CN215438340U - Graphite furnace feeding device - Google Patents
Graphite furnace feeding device Download PDFInfo
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- CN215438340U CN215438340U CN202120396982.6U CN202120396982U CN215438340U CN 215438340 U CN215438340 U CN 215438340U CN 202120396982 U CN202120396982 U CN 202120396982U CN 215438340 U CN215438340 U CN 215438340U
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Abstract
The utility model discloses a graphite furnace feeding device which comprises a support seat, wherein a first guide rail is arranged on the surface of the support seat along the length direction of the support seat, a second guide rail and a third guide rail are arranged on two sides of the first guide rail through the support seat, a rack plate is arranged on one side of the first guide rail along the length direction of the first guide rail through a fixing frame, a pushing frame is arranged on the first guide rail in a sliding mode, the top of the pushing frame is provided with an opening, a pushing block is arranged at the right end of the pushing frame, and a stepping motor is arranged at the left end of the pushing frame. Has the advantages that: can be with stable transport to the graphite furnace in of graphite seat frame to guaranteed simultaneously that the work or material rest on this graphite seat frame is rotatory on the graphite seat frame under rotary mechanism's effect, make the winding have ceramic fiber material above the graphite feed cylinder, drive the rotation of material axle through rotary mechanism, the material axle can make the ceramic fiber material on graphite feed cylinder surface and the gaseous reaction of letting in the graphite furnace more even at rotatory in-process, it is also more even to be heated simultaneously.
Description
Technical Field
The utility model relates to the technical field of graphite furnaces, in particular to a feeding device of a graphite furnace.
Background
The graphite furnace is a non-flame atomizer, is applied to an atomic absorption spectrometry, and is a widely applied electric heating atomizer. The essence of the graphite atomizer is a graphite resistance heater, which heats a high-resistance graphite tube by using large current to generate high temperature of 3000 ℃ to melt the graphite tube with a small amount of test solution solid in the graphite tube so as to obtain free atoms, wherein the graphite furnace comprises three parts: the furnace comprises three parts, namely a graphite pipe, a furnace body and a power supply.
The feeding device of the existing graphite furnace is complex, is inconvenient to draw out a material rack in the graphite furnace, and can not well contact and be heated with the gas introduced into the graphite furnace to the product heated in the graphite furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a graphite furnace feeding device, which has simple and effective feeding and discharging modes, can stably convey a graphite seat frame into a graphite furnace, and simultaneously ensures that a material rack on the graphite seat frame rotates on the graphite seat frame under the action of a rotating mechanism, so that a ceramic fiber material is wound on a graphite charging barrel, the rotating mechanism drives a charging shaft to rotate, and the ceramic fiber material on the surface of the graphite charging barrel can react with gas introduced into the graphite furnace more uniformly and be heated more uniformly in the rotating process of the charging shaft.
The technical scheme of the utility model is realized as follows:
the utility model provides a graphite furnace feed arrangement, includes a frame foundation, a guide rail I is installed along its length direction on a frame foundation surface, guide rail two and guide rail three are installed through a frame foundation in guide rail one both sides, rack plate has been arranged along its length direction through the mount to one side of guide rail one, slidable mounting has the push frame on the guide rail one, push frame open-top, the right-hand member of push frame is equipped with the ejector pad, step motor is installed to the left end of push frame, step motor's output passes through gear and rack plate meshing.
The roller frame is slidably mounted on the second guide rail and the third guide rail, the graphite seat frame is placed through the roller frame, the material frame is placed on the graphite seat frame in a separable mode, the air cylinder assembly for separating the material frame from the graphite seat frame is mounted on the side face of the support seat, and the plurality of graphite charging barrels are sequentially placed on the material frame through the air cylinder assembly.
The right end of the pushing frame is located on the right side of the pushing block, and a wedge block is installed on the right side of the pushing block through a pin shaft and can be matched with a groove in the bottom of the left end of the graphite seat frame in a clamping mode.
And the right end of the bracket base is provided with a screw rod assembly matched with the roller frame.
Further, the air cylinder assembly comprises a first air cylinder, a second air cylinder and a third air cylinder which are sequentially arranged along the feeding direction, the first air cylinder, the second air cylinder and the third air cylinder are mounted at the top end of the support on the side face of the support base through bolts, and the output ends of the first air cylinder, the second air cylinder and the third air cylinder are movably connected with hook parts matched with the material rack.
Furthermore, the screw rod assembly comprises a screw rod arranged at the front end of the support seat, an adjusting hand wheel is arranged at the left end of the screw rod, and a connecting part matched with the roller frame is arranged on the screw rod.
Furthermore, the connecting part comprises a connecting sleeve matched with the screw rod in a threaded manner, and connecting plates connected with the bottom of the roller frame are arranged on two sides of the connecting sleeve.
The utility model has the beneficial effects that: the connecting sleeve is made to do linear motion along the length direction of the screw rod by manually adjusting an adjusting hand wheel, the connecting plates on two sides of the connecting sleeve drive the roller frame to be conveyed into the graphite furnace from a feeding hole of the graphite furnace until the roller frame is butted with a slide way in the graphite furnace, a stepping motor is started, a gear connected with the output end of the stepping motor is meshed with the rack plate for transmission, the pushing frame is made to move along a guide rail along the feeding direction of the graphite furnace until a pushing block at the front end of the pushing frame is contacted with a graphite seat frame and pushes the graphite seat frame, the graphite seat frame moves to a preset position in the graphite furnace along the roller frame, a flange plate arranged at the right end of the material frame is matched with a rotating mechanism arranged at the other end of the graphite furnace, and ceramic fiber materials on the surfaces of a plurality of graphite charging barrels arranged on the material frame and gas introduced into the graphite furnace are heated in a reaction manner; when the ceramic fiber material wound on the graphite charging barrel in the graphite furnace is heated, the adjusting hand wheel is rotated again to ensure that the roller frame is butted with the slide way in the graphite furnace, the stepping motor is started again to ensure that the pushing frame slides into the graphite furnace cavity along the guide rail I, the wedge block movably arranged at the front end of the pushing frame is kept in a vertical state under the self gravity action, when the pushing frame is in sliding contact with the bottom of the graphite seat frame, the wedge block can rotate until the wedge block enters the groove arranged at the bottom of the graphite seat frame and can rotate to a vertical state under the self gravity action, the wedge block is abutted against the inner side wall of the groove, the pushing frame is moved to the feeding end of the graphite furnace through the stepping motor until the graphite seat frame is completely pulled out of the graphite furnace, the feeding and discharging mode of the utility model is simple and effective, the graphite seat frame can be stably conveyed into the graphite furnace, and guaranteed simultaneously that the work or material rest on this graphite seat frame is rotatory on the graphite seat frame under rotary mechanism's effect, made the winding have ceramic fiber material on the graphite feed cylinder, drive the rotation of material axle through rotary mechanism, the material axle can make the ceramic fiber material on graphite feed cylinder surface and the gaseous reaction of letting in the graphite stove more even at rotatory in-process, is heated simultaneously also more evenly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a graphite furnace charging apparatus;
FIG. 2 is a top view of a graphite furnace charging apparatus;
FIG. 3 is a left side view of a graphite furnace charging assembly;
FIG. 4 is a left side view of another state of a graphite furnace charging apparatus;
FIG. 5 is a top view of the push frame;
fig. 6 is a schematic structural diagram of the matching of the pushing frame and the graphite seat frame.
In the figure:
1. a support base; 2. a first guide rail; 3. a second guide rail; 4. a third guide rail; 5. a roller frame; 6. a graphite seat frame; 8. A graphite charging barrel; 9. a hook member; 10. a first cylinder; 11. a second air cylinder; 12. a third air cylinder; 13. a stepping motor; 14. a pushing frame; 15. a material rack; 16. a flange plate; 17. a screw assembly; 18. a screw rod; 19. a connecting member; 20. adjusting a hand wheel; 21. a rack plate; 22. a push block; 23. connecting sleeves; 24. a wedge block; 25. A groove; 26. a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are simply used for convenience of description of the present invention, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
According to an embodiment of the present invention, a graphite furnace feeding device is provided.
Referring to fig. 1 to 6, the feeding device of the graphite furnace according to the embodiment of the utility model comprises a support base 1, wherein a first guide rail 2 is installed on the surface of the support base 1 along the length direction of the support base, a second guide rail 3 and a third guide rail 4 are installed on two sides of the first guide rail 2 through the support base 1, a rack plate 21 is arranged on one side of the first guide rail 2 along the length direction of the first guide rail through a fixed frame, a pushing frame 14 is installed on the first guide rail 2 in a sliding manner, the top of the pushing frame 14 is open, a pushing block 22 is arranged at the right end of the pushing frame 14, a stepping motor 13 is installed at the left end of the pushing frame 14, and the output end of the stepping motor 13 is meshed with the rack plate 21 through a gear.
The roller frame 5 is slidably mounted on the second guide rail 3 and the third guide rail 4, the graphite seat frame 6 is placed through the roller frame 5, the material rack 15 is placed on the graphite seat frame 6 in a separable mode, an air cylinder assembly for separating the material rack 15 from the graphite seat frame 6 is mounted on the side face of the support seat 1, and the graphite material barrels 8 are sequentially placed on the material rack 15 through the air cylinder assembly.
The right end of the pushing frame 14 is positioned on the right side of the pushing block 22, and a wedge block 24 is installed through a pin shaft, and the wedge block 24 can be in clamping fit with a groove 25 at the bottom of the left end of the graphite seat frame 6.
And the right end of the bracket base 1 is provided with a screw rod assembly 17 matched with the roller frame 5.
Through the technical scheme: slidable mounting has push frame 14 on guide rail 2 to have rack plate 21 along its length direction through mount surface mounting in one side of guide rail 2, rack plate 21 and guide rail 2 parallel arrangement, the gear and the rack plate 21 meshing transmission that set up through the step motor 13 output of push frame 14 left end realize that the push frame 14 of slidable mounting slides along guide rail 2 on guide rail 2.
Two sides of the bracket base 1 are provided with a second guide rail 3 and a third guide rail 4, the second guide rail 3 and the third guide rail 4 are respectively provided with a roller frame 5 in a sliding manner, and a graphite seat frame 6 is placed through the roller frames 5, so that the graphite seat frame 6 can slide through the roller frames 5.
The graphite support frame 6 is provided with a graphite charging barrel 8 penetrating through the material frame 15 through a material shaft 15 through an air cylinder assembly, the right end of the support frame 1 is provided with a screw rod assembly 17 matched with the roller frame 5, the roller frame 5 is conveyed into the graphite furnace through the screw rod assembly 17, and the flange plate 16 at the end part of the material shaft 15 is matched with a rotating mechanism at the other end of the graphite furnace to complete butt joint of the material shaft 15.
The ceramic fiber material is wound on the graphite charging barrel 8 to be used as a ceramic fiber surface coating, the rotating mechanism drives the material shaft 15 to rotate, the material shaft 15 can enable the ceramic fiber material on the surface of the graphite charging barrel 8 and the gas introduced into the graphite furnace to react more uniformly in the rotating process, and the gas is heated more uniformly.
Further, the air cylinder assembly comprises a first air cylinder 10, a second air cylinder 11 and a third air cylinder 12 which are sequentially arranged along the feeding direction, the first air cylinder 10, the second air cylinder 11 and the third air cylinder 12 are installed at the top end of the support on the side face of the support base 1 through bolts, and the output ends of the first air cylinder 10, the second air cylinder 11 and the third air cylinder 12 are movably connected with a hook component 9 matched with the material rack 15.
Through the technical scheme: through the cylinder 10, the cylinder two 11 and the cylinder three 12 that set up, establish with the hook part 9 of work or material rest 15 hook through its output end swing joint, promote work or material rest 15 to the top of graphite seat frame 6 to wear to establish graphite feed cylinder 8 in proper order on work or material rest 15, accomplish the installation back of graphite feed cylinder 8, twine ceramic fiber material on a plurality of graphite rods on the graphite feed cylinder 8.
Further, the screw rod assembly 17 comprises a screw rod 18 installed at the front end of the support base 1, an adjusting hand wheel 20 is arranged at the left end of the screw rod 18, and a connecting part 19 matched with the roller frame 5 is arranged on the screw rod 18.
Through the technical scheme: through the arranged screw rod assembly 17, the adjusting hand wheel 20 is manually rotated to drive the screw rod 18 to rotate, and the connecting part 19 arranged on the screw rod 18 is driven to move along the length direction of the screw rod 18, so that the roller frame 5 is driven by the connecting part 19 to move towards the feeding end and is conveyed into the graphite furnace.
Furthermore, the connecting component 19 comprises a connecting sleeve 23 which is matched with the screw rod 18 through internal threads, and connecting plates 26 which are connected with the bottom of the roller frame 5 are arranged on two sides of the connecting sleeve 23.
Through the technical scheme: the connecting sleeve 23 is matched with the screw rod 18 through internal threads, connecting plates 26 are connected to two sides of the connecting sleeve 23, and the connecting plates 26 are connected with the bottom of the roller frame 5.
The method for feeding the graphite seat frame into the graphite furnace comprises the following steps:
the method comprises the following steps: controlling the second cylinder 11 and the third cylinder 12, hooking a material shaft 15 on the graphite seat frame 6 to the upper part of the graphite seat frame 6 through a hook part 9, and penetrating the first graphite material cylinder 8 on the material frame 15;
step two: controlling the first air cylinder 10 to enable the hook part 9 on the first air cylinder 10 to be hooked with the material shaft 15, enabling the hook part 9 on the second air cylinder 11 to be separated from the material rack 15, moving the first graphite material barrel 8 to the right end of the material rack 15, and fixing the first graphite material barrel with the material rack 15 through a bolt arranged on the first graphite material barrel;
step three: hooking the hook part 9 on the second cylinder with the material shaft 15, separating the hook part 9 of the first cylinder 10 from the material shaft 15, penetrating the second graphite material cylinder 8 onto the material shaft 15, repeating the step of the second step until the plurality of graphite material cylinders 8 are penetrated onto the material rest 15, and descending the material shaft 15 onto the graphite seat frame 6 to separate the hook parts 9 on the first cylinder 10 and the third cylinder 12 from the material rest 15;
step four: the adjusting hand wheel 20 is rotated to enable the connecting sleeve 23 to do linear motion along the length direction of the screw rod 18, and the connecting plates 26 on the two sides of the connecting sleeve 23 drive the roller frame 5 to convey into the graphite furnace towards the feeding hole of the graphite furnace until the roller frame 5 is butted with the slide way in the graphite furnace;
step five: starting the stepping motor 13, and engaging a gear connected with the output end of the stepping motor 13 with the rack plate 21 to enable the pushing frame 14 to move towards the graphite furnace along the first guide rail 2 until a pushing block 22 at the front end of the pushing frame 14 pushes the graphite seat frame 6, so that the graphite seat frame 6 moves to a preset position along the slide way;
step six: after the reaction is finished, the adjusting hand wheel 20 is rotated again to enable the roller frame 5 to be in butt joint with the slide ways in the graphite furnace, the stepping motor 13 is started, the pushing frame 14 is conveyed into the graphite furnace, the wedge-shaped block 24 at the front end of the pushing frame 14 is in clamping joint with the groove 25 at the bottom of the graphite seat frame 6, and the graphite seat frame 6 is pulled out of the graphite furnace.
Further, in step four, the wedge block 24 at the end of the pushing frame 14 is adjusted to be horizontal by the pin.
Further, in the sixth step, the wedge-shaped block 24 at the end of the pushing frame 14 is in a vertical state under the action of self gravity, so that the top of the wedge-shaped block 24 extends to the upper part of the pushing frame 14.
In specific implementation, the step of inserting the graphite material cylinder 8 into the material rack 15 sequentially comprises controlling the second air cylinder 11 and the third air cylinder 12, hooking the material shaft 15 on the graphite seat frame 6 to the upper part of the graphite seat frame 6 through the hook part 9, and inserting the first graphite material cylinder 8 into the left end of the material rack 15; controlling the first cylinder 10 to enable the hook part 9 on the first cylinder 10 to be hooked with the material shaft 15, enabling the hook part 9 on the second cylinder 11 to be separated from the material rack 15, moving the first graphite material barrel 8 to the right end of the material rack 15, and fixing the first graphite material barrel with the material rack 15 through a bolt arranged on the first graphite material barrel; and then hooking the hook part 9 on the second cylinder 11 with the material shaft 15, separating the hook part 9 of the first cylinder 10 from the material shaft 15, inserting the second graphite material cylinder 8 to the left end of the material shaft 15, controlling the first cylinder 10 to hook the hook part 9 on the first cylinder 10 with the material shaft 15, separating the hook part 9 on the second cylinder 11 from the material rack 15, moving the second graphite material cylinder 8 to the right end of the material rack 15, fixing the second graphite material cylinder 8 with the material rack 15 through a bolt arranged on the second graphite material cylinder, repeating the steps until the plurality of graphite material cylinders 8 are inserted into the material rack 15, finally separating the hook parts 9 on the first cylinder 10 and the third cylinder 12 from the material rack 15, completing the insertion of the plurality of graphite material cylinders 8, and winding the ceramic fiber material on the plurality of graphite rods on the graphite material cylinders 8.
Then, the connecting sleeve 23 is made to make linear motion along the length direction of the screw rod 18 by manually adjusting the adjusting hand wheel 20, and the connecting plates 26 on the two sides of the connecting sleeve 23 drive the roller frame 5 to be conveyed into the graphite furnace towards the feeding port of the graphite furnace until the roller frame 5 is butted with the slide way in the graphite furnace.
And finally, starting the stepping motor 13, and enabling the pushing frame 14 to move towards the feeding direction of the graphite furnace along the guide rail I2 through the meshing transmission of a gear connected with the output end of the stepping motor 13 and the rack plate 21 until a pushing block 22 at the front end of the pushing frame 14 is contacted with the graphite seat frame 6 and pushes the graphite seat frame 6, so that the graphite seat frame 6 moves to a preset position along a slide way until a flange 16 arranged at the right end of the material frame 15 is matched with a rotating mechanism arranged at the other end of the graphite furnace, and the ceramic fiber materials on the surfaces of the plurality of graphite material cylinders 8 arranged on the material frame 15 and the gas introduced into the graphite furnace are heated in a reaction manner.
After ceramic fiber materials wound on a graphite charging barrel 8 in a graphite furnace are heated, the roller frame 5 is abutted to a slide way in the graphite furnace through manual adjustment of the adjusting hand wheel 20, the stepping motor 13 is started again, the pushing frame 14 slides into the graphite furnace cavity along the guide rail I2, the wedge block 24 movably mounted at the front end of the pushing frame 14 is kept in a vertical state under the action of self gravity, when the pushing frame 14 is in sliding contact with the bottom of the graphite seat frame 6, the wedge block 24 rotates until the wedge block 24 enters the groove 25 formed in the bottom of the graphite seat frame 6 and rotates to the vertical state under the action of self gravity, the wedge block 24 is abutted to the inner side wall of the groove 25, and the pushing frame 14 moves towards the feeding end of the graphite furnace through the stepping motor 13 until the graphite seat frame 6 is completely pulled out of the graphite furnace.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (4)
1. The feeding device of the graphite furnace is characterized by comprising a support base (1), wherein a first guide rail (2) is installed on the surface of the support base (1) along the length direction of the support base, a second guide rail (3) and a third guide rail (4) are installed on two sides of the first guide rail (2) through the support base (1), a rack plate (21) is arranged on one side of the first guide rail (2) along the length direction of the first guide rail through a fixing frame, a pushing frame (14) is installed on the first guide rail (2) in a sliding mode, the top of the pushing frame (14) is opened, a pushing block (22) is arranged at the right end of the pushing frame (14), a stepping motor (13) is installed at the left end of the pushing frame (14), and the output end of the stepping motor (13) is meshed with the rack plate (21) through a gear;
the roller frame (5) is slidably mounted on the second guide rail (3) and the third guide rail (4), a graphite seat frame (6) is placed through the roller frame (5), the material rack (15) is placed on the graphite seat frame (6) in a separable mode, an air cylinder assembly for separating the material rack (15) from the graphite seat frame (6) is mounted on the side face of the support seat (1), and a plurality of graphite charging barrels (8) are sequentially placed on the material rack (15) through the air cylinder assembly;
a wedge-shaped block (24) is arranged at the right side of the push block (22) at the right end of the push frame (14) through a pin shaft, and the wedge-shaped block (24) can be clamped and matched with a groove (25) at the bottom of the left end of the graphite seat frame (6);
the right end of the bracket base (1) is provided with a screw rod component (17) matched with the roller frame (5).
2. The feeding device of the graphite furnace according to claim 1, characterized in that the cylinder assembly comprises a first cylinder (10), a second cylinder (11) and a third cylinder (12) which are sequentially arranged along the feeding direction, the first cylinder (10), the second cylinder (11) and the third cylinder (12) are installed at the top end of a support on the side surface of the support base (1) through bolts, and the output ends of the first cylinder (10), the second cylinder (11) and the third cylinder (12) are movably connected with a hook component (9) matched with the material rest (15).
3. The feeding device of the graphite furnace according to claim 1, characterized in that the screw rod assembly (17) comprises a screw rod (18) arranged at the front end of the bracket base (1), the left end of the screw rod (18) is provided with an adjusting hand wheel (20), and the screw rod (18) is provided with a connecting part (19) matched with the roller frame (5).
4. The feeding device of the graphite furnace as claimed in claim 3, wherein the connecting part (19) comprises a connecting sleeve (23) which is matched with the internal thread of the screw rod (18), and connecting plates (26) which are connected with the bottom of the roller frame (5) are arranged on two sides of the connecting sleeve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120396982.6U CN215438340U (en) | 2021-02-23 | 2021-02-23 | Graphite furnace feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120396982.6U CN215438340U (en) | 2021-02-23 | 2021-02-23 | Graphite furnace feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215438340U true CN215438340U (en) | 2022-01-07 |
Family
ID=79702293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120396982.6U Active CN215438340U (en) | 2021-02-23 | 2021-02-23 | Graphite furnace feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215438340U (en) |
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2021
- 2021-02-23 CN CN202120396982.6U patent/CN215438340U/en active Active
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