CN217988971U

CN217988971U - High-efficient material-saving double-shaft mixer of maintaining

Info

Publication number: CN217988971U
Application number: CN202222359919.2U
Authority: CN
Inventors: 甘奕霖
Original assignee: Liyang Huichang Feed Machinery Co ltd
Current assignee: Liyang Huichang Feed Machinery Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-09
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a field of mixer, especially, relate to a high-efficient maintenance festival material double-shaft mixer, which comprises a frame, be provided with the stirring storehouse in the frame, feed inlet and discharge gate have been seted up on the stirring storehouse, it is provided with two (mixing) shafts to rotate in the stirring storehouse, the (mixing) shaft is including the stirring portion that is used for stirring the material and the connecting portion that are used for connecting drive assembly, stirring portion sets up in the stirring storehouse, connecting portion extend the stirring storehouse and are connected with drive assembly, the both ends of stirring portion are provided with first connecting block, the one end that connecting portion are close to stirring portion is provided with the second connecting block, first connecting block and second connecting block cooperation are used, be provided with the mounting that is used for connecting first connecting block and second connecting block on the first connecting block. This application has the effect that improves mixer cleaning performance.

Description

High-efficient material-saving double-shaft mixer of maintaining

Technical Field

The application relates to the field of mixers, in particular to a high-efficiency maintenance material-saving double-shaft mixer.

Background

The blender is used for stirring and mixing a plurality of raw materials to form a mixture or to achieve a proper consistency.

Among the correlation technique, double-shaft mixer includes the frame, is equipped with the stirring storehouse in the frame, is equipped with feed inlet and discharge gate on the stirring storehouse, rotates in the stirring storehouse and is provided with two relative (mixing) shafts, is equipped with in the frame to be used for driving two stirring portion pivoted drive assembly, and the (mixing) shaft is including the stirring portion that is used for stirring the material and the connecting portion that are used for connecting drive assembly, stirring portion and connecting portion fixed connection, and stirring portion sets up in the stirring storehouse, and connecting portion extend the stirring storehouse and are connected with drive assembly.

When the mixer is cleaned, the worker injects water into the mixing bin and drives the mixing shaft to rotate so as to clean the mixing bin and the mixing shaft.

In view of the above-mentioned related technologies, the inventor believes that the stirring shaft is cleaned in the stirring chamber, and there are corners which cannot be cleaned, and the cleaning effect of the stirrer needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the cleaning performance of mixer, this application provides a material-saving double-shaft mixer is maintained to high efficiency.

The application provides a pair of high-efficient material-saving double-shaft mixer of maintaining adopts following technical scheme:

the utility model provides a high-efficient maintenance festival material double-shaft mixer, includes the frame, is provided with the stirring storehouse in the frame, has seted up feed inlet and discharge gate on the stirring storehouse, rotates in the stirring storehouse and is provided with two (mixing) shafts, (mixing) shafts are including the stirring portion that is used for stirring the material and the connecting portion that are used for connecting drive assembly, and stirring portion sets up in the stirring storehouse, and connecting portion extend the stirring storehouse and are connected with drive assembly, the both ends of stirring portion are provided with first connecting block, the one end that connecting portion are close to the stirring portion is provided with the second connecting block, first connecting block and second connecting block cooperation are used, be provided with the mounting that is used for connecting first connecting block and second connecting block on the first connecting block.

By adopting the technical scheme, the fixing piece is disassembled, the first connecting block and the second connecting block are separated, so that the stirring part is separated from the connecting part, and then the stirring part is taken out from the feeding port by a worker by using a tool; after the stirring part is taken out, the worker can deeply clean the stirring part, so that the cleaning effect of the stirring part is improved, and the cleaning effect of the stirrer is improved; after the stirring part is deeply cleaned, materials are not easy to accumulate on the stirring part, so that the stirring part is not easy to damage, and the stirring part is maintained; meanwhile, the stirring part which is adhered with the materials is easier to adhere with the materials than the clean stirring part, so that the clean stirring part can reduce the adhesion of the materials, reduce the waste of the materials and play a role in saving the materials.

Optionally, the fixing part is a fixing screw, the fixing screw penetrates through the first connecting block and the second connecting block simultaneously, each thread at two ends of the fixing screw is connected with a fixing nut, the fixing nut at one end of the fixing screw is abutted against the first connecting block, and the fixing nut at the other end of the fixing screw is abutted against the second connecting block.

Through adopting above-mentioned technical scheme, the staff uses the instrument to rotate two fixation nut to breaking away from clamping screw, then takes off clamping screw from first connecting block and second connecting block to the dismantlement of stirring portion has been realized.

Optionally, a limiting hole is formed in the first connecting block, a limiting post is arranged on the second connecting block, and the limiting post penetrates through the limiting hole.

Through adopting above-mentioned technical scheme, spacing post and spacing hole cooperation are used, have improved the joint strength between first connecting block and the second connecting block to improve the joint strength between stirring portion and the connecting portion, and then improved the stability when stirring portion rotates.

Optionally, an observation through groove is formed in the side wall of the stirring bin, an observation window is arranged on the side wall of the stirring bin, and the observation window is located at an opening of the observation through groove.

Through adopting above-mentioned technical scheme, the condition in the stirring storehouse is observed to staff's accessible observation window, when observing the condition that appears needing to solve in the stirring storehouse, the staff can in time control drive assembly drive (mixing) shaft stall to overhaul stirring storehouse inside.

Optionally, the discharge gate is located the bottom surface in stirring storehouse, be provided with on the bottom surface in stirring storehouse and open and close the board, open and close the diapire rotation connection in board and stirring storehouse.

Through adopting above-mentioned technical scheme, because the action of gravity, the vertical downstream of material compares in the discharge gate is located the other positions in stirring the storehouse, and the discharge gate is located the ejection of compact of being convenient for on the bottom surface in stirring the storehouse, and the staff rotates to open and close the board and make the material discharge, and the staff rotates to close to open and close and limits the material in stirring the storehouse after the board.

Optionally, be provided with the runner assembly on the board of opening and close, the runner assembly includes telescopic cylinder, connecting plate and bracing piece, telescopic cylinder sets up in the frame, the connecting plate includes initiative plate body and passive plate body, the one end of initiative plate body and telescopic cylinder's piston rod rotate to be connected, the other end fixedly connected with connecting axle of initiative plate body, the both ends of connecting axle rotate with two mounting panels respectively and are connected, the one end and the connecting axle fixed connection of passive plate body, the other end and the bracing piece of passive plate body rotate to be connected, the bracing piece is kept away from the one end of passive plate body and is opened and close the board and rotate to be connected.

Through adopting above-mentioned technical scheme, telescopic cylinder drive initiative plate body rotates, drives passive plate body and rotates, drives the bracing piece and rotates for the one end that passive plate body was kept away from to the bracing piece drives the one end rotation of opening and close the board towards the discharge gate, in order to realize opening and close the board automatic opening and close, has improved the degree of automation of mixer.

Optionally, be provided with the protection casing on the diapire in stirring storehouse, the protection casing is located the frame, passive plate body and bracing piece all are located the protection casing.

By adopting the technical scheme, the protective cover is arranged to protect the passive plate body and the supporting rod, so that the possibility of attaching dust or other impurities on the passive plate body and the supporting rod is reduced, and the rotating effect between the passive plate body and the supporting rod is not easily influenced.

Optionally, the bin outlet has been seted up on the week lateral wall of protection casing, be provided with the stock guide in the frame, the interior wall connection of stock guide length direction's both ends and frame, the stock guide slope sets up, one side of stock guide width direction is close to bin outlet open-ended least significant end, the opposite side of stock guide width direction and the one side butt of opening and close the board and keeping away from the discharge gate that rotates after the state of opening, the one end that the stock guide is close to the bin outlet is the least significant end.

Through adopting above-mentioned technical scheme, open and close the board and open the back, the stock guide makes the material remove to discharge outlet department along the direction of stock guide, and the staff needn't collect the material from the bottom in stirring storehouse, and the staff can be in discharge outlet department collection material, can carry out the material collection in the protection casing outside, and is easy and simple to handle, has improved the efficiency of gathering materials.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fixing piece is disassembled, the first connecting block and the second connecting block are separated, so that the stirring part is separated from the connecting part, and then the stirring part is taken out from the feeding port by using a tool by a worker; after the stirring part is taken out, the worker can deeply clean the stirring part, so that the cleaning effect of the stirring part is improved, and the cleaning effect of the stirrer is improved; after the stirring part is deeply cleaned, materials are not easy to accumulate on the stirring part, so that the stirring part is not easy to damage, and the stirring part is maintained; meanwhile, the stirring part which is adhered with the materials is more easily adhered with the materials than a clean stirring part, so that the clean stirring part can reduce the adhesion of the materials, reduce the waste of the materials and play a role in saving the materials;

2. the limiting column is matched with the limiting hole, so that the connecting strength between the first connecting block and the second connecting block is improved, the connecting strength between the stirring part and the connecting part is improved, and the stability of the stirring part during rotation is improved;

3. after the opening and closing plate is opened, the stock guide makes the material remove to discharge opening department along the direction of stock guide, and the staff needn't collect the material from the bottom in stirring storehouse, and the staff can be in discharge opening department collection material, can carry out the material collection in the protection casing outside, and is easy and simple to handle, has improved the efficiency of gathering materials.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency maintenance material-saving double-shaft mixer according to an embodiment of the present application.

FIG. 2 is a schematic view showing the structure of the stirring shaft in the embodiment of the present application.

Fig. 3 is a schematic structural view for showing the limiting column and the limiting hole in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a rotating assembly in the embodiment of the present application.

Fig. 5 is a schematic structural view for showing a material guide plate in an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. mounting a plate; 2. a stirring bin; 21. a feed inlet; 22. a discharge port; 23. a dust cover; 24. a closure panel; 25. a stirring shaft; 251. a stirring section; 2511. a stirring rod; 2512. a paddle; 252. a connecting portion; 2521. a connecting rod; 26. a drive assembly; 261. rotating the motor; 2611. a mounting frame; 262. a gear set; 2621. a driving gear; 2622. a driven gear; 2623. a tension gear; 263. a chain; 3. a first connection block; 31. a limiting hole; 4. a second connecting block; 41. a limiting column; 5. fixing the screw rod; 51. fixing a nut; 6. observing the through groove; 61. an observation window; 62. a telescopic rod; 7. a rotating assembly; 71. a telescopic cylinder; 72. a connecting plate; 721. an active plate body; 722. a passive plate body; 73. a support bar; 74. a connecting shaft; 8. a protective cover; 81. a protection plate; 811. a discharge outlet; 9. a material guide plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a material-saving double-shaft mixer is maintained to high efficiency. Referring to fig. 1 and 2, the efficient maintenance material-saving double-shaft mixer comprises a frame 1, wherein the frame 1 comprises two oppositely arranged mounting plates 11, the two mounting plates 11 are vertically arranged, a mixing bin 2 is fixedly mounted at the top of the frame 1, and the bottom surface of the mixing bin 2 is fixedly connected with the top surfaces of the two mounting plates 11. A feed inlet 21 and a discharge outlet 22 are formed in the stirring bin 2, the feed inlet 21 is positioned on the top surface of the stirring bin 2, the discharge outlet 22 is positioned on the bottom surface of the stirring bin 2, a dustproof cover 23 is covered on the top surface of the stirring bin 2, and the dustproof cover 23 is positioned at the opening of the feed inlet 21; the bottom surface of the stirring bin 2 is provided with an opening and closing plate 24, the opening and closing plate 24 is positioned at the opening of the discharge hole 22, and the opening and closing plate 24 is rotatably connected with the bottom surface of the stirring bin 2. Two stirring shafts 25 for stirring materials are rotatably arranged in the stirring bin 2, and the two stirring shafts 25 are arranged in parallel. The stirring bin 2 is provided with a driving assembly 26 for driving the stirring shaft 25 to rotate.

Open the back with shield 23, because the action of gravity, the vertical downstream of material, compare in other positions that discharge gate 22 is located stirring storehouse 2, discharge gate 22 is located the ejection of compact of being convenient for on the bottom surface of stirring storehouse 2, during the stirring, open shield 23, add the material of treating the stirring from feed inlet 21 in to stirring storehouse 2, drive assembly 26 drive (mixing) shaft 25 stirring material, then make the opening and closing plate 24 rotate to keeping away from discharge gate 22, thereby the material is discharged outside stirring storehouse 2 from discharge gate 22.

Referring to fig. 1 and 2, the stirring shaft 25 includes a stirring portion 251 for stirring the material and a connecting portion 252 for connecting the driving assembly 26, the stirring portion 251 is disposed in the stirring bin 2, the stirring portion 251 includes a stirring rod 2511 and a plurality of blades 2512 fixedly connected to the stirring rod 2511, and the blades 2512 on each stirring rod 2511 are staggered at the intersection; connecting portion 252 on (mixing) shaft 25 includes two connecting rods 2521, and two connecting rods 2521 are located the both ends of puddler 2511 respectively, and the one end of connecting rod 2521 is located stirring storehouse 2, and the other end of connecting rod 2521 is located outside stirring storehouse 2, and the one end that connecting rod 2521 is located stirring storehouse 2 can be dismantled with puddler 2511 and be connected, and the one end that connecting rod 2521 is located stirring storehouse 2 is connected with drive assembly 26.

Referring to fig. 1 and 2, the driving assembly 26 includes a rotary motor 261, a gear train 262, and a chain 263; the gear train 262 includes a drive gear 2621, a driven gear 2622 and a tension gear 2623; a mounting rack 2611 is arranged beside the rack 1, and the rotating motor 261 is arranged on the mounting rack 2611; the driving gear 2621 and the pivot fixed connection who rotates motor 261, driven gear 2622 and the one end fixed connection that the connecting rod 2521 is located outside stirring storehouse 2, and chain 263 all meshes with driving gear 2621, driven gear 2622, tensioning gear 2623, and chain 263 drives two driven gear 2622 and rotates towards opposite direction. The rotating motor 261 is started, the rotating motor 261 drives the driving gear 2621 to rotate, the driven gear 2622 is driven to rotate, the connecting rod 2521 is driven to rotate, and the stirring rod 2511 is driven to rotate, so that the stirring part 251 stirs the materials.

Referring to fig. 3, each first connecting block 3 of fixedly connected with in both ends of puddler 2511, connecting rod 2521 is close to second connecting block 4 of one end fixedly connected with of puddler 2511, first connecting block 3 and the cooperation of second connecting block 4 are used, install clamping screw 5 on the first connecting block 3, clamping screw 5 passes first connecting block 3 and second connecting block 4 simultaneously, each threaded connection in both ends of clamping screw 5 has a fixation nut 51, the fixation nut 51 and the 3 butt of first connecting block of 5 one ends of clamping screw, the fixation nut 51 and the 4 butt of second connecting block of the other end of clamping screw 5. Spacing hole 31 has been seted up towards first connecting block 3 on the one side of second connecting block 4, and second connecting block 4 is equipped with spacing post 41 towards fixed mounting on the one side of first connecting block 3, and spacing post 41 is worn to locate in the spacing hole 31. Spacing post 41 and spacing hole 31 cooperation are used, have improved the joint strength between first connecting block 3 and the second connecting block 4 to improve the joint strength between stirring portion 251 and connecting portion 252, and then improved the stability when stirring portion 251 rotates.

The worker firstly opens the dust cover 23, then uses a tool to rotate the two fixing nuts 51 to be separated from the fixing screws 5, then takes the fixing screws 5 off the first connecting block 3 and the second connecting block 4, separates the first connecting block 3 from the second connecting block 4, separates the stirring rod 2511 from the connecting rod 2521, and then uses the tool to take out the stirring part 251 from the feed port 21 by the worker; after the stirring part 251 is taken out, the worker can deeply clean the stirring part 251, so that the cleaning effect of the stirring part 251 is improved, and the cleaning effect of the stirrer is improved; after the stirring part 251 is deeply cleaned, materials are not easy to accumulate on the stirring part 251, so that the stirring part 251 is not easy to damage, and the stirring part 251 is maintained; meanwhile, the stirring part 251 which is adhered with the materials is easier to adhere the materials than the clean stirring part 251, so that the clean stirring part 251 can reduce the adhesion of the materials, the waste of the materials is reduced, and the effect of saving the materials is achieved.

Referring to fig. 1 and 2, having seted up on the lateral wall at 2 tops in the stirring storehouse and having observed logical groove 6, observing logical groove 6 department installs transparent observation window 61, and staff's accessible observation window 61 observes the circumstances in the stirring storehouse 2, when observing the circumstances that appears needing to solve in the stirring storehouse 2, and the staff can in time control drive assembly 26 drive (mixing) shaft 25 stall to open shield 23 and overhaul stirring storehouse 2 insides. The top of observation window 61 and the lateral wall of stirring storehouse 2 rotate to be connected, and an expansion link 62 is respectively installed at observation window 61 length direction's both ends, and the one end of expansion link 62 and the lateral wall of stirring storehouse 2 rotate to be connected, and the other end of expansion link 62 and the bottom of observation window 61 rotate to be connected. When observing the condition that needs in time to solve appearing in stirring storehouse 2, can directly open observation window 61 and overhaul according to actual conditions.

Referring to fig. 4, a rotating assembly 7 is disposed on the opening and closing plate 24, the rotating assembly 7 includes a telescopic cylinder 71, a connecting plate 72 and a supporting rod 73, the telescopic cylinder 71 is fixedly mounted on an outer side wall of the mounting plate 11, the connecting plate 72 includes an active plate 721 and a passive plate 722, the active plate 721 is mounted on the outer side wall of the mounting plate 11, the passive plate 722 is located between the two mounting plates 11, in this embodiment, there are four passive plates 722, one end of the active plate 721 is hinged to a piston rod of the telescopic cylinder 71, the other end of the active plate 721 is fixedly connected to a connecting shaft 74, the connecting shaft 74 passes through the two mounting plates 11, two ends of the connecting shaft 74 are respectively rotatably connected to the two mounting plates 11, one end of the passive plate 722 is fixedly connected to the connecting shaft 74, the other end of the passive plate 722 is hinged to the supporting rod 73, and one end of the supporting rod 73, which is far away from the passive plate 722, is hinged to the opening and closing plate 24.

The telescopic cylinder 71 drives the driving plate 721 to rotate, so as to drive the driven plate 722 to rotate, and drive the supporting rod 73 to rotate, so that the end of the supporting rod 73 far away from the driven plate 722 drives the opening and closing plate 24 to rotate towards the end of the discharge hole 22, so as to realize the automatic opening and closing of the opening and closing plate 24, and improve the automation degree of the mixer.

Referring to fig. 2 and 5, a protective cover 8 is fixedly mounted on the bottom wall of the stirring bin 2, the protective cover 8 is located between the two mounting plates 11, the protective cover 8 comprises two protective plates 81, the two protective plates 81 are respectively located at two ends of the rack 1 in the length direction, and the passive plate body 722 and the support rod 73 are located between the two protective plates 81. The protective cover 8 protects the passive plate 722 and the support rod 73, so that the possibility that dust or other impurities are attached to the passive plate 722 and the support rod 73 is reduced, and the rotating effect between the passive plate 722 and the support rod 73 is not easily affected.

Referring to fig. 2 and 5, a material outlet 811 is formed in the protection plate 81 on the side away from the connection plate 72, a material guide plate 9 is fixedly mounted on the mounting plate 11, and two ends of the material guide plate 9 in the length direction are fixedly connected with the surfaces of the two mounting plates 11, which are close to each other; the material guide plate 9 is obliquely arranged, and one side of the material guide plate 9 in the width direction is close to the lowest end of the discharge port 811 and is the lowest side; the other side of the material guiding plate 9 in the width direction abuts against the side of the opening and closing plate 24 which is rotated to the opening state and is far away from the material outlet 22, and the side is the highest side.

After the opening and closing plate 24 is opened, the materials are discharged to the material guide plate 9 through the material outlet 22 from the stirring bin 2, the material guide plate 9 enables the materials to move to the material outlet 811 along the direction of the material guide plate 9, so that the materials are discharged out of the stirring machine, and finally the materials are collected by workers outside the protection plate 81, so that the operation is simple and convenient, and the material collecting efficiency is improved.

The implementation principle of this application embodiment a material-saving double-shaft mixer is maintained to high efficiency does: when stirring the material, open shield 23, the staff feeds into stirring storehouse 2 from feed inlet 21, starts rotation motor 261, and drive stirring portion 251 stirs the material, then starts telescopic cylinder 71, and drive openable and closable plate 24 is opened, makes the material remove to the stock guide 9 from discharge gate 22 on to remove to bin outlet 811 department along stock guide 9, thereby the material is discharged outside the mixer, collects the material by the staff outside guard plate 81 at last.

When disassembling the stirring shaft 25, the worker opens the dust cap 23 first, then uses a tool to rotate the two fixing nuts 51 to disengage the fixing screw 5, then takes the fixing screw 5 off the first connecting block 3 and the second connecting block 4, separates the stirring rod 2511 from the connecting rod 2521, and then uses a tool to take out the stirring part 251 from the feed port 21 by the worker.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-efficient maintenance festival material double-shaft mixer, which comprises a frame (1), be provided with stirring storehouse (2) in frame (1), feed inlet (21) and discharge gate (22) have been seted up on stirring storehouse (2), it is provided with two (mixing) shaft (25) to rotate in stirring storehouse (2), connecting portion (252) that (mixing) shaft (25) are including stirring portion (251) that are used for stirring the material and are used for connecting drive assembly (26), stirring portion (251) set up in stirring storehouse (2), connecting portion (252) extend stirring storehouse (2) and are connected with drive assembly (26), its characterized in that: the two ends of the stirring part (251) are provided with first connecting blocks (3), one end, close to the stirring part (251), of the connecting part (252) is provided with a second connecting block (4), the first connecting block (3) and the second connecting block (4) are matched for use, and a fixing part used for connecting the first connecting block (3) and the second connecting block (4) is arranged on the first connecting block (3).

2. The high efficiency maintenance material-saving double-shaft mixer according to claim 1, wherein: the mounting is clamping screw (5), clamping screw (5) pass first connecting block (3) and second connecting block (4) simultaneously, each threaded connection in both ends of clamping screw (5) has a fixation nut (51), fixation nut (51) and first connecting block (3) butt of clamping screw (5) one end, fixation nut (51) and second connecting block (4) butt of clamping screw (5) the other end.

3. The high efficiency maintenance material-saving double-shaft mixer according to claim 1, characterized in that: the first connecting block (3) is provided with a limiting hole (31), the second connecting block (4) is provided with a limiting column (41), and the limiting column (41) penetrates through the limiting hole (31).

4. The high efficiency maintenance material-saving double-shaft mixer according to claim 1, wherein: the lateral wall of the stirring bin (2) is provided with an observation through groove (6), the lateral wall of the stirring bin (2) is provided with an observation window (61), and the observation window (61) is positioned at the opening of the observation through groove (6).

5. The high efficiency maintenance material-saving double-shaft mixer according to claim 1, wherein: discharge gate (22) are located the bottom surface in stirring storehouse (2), be provided with on the bottom surface in stirring storehouse (2) and open and close board (24), open and close the diapire rotation connection of board (24) and stirring storehouse (2).

6. The high efficiency maintenance material saving double-shaft mixer according to claim 5, characterized in that: be provided with rotating assembly (7) on opening and close board (24), rotating assembly (7) are including telescopic cylinder (71), connecting plate (72) and bracing piece (73), telescopic cylinder (71) set up on frame (1), connecting plate (72) are including initiative plate body (721) and passive plate body (722), the one end of initiative plate body (721) and the piston rod of telescopic cylinder (71) rotate to be connected, the other end fixedly connected with connecting axle (74) of initiative plate body (721), the both ends of connecting axle (74) rotate with two mounting panels (11) respectively to be connected, the one end and the connecting axle (74) fixed connection of passive plate body (722), the other end and the bracing piece (73) of passive plate body (722) rotate to be connected, the one end of passive plate body (722) is kept away from in bracing piece (73) and open and close board (24) and rotate to be connected.

7. The high efficiency maintenance material-saving double-shaft mixer according to claim 6, wherein: be provided with protection casing (8) on the diapire in stirring storehouse (2), protection casing (8) are located frame (1), passive plate body (722) and bracing piece (73) all are located protection casing (8).

8. The high efficiency maintenance material-saving double-shaft mixer according to claim 7, wherein: discharge gate (811) have been seted up on the week lateral wall of protection casing (8), be provided with stock guide (9) on frame (1), the both ends of stock guide (9) length direction and the interior wall connection of frame (1), stock guide (9) slope sets up, stock guide (9) width direction's one side is close to discharge gate (811) open-ended least significant end, stock guide (9) width direction's opposite side and the rotation are kept away from the one side butt of discharge gate (22) to opening and close board (24) after the state, stock guide (9) are close to the one end of discharge gate (811) and are the least significant end.