Monocrystalline silicon round rod weight detection device

Abstract

The utility model relates to the technical field of monocrystalline silicon weighing, and discloses a monocrystalline silicon round rod weight detection device comprising a pedestal; a weighing platform; the two limiting structures are symmetrically arranged at the top of the weighing table and used for limiting silicon rods, each limiting structure comprises side plates and carrier rollers, the side plates are movably connected with the weighing table, screw rods are arranged on the wall faces of the weighing table to drive the two side plates to be close to each other, and the wall faces, close to each other, of the two side plates are rotationally connected with the multiple same carrier rollers. The two side plates are driven by the lead screw to get close to each other, the distance between the carrier rollers on the wall faces of the two side plates is adjusted, the limiting effect on the silicon rods can be guaranteed, meanwhile, the silicon rods can be adapted to a certain range, rubber sleeves on the surfaces of the carrier rollers can protect the surfaces of the silicon rods, and when the silicon rods move along the side plates, the silicon rods can be prevented from being damaged by the inclined carrier rollers. And the carrier roller is pushed to rotate, then the rotating carrier roller can clean the surface of the silicon rod, and the limiting and cleaning dual effects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of single crystal silicon weighing, in particular to a single crystal silicon round rod weight detection device. Background Art

[0002] With the rapid development of the semiconductor industry, the production of monocrystalline silicon has also developed rapidly. After the monocrystalline silicon ingot is pulled, the basic information of the ingot needs to be summarized and recorded, including the quality of the silicon ingot.

[0003] The prior art discloses a single crystal silicon ingot measurement system and method (publication number: CN117490817A), which relates to the field of ingot measurement technology. The ingot is placed on a support groove, the total weight of the ingot is weighed, and the collected weight of the ingot is transmitted to the calculation unit; after obtaining the weight of the ingot, the calculation unit transmits a signal to the controller, and the controller controls the first drive motor to rotate, so that the guide rail rotates to drive the measuring arm to move along the length direction of the support groove, so that the infrared scanner collects the diameter and length of the ingot.

[0004] The existing technology mainly limits the columnar silicon rod by setting a support groove on the weighing table. A number of spheres are installed in the support groove to support the displacement of the silicon rod. The radius of the silicon rod needs to be smaller than the opening of the support groove, otherwise the silicon rod cannot be tangent to the sphere to form a support limit. This puts forward requirements on the size of the silicon rod, which has certain limitations during use and has room for optimization.

[0005] To this end, we propose a single crystal silicon round bar weight detection device. Utility Model Content

[0006] The utility model mainly solves the above-mentioned technical problem of strong limitation on silicon rod size and narrow application range, and provides a single crystal silicon round rod weight detection device.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme, a single crystal silicon round bar weight detection device, comprising:

[0008] The base forms a shell structure with a cavity, a weighing assembly and a control board are installed in the cavity of the base, the weighing assembly is connected to the control board by electrical signals, and the control board is connected to a display screen;

[0009] A weighing platform, slidably connected to the top of the base and used to hold the silicon rods;

[0010] Two sets of limiting structures are symmetrically arranged on the top of the weighing platform and are used to limit the silicon rods. The limiting structures include side plates and rollers. The side plates are movably connected to the weighing platform. The wall of the weighing platform is provided with a screw to drive the two side plates to approach each other. The walls of the two side plates that are close to each other are rotatably connected to a number of identical rollers. The rollers on the walls of the two side plates extend in opposite directions. The silicon rods can be clamped and fixed by multiple rollers and moved linearly along the side plates. The silicon rods can be rotated and pushed by the rollers. A cleaning component for cleaning the silicon rods is also provided on the top of the weighing platform.

[0011] As a preferred embodiment of the utility model, the side panel has a horizontal extension section and an inclined guide section, the guide section and the extension section together form a rod structure with an L-shaped transverse cross-section, the top of the side panel extends horizontally to form a flange, and the roller is rotatably connected to the bottom of the flange of the side panel.

[0012] As a preferred embodiment of the utility model, the limiting structure also includes a bottom block, at least two bottom blocks are arranged at the bottom of each side plate, the wall surface of the base is provided with a slide groove, the bottom block is slidably connected to the slide groove, and the screw rod is threadedly connected to the bottom block.

[0013] As a preferred embodiment of the utility model, the bottom block is fixedly arranged at the bottom of the side panel, and the bottom block and the slide groove are used in cooperation with each other. A thread sleeve is fixedly installed on the wall surface of one of the bottom blocks, and the threaded rod is connected to the thread sleeve. The bottom blocks at symmetrical positions of the two side panels are provided with the same thread sleeve, and the threaded rod is connected to the two thread sleeves at the same time.

[0014] As a preferred embodiment of the utility model, the roller forms a cylindrical structure, the circumferential surface of the roller is sleeved with a rubber sleeve, the upper end surface of the roller is rotatably connected to the side plate, and the lower end of the roller extends obliquely toward one side of the side plate.

[0015] As a preferred embodiment of the utility model, the cleaning assembly includes a collecting body and a sliding cavity. The sliding cavity is opened on the top of the base. The collecting body is located in the sliding cavity and elastically connected to the base. A rubber retaining ring is fixedly installed on the top of the collecting body.

[0016] As a preferred embodiment of the utility model, the collecting body forms a box structure with an open top, and an elastic member is provided on the bottom surface of the collecting body. The elastic member includes a spring but is not limited to a spring. The collecting body is adapted to the sliding cavity and is slidably connected to the sliding cavity. The rubber retaining ring forms a U-shaped structure, and an arc-shaped notch is provided on the top of the rubber retaining ring. The retaining ring can resist the circumferential surface of the silicon rod and scrape and clean the rotating silicon rod.

[0017] As a preferred embodiment of the present invention, a bottom plate is provided in the cavity of the collector, a pull rod is fixedly installed on the top of the bottom plate, the bottom plate is adapted to the collector cavity and is placed on the bottom surface of the collector to receive the cleaned impurities. Beneficial Effects

[0018] The utility model provides a single crystal silicon round bar weight detection device, which has the following beneficial effects:

[0019] 1. This single crystal silicon round rod weight detection device, by setting two side plates, driving the two side plates to approach each other through a screw rod, and adjusting the distance between the rollers on the two side plate walls, can ensure the limiting effect on the silicon rod, and can adapt to the silicon rod within a certain range, and the rubber sleeve on the surface of the roller can protect the surface of the silicon rod, the inclined roller, when the silicon rod moves along the side plate, the silicon rod will move relative to the roller and give the roller a lateral thrust, through the inclined installation method, the lateral thrust will generate a longitudinal component force, so that the roller is pushed to rotate, and then the rotating roller can clean the surface of the silicon rod, which has the dual effects of limiting and cleaning.

[0020] 2. This single crystal silicon round rod weight detection device rotates the lead screw, and the lead screw moves the thread sleeve to drive the bottom block to slide in the corresponding slide groove, thereby adjusting the distance between the two side plates. It has the characteristics of simple adjustment and easy use.

[0021] 3. This single crystal silicon round rod weight detection device uses a spring to push the collecting body to slide up in the sliding cavity, and then the retaining ring on the top of the collecting body contacts the silicon rod, and the silicon rod is cleaned during the linear displacement of the silicon rod. The silicon rod is pushed to rotate in cooperation with the roller. At the same time, the collecting body can move up and contact the silicon rod, thereby improving the cleaning effect, and can collect and store the cleaned impurities. By setting a detachable bottom plate and lifting the pull rod, the bottom plate is detached from the cavity of the collecting body, and the impurities that fall on the top of the bottom plate are lifted out of the collecting body together, thereby realizing the cleaning of impurities in the collecting body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0023] Figure 2 This is the second overall stereogram of the utility model;

[0024] Figure 3 It is a three-dimensional diagram of the side plate and bottom block of the utility model;

[0025] Figure 4 This is a three-dimensional diagram of the weighing platform of the utility model;

[0026] Figure 5 A three-dimensional diagram is collected for this utility model.

[0027] Legend: 10, base; 11, weighing platform; 20, side plate; 21, roller; 22, bottom block; 30, collecting body; 31, sliding chamber. DETAILED DESCRIPTION

[0028] A single crystal silicon round bar weight detection device, such as Figure 1 and Figure 2 As shown, including:

[0029] The base 10 forms a shell structure with a cavity, a weighing assembly and a control board are installed in the cavity of the base 10, the weighing assembly is connected to the control board via an electrical signal, and the control board is connected to a display screen;

[0030] The weighing platform 11 is slidably connected to the top of the base 10 and is used to support the silicon rod. Specifically, the weighing component can be a pressure sensor. The weighing platform 11 presses down the pressure sensor, and the pressure is converted into an electrical signal through the sensor. In conjunction with the control board, the electrical signal is converted into a corresponding numerical value, i.e., a weight unit. The specific control method has been disclosed in detail in the prior art (publication number: ), which will not be repeated here.

[0031] like Figure 2 , Figure 3 and Figure 4 As shown, two groups of limiting structures are symmetrically arranged on the top of the weighing platform 11 and are used to limit the silicon rods. The limiting structures include side plates 20 and rollers 21. The side plates 20 are movably connected to the weighing platform 11. The wall of the weighing platform 11 is provided with a screw to drive the two side plates 20 to approach each other. The walls of the two side plates 20 that are close to each other are rotatably connected to a number of identical rollers 21. The rollers 21 on the walls of the two side plates 20 extend in the opposite direction. The silicon rod can be clamped and fixed by a plurality of rollers 21 and linearly moved along the side plates 20. The silicon rod can be rotatably pushed by the rollers 21. A cleaning component for cleaning the silicon rod is also provided on the top of the weighing platform 11. The side plate 20 has a horizontal extension section and an inclined guide section. The guide section and the extension section together form a rod structure with an L-shaped transverse cross section. The top of the side plate 20 extends horizontally to form a flange. The rollers 21 are rotatably connected to the bottom of the flange of the side plate 20. The rollers 2 1 forms a cylindrical structure, and a rubber sleeve is provided on the circumferential surface of the roller 21. The upper end surface of the roller 21 is rotatably connected to the side plate 20, and the lower end of the roller 21 extends obliquely toward one side of the side plate 20. In this scheme, by setting two side plates 20, the two side plates 20 are driven to approach each other by a screw rod, and the distance between the rollers 21 on the wall of the two side plates 20 is adjusted, so that the limiting effect on the silicon rod can be guaranteed, and the silicon rod can be adapted to a certain range. The rubber sleeve on the surface of the roller 21 can protect the surface of the silicon rod. The inclined roller 21, when the silicon rod moves along the side plate 20, the silicon rod will move relative to the roller 21 and give the roller 21 a lateral thrust. Through the inclined installation method, the lateral thrust will generate a longitudinal component force, so that the roller 21 is pushed to rotate, and then the rotating roller 21 can clean the surface of the silicon rod, which has the dual effects of limiting and cleaning.

[0032] like Figure 2 , Figure 3 and Figure 4As shown, the limiting structure also includes a bottom block 22, at least two bottom blocks 22 are arranged at the bottom of each side panel 20, the wall surface of the base 10 is provided with a slide groove, the bottom block 22 is slidably connected to the slide groove, the screw rod is threadedly connected to the bottom block 22, the bottom block 22 is fixedly arranged at the bottom of the side panel 20, the bottom block 22 and the slide groove cooperate with each other, a threaded sleeve is fixedly installed on the wall surface of one of the bottom blocks 22, the screw rod is connected to the threaded sleeve, the bottom blocks 22 at symmetrical positions of the two side panels 20 are provided with the same threaded sleeve, the screw rod is connected to the two threaded sleeves at the same time, when adjusting the spacing between the two side panels 20, the screw rod is rotated, the screw rod moves the threaded sleeve to drive the bottom block 22 to slide in the corresponding slide groove, so as to adjust the spacing between the two side panels 20, which has the characteristics of simple adjustment and easy use.

[0033] like Figure 2 and Figure 5 As shown, the cleaning assembly includes a collecting body 30 and a sliding cavity 31. The sliding cavity 31 is opened at the top of the base 10. The collecting body 30 is located in the sliding cavity 31 and is elastically connected to the base 10. A rubber retaining ring is fixedly installed on the top of the collecting body 30. The collecting body 30 forms a box structure with an open top. The bottom surface of the collecting body 30 is provided with an elastic member, which includes but is not limited to a spring. The collecting body 30 is adapted to the sliding cavity 31 and is slidably connected to the sliding cavity 31. The rubber retaining ring forms a U-shaped structure. An arc-shaped notch is opened on the top of the rubber retaining ring. The retaining ring can The collecting body 30 is capable of contacting the circumferential surface of the silicon rod and scraping and cleaning the rotating silicon rod. The collecting body 30 is provided. The elastic member is taken as a spring. The two ends of the spring are respectively fixedly connected to the bottom of the collecting body 30 and the inner bottom surface of the weighing platform 11. The collecting body 30 is pushed to slide up in the sliding cavity 31 by the spring, and then the retaining ring on the top of the collecting body 30 contacts the silicon rod. The silicon rod is cleaned during the linear displacement of the silicon rod. The roller 21 is cooperated to push the silicon rod to rotate. At the same time, the collecting body 30 can move up and contact the silicon rod, thereby improving the cleaning effect, and can collect and store the cleaned impurities.

[0034] A bottom plate is provided in the cavity of the collecting body 30, and a pull rod is fixedly installed on the top of the bottom plate. The bottom plate is adapted to the cavity of the collecting body 30 and is placed on the bottom surface of the collecting body 30 to receive the impurities to be cleaned. By providing a detachable bottom plate, the pull rod is lifted to make the bottom plate detach from the cavity of the collecting body 30, and the impurities that fall on the top of the bottom plate are lifted out of the collecting body 30 together, thereby realizing the cleaning of the impurities in the collecting body 30.

[0035] The working principle of the utility model is as follows: the screw rod is rotated, and the screw rod moves the wire sleeve to drive the bottom block 22 to slide in the corresponding slide groove, so as to adjust the spacing between the two side plates 20. The distance between the rollers 21 on the wall of the two side plates 20 can ensure the limiting effect on the silicon rod, and at the same time can adapt to the silicon rod within a certain range. The rubber sleeve on the surface of the roller 21 can protect the surface of the silicon rod. The inclined roller 21, when the silicon rod moves along the side plate 20, the silicon rod will move relative to the roller 21 and give the roller 21 a lateral thrust. Through the inclined installation method, the lateral thrust will generate a longitudinal component force, so that the roller 21 is pushed to rotate, and then the rotating roller 21 can clean the surface of the silicon rod. The spring pushes the collecting body 30 to slide up in the sliding cavity 31, and then the retaining ring on the top of the collecting body 30 contacts the silicon rod. The silicon rod is cleaned during the linear displacement of the silicon rod, and the roller 21 cooperates to push the silicon rod to rotate. At the same time, the collecting body 30 can move up and contact the silicon rod to realize the cleaning and collection of impurities.

[0036] The weighing component can be a pressure sensor. The weighing platform 11 presses down the pressure sensor, and the sensor converts the pressure into an electrical signal. The control board converts the electrical signal into a corresponding numerical value, i.e., a weight unit. The specific control method has been disclosed in detail in the prior art (publication number: CN117490817A).

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A single crystal silicon round bar weight detection device, characterized in that: include: The base (10) forms a shell structure with a cavity, a weighing component and a control board are installed in the cavity of the base (10), the weighing component is connected to the control board via an electrical signal, and the control board is connected to a display screen; A weighing platform (11) is slidably connected to the top of the base (10) and is used to support the silicon rod; Two groups of limiting structures are symmetrically arranged on the top of a weighing platform (11) and are used to limit the position of silicon rods. The limiting structures include side plates (20) and rollers (21). The side plates (20) are movably connected to the weighing platform (11). A screw is provided on the wall of the weighing platform (11) to drive the two side plates (20) to approach each other. The walls of the two side plates (20) that are close to each other are rotatably connected to a plurality of identical rollers (21). The rollers (21) on the walls of the two side plates (20) extend in opposite directions. The silicon rods can be clamped and fixed by the plurality of rollers (21) and can move linearly along the side plates (20). The silicon rods can be rotated and pushed by the rollers (21). A cleaning component for cleaning the silicon rods is also provided on the top of the weighing platform (11).

2. The single crystal silicon round rod weight detection device according to claim 1, characterized in that: The side plate (20) has a horizontal extension section and an inclined guide section, the guide section and the extension section together form a rod structure with an L-shaped transverse cross section, the top of the side plate (20) extends horizontally to form a flange, and the roller (21) is rotatably connected to the bottom of the flange of the side plate (20).

3. The single crystal silicon round rod weight detection device according to claim 1, characterized in that: The limiting structure further comprises a bottom block (22), at least two bottom blocks (22) are arranged at the bottom of each side plate (20), a sliding groove is arranged on the wall surface of the base (10), the bottom block (22) is slidably connected to the sliding groove, and the screw rod is threadedly connected to the bottom block (22).

4. The single crystal silicon round rod weight detection device according to claim 3 is characterized in that: The bottom block (22) is fixedly arranged at the bottom of the side plate (20), and the bottom block (22) and the slide groove are used in cooperation with each other. A threaded sleeve is fixedly installed on the wall surface of one of the bottom blocks (22), and the threaded rod is connected to the threaded sleeve. The bottom blocks (22) at symmetrical positions of the two side plates (20) are both provided with the same threaded sleeve, and the threaded rod is connected to the two threaded sleeves at the same time.

5. The single crystal silicon round rod weight detection device according to claim 1, characterized in that: The roller (21) forms a cylindrical structure, the circumferential surface of the roller (21) is covered with a rubber sleeve, the upper end surface of the roller (21) is rotatably connected to the side plate (20), and the lower end of the roller (21) extends obliquely toward one side of the side plate (20).

6. The single crystal silicon round rod weight detection device according to claim 1, characterized in that: The cleaning assembly comprises a collecting body (30) and a sliding cavity (31); the sliding cavity (31) is provided at the top of the base (10); the collecting body (30) is located in the sliding cavity (31) and is elastically connected to the base (10); a rubber retaining ring is fixedly mounted on the top of the collecting body (30).

7. The single crystal silicon round rod weight detection device according to claim 6, characterized in that: The collecting body (30) forms a box structure with an open top. An elastic member is provided on the bottom surface of the collecting body (30). The elastic member includes a spring but is not limited to a spring. The collecting body (30) is adapted to the sliding cavity (31) and is slidably connected to the sliding cavity (31). The rubber retaining ring forms a U-shaped structure. An arc-shaped notch is provided on the top of the rubber retaining ring. The retaining ring can contact the circumferential surface of the silicon rod and scrape and clean the rotating silicon rod.

8. The single crystal silicon round rod weight detection device according to claim 6, characterized in that: A bottom plate is provided in the cavity of the collecting body (30), a pull rod is fixedly mounted on the top of the bottom plate, and the bottom plate is adapted to the cavity of the collecting body (30) and is placed on the bottom surface of the collecting body (30) to receive cleaned impurities.

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