Automatic centering device for charging barrel

Abstract

The utility model discloses an automatic centering device for a charging barrel, and particularly relates to the technical field of butt joint of charging barrels, a guide hopper for guiding the charging barrel is fixedly connected to the top end of a conical top cap, and a centering assembly is mounted on the inner wall of the conical top cap; the centering assembly comprises a limiting cross beam installed on the inner wall of the conical top cap, the top end of the limiting cross beam fixedly communicates with a centering hopper, and a supporting block fixedly connected with the limiting cross beam is arranged on the outer wall of the centering hopper. A positioning ring is installed above the centering hopper, a centering hole is formed in the bottom end of the centering hopper, and a connecting frame is installed between the positioning ring and the conical top cap. By arranging the centering assembly, the charging barrel enters the interior of the conical top cap along the guide of the guide hopper, the middle position of the charging barrel enters the interior of the centering hole along the guide of the centering hopper for butt joint, the conical top cap and the charging barrel can complete multi-layer guide centering operation, and more time and labor are saved during butt joint.

Description

Technical Field

[0001] The utility model relates to the technical field of barrel docking, and more specifically, to an automatic barrel centering device. Background Art

[0002] The photovoltaic industry is ready to take off, and reducing costs and increasing efficiency of single crystals have always been the unchanging topics of the industry's development. The time is ripe for the use of automation in crystal pulling. The advancement of automation to gradually replace manpower requires the introduction of more new structures. When realizing automatic feeding, an automatic barrel centering sub-chamber is introduced to realize automatic feeding. Therefore, an automatic barrel centering device is required to complete the docking operation.

[0003] In the existing published technical documents, the Chinese patent publication number CN201331263Y discloses a feeding device, which includes a single crystal silicon thermal field furnace, a chuck, a push rod, and a barrel. A cone is set at the lower end of the push rod, and the push rod passes through the barrel. The large end diameter of the cone is larger than the diameter of the barrel. Silica sand is added to the barrel, and the chuck in the lifting and conveying device automatically sends the barrel into the single crystal silicon thermal field furnace. The push rod is continuously pressed down, and the silica sand flows into the crucible under the action of its own weight and melts together with the melted silica sand added last time, so as to achieve the purpose of greatly increasing the single crystal. However, the feeding device still has the following defects when performing centering;

[0004] When the feeding device is being aligned, the barrel needs to be straightened by personnel before rising when the single crystal is grown for the second time by the Czochralski method. If no auxiliary straightening is performed, the docking position will be offset, making it difficult to achieve docking quickly and more time-consuming and labor-intensive. This requires an automatic barrel centering device. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an automatic centering device for a barrel.

[0006] To achieve the above object, the utility model provides the following technical solution: an automatic barrel centering device, comprising a conical top cap, the top end of which is fixedly connected to a guide bucket for guiding the barrel, and a centering component is installed on the inner wall of the conical top cap;

[0007] The centering component includes a limiting beam installed on the inner wall of the conical top cap, the top end of the limiting beam is fixedly connected to the centering bucket, and the outer wall of the centering bucket is provided with a support block fixedly connected to the limiting beam; a positioning ring is installed above the centering bucket, and a centering hole is opened at the bottom end of the centering bucket, a connecting frame is installed between the positioning ring and the conical top cap, the limiting beam and the conical top cap are vertically slidably plugged, and the outer wall of the limiting beam and the inner wall of the conical top cap are polished and ground, the inner wall diameter of the top end of the guide bucket is larger than the inner wall diameter of the bottom end; the inner wall diameter of the top end of the centering bucket is larger than the inner wall diameter of the bottom end, the center point of the centering bucket and the center point of the center hole are on the same vertical line, the connecting frame is fixedly connected to the conical top cap and the positioning ring respectively, and the inner wall of the positioning ring is polished and ground.

[0008] Preferably, two reinforcement frames for supporting the guide bucket are fixed to the outer wall of the guide bucket, and the reinforcement frame and the guide bucket are integrated into one piece, plug-in sleeves are inserted into the inclined surfaces on both sides of the limiting beam, and a guide ring is welded to the top of the plug-in sleeve, and the two plug-in sleeves are welded to the inner wall of the conical top cap, and a locking screw that slides through the limiting beam is provided on the inner wall of the guide ring; a locking screw ring that is threadedly connected to the outer wall of the locking screw is provided at the bottom end of the limiting beam, and a rotating cap is integrally formed at the top of the locking screw by die-casting.

[0009] In the above technical solution, the barrel can dock with the inner wall of the guide bucket when it moves downward, the barrel follows the guide of the guide bucket to enter the inside of the conical top cap, and the barrel enters the inside of the positioning ring, the connecting frame supports the positioning ring, the middle position of the barrel follows the guidance of the centering bucket to enter the inside of the centering hole for docking, and the limiting beam supports the support block, the conical top cap can complete multi-layer guide centering operations with the barrel, and there is no need to hold the barrel with hands for centering, and the docking efficiency is effectively improved.

[0010] Preferably, a guide positioning assembly is installed at the bottom end of the positioning ring; the guide positioning assembly includes two guide columns installed at the bottom end of the positioning ring, the outer wall of the guide column is integrally formed with a guide strip by die-casting, the outer wall of the guide column is provided with two guide rings fixedly connected to the limiting beam, the bottom end of the guide bar is welded with a guide plug, the guide column is vertically slidably connected to the guide ring and the limiting beam respectively, and the top cross-sectional area of ​​the guide plug is larger than the bottom cross-sectional area.

[0011] In the above technical solution, the guide plug is inserted into the two guide rings and passes through the limiting beam at the same time. The guide plug drives the guide column to move along the inside of the guide ring and the limiting beam. The two guide strips are connected to the inside of the guide ring and the limiting beam, and can play a guiding role through the guide plug, the guide strip and the guide column.

[0012] Technical effects and advantages of the utility model:

[0013] 1. By setting the centering component, the barrel is guided into the conical top cap along the guide bucket, and the barrel enters the positioning ring. The middle part of the barrel is guided into the centering hole along the centering bucket for docking. The conical top cap can complete multi-layer guide centering operation with the barrel, realizing automatic guide docking of the barrel, which saves time and effort.

[0014] 2. Use the guide positioning assembly to insert the guide block into the two guide rings. The guide block drives the guide column to move along the inside of the guide ring and the inside of the limit beam. The guide block, guide bar and guide column can be used for guiding docking, and the limit beam and the conical top cap can be accurately guided and docked for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the main structure of an automatic barrel centering device provided by the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the vertical cross-section structure of an automatic barrel centering device.

[0017] Figure 3 It is a schematic diagram of the local structure of the vertical section of the connection between the conical top cap and the plug-in sleeve block of the utility model.

[0018] Figure 4 It is a schematic diagram of the local structure of the vertical section of the limiting crossbeam and the centering bucket of the utility model.

[0019] The accompanying drawings are marked as follows: 1. conical top cap; 2. guide bucket; 3. limiting crossbeam; 4. centering bucket; 5. support block; 6. positioning ring; 7. connecting frame; 8. centering hole; 9. reinforcement frame; 10. plug-in sleeve; 11. guide ring; 12. locking screw; 13. rotating cap; 14. locking screw ring; 15. guide column; 16. guide strip; 17. guide sleeve; 18. guide plug-in block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] As attached Figure 1-4The automatic centering device for a barrel is shown, and a centering component is arranged on the automatic centering device for a barrel. The arrangement of the centering component enables the conical top cap 1 and the barrel to complete multi-layer guiding centering operations, realizes automatic guiding docking of the barrel, and saves time and effort in docking. The specific structure of the centering component is arranged as follows:

[0022] In this embodiment, as shown in the attached Figure 1-2 As shown, the centering assembly includes a limiting crossbeam 3 installed on the inner wall of the conical top cap 1, the top of the limiting crossbeam 3 is fixedly connected with a centering bucket 4, and the outer wall of the centering bucket 4 is provided with a support block 5 fixedly connected to the limiting crossbeam 3; a positioning ring 6 is installed above the centering bucket 4, and a centering hole 8 is opened at the bottom end of the centering bucket 4, and a connecting frame 7 is installed between the positioning ring 6 and the conical top cap 1;

[0023] When this embodiment is used, the barrel can dock with the inner wall of the guide bucket 2 when it moves downward, and the two reinforcement frames 9 support the guide bucket 2. The barrel is guided along the guide bucket 2 to enter the conical top cap 1, and the barrel enters the positioning ring 6, and the connecting frame 7 supports the positioning ring 6. The middle position of the barrel is guided along the centering bucket 4 to enter the centering hole 8 for docking, and the limiting beam 3 supports the support block 5, the support block 5 supports the centering bucket 4, and the centering bucket 4 supports the bottom end of the barrel, so that the barrel can be quickly guided to the centering hole 8 inside the guide centering bucket 4, so that the conical top cap 1 can complete multi-layer guiding and centering operations with the barrel, realize automatic guiding and docking of the barrel, and there is no need to hold the barrel with hands for centering, which effectively improves the docking efficiency.

[0024] In this embodiment, as shown in the attached Figure 1-3 As shown, two reinforcement frames 9 for supporting the guide bucket 2 are fixed to the outer wall of the guide bucket 2, and the reinforcement frames 9 and the guide bucket 2 are integrally formed, so that the two reinforcement frames 9 can support the guide bucket 2 and provide a stable supporting force for the reinforcement frames 9. The guide bucket 2 and the reinforcement frames 9 are more firmly connected. The inclined surfaces on both sides of the limiting beam 3 are plugged with plug-in sleeves 10, and the top of the plug-in sleeves 10 is welded with a guide ring 11. The two plug-in sleeves 10 are welded to the inner wall of the conical top cap 1, and a locking screw 12 that slides through the limiting beam 3 is provided on the inner wall of the guide ring 11; The bottom end of the limiting beam 3 is provided with a locking screw ring 14 which is threadedly connected to the outer wall of the locking screw 12. The top of the locking screw 12 is integrally formed with a rotating cap 13 by die-casting, so that the limiting beam 3 can be docked with the inside of the conical top cap 1. At the same time, the limiting beam 3 can be docked with the limiting beam 3 through the plug-in sleeve 10, and then the locking screw 12 is inserted into the inside of the guide ring 11 and then passes through the limiting beam 3. Then the locking screw 12 is rotated, and the rotating cap 13 drives the locking screw 12 and the locking screw ring 14 to be connected and locked under the action of the thread. In this way, the limiting beam 3 is locked after docking with the plug-in sleeve 10.

[0025] In this embodiment, as shown in the attached Figure 4 As shown, a guide positioning assembly is installed at the bottom end of the positioning ring 6;

[0026] The guide positioning assembly includes two guide columns 15 installed at the bottom end of the positioning ring 6. The outer wall of the guide column 15 is integrally formed with a guide strip 16 by die-casting. The outer wall of the guide column 15 is provided with two guide collars 17 fixedly connected to the limiting cross beam 3. The bottom end of the guide strip 16 is welded with a guide plug 18. The guide column 15 is vertically slidably connected to the guide collar 17 and the limiting cross beam 3 respectively. The top cross-sectional area of ​​the guide plug 18 is larger than the bottom cross-sectional area thereof.

[0027] According to the upper structure, when docking the limiting beam 3, the guide plug 18 is inserted into the two guide rings 17 and penetrates the limiting beam 3. As the guide plug 18 is plugged in, the guide plug 18 drives the guide column 15 to move along the inside of the guide ring 17 and the inside of the limiting beam 3, and the two guide strips 16 play a guiding role for the guide ring 17 and the inside of the limiting beam 3 at the same time. When the limiting beam 3 is docked with the conical top cap 1, it can play a guiding role through the guide plug 18, the guide strip 16 and the guide column 15, and the limiting beam 3 is quickly docked on the inner wall of the conical top cap 1.

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic barrel centering device, comprising a conical top cap (1), the top end of the conical top cap (1) being fixedly connected to a guide bucket (2) for guiding the barrel, characterized in that: A centering component is installed on the inner wall of the conical top cap (1); The centering assembly comprises a limiting crossbeam (3) mounted on the inner wall of the conical top cap (1), the top end of the limiting crossbeam (3) being fixedly connected to a centering bucket (4), and the outer wall of the centering bucket (4) being provided with a supporting block (5) fixedly connected to the limiting crossbeam (3); A positioning ring (6) is installed above the centering bucket (4), and a centering hole (8) is opened at the bottom end of the centering bucket (4). A connecting frame (7) is installed between the positioning ring (6) and the conical top cap (1).

2. The automatic barrel centering device according to claim 1, characterized in that: The limiting cross beam (3) and the conical top cap (1) are vertically slidably plugged in each other, and the outer wall of the limiting cross beam (3) and the inner wall of the conical top cap (1) are both polished and ground.

3. The automatic barrel centering device according to claim 1, characterized in that: The inner wall diameter of the top end of the guide bucket (2) is larger than the inner wall diameter of the bottom end; The inner wall diameter of the top end of the centering bucket (4) is greater than the inner wall diameter of the bottom end thereof, and the center point of the centering bucket (4) and the center point of the centering hole (8) are located on the same vertical line.

4. The automatic barrel centering device according to claim 1, characterized in that: The connecting frame (7) is fixedly connected to the conical top cap (1) and the positioning ring (6) respectively, and the inner wall of the positioning ring (6) is polished and ground.

5. The automatic barrel centering device according to claim 1, characterized in that: Two reinforcement frames (9) for supporting the guide bucket (2) are fixed to the outer wall of the guide bucket (2), and the reinforcement frames (9) and the guide bucket (2) are integrally formed.

6. The automatic barrel centering device according to claim 1, characterized in that: The inclined surfaces on both sides of the limiting crossbeam (3) are plugged with plug-in sleeves (10), and the top of the plug-in sleeves (10) is welded with a guide ring (11), and the two plug-in sleeves (10) are welded to the inner wall of the conical top cap (1), and a locking screw (12) that slides through the limiting crossbeam (3) is provided on the inner wall of the guide ring (11); The bottom end of the limiting cross beam (3) is provided with a locking screw ring (14) threadedly connected to the outer wall of the locking screw (12), and the top end of the locking screw (12) is integrally formed with a rotating cap (13) by die-casting.

7. The automatic barrel centering device according to claim 1, characterized in that: A guide positioning component is installed at the bottom end of the positioning ring (6); The guide positioning assembly comprises two guide columns (15) mounted at the bottom end of the positioning ring (6); the outer wall of the guide column (15) is integrally formed with a guide strip (16) by die-casting; the outer wall of the guide column (15) is provided with two guide collars (17) fixedly connected to the limiting cross beam (3); and the bottom end of the guide strip (16) is welded with a guide plug (18).

8. The automatic barrel centering device according to claim 7, characterized in that: The guide column (15) is respectively connected to the guide collar (17) and the limiting cross beam (3) in a vertical sliding manner, and the top cross-sectional area of ​​the guide plug (18) is larger than the bottom cross-sectional area thereof.

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