Safety protection device for producing cold core box resin
By designing a safety protection device including movable and fixed material addition parts in the production of cold core box resin, the problem of ammonia leakage in the reactor is solved, and the maintenance of sealed state and operation safety is achieved.
Patent Information
- Application Number
- CN202420862430.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-04-24
AI Technical Summary
During the cold-core box resin production process, the ammonia gas in the reactor is easily leaked during the feeding process, affecting the health of the operator and the workshop environment.
A safety protection device is designed, including a reactor and a feeding assembly. The feeding assembly consists of movable feeding parts and fixed feeding parts. Through the cooperation of the electric telescopic rod and the limiting parts, the inside of the reactor is always kept sealed.
It effectively prevents the leakage of ammonia in the reactor, ensures the health of the operator and the safety of the workshop environment. At the same time, the device is less difficult and easy to operate.
Smart Images
Figure CN222518523U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cold box resin production, in particular to a safety protection device for producing cold box resin. Background Art
[0002] The cold box core making process is a mold core making process developed in the last century, among which the triethylamine cold box process is the most widely used one in casting production. This process will produce a small amount of ammonia during the production process. For this reason, the resin used to make the cold box is usually produced using a closed reactor. This type of reactor is mainly equipped with a stirring device, a heating device and a vacuum device, wherein the vacuum device is mainly used to extract the gas in the reactor. However, this production process requires the addition of adjusting agents, catalysts and other materials during the production process. The feeding port of the existing reactor is sealed with a sealing cover plate. When adding materials, it is directly opened and then materials are added to the reactor, resulting in ammonia leakage during the feeding process, which not only affects the health of the operator, but also affects the workshop environment. Utility Model Content
[0003] Some simplifications or omissions may be made in this section and the abstract of the specification and the title of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.
[0004] In view of the above problems or problems existing in the prior art, the present utility model is proposed.
[0005] Therefore, the purpose of the utility model is to provide a safety protection device for producing cold box resin, which solves the problem of easy leakage of ammonia in the reactor during the feeding process.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a safety protection device for producing cold box resin, which includes a reaction kettle, characterized in that it includes a material adding component, and the material adding component is placed on the bottom surface of the reaction kettle;
[0007] The material adding assembly comprises a movable material adding part, the movable material adding part is placed inside the fixed material adding part, a limiting part is provided below the movable material adding part, a sealing shell is provided at the upper end of the fixed material adding part, and an electric telescopic rod is provided inside the sealing shell;
[0008] The fixed material adding member is placed inside the reaction kettle, and the limiting member is fixed to the bottom surface of the reaction kettle.
[0009] As a preferred solution of the safety protection device for producing cold core box resin described in the utility model, the movable adding part includes a movable material trough, a rotating head is provided on the bottom edge of the movable material trough, a protrusion is provided on the side surface of the lower end of the movable material trough, and a first discharge port is provided at the upper end of the movable material trough; an extrusion plate is provided inside the movable material trough, and the bottom surface of the extrusion plate is connected to the rotating screw.
[0010] As a preferred solution of the safety protection device for producing cold core box resin described in the utility model, the fixed adding part includes a fixed material trough, a second discharge port is provided on the upper side of the fixed material trough, a reflux groove is provided above the second discharge port, a rotating track groove is provided on the bottom surface of the fixed material trough, and a limit head is provided at one end of the rotating track groove.
[0011] As a preferred solution of the safety protection device for producing cold box resin of the utility model, wherein: the limiting member includes a limiting plate, and the upper end surface of the limiting plate is fixed to the bottom surface of the reactor through a bracket.
[0012] As a preferred solution of the safety protection device for producing cold box resin of the utility model, wherein: the electric telescopic rod penetrates the upper end surface of the fixed material trough and is connected to the upper end surface of the movable material trough;
[0013] The sealing shell and the upper end surface of the fixed material trough form a closed space.
[0014] As a preferred solution of the safety protection device for producing cold core box resin described in the utility model, wherein: a stand is provided on the bottom surface of the reactor, an exhaust pipe is provided on the upper end of the reactor, the upper end of the reactor is connected to a rotating shaft through a motor, the rotating shaft is placed inside the reactor, and a stirring rod is connected to the outside of the rotating shaft.
[0015] Beneficial effects of the utility model: the utility model uses the movable material adding part and the fixed material adding part to keep the interior of the reactor sealed when adding materials into the reactor, thereby preventing leakage of ammonia in the reactor. At the same time, the device is less difficult and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:
[0017] Figure 1 It is an overall schematic diagram of the safety protection device for producing cold box resin;
[0018] Figure 2 A schematic diagram of the internal structure of a safety protection device for producing cold box resin;
[0019] Figure 3 One of the detailed schematic diagrams of the safety protection device used in the production of cold box resin;
[0020] Figure 4 This is the second detailed schematic diagram of the safety protection device used in the production of cold box resin. DETAILED DESCRIPTION
[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.
[0024] Example 1
[0025] Reference Figures 1 to 4 , which is the first embodiment of the utility model, and provides a safety protection device for producing cold box resin, which includes a reactor 100, characterized in that: it includes a material adding component 200, and the material adding component 200 is placed on the bottom surface of the reactor 100;
[0026] The material adding assembly 200 includes a movable material adding member 201, which is placed inside a fixed material adding member 202. A stopper 203 is provided below the movable material adding member 201. A sealing shell 205 is provided at the upper end of the fixed material adding member 202. An electric telescopic rod 204 is provided inside the sealing shell 205.
[0027] The fixed material adding member 202 is placed inside the reaction kettle 100 , and the limiting member 203 is fixed to the bottom surface of the reaction kettle 100 .
[0028] Furthermore, the movable adding part 201 includes a movable material trough 201a, a rotating head 201e is provided on the bottom edge of the movable material trough 201a, a protrusion 201f is provided on the side of the lower end of the movable material trough 201a, and a first discharge port 201b is provided on the upper end of the movable material trough 201a; an extrusion plate 201d is provided inside the movable material trough 201a, and the bottom surface of the extrusion plate 201d is connected to the rotating screw 201c.
[0029] Furthermore, the fixed adding member 202 includes a fixed material trough 202a, a second discharge port 202b is provided on the upper side of the fixed material trough 202a, a reflux groove 202c is provided above the second discharge port 202b, a rotating track groove 202d is provided on the bottom surface of the fixed material trough 202a, and a limit head 202e is provided at one end of the rotating track groove 202d.
[0030] Preferably, the rotating track groove 202d is placed on the bottom surface of the reactor 100; when the movable material groove 201a is placed inside the fixed material groove 202a, the protrusion 201f is placed at one end of the rotating track groove 202d; the protrusion 201f can rotate a certain degree along the rotating track groove 202d, and the protrusion 201f moves from one end of the rotating track groove 202d to the other end of the rotating track groove 202d. During the movement of the protrusion 201f, the protrusion 201f will squeeze the limit head 202e, and the limit head 202e will expand and contract due to the squeezing, and finally the limit head 202e is stuck on one side of the protrusion 201f, constraining the rotational freedom of the protrusion 201f to a certain extent.
[0031] Furthermore, the limiting member 203 includes a limiting plate 203 a , and an upper end surface of the limiting plate 203 a is fixed to the bottom surface of the reaction kettle 100 through a bracket 203 b .
[0032] Preferably, a hole is provided in the middle of the limiting plate 203a so as not to interfere with the rotation of the rotating screw 201c. At the same time, the distance between the limiting plate 203a and the bottom surface of the reactor 100 is also limited to a certain extent. When the movable material trough 201a extends outward to the maximum extent, the rotating head 201e just contacts the upper end surface of the limiting plate 203a. The upper end surface of the movable material trough 201a does not separate from the bottom surface of the fixed material trough 202a. At the same time, the upper end surface of the movable material trough 201a is higher than the rotating track groove 202d. This is to ensure that the material in the reactor does not leak.
[0033] Furthermore, the electric telescopic rod 204 penetrates the upper end surface of the fixed trough 202a and is connected to the upper end surface of the movable trough 201a;
[0034] The sealing shell 205 and the upper end surface of the fixed material tank 202a form a closed space.
[0035] It should be noted that since the feeding component 200 is placed on the bottom surface of the reactor 100, during the feeding process, it is necessary to prevent the material in the reactor from leaking from the feeding component 200. When the movable material trough 201a moves up and down inside the fixed material trough 202a, the gap between the movable material trough 201a and the fixed material trough 202a is not enough to cause material leakage, and at the same time, the movement between the movable material trough 201a and the fixed material trough 202a does not interfere.
[0036] Furthermore, when the movable trough 201a is pushed out of the fixed trough 202a due to the action of the electric telescopic rod 204, the material in the reactor 100 will flow into the fixed trough 202a from the second discharge port 202b. At this time, the bottom surface of the fixed trough 202a is closed by the upper end surface of the movable trough 201a; when the movable trough 201a is pulled back into the fixed trough 202a, the upper end surface of the movable trough 201a will squeeze the fixed trough 202a, so that the material in the fixed trough 202a is squeezed from the fixed trough 202a along the second discharge port 202b into the reactor 100.
[0037] Similarly, the material in the movable trough 201a also enters the reactor 100 from the first discharge port 201b through the extrusion of the extrusion plate 201d, and is finally mixed into the material. It should be noted that the movable trough 201a must be rotated a certain degree so that the first discharge port 201b is aligned with the second discharge port 202b before the material to be added can be smoothly extruded from the movable trough 201a into the reactor 100 through the extrusion plate 201d.
[0038] Preferably, the first discharge port 201b and the second discharge port 202b are of the same size and number, and are both provided in three. Therefore, the movable trough 201a needs to be rotated 60° to align the first discharge port 201b and the second discharge port 202b. The specific rotation angle is affected by the number of the first discharge port 201b and the second discharge port 202b.
[0039] Furthermore, a stand 101 is provided on the bottom of the reactor 100 , an exhaust pipe 102 is provided on the upper end of the reactor 100 , a rotating shaft 104 is connected to the upper end of the reactor 100 through a motor 103 , the rotating shaft 104 is placed inside the reactor 100 , and a stirring rod 105 is connected to the outer side of the rotating shaft 104 .
[0040] Preferably, the upper end of the first discharge port 201b is in contact with the inner upper surface of the movable trough 201a, and there is a certain height difference between the second discharge port 202b and the fixed trough 202a, and the value of this height difference is the thickness of the upper top panel of the movable trough 201a and the thickness of the reflux trough 202c; during the rising process of the movable trough 201a, part of the material in the fixed trough 202a will be retained in the gap of the above-mentioned height difference, and when the movable trough 201a continues to rise, the retained material will flow into the second discharge port 202b along the reflux trough 202c, and finally enter the reactor 100.
[0041] In order to ensure that all the materials to be added in the movable trough 201a enter the reactor 100, the thickness of the extrusion plate 201d must be greater than or equal to the height of the first discharge port 201b and the second discharge port 202b, while also preventing the materials from penetrating into the gap between the extrusion plate 201d and the movable trough 201a.
[0042] During use, when it is necessary to add adjusting agents, catalysts and other materials into the reactor, at this time, the extrusion plate 201d has been placed at the uppermost end of the movable material trough 201a, and the first discharge port 201b and the second discharge port 202b are aligned; it is necessary to first rotate the movable material trough 201a clockwise by 60° through the rotating head 201e, and then lower the movable material trough 201a through the electric telescopic rod 204, and then move the extrusion plate 201d to the bottom surface of the movable material trough 201a through the rotating screw 201c, and then put the added material into the movable material trough 201a, then rotate the movable material trough 201a counterclockwise by 60°, and then pull the movable material trough 201a up through the electric telescopic rod 204, and finally, by manually rotating the rotating screw 201c, the material in the movable material trough 201a is squeezed into the reactor 100 through the extrusion plate 201d.
[0043] In summary, through the action of the movable adding part 201 and the fixed adding part 202, when adding materials into the reactor, the interior of the reactor is always kept sealed, thereby preventing leakage of ammonia in the reactor. At the same time, the device is relatively easy to operate and has low difficulty.
[0044] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values (e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.
[0045] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.
[0046] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.
[0047] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A safety protection device for producing cold box resin, comprising a reaction kettle (100), characterized in that: include, A material adding component (200), the material adding component (200) being placed on the bottom surface of the reaction kettle (100); The material adding component (200) comprises a movable material adding part (201), the movable material adding part (201) is placed inside a fixed material adding part (202), a limiting part (203) is provided below the movable material adding part (201), a sealing shell (205) is provided at the upper end of the fixed material adding part (202), and an electric telescopic rod (204) is provided inside the sealing shell (205); The fixed material adding member (202) is placed inside the reaction kettle (100), and the limiting member (203) is fixed to the bottom surface of the reaction kettle (100).
2. The safety protection device for producing cold box resin according to claim 1, characterized in that: The movable material adding component (201) comprises a movable material trough (201a), a rotating head (201e) is provided on the bottom edge of the movable material trough (201a), a protrusion (201f) is provided on the side surface of the lower end of the movable material trough (201a), and a first material outlet (201b) is provided on the upper end of the movable material trough (201a); an extrusion plate (201d) is provided inside the movable material trough (201a), and the bottom surface of the extrusion plate (201d) is connected to a rotating screw rod (201c).
3. The safety protection device for producing cold box resin according to claim 2, characterized in that: The fixed material adding member (202) comprises a fixed material trough (202a), a second material outlet (202b) is provided on the upper side of the fixed material trough (202a), a reflux groove (202c) is provided above the second material outlet (202b), a rotating track groove (202d) is provided on the bottom surface of the fixed material trough (202a), and a limit head (202e) is provided at one end of the rotating track groove (202d).
4. The safety protection device for producing cold box resin according to claim 3, characterized in that: The limiting member (203) comprises a limiting plate (203a), and the upper end surface of the limiting plate (203a) is fixed to the bottom surface of the reaction kettle (100) via a bracket (203b).
5. The safety protection device for producing cold box resin according to claim 4, characterized in that: The electric telescopic rod (204) penetrates the upper end surface of the fixed material trough (202a) and is connected to the upper end surface of the movable material trough (201a); The sealing shell (205) and the upper end surface of the fixed material trough (202a) form a closed space.
6. The safety protection device for producing cold box resin according to claim 5, characterized in that: A stand (101) is provided on the bottom surface of the reaction kettle (100), an exhaust pipe (102) is provided on the upper end of the reaction kettle (100), the upper end of the reaction kettle (100) is connected to a rotating shaft (104) via a motor (103), the rotating shaft (104) is placed inside the reaction kettle (100), and a stirring rod (105) is connected to the outer side of the rotating shaft (104).