CN219968395U - A test mixer for mixing highly homogeneous mortar - Google Patents

Abstract

The utility model discloses a test mixer for mixing highly homogeneous mortar; the test mixer includes a bottom frame, a mixing drum located on the bottom frame, a lifting control mechanism located on the bottom frame and located on one side of the mixing drum, The stirring mechanism is on the lifting control mechanism and acts on the mixing drum; the mixing mechanism includes a stirring motor located on the lifting control mechanism, a main mixing body connected to the mixing motor and can extend into the inside of the mixing drum, and a main mixing body that rotates and cooperates with the main mixing body. The auxiliary mixing body can be extended into the inside of the mixing drum, and the reversing transmission mechanism is provided on the lifting control mechanism and cooperates with the main mixing body and the auxiliary mixing body at the same time. The auxiliary mixing body is in an inverted U shape as a whole. By improving the mixing mechanism, the utility model achieves the purpose of improving the mixing homogeneity of the mortar, and the mixing efficiency is also effectively improved.

Description

A test mixer for mixing highly homogeneous mortar

Technical field

The utility model relates to the technical field of mortar mixing, specifically a test mixer for mixing high-homogeneous mortar.

Background technique

When the existing mortar test mixer performs mixing work, the motor is used to drive the mixing body to rotate, thereby driving the materials to stir in the mixing barrel, thereby achieving the purpose of rapid mixing of the materials;

During the application process of the existing mortar test mixer, there is a gap between the stirring blades on the mixing body and the inner circumferential wall of the mixing barrel. During the mixing process, materials adhere to the barrel wall, resulting in the raw materials not being fully mixed evenly and the material being homogeneous. The homogeneity is poor; improving the homogeneity by increasing the mixing time increases the test duration and energy consumption, and reduces the mixing efficiency of the test mixer.

Utility model content

The purpose of this utility model is to provide a test mixer for mixing highly homogeneous mortar to solve the technical problems of poor mortar mixing uniformity and low mixing efficiency when the existing mortar test mixer is used.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A test mixer for mixing high-homogeneous mortar, including a bottom frame, a mixing drum set on the bottom frame, a lifting control mechanism set on the bottom frame and located on one side of the mixing drum, which is set on the lifting control mechanism and acts on the mixing The stirring mechanism of the drum; the stirring mechanism includes a stirring motor located on the lifting control mechanism, a main stirring body connected to the stirring motor and can extend into the inside of the mixing drum, and a main stirring body that rotates and cooperates with the main stirring body and can extend into the inside of the mixing drum. The auxiliary mixing body and the reversing transmission mechanism are arranged on the lifting control mechanism and cooperate with the main mixing body and the auxiliary mixing body at the same time. The auxiliary mixing body is in an inverted U shape as a whole; the auxiliary mixing body includes a structure fixed on the main mixing body. A fixed cylinder, a movable cylinder that is sleeved on the fixed cylinder and rotates with the fixed cylinder, an arc-shaped rod that is symmetrically located on both sides of the movable cylinder, and a mixing scraper that is located at the end of the arc-shaped rod and slides with the inner wall of the mixing cylinder. plate; the fixed barrel is provided with flanges at both ends; the main mixing body includes a vertically arranged rod body and a stirring paddle provided at the lower end of the rod body; the reversing transmission mechanism includes a first gear located on the rod body, The upper part is rotatably connected to the vertical shaft arranged vertically on the lifting control mechanism, the second gear is provided in the middle of the vertical shaft and meshes with the first gear, the first pulley is provided on the movable cylinder, the lower part of the vertical shaft is provided and a second pulley spaced apart from the second gear, and a synchronous belt connected between the first pulley and the second pulley; the outer diameter of the first gear is smaller than the outer diameter of the second gear.

Further, the stirring scraper includes a plate body and a rubber pad provided on one side of the plate body; one edge of the rubber pad is convex and can press against the inner wall of the mixing barrel.

Further, the lifting control mechanism includes a stand provided on the bottom frame, two guide rods provided on one side of the stand and connected to the bottom frame, a transmission screw located on one side of the stand and connected to the bottom frame, and A lifting motor on the upper side of the stand and connected to the transmission screw, and a lifting seat threaded with the transmission screw; the transmission screw is located between the two guide rods, and the lifting seat is penetrated by the guide rod and slides with the guide rod In cooperation, the upper part of the vertical shaft is rotatably connected to the lifting base, and the stirring motor is fixed on the upper side of the lifting base.

Compared with the existing technology, the beneficial effects of this utility model are:

1. The mortar test mixer is equipped with an auxiliary mixing body. The stirring scraper on the auxiliary mixing body is used to scrape the inner circumferential wall of the mixing drum, so that the mortar adhered to the circumferential wall of the mixing drum and the mortar in the nearby area are effectively mixed, and then Improve the homogeneity of the mortar; the auxiliary mixing body and the main mixing body rotate in opposite directions during mixing and are stirred together, which improves the disturbance effect of the mortar and helps improve the mixing efficiency;

2. During the rotation of the auxiliary mixing body, the rod on the main mixing body drives the reversing transmission mechanism to operate, thereby realizing the rotation of the auxiliary mixing body; this structural design can simplify the driving structure and eliminates the need for an additional motor for driving.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic structural diagram of the main mixing body and the reversing transmission mechanism of the utility model;

Figure 3 is a schematic structural diagram of the stirring scraper in the utility model;

Figure 4 is a schematic cross-sectional structural diagram of the fixed cylinder and the movable cylinder in the utility model.

In the picture: 1-base frame; 2-mixing drum; 3-stand; 4-guide rod; 5-transmission screw; 6-lift motor; 7-lift seat; 8-mixing motor; 9-rod body; 10-stirring Paddle; 11-fixed cylinder; 12-movable cylinder; 13-arc rod; 14-stirring scraper; 15-plate body; 16-rubber pad; 17-first gear; 18-vertical shaft; 19-second Gear; 20-first pulley; 21-second pulley; 22-synchronous belt.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in Figures 1 to 4, a test mixer for mixing highly homogeneous mortar; the test mixer includes a chassis 1, a mixing drum 2, a lifting control mechanism, and a mixing mechanism. The bottom frame 1 is a plane frame structure, providing basic support and fixation; the mixing drum 2 is placed on the bottom frame 1, and the mixing drum 2 is a cylindrical structure; the lifting control mechanism is used to control the lifting and lowering movement of the mixing mechanism relative to the bottom frame 1; The mixing mechanism includes the existing main mixing body and the mixing motor 8 used to control the rotation of the main mixing body, and also includes an auxiliary mixing body and a reversing transmission mechanism; the mixing motor 8 is connected to the lifting seat 7 in the lifting control mechanism through a cylindrical connecting seat. Fixed connection, the mixing motor 8 is located on the upper side of the lifting base 7; the core improvement of the test mixer is the addition of an auxiliary mixing body and a reversing transmission mechanism. The auxiliary mixing body and the reversing transmission mechanism can be used to scrape the material on the inner circumferential wall of the mixing drum 2, so that the adhered materials can be separated and effectively participate in the mixing. The auxiliary mixing body can also realize the stirring function. This improvement can improve the efficiency of mortar mixing. Homogeneity and mixing efficiency of mortar.

The lifting control mechanism includes a stand 3, a guide rod 4, a transmission screw 5, a lifting motor 6 and a lifting seat 7. The stand 3 is fixed on the bottom frame 1 and is located on one side of the mixing drum 2. A transverse frame is provided on the upper side of the stand 3. There are two guide rods 4 arranged at parallel intervals. The guide rods 4 are fixedly connected between the transverse frame and the chassis 1 . The transmission screw 5 is rotatably connected between the base frame 1 and the transverse frame and is located between the two guide rods 4 . The lifting motor 6 is fixed on the transverse frame and connected with the transmission screw 5 to realize the rotation control of the transmission screw 5 . The lifting base 7 is in the shape of a flat plate. The lifting base 7 is penetrated by two guide rods 4, and is also slidably matched with the two guide rods 4. The guide rods 4 are used to guide the up and down movement of the lifting base 7; the lifting base 7 and the transmission screw 5 threads are matched, and the forward and reverse rotation of the transmission screw 5 is used to realize the up and down movement of the lifting base 7.

The main stirring body includes a rod 9 connected to the stirring motor 8 and a stirring blade 10 provided at the lower end of the rod 9 . The rod body 9 is arranged vertically. The rod body 9 also rotates with the lifting base 7. The lifting base 7 is used to provide support and positioning. The mixing blade 10 can penetrate deep into the mixing drum 2.

The auxiliary mixing body is in an inverted U shape as a whole; the auxiliary mixing body includes a fixed cylinder 11, a movable cylinder 12, an arc rod 13 and a stirring scraper 14. The fixed cylinder 11 is fixed on the rod body 9 and is located below the lifting seat 7. The upper and lower ends of the fixed cylinder 11 are provided with flanges. The movable cylinder 12 is sleeved on the fixed cylinder 11 and rotates with the fixed cylinder 11. Both ends of the movable cylinder 12 are slidably matched with the flange. The arc-shaped rods 13 are symmetrically fixed on both sides of the movable cylinder 12. The stirring scraper 14 is fixed on the lower end of the arc-shaped rod 13 and can extend into the mixing drum 2; the stirring scraper 14 structurally includes a plate body 15 and a rubber pad 16 located on one side of the plate body 15; the plate body One side panel of 15 is provided with a plurality of dovetail-shaped convex strips. The rubber pad 16 is plate-shaped and one side panel is provided with a dovetail-shaped groove that matches the dovetail-shaped convex strips. The cooperation of the grooves realizes the detachable connection of the rubber pad 16 relative to the plate body 15, which facilitates the replacement of the rubber pad 16. In order to make the rubber pad 16 effectively act on the inner wall of the mixing drum 2, one side edge of the rubber pad 16 is made into a convex shape. The convex structure formed by the convex shape can press the inner wall of the mixing drum 2 and realize the connection with the mixing drum 2. Due to the sliding fit of the inner wall, the convex structure gradually shrinks from one edge of the rubber pad 16 to the other edge.

The reversing transmission mechanism includes a first gear 17, a vertical shaft 18, a second gear 19, a first pulley 20, a second pulley 21 and a synchronous belt 22. The first gear 17 is fixed on the rod body 9 and is located below the lifting seat 7 . The first gear 17 is also located above the fixed cylinder 11 . The vertical shaft 18 is arranged vertically, and the upper part of the vertical shaft 18 is rotatably connected to the lifting base 7. Two annular protrusions are spaced on the upper part of the vertical shaft 18 and are clamped on the upper and lower sides of the lifting base 7. The annular protrusions are used to realize the vertical axis 18. Vertically fixed relative to the lifting base 7 . The second gear 19 is fixed in the middle of the vertical shaft 18 and meshes with the first gear 17. The outer diameter of the second gear 19 is larger than the outer diameter of the first gear 17, so that the mixing scraper 14 runs slowly relative to the main mixing body. When controlling the rotation of the mixing scraper 14 to the transmission mechanism, the mixing scraper 14 can avoid excessively high and excessive impact on the mixing drum 2, thereby reducing or avoiding the vibration of the mixing drum 2. The first pulley 20 is fixed on the movable cylinder 12, the second pulley 21 is fixed on the lower part of the vertical shaft 18 and is spaced apart from the second gear 19, and the synchronous belt 22 is connected between the first pulley 20 and the second pulley 21 .

The working process and principle of this utility model are:

The mixing drum 2 is placed on the bottom frame 1 in advance, and the lifting motor 6 is used to control the rotation of the transmission screw 5 and move the lifting seat 7 downward; the mixing scraper 14 and the mixing blade 10 move downward and extend into the mixing drum 2; at this time, use The mixing scraper 14 centers the mixing drum 2 so that the axis of the mixing drum 2 coincides with the axis of the rod 9 as much as possible. Then, the lifting motor 6 is used to control the lifting base 7 to move upward, and the stirring scraper 14 and the stirring blade 10 are separated from the mixing drum 2 . After adding materials into the mixing drum 2, control the stirring scraper 14 and the stirring blade 10 to extend into the mixing drum 2 again, and start the stirring motor 8 to perform stirring. During the stirring process, the stirring motor 8 drives the rod 9 to rotate, and then the first gear 17 drives the second gear 19 to rotate. The second gear 19 drives the vertical shaft 18 to rotate synchronously. The vertical shaft 18 passes through the first pulley 20 and the second pulley. 21 and the synchronous belt 22 cooperate to drive the movable cylinder 12 to rotate, and during the rotation, the movable cylinder 12 and the rod 9 rotate in opposite directions; during the rotation of the movable cylinder 12, the stirring scraper 14 is controlled to scrape the inner wall of the mixing cylinder 2, Let the stuck materials participate in the mixing. During the mixing process, the lifting motor 6 can also be used to control the mixing scraper 14 and the mixing blade 10 to move up and down regularly, thereby improving the mixing effect. This mixing method can improve the disturbance effect of the mortar in the mixing drum 2 and improve the homogeneity of the mortar. It can also shorten the mixing time and improve the mixing efficiency.

Claims (3)

1. The test stirrer for stirring the high-uniformity mortar comprises a bottom frame, a stirring cylinder arranged on the bottom frame, a lifting regulating mechanism arranged on the bottom frame and positioned on one side of the stirring cylinder, and a stirring mechanism arranged on the lifting regulating mechanism and acting on the stirring cylinder, and is characterized in that the stirring mechanism comprises a stirring motor arranged on the lifting regulating mechanism, a main stirring body connected with the stirring motor and capable of extending into the stirring cylinder, an auxiliary stirring body rotationally matched with the main stirring body and capable of extending into the stirring cylinder, and a reversing transmission mechanism arranged on the lifting regulating mechanism and simultaneously matched with the main stirring body and the auxiliary stirring body, wherein the whole auxiliary stirring body is in an inverted U shape; the auxiliary stirring body comprises a fixed cylinder fixed on the main stirring body, a movable cylinder sleeved on the fixed cylinder and in rotary fit with the fixed cylinder, arc rods symmetrically arranged on two sides of the movable cylinder, and stirring scraping plates arranged at the ends of the arc rods and in sliding fit with the inner wall of the stirring cylinder; flanges are arranged at two ends of the fixed cylinder; the main stirring body comprises a rod body which is vertically arranged, and stirring paddles which are arranged at the lower end of the rod body; the reversing transmission mechanism comprises a first gear arranged on the rod body, a vertical shaft, a second gear, a first belt wheel, a second belt wheel and a synchronous belt, wherein the upper part of the vertical shaft is rotatably connected to the lifting regulation mechanism and is vertically arranged, the second gear is arranged in the middle of the vertical shaft and is meshed with the first gear, the first belt wheel is arranged on the movable cylinder, the second belt wheel is arranged at the lower part of the vertical shaft and is arranged at intervals with the second gear, and the synchronous belt is connected between the first belt wheel and the second belt wheel; the outer diameter of the first gear is smaller than the outer diameter of the second gear.

2. The test mixer for mixing high-quality mortar according to claim 1, wherein the mixing scraper comprises a plate body and a rubber pad arranged on one side plate surface of the plate body; the edge of one side of the rubber pad is convex and can press the inner wall of the stirring cylinder.

3. The test mixer for mixing high-uniformity mortar according to claim 1, wherein the lifting control mechanism comprises a vertical frame arranged on the bottom frame, two guide rods arranged on one side of the vertical frame and connected with the bottom frame, a transmission screw rod arranged on one side of the vertical frame and connected with the bottom frame, a lifting motor arranged on the upper side of the vertical frame and connected with the transmission screw rod, and a lifting seat in threaded fit with the transmission screw rod; the driving screw is located between the two guide rods, the lifting seat is penetrated by the guide rods and is in sliding fit with the guide rods, the upper portion of the vertical shaft is rotationally connected with the lifting seat, and the stirring motor is fixed on the upper side of the lifting seat.