CN109822753B

CN109822753B - Concrete mixer

Info

Publication number: CN109822753B
Application number: CN201910217705.1A
Authority: CN
Inventors: 郭伶
Original assignee: Taizhou Highway And Waterway Engineering Supervision Consultation Co ltd
Current assignee: Taizhou Highway And Waterway Engineering Supervision Consultation Co ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-09-29
Anticipated expiration: 2039-03-21
Also published as: CN109822753A

Abstract

The invention relates to the field of concrete production equipment, and discloses a concrete mixer which comprises a base and a mixing tank rotationally connected to the base, wherein a material port is formed in the top end of the mixing tank, a lifting cover is arranged on the material port and slides along the vertical direction, supporting columns are circumferentially arranged on the base at intervals, lifting holes in sliding fit with the supporting columns are formed in the lifting cover, and a locking assembly for limiting the movement of the lifting cover and sealing the material port is arranged on each supporting column; the coaxial support ring that is provided with on the support column, the cover is equipped with supporting spring on the support column, just supporting spring's both ends butt respectively in support ring and lift lid. The automatic lifting device has the advantages that the lifting cover is driven to automatically lift while the stirring tank rotates, so that the efficiency of feeding and discharging concrete is improved.

Description

Concrete mixer

Technical Field

The invention relates to the field of concrete production equipment, in particular to a concrete mixer.

Background

The concrete mixer is a machine for mixing and stirring cement, sandstone aggregate and water into a concrete mixture, wherein the horizontal concrete mixer is one of the horizontal concrete mixers in the prior art, the stirring device comprises a base and a stirring tank which is rotationally connected with the base, wherein a stirring paddle is arranged in the stirring tank in a penetrating way, a chassis is arranged on the base, a motor for driving the stirring paddle to rotate is arranged on the chassis, a feeding hole is formed in the top of the stirring tank, a cover plate is arranged on the feeding hole, cement, gravel aggregate and water are added into the stirring tank through the feeding hole, then the motor is used for driving the stirring paddle to stir, after the stirring is finished, the cover plate is opened, then the stirring tank is rotated to pour out the concrete in the stirring tank, however, the cover plate needs to be taken down and placed in a place before the concrete is poured out every time, so that the operation is complicated and troublesome, and the feeding and discharging during the concrete production are inconvenient.

Disclosure of Invention

The invention aims to provide a concrete mixer, wherein a stirring tank rotates and simultaneously drives a lifting cover to automatically lift, so that the efficiency of feeding and discharging concrete is improved.

The technical purpose of the invention is realized by the following technical scheme:

a concrete mixer comprises a base and a mixing tank rotationally connected to the base, wherein a material port is formed in the top end of the mixing tank, a lifting cover is arranged on the material port and slides along the vertical direction, supporting columns are circumferentially arranged on the base at intervals, lifting holes in sliding fit with the supporting columns are formed in the lifting cover, and a locking assembly for limiting the movement of the lifting cover and sealing the material port is arranged on the supporting columns; the coaxial support ring that is provided with on the support column, the cover is equipped with supporting spring on the support column, just supporting spring's both ends butt respectively in support ring and lift lid.

Through adopting above-mentioned technical scheme, during the unloading, untie locking Assembly, supporting spring promotes to go up and down to cover, then the rotation of quick-witted case control agitator tank, make the material mouth slope downwards, pour the concrete of accomplishing the stirring in the agitator tank, realize quick unloading, during the material loading, the agitator tank rotates to the material mouth slope upwards, after adding raw and other materials, the lift lid slides downwards, locking Assembly prescribes a limit to the removal of lift lid once more, make the stable sealed material mouth of lift lid, avoid the dismouting of lift lid and the problem of putting, promote the convenience of going up and down to go up and down.

The invention is further configured to: the lower extreme of lift lid has seted up the mounting groove, be provided with sealing spring and sealed lid in the mounting groove, the upper end of sealed lid extends along vertical direction and is equipped with the spacing post that slides and wear to locate in the lift lid, spacing post is located to the sealing spring cover, just sealing spring's both ends butt respectively in lift lid and sealed lid, the lower extreme of sealed lid inlays and locates in the material mouth.

Through adopting above-mentioned technical scheme, the removal of lift lid is injectd to the locking subassembly for sealing spring promotes sealed lid and moves down, makes the lower extreme of sealed lid inlay locate in the material mouth, and until sealed lid butt in material mouth week side, realizes the stable sealed effect to the material mouth.

The invention is further configured to: the locking groove has been seted up on the support column, the lift is covered and is seted up the fixed slot relative with the locking groove, it is provided with the locking pin of pegging graft complex with the fixed slot to lock the inslot slip.

Through adopting above-mentioned technical scheme, when the lift lid glides downwards, align until fixed slot and locking groove, during locking spring promoted the stop pin embedding fixed slot, the stop pin blockked the removal of injecing the lift lid for lift lid and the stable butt seal material mouth of sealed lid.

The invention is further configured to: the locking groove is internally provided with a locking spring for pushing the locking pin to move towards the fixing groove, the fixing groove is communicated with the mounting groove, the sealing cover is provided with a clamping groove towards the fixing groove, the clamping groove is internally provided with an unlocking pin and an unlocking spring, and the unlocking spring pushes the unlocking pin to push the locking pin to be separated from the fixing groove.

Through adopting above-mentioned technical scheme, after concrete mixing accomplished in the agitator tank, the drive agitator tank rotated, and the agitator tank promoted sealed lid rebound, and the hinge bar promotes the release pin, and the release pin promotes the stop pin and breaks away from the fixed slot, and then supporting spring promotes the lift lid and upwards slides and keep away from the agitator tank, and then realizes opening the material mouth automatically, the concrete of being convenient for emptys.

The invention is further configured to: the lower extreme circumference of sealed lid has seted up the seal groove, the cover is equipped with the sealing washer in the seal groove, the sealing washer butt is in material mouthful inner wall.

Through adopting above-mentioned technical scheme, seted up the seal groove in the week side of sealed lid, inlay in the seal groove and be equipped with the sealing washer, sealing spring promotes sealed lid and moves down for the lower extreme of sealed lid inlays and locates in the material mouth, and the sealing washer butt is in material mouth week side, realizes the stable sealed effect to the material mouth.

The invention is further configured to: the support ring slides along vertical direction, the cover is equipped with reset spring on the support column, reset spring's both ends butt respectively in bottom plate and support ring, be provided with the power component that the pulling support ring glided downwards on the base.

Through adopting above-mentioned technical scheme, the support column cover is equipped with reset spring, and support ring sliding sleeve locates on the support column, reset spring supports in the lower extreme of support ring, the support ring further butt supporting spring, realize that supporting spring stably promotes the purpose of going up the slip on the lift lid, when power component pulling support ring downstream for supporting spring is synchronous to the lapse, the lift lid slides downwards under the effect of gravity, inlay once more until the stop pin and locate the fixed slot, realize the purpose of sealed lid self-sealing material mouth.

The invention is further configured to: the power assembly comprises a winding shaft and a traction rope, a winding wheel is coaxially arranged on the winding shaft, one end of the traction rope is connected to the support ring, and the other end of the traction rope is connected to the winding wheel.

Through adopting above-mentioned technical scheme, the drive rolling axle rotates, and the rolling wheel makes the haulage rope around rolling up on the rolling wheel, and haulage rope pulling support ring downstream, and then when the support ring downstream for supporting spring is synchronous to slide downwards, and the lift lid slides downwards at the effect of gravity, inlays once more until the stop pin and locates in the fixed slot, realizes the purpose of sealed lid self-sealing material mouth.

The invention is further configured to: be provided with the rolling cylinder on the base, the rolling axle is fixed in the piston end of rolling cylinder, just the rotation axis of the parallel agitator tank of axis of rolling axle, the coaxial driving gear that is provided with of rotation end of agitator tank, the epaxial driven gear that is provided with of rolling.

Through adopting above-mentioned technical scheme, after the agitator tank is unloaded and is accomplished, the piston end of rolling cylinder stretches out and makes driving gear and driven gear meshing, start the agitator tank and rotate, material mouth slope when the agitator tank makes progress, add the agitator tank with the raw and other materials of production concrete, then continue to rotate the agitator tank, and the driving gear drives driven gear and coaxial rolling wheel, the rolling wheel makes the haulage rope around rolling up on the rolling wheel, haulage rope pulling support ring downstream, make supporting spring synchronous lapse, the lift lid slides downwards under the effect of gravity, until the stop pin inlays once more and locates in the fixed slot, realize the purpose of sealed lid self-sealing material mouth.

In conclusion, the invention has the following beneficial effects:

the agitator tank rotates, and the sealed lid rebound of agitator tank promotion, and the hinge bar promotes the split lock round pin, and the split lock round pin promotes the split lock round pin and breaks away from the fixed slot, and then supporting spring promotes the lift lid and upwards slides and keep away from the agitator tank, and then realizes opening the material mouth automatically, the concrete of being convenient for empting.

Drawings

FIG. 1 is a schematic view of the general assembly of a concrete mixer;

FIG. 2 is a schematic diagram for embodying a support post structure;

fig. 3 is a schematic view for embodying a lifting cover structure.

Reference numerals: 1. a base; 2. a chassis; 3. a stirring tank; 31. a driving gear; 4. a support pillar; 41. a locking groove; 42. a locking spring; 43. a locking pin; 5. a lifting cover; 51. fixing grooves; 52. mounting grooves; 53. a sealing cover; 531. a limiting column; 532. a seal spring; 533. a seal ring; 54. releasing the lock pin; 55. a hinged lever; 6. a return spring; 7. a support ring; 8. a support spring; 9. a winding cylinder; 10. a winding shaft; 11. a winding wheel; 12. a driven gear; 13. and (6) pulling the rope.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a concrete mixer comprises a base 1, a case 2 and a stirring tank 3, wherein the case 2 and the stirring tank 3 are arranged on the base 1, the stirring tank 3 is cylindrical, a material opening is formed in the top end of the stirring tank, the axis of the stirring tank 3 is arranged in the horizontal direction, a support is arranged on the base 1 and opposite to the case 2, two ends of the stirring tank 3 in the axis direction are rotatably connected to the support and the case 2, the rotation of the stirring tank 3 is controlled through the case 2, so that the material opening is inclined downwards, and concrete which is stirred in the stirring tank 3 is poured out.

As shown in fig. 2 and 3, four support columns 4 are uniformly distributed on the base 1 and on the periphery of the agitator tank 3, a lifting cover 5 is arranged above the agitator tank 3, lifting holes are formed in four corners of the lifting cover 5, the support columns 4 and the lifting holes are matched in a penetrating manner, and the support columns 4 limit the moving direction of the lifting cover 5, so that the lifting cover 5 is stably opened and closed.

The lower end of the lifting cover 5 is provided with a mounting groove 52, a sealing cover 53 is arranged in the mounting groove 52, the upper end of the sealing cover 53 extends to form a limiting column 531 along the vertical direction, the limiting column 531 penetrates through the lifting cover 5, the limiting column 531 is in threaded connection with a limiting nut, the limiting nut is abutted to the upper end of the lifting cover 5, the sealing cover 53 moves in the vertical direction, a sealing spring 532 is sleeved on the limiting column 531, two ends of the sealing spring 532 are respectively abutted to the lifting cover 5 and the sealing cover 53, the sealing cover 53 is in a prismoid shape, a sealing groove is formed in the peripheral side of the sealing cover 53, a sealing ring 533 is embedded in the sealing groove, the sealing spring 532 pushes the sealing cover 53 to move downwards, the lower end of the sealing cover 53 is embedded in a material port, the sealing ring 533 is abutted to the peripheral.

The locking groove 41 is opened on the supporting column 4, the fixing groove 51 opposite to the locking groove 41 is opened on the inner wall of the lifting cover 5 on the lifting hole, the locking spring 42 and the locking pin 43 are arranged in the locking groove 41, when the lifting cover 5 slides downwards, until the fixing groove 51 is aligned with the locking groove 41, the locking spring 42 pushes the locking pin 43 to be embedded into the fixing groove 51, and the locking pin 43 blocks and limits the movement of the lifting cover 5, so that the lifting cover 5 is stably abutted against the sealing cover 53 to seal the material opening.

And fixed slot 51 and mounting groove 52 intercommunication set up, it is provided with the release pin 54 to slide in fixed slot 51, be provided with hinge rod 55 between release pin 54 and sealed lid 53, and coaxial support ring 7 that is provided with on support column 4, and the cover is equipped with supporting spring 8 on support column 4, supporting spring 8's both ends respectively butt in lift lid 5 and support ring 7, after the concrete mixing is accomplished in agitator tank 3, drive agitator tank 3 rotates, agitator tank 3 promotes sealed lid 53 rebound, hinge rod 55 promotes release pin 54, release pin 54 promotes locking pin 43 and breaks away from fixed slot 51, then supporting spring 8 promotes lift lid 5 and upwards slides and keeps away from agitator tank 3, and then realize automatic opening the material mouth, be convenient for toppling over of concrete.

Wherein support column 4 cover is equipped with reset spring 6, and support ring 7 sliding sleeve locates on support column 4, and reset spring 6 supports in the lower extreme of support ring 7, and support ring 7 further supports support spring 8, realizes that support spring 8 stably promotes the mesh that goes up slide on lifting cover 5. Winding cylinders 9 are arranged on the base 1 and on two sides of the stirring tank 3 in the axial direction, a bearing seat is arranged at the piston end of each winding cylinder 9, a winding shaft 10 is arranged in each bearing seat in a rotating mode, the rotating axis of each winding shaft 10 is parallel to the axial line of the stirring tank 3, a winding wheel 11 and a driven gear 12 are coaxially arranged on each winding shaft 10, driving gears 31 are coaxially arranged at two ends of the stirring tank 3, the diameter of each driving gear 31 is larger than that of each driven gear 12, and the diameter of each winding wheel 11 is larger than that of each driven gear 12;

after agitator tank 3 unloads and accomplishes, the piston end of rolling cylinder 9 stretches out and makes driving gear 31 and driven gear 12 mesh, start agitator tank 3 and rotate, the material mouth slope of agitator tank 3 upwards, add the raw and other materials of producing the concrete in agitator tank 3, then continue to rotate agitator tank 3, and driving gear 31 drives driven gear 12 and coaxial rolling wheel 11, rolling wheel 11 makes haulage rope 13 around rolling up on rolling wheel 11, haulage rope 13 pulling support ring 7 moves down, make the synchronous lapse of 8 of supporting spring, lift lid 5 is at the effect lapse of gravity, until the locking pin 43 inlays once more and locates in fixed slot 51, realize the purpose of sealed lid 53 self-sealing material mouth.

The working principle of the embodiment is as follows:

opening a material port: move agitator tank 3 and rotate, agitator tank 3 promotes sealed lid 53 rebound, and hinge bar 55 promotes and unlocks round pin 54, and unlocks round pin 54 and promotes stop pin 43 and break away from fixed slot 51, and then supporting spring 8 promotes lift lid 5 and upwards slides and keep away from agitator tank 3, and then realizes opening the material mouth automatically, the pouring of the concrete of being convenient for.

Closing the material port: start agitator tank 3 and rotate, the material mouth slope of agitator tank 3 upwards, add agitator tank 3 with the raw and other materials of production concrete, then continue to rotate agitator tank 3, the piston end of rolling cylinder 9 stretches out and makes driving gear 31 and driven gear 12 mesh, rolling wheel 11 makes haulage rope 13 wind on rolling wheel 11, haulage rope 13 pulling support ring 7 downstream, make supporting spring 8 synchronous lapse, lift lid 5 is the effect lapse of gravity, inlay once more until stop pin 43 locates in fixed slot 51, realize the purpose of sealed lid 53 self-sealing material mouth, after the sealing, rolling cylinder 9 piston end withdraws, reset spring 6 promotes support ring 7 and supporting spring 8 and resets.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a concrete mixer, includes base (1) and rotates agitator tank (3) of connection on base (1), its characterized in that: a material opening is formed in the top end of the stirring tank (3), a lifting cover (5) is arranged on the material opening, the lifting cover (5) slides along the vertical direction, supporting columns (4) are circumferentially arranged on the base (1) at intervals, lifting holes in sliding fit with the supporting columns (4) are formed in the lifting cover (5), and a locking assembly for limiting the lifting cover (5) to move and sealing the material opening is arranged on the supporting columns (4); a support ring (7) is coaxially arranged on the support column (4), a support spring (8) is sleeved on the support column (4), and two ends of the support spring (8) are respectively abutted against the support ring (7) and the lifting cover (5); the lower end of the lifting cover (5) is provided with a mounting groove (52), a sealing spring (532) and a sealing cover (53) are arranged in the mounting groove (52), the upper end of the sealing cover (53) extends along the vertical direction to form a limiting column (531) which is slidably arranged in the lifting cover (5) in a penetrating manner, the sealing spring (532) is sleeved on the limiting column (531), two ends of the sealing spring (532) are respectively abutted against the lifting cover (5) and the sealing cover (53), and the lower end of the sealing cover (53) is embedded in a material port; a locking groove (41) is formed in the supporting column (4), a fixing groove (51) opposite to the locking groove (41) is formed in the lifting cover (5), and a locking pin (43) in inserting fit with the fixing groove (51) is arranged in the locking groove (41) in a sliding mode; a locking spring (42) for pushing the locking pin (43) to move towards the fixing groove (51) is arranged in the locking groove (41), the fixing groove (51) is communicated with the mounting groove (52), an unlocking pin (54) is arranged in the fixing groove (51) in a sliding mode, a hinge rod (55) is arranged between the unlocking pin (54) and the sealing cover (53), and the hinge rod (55) rotates on a vertical plane; support ring (7) slide along vertical direction, the cover is equipped with reset spring (6) on support column (4), reset spring (6) both ends respectively butt in bottom plate and support ring (7), be provided with the power component that stimulates support ring (7) lapse on base (1).

2. A concrete mixer according to claim 1, wherein: the lower extreme circumference of sealed lid (53) has seted up the seal groove, the cover is equipped with sealing washer (533) in the seal groove, sealing washer (533) butt in the material mouth inner wall.

3. A concrete mixer according to claim 1, wherein: the power assembly comprises a winding shaft (10) and a traction rope (13), a winding wheel (11) is coaxially arranged on the winding shaft (10), one end of the traction rope (13) is connected to the support ring (7), and the other end of the traction rope is connected to the winding wheel (11).

4. A concrete mixer according to claim 3, wherein: be provided with rolling cylinder (9) on base (1), rolling axle (10) are fixed in the piston end of rolling cylinder (9), just the axis of rolling axle (10) is parallel to the axis of rotation of agitator tank (3), the rotation end coaxial driving gear (31) that is provided with of agitator tank (3), coaxial driven gear (12) that is provided with on rolling axle (10).