Graphite digestion instrument

Abstract

A graphite digestion instrument comprises: a base, the upper part of which is provided with a heating tank and a cooling tank side by side, the inner wall of the heating tank is fixedly provided with a graphite heating assembly, and the cooling tank is internally provided with a cooling assembly; the two supporting plates are horizontally arranged above the heating tank and the cooling tank in a one-to-one correspondence mode, the two supporting plates are fixedly connected through a connecting plate, and a plurality of containing holes are formed in the two supporting plates in an array mode; the rotating assembly is arranged between the heating groove and the cooling groove, the rotating assembly comprises a first driving piece fixedly installed in the base and a rotating piece rotationally installed on the upper portion of the base, and the power output end of the first driving piece is connected with the rotating piece; the lifting assembly comprises a second driving piece fixedly installed in the rotating piece, a supporting piece fixedly installed on the upper portion of the rotating piece and a transmission piece arranged between the second driving piece and the supporting piece, the connecting plate freely penetrates through the supporting piece and is movably connected with the transmission piece, and the connecting plate is slidably connected with the supporting piece in the vertical direction.

Description

Technical Field

[0001] The utility model relates to the technical field of digestion instruments, in particular to a graphite digestion instrument. Background Art

[0002] Graphite digester is a commonly used equipment in laboratories for sample pretreatment. It is usually used in various fields such as food, biological samples, sewage treatment, soil environmental protection, farm monitoring and disease control. The graphite heating digestion method combines the advantages of plate heating digestion method and bath heating digestion method. It has the characteristics of precise temperature and uniform heating. The temperature range is also greatly increased, which can meet the requirements of most sample digestion.

[0003] In the Chinese utility model patent with authorization announcement number CN210675280U, a graphite digestion instrument is disclosed, which is driven by a nut 11 to rotate. Under the action of a protrusion 13 and a slide groove 12, the rotation of a screw rod 5 is restricted, and the screw rod 5 drives the support plate 4 to move downward, and the test tube moves into the insertion groove 3; although the above patent can realize the function of automatically taking and placing the test tube, its bracket is set above the support plate, which will affect the taking and placing of the test tube to a certain extent. The test tube is easy to collide with the bracket during the taking and placing process, and the temperature of the test tube is still very high when it is just taken out of the insertion groove after the digestion is completed. It is necessary to stand and cool for a while before taking out the test tube, which makes it difficult to quickly perform the next digestion operation, affecting the use efficiency of the digestion instrument. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a graphite digestion instrument, which solves the problems in the prior art that the graphite digestion instrument affects the taking and placing of test tubes and has low use efficiency.

[0005] A graphite digestion instrument, comprising:

[0006] A base, the upper part of which is provided with a heating groove and a cooling groove side by side, a graphite heating component is fixedly installed on the inner wall of the heating groove, and a cooling component is arranged in the cooling groove;

[0007] Two support plates, which are horizontally arranged above the heating tank and the cooling tank in a one-to-one correspondence, the two support plates are fixedly connected by a connecting plate, and a plurality of placement holes are arranged in an array on the two support plates;

[0008] A rotating assembly is arranged between the heating tank and the cooling tank, the rotating assembly comprises a first driving member fixedly mounted in the base and a rotating member rotatably mounted on the upper part of the base, and a power output end of the first driving member is connected to the rotating member; and

[0009] The lifting assembly includes a second driving member fixedly installed in the rotating member, a supporting member fixedly installed on the upper part of the rotating member, and a transmission member arranged between the second driving member and the supporting member. The connecting plate freely penetrates the supporting member and is movably connected to the transmission member. The connecting plate is slidably connected to the supporting member in the vertical direction.

[0010] Compared with the prior art, the utility model has the following beneficial effects: when in use, a plurality of test tubes to be digested are inserted into a plurality of placement holes of the support plate above the heating tank one by one, and then the second driving member is started to drive the connecting plate and the two support plates to move downward through the transmission member until the plurality of test tubes are completely placed in the heating tank, and heated and digested by the graphite heating assembly. After the digestion is completed, the second driving member is started again to drive the connecting plate and the two support plates to move upward through the transmission member, so that the plurality of test tubes are completely separated from the heating tank, and then the first driving member is started to drive the support member, the connecting plate and the two support plates to rotate through the rotating member, so that the digestion is completed. The plurality of test tubes are rotated to above the cooling tank, and the other supporting plate is rotated to above the heating tank, and the test tubes to be digested are inserted into the plurality of placement holes thereon, and then the second driving member is started again to drive the connecting plate and the two supporting plates to move downward through the transmission member, so that the plurality of test tubes that have been digested are completely placed in the cooling tank and cooled by the cooling mechanism, and the plurality of test tubes to be digested are placed in the heating tank for digestion; the operation is simple and convenient, and the digested test tubes can be timely cooled while digestion is in progress, and uninterrupted switching is completed, thereby improving the use efficiency, and there will be no interference in taking and placing the test tubes.

[0011] Preferably, a rotating groove is opened on the upper part of the base, the rotating member includes a rotating disk rotatably installed in the rotating groove, the power output end of the first driving member is connected to the bottom of the rotating disk, and the supporting member is fixedly installed on the upper part of the rotating disk.

[0012] Preferably, the first driving member comprises a rotary cylinder fixedly mounted in the base, and a power output shaft of the rotary cylinder is coaxially and fixedly connected to the rotating disk.

[0013] Preferably, a cavity is opened in the middle of the rotating disk, and the transmission member includes a bevel gear assembly arranged in the cavity and a screw rod vertically rotating between the support member and the cavity, the screw rod freely passes through the connecting plate and is threadedly connected thereto, and the bevel gear assembly is arranged between the power output end of the second driving member and the screw rod.

[0014] Preferably, the support member comprises a U-shaped frame fixedly mounted on a rotating disk, the connecting plate freely penetrates the U-shaped frame and is slidably connected to two inner walls of the U-shaped frame in a vertical direction, and the screw is rotatably arranged between the U-shaped frame and the cavity.

[0015] Preferably, the second driving member comprises a motor fixedly mounted in the rotating disk, and a power output shaft of the motor is connected to the bevel gear assembly.

[0016] Preferably, the bevel gear assembly comprises a first bevel gear and a second bevel gear meshing with each other, the first bevel gear is fixedly sleeved on the screw, and the second bevel gear is coaxially fixedly connected to the power output shaft of the motor.

[0017] Preferably, an air inlet is provided at the bottom of the side wall of the cooling groove away from the heating groove, and a plurality of air outlet holes are provided on two vertically opposite inner walls adjacent to the cooling groove and the air inlet, and the cooling assembly includes a fan fixedly installed in the air inlet.

[0018] Preferably, a sealing plate is fixedly mounted on the bottom of each supporting plate, and the sealing plate is provided with a plurality of plug holes which are arranged in a one-to-one correspondence with the plurality of placement holes on the corresponding supporting plate.

[0019] Preferably, a handle is fixedly mounted on the top of the U-shaped frame.

[0020] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a schematic structural diagram of an embodiment.

[0022] Figure 2 for Figure 1 sectional view of .

[0023] Figure 3 for Figure 2 Cross-sectional view in another state.

[0024] The numbers in the figure are: 1. base; 11. heating tank; 12. cooling tank; 13. graphite heating assembly; 14. air outlet; 15. air inlet; 16. fan; 2. support plate; 21. sealing plate; 3. connecting plate; 31. U-shaped frame; 4. rotating disk; 41. cavity; 5. screw; 51. first bevel gear; 52. second bevel gear; 53. motor; 6. rotating cylinder; 7. handle; 8. test tube. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and functions of the present invention clearer and easier to understand, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods:

[0026] like Figure 1-3As shown, an embodiment of the utility model provides a graphite digestion instrument, comprising: a base 1, on the upper part of which a heating groove 11 and a cooling groove 12 are arranged side by side, a graphite heating assembly 13 is fixedly mounted on the inner wall of the heating groove 11, and a cooling assembly is arranged in the cooling groove 12; two support plates 2, which are horizontally arranged one by one above the heating groove 11 and the cooling groove 12, and the two support plates 2 are fixedly connected by a connecting plate 3, and a plurality of placement holes are arranged in an array on the two support plates 2; a rotating assembly is arranged between the heating groove 11 and the cooling groove 12, and the rotating assembly comprises a first driving member fixedly mounted in the base 1 and a rotating member rotatably mounted on the upper part of the base 1, and a power output end of the first driving member is connected to the rotating member; and a lifting assembly, which comprises a second driving member fixedly mounted in the rotating member, a supporting member fixedly mounted on the upper part of the rotating member, and a transmission member arranged between the second driving member and the supporting member, the connecting plate 3 freely passes through the supporting member and is movably connected to the transmission member, and the connecting plate 3 is slidably connected to the supporting member in a vertical direction.

[0027] Among them, the heating method of the graphite heating component 13 and the supporting components are all existing technologies and will not be described in detail here.

[0028] Insert the test tubes 8 to be digested into the placement holes of the support plate 2 above the heating tank 11 one by one, then start the second driving member to drive the connecting plate 3 and the two support plates 2 to move downward through the transmission member until the test tubes 8 are completely placed in the heating tank 11, and heat and digest them through the graphite heating assembly 13. After the digestion is completed, start the second driving member to drive the connecting plate 3 and the two support plates 2 to move upward through the transmission member, so that the test tubes 8 are completely separated from the heating tank 11, and then start the first driving member to drive the support member, the connecting plate 3 and the two support plates 2 to rotate through the rotating member, so that the test tubes 8 after digestion are rotated to the cooling tank 12, and at the same time, another supporting plate 2 rotates to above the heating tank 11, and the test tubes 8 to be digested are inserted into the several placement holes thereon, and then the second driving member is started again to drive the connecting plate 3 and the two supporting plates 2 to move downward through the transmission member, so that the several test tubes 8 that have been digested are completely placed in the cooling tank 12 and cooled by the cooling mechanism, and at the same time, the several test tubes 8 to be digested are placed in the heating tank 11 for digestion; the operation is simple and convenient, and the digested test tubes 8 can be cooled in time while digestion is in progress, and uninterrupted switching is completed, which improves the use efficiency, and there will be no interference in taking and placing the test tubes 8.

[0029] like Figure 2-3As shown, according to another embodiment of the utility model, the graphite digestion instrument further optimizes the rotating member and the first driving member included therein, a rotating groove is opened on the upper part of the base 1, the rotating member includes a rotating disk 4 rotatably installed in the rotating groove, the power output end of the first driving member is connected to the bottom of the rotating disk 4, and the support member is fixedly installed on the upper part of the rotating disk 4.

[0030] The first driving member comprises a rotary cylinder 6 fixedly installed in the base 1 , wherein the power output shaft of the rotary cylinder 6 is coaxially fixedly connected to the rotating disk 4 ; the rotary cylinder 6 is driven by an external air source.

[0031] The rotary cylinder 6 drives the rotating disk 4 to rotate, thereby driving the supporting member and the connecting plate 3 to rotate, so that the two supporting plates 2 rotate between the heating tank 11 and the cooling tank 12 .

[0032] like Figure 2-3 As shown, according to another embodiment of the utility model, the graphite digestion instrument is further optimized in terms of the transmission member, the support member and the second driving member included therein, a cavity 41 is opened in the middle of the rotating disk 4, the transmission member includes a bevel gear assembly arranged in the cavity 41 and a screw 5 vertically rotatingly arranged between the support member and the cavity 41, the screw 5 freely passes through the connecting plate 3 and is threadedly connected thereto, and the bevel gear assembly is arranged between the power output end of the second driving member and the screw 5.

[0033] The support member includes a U-shaped frame 31 fixedly mounted on the rotating disk 4, the connecting plate 3 freely penetrates the U-shaped frame 31 and is slidably connected to the two inner walls of the U-shaped frame 31 along the vertical direction, and the screw 5 is rotatably arranged between the U-shaped frame 31 and the cavity 41.

[0034] The second driving member includes a motor 53 fixedly installed in the rotating disk 4, and the power output shaft of the motor 53 is connected to the bevel gear assembly; and preferably, the bevel gear assembly includes a first bevel gear 51 and a second bevel gear 52 that are meshed with each other, the first bevel gear 51 is fixedly sleeved on the screw 5, and the second bevel gear 52 is coaxially fixedly connected to the power output shaft of the motor 53.

[0035] The motor 53 drives the screw 5 to rotate through the transmission of the first bevel gear 51 and the second bevel gear 52, so that the connecting plate 3 and the screw 5 rotate relative to each other. Since the connecting plate 3 and the two inner walls of the U-shaped frame 31 are connected by sliding in the vertical direction, the screw 5 can drive the connecting plate 3 and the two support plates 2 to move in the vertical direction.

[0036] like Figure 2-3As shown, according to another embodiment of the utility model, the graphite digestion instrument further optimizes the cooling component it includes, the cooling tank 12 is provided with an air inlet 15 at the bottom of the side wall away from the heating tank 11, and the two vertically opposite inner walls adjacent to the cooling tank 12 and the air inlet 15 are provided with a plurality of air outlet holes 14, and the cooling component includes a fan 16 fixedly installed in the air inlet 15; the test tube 8 after digestion is cooled by the fan 16, and the heat is dissipated through the plurality of air outlet holes 14.

[0037] like Figure 2-3 As shown, according to another embodiment of the utility model, in the graphite digestion instrument, preferably, a sealing plate 21 is fixedly installed at the bottom of each support plate 2, and the sealing plate 21 is provided with a plurality of jacks which are arranged in a one-to-one correspondence with a plurality of placement holes on the corresponding support plate 2, so that heat is not lost during digestion.

[0038] like Figure 2-3 As shown, according to another embodiment of the utility model, in the graphite digestion instrument, preferably, a handle 7 is fixedly installed on the top of the U-shaped frame 31 to facilitate the operator to carry the digestion instrument and move it.

[0039] The motor 53, the graphite heating assembly 13 and the fan 16 are all powered by an external power supply, and the motor 53 can also rotate forward and reverse.

[0040] The use principle of the utility model is as follows: when the utility model is used, a plurality of test tubes 8 to be digested are inserted into a plurality of placement holes of the support plate 2 above the heating tank 11 one by one, and the motor 53 is started to drive the screw 5 to rotate through the transmission of the first bevel gear 51 and the second bevel gear 52, so as to drive the connecting plate 3 and the two support plates 2 to move vertically downward until the plurality of test tubes 8 are completely placed in the heating tank 11, and heated and digested by the graphite heating assembly 13. After the digestion is completed, the motor 53 is started again to drive the connecting plate 3 and the two support plates 2 to move vertically upward, so that the plurality of test tubes 8 are completely separated from the heating tank 11, and then the rotation is started. The cylinder 6 drives the rotating disk 4, the U-shaped frame 31, the connecting plate 3 and the two supporting plates 2 to rotate, so that the several test tubes 8 that have been digested are rotated to the top of the cooling tank 12, and at the same time, the other supporting plate 2 is rotated to the top of the heating tank 11, and the test tubes 8 to be digested are inserted into the several placement holes thereon, and then the motor 53 is started again to drive the connecting plate 3 and the two supporting plates 2 to move vertically downward, so that the several test tubes 8 that have been digested are completely placed in the cooling tank 12 and cooled by the fan 16, and the several test tubes 8 to be digested are placed in the heating tank 11 for heating and digestion. In the above manner, an uninterrupted and continuous digestion operation can be achieved.

[0041] 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 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 purpose 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 graphite digestion instrument, characterized in that: include: A base (1) has a heating groove (11) and a cooling groove (12) arranged side by side on its upper part, a graphite heating component (13) is fixedly mounted on the inner wall of the heating groove (11), and a cooling component is arranged in the cooling groove (12); Two support plates (2), which are horizontally arranged one by one above the heating groove (11) and the cooling groove (12), the two support plates (2) are fixedly connected by a connecting plate (3), and a plurality of placement holes are arranged in an array on the two support plates (2); A rotating assembly is arranged between the heating tank (11) and the cooling tank (12), the rotating assembly comprising a first driving member fixedly mounted in the base (1) and a rotating member rotatably mounted on the upper part of the base (1), the power output end of the first driving member being connected to the rotating member; as well as The lifting assembly comprises a second driving member fixedly mounted inside a rotating member, a supporting member fixedly mounted on the upper part of the rotating member, and a transmission member arranged between the second driving member and the supporting member, wherein the connecting plate (3) freely penetrates the supporting member and is movably connected to the transmission member, and the connecting plate (3) is slidably connected to the supporting member in a vertical direction.

2. A graphite digestion instrument according to claim 1, characterized in that, A rotating groove is provided on the upper part of the base (1); the rotating member comprises a rotating disk (4) rotatably mounted in the rotating groove; a power output end of the first driving member is connected to the bottom of the rotating disk (4); and the supporting member is fixedly mounted on the upper part of the rotating disk (4).

3. A graphite digestion instrument according to claim 2, characterized in that, The first driving member comprises a rotary cylinder (6) fixedly mounted in the base (1), and a power output shaft of the rotary cylinder (6) is coaxially fixedly connected to the rotating disk (4).

4. A graphite digestion instrument according to claim 2, characterized in that, A cavity (41) is provided in the middle of the rotating disk (4), and the transmission member comprises a bevel gear assembly arranged in the cavity (41) and a screw rod (5) arranged vertically and rotatably between the support member and the cavity (41), the screw rod (5) freely passes through the connecting plate (3) and is threadedly connected thereto, and the bevel gear assembly is arranged between the power output end of the second driving member and the screw rod (5).

5. A graphite digestion instrument according to claim 4, characterized in that, The support member comprises a U-shaped frame (31) fixedly mounted on a rotating disk (4); the connecting plate (3) freely penetrates the U-shaped frame (31) and is slidably connected to two inner walls of the U-shaped frame (31) in a vertical direction; and the screw rod (5) is rotatably arranged between the U-shaped frame (31) and the cavity (41).

6. A graphite digestion instrument according to claim 4, characterized in that, The second driving member comprises a motor (53) fixedly mounted in the rotating disk (4), and a power output shaft of the motor (53) is connected to the bevel gear assembly.

7. A graphite digestion instrument according to claim 6, characterized in that, The bevel gear assembly comprises a first bevel gear (51) and a second bevel gear (52) meshing with each other, the first bevel gear (51) being fixedly sleeved on the screw rod (5), and the second bevel gear (52) being coaxially fixedly connected to a power output shaft of a motor (53).

8. A graphite digestion instrument according to claim 1, characterized in that, An air inlet (15) is provided at the bottom of the side wall of the cooling groove (12) away from the heating groove (11), and a plurality of air outlet holes (14) are provided on two vertically opposite inner walls of the cooling groove (12) adjacent to the air inlet (15), and the cooling component includes a fan (16) fixedly installed in the air inlet (15).

9. A graphite digestion instrument according to claim 1, characterized in that, A sealing plate (21) is fixedly mounted on the bottom of each support plate (2), and the sealing plate (21) is provided with a plurality of insertion holes which are arranged in a one-to-one correspondence with a plurality of placement holes on the corresponding support plate (2).

10. A graphite digestion instrument according to claim 5, characterized in that: A handle (7) is fixedly mounted on the top of the U-shaped frame (31).

Images