Electrode paste feeding tank with automatic taking and placing functions

Abstract

The utility model provides an automatic taking and placing electrode paste feeding tank which comprises a material tank body, a supporting ring, a limiting tension band, an L-shaped ejector rod, a lifting rod, a valve element and a core rod. The material tank body is a cylindrical barrel, and two layers of conical upper material guide plates and lower material guide plates which are obliquely guided downwards are arranged in the material tank body; the supporting ring is fixed to the upper portion of the material tank body, the lifting rod is installed in the supporting ring and can freely slide in the supporting ring, the top of the lifting rod is of a conical structure, an annular groove used for being matched with an external lifting tool gripper is formed below the conical structure, and the valve element used for blocking the lower material guide plate from bottom to top is installed at the bottom of the lifting rod. A core rod is mounted in the lifting rod; the lower part of the core rod can slide up and down in the hollow structure of the lower part of the lifting rod; the lifting rod moves downwards to achieve opening unsealing and discharging of the lower material guide plate, and the core rod moves upwards to achieve contact unlocking between the top end of the L-shaped ejector rod on the upper portion of the lifting rod and an external lifting tool gripper unlocking mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of submerged arc furnaces, in particular to an automatic taking and placing electrode paste feeding tank. Background Art

[0002] The electrode paste is usually a 100×50×50mm block of carbon material, which is the raw material for the "self-baking electrode" of the submerged arc furnace. The continuous automatic sintering electrode (referred to as self-baking electrode) is composed of electrode paste and steel shell. The electrode steel shell is rolled from a 2.5-4mm thick steel plate. The electrode steel shell is installed in the electrode holder, and then the electrode paste is filled in the steel shell. This kind of electrode is continuously consumed during operation in the submerged arc furnace. When the electrode is lowered to the lower part of the conductive element, it is calcined at a high temperature of 1000℃ to carbonize the electrode paste to form an electrode. As the submerged arc furnace is produced, the electrode steel shell is continuously and periodically connected, and the electrode paste is periodically injected into the steel shell, thereby completing the generation of the "continuous automatic sintering electrode".

[0003] Self-baking electrodes are widely used in calcium carbide furnaces and ferroalloy furnaces. The current is input into the furnace through the electrode, generating a high-temperature arc to achieve product smelting. The electrode plays an extremely important role in the entire electric furnace. In the process of self-baking electrode production, the accurate measurement and control of the electrode paste height directly affects the baking quality of the electrode, which is crucial to the production of submerged arc furnaces.

[0004] At present, the electrode paste filling method for most domestic ore-fired furnaces is that workers operate electric hoists to lift the electrode paste bag to the top of the electrode, and then manually cut the bag to add the electrode paste into the electrode shell. During the process of adding electrode paste, material scattering and dust dispersion often occur, polluting the environment. This method of adding electrode paste consumes a ton bag each time, which is costly and not environmentally friendly. At the same time, the labor intensity of workers is high, the working environment is poor, the efficiency of adding paste is low, and the labor cost is high. The most important thing is that there are certain safety hazards. Another way is to pre-load the electrode paste into a storage tank on the ground, manually operate the crane to lift the electrode paste tank to the top of the electrode, and then manually operate the handle to open the valve at the bottom of the tank to complete the filling. This method has high labor intensity, low efficiency, and a safety hazard of electric shock. Summary of the invention

[0005] According to the above-mentioned technology, there are problems such as high labor intensity for workers, poor working environment, low paste adding efficiency, and potential safety hazards, and an automatic pick-and-place electrode paste adding tank is provided.

[0006] The technical means adopted by the utility model are as follows:

[0007] An automatic pick-and-place electrode paste feeding tank, comprising a tank body, a support ring, a limit hoop, an L-shaped ejector rod, a lifting rod, a valve core and a core rod;

[0008] The tank body is a cylindrical barrel, which is provided with two layers of conical downwardly inclined upper guide plates and lower guide plates;

[0009] The support ring is fixed to the upper part of the tank body by a plurality of rib plates, and the lifting rod is installed in the support ring. The lifting rod can slide freely in the support ring. The outer diameter of the limiting hoop installed on the upper part of the lifting rod is larger than the inner diameter of the through hole in the support ring for the lifting rod to pass through. The top of the lifting rod is a conical structure, and below the conical structure is an annular groove for cooperating with the gripper of an external lifting device, and below the annular groove is a hollow structure; a valve core for blocking the lower material guide plate from bottom to top is installed at the bottom of the lifting rod; a core rod is installed inside the lifting rod; the lower part of the core rod can slide up and down in the hollow structure at the lower part of the lifting rod, and a number greater than or equal to 3 L-shaped ejector rods are installed on the upper part of the core rod, and a notch matching the number of the L-shaped ejector rods 4 is opened above the hollow part of the lifting rod; the L-shaped ejector rod slides in the notch above the hollow part of the lifting rod; the core rod and the L-shaped ejector rod fixed above the core rod are used to operate the unlocking mechanism of the gripper of the external lifting device to unlock.

[0010] Furthermore,

[0011] The valve core is in the shape of a cone with a diameter that gradually increases downward.

[0012] The utility model provides an electrode paste feeding tank for automatic pick-up and placement. After being filled with electrode paste, it is transported to the lifting area using a "ground transfer trolley with unlocking function". The crane uses an external sling and uses a gripper to grab the annular groove at the bottom of the conical head at the top of the lifting rod. The locking sleeve of the external sling can fall back by its own weight to form a self-locking, so that the sling can firmly grasp the lifting rod, and then the entire material tank can be lifted. The core rod is always in the lower limit position due to its own weight. The L-shaped top rod of the core rod is used to contact the sling to unlock. During the lifting process, the core rod is always in the lower limit position to avoid accidental unlocking of the sling. After the crane transfers the material tank to the top of the electrode, it slowly descends until the material tank contacts the electrode. When the material tank body falls steadily on the upper surface of the electrode steel shell, the external sling still firmly grasps the lifting rod to ensure that the material tank will not fall from a high altitude. After that, the crane slowly releases the lifting rod downwards through the external lifting device. At this time, the valve core moves downwards under its own weight and the gravity of the material until the limit hoop contacts the support ring. At this time, a gap is formed between the conical surface of the valve core and the bell mouth of the material tank body. At this time, the electrode paste in the tank will flow out of the tank and enter the electrode steel shell. After the electrode paste is filled, the crane lifts the material tank back to the "ground transfer trolley with unlocking function" through the external lifting device. The "ground transfer trolley with unlocking function" is equipped with a driving mechanism to push the core rod upward, and the L-shaped push rod on the upper part of the core rod drives the lock sleeve of the external lifting device to slide upward to form an unlocking trend. When the L-shaped push rod slides to the upper limit in the slot on the upper part of the lifting rod, the special lifting device grab hook releases the lifting rod through the mechanical structure, and the lifting device is separated from the lifting rod. At this time, the crane lifts the lifting device to a suitable height, and the "ground transfer trolley with unlocking function" carries the feeding tank away from the lifting area and drives towards the receiving hopper to enter the next working cycle.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The whole process of receiving, transporting and adding materials to the material tank is safe, reliable and efficient. The bottom feeding port is unlocked by sliding the center rod, and the electrode paste enters the electrode through the feeding port, effectively avoiding problems such as material spillage and dust dispersion, while reducing the labor intensity of workers and saving labor costs.

[0015] 2. The material tank can be reused repeatedly, which is environmentally friendly and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model 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 some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1A schematic diagram of the structure of an electrode paste feeding tank for automatic pick-up and placement

[0018] Figure 2 A schematic diagram of the internal structure of an electrode paste feeding tank for automatic pick-and-place

[0019] Figure 3 A schematic diagram of an electrode paste feeding tank for automatic pick-and-place

[0020] Figure 4 Schematic diagram of the core rod unlocking the peripheral lifting device

[0021] In the figure: 1. material tank body 2. support ring 3. limit hoop 4. L-shaped push rod 5. lifting rod 51. annular groove 6. valve core 7. core rod 8. upper material guide plate 9. lower material guide plate. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0026] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present utility model: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0027] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0028] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0029] like Figures 1 to 3 As shown, the utility model provides an automatic pick-and-place electrode paste feeding tank, comprising a tank body 1, a support ring 2, a limit hoop 3, an L-shaped ejector rod 4, a lifting rod 5, a valve core 6 and a core rod 7;

[0030] The material tank body 1 is a cylindrical barrel, and is provided with two layers of conical downwardly inclined upper material guide plates 8 and lower material guide plates 9;

[0031] The above-mentioned support ring 2 is fixed to the upper part of the tank body 1 through a plurality of ribs. The lifting rod 5 is installed in the support ring 2. The lifting rod 5 can slide freely in the support ring 2. The outer diameter of the limiting hoop 3 installed on the upper part of the lifting rod 5 is larger than the inner diameter of the through hole in the support ring 2 for the lifting rod 5 to pass through. The top of the lifting rod 5 is a conical structure, and below the conical structure is an annular groove 51 for cooperating with the external sling gripper, and below the annular groove 51 is a hollow structure; three notches are opened above the hollow part; the bottom of the lifting rod 5 is installed A valve core 6 is used to seal the lower material guide plate 9 from bottom to top; a core rod 7 is installed inside the lifting rod 5; the lower part of the core rod 7 can slide up and down in the hollow structure at the lower part of the lifting rod 5, and more than or equal to 3 L-shaped push rods 4 are installed on the upper part of the core rod 7, and slots matching the number of L-shaped push rods 4 are opened above the hollow part of the lifting rod 5; the L-shaped push rod 4 slides in the slot above the hollow part of the lifting rod 5; the core rod 7 and the L-shaped push rod 4 fixed above the core rod 7 are used to operate the unlocking mechanism of the external sling gripper to unlock.

[0032] Furthermore,

[0033] The valve core 6 is in the shape of a cone with a diameter gradually increasing downward.

[0034] The utility model provides an electrode paste feeding tank for automatic pick-up and placement. After being filled with electrode paste, it is transported to the lifting area using a "ground transfer trolley with unlocking function". The crane uses an external sling and uses a gripper to grab the annular groove at the bottom of the conical head at the top of the lifting rod 5. The locking sleeve of the external sling can fall back by its own weight to form a self-locking, so that the sling can firmly grasp the lifting rod 5, and then the entire material tank can be lifted. The core rod 7 is always in the lower limit position due to its own weight. The L-shaped top rod 4 of the core rod 7 is used to contact the sling to unlock. During the lifting process, the core rod 7 is always in the lower limit position to avoid accidental unlocking of the sling. After the crane transfers the material tank to the top of the electrode, it slowly descends until the material tank contacts the electrode. When the material tank body falls steadily on the upper surface of the electrode steel shell, the external sling still firmly grasps the lifting rod 5 to ensure that the material tank will not fall from a high altitude. After that, the crane slowly releases the lifting rod 5 downwards through the external lifting device. At this time, the valve core 6 moves downward under its own weight and the gravity of the material until the limit hoop 3 contacts the support ring 2. At this time, a gap is formed between the conical surface of the valve core 6 and the bell mouth of the material tank body 1. At this time, the electrode paste blocks in the tank will flow out of the tank and enter the inside of the electrode steel shell. After the electrode paste is filled, the crane lifts the material tank back to the "ground transfer trolley with unlocking function" through the external lifting device. The "ground transfer trolley with unlocking function" is equipped with a driving mechanism to push the core rod 7 upward, and the L-shaped push rod 4 on the upper part of the core rod 7 drives the lock sleeve of the external lifting device to slide upward to form an unlocking trend. When the L-shaped push rod 7 slides to the upper limit position in the upper notch of the lifting rod 5, the special lifting device grab hook releases the lifting rod 5 through the mechanical structure to complete the separation of the lifting device from the lifting rod 5. At this time, the crane lifts the hoist to a suitable height, and the "ground transfer trolley with unlocking function" carries the feeding tank away from the lifting area and drives towards the receiving hopper to enter the next working cycle.

[0035] Finally, 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 aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An automatic pick-and-place electrode paste feeding tank, characterized in that: It comprises a tank body (1), a support ring (2), a limiting hoop (3), an L-shaped push rod (4), a lifting rod (5), a valve core (6) and a core rod (7); The material tank body (1) is a cylindrical barrel, and is provided with two layers of conical downwardly inclined upper material guide plates (8) and lower material guide plates (9); The above-mentioned support ring (2) is fixed to the upper part of the tank body (1) through a plurality of ribs. The lifting rod (5) is installed in the support ring (2). The lifting rod (5) can slide freely in the support ring (2). The upper part of the lifting rod (5) is installed with a limiting hoop (3) whose outer diameter is larger than the inner diameter of the through hole in the support ring (2) for the lifting rod (5) to pass through. The top of the lifting rod (5) is a conical structure. Below the conical structure is an annular groove (51) for cooperating with an external sling gripper. Below the annular groove (51) is a hollow structure. The bottom of the lifting rod (5) is installed with a sealing ring (51) for sealing from bottom to top. A valve core (6) blocks the lower guide plate (9); a core rod (7) is installed inside the lifting rod (5); the lower part of the core rod (7) can slide up and down in the hollow structure of the lower part of the lifting rod (5); the upper part of the core rod (7) is installed with a number greater than or equal to 3 L-shaped push rods (4); a notch matching the number of the L-shaped push rods (4) is opened above the hollow part of the lifting rod (5); the L-shaped push rod (4) slides in the notch above the hollow part of the lifting rod (5); the core rod (7) and the L-shaped push rod (4) fixed above the core rod (7) are used to operate the unlocking mechanism of the external lifting device gripper to unlock.

2. The automatic pick-and-place electrode paste feeding tank according to claim 1, characterized in that: The valve core (6) is in the shape of a cone with a diameter gradually increasing downwards.

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