An automatic temperature-controlled water-based quenching liquid mixing device

Abstract

The utility model belongs to the field of water-based quenching liquid mixing devices, and specifically relates to an automatic temperature-controlled water-based quenching liquid mixing device, including a mixing box, a box cover is connected to the outer side of the upper end of the mixing box through a thread, a stirring shaft is installed inside the box cover through a bearing, a motor is fixedly installed on the upper end of the box cover, a discharge filter mechanism is arranged inside the mixing box, a heating box is fixedly connected to the outer side of the mixing box, and an electric heating pipe is fixedly installed inside the heating box. The utility model adds a heating cover, a water inlet pipe, a water return pipe and other structures on the outer side of the mixing box. When the mixing box needs to be heated, water flow can be added to the interior of the heating cover through the water inlet pipe during the heating process, the water flow is first heated by the electric heating pipe, and then the mixing box is heated by the water flow, so that the local stability of the mixing box is prevented from being too high, which leads to gelatinization of the raw materials inside the quenching liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of water-based quenching liquid mixing devices, in particular to an automatic temperature-controlled water-based quenching liquid mixing device. Background Art

[0002] According to the patent authorization announcement number: CN111440926B, a water-based quenching liquid and its preparation method and use method are proposed. The proposed invention discloses a water-based quenching liquid, including the following components by weight percentage: 30-35% sodium polyacrylate; 10-12% hydroxyethyl cellulose; 3-4% calcium chloride; 0.2-0.5% triethanolamine; 1-2% sorbitan monooleate; 2-3% sodium benzoate; water balance; wherein the molecular weight of sodium polyacrylate is 5000-8000. The water-based quenching liquid provided by the invention can effectively remove organic residues on the surface of the workpiece and reduce the waste of quenching liquid; and can improve the hardenability and hardenability, improve the mechanical properties of the workpiece, and effectively prevent the workpiece from quenching cracks. The invention also provides a preparation method and use method of a water-based quenching liquid. In the process of preparing the water-based quenching liquid, the raw materials need to be stirred at a constant temperature through a mixing device.

[0003] However, the mixing device in the prior art heats the mixing box through the electric heating pipe during use, but it is not easy to control the heating temperature during the heating process, which easily leads to excessive local temperature, resulting in gelatinization of the raw materials, and after the raw materials are mixed, a certain amount of impurities will remain inside the raw material liquid, affecting the stability of the quenching liquid. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide an automatic temperature-controlled water-based quenching liquid mixing device, which solves the problem that the temperature is not easy to control and easily leads to excessive temperature and undissolved impurities are easily left in the quenching liquid.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic temperature-controlled water-based quenching liquid mixing device, comprising a mixing box, a box cover is threadedly connected to the outer side of the upper end of the mixing box, a stirring shaft is installed inside the box cover through a bearing, a motor is fixedly installed on the upper end of the box cover, a discharge filtering mechanism is arranged inside the mixing box, a heating box is fixedly connected to the outer side of the mixing box, an electric heating pipe is fixedly installed inside the heating box, a return pipe is fixedly connected to the upper left end of the heating box, and a water inlet pipe is fixedly connected to the lower right end of the heating box.

[0006] Preferably, the output shaft of the motor is fixedly connected to the stirring shaft, and two symmetrically distributed paddles are fixedly connected to the outer side of the stirring shaft, and the paddles can stir the interior of the mixing box by rotating.

[0007] Preferably, the electric heating pipe is in contact with the mixing box, and the lower end of the mixing box is connected to an end cover via threads, so that the electric heating pipe can heat the mixing box.

[0008] Preferably, the discharge filtering mechanism includes a filter cover, the filter cover is slidably connected to the inside of the mixing box, the lower end of the stirring shaft is fixedly connected to a support plate, the inside of the support plate is slidably connected to a connecting frame, the outside of the rod of the connecting frame is fixedly connected to a baffle, the lower end of the connecting frame is fixedly connected to a scraper, and a spring is arranged on the outside of the connecting frame, and the filter cover can filter undissolved solids and impurities in the quenching liquid.

[0009] Preferably, the scraper is composed of a plastic plate and a rubber strip, the rubber strip of the scraper is in contact with the filter cover, and the scraper can clean the impurities accumulated on the surface of the filter cover.

[0010] Preferably, one end of the spring is fixedly connected to the support plate, and the other end of the spring is fixedly connected to the baffle plate, and the spring can support the baffle plate through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds a heating cover, a water inlet pipe, a water return pipe and other structures on the outside of the mixing box. When the mixing box needs to be heated, water flow can be added to the inside of the heating cover through the water inlet pipe during the heating process, and the water flow is first heated by the electric heating pipe, and then the mixing box is heated by the water flow, so as to avoid the local stability of the mixing box being too high to cause gelatinization of the raw materials inside the quenching liquid.

[0013] 2. The utility model adds structures such as a filter cover, a scraper and a connecting frame inside the mixing box. In the process of mixing the raw materials and water, the impurities and solids inside the quenching liquid can be filtered through the filter cover, thereby effectively preventing the impurities from affecting the quality of the quenching liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A three-dimensional cross-sectional view of

[0016] Figure 3 For the utility model Figure 2 A three-dimensional enlarged view of the stirring shaft;

[0017] Figure 4 For the utility model Figure 2 A-section structure enlarged view.

[0018] In the figure: 1. mixing box; 2. box cover; 3. stirring shaft; 4. paddle; 5. motor; 6. discharge filter mechanism; 7. heating box; 8. electric heating pipe; 9. return pipe; 10. inlet pipe; 11. end cover; 61. filter cover; 62. support plate; 63. connecting frame; 64. baffle; 65. scraper; 66. spring. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1 , Figure 2 An automatic temperature-controlled water-based quenching liquid mixing device comprises a mixing box 1, a box cover 2 is threadedly connected to the outer side of the upper end of the mixing box 1, a stirring shaft 3 is installed inside the box cover 2 through a bearing, a motor 5 is fixedly installed on the upper end of the box cover 2, a discharge filtering mechanism 6 is arranged inside the mixing box 1, a heating box 7 is fixedly connected to the outer side of the mixing box 1, an electric heating pipe 8 is fixedly installed inside the heating box 7, a return pipe 9 is fixedly connected to the upper left end of the heating box 7, and a water inlet pipe 10 is fixedly connected to the lower right end of the heating box 7.

[0021] See also Figure 1 , Figure 2 The output shaft of the motor 5 is fixedly connected to the stirring shaft 3, and two symmetrically distributed paddles 4 are fixedly connected to the outer side of the stirring shaft 3. The paddles 4 can stir the interior of the mixing box 1 by rotating. The electric heating tube 8 is in contact with the mixing box 1. The lower end of the mixing box 1 is connected to the end cover 11 by a thread, and the electric heating tube 8 can heat the mixing box 1.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The discharge filtering mechanism 6 includes a filter cover 61, the filter cover 61 is slidably connected inside the mixing box 1, the lower end of the stirring shaft 3 is fixedly connected to a support plate 62, the inner sliding connection of the support plate 62 is a connecting frame 63, the outer side of the rod of the connecting frame 63 is fixedly connected to a baffle 64, the lower end of the connecting frame 63 is fixedly connected to a scraper 65, and a spring 66 is arranged on the outer side of the connecting frame 63. The filter cover 61 can filter the undissolved solids and impurities in the quenching liquid, the scraper 65 is composed of a plastic plate and a rubber strip, the rubber strip of the scraper 65 is in contact with the filter cover 61, and the scraper 65 can clean the impurities accumulated on the surface of the filter cover 61, one end of the spring 66 is fixedly connected to the support plate 62, and the other end of the spring 66 is fixedly connected to the baffle 64, and the spring 66 can support the baffle 64 through elastic force.

[0023] The specific implementation process of the utility model is as follows: put the raw materials and liquid into the mixing box 1, then cover the mixing box 1 with the box cover 2, and start the motor 5 after the cover is tightened. The motor 5 drives the stirring shaft 3 to rotate. The stirring shaft 3 stirs and mixes the raw materials and liquid in the mixing box 1 through the paddle 4 during the rotation. In the mixing process, water is added to the inside of the heating box 7 through the water inlet pipe 10, and the electric heating tube 8 is started at the same time. In the process of the electric heating tube 8 heating the water in the heating box 7, the water flow can exchange heat with the mixing box 1, so that the mixing box 1 can be automatically temperature-controlled, which can effectively avoid over-temperature.

[0024] After the mixing is completed, the end cover 11 is opened and the liquid inside the mixing box 1 can be discharged through the opening at the lower end. During the discharge process, the liquid can be filtered through the filter cover 61 to prevent impurities and solids from entering the prepared quenching liquid. In the filtering process, the scraper 65 can be driven by the stirring shaft 3 to clean the surface of the filter cover 61 to prevent impurities from accumulating in one place inside the filter cover 61.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic temperature-controlled water-based quenching liquid preparation device, comprising a preparation box (1), characterized in that: The outer side of the upper end of the mixing box (1) is connected to a box cover (2) by means of a thread, a stirring shaft (3) is installed inside the box cover (2) through a bearing, a motor (5) is fixedly installed on the upper end of the box cover (2), a discharge filter mechanism (6) is arranged inside the mixing box (1), a heating box (7) is fixedly connected to the outer side of the mixing box (1), an electric heating pipe (8) is fixedly installed inside the heating box (7), a return water pipe (9) is fixedly connected to the upper left end of the heating box (7), and a water inlet pipe (10) is fixedly connected to the lower right end of the heating box (7).

2. The automatic temperature-controlled water-based quenching liquid preparation device according to claim 1, characterized in that: The output shaft of the motor (5) is fixedly connected to the stirring shaft (3), and the outer side of the stirring shaft (3) is fixedly connected to two symmetrically distributed blades (4).

3. The automatic temperature-controlled water-based quenching liquid preparation device according to claim 1, characterized in that: The electric heating pipe (8) is in contact with the mixing box (1), and the lower end of the mixing box (1) is connected to an end cover (11) via a thread.

4. The automatic temperature-controlled water-based quenching liquid preparation device according to claim 1, characterized in that: The discharge filtering mechanism (6) comprises a filter cover (61), the filter cover (61) is slidably connected inside the mixing box (1), the lower end of the stirring shaft (3) is fixedly connected to a support plate (62), the inner part of the support plate (62) is slidably connected to a connecting frame (63), the outer side of the rod of the connecting frame (63) is fixedly connected to a baffle (64), the lower end of the connecting frame (63) is fixedly connected to a scraper (65), and the outer side of the connecting frame (63) is provided with a spring (66).

5. The automatic temperature-controlled water-based quenching liquid preparation device according to claim 4, characterized in that: The scraper (65) is composed of a plastic plate and a rubber strip, and the rubber strip of the scraper (65) is in contact with the filter cover (61).

6. The automatic temperature-controlled water-based quenching liquid preparation device according to claim 4, characterized in that: One end of the spring (66) is fixedly connected to the support plate (62), and the other end of the spring (66) is fixedly connected to the baffle (64).

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