CN102935663B - Discharge door device for double-horizontal shaft mixer - Google Patents
Discharge door device for double-horizontal shaft mixer Download PDFInfo
- Publication number
- CN102935663B CN102935663B CN201210528412.3A CN201210528412A CN102935663B CN 102935663 B CN102935663 B CN 102935663B CN 201210528412 A CN201210528412 A CN 201210528412A CN 102935663 B CN102935663 B CN 102935663B
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- door
- set square
- discharge door
- twin
- plate
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Abstract
The invention discloses a discharge door device for a double-horizontal shaft mixer, which comprises a driving transmission mechanism, a discharge door body and a door lining plate, wherein the driving transmission mechanism comprises a driving part, a rocker and a connecting rod; the driving part is articulated with one end of the rocker; the rocker is rotatably arranged on the side wall of the double-horizontal shaft mixer; the other end of the rocker is articulated with one end of the connecting rod; the discharge door body comprises a door plate, a main set square, side set squares, a discharge door main shaft and a support rotating short shaft, and the two side set squares are available and are respectively fixed at the two ends of the door plate; the main set square is fixed in the door plate; the discharge door main shaft passes through the main set square and the side set squares; one end of the discharge door main shaft is articulated with the other end of the connecting rod; the support rotating short shaft passes through the side set squares; and the door lining plate is fixed at the outer side of the door plate. The discharge door device for the double-horizontal shaft mixer is capable of eliminating the dead area during mixing, guarantees all the material to be stirred and mixed, and guarantees material gradation not to deviate from design gradation, thus improving the concrete mixing quality as well as easily opening a discharge door and cleaning in time after power failure.
Description
Technical field
The utility model belongs to concrete mixer technical field, specifically relates to a kind of twin-shaft mixer discharge door mechanism.
Background technology
Twin-shaft mixer is a kind of forced mixer, has the advantages such as mixing quality is good, production efficiency is high, strong adaptability, be widely used at present in the industry such as various water conservancies, road, bridge and civil building engineering, and be extremely important construction equipment.Dump gate is as one of critical component of twin-shaft mixer, and its quality directly has influence on the production efficiency of twin-shaft mixer, concrete product quality, equipment life and employee's personal safety.The discharge door mechanism of existing twin-shaft mixer is all arranged on the bottom of mixer cylindrical shell, discharging opening rotary seal with the two circular groove shape cylinders of mixer bottom, mainly by drive unit (oil cylinder) 20, discharge door 21, Dump gate main shaft 23 and arc liner plate 24 4 part compositions (as shown in Figure 1), wherein the upper plate of discharge door 21 is arc, arc liner plate 24 is fixedly mounted on the arc of discharge door 21, discharge door 21 is arranged on Dump gate main shaft 23, the rotation centerline of Dump gate main shaft 23 is located under the symmetrical centre of two circular groove shape cylinder bottom discharge mouths, rolling bearing units are set on Dump gate main shaft and are arranged on bearing installing plate, bearing installing plate is fixed on twin-shaft mixer sidewall, on Dump gate main shaft, be also provided with rocking arm 25, rocking arm 25 is fixed on Dump gate main shaft 23, oil cylinder is hinged on twin-shaft mixer sidewall and is hinged with rocking arm 25, shaking arm 25 by the telescopic band of control oil cylinder rotates, thereby drive Dump gate main shaft 23 to rotate, and then regulate the rotational angle of discharge door 21 to carry out opening and closing.The feature of this version is the arc of discharge door and the cylindrical wedging at the two circular groove shape cylinder discharging openings of mixer place, although there is so good sealing effectiveness, but in the time of twin-shaft mixer stirring work, it is the place that stirring vane cannot be stirred to that arc liner plate 24 tops exist a larger panel region, this panel region is exactly the stirring dead band 22 of twin-shaft mixer, what stir dead band 22 interior storages is all the initial material while initially feeding intake, do not participate in being uniformly mixed effect, so not only change the grating of mixing and stirring of material design, reduce concrete mixing quality, and when having stirred after discharging, the material that stirs dead band 22 is incorporated in the concrete being stirred, reduce again concrete mixing quality, concrete mixing quality is had a strong impact on, and then affect construction quality.In the time that workplace occurs to have a power failure, the sealing wedging mode of this Dump gate, is difficult to manual unlocking discharge door 21, can not clean out in time the material in mixer, and material is deposited in for a long time and in mixer, will causes caking, causes the present situation that the later stage cannot clear up.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of twin-shaft mixer discharge door mechanism is provided, it is simple in structure, reasonable in design and use easy to operate, can eliminate the stirring dead band that existing discharge door mechanism brings, ensure that material can all participate in being uniformly mixed, realize the not off-design grating of material grating that participates in stirring, thereby improve concrete mixing quality, manual unlocking Dump gate like a cork after having a power failure, can be cleared up twin-shaft mixer in time.
For achieving the above object, the technical solution adopted in the utility model is: a kind of twin-shaft mixer discharge door mechanism, it is characterized in that: comprise drive transmission device, discharge door and door lining, described drive transmission device comprises actuator, rocking bar and connecting rod, described actuator is hydraulic jack or cylinder, one end of described actuator is fixed on twin-shaft mixer sidewall by base, the other end of described actuator and one end of rocking bar are hinged, described rocking bar is rotatably installed on twin-shaft mixer sidewall by bearing pin, the other end of described rocking bar and one end of connecting rod are hinged, described discharge door comprises door-plate, main set square, side set square, Dump gate main shaft and support rotation minor axis, the shape of cross section of described door-plate is inverted v-shaped, the quantity of described side set square is two, on described side set square, have the second through hole and third through-hole, two described side set squares are separately fixed at the two ends of door-plate, on described main set square, have the first through hole, described main set square is fixed in door-plate, described Dump gate main shaft is through the second through hole and the first through hole and all fixing with main set square and side set square, one end of described Dump gate main shaft and the other end of connecting rod are hinged, the quantity of described support rotation minor axis is two, two described support rotation minor axises pass respectively the third through-hole on two side set squares and fix with side set square, described support rotation short sleeve is connected on the rolling bearing units that are fixed on twin-shaft mixer sidewall, the quantity of described door lining is polylith, described door lining is fixed on the outside of door-plate by screw bolt and nut.
Above-mentioned a kind of twin-shaft mixer discharge door mechanism, it is characterized in that: and rocking bar one end that described actuator is connected is AB section apart from the distance between bearing pin, and rocking bar one end that described connecting rod is connected is CB section apart from the distance between bearing pin, and the length of described AB section is greater than the length of CB section.
Above-mentioned a kind of twin-shaft mixer discharge door mechanism, is characterized in that: two described side set squares are welded on respectively the two ends of door-plate, and described main set square is welded in door-plate.
Above-mentioned a kind of twin-shaft mixer discharge door mechanism, is characterized in that: the quantity of described main set square is polylith, and main set square evenly arranges described in polylith.
Above-mentioned a kind of twin-shaft mixer discharge door mechanism, it is characterized in that: described Dump gate main shaft passes the second through hole and the first through hole and all welds with main set square and side set square, two described supports rotation minor axises pass respectively the third through-hole on two side set squares and weld with side set square.
Above-mentioned a kind of twin-shaft mixer discharge door mechanism, is characterized in that: described door lining be shaped as rectangle.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design and use easy to operate.
2, the open and close of the utility model discharge door mechanism be no longer around be arranged on two circular groove shape cylinder bottom discharge mouths symmetrical centre under the Dump gate main shaft rotation located, and then the seal form of ordering about the arc of discharge door and the cylindrical wedging at the two circular groove shape cylinder discharging openings of mixer place, but adopt a side that the pivot of Dump gate is placed on to discharging opening, replace original arc with inverted v-shaped door-plate again, can be good at like this eliminating the stirring dead band that original structure brings.
3, the utility model is fixedly mounted on the door lining of being made up of high-abrasive material on door-plate, for the protection of door-plate, extends the service life of door-plate.
4, the utility model utilizes quadric chain actuator (hydraulic jack or cylinder) to be placed on the top twin-shaft mixer sidewall of discharge door, simple in structure, compact, be convenient to observe and maintenance, by length and the hinged fixed position of regulating connecting rod, particularly the Length Ratio of rocking bar two sections (being AB section and CB section), makes actuator provide less power just Dump gate can be closed to good seal; Due to Dump gate required power required power when opening in the time closing, so make full use of the design feature that actuator thrust is greater than pulling force, in the time that the piston rod of actuator extends, Dump gate is closed, and so more meets economy and applicability.
5, the utility model in use, in the time that workplace occurs to have a power failure, because having self-locking property guarantee Dump gate, can automatically not open actuator, guarantee staff's safety, by after actuator release, because Dump gate is subject to the Action of Gravity Field of material, so manually just can open easily Dump gate, can clean out in time the material in mixer, prevent that material is deposited in caking in mixer for a long time, causes the present situation that cannot clear up.
6, the utility model can ensure that material can all participate in being uniformly mixed, and realizes the not off-design grating of material grating that participates in stirring, thereby has improved concrete mixing quality.
Below by drawings and Examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of existing twin-shaft mixer discharge door mechanism.
Fig. 2 is the annexation schematic diagram of the utility model discharge door and door lining.
Fig. 3 is the explosion figure of Fig. 2.
Fig. 4 is that the utility model is arranged on the use state diagram on twin-shaft mixer.
Description of reference numerals:
1-bolt; 2-door lining; 3-nut;
4-Dump gate main shaft; 5-1-main set square; 5-11-the first through hole;
5-2-side set square; 5-21-the second through hole; 5-22-third through-hole;
6-support and rotate minor axis; 7-door-plate; 8-actuator;
9-discharge door; 10-connecting rod; 11-rocking bar;
12-twin-shaft mixer sidewall; 13-bearing pin; 20-drive unit;
21-discharge door; 22-stirring dead band; 23-Dump gate main shaft;
24-arc liner plate; 25-rocking arm.
Detailed description of the invention
As shown in Figures 2 to 4, the utility model comprises drive transmission device, discharge door 9 and door lining 2, described drive transmission device comprises actuator 8, rocking bar 11 and connecting rod 10, described actuator 8 is hydraulic jack or cylinder, one end of described actuator 8 is fixed on twin-shaft mixer sidewall 12 by base, one end of the other end of described actuator 8 and rocking bar 11 is hinged, described rocking bar 11 is rotatably installed on twin-shaft mixer sidewall 12 by bearing pin 13, and one end of the other end of described rocking bar 11 and connecting rod 10 is hinged, described discharge door 9 comprises door-plate 7, main set square 5-1, side set square 5-2, Dump gate main shaft 4 and support rotation minor axis 6, the shape of cross section of described door-plate 7 is inverted v-shaped, the quantity of described side set square 5-2 is two, on described side set square 5-2, have the second through hole 5-21 and third through-hole 5-22, two described side set square 5-2 are separately fixed at the two ends of door-plate 7, on described main set square 5-1, have the first through hole 5-11, described main set square 5-1 is fixed in door-plate 7, described Dump gate main shaft 4 is through the second through hole 5-21 and the first through hole 5-11 and all fixing with main set square 5-1 and side set square 5-2, the other end of one end of described Dump gate main shaft 4 and connecting rod 10 is hinged, the quantity of described support rotation minor axis 6 is two, two described support rotation minor axises 6 pass respectively the third through-hole 5-22 on two side set square 5-2 and fix with side set square 5-2, described support rotation minor axis 6 is socketed on the rolling bearing units that are fixed on twin-shaft mixer sidewall 12, the quantity of described door lining 2 is polylith, described door lining 2 is fixed on the outside of door-plate 7 by bolt 1 and nut 3.
As shown in Figure 4, preferred, and rocking bar 11 one end that described actuator 8 is connected are AB section apart from the distance between bearing pin 13, and rocking bar 11 one end that described connecting rod 10 is connected are CB section apart from the distance between bearing pin 13, the length of described AB section is greater than the length of CB section.In the present embodiment, rocking bar 11, connecting rod 10, discharge door 9 and twin-shaft mixer sidewall 12 form one four linkage repeatedly, in the time that the length of AB section is greater than the length of CB section, this mechanism is one laborsaving four linkage repeatedly, can reduce the power of actuator 8 required outputs, make like this actuator 8 provide a less power just Dump gate can be closed closely, more meet economy and applicability.In concrete manufacturing process according to the width of Dump gate with stir dead band size, first determine Dump gate main shaft 4 and support the distance between rotation minor axis 6, then according to two limiting conditions of the opening and closing of Dump gate, determine that again discharge door 9 is around the angle that supports the 6 required rotations of rotation minor axis, determine the relation between this three of length of position, connecting rod 10 and CB section of bearing pin 13 by adjusting more afterwards, can realize discharge door 9 around supporting the required rotational angle of rotation minor axis 6.
In the present embodiment, two described side set square 5-2 are welded on respectively the two ends of door-plate 7, and described main set square 5-1 is welded in door-plate 7; Main set square 5-1 and side set square 5-2 all coordinate and are welded on door-plate 7 with door-plate 7, and pass the second through hole 5-21 and the first through hole 5-11 and be welded and fixed with main set square 5-1 and side set square 5-2 by Dump gate main shaft 4, can strengthen preferably like this rigidity of door-plate 7, ensure that Dump gate has good sealing in the time closing, and ensured that discharge door 9 has longer service life.
As shown in Figure 3, the quantity of described main set square 5-1 is polylith, and main set square 5-1 evenly arranges described in polylith.
In the present embodiment, described Dump gate main shaft 4 passes the second through hole 5-21 and the first through hole 5-11 and all welds with main set square 5-1 and side set square 5-2, and two described supports rotation minor axises 6 pass respectively the third through-hole 5-22 on two side set square 5-2 and weld with side set square 5-2.
As shown in Figures 2 and 3; described door lining 2 be shaped as rectangle, door lining 2 belongs to consumable accessory, adopts high-abrasive material to make; door lining 2 is on the surface of door-plate 7; also be to stir in material movement process the Dump gate fierce region that rubs when stirring vane, door lining 2 is to protect door-plate 7, uses after a period of time; in the time that door lining 2 wearing and tearing are severe or destroy; only need to change door lining 2, without integral replacing, thereby increased service life of discharge door 9.
In conjunction with Fig. 4, operation principle of the present utility model is: when use, supporting rotation minor axis 6 is arranged on twin-shaft mixer sidewall 12 by rolling bearing units, the open and close of Dump gate are by driving Dump gate main shaft 4 to drive whole discharge door 9 to rotate around supporting rotation minor axis 6, thereby realize the opening and closing of bin gate.State in Fig. 4 when the utility model discharge door mechanism complete shut-down represents with solid line, state in Fig. 4 when the utility model discharge door mechanism standard-sized sheet dots, actuator 8 carrys out drive rocker 11 by the elongation of piston rod and rotates around bearing pin 13, rocking bar 11 orders about connecting rod 10 again and moves right, connecting rod 10 and then promotion discharge door 9 rotate up and close Dump gate around support rotation minor axis 6, in the time that Dump gate is in closed condition, this discharge door mechanism has occupied the stirring dead band of original Dump gate, thereby eliminate well this stirring dead band, improved mixing quality.Power required while closing due to Dump gate is larger, so make full use of the design feature that hydraulic jack thrust is greater than pulling force, closes Dump gate by the thrust of hydraulic jack; In the time that workplace occurs to have a power failure, can be by hydraulic jack release, Dump gate just can be opened like a cork like this, cleans out in time the material in mixer, prevents that material is deposited in caking in mixer for a long time, causes the present situation that cannot clear up.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (6)
1. a twin-shaft mixer discharge door mechanism, it is characterized in that: comprise drive transmission device, discharge door (9) and door lining (2), described drive transmission device comprises actuator (8), rocking bar (11) and connecting rod (10), described actuator (8) is hydraulic jack or cylinder, one end of described actuator (8) is fixed on twin-shaft mixer sidewall (12) by base, one end of the other end of described actuator (8) and rocking bar (11) is hinged, described rocking bar (11) is rotatably installed on twin-shaft mixer sidewall (12) by bearing pin (13), one end of the other end of described rocking bar (11) and connecting rod (10) is hinged, described discharge door (9) comprises door-plate (7), main set square (5-1), side set square (5-2), Dump gate main shaft (4) and support rotation minor axis (6), the shape of cross section of described door-plate (7) is inverted v-shaped, the quantity of described side set square (5-2) is two, on described side set square (5-2), have the second through hole (5-21) and third through-hole (5-22), two described side set squares (5-2) are separately fixed at the two ends of door-plate (7), on described main set square (5-1), have the first through hole (5-11), described main set square (5-1) is fixed in door-plate (7), described Dump gate main shaft (4) is through the second through hole (5-21) and the first through hole (5-11) and all fixing with main set square (5-1) and side set square (5-2), the other end of one end of described Dump gate main shaft (4) and connecting rod (10) is hinged, the quantity of described support rotation minor axis (6) is two, two described support rotation minor axises (6) are respectively through the third through-hole (5-22) on two side set squares (5-2) and fixing with side set square (5-2), described support rotation minor axis (6) is socketed on the rolling bearing units that are fixed on twin-shaft mixer sidewall (12), the quantity of described door lining (2) is polylith, described door lining (2) is fixed on the outside of door-plate (7) by bolt (1) and nut (3).
2. according to a kind of twin-shaft mixer discharge door mechanism claimed in claim 1, it is characterized in that: and rocking bar (11) one end that described actuator (8) is connected is AB section apart from the distance between bearing pin (13), and rocking bar (11) one end that described connecting rod (10) is connected is CB section apart from the distance between bearing pin (13), and the length of described AB section is greater than the length of CB section.
3. according to a kind of twin-shaft mixer discharge door mechanism described in claim 1 or 2, it is characterized in that: two described side set squares (5-2) are welded on respectively the two ends of door-plate (7), described main set square (5-1) is welded in door-plate (7).
4. according to a kind of twin-shaft mixer discharge door mechanism described in claim 1 or 2, it is characterized in that: the quantity of described main set square (5-1) is polylith, main set square (5-1) evenly arranges described in polylith.
5. according to a kind of twin-shaft mixer discharge door mechanism described in claim 1 or 2, it is characterized in that: described Dump gate main shaft (4) passes the second through hole (5-21) and the first through hole (5-11) and all welds with main set square (5-1) and side set square (5-2), two described supports rotation minor axises (6) pass respectively the third through-hole (5-22) on two side set squares (5-2) and weld with side set square (5-2).
6. according to a kind of twin-shaft mixer discharge door mechanism described in claim 1 or 2, it is characterized in that: described door lining (2) be shaped as rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528412.3A CN102935663B (en) | 2012-12-10 | 2012-12-10 | Discharge door device for double-horizontal shaft mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528412.3A CN102935663B (en) | 2012-12-10 | 2012-12-10 | Discharge door device for double-horizontal shaft mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102935663A CN102935663A (en) | 2013-02-20 |
| CN102935663B true CN102935663B (en) | 2014-07-23 |
Family
ID=47694601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210528412.3A Expired - Fee Related CN102935663B (en) | 2012-12-10 | 2012-12-10 | Discharge door device for double-horizontal shaft mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102935663B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858759A (en) * | 2018-08-07 | 2018-11-23 | 福建南方路面机械有限公司 | A kind of double-horizontal axle concrete-mixer that Dump gate both sides are opened |
| CN109591195B (en) * | 2019-01-28 | 2023-10-20 | 青岛雷克斯机械有限公司 | Integral unloading door device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5810475A (en) * | 1996-09-16 | 1998-09-22 | Brownwood Ross Company, Inc. | Single discharge door for continuous or batching operation of twin-shaft twin-trough mixers |
| CN2400250Y (en) * | 1999-12-30 | 2000-10-11 | 姬宇飞 | Forced concrete mixer discharge means |
| CN201067679Y (en) * | 2007-06-14 | 2008-06-04 | 福建南方路面机械有限公司 | Forced action mixer with self-locking discharging door mechanism |
| CN202922759U (en) * | 2012-12-10 | 2013-05-08 | 长安大学 | Unloading door device for twin-horizontal shaft stirrer |
-
2012
- 2012-12-10 CN CN201210528412.3A patent/CN102935663B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102935663A (en) | 2013-02-20 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20141210 |
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| EXPY | Termination of patent right or utility model |