CN213226851U

CN213226851U - Novel concrete screw propulsion type material distributor

Info

Publication number: CN213226851U
Application number: CN202021648971.4U
Authority: CN
Inventors: 王全良
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-18
Anticipated expiration: 2030-08-11

Abstract

A novel concrete screw propulsion type distributing machine, the drive mechanism of the distributing shaft drives the distributing shaft to rotate, because the distributing shaft is provided with a plurality of groups of helical blade groups, each helical blade group consists of a forward helical blade and a reverse helical blade, when the distributing shaft rotates, the forward helical blade and the reverse helical blade interact with each other to homogenize the concrete in a hopper, thereby realizing the consistency of the height of the liquid level of the concrete, ensuring that the discharge amount from a discharge port is controllable and consistent, realizing the uniform distribution and the accurate distribution of the concrete distributing machine, and further realizing the automatic distribution; the front sections of the upper and lower guard plates at the discharge port extend out by 30mm relative to the hopper; the peripheral direction of the section hole at the outer side of the upper and lower guard plates of the discharge port is provided with a chamfer, so that the minimum contact surface between the gate and the end surface of the discharge port is realized.

Description

Novel concrete screw propulsion type material distributor

Technical Field

The utility model relates to a prefabricated component production technical field, concretely relates to novel concrete screw propulsion formula cloth machine.

Background

The existing spiral propelling type material distributing machine is only provided with a stirring shaft, so that concrete is prevented from being segregated, but the consistency of the height of the concrete liquid level above each discharge port cannot be guaranteed, so that the consistency of the discharge amount of each discharge port cannot be guaranteed, and the uniform material distribution of the concrete can be realized only by adopting a mode of adding artificial auxiliary shoveling materials into artificial material distribution. However, the discharging amount of each discharging port is required to be controlled and consistent for the material distribution of the automatic material distributor, so that the uniform material distribution and the accurate material distribution can be realized, and the automatic material distribution is realized.

Meanwhile, the existing structure gate is in surface contact with the discharge port, and the discharge gate is generally not closed tightly due to the characteristics of concrete. The disadvantage of untight closing of the gate is as follows: firstly, the blanking amount of the distributing machine cannot be accurately controlled, and secondly, the waste of concrete is caused. The controllable unanimity of the discharge capacity of every discharge gate need be guaranteed to automatic cloth machine cloth, just can realize even cloth and accurate cloth to realize automatic cloth.

Disclosure of Invention

The utility model discloses an overcome the not enough of above technique, provide one kind and ensure that the discharge gate discharge amount is controllable unanimous, realize the novel concrete screw propulsion cloth machine of even cloth and accurate cloth.

The utility model overcomes the technical scheme that its technical problem adopted is:

the utility model provides a novel concrete screw propulsion cloth machine, includes the hopper, installs the refining axle along controlling the direction horizontal rotation in the hopper, and the hopper lower extreme is provided with a plurality of discharge gates along controlling the direction interval, and each discharge gate is located the below of refining axle, and every discharge gate top is provided with the discharge gate that is used for sealing the discharge gate or opening, still includes:

the material homogenizing shaft driving mechanism is arranged on the hopper and used for driving the material homogenizing shaft to rotate;

the helical blade groups are fixed along the axial direction of the refining shaft, the left end of each helical blade group is a forward helical blade, the right end of each helical blade group is a reverse helical blade, and the helical directions of the forward helical blade and the reverse helical blade are opposite.

The refining shaft driving mechanism comprises a speed reducer arranged on the hopper, an output shaft of the speed reducer is in transmission connection with the refining shaft, and an input shaft of the speed reducer is in transmission connection with the motor.

In order to improve the sealing performance, the left side end of the refining shaft is in sealed rotary connection with the hopper through a shaft end seal I, and the right side end of the refining shaft is in sealed rotary connection with the hopper through a shaft end seal II.

For the convenience of replacement, above-mentioned positive helical blade sets up on cover I, the negative helical blade sets up on cover II, and cover I is fixed in the refining shaft with cover II equal suit, both ends are provided with the screw thread section respectively about the refining shaft, and on nut I fitted in the screw thread section on the refining shaft left soon, the medial extremity of nut I contacted with cover I of leftmost side end, and on nut II fitted in the screw thread section on refining shaft right side soon, the medial extremity of nut II contacted with cover II of rightmost side end.

Furthermore, a semicircular upper guard plate is arranged at the upper end of the discharge port, a semicircular lower guard plate is arranged at the lower end of the discharge port, the upper guard plate and the lower guard plate are spliced to form a circular ring structure, and the extending length of the front end of the upper guard plate and the front end of the lower guard plate relative to the hopper is 30 mm.

In order to ensure that the discharge port gate is tightly closed, the outer side end faces of the upper protection plate and the lower protection plate are provided with chamfers along the circumferential direction.

The utility model has the advantages that: the refining shaft is driven by the refining shaft driving mechanism to rotate, and a plurality of groups of spiral blade groups are arranged on the refining shaft, and each spiral blade group consists of a forward spiral blade and a reverse spiral blade.

Drawings

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

FIG. 2 is a schematic front view of the upper and lower guard plates of the present invention;

FIG. 3 is a schematic side view of the upper and lower guard plates of the present invention;

fig. 4 is a schematic structural view of a front view section of the present invention;

FIG. 5 is a schematic structural view of the refining shaft according to the present invention;

in the figure, 1, a hopper 2, a discharge port gate 3, an upper protection plate 4, a lower protection plate 5, a shaft end seal I6, a chamfer 7, a sleeve I8, a shaft end seal II 9, a speed reducer 10, a motor 11, a nut I12, a nut II 13, a refining shaft 14, a sleeve II 15, a forward-rotating helical blade 16 and a reverse-rotating helical blade.

Detailed Description

The present invention will be further described with reference to fig. 1 to 5.

The utility model provides a novel concrete screw propulsion formula cloth machine, includes hopper 1, installs refining axle 13 along controlling the direction horizontal rotation in the

hopper

1, and 1 lower extreme of hopper is provided with a plurality of discharge gates along controlling the direction interval, and each discharge gate is located refining axle 13's below, and every discharge gate top is provided with the discharge gate 2 that is used for sealing the discharge gate or opening, still includes: the refining shaft driving mechanism is arranged on the hopper 1 and used for driving the refining shaft 13 to rotate; the helical blade groups are fixed along the axial direction of the refining shaft 13, the left end of each helical blade group is a forward helical blade 15, the right end of each helical blade group is a reverse helical blade 16, and the helical directions of the forward helical blade 15 and the reverse helical blade 16 are opposite. The refining shaft driving mechanism drives the refining shaft 13 to rotate, and a plurality of groups of spiral blade groups are arranged on the refining shaft 13, each spiral blade group is composed of a forward spiral blade 15 and a reverse spiral blade 16, so when the refining shaft 13 rotates, the forward spiral blade 15 and the reverse spiral blade 16 interact with each other to homogenize the concrete in the hopper 1, the consistency of the height of the concrete liquid level is realized, thereby the discharge amount from the discharge port is ensured to be controllable and consistent, the uniform distribution and the accurate distribution of the concrete screw propulsion type distributing machine are realized, and the automatic distribution can be realized.

Further, the refining shaft driving mechanism comprises a speed reducer 9 arranged on the hopper 1, an output shaft of the speed reducer 9 is in transmission connection with a refining shaft 13, and an input shaft of the speed reducer 9 is in transmission connection with a motor 10. The motor 10 rotates, and drives the refining shaft 13 to rotate after the speed is reduced and the torque is amplified through the speed reducer 9.

Furthermore, the left side end of the refining shaft 13 is in sealed rotary connection with the hopper 1 through a shaft end seal I5, and the right side end of the refining shaft is in sealed rotary connection with the hopper 1 through a shaft end seal II 8. Shaft end seal I5 and shaft end seal II 8 can be patent numbers: there is not oily axle head in ZL200820043535.7 patent to seal, and its first layer adopts the steel ring protection, and the second floor adopts the atmospheric pressure to seal (open in the steel ring and open there is the air flue in the steel ring, can form an atmospheric pressure protection pad in side stirring arm and spindle nose contact surface department when leading to the air flue with certain pressure, makes water and mud not nearly spindle nose, extension mixer life), and the third layer adopts the sealed protection of special steel ring, and the fourth layer adopts the retainer seat to seal. Thereby ensuring sealing performance.

The forward-rotating helical blade 15 is arranged on the sleeve I7, the reverse-rotating helical blade 16 is arranged on the sleeve II 14, the sleeve I7 and the sleeve II 14 are both sleeved and fixed on the refining shaft 13, the left end and the right end of the refining shaft 13 are respectively provided with a threaded section, the nut I11 is screwed on the threaded section on the left side of the refining shaft 13, the inner side end of the nut I11 is in contact with the sleeve I7 on the leftmost side end, the nut II 12 is screwed on the threaded section on the right side of the refining shaft 13, and the inner side end of the nut II 12 is in contact with the sleeve II 14 on the rightmost side end. Because the reverse-rotation helical blade 16 is arranged on the sleeve II 14 and the forward-rotation helical blade 15 is arranged on the sleeve I7, a segmented design is formed, and when a certain forward-rotation helical blade 15 or a certain reverse-rotation helical blade 16 is seriously worn, the nut I11 and the nut II 12 are loosened and then taken down from the refining shaft 13. And then, replacing new spiral blades, and screwing the nut I11 and the nut II 12 to fix each spiral blade on the refining shaft 13.

The upper end of the discharge port is provided with a semicircular upper protective plate 3, the lower end of the discharge port is provided with a semicircular lower protective plate 4, the upper protective plate 3 and the lower protective plate 4 are spliced to form a circular ring structure, and the extending length of the front end of the upper protective plate 3 and the front end of the lower protective plate 4 relative to the hopper 1 is 30 mm. The length of the upper protection plate 3 and the lower protection plate 4 which extend out of the hopper 1 is 30mm and is more than 25mm of the maximum particle size of stones, so that the maximum aggregates in the concrete can be extruded.

Furthermore, the outer end faces of the upper protection plate 3 and the lower protection plate 4 are provided with chamfers 6 along the circumferential direction. At

last backplate

3 and 4 terminal surface chamfers of backplate down, can guarantee that discharge gate 2 and annular

last backplate

3 and 4 terminal surface contact surface minimum, the line contact promptly to ensure that discharge gate 2 can close tightly. Thereby the controllable unanimity of the discharge capacity of every discharge gate has been guaranteed, further realizes even cloth and accurate cloth.

Claims

1. The utility model provides a novel concrete screw propulsion cloth machine, includes hopper (1), installs mixing axle (13) along controlling the direction horizontal rotation in hopper (1), and hopper (1) lower extreme is provided with a plurality of discharge gates along left and right direction interval, and each discharge gate is located the below of mixing axle (13), and every discharge gate top is provided with discharge gate (2) that are used for sealing the discharge gate or open, and its characterized in that still includes:

the refining shaft driving mechanism is arranged on the hopper (1) and is used for driving the refining shaft (13) to rotate;

the spiral blade sets are fixed along the axial direction of the refining shaft (13), the left end of each spiral blade set is a forward spiral blade (15), the right end of each spiral blade set is a reverse spiral blade (16), and the spiral directions of the forward spiral blade (15) and the reverse spiral blade (16) are opposite.

2. The new concrete auger-type distributor according to claim 1, characterized in that: the refining shaft driving mechanism comprises a speed reducer (9) arranged on the hopper (1), an output shaft of the speed reducer (9) is in transmission connection with the refining shaft (13), and an input shaft of the speed reducer (9) is in transmission connection with the motor (10).

3. The new concrete auger-type distributor according to claim 1, characterized in that: the left side end of the refining shaft (13) is connected with the hopper (1) in a sealing and rotating mode through a shaft end seal I (5), and the right side end of the refining shaft is connected with the hopper (1) in a sealing and rotating mode through a shaft end seal II (8).

4. The new concrete auger-type distributor according to claim 1, characterized in that: the spiral refining machine is characterized in that a forward spiral blade (15) is arranged on a sleeve I (7), a reverse spiral blade (16) is arranged on a sleeve II (14), the sleeve I (7) and the sleeve II (14) are sleeved and fixed on a refining shaft (13), thread sections are respectively arranged at the left end and the right end of the refining shaft (13), a nut I (11) is screwed on the thread section at the left side of the refining shaft (13), the inner side end of the nut I (11) is in contact with the sleeve I (7) at the leftmost side end, a nut II (12) is screwed on the thread section at the right side of the refining shaft (13), and the inner side end of the nut II (12) is in contact with the sleeve II (14) at the rightmost side end.

5. The new concrete auger-type distributor according to claim 1, characterized in that: the discharge gate upper end is provided with semicircular upper protection plate (3), and its lower extreme is provided with semicircular lower protection plate (4), and upper protection plate (3) and lower protection plate (4) splice and form ring structure, and the front end of upper protection plate (3) and lower protection plate (4) is relative hopper (1) extension length and is 30 mm.

6. The new concrete auger-type distributor of claim 5, wherein: and chamfers (6) are arranged on the outer side end faces of the upper protection plate (3) and the lower protection plate (4) along the circumferential direction.