Rhombic silicon core cutting machine head

Abstract

The embodiment of the utility model provides a diamond-shaped silicon core cutting machine head, and relates to the technical field of diamond-shaped silicon core cutting. The diamond-shaped silicon core cutting machine head comprises a bottom plate, four mounting seats are mounted on the upper side of the bottom plate, first rollers are rotationally arranged in two oppositely-arranged mounting seats respectively, second rollers are rotationally arranged in the other two oppositely-arranged mounting seats respectively, and fixing plates are arranged on the sides, corresponding to the first rollers and the second rollers, of the bottom plate respectively. Sliding grooves are symmetrically formed in the upper side of the fixing plate. Through rotation of the lead screw, the limiting block drives the long rod and the connecting rod to move, the connecting rod drives the sliding block and the mounting plate to move, and therefore the distance between the mounting plate and the guide wheel and the bottom plate is adjusted, meanwhile, the long rod drives the air cylinder to move together, and it is guaranteed that the air cylinder can adjust the angle of the mounting plate all the time; and therefore, the tension stability of the cutting line can be maintained, jumping and deflection are reduced, the cutting process is smoother and more continuous, and the quality and consistency of a cutting surface are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rhombus silicon core cutting, in particular to a rhombus silicon core cutting machine head. Background Art

[0002] Currently, round silicon cores and square silicon cores are common. When the cross-sectional areas are equal, the circumference of the diamond silicon core is larger than that of the round silicon core and the square silicon core. The larger surface area of ​​the silicon core is conducive to improving the CVD reaction efficiency, shortening the reduction time, saving electricity, and it is a geometric shape that is easy to cut. Therefore, the diamond silicon core has great advantages. For the diamond silicon core, the conventional square silicon core cutting equipment is not applicable and the cutting equipment needs to be redesigned.

[0003] Chinese Patent Announcement No.: CN220362819U discloses a single-sided cutting head for diamond-shaped silicon cores, which includes a bottom plate, a material port is opened on the bottom plate, and the silicon rod to be cut passes through the material port. Two cutting components are arranged on the bottom plate, and each cutting component includes two rollers located on both sides of the material port. Each roller is provided with a plurality of wire grooves, and the diamond wire used for cutting is wound back and forth in the wire grooves of the two rollers to form a layer of wire net. The wire nets of the two cutting components are staggered at the material port to form a diamond grid. The above-mentioned single-sided cutting head for diamond-shaped silicon cores is provided with two cutting components according to the needs of diamond-shaped silicon core molding, and the two layers of wire nets are staggered, and the space is fully designed to effectively avoid the mutual influence of the spatial arrangement of the two cutting components, minimize the size of the equipment, reduce the center distance of the rollers at both ends, improve the cutting efficiency, and meet the molding requirements of the diamond-shaped silicon core.

[0004] It can be seen that in the prior art, two layers of wire mesh are arranged alternately through two cutting components, so that a diamond cutting area is formed at the intersection of the wire mesh, thereby realizing the cutting of the diamond silicon core. However, multiple sets of guide wheels are installed on the cutting head in the prior art, and the guide wheels are mostly fixed. After installation, it is not convenient to adjust the distance and angle between the guide wheels and the cutting head again. Therefore, when the tension of the wire mesh is reduced, the cutting resistance is increased, and the cutting accuracy is reduced during use, it is not convenient to adjust according to actual needs. Utility Model Content

[0005] The purpose of the utility model is to provide a diamond-shaped silicon core cutting machine head, which can avoid the situation where the tension is reduced, the cutting resistance is increased, and the cutting accuracy is reduced when the wire net is used, which makes it inconvenient to adjust the guide wheel according to actual needs.

[0006] The utility model provides a diamond-shaped silicon core cutting machine head, comprising a base plate, wherein four mounting seats are installed on the upper side of the base plate, wherein two of the mounting seats which are arranged opposite to each other respectively have roller one rotatably arranged therein, and the other two mounting seats which are arranged opposite to each other respectively have roller two rotatably arranged therein, and a fixing plate is arranged on one side of the base plate corresponding to roller one and roller two, wherein sliding grooves are symmetrically opened on the upper side of the fixing plate, wherein an adjusting mechanism is slidably connected to the sliding groove, wherein the adjusting mechanism is used to adjust the position and angle of the mounting plate, and a guide wheel is rotatably arranged on the mounting plate.

[0007] In a specific embodiment, the diamond wire is wound back and forth around two rollers, roller one and roller two, to form a wire mesh layer, and the intersection of the wire mesh layer forms a diamond-shaped cutting area.

[0008] In a specific embodiment, the staggered angle of the two wire mesh layers is 20°-50°.

[0009] In a specific implementation manner, wire grooves are provided on both the first roller and the second roller.

[0010] In a specific embodiment, the adjustment mechanism includes a slider slidably disposed in two slide grooves, and the slider is rotatably connected to the upper end of the mounting plate through a rotating rod.

[0011] In a specific embodiment, a connecting rod is provided on one side of the slider, and long rods are connected to the lower sides of the two connecting rods. A cylinder is movably connected to the long rod, and a piston end of the cylinder is hinged to one side of the mounting plate.

[0012] In a specific implementation manner, limiting grooves are symmetrically provided on the lower side of the fixing plate, and limiting blocks are provided at both ends of the long rod and are slidably connected to the limiting grooves.

[0013] In a specific implementation manner, a screw rod is rotatably disposed in one of the limiting grooves, and the screw rod is threadedly connected to the limiting block.

[0014] In a specific implementation, four sliding sleeves are arranged on the lower side of the base plate, a support plate is slidably arranged inside the sliding sleeve, and one side of the support plate is in contact with the mounting plate.

[0015] In a specific embodiment, the support plate is fixed in the sliding sleeve by bolts.

[0016] The diamond-shaped silicon core cutting machine head provided in the embodiment of the utility model has the following advantages compared with the prior art:

[0017] 1. The utility model rotates the screw rod to move the limit block with the long rod and the connecting rod, and the connecting rod moves the slider and the mounting plate, so as to adjust the spacing between the mounting plate, the guide wheel and the bottom plate. At the same time, the long rod moves with the cylinder to ensure that the cylinder can always adjust the angle of the mounting plate, which helps to maintain the tension of the cutting line stable, reduce jumping and deflection, make the cutting process smoother and more continuous, improve the quality and consistency of the cutting surface, reduce the wear of the cutting line, avoid unnecessary stress concentration, extend its service life, and reduce production costs.

[0018] 2. The utility model enables the support plate to always support and restrict the mounting plate by sliding the support plate in the sliding sleeve, thereby improving the stability of the mounting plate and the guide wheel during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0021] Figure 2 It is a schematic top view of the overall structure of an embodiment of the utility model;

[0022] Figure 3 It is a side view schematic diagram of the structure of the fixing plate and the like of an embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of the disassembly of the mounting plate and the fixing plate structure of an embodiment of the utility model;

[0024] Figure 5 This is a schematic diagram of the disassembly of the slider and the rotating rod structure of an embodiment of the utility model;

[0025] Figure 6 This is a schematic diagram of the bottom structure of the fixed plate structure of an embodiment of the utility model;

[0026] Figure 7 For the utility model embodiment Figure 6 A schematic diagram of the structure at A;

[0027] Figure 8 This is a schematic diagram of the structure of roller 2 according to an embodiment of the utility model.

[0028] icon:

[0029] 1. Bottom plate; 2. Mounting seat; 3. Roller 1; 4. Roller 2; 5. Fixed plate; 6. Wire mesh layer; 7. Slide groove; 8. Slider; 9. Mounting plate; 10. Guide wheel; 11. Connecting rod; 12. Long rod; 13. Cylinder; 14. Limit block; 15. Limit groove; 16. Rotating rod; 17. Sliding sleeve; 18. Support plate; 19. Bolt; 20. Screw rod; 21. Wire groove. DETAILED DESCRIPTION

[0030] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0031] Please refer to Figures 1 to 8 The embodiment of the utility model provides a diamond-shaped silicon core cutting machine head, including a base plate 1, and four mounting seats 2 are installed on the upper side of the base plate 1. Two of the mounting seats 2 that are arranged opposite to each other respectively have rollers 3 that are rotatably arranged therein, and the other two mounting seats 2 that are arranged opposite to each other respectively have rollers 4 that are rotatably arranged therein.

[0032] The diamond wire used for cutting is wound back and forth around two rollers 1 3 and roller 2 4 to form a wire mesh layer 6. The intersection of the wire mesh layer 6 forms a diamond cutting area. Since wire grooves 21 are provided on rollers 1 3 and roller 2 4, the diamond wire needs to be located in the wire grooves 21, and the staggered angle of the two wire mesh layers 6 is 20°-50° to achieve diamond cutting of the silicon core.

[0033] A fixed plate 5 is provided on one side of the bottom plate 1 corresponding to roller 1 3 and roller 2 4, and a slide groove 7 is symmetrically opened on the upper side of the fixed plate 5. An adjustment mechanism is slidably connected in the slide groove 7, and the adjustment mechanism is used to adjust the position and angle of the mounting plate 9. A guide wheel 10 is rotatably provided on the mounting plate 9 to ensure the tension of the wire mesh layer 6.

[0034] Specifically, the adjustment mechanism includes a slider 8 slidably disposed in the two slide grooves 7. The slider 8 is rotatably connected to the upper end of the mounting plate 9 through a rotating rod 16. The use angle of the mounting plate 9 can be adjusted by rotating the rotating rod 16.

[0035] Furthermore, a connecting rod 11 is provided on one side of the slider 8, and a long rod 12 is connected to the lower side of the two connecting rods 11. A cylinder 13 is movably connected to the long rod 12, and the piston end of the cylinder 13 is hinged to one side of the mounting plate 9. The cylinder 13 is pushed to realize the automatic adjustment of the angle of the mounting plate 9. At the same time, the sliding of the slider 8 can adjust the distance between the mounting plate 9 and the base plate 1. At the same time, the connecting rod 11 is used to drive the mounting plate 9 to move, and the cylinder 13 also moves at the same time, ensuring the smooth adjustment of the angle of the mounting plate 9.

[0036] Furthermore, limiting grooves 15 are symmetrically opened on the lower side of the fixed plate 5, and limiting blocks 14 are arranged at both ends of the long rod 12 and are slidably connected to the limiting grooves 15. A screw rod 20 is rotatably arranged in one of the limiting grooves 15, and the screw rod 20 is threadedly connected to the limiting block 14. Therefore, when the screw rod 20 rotates, the limiting block 14 is prompted to slide in the limiting groove 15, so that the limiting block 14 moves with the long rod 12, and the long rod 12 moves with the connecting rod 11 and the slider 8.

[0037] It is worth mentioning that four sliding sleeves 17 are arranged on the lower side of the base plate 1, and a support plate 18 is slidably arranged in the sliding sleeve 17. One side of the support plate 18 is in contact with the mounting plate 9. The support plate 18 is slid to one side of the mounting plate 9 to support the mounting plate 9, and the support plate 18 is fixed in the sliding sleeve 17 by bolts 19 to improve the stability of the support plate 18 supporting the mounting plate 9.

[0038] In summary, the working principle of a diamond-shaped silicon core cutting machine head in an embodiment of the utility model is: the rotation of the screw 20 causes the limit block 14 to move with the long rod 12 and the connecting rod 11, and the connecting rod 11 moves with the slider 8 and the mounting plate 9, thereby adjusting the distance between the mounting plate 9 and the guide wheel 10 and the base plate 1, and at the same time, the long rod 12 moves with the cylinder 13 to ensure that the cylinder 13 can always adjust the angle of the mounting plate 9, thereby helping to maintain the stability of the tension of the cutting line.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A diamond-shaped silicon core cutting machine head, comprising a bottom plate (1), characterized in that: Four mounting seats (2) are installed on the upper side of the base plate (1), wherein two of the mounting seats (2) arranged opposite to each other are respectively provided with roller one (3) rotatably mounted therein, and the other two mounting seats (2) arranged opposite to each other are respectively provided with roller two (4) rotatably mounted therein, and a fixing plate (5) is provided on one side of the base plate (1) corresponding to roller one (3) and roller two (4), and a slide groove (7) is symmetrically provided on the upper side of the fixing plate (5), and an adjusting mechanism is slidably connected in the slide groove (7), and the adjusting mechanism is used to adjust the position and angle of the mounting plate (9), and a guide wheel (10) is rotatably mounted on the mounting plate (9).

2. The diamond-shaped silicon core cutting head according to claim 1, characterized in that: The diamond wire is wound back and forth around two rollers 1 (3) and two rollers 2 (4) to form a wire mesh layer (6), and the intersection of the wire mesh layer (6) forms a diamond-shaped cutting area.

3. The diamond-shaped silicon core cutting head according to claim 2, characterized in that: The staggered angle of the two wire mesh layers (6) is 20°-50°.

4. The diamond-shaped silicon core cutting head according to claim 3, characterized in that: The roller one (3) and the roller two (4) are both provided with wire grooves (21).

5. The diamond-shaped silicon core cutting head according to claim 1, characterized in that: The adjustment mechanism comprises a sliding block (8) slidably arranged in two sliding grooves (7); the sliding block (8) is rotatably connected to the upper end of the mounting plate (9) via a rotating rod (16).

6. The diamond-shaped silicon core cutting head according to claim 5, characterized in that: A connecting rod (11) is provided on one side of the sliding block (8), and a long rod (12) is connected to the lower side of the two connecting rods (11). A cylinder (13) is movably connected to the long rod (12), and a piston end of the cylinder (13) is hinged to one side of the mounting plate (9).

7. The diamond-shaped silicon core cutting head according to claim 6, characterized in that: The lower side of the fixing plate (5) is symmetrically provided with a limiting groove (15), and both ends of the long rod (12) are provided with a limiting block (14) which is slidably connected with the limiting groove (15).

8. The diamond-shaped silicon core cutting head according to claim 7, characterized in that: A screw rod (20) is rotatably arranged in one of the limiting grooves (15), and the screw rod (20) is threadedly connected to the limiting block (14).

9. The diamond-shaped silicon core cutting head according to claim 1, characterized in that: Four sliding sleeves (17) are arranged on the lower side of the base plate (1), a support plate (18) is slidably arranged inside the sliding sleeve (17), and one side of the support plate (18) is in contact with the mounting plate (9).

10. The diamond-shaped silicon core cutting head according to claim 9, characterized in that: The support plate (18) is fixed in the sliding sleeve (17) by means of bolts (19).

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