CN213946946U

CN213946946U - Horizontal shaft type 60-liter concrete test mixer for concrete production

Info

Publication number: CN213946946U
Application number: CN202021936587.4U
Authority: CN
Inventors: 肖云波
Original assignee: Kunming Co Construction Concrete Co ltd
Current assignee: Kunming Co Construction Concrete Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-08-13
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to a cement processing technology field. The horizontal shaft type 60-liter concrete test mixer for producing bidirectional-mixing concrete, which can improve the mixing efficiency, comprises a support and a mixing tank arranged on the support, wherein the mixing tank comprises an obliquely arranged tank body, a feed hopper is arranged on the side wall of the top of the upper end of the tank body, a discharge door is arranged on the side wall of the bottom of the lower end of the tank body, and a mixing mechanism is arranged in the tank body; the stirring mechanism comprises a rotating shaft arranged along the axis of the barrel body, and the rotating shaft consists of an inner shaft and an outer shaft which are coaxially sleeved; the upper end of the outer shaft extends to a position close to the upper end face of the barrel body and is in contact with a limiting disc fixedly arranged on the inner shaft. The utility model discloses a reverse stirring of inside and outside both sides, the degree of consistency of promotion stirring that can be very big improves stirring efficiency.

Description

Horizontal shaft type 60-liter concrete test mixer for concrete production

Technical Field

The utility model relates to a cement processing technology field, concretely relates to concrete production's horizontal axis formula 60 liter concrete test mixer.

Background

Cement is an aqueous binder, which is usually mixed with water to form a cement paste before use, or cement mortar is prepared by adding a binder to the cement paste and adding sand to the cement paste. However, after any cement is mixed with water to form a slurry, it needs to be stirred to make the mixture more uniform. Before mass construction, a sample of concrete is usually tested to verify various modified performance indexes, and the equipment commonly used in the test includes a mixer, a curing box, and the like. The existing test stirrer is generally a barrel body, a group of stirring paddles driven by a rotating shaft are arranged in the barrel body, the materials are stirred by the rotation of the stirring paddles, but the mixing speed of the materials is relatively slow by the unidirectional stirring mode of the stirrer in the actual use, and the efficiency is still to be improved.

Disclosure of Invention

An object of the utility model is to provide a can improve stirring efficiency, the experimental mixer of horizontal shaft type 60 liters of concrete production of two-way stirring.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a horizontal shaft type 60-liter concrete test mixer for concrete production comprises a support and a mixing tank arranged on the support, wherein the mixing tank comprises an obliquely arranged barrel body, a feeding hopper is arranged on the side wall of the top of the upper end of the barrel body, a discharging door is arranged on the side wall of the bottom of the lower end of the barrel body, and a mixing mechanism is arranged in the barrel body;

the stirring mechanism comprises a rotating shaft arranged along the axis of the barrel body, and the rotating shaft consists of an inner shaft and an outer shaft which are coaxially sleeved; the upper end of the outer shaft extends to a position close to the upper end surface of the barrel body and is in contact with a limiting disc fixedly arranged on the inner shaft; the lower end of the outer shaft extends out of the barrel body from the center of the lower end of the barrel body and is in running fit with the barrel body, and a first bevel gear is arranged on the circumferential surface of the lower end of the outer shaft; the upper end of the inner shaft extends out of the barrel body from the center of the upper end of the barrel body and is in transmission connection with a driving motor, the driving motor is installed on a second installation plate, and the second installation plate is fixedly arranged on the upper end face of the barrel body; the lower end of the inner shaft extends beyond the outer shaft, and a second bevel gear is arranged on the circumferential surface of the lower end of the inner shaft; a third bevel gear is further arranged between the first bevel gear and the second bevel gear, the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear, the third bevel gear is installed on a first installation plate, and the first installation plate is fixedly arranged on the lower end face of the barrel body;

the peripheral surface of the outer shaft is provided with a plurality of first stirring rods extending along the radial direction of the outer shaft, the peripheral side of the outer shaft is provided with a plurality of side rods parallel to the outer shaft, the side rods are connected with the inner shaft through short rods, and the connecting positions of the short rods and the inner shaft are positioned between the limiting disc and the upper end surface of the barrel body; a plurality of second stirring rods extending along the radial direction of the barrel body are evenly arranged on the side rods, and the second stirring rods and the first stirring rods are mutually staggered.

Preferably, a plurality of ring grooves are uniformly distributed on the outer shaft along the length direction of the outer shaft, and rotating rings matched with the ring grooves are arranged in the ring grooves; the rotating ring is connected with the side rods through reinforcing rods.

Preferably, the first mounting plate and the second mounting plate are both L-shaped, and a triangular reinforcing rib plate is further arranged between two sides of the L-shaped.

Preferably, two third bevel gears are arranged, and the two third bevel gears are symmetrically distributed on the upper side and the lower side of the inner shaft; a stabilizing frame is further arranged between the third bevel gears, the stabilizing frame is in a square frame shape, a bearing is arranged in the center of the interior of the stabilizing frame, the bearing is fixedly connected with the stabilizing frame through a connecting sheet, and the inner shaft penetrates through the bearing; and the wheel shaft of the third bevel gear penetrates through the upper side wall and the lower side wall of the stabilizing frame and is in running fit with the stabilizing frame.

The beneficial effects of the utility model are concentrated and are embodied in: through the reverse stirring of inside and outside both sides, the degree of consistency of promotion stirring that can be very big improves stirring efficiency. Particularly, the utility model discloses in the use, add the barrel with the material by the feeder hopper in, driving motor starts, and it is rotatory along clockwise or anticlockwise direction to drive interior axle, and interior axle loops through, second bevel gear, third bevel gear, first bevel gear drive outer axle synchronous revolution, and makes outer axle direction of rotation and interior opposite of axle. Under the rotation of interior axle and outer axle, the second puddler on the side lever forms reverse rotation with the epaxial first puddler of outer, stirs the mixture to the material in step, forms reverse stirring. Compared with the traditional one-way stirring, the reverse stirring greatly increases the turbulence of material flow, so the uniformity and speed of material mixing can be well improved, and the stirring efficiency is further improved.

Drawings

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

fig. 2 is a schematic view of the mounting of the stabilizer.

Detailed Description

The horizontal shaft type 60-liter concrete test mixer for concrete production shown in fig. 1-2 comprises a support 1 and a mixing tank arranged on the support 1, wherein the support 1 can be a fixed support or a lifting adjustable support. The mixing drum comprises an obliquely arranged drum body 2, the inclination angle of which can be typically between 10 and 20 °. Be provided with on the lateral wall at 2 upper ends tops of staving 3, the lower extreme bottom and arrange bin gate 4, feeder hopper 3 is used for adding the material, arranges bin gate 4 and opens the material discharge that can accomplish the stirring, and 2 inside rabbling mechanisms that are used for stirring the material that are provided with of staving.

As shown in figure 1, the stirring mechanism comprises a rotating shaft arranged along the axis of the barrel body 2, the rotating shaft is composed of an inner shaft 5 and an outer shaft 6 which are coaxially sleeved, and the inner shaft 5 and the outer shaft 6 are in rotating fit. The upper end of outer axle 6 extends to the position that is close to 2 up end of staving to contact with the fixed spacing dish 7 that sets up on interior axle 5, spacing dish 7 still is provided with the rubber layer near the one side of outer axle 6 upper end usually, and spacing dish 7 plays the effect of the position of the outer 6 upper end of limit axle on the one hand, and on the other hand also has certain leakproofness in the clearance between the interior outer axle, prevents that the material from excessively gushing into.

The lower end of the outer shaft 6 extends out of the barrel body 2 from the center of the lower end of the barrel body 2 and is in running fit with the barrel body 2, and a first bevel gear 8 is arranged on the circumferential surface of the lower end of the outer shaft 6. The upper end of the inner shaft 5 extends out of the barrel body 2 from the center of the upper end of the barrel body 2 and is in transmission connection with a driving motor 9, the driving motor 9 is installed on a second installation plate 10, and the second installation plate 10 is fixedly arranged on the upper end face of the barrel body 2. The lower end of the inner shaft 5 extends beyond the outer shaft 6, and a second bevel gear 11 is provided on the circumferential surface of the lower end of the inner shaft 5. A third bevel gear 12 is further arranged between the first bevel gear 8 and the second bevel gear 11, the third bevel gear 12 is meshed with the first bevel gear 8 and the second bevel gear 11 respectively, the third bevel gear 12 is installed on a first installation plate 13, and the first installation plate 13 is fixedly arranged on the lower end face of the barrel body 2.

In order to further improve the stability of interior axle 5, the installation of third bevel gear 12, the utility model discloses better way can also be, third bevel gear 12 is provided with two, and two third bevel gear 12 symmetric distributions are in the upper and lower both sides of interior axle 5. As shown in fig. 2, a stabilizer 20 is further disposed between the third bevel gears 12, the stabilizer 20 is shaped like a square frame, a support bearing 21 is disposed at the center inside the stabilizer 20, the support bearing 21 is fixedly connected to the stabilizer 20 through a connecting plate 22, and the inner shaft 5 is inserted into the support bearing 21. The axle of the third bevel gear 12 passes through the upper and lower side walls of the stabilizer 20 and forms a rotating fit with the stabilizer 20.

The utility model discloses epaxial stirring subassembly is as follows, be provided with a plurality of first puddlers 14 along outer axle 6 radial extension on outer axle 6 global, outer week side of 6 is provided with many side lever 15 parallel with outer axle 6, side lever 15 is connected with interior axle 5 through quarter butt 16, and the hookup location of quarter butt 16 and interior axle 5 is located between spacing dish 7 and the up end of staving 2. A plurality of second stirring rods 17 extending along the radial direction of the barrel body 2 are uniformly arranged on the side rods 15, and the second stirring rods 17 and the first stirring rods 14 are staggered with each other to avoid mutual interference in the process of reverse rotation.

The utility model discloses in the use, in adding the staving 2 with the material by the feeder hopper, driving motor 9 starts, and it is rotatory along clockwise or anticlockwise to drive interior axle 5, and interior axle 5 loops through second bevel gear 11, third bevel gear 12, first bevel gear 8 and drives outer axle 6 synchronous revolution, and makes outer axle 6 direction of rotation and interior axle 5 opposite. Under the rotation of the inner shaft 5 and the outer shaft 6, the second stirring rods 17 on the side rods 15 and the first stirring rods 14 on the outer shaft 6 rotate reversely, and synchronously stir and mix the materials to form reverse stirring. Compared with the traditional one-way stirring, the reverse stirring greatly increases the turbulence of material flow, so the uniformity and speed of material mixing can be well improved, and the stirring efficiency is further improved.

Because side lever 15's length is longer, in order to further improve side lever 15's stability, outer epaxial edge outer shaft 6 length direction evenly distributed has a plurality of annulars, be provided with in the annular with annular matched with swivel ring 18. The rotating ring 18 is connected with the side bars 15 through reinforcing bars 19. On the basis, in order to improve the installation stability of the driving motor 9 and the third bevel gear 12, the first installation plate 13 and the second installation plate 10 are both L-shaped, and a triangular reinforcing rib plate is further arranged between two sides of the L-shaped.

Claims

1. A horizontal shaft type 60-liter concrete test mixer for concrete production comprises a support (1) and a mixing tank arranged on the support (1), wherein the mixing tank comprises a tank body (2) which is obliquely arranged, a feed hopper (3) is arranged on the side wall of the top of the upper end of the tank body (2), a discharge door (4) is arranged on the side wall of the bottom of the lower end of the tank body, and a mixing mechanism is arranged in the tank body (2);

the method is characterized in that: the stirring mechanism comprises a rotating shaft arranged along the axis of the barrel body (2), and the rotating shaft consists of an inner shaft (5) and an outer shaft (6) which are coaxially sleeved; the upper end of the outer shaft (6) extends to a position close to the upper end surface of the barrel body (2) and is in contact with a limiting disc (7) fixedly arranged on the inner shaft (5); the lower end of the outer shaft (6) extends out of the barrel body (2) from the center of the lower end of the barrel body (2) and is in running fit with the barrel body (2), and a first bevel gear (8) is arranged on the circumferential surface of the lower end of the outer shaft (6); the upper end of the inner shaft (5) extends out of the barrel body (2) from the center of the upper end of the barrel body (2) and is in transmission connection with a driving motor (9), the driving motor (9) is installed on a second installation plate (10), and the second installation plate (10) is fixedly arranged on the upper end face of the barrel body (2); the lower end of the inner shaft (5) extends beyond the outer shaft (6), and a second bevel gear (11) is arranged on the peripheral surface of the lower end of the inner shaft (5); a third bevel gear (12) is further arranged between the first bevel gear (8) and the second bevel gear (11), the third bevel gear (12) is respectively meshed with the first bevel gear (8) and the second bevel gear (11), the third bevel gear (12) is installed on a first installation plate (13), and the first installation plate (13) is fixedly arranged on the lower end face of the barrel body (2);

a plurality of first stirring rods (14) extending along the radial direction of the outer shaft (6) are arranged on the circumferential surface of the outer shaft (6), a plurality of side rods (15) parallel to the outer shaft (6) are arranged on the circumferential side of the outer shaft (6), the side rods (15) are connected with the inner shaft (5) through short rods (16), and the connecting positions of the short rods (16) and the inner shaft (5) are positioned between the limiting disc (7) and the upper end surface of the barrel body (2); a plurality of second stirring rods (17) which radially extend along the barrel body (2) are uniformly arranged on the side rods (15), and the second stirring rods (17) and the first stirring rods (14) are mutually staggered.

2. A horizontal axis 60 liter concrete test mixer for concrete production as claimed in claim 1 wherein: a plurality of ring grooves are uniformly distributed on the outer shaft (6) along the length direction of the outer shaft (6), and rotating rings (18) matched with the ring grooves are arranged in the ring grooves; the rotating ring (18) is connected with the side rod (15) through a reinforcing rod (19).

3. A horizontal axis 60 liter concrete test mixer for concrete production as claimed in claim 2 wherein: the first mounting plate (13) and the second mounting plate (10) are both L-shaped, and a triangular reinforcing rib plate is arranged between two sides of the L-shaped.

4. A horizontal axis 60 liter concrete test mixer for concrete production according to claim 3 wherein: the number of the third bevel gears (12) is two, and the two third bevel gears (12) are symmetrically distributed on the upper side and the lower side of the inner shaft (5); a stabilizing frame (20) is further arranged between the third bevel gears (12), the stabilizing frame (20) is in a square frame shape, a bearing (21) is arranged at the center inside the stabilizing frame (20), the bearing (21) is fixedly connected with the stabilizing frame (20) through a connecting sheet (22), and the inner shaft (5) penetrates through the bearing (21); the wheel shaft of the third bevel gear (12) penetrates through the upper side wall and the lower side wall of the stabilizing frame (20) and is in running fit with the stabilizing frame (20).