Stable bracket for gear hobbing machine

Abstract

The utility model discloses a stable bracket for a gear hobbing machine, which relates to the technical field of gear hobbing machines and comprises a fixed plate and a hob rod, a lifting frame is arranged on the fixed plate, a bearing seat is mounted on the lifting frame, the hob rod is rotatably mounted on the bearing seat through a bearing, and driving mechanisms which are matched for use are mounted on the lifting frame and the hob rod. A locking assembly is arranged on one side of the driving mechanism, a cooling assembly is arranged at the bottom of the lifting frame, a first flange is welded to the bottom end of the hob rod, a second flange is installed on the first flange through a bolt, a hob is welded to the bottom end of the second flange, the lifting frame comprises a sliding groove formed in one side of the fixing plate, and a screw rod is installed at the bottom end of the sliding groove through a bearing. And an L-shaped mounting plate is screwed on the screw rod. According to the gear hobbing machine, the hob rod is supported by the bearing on the bearing seat, and the driving mechanism drives the hob rod and the hob, so that the high-speed rotation of the hob rod and the hob is ensured, the rotation stability can be kept, and the overall machining efficiency of the gear hobbing machine is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear hobbing machines, in particular to a stabilizing bracket for gear hobbing machines. Background Art

[0002] Gear hobbing machines are the most widely used type of gear processing machine tools. They can cut spur and helical cylindrical gears, as well as worm gears, sprockets, etc.

[0003] The hob head bracket of an ordinary gear hobbing machine is supported by an outer tapered steel sleeve, an inner tapered copper sleeve and lubricating oil for rotation. Since the bracket is designed with a tapered fit, it cannot rotate at a high speed, resulting in low processing efficiency of the gear hobbing machine. Therefore, a stable bracket for a gear hobbing machine is provided. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a stabilizing bracket for a gear hobbing machine, which supports the hob rod through the bearing on the bearing seat and the driving action of the driving mechanism, thereby ensuring high-speed rotation of the hob rod and the hob while maintaining rotation stability, effectively improving the overall processing efficiency of the gear hobbing machine and overcoming the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stable bracket for a gear hobbing machine, comprising a fixed plate and a hob rod, a lifting frame is arranged on the fixed plate, a bearing seat is installed on the lifting frame, the hob rod is rotatably installed on the bearing seat through a bearing, a driving mechanism for use with the lifting frame and the hob rod is installed, a locking assembly is arranged on one side of the driving mechanism, and a cooling assembly is arranged at the bottom of the lifting frame;

[0007] A first flange is welded to the bottom end of the hob rod, a second flange is mounted to the first flange via bolts, and a hob is welded to the bottom end of the second flange.

[0008] Through the above scheme, the support of the hob rod by the bearing on the bearing seat and the driving action of the driving mechanism ensure that the hob rod and the hob can rotate at high speed while maintaining rotation stability, effectively improving the overall processing efficiency of the gear hobbing machine.

[0009] Preferably, the lifting frame includes a slide groove opened on one side of the fixed plate, a screw rod is installed at the bottom end of the slide groove through a bearing, an L-shaped mounting plate is screwed on the screw rod, a first servo motor is installed at the top end of the fixed plate, the output end of the first servo motor is connected to the upper end of the screw rod through a coupling, and a strip hole is opened at the top of the vertical section of the L-shaped mounting plate.

[0010] Preferably, the end of the horizontal section of the L-shaped mounting plate is slidably engaged with the slide groove.

[0011] Preferably, the driving mechanism includes a second servo motor installed at the top of the horizontal section of the L-shaped mounting plate, the output end of the second servo motor extends to the bottom of the horizontal section of the L-shaped mounting plate and is installed with a first gear, the outer wall of the hob rod is fixed with a second gear, and the side of the first gear passes through the strip hole to engage with the second gear.

[0012] Preferably, the locking assembly includes an electric push rod installed on the top of one side of the vertical section of the L-shaped mounting plate, one end of the electric push rod is equipped with a connecting plate through a flange, one end of the connecting plate is equipped with a locking block through bolts, and one side of the locking block is provided with a tooth groove that engages with the teeth of the first gear.

[0013] Preferably, the cooling assembly includes a mounting hole opened at the bottom of the vertical section of the L-shaped mounting plate, a nozzle is installed at the mounting hole through a fixing card, and one end of the nozzle is externally connected to a cooling water pipe.

[0014] Preferably, the bottom end of the hob extends below the vertical section of the L-shaped mounting plate.

[0015] Preferably, the fixing plate is provided with fixing holes, and four fixing holes are provided and respectively located at four corners of the fixing plate.

[0016] The beneficial effects of the utility model are:

[0017] The support of the hob rod by the bearing on the bearing seat and the driving action of the driving mechanism ensure the high-speed rotation of the hob rod and the hob while maintaining the rotation stability, effectively improving the overall processing efficiency of the gear hobbing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure from a first perspective of a stabilizing bracket for a gear hobbing machine proposed by the utility model.

[0019] Figure 2 This is a schematic diagram of the third perspective structure of a stabilizing bracket for a gear hobbing machine proposed by the utility model.

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure from a third perspective of a stabilizing bracket for a gear hobbing machine proposed by the utility model.

[0021] Figure 4 The utility model provides a stable bracket for a gear hobbing machine. Figure 2 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. fixing plate; 2. L-shaped mounting plate; 3. hob; 4. second gear; 5. bearing seat; 6. hob rod; 7. second servo motor; 8. slide groove; 9. screw rod; 10. first servo motor; 11. nozzle; 12. mounting hole; 13. strip hole; 14. first gear; 15. locking block; 16. connecting plate; 17. tooth groove; 18. electric push rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1, reference Figure 1-4 A stable bracket for a gear hobbing machine includes a fixed plate 1 and a hob rod 6. The fixed plate 1 is provided with fixing holes at four corners. The fixed plate 1 can be fixed at an installation position through the fixing holes by bolts. A lifting frame is provided on the fixed plate 1. A bearing seat 5 is installed on the lifting frame. The hob rod 6 is rotatably installed on the bearing seat 5 through a bearing. A driving mechanism for use with the lifting frame and the hob rod 6 is installed;

[0025] A first flange is welded to the bottom end of the hob rod 6, a second flange is mounted to the first flange via bolts, and a hob 3 is welded to the bottom end of the second flange;

[0026] The lifting frame includes a slide groove 8 opened on one side of the fixed plate 1, a screw rod 9 is installed at the bottom end of the slide groove 8 through a bearing, an L-shaped mounting plate 2 is screwed on the screw rod 9, a first servo motor 10 is installed at the top end of the fixed plate 1, the output end of the first servo motor 10 is connected to the upper end of the screw rod 9 through a coupling, a strip hole 13 is opened at the top of the vertical section of the L-shaped mounting plate 2, and the end of the horizontal section of the L-shaped mounting plate 2 is slidably engaged with the slide groove 8;

[0027] The driving mechanism includes a second servo motor 7 installed at the top of the horizontal section of the L-shaped mounting plate 2, the output end of the second servo motor 7 extends to the bottom of the horizontal section of the L-shaped mounting plate 2 and is installed with a first gear 14, the outer wall of the hob rod 6 is fixed with a sleeve of a second gear 4, the side of the first gear 14 passes through the strip hole 13 and meshes with the second gear 4, and the bottom end of the hob 3 extends to the bottom of the vertical section of the L-shaped mounting plate 2;

[0028] A locking assembly is provided on one side of the driving mechanism, and the locking assembly includes an electric push rod 18 installed on the top of one side of the vertical section of the L-shaped mounting plate 2, one end of the electric push rod 18 is installed with a connecting plate 16 through a flange, one end of the connecting plate 16 is installed with a locking block 15 through a bolt, and one side of the locking block 15 is provided with a tooth groove 17 engaged with the teeth of the first gear 14;

[0029] A cooling assembly is provided at the bottom of the lifting frame. The cooling assembly includes a mounting hole 12 opened at the bottom of the vertical section of the L-shaped mounting plate 2. A nozzle 11 is installed at the mounting hole 12 through a fixing card, and one end of the nozzle 11 is externally connected to a cooling water pipe.

[0030] Working principle: The second servo motor 7 is used to drive the first gear 14 to rotate, so that the first gear 14 drives the second gear 4, the hob rod 6 and the hob 3 to rotate. The support of the hob rod 6 by the bearing on the bearing seat 5 ensures the high-speed rotation of the hob rod 6 and the hob 3 and maintains the stability of rotation. The first servo motor 10 drives the screw 9 to rotate, and then the L-shaped mounting plate 2 can be driven to upgrade along the slide groove 8, so as to adjust the height of the hob 3 and realize the processing of the workpiece. During the processing, cooling water is sprayed from the nozzle 11 to the hob 3 to cool the hob 3 and ensure the service life of the hob 3.

[0031] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A stabilizing bracket for a gear hobbing machine, comprising a fixing plate (1) and a hobbing rod (6), characterized in that: The fixed plate (1) is provided with a lifting frame, a bearing seat (5) is installed on the lifting frame, the roller rod (6) is rotatably installed on the bearing seat (5) through a bearing, a driving mechanism for use with the lifting frame and the roller rod (6) is installed, a locking assembly is provided on one side of the driving mechanism, and a cooling assembly is provided at the bottom of the lifting frame; A first flange is welded to the bottom end of the hob rod (6), a second flange is mounted to the first flange via bolts, and a hob (3) is welded to the bottom end of the second flange.

2. A stabilizing bracket for a gear hobbing machine according to claim 1, characterized in that: The lifting frame comprises a slide groove (8) opened on one side of a fixed plate (1), a screw rod (9) is installed at the bottom end of the slide groove (8) through a bearing, an L-shaped mounting plate (2) is screwed on the screw rod (9), a first servo motor (10) is installed at the top end of the fixed plate (1), the output end of the first servo motor (10) is connected to the upper end of the screw rod (9) through a coupling, and a strip hole (13) is opened at the top of the vertical section of the L-shaped mounting plate (2).

3. A stabilizing bracket for a gear hobbing machine according to claim 2, characterized in that: The end of the horizontal section of the L-shaped mounting plate (2) is slidably engaged with the slide groove (8).

4. A stabilizing bracket for a gear hobbing machine according to claim 2, characterized in that: The driving mechanism comprises a second servo motor (7) mounted on the top of the horizontal section of the L-shaped mounting plate (2); the output end of the second servo motor (7) extends to the bottom of the horizontal section of the L-shaped mounting plate (2) and is mounted with a first gear (14); the outer wall of the hob rod (6) is fixed with a second gear (4) sleeved thereon; the side of the first gear (14) passes through the strip hole (13) and is meshed with the second gear (4).

5. A stabilizing bracket for a gear hobbing machine according to claim 4, characterized in that: The locking assembly comprises an electric push rod (18) mounted on the top of one side of the vertical section of the L-shaped mounting plate (2), one end of the electric push rod (18) is mounted with a connecting plate (16) via a flange, one end of the connecting plate (16) is mounted with a locking block (15) via a bolt, and one side of the locking block (15) is provided with a tooth groove (17) engaged with the teeth of the first gear (14).

6. A stabilizing bracket for a gear hobbing machine according to claim 2, characterized in that: The cooling assembly comprises a mounting hole (12) opened at the bottom of the vertical section of the L-shaped mounting plate (2), a nozzle (11) is mounted at the mounting hole (12) via a fixing card, and one end of the nozzle (11) is externally connected to a cooling water pipe.

7. A stabilizing bracket for a gear hobbing machine according to claim 2, characterized in that: The bottom end of the hob (3) extends below the vertical section of the L-shaped mounting plate (2).

8. A stabilizing bracket for a gear hobbing machine according to claim 1, characterized in that: The fixing plate (1) is provided with fixing holes, and four fixing holes are provided and are respectively located at the four corners of the fixing plate (1).

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