Bearing device for gear hobbing machine

Abstract

The utility model relates to the technical field of bearing devices for gear hobbing machines, and discloses a bearing device for a gear hobbing machine, which comprises a bottom plate and a top plate, a first inner groove is transversely arranged in the bottom plate, a first threaded rod is movably connected in the first inner groove, and the surface of the first threaded rod is in threaded connection with a center machine. According to the bearing device for the gear hobbing machine, vibration can be effectively reduced, a second motor is started to drive a first threaded rod and a center machine to move front and back, a second telescopic rod drives a center to move front and back, the first motor drives a first rotating shaft, a connecting column and the second telescopic rod to rotate, and the second telescopic rod drives a screw tap to stretch out and draw back; the connecting hole is formed in the screw tap and connected with the tip, the screw tap can be prevented from shaking and deviating when hobbing work is conducted on a workpiece, the position stability of the screw tap can be guaranteed, and therefore the problems that the integrity of the workpiece is affected and the working efficiency is reduced due to excessive vibration of a machine are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of a supporting device for a hobbing machine, and particularly relates to a supporting device for a hobbing machine. Background Art

[0002] A hobbing machine is a mechanical device used for gear processing. The supporting device plays an important role in it. The supporting device of the hobbing machine is mainly used to support the workpiece to ensure its stability, accuracy and reliability during the processing.

[0003] According to a supporting device for a hobbing machine with the patent number 202220862732.1, in this solution, the possibility of the gear being deformed due to the downward cutter force during processing is reduced, and the production quality of the gear is improved.

[0004] During the implementation of this application, the inventor found that at least the following problems exist in this technology:

[0005] 1. In the prior art, the workpiece needs to be manually placed and clamped before processing. The teeth on the hobbing surface are relatively sharp, and friction with the workpiece will generate heat. The hobbing machine during work is very close to the placement area, and it is easy to touch, scald or scratch when manually placing the workpiece, thus there are safety hazards.

[0006] 2. During the hobbing work, the vibration generated when the motor drives the machine will affect the density and accuracy of the hobbing. If there is a slight deviation, the workpiece will be discarded and cannot be used anymore, which will increase the cost and also affect the production efficiency of the workpiece. Content of the Utility Model

[0007] In view of the deficiencies of the prior art, the utility model provides a supporting device for a hobbing machine, which has the advantages of being able to automatically clamp the workpiece and reducing vibration during the hobbing work, and solves the problems proposed in the background art.

[0008] The utility model provides the following technical scheme: A supporting device for a hobbing machine, comprising: a bottom plate and a top plate. A first inner groove is horizontally opened inside the bottom plate. A first threaded rod is movably connected inside the first inner groove. A center drill is threadedly connected to the surface of the first threaded rod. A first telescopic rod is fixedly connected to the right side of the center drill. A center is fixedly connected to the outside of the first telescopic rod. A hobbing machine is fixedly connected to the right side of the upper surface of the bottom plate. A first rotating shaft is connected inside the hobbing machine. A connecting column is fixedly connected to the outside of the first rotating shaft. A second telescopic rod is fixedly connected to the outside of the connecting column. A tap is fixedly connected to the outside of the second telescopic rod. A connecting hole is opened inside the tap, and the connecting hole is engaged with the center.

[0009] Preferably, a fixed shell is fixedly connected to the top of the top plate. Two first damping rods are fixedly connected inside the fixed shell. A second spring is sleeved outside the two first damping rods. A fixed plate is fixedly connected to the side of the second spring. A connecting plate is fixedly connected to the top of the top plate. A first hydraulic cylinder is fixedly connected to the top of the connecting plate. A third telescopic rod is fixedly connected to the top of the first hydraulic cylinder. A screw reinforcement rod is fixedly connected to the bottom of the third telescopic rod. A threaded column is fixedly connected to the top of the fixed shell.

[0010] Preferably, a longitudinal second inner groove is formed inside the bottom plate. A second threaded rod is movably connected inside the second inner groove. A receiving column is threadedly connected to the surface of the second threaded rod. A second rotating shaft is connected inside the receiving column. A sixth motor is fixedly connected to the bottom of the second rotating shaft. The output shaft of the sixth motor is connected to the second rotating shaft. A load-bearing plate is fixedly connected to the top of the second rotating shaft. Four first springs are fixedly connected to the upper surface of the load-bearing plate.

[0011] Preferably, a second motor is fixedly connected to the outside of the bottom plate. The output shaft of the second motor is connected to the inside of the first threaded rod. A third motor is fixedly connected to the outside of the second threaded rod. The output shaft of the third motor is connected to the second threaded rod.

[0012] Preferably, a first motor is fixedly connected to one end of the first rotating shaft. A fifth motor is fixedly connected to the left side of the hobbing machine. The output shaft of the fifth motor is connected to the first telescopic rod.

[0013] Preferably, a fourth motor is fixedly connected to the top of the screw reinforcement rod. The output shaft of the fourth motor is connected to the screw reinforcement rod.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. For this kind of supporting device for hobbing machines, including the bottom plate, the first inner groove, the first threaded rod, the first telescopic rod, the top, the hobbing machine, the first rotating shaft, the connecting column, the second telescopic rod, the tap, the connecting hole, the second inner groove and the second threaded rod, the setting of this structure can effectively reduce vibration. Turn on the second motor to drive the first threaded rod and the top machine to move back and forth, the second telescopic rod drives the top to move back and forth, the first motor drives the first rotating shaft, the connecting column and the second telescopic rod to rotate, the second telescopic rod drives the tap to expand and contract, and a connecting hole is opened inside the tap and connected to the top, which can prevent the tap from trembling and shifting during the hobbing work on the workpiece to ensure its stable position, thus solving the problem of preventing the machine from vibrating too much, affecting the integrity of the workpiece and reducing the work efficiency.

[0016] 2. The supporting device for this kind of hobbing machine includes a receiving column, a second rotating shaft, a load-bearing plate, a first spring, a fixing plate, a first damping rod, a second spring, a fixed shell, a threaded column, a connecting plate, a third telescopic rod, and a screw reinforcement rod. With this structure, it can effectively clamp the workpiece automatically. Place the workpiece outside the fixing plate. The second spring can expand and contract according to the size of the workpiece to fix the workpiece. The first hydraulic cylinder drives the third telescopic rod and the screw reinforcement rod to press down. The inside of the threaded column is threaded. Place the screw on the threaded column and turn on the fourth motor to drive the screw reinforcement rod to rotate the screw, making the connection between the screw and the threaded column tighter, thereby making the workpiece more stable, eliminating the need for manual fastening and preventing scratches. This solves the problem of potential safety hazards caused by being scratched or scalded by the machine when manually fixing the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the center drill machine and the hobbing machine of the present invention;

[0019] Figure 3 It is a schematic diagram of the tap structure of the present invention;

[0020] Figure 4 It is a schematic diagram of the bottom plate structure of the present invention;

[0021] Figure 5 It is a schematic diagram of the receiving column structure of the present invention;

[0022] Figure 6 It is a schematic diagram of the top view structure of the present invention.

[0023] In the figure: 1. Bottom plate; 2. First inner groove; 3. First threaded rod; 4. First telescopic rod; 5. Center drill; 6. Hobbing machine; 7. First rotating shaft; 8. Connecting column; 9. Second telescopic rod; 10. Tap; 11. Connecting hole; 12. Second inner groove; 13. Second threaded rod; 14. Receiving column; 15. Second rotating shaft; 16. Load-bearing plate; 17. First spring; 18. Fixing plate; 19. First damping rod; 20. Second spring; 21. Fixed shell; 22. Threaded column; 23. Connecting plate; 24. Third telescopic rod; 25. Screw reinforcement rod; 26. First motor; 27. Second motor; 28. Third motor; 29. Fourth motor; 30. First hydraulic cylinder; 31. Fifth motor; 32. Center drill machine; 33. Top plate; 34. Sixth motor. DETAILED DESCRIPTION OF THE INVENTION

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figure 1-6 , a supporting device for a hobbing machine, comprising: a bottom plate 1 and a top plate 33. A first inner groove 2 is horizontally opened inside the bottom plate 1. A first threaded rod 3 is movably connected inside the first inner groove 2. A tip machine 32 is threadedly connected to the surface of the first threaded rod 3. A first telescopic rod 4 is fixedly connected to the right side of the tip machine 32. A tip 5 is fixedly connected to the outside of the first telescopic rod 4. A hobbing machine 6 is fixedly connected to the right side of the upper surface of the bottom plate 1. A first rotating shaft 7 is connected inside the hobbing machine 6. A connecting column 8 is fixedly connected to the outside of the first rotating shaft 7. A second telescopic rod 9 is fixedly connected to the outside of the connecting column 8. A tap 10 is fixedly connected to the outside of the second telescopic rod 9. A connecting hole 11 is opened inside the tap 10. The connecting hole 11 is engaged with the tip 5. Turning on the second motor 27 drives the first threaded rod 3 and the tip machine 32 to move back and forth. The second telescopic rod 9 drives the tip 5 to move back and forth. The first motor 26 drives the first rotating shaft 7, the connecting column 8, and the second telescopic rod 9 to rotate. The second telescopic rod 9 drives the tap 10 to expand and contract. A connecting hole 11 is opened inside the tap 10 and is connected to the tip 5, which can prevent the tap 10 from trembling and offsetting during the hobbing work on the workpiece to ensure its stable position.

[0026] Among them, a fixed shell 21 is fixedly connected to the top of the top plate 33. Two first damping rods 19 are fixedly connected inside the fixed shell 21. A second spring 20 is sleeved outside the two first damping rods 19. A fixing plate 18 is fixedly connected to the side of the second spring 20. A connecting plate 23 is fixedly connected to the top of the top plate 33. A first hydraulic cylinder 30 is fixedly connected to the top of the connecting plate 23. A third telescopic rod 24 is fixedly connected to the top of the first hydraulic cylinder 30. A screw reinforcement rod 25 is fixedly connected to the bottom of the third telescopic rod 24. A threaded column 22 is fixedly connected to the top of the fixed shell 21. Place the workpiece outside the fixing plate 18. The second spring 20 can expand and contract according to the size of the workpiece to fix the workpiece. The first hydraulic cylinder 30 drives the third telescopic rod 24 and the screw reinforcement rod 25 to press down. The inside of the threaded column 22 is threaded. Place the screw on the threaded column 22. Turn on the fourth motor 29 to drive the screw reinforcement rod 25 to rotate the screw, making the connection between the screw and the threaded column 22 tighter, thereby making the workpiece more stable without the need for manual fastening and preventing scratches.

[0027] Among them, a longitudinal second inner groove 12 is formed inside the bottom plate 1. A second threaded rod 13 is movably connected inside the second inner groove 12. A receiving column 14 is threadedly connected to the surface of the second threaded rod 13. A second rotating shaft 15 is connected inside the receiving column 14. A sixth motor 34 is fixedly connected to the bottom of the second rotating shaft 15. The output shaft of the sixth motor 34 is connected to the second rotating shaft 15. A bearing plate 16 is fixedly connected to the top of the second rotating shaft 15. Four first springs 17 are fixedly connected to the upper surface of the bearing plate 16. The multiple first springs 17 can play a role in shock absorption when the workpiece is gear hobbing, preventing excessive vibration and affecting the precision of gear hobbing. The sixth motor 34 can drive the fixed shell 21 to rotate, cooperate with the gear hobbing work of the gear hobbing machine 6, and make the gear hobbing on the outer periphery of the workpiece uniform.

[0028] Among them, a second motor 27 is fixedly connected to the outside of the bottom plate 1. The output shaft of the second motor 27 is connected to the inside of the first threaded rod 3. A third motor 28 is fixedly connected to the outside of the second threaded rod 13. The output shaft of the third motor 28 is connected to the second threaded rod 13. The third motor 28 drives the second threaded rod 13 to rotate, and the second threaded rod 13 drives the receiving column 14 to move back and forth, thereby adjusting the position of the workpiece.

[0029] Among them, a first motor 26 is fixedly connected to one end of the first rotating shaft 7. A fifth motor 31 is fixedly connected to the left side of the center drill 32. The output shaft of the fifth motor 31 is connected to the first telescopic rod 4. The fifth motor 31 can drive the center drill 5 to rotate and be tightly connected to the connection hole 11, preventing vibration when the tap 10 is working.

[0030] Among them, a fourth motor 29 is fixedly connected to the top of the screw reinforcement rod 25. The output shaft of the fourth motor 29 is connected to the screw reinforcement rod 25.

[0031] Working principle: When in use, place the workpiece outside the fixing plate 18. The second spring 20 can expand and contract according to the size of the workpiece to fix the workpiece. The first hydraulic cylinder 30 drives the third telescopic rod 24 and the screw reinforcement rod 25 to press down. The inside of the threaded column 22 is threaded. Place the screw on the threaded column 22. Turn on the fourth motor 29 to drive the screw reinforcement rod 25 to rotate the screw, making the connection between the screw and the threaded column 22 tighter, so that the workpiece is more stable without the need for manual fastening to prevent scratching. Then turn on the second motor 27 to drive the first threaded rod 3 and the tip machine 32 to move back and forth, and the second telescopic rod 9 drives the tip 5 to move back and forth. The first motor 26 drives the first rotating shaft 7, the connecting column 8, and the second telescopic rod 9 to rotate and the tap 10 to perform hobbing work. The second telescopic rod 9 drives the tap 10 to expand and contract. A connection hole 11 is opened inside the tap 10 and connected to the tip 5, which can prevent the tap 10 from trembling and offsetting during the hobbing work on the workpiece to ensure its stable position. The first spring 17 can play a role in damping when the workpiece is hobbed to prevent excessive trembling and affecting the precision of hobbing. The sixth motor 34 can drive the fixed shell 21 to rotate, cooperating with the hobbing work of the hobbing machine 6 to make the hobbing on the outer circumference of the workpiece uniform.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A supporting device for a hobbing machine, characterized in that, Including: A bottom plate (1) and a top plate (33). A first inner groove (2) is transversely opened inside the bottom plate (1). A first threaded rod (3) is movably connected inside the first inner groove (2). A tip machine (32) is threadedly connected to the surface of the first threaded rod (3). A first telescopic rod (4) is fixedly connected to the right side of the tip machine (32). A tip (5) is fixedly connected to the outside of the first telescopic rod (4). A hobbing machine (6) is fixedly connected to the right side of the upper surface of the bottom plate (1). A first rotating shaft (7) is connected inside the hobbing machine (6). A connecting column (8) is fixedly connected to the outside of the first rotating shaft (7). A second telescopic rod (9) is fixedly connected to the outside of the connecting column (8). A tap (10) is fixedly connected to the outside of the second telescopic rod (9). A connecting hole (11) is opened inside the tap (10), and the connecting hole (11) meshes with the tip (5).

2. The supporting device for a hobbing machine according to claim 1, wherein: A fixed shell (21) is fixedly connected to the top of the top plate (33). Two first damping rods (19) are fixedly connected inside the fixed shell (21). A second spring (20) is sleeved outside the two first damping rods (19). A fixing plate (18) is fixedly connected to the side of the second spring (20). A connecting plate (23) is fixedly connected to the top of the top plate (33). A first hydraulic cylinder (30) is fixedly connected to the top of the connecting plate (23). A third telescopic rod (24) is fixedly connected to the top of the first hydraulic cylinder (30). A screw reinforcement rod (25) is fixedly connected to the bottom of the third telescopic rod (24). A threaded column (22) is fixedly connected to the top of the fixed shell (21).

3. The supporting device for a hobbing machine according to claim 1, characterized in that: A longitudinal second inner groove (12) is opened inside the bottom plate (1). A second threaded rod (13) is movably connected inside the second inner groove (12). A receiving column (14) is threadedly connected to the surface of the second threaded rod (13). A second rotating shaft (15) is connected inside the receiving column (14). A sixth motor (34) is fixedly connected to the bottom of the second rotating shaft (15). The output shaft of the sixth motor (34) is connected to the second rotating shaft (15). A load-bearing plate (16) is fixedly connected to the top of the second rotating shaft (15). Four first springs (17) are fixedly connected to the upper surface of the load-bearing plate (16).

4. A supporting device for a hobbing machine according to claim 3, characterized in that: A second motor (27) is fixedly connected to the outside of the bottom plate (1). The output shaft of the second motor (27) is connected to the inside of the first threaded rod (3). A third motor (28) is fixedly connected to the outside of the second threaded rod (13). The output shaft of the third motor (28) is connected to the second threaded rod (13).

5. The supporting device for a hobbing machine according to claim 2, characterized in that: A first motor (26) is fixedly connected to one end of the first rotating shaft (7). A fifth motor (31) is fixedly connected to the left side of the tip machine (32). The output shaft of the fifth motor (31) is connected to the first telescopic rod (4).

6. The supporting device for a hobbing machine according to claim 2, characterized in that: The top of the screw reinforcement rod (25) is fixedly connected with a fourth motor (29), and the output shaft of the fourth motor (29) is connected to the screw reinforcement rod (25).

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