Full-automatic sample melting machine with rapid crucible cooling function

Abstract

The invention relates to the technical field of sample melting machines, in particular to a full-automatic sample melting machine with a rapid crucible cooling function, which comprises a frame body and a shell placed on the frame body, and further comprises sliding blocks axially and symmetrically arranged on two sides of the shell in a sliding manner; the rotating cylinder is rotationally mounted on one side of the sliding block; the vertical plate is fixedly mounted on the other side of the rotating cylinder; the storage plate is fixedly mounted at the top of the vertical plate, and a plurality of storage frames are transversely and linearly arranged in the storage plate in an array manner; the two ends of the fixing frame are fixedly connected with the sliding blocks on the two sides correspondingly, and the rotating cylinder movably penetrates through the single side of the fixing frame; the shaking assembly is arranged on the fixing frame and used for driving the storage plate to swing left and right; and the rotating assembly is arranged below the storage plate and used for driving the storage frame to rotate. According to the full-automatic sample melting machine with the rapid crucible cooling function, through cooperation of a plurality of components such as the rotating rod, the rotating plate, the vertical rod and the sleeve, left-right reciprocating swing of the storage plate is achieved, and a sample can be heated more evenly.

Description

Technical Field

[0001] The present invention relates to the technical field of melting machines, and in particular to a fully automatic melting machine with a function of quickly cooling a crucible. Background Art

[0002] A fully automatic melting machine is a device used for high-temperature melting treatment of solid samples, which is widely used in the pretreatment of sample analysis in industries such as steel, metallurgy, chemical industry, and geology. By using high-performance heating elements, such as graphite heating bodies or silicon carbide rods, etc., it can provide a stable and uniform high-temperature environment to ensure that the samples are fully melted. Equipped with advanced temperature control instruments and sensors, it can accurately control the heating temperature and heating rate.

[0003] During the production process, solid samples are usually placed in a crucible, and then the crucible containing the samples is placed on the crucible rack of the melting machine and ensured to be firmly installed. After starting the melting machine, the heating system starts to work and heats the crucible according to the preset temperature parameters. During the heating process, the samples gradually soften and melt to form a uniform melt. At the same time, the heating will also drive the crucible rack to shake, which can make the samples heat more evenly and avoid local overheating or non-melting. However, simple left-right shaking may cause local dead zones to form in the crucible for the samples, that is, some parts are in a relatively static state for a long time, which is prone to local overheating and even burning. Summary of the Invention

[0004] Based on this, in view of the above technical problems, it is necessary to provide a fully automatic melting machine with a function of quickly cooling a crucible, which can avoid the occurrence of melting dead zones in the crucible when heating and melting samples.

[0005] A fully automatic melting machine with a function of quickly cooling a crucible provided by the present invention includes a frame body and a housing placed on the frame body, and further includes: Sliders, axially symmetrically slidably arranged on both sides of the housing; A rotating cylinder, rotatably installed on one side of the slider; A vertical plate, fixedly installed on the other side of the rotating cylinder; A placing plate, fixedly installed on the top of the vertical plate, and a plurality of placing frames are horizontally linearly arrayed therein; A fixing frame, with both ends fixedly connected to the sliders on both sides respectively, and the rotating cylinder movably penetrates through one side of the fixing frame; A shaking assembly, arranged on the fixing frame, for driving the placing plate to swing left and right; A rotating assembly, arranged below the placing plate, for driving the placing frames to rotate.

[0006] In one embodiment, the shaking component includes a cross bar fixedly arranged horizontally between the two vertical plates. A sleeve is movably sleeved outside the cross bar. A vertical rod is fixedly arranged at the bottom of the sleeve. A rotating plate is movably sleeved outside the vertical rod. A rotating rod is fixedly arranged at one end of the rotating plate away from the vertical rod. The rotating rod movably penetrates through the fixing frame.

[0007] In one embodiment, a round rod is fixedly arranged at the bottom of the storage frame. One end of the round rod away from the storage frame movably penetrates through the bottom of the storage plate.

[0008] In one embodiment, the rotating component includes a cylinder fixedly arranged between the two vertical plates. A notch is formed at a position of the cylinder below the round rod. A positioning plate is fixedly arranged at one side of the notch of the cylinder. A lifting rod is movably arranged on the positioning plate. A limiting rod is fixedly arranged on one side of the lifting rod. A curve groove is formed on the outside of the round rod. The limiting rod is in sliding fit with the curve groove.

[0009] In one embodiment, a ring is fixedly sleeved outside the lifting rod. A positioning spring is fixedly arranged between the ring and the positioning plate. The positioning spring is movably sleeved outside the lifting rod.

[0010] In one embodiment, a fixing rod movably penetrates between the two rotating cylinders. The fixing rod movably penetrates through the cylinder and is fixedly connected with the slider at both ends. A positioning ring is fixedly sleeved on the outside of the part of the fixing rod located in the notch. An annular groove is formed on the positioning ring. One end of the lifting rod is slidably embedded in the annular groove.

[0011] In one embodiment, the shape of the annular groove is designed such that the middle part slopes upward to both sides and the radian increases slowly.

[0012] In one embodiment, positioning frames are axially symmetrically arranged on both sides of the bottom of the fixing frame. Moving rods are slidably arranged in the positioning frames. An activity frame is fixedly arranged between the two moving rods. A cam is movably arranged in the activity frame. Cleaning pads are fixedly arranged below the moving rods.

[0013] In one embodiment, a rotating shaft is rotatably arranged on one side of the fixing frame where the rotating rod is located. The end of the rotating shaft is fixedly connected with the cam. A partial gear is fixedly sleeved on the outside of the rotating shaft. A driving gear is fixedly arranged at the end of the rotating rod. The driving gear is in meshing transmission with the partial gear.

[0014] In one embodiment, a cooling frame is fixedly arranged on one side of the shell. A plurality of fans are arranged on one side of the cooling frame.

[0015] The above-mentioned fully automatic melting sample machine with the function of quickly cooling the crucible realizes the left and right reciprocating swing of the placing plate through the cooperation of multiple components such as the rotating rod, rotating plate, vertical rod, and sleeve, which can make the sample heat more evenly; through the cooperation of multiple components such as the positioning ring, annular groove, lifting rod, positioning plate, and positioning spring, the rotation of the round rod is realized, which can make the placing frame rotate while reciprocating, avoiding the formation of local dead zones in the crucible for the sample, and easily causing local overheating or even burning; through the cooperation of multiple components such as the cam, movable frame, and moving rod, the movement of the cleaning pad is realized, which can clean the overflowing sample and avoid contamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 Schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the internal structure of the housing in the present invention; Figure 3 Schematic diagram of the structure of the cylinder in the present invention; Figure 4 For Figure 3 Enlarged schematic diagram of part A in Figure 5 Schematic diagram of the structure of the annular groove in the present invention; Figure 6 Schematic diagram of the structure of the incomplete gear and the driving gear in the present invention; Figure 7 Schematic diagram of the structure of the fixed rod and the positioning ring in the present invention; Figure 8 Schematic diagram of the structure of the cam in the present invention.

[0018] Reference numerals: 1. Frame body; 2. Housing; 3. Slide block; 4. Rotating cylinder; 5. Vertical plate; 6. Placing plate; 7. Placing frame; 8. Shaking assembly; 81. Cross bar; 82. Sleeve; 83. Vertical bar; 84. Rotating plate; 85. Rotating rod; 9. Rotating assembly; 91. Cylinder; 92. Notch; 93. Positioning plate; 94. Lifting rod; 95. Limiting rod; 10. Fixed frame; 11. Round bar; 111. Curved groove; 12. Ring; 13. Positioning spring; 14. Fixed rod; 15. Positioning ring; 151. Annular groove; 16. Positioning frame; 17. Moving rod; 18. Movable frame; 19. Cam; 20. Cleaning pad; 21. Rotating shaft; 22. Incomplete gear; 23. Driving gear; 24. Cooling frame; 25. Fan. Detailed implementation manner

[0019] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the description of the present invention are only for the purpose of illustration and do not represent the only implementation manner.

[0021] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0022] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or the first feature is in indirect contact with the second feature through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0023] Unless otherwise defined, all technical and scientific terms used in the description of the present invention have the same meaning as commonly understood by those skilled in the technical field to which the present invention pertains. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in the description of the present invention includes any and all combinations of one or more of the related listed items.

[0024] The following combines Figures 1-8 to describe a fully automatic melting sample machine with the function of quickly cooling a crucible according to the present invention.

[0025] As Figures 1-6 shown, in one embodiment, a fully automatic melting sample machine with the function of quickly cooling a crucible includes a frame 1 and a housing 2 placed on the frame 1, and further includes: Sliders 3, symmetrically axially slidably arranged on both sides of the housing 2; A rotating cylinder 4, rotatably installed on one side of the slider 3; A vertical plate 5, fixedly installed on the other side of the rotating cylinder 4; A placing plate 6, fixedly installed on the top of the vertical plate 5, and a plurality of placing frames 7 are horizontally linearly arrayed therein; A fixing frame 10, with both ends fixedly connected to the sliders 3 on both sides respectively, and the rotating cylinder 4 movably penetrates through one side of the fixing frame 10; A shaking assembly 8, arranged on the fixing frame 10, for driving the placing plate 6 to swing left and right; A rotating assembly 9, arranged below the placing plate 6, for driving the placing frames 7 to rotate.

[0026] Specifically, the sample is poured into the crucible, and the crucible containing the sample is placed in the storage frame 7 and the crucible and the storage frame 7 are kept locked with each other. The storage frame 7 can rotate relative to the storage plate 6, and the slider 3 is slid into the shell 2. The slider 3 moves inward to drive the rotating cylinder 4, the vertical plate 5, the storage plate 6, and the fixed frame 10 to move inward together. After reaching the area where the shell 2 heats the sample, the shell 2 heating switch is started to heat the sample in the crucible to melt it. While heating, the rotating cylinder 4, the vertical plate 5 and the storage plate 6 are driven to shake left and right through the shaking component 8, and the storage frame 7 and the sample in the molten state inside are also shaken together, which can be conducive to uniform heating of the sample. At the same time, the storage frame 7 is driven to rotate by the rotating component 9, so that the sample can be shaken left and right and rotated at the same time in the crucible, and the spatial motion trajectory of the sample inside the crucible becomes more complicated. This complex movement method helps to mix the various parts of the sample more fully, and the combined action of rotation and shaking can make the contact between the sample and the crucible wall more frequent and uniform. The crucible wall usually serves as the heat exchange interface between the heating source and the sample. More complete contact can improve the efficiency of heat transfer from the crucible to the sample. Simply shaking the sample left and right may cause a local dead zone to form in the crucible, that is, some parts are in a relatively static state for a long time, which is prone to local overheating or even burning. After adding rotation, this local dead zone can be effectively broken, so that all parts of the sample can be more evenly exposed to the appropriate temperature, reducing the risk of burning, and the frame 1 provides support.

[0027] See also Figure 3 and Figure 6 As shown, in this embodiment, the shaking assembly 8 includes a cross bar 81 fixedly arranged transversely between two vertical plates 5, a sleeve 82 is movably sleeved on the outer side of the cross bar 81, a vertical bar 83 is fixedly arranged on the bottom of the sleeve 82, a rotating plate 84 is movably sleeved on the outer side of the vertical bar 83, a rotating rod 85 is fixedly arranged on one end of the rotating plate 84 away from the vertical bar 83, and the rotating rod 85 movably passes through the fixed frame 10.

[0028] Specifically, the motor of the rotating rod 85 is started, and the rotating rod 85 rotates to drive the rotating plate 84 to rotate. Since the vertical rod 83 is movably sleeved inside the rotating plate 84, the rotation of the rotating plate 84 will drive the vertical rod 83 to revolve around the rotating rod 85, which will drive the sleeve 82 to move back and forth along the cross bar 81, so that the cross bar 81, the rotating cylinder 4, the vertical plate 5, and the storage plate 6 shake back and forth left and right. While rotating, the rotating plate 84 will also move back and forth up and down relative to the vertical rod 83. The shaking of the storage plate 6 will drive the sample to shake, so that the sample is heated evenly.

[0029] See also Figures 2-4 As shown, in this embodiment, a round rod 11 is fixedly provided at the bottom of the storage frame 7 , and one end of the round rod 11 away from the storage frame 7 movably penetrates the bottom of the storage plate 6 .

[0030] Specifically, while the storage plate 6 swings left and right, the round rod 11 rotates. The rotation of the round rod 11 will drive the storage frame 7 to rotate within the storage plate 6, so that the sample in the crucible rotates while swinging. This can prevent the formation of local dead zones in the crucible, which is likely to cause local overheating or even burning.

[0031] Refer to Figure 4 As shown, in this embodiment, the rotating assembly 9 includes a cylinder 91 fixedly arranged between two vertical plates 5. A notch 92 is provided at a position of the cylinder 91 below the round rod 11. A positioning plate 93 is fixedly arranged on one side of the notch 92 of the cylinder 91. A lifting rod 94 is movably arranged on the positioning plate 93. A limiting rod 95 is fixedly arranged on one side of the lifting rod 94. A curve groove 111 is provided on the outer side of the round rod 11, and the limiting rod 95 is in sliding fit with the curve groove 111.

[0032] Specifically, the reciprocating swing of the rotating cylinder 4 will drive the cylinder 91 to swing reciprocally together. The cylinder 91 will always be directly below the storage plate 6. While the storage plate 6 swings reciprocally, the lifting rod 94 moves vertically and reciprocally. When the lifting rod 94 moves upward along the positioning plate 93, it will drive the limiting rod 95 to move upward along the curve groove 111, thus realizing the rotation of the round rod 11. The rotation of the round rod 11 will drive the rotation of the storage frame 7 and the sample. Similarly, when the lifting rod 94 moves downward, it will drive the limiting rod 95 to move downward, thereby driving the round rod 11 to rotate in the reverse direction. In this way, the rotation of the storage frame 7 and the sample can also be realized.

[0033] Refer to Figure 4 As shown, in this embodiment, a ring 12 is fixedly sleeved on the outer side of the lifting rod 94. A positioning spring 13 is fixedly arranged between the ring 12 and the positioning plate 93, and the positioning spring 13 is movably sleeved on the outer side of the lifting rod 94.

[0034] Specifically, when the lifting rod 94 moves upward along the positioning plate 93, it will drive the ring 12 to move upward, thereby compressing the positioning spring 13. When the lifting rod 94 moves downward, it will drive the ring 12 back to the initial position. During this process, the positioning spring 13 will return to its state. The positioning spring 13 can provide stability for the lifting of the lifting rod 94.

[0035] Refer to Figure 4 、 Figure 5 and Figure 7 As shown, in this embodiment, a fixed rod 14 is movably penetrated between the two rotating cylinders 4. The fixed rod 14 movably penetrates the cylinder 91 and both ends are fixedly connected to the slider 3. A positioning ring 15 is fixedly sleeved on the outer side of the part of the fixed rod 14 located in the notch 92. An annular groove 151 is provided on the positioning ring 15, and one end of the lifting rod 94 is slidably embedded in the annular groove 151.

[0036] Specifically, when the rotating cylinder 4 and the cylindrical barrel 91 sway from side to side, the fixed rod 14 remains stationary. When the cylindrical barrel 91 swings from side to side, the design of the notch 92 prevents it from colliding with the round rod 11. When the cylindrical barrel 91 swings from side to side, it drives the positioning plate 93 and the lifting rod 94 to swing together. The lifting rod 94 revolves around the fixed rod 14. During the revolution, one end of the lifting rod 94 is slidably embedded in the annular groove 151 formed in the positioning ring 15. The annular groove 151 can be designed with multiple protrusions. In this way, when the lifting rod 94 moves along the annular groove 151, the lifting rod 94 itself will reciprocally lift. The lifting of the lifting rod 94 drives the limiting rod 95 to lift, and the cooperation between the limiting rod 95 and the curved groove 111 realizes the rotation of the round rod 11. In this way, it can be realized that the storage frame 7 can rotate while swinging, further improving the heating quality of the sample.

[0037] Refer to Figure 5 As shown, in this embodiment, the annular groove 151 is designed such that the middle part slopes upward from both sides, and the radian increases slowly.

[0038] Specifically, when the cylindrical barrel 91 rotates towards one side relative to the fixed rod 14, the lifting rod 94 will move along one side of the annular groove 151 and gradually move upward. In this way, it can be realized that the lifting rod 94 moves upward relative to the positioning plate 93, thereby realizing the rotation of the round rod 11. Similarly, when the cylindrical barrel 91 rotates towards the other side relative to the fixed rod 14, the lifting rod 94 will also move upward. The two sides of the annular groove 151 slope upward and the radian increases slowly to prevent the lifting speed of the lifting rod 94 from being too fast. If the lifting speed of the lifting rod 94 is fast, it will drive the rotation speed of the round rod 11 to be fast, so that the sample in the crucible will not be unstable and is likely to splash out of the crucible, causing waste of raw materials.

[0039] Refer to Figure 6 and Figure 8 As shown, in this embodiment, positioning frames 16 are axially symmetrically arranged on both sides of the bottom of the fixed frame 10. Moving rods 17 are slidably arranged in the positioning frames 16. An activity frame 18 is fixedly arranged between the two moving rods 17. A cam 19 is movably arranged in the activity frame 18. Cleaning pads 20 are fixedly arranged below the moving rods 17.

[0040] Specifically, if too much sample is added to the crucible, part of the sample may overflow from the crucible under the action of the left and right swinging and self-rotation of the placement frame 7, and will drip into the interior of the housing 2, causing contamination. Therefore, when heating the sample, the cam 19 is rotated. The rotation of the cam 19 drives the movable frame 18 to reciprocate left and right. The left and right reciprocating movement of the movable frame 18 drives the movable rods 17 on both sides to reciprocate. The movement of the movable rods 17 drives the cleaning pads 20 to reciprocate to wipe the overflowing sample, avoiding contamination. The cleaning pads 20 need to be made of high-temperature resistant materials, such as ceramic fibers, quartz fibers, etc. The positioning frame 16 provides a supporting function for the movement of the movable rods 17.

[0041] Refer to Figure 8 As shown, in this embodiment, a rotating shaft 21 is rotatably provided on one side of the rotating rod 85 of the fixing frame 10. The end of the rotating shaft 21 is fixedly connected to the cam 19. An incomplete gear 22 is fixedly sleeved on the outer side of the rotating shaft 21. A driving gear 23 is fixedly provided at the end of the rotating rod 85. The driving gear 23 is meshed with the incomplete gear 22 for transmission.

[0042] Specifically, when the sample needs to be heated, the rotating shaft 21 is rotated. The rotation of the rotating shaft 21 drives the incomplete gear 22 to rotate. The rotation of the incomplete gear 22 drives the driving gear 23 to rotate intermittently, that is, the first half of the rotation of the incomplete gear 22 drives the driving gear 23 and the rotating rod 85 to rotate one circle, and the second half of the rotation of the incomplete gear 22 does not drive the driving gear 23 and the rotating rod 85 to rotate. The rotation of the rotating rod 85 by one circle realizes the left and right reciprocating shaking of the placement plate 6 once. The intermittent rotation can prevent the sample from splashing or overflowing from the crucible due to excessive shaking, resulting in sample loss. At the same time, the rotation of the rotating shaft 21 also drives the cam 19 to rotate, thereby realizing the cleaning of the interior of the housing 2 by the cleaning pads 20, avoiding contamination.

[0043] Refer to Figure 2 As shown, in this embodiment, a cooling frame 24 is fixedly provided on one side of the housing 2. A plurality of fans 25 are provided on one side of the cooling frame 24.

[0044] Specifically, when the sample is completely melted, the slider 3 is moved outwards, and then the fixing of the crucible and the placement frame 7 is released, and the crucible is transferred and placed on the cooling frame 24. The fans 25 can quickly cool the crucible and the sample, so that the sample is quickly cooled and solidified.

[0045] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0046] The above-described embodiments merely represent several implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the appended claims.

Claims

1. A fully automatic melting sample machine with the function of quickly cooling a crucible, comprising a frame and a housing placed on the frame, characterized in that, It further includes: Sliders, symmetrically axially slidably arranged on both sides of the housing; A rotating cylinder, rotatably mounted on one side of the slider; A vertical plate, fixedly mounted on the other side of the rotating cylinder; A storage plate, fixedly mounted on the top of the vertical plate, in which a plurality of storage frames are horizontally linearly arrayed; A fixing frame, with both ends fixedly connected to the sliders on both sides respectively, and the rotating cylinder movably penetrates through one side of the fixing frame; A shaking assembly, arranged on the fixing frame, for driving the storage plate to swing left and right; A rotating assembly, arranged below the storage plate, for driving the storage frames to rotate.

2. The fully automatic melting sample machine with the function of quickly cooling the crucible according to claim 1, characterized in that, The shaking assembly includes a cross bar horizontally fixedly arranged between the two vertical plates. A sleeve is movably sleeved on the outer side of the cross bar. A vertical rod is fixedly arranged at the bottom of the sleeve. A rotating plate is movably sleeved on the outer side of the vertical rod. A rotating rod is fixedly arranged at one end of the rotating plate away from the vertical rod, and the rotating rod movably penetrates through the fixing frame.

3. The full-automatic melting sample machine with the function of quickly cooling the crucible according to claim 2, characterized in that, A round rod is fixedly arranged at the bottom of the storage frame, and one end of the round rod away from the storage frame movably penetrates through the bottom of the storage plate.

4. The full-automatic melting sample machine with the function of quickly cooling a crucible according to claim 3, characterized in that, The rotating assembly includes a cylinder fixedly arranged between the two vertical plates. A notch is formed at a position of the cylinder below the round rod. A positioning plate is fixedly arranged at one side of the notch of the cylinder. A lifting rod is movably arranged on the positioning plate. A limiting rod is fixedly arranged on one side of the lifting rod. A curve groove is formed on the outer side of the round rod, and the limiting rod is slidably fitted with the curve groove.

5. The full-automatic melting sample machine with the function of quickly cooling the crucible according to claim 4, characterized in that, A ring is fixedly sleeved on the outer side of the lifting rod. A positioning spring is fixedly arranged between the ring and the positioning plate, and the positioning spring is movably sleeved on the outer side of the lifting rod.

6. The fully automatic melting sample machine with the function of quickly cooling the crucible according to claim 4, characterized in that, A fixing rod is movably penetrated between the two rotating cylinders, and the fixing rod movably penetrates through the cylinder and both ends are fixedly connected to the sliders. A positioning ring is fixedly sleeved on the outer side of the part of the fixing rod located at the notch. An annular groove is formed on the positioning ring, and one end of the lifting rod is slidably embedded in the annular groove.

7. The fully automatic melting sample machine with the function of quickly cooling the crucible according to claim 6, characterized in that, The shape of the annular groove is designed such that it slopes upward from the middle to both sides, and the radian increases slowly.

8. The fully automatic melting sample machine with the function of quickly cooling the crucible according to claim 2, characterized in that, Positioning frames are axially symmetrically arranged on both sides of the bottom of the fixing frame. Moving rods are slidably arranged in the positioning frames respectively. An activity frame is fixedly arranged between the two moving rods. A cam is movably arranged in the activity frame. Cleaning pads are fixedly arranged below the moving rods.

9. The fully automatic melting sample machine with the function of quickly cooling the crucible according to claim 8, wherein, A rotating shaft is rotatably arranged on one side of the fixing frame where the rotating rod is located. The end of the rotating shaft is fixedly connected to the cam. A partial gear is fixedly sleeved on the outer side of the rotating shaft. A driving gear is fixedly arranged at the end of the rotating rod, and the driving gear is meshed and driven with the partial gear.

10. The fully automatic melting sample machine with the function of quickly cooling the crucible according to claim 1, characterized in that, A cooling frame is fixedly arranged on one side of the housing, and a plurality of fans are arranged on one side of the cooling frame.

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