fixed plate and the second fixed plate.

[0015] The present application has the following beneficial effects:

[0016] 1. The present application comprises an "omega" type shell, a discharge port is arranged at the central axis of the bottom of the shell, a first material door for plugging the discharge port is hinged at the discharge port, the first material door has an equilateral triangular shape, the first material door is limited by a limiting block arranged on the shell, so that when the first material door plugs the discharge port, the material will slide from the low efficiency area under the action of the first material door and be stirred by the stirring device, thereby avoiding the accumulation of the material in the low efficiency area and improving the material mixing quality and the yield.

[0017] 2. The present application further comprises a sealing material door driven to rotate by a driving device, the sealing material door is in top contact with the first material door, so that the first material door is driven to rotate around the hinge shaft by the sealing material door, a sealing strip is arranged on the shell and matched with the sealing material door, so that the sealing material door is sealed on the basis of the sealing of the first material door, thereby avoiding the poor sealing effect of one material door and simplifying the structure.

[0018] 3. The present application further comprises an shaft sealing structure, comprising an inner sleeve and an outer sleeve, a gap cavity is arranged between the inner sleeve and the outer sleeve, a first fixed plate is fixedly connected to the inner sleeve, a second fixed plate is fixedly connected to the outer sleeve, an elastic sealing plate is pressed between the two fixed plates, a labyrinth channel is fixedly connected to the outer side of the second fixed plate, and a metal rubber sealing ring is fixedly connected to the shell outside the outer sleeve, so that the invasion of the concrete slurry is effectively reduced, the vacuumization and the maintenance of the negative pressure state in the kettle body are facilitated, and the reliability of the mixer is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the structure view of the present application Figure 1 .

[0020] Figure 2 is the structure view of the present application Figure 2 .

[0021] Figure 3 is a structural view of the application Figure 2 is a partial view in the application.

[0022] Figure 4 is a structural view of the shaft seal of the application.

[0023] In the figure, 1, housing; 2, discharge port; 3, first door; 4, sealing door; 5, arc edge; 6, limiting block; 7, sealing strip; 8, rotating shaft; 9, stirring shaft; 10, metal rubber sealing ring; 11, inner sleeve; 12, outer sleeve; 13, gap cavity; 14, first fixed plate; 15, second fixed plate; 16, sealing plate; 17, cover plate; 18, labyrinth passage. DETAILED DESCRIPTION

[0024] The specific embodiments of the application are further described below in conjunction with the accompanying drawings. Figures 1-4 The specific embodiments of the application are further described below in conjunction with the accompanying drawings.

[0025] Example one, in conjunction with the accompanying drawings Figures 1-3 A mixer pot body, comprising a housing 1, which is pre-provided with a discharge port 2 at the bottom, in this embodiment, the specific position of the discharge port 2 is determined according to the specific shape of the housing 1, so that the material in the housing 1 can be quickly discharged after being stirred, and the discharge port 2 is sealed when it is not needed, the discharge port 2 is matched with a first door 3 hinged on the housing 1, so that the opening and closing of the discharge port 2 can be completed by rotating the first door 3 around its hinge shaft, the first door 3 is pre-provided with a sealing door 4 driven to rotate by a driving mechanism, and the sealing door 4 is matched with the top of the first door 3, so that the rotation of the sealing door 4 can drive the first door 3 to rotate and complete the opening and closing of the discharge port 2, and the housing 1 is pre-provided with a limiting block 6 for limiting the first door 3, so that the discharge port 2 can be completely sealed when the first door 3 is rotated to contact the limiting block 6.

[0026] Example two, based on example one, the structure Figures 1-3A vacuum mixer, which adopts the kettle body in the above-mentioned embodiment one, more specifically, the mixer is a double-shaft type, and the kettle body is preferably used for the kettle body of the double-shaft vacuum mixer, and in the existing double-shaft vacuum mixer, the sealing effect of the kettle body needs to be ensured due to vacuumizing, and the optimal choice is to set the discharge port between the two stirring shafts, to reduce the number of discharge ports to avoid the poor sealing effect leading to the unsatisfactory vacuumizing effect in the kettle body, however, when the discharge port is set at the intermediate position between the two stirring shafts, the materials in a part of the area between the two stirring shafts are rarely affected by the stirring device, causing the materials in this area to accumulate and not participate in the stirring to form a stirring low-efficiency area, affecting the mixing ratio of the materials and reducing the stirring quality, in order to solve the above-mentioned problems, the shell 1 is selected to be "ω" type, and the discharge port 2 is arranged at the central axis of the shell 1, and by default, the shell 1 is arranged to be "ω" type, so that the materials in the kettle body can be fully stirred when two stirring shafts are arranged, and the area of the material low-efficiency area is reduced, and based on the reason of vacuum stirring, in order to reduce the damage to the whole kettle body and avoid the reduction of the sealing property, the discharge port 2 is selected to be arranged at the central axis of the shell 1, which is the best choice, and in order to avoid the materials from accumulating at the first material door 3 during the stirring process, causing the materials at the first material door 3 to not participate in the stirring to form dry material accumulation, the first material door 3 is an isosceles triangular steel structural member, which satisfies that when the first material door 3 cooperates with the limiting block 6 to block the discharge port 2, the included angle of the first material door 3 is fitted with the "ω" bottom shape on the shell 1, so as to ensure that the materials slide to the two stirring areas at the first material door 3, avoiding the accumulation of the materials at the first material door 3;

[0027] By default, one side of the first material door 3 in top contact with the sealing material door 4 is an arc-shaped side 5, and one end of the sealing material door 4 in top contact with the first material door 3 is arc-shaped, so as to facilitate the top contact of the first material door 3 and the sealing material door 4 and ensure the driving of the sealing material door 4 to the first material door 3, in this embodiment, in order to meet the sealing requirement of the vacuum mixer, the shell 1 is provided with a sealing strip 7 cooperating with the sealing material door 4 to seal, by default, the shaft center of the rotating shaft 8 for driving the sealing material door 4 to rotate is coincided with the central axis of the shell 1, so as to satisfy that during the rotation of the sealing material door 4, the sealing strips 7 symmetrically arranged on both sides of the discharge port 2 will not interfere with the sealing material door 4 to reduce the service life of the sealing material door 4, and in this embodiment, when the sealing material door 4 opens the discharge port 2, the sealing material door 4 is satisfied to rotate to the hinged part of the first material door 3, during which process, the first material door 3 will always be in top contact with the sealing material door 4, and with the rotation of the sealing material door 4, the first material door 3 will rotate around its hinged shaft under the action of its own weight and the gravity of the materials, so that the materials slide from the discharge port 2, and during the sliding process of the materials, the part of the sealing material door 4 cooperating with the sealing strip 7 will always be shielded by the back of the first material door 3, so as to avoid the contamination of the sealing material door 4 to reduce the sealing effect.

[0028] Embodiment three, on the basis of embodiment one and embodiment two, combined with the attached Figures 1-4 , the shell 1 is hinged with parallel arranged stirring shaft 9, the shaft sealing structure is provided with the outer sleeve 12 which is rotatably connected with the inner sleeve 11, the inner sleeve 11 and the outer sleeve 12 are provided with the gap cavity 13, the gap cavity 13 is connected with the oil injection machine, the oil injection machine is used for injecting oil into the gap cavity to keep the lubrication between the inner sleeve 11 and the outer sleeve 12, the first fixed plate 14 is fixedly connected with the inner sleeve 11, the second fixed plate 15 is fixedly connected with the outer sleeve 12, the elastic sealing plate 16 is arranged between the first fixed plate 14 and the second fixed plate 15, the sealing plate 16 is in contact with the gap cavity 13, the oil can enter between the first fixed plate 14 and the second fixed plate 15 through the gap cavity 13, the friction between the sealing plate 16 and the first fixed plate 14 is reduced when the first fixed plate 14 rotates with the stirring shaft, the cover plate 17 is fixedly connected with the first fixed plate 14, the labyrinth channel 18 is arranged between the cover plate 17 and the second fixed plate 15, the invasion speed of the slurry is reduced through the labyrinth channel 18, the slurry is blocked by the sealing plate 16, and the invasion of the slurry is further reduced under the action of the oil, the metal rubber sealing ring 10 is arranged outside the outer sleeve 12 and is fixedly connected with the shell 1, the shell 1 and the outer sleeve 12 are sealed by the metal rubber sealing ring 10, and the metal rubber sealing ring 10 has good wear resistance, in the application, the sealing environment in the shell 1 is ensured by the sealing plate 16 and the metal rubber sealing ring 10 arranged at the stirring shaft and the sealing strip 7 and the sealing material door 4 arranged at the discharge port 2, the negative pressure device is communicated with the inside of the shell 1 and is used for pumping air in the shell 1 to form negative pressure, and the negative pressure device is preferably a vacuum pump.

[0029] The above only describes the preferred embodiments of the present application and should not be used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mixer bowl comprising a housing (1), characterized in that The shell (1) is provided with a discharge port (2) at the bottom, the discharge port (2) is matched with a first material door (3) hinged on the shell (1), a sealing material door (4) driven by a driving mechanism is arranged below the first material door (3), the sealing material door (4) is top-touch matched with the first material door (3); The shell (1) is of "ω" type, and the discharge port (2) is arranged at the central axis of the shell (1); The first material door (3) is an isosceles triangular steel structural member, and an arc-shaped side (5) is arranged at the side of the first material door (3) top-touch matched with the sealing material door (4); The sealing material door (4) is arc-shaped at the end top-touch matched with the first material door (3); The shell (1) is provided with a limiting block (6) for limiting the first material door (3); The shell (1) is provided with a sealing strip (7) matched with the sealing material door (4) for sealing; The first material door (3) is always in top-touch matched state with the sealing material door (4), and the first material door (3) rotates around the hinge shaft under the action of gravity and gravity of the material, so that the material slides from the discharge port (2), and the part of the sealing material door (4) matched with the sealing strip (7) is always shielded by the back of the first material door (3) in the process of sliding of the material.

2. The blender pitcher of claim 1, wherein, The driving mechanism comprises a hydraulic motor and a rotating shaft (8) driven by the hydraulic motor, and the rotating shaft (8) is fixedly connected with the sealing material door (4).

3. A vacuum mixer characterized by, The pot body comprises the pot body and a negative pressure device arranged for forming negative pressure in the pot body.

4. The vacuum mixer of claim 3, wherein, The shell (1) is hinged with two parallel arranged stirring shafts (9), the stirring shaft (9) is provided with a shaft sealing structure, and the shaft sealing structure is provided with a metal rubber sealing ring (10) fixedly connected with the shell (1).

5. The vacuum mixer of claim 4, wherein, The shaft sealing structure comprises an inner sleeve (11) rotationally connected with the stirring shaft (9), an outer sleeve (12) rotationally connected with the inner sleeve (11), a gap cavity (13) left between the inner sleeve (11) and the outer sleeve (12), a first fixed plate (14) fixedly connected with the inner sleeve (11), a second fixed plate (15) fixedly connected with the outer sleeve (12) and arranged at the side of the first fixed plate (14), a sealing plate (16) of elasticity arranged between the first fixed plate (14) and the second fixed plate (15), the sealing plate (16) being in contact communication with the gap cavity (13), a cover plate (17) fixedly connected with the first fixed plate (14), and a labyrinth channel (18) left between the cover plate (17) and the second fixed plate (15).

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