CN211967954U - Cement paste mixer - Google Patents

Abstract

The utility model relates to a cement paste mixer relates to the technical field of experimental facilities for cement manufacture, it include that frame, axis are vertical and rotate connect in (mixing) shaft on the frame, rigid coupling in a plurality of stirring vane of (mixing) shaft perisporium, be used for driving (mixing) shaft pivoted first motor, along vertical direction sliding connection in the jacking board of frame lateral wall, can dismantle fixed connection in on the jacking board and with the coaxial agitated kettle of (mixing) shaft, be used for driving jacking board up-and-down motion's vertical drive assembly, vertical drive assembly include that the axis is vertical and rotate connect in the one-way screw rod of frame lateral wall, with one-way screw rod threaded connection and with the first lead screw nut of jacking board rigid coupling, be used for driving one-way screw rod pivoted second motor. The utility model discloses have can be with the more even effect of cement and water stirring.

Description

Cement paste mixer

Technical Field

The utility model belongs to the technical field of the technique of experimental facilities for cement manufacture and specifically relates to a cement paste mixer is related to.

Background

When the cement test block is manufactured, cement and water are mixed according to a proportion specified by a standard and then are stirred into uniform test slurry for subsequent measurement of standard consistency and setting time of the cement and manufacturing of a stability test block, and a cement paste mixer is equipment for uniformly stirring the cement and the water and is one of necessary experimental equipment for cement laboratories of cement factories, concrete factories, building construction units, related professional schools and scientific research units.

Chinese patent with publication number CN205272325U discloses a cement paste mixer, the key points of which are as follows: the fixed ring of the stirrer comprises a semicircular fixed part and a rotating part, the fixed part is fixed with the sliding block, one end of the rotating part is hinged with one end of the fixed part, and the fixed ring is provided with a locking mechanism which is used for locking the other end of the rotating part with the other end of the fixed part. The rotating part of the fixing ring can be rotated by unlocking to open the fixing ring, the mounting block of the stirring pot is transversely pushed into the fixing ring, then the rotating part is rotated reversely, and the bolt is inserted to complete the mounting of the stirring pot; the dismantling process of the mixing kettle is the reverse of the above process.

The above prior art solutions have the following drawbacks: in the stirring process, the cement and the water are stirred by the stirring paddle, the cement and the water are easy to delaminate in the stirring process, and the stirring mode leads to the difficulty in stirring the cement and the water more uniformly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cement paste mixer, it has the more even effect that can stir cement and water to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a cement paste mixer, include that frame, axis are vertical and rotate connect in (mixing) shaft, rigid coupling on the frame in a plurality of stirring vane of (mixing) shaft perisporium, be used for driving (mixing) shaft pivoted first motor still include along vertical direction sliding connection in the jacking board of frame lateral wall, can dismantle fixed connection in on the jacking board and with the coaxial agitated kettle of (mixing) shaft, be used for driving jacking board up-and-down motion's vertical drive assembly, vertical drive assembly include that the axis is vertical and rotate connect in the one-way screw rod of frame lateral wall, with one-way screw rod threaded connection and with the first screw nut of jacking board rigid coupling, be used for driving one-way screw rod pivoted second motor.

By adopting the technical scheme, after water and cement are added into the stirring pot, the stirring shaft is driven to rotate by the first motor, the stirring shaft drives the stirring blades to synchronously rotate when rotating, the water and the cement can be stirred in the rotating process of the stirring blades, and in the stirring process of the water and the cement, the stirring pot is driven to move up and down by the vertical driving assembly, so that the stirring blades and the stirring pot can generate relative movement in the vertical direction, the materials in the stirring pot can be stirred horizontally and circumferentially, the materials can also be stirred in the vertical direction, the phenomenon that the materials are layered up and down in the stirring process can be prevented, and the cement and the water can be stirred more uniformly; when the vertical driving assembly drives the stirring pot to move up and down, namely the second motor drives the one-way screw to rotate, the one-way screw drives the first lead screw nut to rotate relative to the first lead screw nut when rotating, the first lead screw nut moves along the vertical direction in the rotating process, the first lead screw nut can drive the stirring pot to move synchronously in the moving process, and the driving direction is simple in structure and low in manufacturing cost.

The present invention may be further configured in a preferred embodiment as: and the side wall of the stirring blade is fixedly connected with a plurality of auxiliary stirring blocks.

Through adopting above-mentioned technical scheme, stirring vane drives a plurality of vice stirring pieces synchronous rotations when rotating to alright with cement and water stirring's more even.

The present invention may be further configured in a preferred embodiment as: the jacking plate top wall runs through along vertical direction seted up with the coaxial mounting hole of agitator kettle, agitator kettle middle part detachable card is located in the mounting hole, be equipped with two and follow the gliding tight piece of clamp of opposite direction on the jacking plate, two the symmetry axis when pressing from both sides tight piece relative motion with the axis coincidence of mounting hole, be equipped with on the jacking plate and be used for driving two press from both sides the horizontal drive subassembly that tight piece moved along opposite direction.

Through adopting above-mentioned technical scheme, when being fixed in the agitator kettle on the jacking board, place the agitator kettle in the mounting hole, drive two by horizontal drive subassembly again and press from both sides tight piece relative motion to alright press from both sides the agitator kettle tightly, this kind of fixed mode simple structure, degree of automation is higher, reducible operation personnel's work load.

The present invention may be further configured in a preferred embodiment as: the horizontal driving assembly comprises a bidirectional screw, two second lead screw nuts and a third motor, the axis of the bidirectional screw is horizontal and is rotatably connected to the jacking plate, the two second lead screw nuts are respectively in threaded connection with different thread sections of the bidirectional screw, the third motor is used for driving the bidirectional screw to rotate, and the two second lead screw nuts are respectively in one-to-one correspondence with the two clamping blocks and are fixedly connected with the two clamping blocks.

By adopting the technical scheme, when the horizontal driving assembly drives the two clamping blocks to move, namely the third motor drives the bidirectional screw to rotate, the bidirectional screw drives the two second lead screw nuts to rotate in opposite directions when rotating, and the second lead screw nuts and the bidirectional screw slide along the axial direction of the bidirectional screw while rotating relatively. The second screw nut can drive the two clamping blocks to synchronously slide along opposite directions when sliding, the driving mode has a simple structure and low manufacturing cost, one power source can be used for driving the two clamping blocks to synchronously move, and the centering property is good.

The present invention may be further configured in a preferred embodiment as: the periphery of the stirring pot is fixedly connected with a flange, and the bottom wall of the clamping block is provided with an avoiding groove for the flange to be embedded in.

Through adopting above-mentioned technical scheme, when pressing from both sides tight piece and pressing from both sides the agitator kettle tightly, the flange of agitator kettle periphery inlays to be located and dodges the inslot, through setting up the flange and dodging the groove, by dodging the groove and providing the location of direction from top to bottom to the agitator kettle, can avoid the agitator kettle to rock from top to bottom along vertical direction, can improve the stability of agitator kettle, simultaneously, set up the flange and also can avoid the agitator kettle to take place the skew in the mounting hole.

The present invention may be further configured in a preferred embodiment as: and the top wall of the jacking plate is communicated with the edge part of the mounting hole and is provided with an embedded groove for embedding the flange.

Through adopting above-mentioned technical scheme, when placing the agitator kettle on the jacking board, can place the flange in the caulking groove, can be to flange and agitator kettle further spacing, can improve the stability of agitator kettle.

The present invention may be further configured in a preferred embodiment as: the inner wall of the caulking groove and the outer wall of the flange are both polygonal.

Through adopting above-mentioned technical scheme, establish caulking groove and flange outer wall into the polygon, can avoid the flange to take place relative rotation along the caulking groove, can further improve the stability of agitated kettle.

The present invention may be further configured in a preferred embodiment as: the first motor with be equipped with the speed reduction subassembly between the (mixing) shaft, the speed reduction subassembly including rotate connect in on the frame and with the first gear of the coaxial rigid coupling of output shaft of first motor, with first gear intermeshing and with the second gear of the coaxial rigid coupling of (mixing) shaft, the number of teeth of first gear is less than the number of teeth of second gear.

Through adopting above-mentioned technical scheme, first motor drives first gear revolve, drives second gear and relative rotation with it during first gear revolve, alright drive the (mixing) shaft synchronous rotation during second gear revolve, can make the moment of torsion of second motor output export to the bigger moment of torsion of (mixing) shaft after the transmission of speed reduction subassembly through setting up speed reduction subassembly, can make the rotation of (mixing) shaft more smooth and easy.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the vertical driving assembly is arranged to drive the stirring pot to move up and down, so that the stirring blades can stir materials in a horizontal circumferential direction and in a vertical direction, and cement and water can be stirred more uniformly;

2. the stirring pot is clamped tightly by arranging the horizontal driving assembly, so that the stirring pot can be prevented from shaking;

3. the rotation of the stirring shaft and the stirring blades can be smoother by arranging the speed reducing assembly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an explosion structure diagram of the middle lifting plate and the stirring pot of the present invention.

In the figure, 1, a machine base; 11. a stirring shaft; 12. a stirring blade; 13. a first motor; 14. an auxiliary stirring block; 2. a jacking plate; 21. mounting holes; 22. caulking grooves; 3. a stirred pot; 31. a flange; 4. a vertical drive assembly; 41. a unidirectional screw; 42. a first lead screw nut; 43. a first transfer block; 44. a second motor; 45. a first rotating base; 5. a speed reduction assembly; 51. a first gear; 52. a second gear; 53. a supporting seat; 6. a guide assembly; 61. a guide rail; 62. a guide block; 7. a clamping block; 71. an avoidance groove; 72. a second transfer block; 73. a T-shaped slot; 74. a T-shaped block; 8. a horizontal drive assembly; 81. a bidirectional screw; 82. a second lead screw nut; 83. a third motor; 84. and a second rotating seat.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a cement paste mixer, including frame 1, the axis is vertical and rotate the (mixing) shaft 11 of connecting on frame 1, weld in a plurality of stirring vane 12 of (mixing) shaft 11 perisporium, be used for driving (mixing) shaft 11 pivoted first motor 13, along vertical direction sliding connection in the jacking board 2 of frame 1 lateral wall, can dismantle fixed connection on jacking board 2 and with the coaxial agitated kettle 3 of (mixing) shaft 11, a vertical drive assembly 4 for driving 2 up-and-down motion of jacking board, stirring vane 12 is equipped with 3 in this embodiment, and three stirring vane 12 is along (mixing) shaft 11 circumference equipartitions, stirring vane 12 lateral wall welding has a plurality of vice stirring piece 14.

Referring to fig. 1, a speed reduction assembly 5 is arranged between a first motor 13 and a stirring shaft 11, the speed reduction assembly 5 includes a first gear 51 rotatably connected to the top wall of a base 1 and coaxially fixedly connected to an output shaft of the first motor 13, and a second gear 52 mutually meshed with the first gear 51 and coaxially welded to the stirring shaft 11, the number of teeth of the first gear 51 is smaller than that of the second gear 52, an L-shaped support seat 53 is welded to the top wall of the base 1, the first motor 13 is fixedly connected to the top wall of the support seat 53 through screws, the first motor 13 is a servo motor, and the output shaft of the first motor 13 passes through the top wall of the support seat 53 and coaxially fixedly connected to the first gear 51 through keys.

Referring to fig. 1, the lateral wall of the base 1 is provided with two sets of guide assemblies 6 arranged side by side, each guide assembly 6 comprises a guide rail 61 fixedly connected to the lateral wall of the base 1 along the vertical direction through a screw, and a guide block 62 slidably connected to the lateral wall of the guide rail 61 along the vertical direction, the jacking plate 2 is fixedly connected to the guide block 62 through a screw, and the guide rail 61 is a linear slide rail and the guide block 62 is a linear slide block in this embodiment.

Referring to fig. 1, the vertical driving assembly 4 includes a unidirectional screw 41 whose axis is vertical and is rotatably connected to the side wall of the base 1, a first screw nut 42 in threaded connection with the unidirectional screw 41, a first transfer block 43 whose one end is welded to the first screw nut 42 and whose other end is fixedly connected to the guide block 62 through screws, and a second motor 44 for driving the unidirectional screw 41 to rotate, wherein the side wall of the base 1 is welded with first rotating seats 45 at both ends of the unidirectional screw 41, both ends of the unidirectional screw 41 are rotatably connected to each first rotating seat 45, the second motor 44 is a servo motor, the second motor 44 is fixedly connected to any one of the first rotating seats 45 through screws, and an output shaft of the second motor 44 passes through the first rotating seats 45 and then is coaxially and fixedly connected to the unidirectional screw 41 through a coupler.

Referring to fig. 1 and 2, the top wall of the jacking plate 2 runs through along the vertical direction and is provided with a mounting hole 21 coaxial with the stirring pot 3, the detachable card in the middle of the stirring pot 3 is arranged in the mounting hole 21, the flange 31 is welded on the periphery of the stirring pot 3, the caulking groove 22 for embedding the flange 31 is arranged on the top wall of the jacking plate 2 in the communication of the edge of the mounting hole 21, the inner wall of the caulking groove 22 and the outer wall of the flange 31 are both polygons, and the inner wall of the caulking groove 22 and the outer wall of the flange 31 are both rectangles.

Referring to fig. 1 and 2, the jacking plate 2 is provided with two clamping blocks 7 capable of sliding in opposite directions, a symmetry axis of the two clamping blocks 7 during relative movement coincides with an axis of the mounting hole 21, and an avoiding groove 71 for embedding the flange 31 is formed in the bottom wall of one end, which is opposite to the two clamping blocks 7.

Referring to fig. 1 and 2, a second transfer block 72 is welded on the side wall of each clamping block 7, the second transfer block 72 is connected to the top wall of the lifting plate 2 in a sliding manner along the direction parallel to the moving direction of the clamping block 7, a T-shaped groove 73 is formed in the top wall of the lifting plate 2 along the direction parallel to the moving direction of the clamping block 7, and a T-shaped block 74 connected in the T-shaped groove 73 in a sliding manner is welded on the side wall of the clamping block 7.

Referring to fig. 1 and 2, the jacking plate 2 is provided with a horizontal driving assembly 8 for driving the two clamping blocks 7 to move in opposite directions, the horizontal driving assembly 8 comprises a bidirectional screw 81 with a horizontal axis and rotatably connected to the side wall of the jacking plate 2, two second lead screw nuts 82 respectively screwed on different thread sections of the bidirectional screw 81, the third motor 83 is used for driving the bidirectional screw 81 to rotate, the two second lead screw nuts 82 are respectively welded with the side walls of the two second transfer blocks 72 in a one-to-one correspondence manner, the second rotating seats 84 are respectively welded at the two ends of the bidirectional screw 81 on the side wall of the jacking plate 2, the two ends of the bidirectional screw 81 are respectively connected with the two second rotating seats 84 in a rotating manner, the third motor 83 is a servo motor, the third motor 83 is fixedly connected to the side wall of any second rotating seat 84 through screws, and an output shaft of the third motor 83 passes through the second rotating seats 84 and then is coaxially fixedly connected with the bidirectional screw 81 through a coupler.

The implementation principle of the embodiment is as follows: during operation, water and cement which need to be stirred are placed in the stirring pot 3, the flange 31 on the stirring pot 3 is clamped in the caulking groove 22, and then the horizontal driving assembly 8 drives the two clamping blocks 7 to move towards the opposite side until the top wall of the flange 31 is clamped in the avoiding groove 71, so that the stirring pot 3 can be clamped tightly.

After pressing from both sides the agitator kettle 3 tightly, vertical drive assembly 4 drives and drives agitator kettle 3 along vertical direction up-and-down motion through driving jacking board 2, the in-process of agitator kettle 3 up-and-down motion, first motor 13 drives (mixing) shaft 11 through driving the motion of speed reduction subassembly 5 and rotates, drive stirring vane 12 synchronous rotation when (mixing) shaft 11 rotates, agitator kettle 3 is along vertical direction up-and-down motion when stirring vane 12 rotates material circumferential direction to alright with the material stirring in the agitator kettle 3.

After the stirring, vertical drive assembly 4 drives stirred tank 3 downstream until (mixing) shaft 11 and stirring vane 12 are located stirred tank 3 top, with stirred tank 3 and (mixing) shaft 11, stirring vane 12 separation back, horizontal drive assembly 8 drives two tight piece 7 moves to dodging groove 71 and flange 31 separation towards one side that deviates from mutually, dodges groove 71 and flange 31 separation back operation personnel alright take stirred tank 3 down from jacking board 2.

When the first motor 13 drives the stirring shaft 11 to move, that is, the first motor 13 drives the first gear 51 to rotate, the first gear 51 drives the second gear 52 engaged therewith to rotate when rotating, and the stirring shaft 11 can be driven to rotate in the process of rotating the second gear 52.

When the vertical driving assembly 4 drives the lifting plate 2 to move, that is, the second motor 44 drives the one-way screw 41 to rotate, the one-way screw 41 drives the first lead screw nut 42 to rotate relative to the one-way screw 41 during the rotation process, and the first lead screw nut 42 and the one-way screw 41 rotate relative to each other and simultaneously drive the lifting plate 2 to slide along the axis direction of the one-way screw 41.

When the horizontal driving assembly 8 drives the two clamping blocks 7 to move relatively, that is, the third motor 83 drives the bidirectional screw 81 to rotate, the bidirectional screw 81 can drive the second lead screw nut 82 to rotate relatively, and the second lead screw nut 82 and the bidirectional screw 81 rotate relatively and simultaneously drive the clamping blocks 7 to move along the axis direction parallel to the bidirectional screw 81.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a cement paste mixer, includes that frame (1), axis are vertical and rotate connect in (mixing) shaft (11), rigid coupling on frame (1) in a plurality of stirring vane (12) of (mixing) shaft (11) perisporium, be used for driving (mixing) shaft (11) pivoted first motor (13), its characterized in that: still include along vertical direction sliding connection in the jacking board (2) of frame (1) lateral wall, can dismantle fixed connection in on jacking board (2) and with (mixing) shaft (11) coaxial agitated kettle (3), be used for driving jacking board (2) up-and-down motion's vertical drive subassembly (4), vertical drive subassembly (4) include that the axis is vertical and rotate connect in one-way screw rod (41) of frame (1) lateral wall, with one-way screw rod (41) threaded connection and with first screw nut (42) of jacking board (2) rigid coupling, be used for driving one-way screw rod (41) pivoted second motor (44).

2. The cement paste mixer as claimed in claim 1, wherein: the side wall of the stirring blade (12) is fixedly connected with a plurality of auxiliary stirring blocks (14).

3. The cement paste mixer as claimed in claim 1, wherein: jacking board (2) roof run through along vertical direction seted up with the coaxial mounting hole (21) of agitated kettle (3), agitated kettle (3) middle part detachable card is located in mounting hole (21), be equipped with two and follow the gliding tight piece (7) of clamp of opposite direction on jacking board (2), two the symmetry axis during tight piece (7) relative motion with the axis coincidence of mounting hole (21), be equipped with on jacking board (2) and be used for driving two press from both sides the horizontal drive subassembly (8) of tight piece (7) along the motion of opposite direction.

4. A cement paste mixer according to claim 3, wherein: horizontal drive subassembly (8) include the axis level and rotate connect in two-way screw rod (81), two respectively threaded connection in on jacking board (2) second screw nut (82), be used for driving on the different screw thread sections of two-way screw rod (81) two pivoted third motor (83), two second screw nut (82) respectively one-to-one with two press from both sides tight piece (7) rigid coupling.

5. A cement paste mixer according to claim 3, wherein: the periphery of the stirring pot (3) is fixedly connected with a flange (31), and the bottom wall of the clamping block (7) is provided with an avoiding groove (71) for the flange (31) to be embedded.

6. The cement paste mixer as claimed in claim 5, wherein: and the top wall of the jacking plate (2) is communicated with the edge part of the mounting hole (21) and is provided with a caulking groove (22) for embedding the flange (31).

7. The cement paste mixer as claimed in claim 6, wherein: the inner wall of the caulking groove (22) and the outer wall of the flange (31) are both polygonal.

8. The cement paste mixer as claimed in claim 1, wherein: first motor (13) with be equipped with between (mixing) shaft (11) speed reduction subassembly (5), speed reduction subassembly (5) including rotate connect in on frame (1) and with first gear (51) of the coaxial rigid coupling of output shaft of first motor (13), with first gear (51) intermeshing and with second gear (52) of the coaxial rigid coupling of (mixing) shaft (11), the number of teeth of first gear (51) is less than the number of teeth of second gear (52).

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