CN217726188U - Impurity screening device for concrete additive preparation - Google Patents

Abstract

The utility model discloses an impurity screening device for the preparation of concrete additives, which comprises a screening box, a feeding hopper is arranged at the upper end of the screening box, a fixing frame is inserted in the inner part of the screening box, and the screen A slot is provided on one side of the sub-box, the fixing frame is inserted into the interior of the screening box through the slot, a slot is opened on the inner wall of the screening box, and the fixing frame is inserted into the slot and fixed. The inside of the frame is detachably installed with a screening frame. The outer walls of the two sets of rotating shafts are provided with snap blocks for fixing the screening frames. Two sets of vibration motors are symmetrically installed on the inner wall of the fixed frame. A screen is provided. When the utility model is in use, since the fixing frame is inserted into the slot, and the screening frame is detachably installed inside the fixing frame, it is convenient to take out the fixing frame and replace the screening frame, so that the screen after the replacement can be easily removed. The sub-frame can sieve and remove smaller impurities, which is very convenient to use.

Description

Impurity screening device for concrete additive preparation

technical field

The utility model relates to the technical field of concrete production equipment, in particular to an impurity screening device for concrete additive preparation.

Background technique

Concrete admixtures are chemical substances that are mixed in the process of mixing concrete, accounting for less than 5% of the cement mass, and can significantly improve the performance of concrete. With the characteristics of less investment, quick results, and significant technical and economic benefits, with the continuous advancement of science and technology, admixtures have been used more and more. Admixtures can improve the carbonation resistance of concrete to a certain extent. The carbonation depth of concrete There is a certain linear relationship between porosity and porosity.

In the prior art, during the preparation of concrete additives, the raw materials of some concrete additives are doped with impurities, so it is necessary to screen the raw materials of concrete additives, but most of the screening screens of existing screening equipment are fixed installations. It is inconvenient to replace the sieve mesh to change the mesh number of the sieve mesh, and it is easy to cause small impurities that cannot be sieved and removed, and when the sieve mesh is used to sieve the concrete additive raw materials, the concrete additive raw materials are easy to accumulate on the sieve The upper end of the subnet leads to low screening efficiency and is not convenient to use. Therefore, we need to propose an impurity screening device for concrete additive preparation.

Utility model content

The purpose of this utility model is to provide a kind of impurity screening device for the preparation of concrete additives. Since the fixed frame is plugged into the slot, and the screening frame is detachably installed inside the fixed frame, it is convenient to take out the fixed frame. The sieving frame is replaced, so that the replaced sieving frame can sieve and remove smaller impurities, which is very convenient to use, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a device for screening out impurities for the preparation of concrete additives, including a screening box, the upper end of the screening box is provided with a feeding hopper, the inside of the screening box is inserted A fixed frame is connected, and a notch is opened on one side of the screening box, and the fixed frame is inserted into the inside of the screening box through the notch, and a slot is opened on the inner wall of the screening box, and the fixed The frame is plugged into the slot, and the inside of the fixed frame is detachably installed with a screening frame. One side of the fixed frame is installed with a rotating shaft for damping rotation, and two groups of rotating shafts are symmetrically arranged. The two groups of rotating shafts The outer walls of the screen are provided with clamping blocks for fixing the screening frame, two groups of vibrating motors are symmetrically installed on the inner wall of the fixed frame, and the inner bottom of the screening frame is provided with a screen.

Preferably, the discharge end of the feed hopper runs through the top of the screening box and extends to the inside of the screen box, and the discharge end of the feed hopper is located directly above the screening frame, and the upper end of the feed hopper A blocking cover is provided detachably.

Preferably, one side of the fixed frame is fixedly connected with a side plate, the side plate is located inside the notch, and a handle is fixedly installed on one side of the side plate.

Preferably, the inner wall of the fixed frame is symmetrically provided with two groups of grooves, the outer wall of the screening frame is fixedly connected with fixed blocks, and two groups of fixed blocks are arranged symmetrically, and the fixed blocks of the two groups One end is respectively located inside the two groups of grooves.

Preferably, the inner bottom of the screening box is inclined, the lower end of one side of the screening box is connected with a discharge pipe, and the discharge pipe is connected to the lower side of the inner bottom of the screening box.

Preferably, the lower end of one side of the screening box is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly mounted with a material pump, and one end of the discharge pipe runs through one side of the mounting plate and the feed end of the material pump. connected.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model adopts the design of the fixed frame, slot, side plate, handle, screening frame, clamping block and other structures. When the screening frame needs to be replaced to change the mesh number of the screen, the fixed frame inserts Connected to the inside of the slot, the fixed frame is fixedly connected to one side of the side plate, take out the fixed frame through the handle, and then turn the clamping block to remove it from the top of the screening frame, and then the screening frame can be removed , to realize the replacement of the screening frame, the replaced screening frame can screen and remove small impurities, because the disassembly process of the screening frame is more convenient, so it is convenient to remove the impurities screened out of the screening frame Easy to clean and easy to use;

2. The utility model uses a vibrating motor installed on the inner wall of the fixed frame. When more concrete additive raw materials are accumulated on the sieving frame and the screening efficiency of the sieving frame is reduced, the vibrating motor is used to drive the fixed frame to vibrate, thereby The screening frame is driven to vibrate, so that the screening frame can improve the efficiency of screening and removing impurities of the concrete additive raw materials inside it.

Description of drawings

Fig. 1 is the sectional structural representation of the utility model;

Fig. 2 is the schematic diagram of the axonometric structure of the utility model fixed frame and screening frame;

Fig. 3 is a top structural schematic diagram of the fixing frame of the present invention.

In the figure: 1. Screening box; 2. Feeding hopper; 3. Blocking cover; 4. Fixed frame; 5. Slot; 6. Side plate; 7. Handle; 8. Screening frame; 9. Rotating shaft; 10. Clamping block; 11. Groove; 12. Fixed block; 13. Vibration motor; 14. Screen; 15. Discharge pipe; 16. Material pump; 17. Mounting plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-3, the utility model provides a technical solution:

An impurity screening device for concrete additive preparation, comprising a screening box 1, the upper end of the screening box 1 is provided with a feeding hopper 2, and the discharge end of the feeding hopper 2 runs through the top of the screening box 1 and extends to the screening The inside of the box 1, and the discharge end of the feed hopper 2 is located directly above the screening frame 8, and the upper end of the feed hopper 2 is detachably provided with a plugging cover 3, and the concrete additive raw materials that need to be screened are put into the feed hopper. The inside of the hopper 2, then the concrete additive raw material falls on the inside of the screening frame 8 through the feed hopper 2 for screening and removal of impurities. Other debris falls in the inside of the screening box 1;

The inside of the screening box 1 is inserted with a fixed frame 4, one side of the screening box 1 is provided with a notch, the fixed frame 4 is inserted into the inside of the screening box 1 through the notch, and the inner wall of the screening box 1 is provided with The slot 5, the fixed frame 4 is plugged into the slot 5, one side of the fixed frame 4 is fixedly connected with a side plate 6, the side plate 6 is located inside the notch, and one side of the side plate 6 is fixedly equipped with a handle 7, By inserting the fixed frame 4 inside the slot 5, the fixed frame 4 can be taken out from the inside of the screening box 1 by using the handle 7, so as to clean up the sieved impurities inside the screening frame 8;

The inside of the fixed frame 4 is detachably equipped with a screening frame 8, and one side of the fixed frame 4 is mounted with a rotating shaft 9 for damping rotation, and two groups of rotating shafts 9 are symmetrically arranged, and the outer walls of the two groups of rotating shafts 9 are provided with a screen for fixing the screen. The clamping block 10 of the sub-frame 8 is symmetrically provided with two groups of grooves 11 on the inner wall of the fixed frame 4, and the outer wall of the screening frame 8 is fixedly connected with a fixed block 12, and the fixed block 12 is symmetrically provided with two groups, One end of the two sets of fixed blocks 12 is respectively located inside the two sets of grooves 11. After the screening frame 8 is placed inside the fixed frame 4, one end of the clamping block 10 is rotated to the screening frame through the clamping block 10 of the rotating shaft. The upper end of 8 is used to compress and fix the screening frame 8. When it is necessary to replace the screening frame 8 with different meshes, it is convenient to remove the screening frame 8 for replacement;

Two groups of vibrating motors 13 are symmetrically installed on the inner wall of the fixed frame 4, and a screen 14 is arranged at the inner bottom of the screening frame 8, and the concrete additive raw materials are screened and removed by using the screen 14. When the upper screen of the screening frame 8 After accumulating a lot of concrete additive raw materials, when the screening efficiency of the screening frame 8 is reduced, the vibration motor 13 is used to drive the fixed frame 4 to vibrate, thereby driving the screening frame 8 to vibrate, so that the screening frame 8 can reduce the amount of concrete additive raw materials inside. The efficiency of screening and removing impurities is improved;

The inner bottom of the screening box 1 is inclined, and the lower end of one side of the screening box 1 is connected with a discharge pipe 15, and the discharge pipe 15 is connected to the lower side of the inner bottom of the screening box 1. The lower end of one side is fixedly connected with a mounting plate 17, and the upper end of the mounting plate 17 is fixedly equipped with a material pump 16. One end of the discharge pipe 15 runs through the side of the mounting plate 17 and communicates with the feed end of the material pump 16. After screening After the concrete additive raw material falls on the inner bottom of the screening box 1, the concrete additive raw material can be taken out by the material pump 16 for subsequent use.

When the utility model is used in practice, the plugging cover 3 is first opened, and the concrete additive raw materials that need to be screened are put into the inside of the feed hopper 2, and then the concrete additive raw materials pass through the feed hopper 2 and fall into the inside of the screening frame 8 , and then turn on the vibration motor 13 installed on the inner wall of the fixed frame 4, and use the vibration motor 13 to drive the fixed frame 4 to vibrate, thereby driving the screening frame 8 to vibrate, for screening and removing impurities from the concrete additive raw materials inside the screening frame 8 , the sieved concrete additive raw material will fall on the inner bottom of the screening box 1, and then the material pump 16 is opened, and the concrete additive raw material is taken out by the material pump 16 for subsequent use;

Since the fixed frame 4 is plugged into the inside of the screening box 1, when the screening frame 8 needs to be replaced, the fixed frame 4 can be taken out by the handle 7, and then the clamping block 10 is rotated so that the clamping block 10 can be removed from the screen The top of the frame 8 is removed, and then the screening frame 8 can be removed, realizing the replacement of the screening frame 8;

When more impurities are accumulated inside the screening frame 8, the above steps can be repeated, the screening frame 8 is taken out, and the impurities inside the screening frame 8 are poured out to realize the cleaning of the screening frame 8, which is very convenient to use. convenient.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a concrete additive preparation is with impurity sieving device, includes screening case (1), its characterized in that: the screening box comprises a screening box body (1), a feed hopper (2) is arranged at the upper end of the screening box body (1), a fixing frame (4) is inserted into the screening box body (1), a notch is formed in one side of the screening box body (1), the fixing frame (4) is inserted into the screening box body (1) through the notch, a slot (5) is formed in the inner wall of the screening box body (1), the fixing frame (4) is inserted into the slot (5), a screening frame (8) is detachably mounted in the fixing frame (4), a rotating shaft (9) is mounted in one side of the fixing frame (4) in a damping rotating mode, the rotating shaft (9) is symmetrically provided with two sets of clamping blocks (10) used for fixing the screening frame (8) and is two sets of clamping blocks, two sets of vibrating motors (13) are symmetrically mounted on the inner wall of the fixing frame (4), and a screen (14) is arranged at the inner bottom of the screening frame (8).

2. The impurity screening device for preparing concrete additive according to claim 1, wherein: the discharge end of feeder hopper (2) runs through the top of screening case (1) and extends to the inside of screening case (1), and the discharge end of feeder hopper (2) is located screening frame (8) directly over, the upper end of feeder hopper (2) can be dismantled and be provided with shutoff lid (3).

3. The impurity screening device for preparing concrete additive according to claim 1, wherein: one side fixedly connected with curb plate (6) of fixed frame (4), curb plate (6) are located the inside of notch, one side fixed mounting of curb plate (6) has handle (7).

4. The impurity screening device for preparing the concrete additive according to claim 1, wherein: be the symmetry on the inner wall of fixed frame (4) and seted up two sets of recess (11), fixedly connected with fixed block (12) on the outer wall of screening frame (8), and fixed block (12) are the symmetry and are provided with two sets ofly, two sets of the one end of fixed block (12) is located the inside of two sets of recesses (11) respectively.

5. The impurity screening device for preparing concrete additive according to claim 1, wherein: the interior bottom of screening case (1) is the slope setting, the lower extreme intercommunication of screening case (1) one side has discharging pipe (15), and discharging pipe (15) communicate in the lower side of the interior bottom of screening case (1).

6. The impurity screening device for preparing concrete additive according to claim 5, wherein: the screening box is characterized in that a mounting plate (17) is fixedly connected to the lower end of one side of the screening box (1), a material pump (16) is fixedly mounted on the upper end of the mounting plate (17), and one end of a discharging pipe (15) penetrates through one side of the mounting plate (17) and is communicated with the feeding end of the material pump (16).

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