Feeding and mixing device for preparing water reducing agent

Abstract

The utility model relates to the technical field of water reducing agent preparation, in particular to a water reducing agent preparation feeding and mixing device which comprises a supporting platform, a feeding hopper, a material separating plate and a circular truncated cone column, the supporting platform is rotationally connected with the feeding hopper through a bearing, the material separating plate is fixedly installed at the upper end of the inner side wall of the feeding hopper, and the circular truncated cone column is fixedly installed at the top of the material separating plate. The feeding and mixing assembly comprises a stirring motor, a stirring shaft, a stirring component, a sealing bearing and an electric valve, the stirring motor is fixedly connected with the circular truncated cone column, the stirring shaft is fixedly connected with the rotating output end of the stirring motor, the stirring component is connected with the stirring shaft, one side of the sealing bearing is fixedly connected with the stirring shaft, and the other side of the sealing bearing is fixedly connected with the electric valve. The other side of the sealing bearing is fixedly connected with the material partition plate, the sealing bearing is rotationally connected with the stirring shaft and the material partition plate, the electric valve is installed at the lower end of the feeding hopper, and the effects that the pre-stirring and mixing effect of the feeding and mixing device is improved, and the mixing uniformity of mixed materials is improved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water reducer preparation, in particular to a feeding and mixing device for water reducer preparation. Background Art

[0002] In order to improve or enhance the performance of carboxylic acid water reducer, it is often necessary to mix carboxylic acid water reducer with compounding materials to prepare a compound polycarboxylic acid water reducer. During the mixing process, chemical reactions will also occur, and the control of the addition amount is extremely strict. Currently, the feeding device has inaccurate feeding and lax control, resulting in surplus when there is too much material or insufficient reaction when there is too little material, both of which will affect the quality of the compound polycarboxylic acid water reducer. Currently, when feeding, multiple feeding ports need to be set in the reaction kettle, which reduces the tightness of the reaction kettle, has a relatively low feeding efficiency, and is not conducive to the uniform mixing of materials in the reaction kettle.

[0003] The prior art CN110302723B discloses a feeding device for compound polycarboxylic acid water reducer, including a support platform and a feeding hopper. The small end of the feeding hopper is connected to the support platform. A partition plate is arranged inside the feeding hopper. A frustum column is fixedly connected to the center of the partition plate. A partition board is fixedly connected between the side surface of the frustum column and the inner wall of the feeding hopper. A detector is arranged on the side surface of the frustum column. The partition board is provided with a discharge port, and a first solenoid valve is arranged at the discharge port; it realizes improving the accuracy of feeding and strict feeding control; realizes simultaneous feeding of multiple materials, improves the feeding efficiency, reduces the setting of feeding ports in the reaction kettle, and improves the tightness; pre-mixes the materials to improve the mixing uniformity of the mixture.

[0004] However, in the above technology, a stirring rod is fixedly connected to the side wall of the feeding hopper below the partition plate. During the rotation of the feeding hopper driven by the motor, the stirring rod stirs the materials; but the stirring rod is fixedly installed on the side wall of the feeding hopper, and the stirring effect of the stirring rod on the materials when the feeding hopper rotates is not great, and the materials cannot be well pre-mixed, affecting the feeding and mixing effect. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a feeding and mixing device for water reducer preparation, which solves the problem that in the prior art, the stirring rod is fixedly installed on the side wall of the feeding hopper, and the stirring effect of the stirring rod on the materials when the feeding hopper rotates is not great, and the materials cannot be well pre-mixed, affecting the feeding and mixing effect.

[0006] To achieve the above purpose, the utility model provides a feeding and mixing device for water reducer preparation, including a support platform, a feeding hopper, a partition plate and a frustum column. The feeding hopper is rotatably connected to the support platform through a bearing. The partition plate is fixedly installed at the upper end of the inner side wall of the feeding hopper. The frustum column is fixedly installed on the top of the partition plate.

[0007] It also includes a feeding and mixing assembly;

[0008] The feeding and mixing assembly includes a stirring motor, a stirring shaft, a stirring member, a sealing bearing and an electric valve. The stirring motor is fixedly connected to the frustum column and is located inside the frustum column. The stirring shaft is fixedly connected to the rotating output end of the stirring motor and is located below the stirring motor. The stirring member is connected to the stirring shaft and is located outside the stirring shaft. One side of the sealing bearing is fixedly connected to the stirring shaft, and the other side of the sealing bearing is fixedly connected to the baffle plate. The sealing bearing rotatably connects the stirring shaft and the baffle plate. The electric valve is installed at the lower end of the feeding hopper.

[0009] Among them, the stirring member includes a stirring rod and a diversion rod. The stirring rod is fixedly connected to the stirring shaft and is located outside the stirring shaft; the diversion rod is fixedly connected to the stirring rod and is located at the bottom of the stirring rod.

[0010] Among them, the frustum column has a mounting groove and a through hole. The mounting groove is arranged at the lower end of the frustum column and cooperates with the stirring motor; the through hole is arranged at the bottom of the frustum column and cooperates with the stirring shaft; the baffle plate has a mounting hole, and the mounting hole is arranged at the middle position of the baffle plate and cooperates with the sealing bearing.

[0011] Among them, the support platform has a mounting groove, and the mounting groove is arranged on one side of the support platform close to the electric valve and cooperates with the electric valve.

[0012] Among them, the feeding and mixing assembly also includes a support ring and a support rod. The support ring is rotatably connected to the support platform and is located on the upper side of the support platform; one end of the support rod is fixedly connected to the support ring, and the other end of the support rod is fixedly connected to the feeding hopper; the support platform also has an annular groove, and the annular groove is arranged on the upper side of the support platform and cooperates with the support ring.

[0013] In a water reducing agent preparation feeding and mixing device of the present utility model, when the water reducing agent preparation feeding and mixing device performs feeding and mixing work, first, materials are respectively input onto the baffle plate according to the mixing ratio of the water reducing agent, so as to realize the simultaneous feeding of multiple materials into the feeding hopper. Then, the stirring motor is started to drive the stirring shaft to rotate, and the stirring shaft drives the stirring member to stir the materials input into the feeding hopper, thereby improving the pre-stirring and mixing effect of the feeding and mixing device through the feeding and mixing assembly and improving the mixing uniformity of the mixed materials. Description of the Drawings

[0014] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0015] Figure 1 It is a schematic structural diagram of a feeding and mixing device for preparing water reducing agent of the present utility model.

[0016] Figure 2 It is a front view cross-sectional view of a feeding and mixing device for preparing water reducing agent of the present utility model.

[0017] Figure 3 It is a partial schematic structural diagram of a feeding and mixing component of the present utility model.

[0018] In the figure: 101 - support platform, 102 - feeding hopper, 103 - partition plate, 104 - frustum column, 105 - stirring motor, 106 - stirring shaft, 107 - sealing bearing, 108 - electric valve, 109 - stirring rod, 110 - shunt rod, 111 - installation groove, 112 - through hole, 113 - installation hole, 114 - installation slot, 115 - support ring, 116 - support rod, 117 - annular groove. Specific embodiments

[0019] The following will describe in detail the embodiments of the present utility model. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0020] The first embodiment:

[0021] Please refer to Figures 1 to 3 , in which Figure 1 is a schematic structural diagram of a feeding and mixing device for preparing water reducing agent of the present utility model, Figure 2 is a front view cross-sectional view of a feeding and mixing device for preparing water reducing agent of the present utility model, Figure 3 is a partial schematic structural diagram of a feeding and mixing component of the present utility model.

[0022] A feeding and mixing device for preparing water reducing agent of the utility model: It includes a support platform 101, a feeding hopper 102, a partition plate 103, a frustum column 104 and a feeding and mixing assembly. The feeding and mixing assembly includes a stirring motor 105, a stirring shaft 106, a stirring member, a sealing bearing 107 and an electric valve 108. The stirring member includes a stirring rod 109 and a shunt rod 110. The frustum column 104 has an installation groove 111 and a through hole 112. The partition plate 103 has an installation hole 113. The support platform 101 has an installation groove 114 and an annular groove 117. The feeding and mixing assembly further includes a support ring 115 and a support rod 116. Through the foregoing solution, the problem in the prior art that the stirring rod 109 is fixedly installed on the side wall of the feeding hopper 102, and the rotation of the feeding hopper 102 has little effect on the stirring of the materials, and the materials cannot be pre-mixed well, affecting the feeding and mixing effect, is solved. It can be understood that the foregoing solution can improve the pre-stirring and mixing effect of the feeding and mixing device and improve the mixing uniformity of the mixed materials.

[0023] In this embodiment, it includes the support platform 101, the feeding hopper 102, the partition plate 103 and the frustum column 104. The feeding hopper 102 is rotatably connected to the support platform 101 through a bearing. The partition plate 103 is fixedly installed at the upper end of the inner side wall of the feeding hopper 102. The frustum column 104 is fixedly installed at the top of the partition plate 103. The support platform 101 is of a cuboid structure, and a circular hole is provided at the middle position thereof, which is matched with the bearing for the rotational installation of the feeding hopper 102, so that the feeding hopper 102 can be rotatably installed on the support platform 101 through the bearing. The partition plate 103 is fixedly installed on the upper inner side wall of the feeding hopper 102. The partition plate 103 is provided with partition plates, which cooperate with the inner wall of the feeding hopper 102 to enclose a plurality of feeding spaces. A plurality of feeding pipes are provided on the partition plate 103, and electromagnetic valves are provided on the feeding pipes to control the feeding rate through the electromagnetic valves. The frustum column 104 is fixedly installed at the middle position of the top of the partition plate 103. Detectors are provided between two partition plates on the frustum column 104. The feeding amount is adjusted by adjusting the detection height of the detectors. A groove is provided at the middle position of the top of the frustum column 104 for connecting with an external liftable feeding cover to realize simultaneous feeding of multiple materials and improve the feeding efficiency.

[0024] Among them, the stirring motor 105 is fixedly connected to the frustum column 104 and is located inside the frustum column 104. The stirring shaft 106 is fixedly connected to the rotating output end of the stirring motor 105 and is located below the stirring motor 105. The stirring member is connected to the stirring shaft 106 and is located outside the stirring shaft 106. One side of the sealing bearing 107 is fixedly connected to the stirring shaft 106, and the other side of the sealing bearing 107 is fixedly connected to the material separating plate 103. The sealing bearing 107 rotatably connects the stirring shaft 106 and the material separating plate 103. The electric valve 108 is installed at the lower end of the feed hopper 102. The installation groove 114 is arranged on one side of the support platform 101 close to the electric valve 108 and cooperates with the electric valve 108. The installation groove 111 is arranged at the lower end of the frustum column 104 and cooperates with the stirring motor 105; the through hole 112 is arranged at the bottom of the frustum column 104 and cooperates with the stirring shaft 106; the installation hole 113 is arranged at the middle position of the material separating plate 103 and cooperates with the sealing bearing 107.The stirring motor 105 is fixedly installed in the installation groove 111 of the frustum column 104. The rotating output end of the stirring motor 105 is located at the bottom. And a through hole 112 matching the diameter of the stirring shaft 106 is provided at the bottom of the frustum column 104. The through hole 112 communicates with the installation groove 111, which is used to realize the installation and connection of the stirring motor 105 and the stirring shaft 106. The upper end of the stirring shaft 106 penetrates through the installation hole 113 in the middle of the material separation plate 103 and extends into the frustum column 104 to be fixedly connected with the rotating output end of the stirring motor 105. The installation hole 113 penetrates through the material separation plate 103, and the diameter of the installation hole 113 matches the diameter of the sealing bearing 107. The inner diameter of the sealing bearing 107 matches the diameter of the stirring shaft 106. The rotating connection between the stirring shaft 106 and the material separation plate 103 is realized through the sealing bearing 107, and the sealing inside the feed hopper 102 is realized through the sealing bearing 107 to ensure the preparation cleanliness. The stirring member is installed on the stirring shaft 106. The stirring shaft 106 is driven to rotate by the stirring motor 105, and the stirring shaft 106 drives the stirring member to stir and mix the materials input into the feed hopper 102. At the lower end of the support platform 101 near the feed hopper 102, an electric valve 108 is provided. One end of the electric valve 108 located at the feed hopper 102 is fixedly installed in the installation groove 114 of the support platform 101. The pre-mixing feed switch and rate of the feed hopper 102 are controlled through the electric valve 108. Therefore, when the water reducing agent preparation feeding and mixing device performs the feeding and mixing work, first, according to the water reducing agent mixing ratio, the materials are respectively input onto the material separation plate 103 to realize the simultaneous feeding of multiple materials into the feed hopper 102. Then, the stirring motor 105 is started to drive the stirring shaft 106 to rotate. The stirring shaft 106 drives the stirring member to stir the materials input into the feed hopper 102. Furthermore, through the feeding and mixing assembly, the pre-stirring and mixing effect of the feeding and mixing device is improved, and the mixing uniformity of the mixed materials is improved.

[0025] Secondly, the stirring rod 109 is fixedly connected to the stirring shaft 106 and is located outside the stirring shaft 106. The shunt rod 110 is fixedly connected to the stirring rod 109 and is located at the bottom of the stirring rod 109. There are multiple stirring rods 109, and they are arranged according to the hopper structure of the feed hopper 102. The stirring rods 109 from top to bottom are getting shorter, and a shunt rod 110 is provided at the bottom of each stirring rod 109. When the materials are stirred by the stirring rods 109, the stirring and mixing degree of the materials is improved through the multiple shunt rods 110. The stirring of the materials is realized through the stirring rods 109 and the shunt rods 110.

[0026] Meanwhile, the support ring 115 is rotatably connected to the support platform 101 and is located above the support platform 101; one end of the support rod 116 is fixedly connected to the support ring 115, and the other end of the support rod 116 is fixedly connected to the feed hopper 102; the annular groove 117 is arranged above the support platform 101 and cooperates with the support ring 115. The support ring 115 is circular, the size of the support ring 115 matches the bottom of the annular groove 117, the cross-section of the annular groove 117 is an inverted T shape, the size of the upper end of the annular groove 117 matches the size of the support rod 116, which provides conditions for the limited annular rotation of the support ring 115 and the support rod 116. Moreover, a plurality of the support rods 116 are fixedly installed at the top of the support ring 115 at equal intervals, and the upper end of the support rod 116 cooperates with the outer side wall of the feed hopper 102. The feed hopper 102 is connected by the support rods 116, and the feed hopper 102 is supported by the cooperation of a plurality of the support rods 116 and the support ring 115, so that the rotational installation of the feed hopper 102 on the support platform 101 is more stable.

[0027] When using a water reducer preparation feeding and mixing device of the present invention, when the water reducer preparation feeding and mixing device performs feeding and mixing operations, first, materials are respectively input onto the partition plate 103 according to the mixing ratio of the water reducer, so as to realize the simultaneous feeding of multiple materials into the feed hopper 102. Then, the stirring motor 105 is started to drive the stirring shaft 106 to rotate, and the stirring shaft 106 drives the stirring member to stir the materials input into the feed hopper 102. Furthermore, through the feeding and mixing assembly, the pre-stirring and mixing effect of the feeding and mixing device is improved, and the mixing uniformity of the mixed materials is enhanced.

[0028] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand the whole or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A feeding and mixing device for preparing water reducing agent, comprising a support platform, a feeding hopper, a partition plate and a frustum column. The feeding hopper is rotatably connected to the support platform through a bearing. The partition plate is fixedly installed at the upper end of the inner side wall of the feeding hopper. The frustum column is fixedly installed on the top of the partition plate, and is characterized in that, it further comprises a feeding and mixing assembly; The feeding and mixing assembly includes a stirring motor, a stirring shaft, a stirring member, a sealing bearing and an electric valve. The stirring motor is fixedly connected to the frustum column and is located inside the frustum column. The stirring shaft is fixedly connected to the rotating output end of the stirring motor and is located below the stirring motor. The stirring member is connected to the stirring shaft and is located outside the stirring shaft. One side of the sealing bearing is fixedly connected to the stirring shaft, and the other side of the sealing bearing is fixedly connected to the partition plate. The sealing bearing rotatably connects the stirring shaft and the partition plate. The electric valve is installed at the lower end of the feeding hopper.

2. The feeding and mixing device for preparing water reducing agent according to claim 1, characterized in that, The stirring member includes stirring rods and diverging rods. The stirring rods are fixedly connected to the stirring shaft and are located outside the stirring shaft; the diverging rods are fixedly connected to the stirring rods and are located at the bottom of the stirring rods.

3. The feeding and mixing device for preparing water reducing agent according to claim 1, characterized in that, The frustum column has a mounting groove and a through hole. The mounting groove is arranged at the lower end of the frustum column and is matched with the stirring motor; the through hole is arranged at the bottom of the frustum column and is matched with the stirring shaft; the partition plate has a mounting hole, and the mounting hole is arranged at the middle position of the partition plate and is matched with the sealing bearing.

4. The feeding and mixing device for preparing water reducing agent according to claim 1, characterized in that, The support platform has a mounting groove, and the mounting groove is arranged on the side of the support platform close to the electric valve and is matched with the electric valve.

5. The feeding and mixing device for preparing water reducing agent according to claim 1, characterized in that, The feeding and mixing assembly further includes a support ring and a support rod. The support ring is rotatably connected to the support platform and is located on the upper side of the support platform; one end of the support rod is fixedly connected to the support ring, and the other end of the support rod is fixedly connected to the feeding hopper; the support platform also has an annular groove, and the annular groove is arranged on the upper side of the support platform and is matched with the support ring.

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