Macromonomer feeding equipment for producing polycarboxylate superplasticizer

Abstract

The utility model discloses macromonomer feeding equipment for producing a polycarboxylate superplasticizer, which belongs to the technical field of macromonomer feeding equipment and comprises a stirring tank and a suction pipe arranged above the stirring tank, a feeding pipe is fixed at the top end of the stirring tank, and the suction pipe is fixed at the bottom end of the stirring tank. A negative pressure tank is arranged on the material suction pipe in a sleeving mode, a quantitative feeding box is fixed to the bottom end of the material suction pipe, a connecting pipe arranged on the feeding pipe in a sleeving mode is fixed to the bottom end of the quantitative feeding box, a quantitative pipe is fixedly embedded in the quantitative feeding box, and a moving frame of a U-shaped structure is arranged in the quantitative feeding box in a sliding mode; the two ends of the moving frame are tightly connected with the quantitative pipe, and the two ends of the moving frame are provided with staggered feeding holes, the macromonomer feeding equipment for producing the polycarboxylate superplasticizer avoids the situation that particles fall off during feeding, and the feeding accuracy of the macromonomer of the polycarboxylate superplasticizer is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of large monomer feeding equipment, and in particular relates to large monomer feeding equipment for producing polycarboxylic acid water reducer. Background Art

[0002] Polycarboxylate water reducer is a high-performance water reducer. In the process of water reducer development, the application ratio of polycarboxylate water reducer is increasing, and it is widely used in roads, railways, hydropower stations, dams, bridges and prefabricated buildings. With the development of the construction industry, construction technology is constantly improving, and water reducer technology is also constantly improving. In the process of water reducer development, the application ratio of polycarboxylate water reducer is increasing, and it is widely used in roads, railways, hydropower stations, dams, bridges and prefabricated buildings. However, the existing operation placement is manual feeding, and the workload is huge.

[0003] Patent application number 201921174191.8 discloses a polycarboxylate water-reducing agent macromonomer rapid dissolution equipment, including a material box, a conveyor belt fixedly installed on the right side of the material box, a transmission motor fixedly connected to the transmission end of the conveyor belt, a first manipulator fixedly installed on the left front of the conveyor belt, a second manipulator fixedly installed on the right front of the conveyor belt, a bag breaking device fixedly installed on the second manipulator on one side of the clamping device, and a stirring kettle fixedly installed on the right side of the conveyor belt. The polycarboxylate water-reducing agent macromonomer rapid dissolution equipment changes the previous manual feeding and improves it to automatic grabbing by a manipulator, which reduces labor and greatly improves work efficiency.

[0004] The above technical solution grabs the material by a robot, but since the macromonomer of the polycarboxylate water-reducing agent is in a granular state, it is very easy to fall during the grabbing process, and it is difficult to control the addition amount of the macromonomer of the polycarboxylate water-reducing agent, resulting in poor accuracy in the delivery of the macromonomer of the polycarboxylate water-reducing agent. Utility Model Content

[0005] (1) Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a large monomer feeding device for producing polycarboxylic acid water-reducing agent. The accessory injection mold with a positioning auxiliary device is intended to solve the technical problems in the prior art that the large monomer of the polycarboxylic acid water-reducing agent is in a granular state and is very likely to fall during the grabbing process, and it is difficult to control the addition amount of the large monomer of the polycarboxylic acid water-reducing agent, resulting in poor feeding accuracy of the large monomer of the polycarboxylic acid water-reducing agent.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides a large monomer feeding equipment for producing polycarboxylic acid water reducer, the accessory injection mold with a positioning auxiliary device includes a stirring tank and a suction pipe arranged above the stirring tank, the top of the stirring tank is fixed with a feeding pipe, the suction pipe is sleeved with a negative pressure tank, and the bottom of the suction pipe is fixed with a quantitative delivery box, the bottom of the quantitative delivery box is fixed with a connecting pipe sleeved on the feeding pipe, and a quantitative tube is embedded and fixed in the quantitative delivery box, wherein a U-shaped moving frame is slidably arranged in the quantitative delivery box, both ends of the moving frame are tightly connected to the quantitative tube, and both ends of the moving frame are provided with mutually staggered delivery holes.

[0009] When the accessory injection mold with a positioning auxiliary device of the technical solution is used, a negative pressure tank is installed on the suction pipe, and the negative pressure air pump on the negative pressure tank applies negative pressure to the suction pipe, so that the large monomer of the polycarboxylate water-reducing agent enters the suction pipe along the suction nozzle. Since the discharge pipe at the bottom of the stirring tank is closed and its interior is in a relatively sealed state, the negative pressure of the suction pipe will not be affected. The air is discharged from the negative pressure tank and the negative pressure air pump along the filter screen. The large monomer of the polycarboxylate water-reducing agent falls into the quantitative tube under the influence of gravity. The moving frame keeps the bottom end of the quantitative tube sealed. After the placement, the hydraulic rod is started to drive the moving frame to slide, and the quantitative tube is The top of the tube is sealed, and the large monomer of the polycarboxylic acid water-reducing agent in the quantitative tube falls from the delivery hole into the mixing tank. The delivery amount is controlled by the quantitative tube, so that particles are avoided from falling during delivery, and the delivery accuracy of the large monomer of the polycarboxylic acid water-reducing agent is improved. A feed tube is fixed on the top of the mixing tank, and the connecting tube at the bottom of the quantitative delivery box is sleeved on the feed tube. The elastic plates in the telescopic grooves at both ends of the connection part push the positioning blocks to be inserted into the positioning grooves, so that the connecting tube is fixed at the top of the feed tube. After the positioning blocks are squeezed out of the positioning grooves from the outer wall of the connecting tube, the quantitative delivery box is disassembled, which improves the convenience of installation and disassembly of the quantitative delivery box.

[0010] Preferably, a stirring motor and a water inlet pipe are respectively installed on both sides of the top surface of the stirring tank, and a discharge pipe is arranged at the bottom end of the stirring tank.

[0011] Furthermore, a suction nozzle is fixed on the suction pipe, and filter screens connected to the negative pressure tank are embedded and fixed on both sides of the outer wall of the suction pipe, and a negative pressure air pump is installed on the outer wall of the negative pressure tank.

[0012] Furthermore, a hydraulic rod is installed on the outer wall of the quantitative delivery box, and one end of the hydraulic rod extends into the quantitative delivery box and is fixedly connected to the movable frame.

[0013] Furthermore, connecting parts are arranged on both sides of the top end surface of the feed pipe, and a connecting groove is opened at the bottom end of the connecting pipe, and the connecting part is inserted into the connecting groove.

[0014] Furthermore, a telescopic groove is formed on the side wall of the connecting portion, an elastic plate is fixed to the inner wall of the telescopic groove, and a positioning block which is fitted and plugged into the telescopic groove is installed on the elastic plate.

[0015] Furthermore, a positioning groove is provided on the inner wall of the connecting groove, and one end of the positioning block extending out of the telescopic groove is inserted into the positioning groove.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model installs a negative pressure tank on the suction pipe, and the negative pressure air pump on the negative pressure tank applies negative pressure to the suction pipe, so that the large monomer of the polycarboxylate water-reducing agent enters the suction pipe along the suction nozzle. Since the discharge pipe at the bottom end of the stirring tank is closed and its interior is in a relatively sealed state, the negative pressure of the suction pipe will not be affected, and the air is discharged from the negative pressure tank and the negative pressure air pump along the filter screen. The large monomer of the polycarboxylate water-reducing agent falls into the quantitative tube under the influence of gravity, and the moving frame keeps the bottom end of the quantitative tube sealed. After the delivery, the hydraulic rod is started to drive the moving frame to slide, and the top end of the quantitative tube is sealed during the sliding process. The large monomer of the polycarboxylate water-reducing agent in the quantitative tube falls from the delivery hole into the stirring tank, and the delivery amount is controlled by the quantitative tube, so that the situation of particles falling during delivery is avoided, and the delivery accuracy of the large monomer of the polycarboxylate water-reducing agent is improved.

[0019] A feed pipe is fixed on the top of the mixing tank, and the connecting pipe at the bottom of the quantitative delivery box is sleeved on the feed pipe. The elastic plates in the telescopic grooves at both ends of the connecting part push the positioning blocks to fit in the positioning grooves, so that the connecting pipe is fixed on the top of the feed pipe. After the positioning blocks are squeezed out of the positioning grooves from the outer wall of the connecting pipe, the quantitative delivery box can be disassembled, thereby improving the convenience of installation and disassembly of the quantitative delivery box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the suction pipe of the utility model;

[0023] Figure 3This is a schematic diagram of the feed pipe structure of the utility model;

[0024] Figure 4 For the utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0025] Figure 5 For the utility model Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0026] The markings in the attached drawings are: 1. stirring tank; 2. water inlet pipe; 3. stirring motor; 4. feeding pipe; 5. suction nozzle; 6. suction pipe; 7. hydraulic rod; 8. negative pressure tank; 9. quantitative delivery box; 10. quantitative pipe; 11. connecting pipe; 12. delivery hole; 13. mobile frame; 14. negative pressure air pump; 15. filter screen; 16. connecting part; 17. connecting groove; 18. positioning groove; 19. telescopic groove; 20. positioning block; 21. elastic plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] This specific embodiment is a large monomer feeding device for producing polycarboxylic acid water reducer, and its structural schematic diagram is as follows Figure 1 , Figure 2 and Figure 3 As shown, the accessory injection mold with a positioning auxiliary device includes a stirring tank 1 and a suction pipe 6 arranged above the stirring tank 1, a feeding pipe 4 is fixed to the top of the stirring tank 1, a negative pressure tank 8 is sleeved on the suction pipe 6, and a quantitative delivery box 9 is fixed to the bottom end of the suction pipe 6, a connecting pipe 11 sleeved on the feeding pipe 4 is fixed to the bottom end of the quantitative delivery box 9, and a quantitative tube 10 is embedded and fixed in the quantitative delivery box 9, wherein a U-shaped moving frame 13 is slidably arranged in the quantitative delivery box 9, both ends of the moving frame 13 are tightly connected to the quantitative tube 10, and both ends of the moving frame 13 are opened with mutually staggered delivery holes 12.

[0029] A stirring motor 3 and a water inlet pipe 2 are respectively installed on both sides of the top surface of the stirring tank 1, and a discharge pipe is arranged at the bottom end of the stirring tank 1. A suction nozzle 5 is fixed on the suction pipe 6, and a filter screen 15 connected to the negative pressure tank 8 is embedded and fixed on both sides of the outer wall of the suction pipe 6. A negative pressure air pump 14 is installed on the outer wall of the negative pressure tank 8. A hydraulic rod 7 is installed on the outer wall of the quantitative delivery box 9. One end of the hydraulic rod 7 extending into the quantitative delivery box 9 is fixedly connected to the mobile frame 13. The negative pressure air pump 14 on the negative pressure tank 8 applies negative pressure to the suction pipe 6, so that the macromonomer of the polycarboxylic acid water reducer is discharged from the suction pipe 6 along the suction nozzle 5. Since the discharge pipe at the bottom of the mixing tank 1 is closed and the interior is in a relatively sealed state, the negative pressure of the suction pipe 6 will not be affected. The air is discharged from the negative pressure tank 8 and the negative pressure air pump 14 along the filter 15. The large monomer of the polycarboxylic acid water-reducing agent falls into the quantitative tube 10 under the influence of gravity. The movable frame 13 keeps the bottom end of the quantitative tube 10 sealed. After the delivery, the hydraulic rod 7 is started to drive the movable frame 13 to slide, and the top end of the quantitative tube 10 is sealed during the sliding process. The large monomer of the polycarboxylic acid water-reducing agent in the quantitative tube 10 falls into the mixing tank 1 from the delivery hole 12.

[0030] like Figure 4 and Figure 5 As shown, connecting parts 16 are provided on both sides of the top surface of the feeding pipe 4, and a connecting groove 17 is provided at the bottom end of the connecting pipe 11. The connecting part 16 is fitted and inserted in the connecting groove 17. A telescopic groove 19 is provided on the side wall of the connecting part 16. An elastic plate 21 is fixed to the inner wall of the telescopic groove 19. A positioning block 20 that is fitted and inserted in the telescopic groove 19 is installed on the elastic plate 21. A positioning groove 18 is provided on the inner wall of the connecting groove 17. One end of the positioning block 20 extending out of the telescopic groove 19 is fitted and inserted in the positioning groove 18. The connecting pipe 11 at the bottom end of the quantitative delivery box 9 is sleeved on the feeding pipe 4, and the elastic plates 21 in the telescopic grooves 19 at both ends of the connecting part 16 push the positioning block 20 to be fitted and inserted in the positioning groove 18, so that the connecting pipe 11 is fixed at the top of the feeding pipe 4, and the quantitative delivery box 9 is disassembled after the positioning block 20 is squeezed from the outer wall of the connecting pipe 11 and removed from the positioning groove 18.

[0031] The cross-sectional structure diagram of the suction pipe 6 of the accessory injection mold with the positioning auxiliary device is as follows Figure 2 As shown, the schematic diagram of the structure of the feed pipe 4 is as follows Figure 3 As shown, its Figure 2 The enlarged schematic diagram of the structure at A is as follows Figure 4 As shown, its Figure 2 The enlarged schematic diagram of the structure at A is as follows Figure 5 shown.

[0032] Working principle: When in use, the negative pressure air pump 14 on the negative pressure tank 8 is started to apply negative pressure to the suction pipe 6, so that the large monomer of the polycarboxylate water-reducing agent enters the suction pipe 6 along the suction nozzle 5. Since the discharge pipe at the bottom end of the mixing tank 1 is closed and its interior is in a relatively sealed state, it will not affect the negative pressure of the suction pipe 6. The air is discharged from the negative pressure tank 8 and the negative pressure air pump 14 along the filter 15. The large monomer of the polycarboxylate water-reducing agent falls into the quantitative tube 10 under the influence of gravity. The moving frame 13 keeps the bottom end of the quantitative tube 10 sealed. After the delivery, the hydraulic rod 7 is started to drive the moving frame 13 to slide, and the quantitative tube 10 is moved in the process of sliding. The top of 10 is sealed, and the macromonomer of the polycarboxylic acid water-reducing agent in the quantitative tube 10 falls from the delivery hole 12 into the mixing tank 1, and the delivery amount is controlled by the quantitative tube 10. When the quantitative delivery box 9 is installed, the connecting tube 11 at the bottom of the quantitative delivery box 9 is sleeved on the feeding pipe 4, and the elastic plates 21 in the telescopic grooves 19 at both ends of the connecting part 16 push the positioning block 20 to fit in the positioning groove 18, so that the connecting tube 11 is fixed at the top of the feeding pipe 4, and the positioning block 20 is squeezed from the outer wall of the connecting tube 11 and removed from the positioning groove 18 to disassemble the quantitative delivery box 9, thereby improving the convenience of installation and disassembly of the quantitative delivery box 9.

[0033] All technical features in this embodiment can be freely combined according to actual needs.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A macromonomer feeding device for producing polycarboxylic acid water-reducing agent, the accessory injection mold with a positioning auxiliary device comprises a stirring tank (1) and a suction pipe (6) arranged above the stirring tank (1), characterized in that: A feed pipe (4) is fixed to the top of the mixing tank (1), a negative pressure tank (8) is sleeved on the suction pipe (6), and a quantitative delivery box (9) is fixed to the bottom of the suction pipe (6), a connecting pipe (11) sleeved on the feed pipe (4) is fixed to the bottom of the quantitative delivery box (9), and a quantitative delivery tube (10) is embedded and fixed in the quantitative delivery box (9), wherein a U-shaped movable frame (13) is slidably arranged in the quantitative delivery box (9), both ends of the movable frame (13) are tightly connected to the quantitative delivery tube (10), and mutually staggered delivery holes (12) are opened at both ends of the movable frame (13).

2. The macromonomer feeding equipment for producing polycarboxylate water reducer according to claim 1, characterized in that: A stirring motor (3) and a water inlet pipe (2) are respectively installed on both sides of the top surface of the stirring tank (1), and a discharge pipe is arranged at the bottom end of the stirring tank (1).

3. The macromonomer feeding equipment for producing polycarboxylate water reducer according to claim 1, characterized in that: A suction nozzle (5) is fixed on the suction pipe (6), and filter screens (15) connected to the negative pressure tank (8) are embedded and fixed on both sides of the outer wall of the suction pipe (6), and a negative pressure air pump (14) is installed on the outer wall of the negative pressure tank (8).

4. The macromonomer feeding equipment for producing polycarboxylate water-reducing agent according to claim 3, characterized in that: A hydraulic rod (7) is installed on the outer wall of the quantitative delivery box (9), and one end of the hydraulic rod (7) extending into the quantitative delivery box (9) is fixedly connected to the movable frame (13).

5. The macromonomer feeding equipment for producing polycarboxylate water reducer according to claim 1, characterized in that: Connecting parts (16) are provided on both sides of the top end surface of the feed pipe (4), and a connecting groove (17) is provided at the bottom end of the connecting pipe (11), and the connecting part (16) is inserted into the connecting groove (17).

6. The macromonomer feeding equipment for producing polycarboxylate water-reducing agent according to claim 5, characterized in that: A telescopic groove (19) is formed on the side wall of the connecting portion (16), an elastic plate (21) is fixed to the inner wall of the telescopic groove (19), and a positioning block (20) is mounted on the elastic plate (21) and is inserted into the telescopic groove (19).

7. The macromonomer feeding equipment for producing polycarboxylate water-reducing agent according to claim 6, characterized in that: The inner wall of the connecting groove (17) is provided with a positioning groove (18), and one end of the positioning block (20) extending out of the telescopic groove (19) is inserted into the positioning groove (18).

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