PEEK (polyether-ether-ketone) material auxiliary rod for flattening raw materials in crucible at one time
By using polyetheretherketone (PEEK) material as an auxiliary rod, the problem of time-consuming and labor-intensive material landfilling during silicon carbide crystal growth was solved, enabling rapid and precise material leveling, reducing time and labor costs, and improving the flatness of the finished product surface.
Patent Information
- Application Number
- CN202520511988.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing technologies are time-consuming and labor-intensive when filling silicon carbide crystal growth raw materials, cannot guarantee the flatness of the finished product surface, and require additional time for flatness optimization.
The auxiliary rod, made of polyetheretherketone (PEEK), includes the main body of the auxiliary rod, the fixed foot connecting bearing, the fixing frame, and the leveling component. Through the threaded connection of the leveling head and the weighting component, it can quickly and accurately level the raw materials.
It reduces time and labor costs, improves the flatness of finished product surfaces, simplifies the operation process, and reduces reliance on experienced personnel.
Smart Images

Figure CN223852853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to silicon carbide crystal growth technical field, concretely is a kind of polyether ether ketone material auxiliary rod for disposable leveling crucible internal raw material. BACKGROUND
[0002] The filling method of silicon carbide crystal growth raw material: after weighing fixed number of raw material powder is filled into crucible, it is flattened using 1kg weight, then two steel rulers are placed crosswise, and the distance from the raw material surface in the crucible to the top of the crucible and the surface of the steel ruler is measured; from left to right, five values are measured according to the contact points and center points of the steel ruler and the crucible wall (the difference between the five values should not exceed ±3mm); for uneven surface, the raw material needs to be re-compacted and flattened using the weight; however, the filling process is time-consuming and labor-intensive, and the flatness of the finished product cannot be guaranteed; using the weight to fill requires a long time to make the surface tend to be flat, and if optimization of flatness is needed, a large amount of time needs to be added to this step. SUMMARY
[0003] To solve the problems in the background art, the utility model aims to provide a polyether ether ketone material auxiliary rod for disposable leveling crucible internal raw material, which has the advantages of reducing time cost and labor cost, and solving the problems of time-consuming and labor-intensive filling process, long time required for using the weight to fill to make the surface tend to be flat, and large amount of time needed to add to this step for optimization of flatness.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a polyether ether ketone material auxiliary rod for disposable leveling crucible internal raw material, comprising an auxiliary rod main body and a crucible, a fixed foot connecting bearing is movably mounted on the surface of the auxiliary rod main body, a fixed frame is movably connected to the auxiliary rod main body through the fixed foot connecting bearing, the fixed frame is fixedly installed on the outside of the crucible through fastening screws, and a leveling assembly is fixedly installed at the bottom of the auxiliary rod main body.
[0005] As preferred in the utility model, the leveling assembly comprises a leveling head, the leveling head is threadedly installed at the bottom of the auxiliary rod main body, and a weight component is fixedly installed at the top of the leveling head.
[0006] As preferred in the utility model, the weight component comprises a counterweight, and a plurality of counterweights are arranged at equal distances.
[0007] As preferred in the utility model, the auxiliary rod main body is 120cm long and 1cm in diameter, and the material of the auxiliary rod main body is a peek column.
[0008] Compared with the prior art, the utility model has the following advantages:
[0009] 1. The utility model discloses a through setting up the pre-preparation work of silicon carbide growth needs to fill the raw material in the baking crucible according to the proportion, this process contains the treatment that has: a crucible, an electronic scale, 3kg raw material, raw material spoon, vernier caliper and the PEEK auxiliary rod needed for compacting raw material, place the bare crucible on the electronic scale and record the weight, then take down, and then fill the 2kg or so raw material into the bottom of the crucible with the raw material spoon, when filling, need to keep the speed of pouring slow to prevent the raw material from raising dust due to too fast speed, the electronic scale does not clear zero, then place the crucible filled with 2kg or so raw material on the electronic scale, and then pour the raw material powder evenly with the raw material spoon, and supplement the weight to 3kg, after the weight of raw material reaches the standard, move the crucible filled with raw material to the operation table, fix the auxiliary rod foot with peek screw and make it completely adhere to the crucible wall, then slowly lower the auxiliary rod, and then load the counterweight in the counterweight hole, at this time, through the slow and stable rotation of the auxiliary rod, the raw material is leveled by the rotating and flattening of the filling head in the crucible, then disassemble the peek screw and take out the auxiliary leveling rod, and check the distance between the raw material surface and the top of the crucible by using the vernier caliper cross measurement method, solve the problems that the filling process consumes time and labor, and the flatness of the finished product cannot be guaranteed, the filling with the weight requires a long time to make the surface tend to be flat, and a large amount of time needs to be added in this step for optimization of the flatness, achieve the effects of reducing time cost and labor cost.
[0010] 2. The utility model discloses a through setting up the filling flat subassembly, makes the filling head pass through the bottom of auxiliary rod main part through the thread installation, this design is convenient for the disassembly and replacement of filling head, and also can adjust the position of filling head according to the need, to realize the accurate leveling of the raw material in the crucible. In addition, the threaded connection is simple and reliable, can ensure that the filling head does not loosen or fall off in the using process.
[0011] 3. The utility model discloses a through setting up the weight component, makes the counterweight help to keep the balance of auxiliary rod, prevents the auxiliary rod from inclining or shaking when leveling the raw material due to unstable gravity center, and the counterweight that is distributed equidistance can also disperse gravity, improves the stability and durability of auxiliary rod. ACCURACY OF DRAWINGS
[0012] Figure 1 It is the whole three-dimensional structure schematic diagram of the first visual angle of the utility model;
[0013] Figure 2 It is the whole structure schematic diagram of the utility model from the top;
[0014] Figure 3 It is the whole structure schematic diagram of the utility model from the section.
[0015] In the figure: 1. Main body of auxiliary rod; 2. Crucible; 3. Fixed foot connecting bearing; 4. Fixed frame; 5. Leveling component; 501. Leveling head; 502. Weighting component; 502a. Counterweight block. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] like Figures 1 to 3 As shown, the present invention provides a polyetheretherketone material auxiliary rod for one-time leveling of raw materials inside a crucible, including an auxiliary rod body 1 and a crucible 2. A fixed foot connecting bearing 3 is movably mounted on the surface of the auxiliary rod body 1. A fixed frame 4 is movably connected to the auxiliary rod body 1 through the fixed foot connecting bearing 3. The outer side of the fixed frame 4 is fixedly installed to the crucible 2 by fastening screws. A leveling component 5 is fixedly installed at the bottom of the auxiliary rod body 1.
[0018] refer to Figure 2 The leveling component 5 includes a leveling head 501, which is threaded onto the bottom of the auxiliary rod body 1, and a weighting component 502 is fixedly installed on the top of the leveling head 501.
[0019] As a technical optimization of this utility model, by setting a leveling component 5, the leveling head 501 is installed at the bottom of the auxiliary rod body 1 by a thread. This design facilitates the disassembly and replacement of the leveling head 501, and also allows the position of the leveling head 501 to be adjusted as needed to achieve precise leveling of the raw materials inside the crucible 2. In addition, the threaded connection method is simple and reliable, ensuring that the leveling head 501 will not loosen or fall off during use.
[0020] refer to Figure 2 The weighting component 502 includes a counterweight 502a, and several counterweights 502a are provided and are distributed at equal intervals.
[0021] As a technical optimization of this utility model, by setting up a weighting component 502, the counterweight 502a helps to maintain the balance of the auxiliary rod and prevents the auxiliary rod from tilting or swaying due to an unstable center of gravity when laying raw materials. The equidistantly distributed counterweights 502a can also disperse gravity and improve the stability and durability of the auxiliary rod.
[0022] refer to Figure 1 The auxiliary rod body 1 has a vertical length of 120cm and a diameter of 1cm, and the material of the auxiliary rod body 1 is PEEK column.
[0023] As a technical optimization scheme of the utility model, the auxiliary rod body 1 is vertically 120 cm long and has a diameter of 1 cm, and such a size design makes the auxiliary rod have sufficient length to adapt to crucibles 2 of different depths and also maintain a moderate diameter to facilitate operation and control, and meanwhile, the peek column is used as the material of the auxiliary rod body 1, the peek has good high-temperature resistance, corrosion resistance and mechanical properties, and can ensure that the auxiliary rod is used stably for a long time under high temperature and harsh environment.
[0024] The working principle and use process of the utility model: in use, first silicon carbide growth in the pre-preparation work needs to lay the raw material in the baking crucible 2 in the process contains the treatment has: a crucible 2;Electronic scale one;Raw material 3kg powder;Raw material spoon;Vernier caliper and the PEEK auxiliary rod required for compacting raw material, then put the bare crucible 2 on the electronic scale and record the weight, then take down and then fill the 2kg or so raw material into the bottom of the crucible 2 with the raw material spoon, when filling, the speed needs to be kept slow to prevent the speed from being too fast to cause the raw material to raise dust, the electronic scale is not zero, then put the crucible 2 filled with 2kg or so raw material on the electronic scale, and then pour the raw material powder evenly with the raw material spoon, and supplement the weight to 3kg, after the raw material weight reaches the standard, move the crucible 2 filled with raw material to the operation table, use the peek screw to make the auxiliary rod main body 1 part: the main part is a PEEK column with a vertical length of 120cm and a diameter of 1cm from the top end to the connecting part, and the lower end is provided with a threaded structure connected with the plug pin of the filling flat head 501, the crucible 2 wall fixing part: the main purpose of this part is to increase the stability and levelness of the auxiliary rod and the crucible 2 wall, which has three fixing feet, so that the auxiliary rod can reduce the leveling time when in use, and the structure is three fixing feet from the top view, and a screw hole is opened at the top end of each fixing foot, which needs to be fixed with the crucible 2 wall in the subsequent process, and only needs to be slightly tightened with the polyether ether ketone material screw to make it fit the wall. In addition, the connecting part of the auxiliary rod main body 1 uses a bearing structure, and the filling flat head 501: the main body is an isosceles trapezoidal body structure with a length of 18.8cm, and the arc cutting surface is 30° at both ends close to the wall of the crucible 2, so that it tightly fits the surface of the crucible 2. Four weight blocks 502a grooves are dug on the surface of the filling flat head 501 at an average distance, and then a screw hole part connected with the auxiliary rod main body 1 part is tapped at the middle position, and the weight block 502a: its function is to increase the stability of the filling flat head 501 by increasing the weight, so as to reduce the filling time and improve the flatness of the raw material after filling.
[0025] In summary: this one is for disposable leveling the inside of the raw material of the crucible PEEK material auxiliary rod, by setting the growth of silicon carbide in the front of the preparation work need to raw material according to the proportion of horizontal paving in the baking crucible 2 this process contains the use of the treatment has: a crucible 2, an electronic scale, 3kg powder, a raw material spoon, a vernier caliper and the PEEK auxiliary rod needed to compact the raw material, the naked crucible 2 is placed on the electronic scale to record the weight, then it is taken down, then 2kg or so of raw material is first filled into the bottom of the crucible 2 with the raw material spoon, and the speed of pouring needs to be kept slow to prevent the raw material from being raised and dusted due to too fast speed, the electronic scale is not zeroed, then the crucible 2 filled with 2kg or so of raw material is placed on the electronic scale, and the raw material powder is poured evenly with the raw material spoon to make up to 3kg, after the weight of the raw material reaches the standard, the crucible 2 filled with the raw material is moved to the operation table, the auxiliary rod fixing foot is used to use the peek screw to top the crucible wall to make it completely fit the crucible wall, then the auxiliary rod is slowly lowered, then the counterweight 502a is loaded in the counterweight 502a hole, at this time, the auxiliary rod is slowly and smoothly rotated to make the filling head 501 pass through the crucible 2 by rotating and flattening the raw material, then the peek screw is disassembled, the auxiliary leveling rod is taken out, the distance between the raw material surface and the top of the crucible 2 is checked by using the vernier caliper cross measurement method, the problem of long time and labor in the filling process and the inability to guarantee the flatness of the finished surface is solved, the problem of long time required to make the surface tend to be flat after using the weight to fill, and a large amount of time is required to optimize the flatness in the subsequent step.
[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0027] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A polyether ether ketone material auxiliary rod for one-time flattening of raw material inside a crucible, comprising an auxiliary rod main body (1) and a crucible (2), characterized in that: The surface of the auxiliary rod body (1) is movably installed with a fixed foot connecting bearing (3), the auxiliary rod body (1) is movably connected with a fixed frame (4) through the fixed foot connecting bearing (3), the outer side of the fixed frame (4) is fixedly installed with a crucible (2) through fastening screws, and the bottom of the auxiliary rod body (1) is fixedly installed with a filling assembly (5).
2. A polyether ether ketone material support rod for use in the one-time flattening of the interior of a crucible of raw material, according to claim 1, characterized by: The filling assembly (5) comprises a filling head (501), the filling head (501) is screw-installed at the bottom of the auxiliary rod body (1), and the top of the filling head (501) is fixedly installed with a heavy component (502).
3. A polyether ether ketone material support rod for use in the one-time flattening of the interior of a crucible of raw material, according to claim 2, characterized by: The heavy component (502) comprises counterweight blocks (502a), and the counterweight blocks (502a) are arranged at equal intervals.
4. A polyether ether ketone material support rod for use in the one-time flattening of the interior of a crucible of raw material, according to claim 1, characterized by: The auxiliary rod body (1) is 120 cm long and 1 cm in diameter, and the material of the auxiliary rod body (1) is a peek column.