Internal tooth chamfering machine

Abstract

The utility model is suitable for the technical field of gear machining, and provides an internal tooth chamfering machine which comprises a machine box, a chamfering mechanism, a chamfering mechanism, a chamfering mechanism and a chamfering mechanism. The interior of the machine box is a cavity, and a workbench is arranged at the bottom of the cavity. The bearing mechanism is installed on the workbench and used for bearing the machined inner gear; the rotating mechanism is arranged at the bottom of the bearing mechanism and used for driving the inner gear to rotate; the inner gear can be driven to rotate through the rotating mechanism, chamfering operation can be conveniently and evenly conducted on the inner gear, the servo mechanism is arranged, the inner gear is conveniently driven by the rotating mechanism to be matched with the inner gear to rotate on the bearing mechanism, and the inner gear rotates on the bearing mechanism more stably; by arranging the first grinding mechanism and the second grinding mechanism, upper and lower inner teeth of the internal gear can be ground at the same time, the chamfering work efficiency is greatly improved, by arranging the PLC, all the mechanisms can be conveniently controlled to conduct chamfering operation on the internal gear, and the labor intensity of workers is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing, in particular to an internal gear chamfering machine. Background Art

[0002] With the continuous development of my country's advanced manufacturing industry, the requirements for gear quality are also increasing. Gear chamfering is an important measure to improve gear quality. Gear chamfering can reduce the noise during gear meshing; improve meshing accuracy and reduce meshing impact; reduce stress concentration during heat treatment; and increase the service life of the gear. At the same time, the chamfered gear has the advantages of beautiful appearance and no burrs, and it is not easy for workers to scratch their hands during assembly and debugging.

[0003] The existing small gears are no longer limited to manual chamfering, and machine tools are gradually used to replace manual chamfering. However, large gears often need to be chamfered manually, which has low efficiency, high labor intensity and uneven chamfering. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an internal gear chamfering machine, which solves the problems in the prior art that large gears often need to be chamfered manually, the manual chamfering has low efficiency, high labor intensity and uneven chamfering.

[0005] According to an embodiment of the utility model, an internal gear chamfering machine comprises: a chassis, the interior of the chassis is a cavity, and the bottom of the cavity is a workbench; a bearing mechanism, the bearing mechanism is installed on the workbench and is used to carry and process the internal gear; a rotating mechanism, the rotating mechanism is arranged at the bottom of the bearing mechanism and is used to drive the internal gear to rotate; a servo mechanism, the servo mechanism is provided with a plurality of groups, which are sequentially installed on the bearing mechanism and are used to serve the rotation of the internal gear; a first grinding mechanism, the first grinding mechanism is installed on the workbench and is located on one side of the bearing mechanism, and is used to grind the bottom of the internal gear; a second grinding mechanism, the second grinding mechanism is installed on the workbench and is located on the side of the bearing mechanism away from the first grinding mechanism, and is used to grind the top of the internal gear; a PLC controller, the PLC controller is installed on the chassis and is used to control the operation of each mechanism.

[0006] Preferably, the bearing mechanism comprises: a bearing plate, the bearing plate is tiltedly arranged on the workbench and supported and fixed on both sides by diagonal bracing rods, the bearing plate is disc-shaped and has a grinding groove on the top.

[0007] Preferably, the rotating mechanism includes: a rotating wheel, which is rotatably connected to the two ends of the bottom of the supporting plate, the rotating shaft of the rotating wheel passes through the supporting plate, and a transmission wheel is arranged on the rotating shaft on the side away from the rotating wheel; a transmission belt, which is sleeved on the transmission wheels on both sides, and the transmission belt is transmission-connected to the transmission wheel; a transmission motor, which is fixedly mounted on the supporting plate, and the output end of the transmission motor is transmission-connected to the transmission belt.

[0008] Preferably, the servo mechanism comprises: a rotating roller support frame, the rotating roller support frame is fixedly connected to the carrying plate; and a servo rotating roller, the servo rotating roller is rotatably connected to the rotating roller support frame.

[0009] Preferably, the first grinding mechanism includes: a first sliding table, which is installed on the workbench; a first slider, which is installed on the first sliding table, and a first support rod is arranged on the top of the first slider; a first motor support frame, which is arranged on the first support rod; a first grinding motor, which is fixedly installed on the first motor support frame, and a first grinding knife is fixedly connected to the output end of the first motor support frame.

[0010] Preferably, the second grinding mechanism includes: a second sliding table, the second sliding table is installed on the workbench; a second slider, the second slider is installed on the second sliding table, and a second support rod is arranged on the top of the second slider; a second motor support frame, the second motor support frame is arranged on the second support rod; a second grinding motor, the second grinding motor is fixedly mounted on the second motor support frame, and a second grinding knife is fixedly connected to the output end of the second motor support frame.

[0011] Preferably, the chassis is provided with a chassis door, and the chassis door is slidably connected to the chassis via a slide groove.

[0012] Preferably, the workbench is provided with a collecting groove at the bottom of the supporting mechanism, and the collecting groove is used to collect debris generated by grinding.

[0013] Preferably, an encoder is also provided on one of the rotating roller support frames, and the encoder is used to detect the motion state information of the servo rotating roller and transmit the information to the PLC controller.

[0014] Compared with the prior art, the utility model has the following beneficial effects: by providing a rotating mechanism, the internal gear can be driven to rotate by the rotating mechanism, so that the chamfering operation on the internal gear can be performed conveniently and evenly; by providing a servo mechanism, the internal gear can be driven by the rotating mechanism and cooperate with the internal gear to rotate on the carrying mechanism, so that the rotation of the internal gear on the carrying mechanism is more stable; by providing a first grinding mechanism and a second grinding mechanism, the upper and lower internal teeth of the internal gear can be ground at the same time, which greatly improves the efficiency of the chamfering work; by providing a PLC controller, it is convenient to control each mechanism to perform chamfering operations on the internal gear, which greatly reduces the intensity of manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure from top view;

[0017] Figure 3 for Figure 1 Schematic diagram of the internal structure (without the chassis shell);

[0018] Figure 4 for Figure 3 Schematic diagram of the structure from the middle side.

[0019] In the above drawings: 1. chassis; 2. bearing mechanism; 21. bearing plate; 22. diagonal support rod; 3. rotating mechanism; 31. rotating wheel; 32. transmission belt; 33. transmission motor; 4. servo mechanism; 41. rotating roller support frame; 42. servo rotating roller; 5. first grinding mechanism; 51. first sliding table; 52. first slider; 53. first support rod; 54. first motor support frame; 55. first grinding motor; 56. first grinding knife; 6. second grinding mechanism; 61. second sliding table; 62. second slider; 63. second support rod; 64. second motor support frame; 65. second grinding motor; 66. second grinding knife; 7. PLC controller; 8. chassis door; 9. collecting tank; 10. internal gear. DETAILED DESCRIPTION

[0020] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1 As shown, the embodiment of the utility model provides an internal gear chamfering machine, comprising:

[0022] A chassis 1, wherein the interior of the chassis 1 is a cavity, and the bottom of the cavity is a workbench;

[0023] A carrying mechanism 2, which is mounted on a workbench and is used to carry and process the internal gear 10;

[0024] The rotating mechanism 3 is arranged at the bottom of the supporting mechanism 2 and is used to drive the internal gear 10 to rotate;

[0025] The servo mechanism 4 is provided with a plurality of groups, which are sequentially mounted on the supporting mechanism 2 and are used for servoing the rotation of the internal gear 10;

[0026] A first grinding mechanism 5, which is installed on the workbench and located on one side of the supporting mechanism 2, and is used for grinding the bottom of the internal gear 10;

[0027] A second grinding mechanism 6, which is installed on the workbench and located on the side of the supporting mechanism 2 away from the first grinding mechanism 5, and is used for grinding the top of the internal gear 10;

[0028] PLC controller 7: PLC controller 7 is installed on the chassis 1 and is used to control the operation of various mechanisms.

[0029] In this embodiment, by providing a chassis 1, it is convenient to install each chamfering mechanism in the chassis 1. By providing a carrying mechanism 2, it is convenient to carry the large internal gear 10 that needs to be processed. By providing a rotating mechanism 3, it can be used to transmit the internal gear 10. During the chamfering work, the internal gear 10 can be driven to rotate by the rotating mechanism 3, so that the internal gear 10 can be chamfered evenly. By providing a servo mechanism 4, it is convenient for the internal gear 10 to rotate on the carrying mechanism 2 under the drive of the rotating mechanism 3, so that the rotation of the internal gear 10 on the carrying mechanism 2 is more stable. By providing a first grinding mechanism 5 and a second grinding mechanism 6, the upper and lower internal teeth of the internal gear 10 can be ground at the same time, which greatly improves the efficiency of the chamfering work. By providing a PLC controller 7, it is convenient to control each mechanism to perform chamfering operations on the internal gear 10, which greatly reduces the intensity of manual labor.

[0030] Further Figure 2 and Figure 4 As shown, the supporting mechanism 2 includes:

[0031] The carrying plate 21 is tiltedly arranged on the workbench and supported and fixed on both sides by diagonal bracing rods 22 . The carrying plate 21 is disc-shaped and has a grinding groove on the top.

[0032] In the present embodiment, the supporting plate 21 is tiltedly arranged on the workbench and is supported and fixed by diagonal support rods 22 on both sides, wherein the diagonal support rods 22 are liftable sleeve rods, both ends of the diagonal support rods 22 are rotatably connected by ball joints, and the bottom of the supporting plate 21 is rotatably connected to the workbench by a hinge, and the angle of the supporting plate 21 can be freely adjusted by the diagonal support rods 22, thereby greatly improving the application range of the supporting plate 21, wherein a grinding groove is provided at the top of the supporting plate 21, which is convenient for the second grinding mechanism 6 to chamfer the internal gear 10.

[0033] In addition, Figure 3 and Figure 4 As shown, the rotating mechanism 3 includes:

[0034] The rotating wheel 31 is rotatably connected to the two ends of the bottom of the carrier plate 21. The rotating shaft of the rotating wheel 31 passes through the carrier plate 21. A transmission wheel is arranged on the rotating shaft on the side away from the rotating wheel 31.

[0035] A transmission belt 32, which is sleeved on the transmission wheels on both sides and is connected to the transmission wheels in a transmission manner;

[0036] The transmission motor 33 is fixedly mounted on the carrier plate 21 , and the output end of the transmission motor 33 is transmission-connected to the transmission belt 32 .

[0037] In this embodiment, rotating wheels 31 are provided at both ends of the bottom of the carrier plate 21, and the bottom of the internal gear 10 is in contact with the rotating wheels 31, so that the internal gear 10 is conveniently placed on the carrier plate 21. Driven by the transmission motor 33, the transmission wheel on the back side of the rotating wheel 31 can be driven by the transmission belt 32. The rotating wheel 31 is fixed by the rotating shaft, thereby driving the rotating wheel 31 to rotate, driving the internal gear 10 to rotate, and facilitating the uniform chamfering operation of the internal gear 10.

[0038] Further Figure 1 and Figure 4 As shown, the servo mechanism 4 includes:

[0039] A rotating roller support frame 41, wherein the rotating roller support frame 41 is fixedly connected to the carrier plate 21;

[0040] The servo rotating roller 42 is rotatably connected to the rotating roller support frame 41 .

[0041] In this embodiment, a rotating roller support frame 41 is provided on the carrier plate 21, and a servo rotating roller 42 is rotatably connected to the rotating roller support frame 41, wherein the carrier plate 21 is provided with a slot at the servo rotating roller 42, so that the servo rotating roller 42 can protrude from the bearing surface of the carrier plate 21, thereby facilitating the internal gear 10 to fit the servo rotating roller 42, wherein a plurality of servo mechanisms 4 are provided, which are sequentially installed on the carrier plate 21, so that the internal gear 10 can rotate on the carrier mechanism 2 under the drive of the rotating mechanism 3, thereby making the rotation of the internal gear 10 on the carrier mechanism 2 more stable.

[0042] In addition, Figure 2 and Figure 3 As shown, the first grinding mechanism 5 includes:

[0043] A first sliding table 51, the first sliding table 51 is installed on the workbench;

[0044] A first sliding block 52, the first sliding block 52 is mounted on the first sliding platform 51, and a first supporting rod 53 is disposed on the top of the first sliding block 52;

[0045] A first motor support frame 54, the first motor support frame 54 is arranged on the first support rod 53;

[0046] The first grinding motor 55 is fixedly mounted on the first motor support frame 54 , and a first grinding knife 56 is fixedly connected to the output end of the first motor support frame 54 .

[0047] In this embodiment, a first sliding table 51 is provided, a first sliding block 52 is slidably fixed on the first sliding table 51, a first support rod 53 is fixedly connected to the top of the first sliding table 51, a first motor support frame 54 is slidably fixed on the first support rod 53, a first grinding motor 55 is fixed on the first motor support frame 54, and the first motor support frame 54 facilitates the installation of the first grinding motor 55. By driving the first grinding motor 55, the bottom of the internal gear 10 is chamfered by the first grinding knife 56.

[0048] Further Figure 2 and Figure 4 As shown, the second grinding mechanism 6 includes:

[0049] A second sliding table 61, the second sliding table 61 is installed on the workbench;

[0050] A second slider 62, which is mounted on the second sliding platform 61, and a second supporting rod 63 is disposed on the top of the second slider 62;

[0051] A second motor support frame 64, which is disposed on the second support rod 63;

[0052] The second grinding motor 65 is fixedly mounted on the second motor support frame 64 , and a second grinding knife 66 is fixedly connected to the output end of the second motor support frame 64 .

[0053] In this embodiment, a second sliding table 61 is provided, a second sliding block 62 is slidably fixed on the second sliding table 61, a second support rod 63 is fixedly connected to the top of the second sliding table 61, a second motor support frame 64 is slidably fixed on the second support rod 63, a second grinding motor 65 is fixed on the second motor support frame 64, and the second motor support frame 64 facilitates the installation of the second grinding motor 65. By driving the second grinding motor 65, the top of the internal gear 10 is chamfered by the second grinding knife 66.

[0054] Specifically, Figure 1 and Figure 2 As shown, a chassis door 8 is provided on the chassis 1, and the chassis door 8 is slidably connected to the chassis 1 through a sliding groove.

[0055] In this embodiment, a slidable chassis door 8 is provided on the chassis 1. When working, the chassis 1 can be closed by the chassis door 8 to play a protective role.

[0056] If you need to explain Figure 2 As shown, a collecting groove 9 is provided at the bottom of the workbench located at the supporting mechanism 2, and the collecting groove 9 is used to collect the debris generated by grinding.

[0057] In this embodiment, a collecting groove 9 is provided at the bottom of the workbench located at the supporting mechanism 2 , so as to facilitate the collection of the debris generated by the first grinding mechanism 5 and the second grinding mechanism 6 during the chamfering operation.

[0058] Preferably, an encoder is also provided on one of the rotating roller support frames 41, and the encoder is used to detect the motion state information of the servo rotating roller 42 and transmit the information to the PLC controller 7; since the rotating mechanism, the first grinding mechanism and the second grinding mechanism are all electrically connected to the PLC controller 7, and the servo rotating roller 42 and the internal gear 10 are in a supporting relationship, and the servo rotating roller 42 is rotatably installed on the rotating roller support frame, that is, when the rotating mechanism drives the internal gear 10 to rotate, the servo rotating roller 42 will also rotate with the internal gear 10, and the encoder captures the state information of the servo rotating roller 42 in rotation at this time and transmits it to the PLC controller 7, and the PLC controller 7 thereby determines that the entire internal gear is in reverse rotation at this time. The chamfering machine is in normal working state. When the rotating wheel 31 slips during driving the internal gear 10 to rotate (i.e. the rotating wheel 31 idles and the internal gear 10 does not rotate), the encoder transmits the information that the servo rotating roller 42 stops rotating to the PLC controller 7. That is, the PLC controller 7 knows that the internal gear chamfering machine is in an abnormal working state at this time. The PLC controller 7 controls the first grinding mechanism 5 and the second grinding mechanism 6 to stop working to prevent the first grinding mechanism 5 and the second grinding mechanism 6 from processing the same part of the internal gear for a long time and damaging the internal gear. Furthermore, an alarm can be provided, which is electrically connected to the PLC controller 7. When the internal gear chamfering machine is in an abnormal working state, the alarm sounds an alarm.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An internal gear chamfering machine, characterized in that: include: A chassis (1), wherein the interior of the chassis (1) is a cavity, and the bottom of the cavity is a workbench; A bearing mechanism (2), the bearing mechanism (2) being mounted on a workbench and used for bearing and processing an internal gear (10); A rotating mechanism (3), the rotating mechanism (3) being arranged at the bottom of the supporting mechanism (2) and being used for driving the internal gear (10) to rotate; A servo mechanism (4), wherein the servo mechanism (4) is provided with a plurality of groups, which are sequentially mounted on the supporting mechanism (2) and are used for servoing the rotation of the internal gear (10); A first grinding mechanism (5), which is installed on a workbench and located on one side of the supporting mechanism (2), and is used for grinding the bottom of the internal gear (10); A second grinding mechanism (6), the second grinding mechanism (6) being installed on the workbench and located on a side of the supporting mechanism (2) away from the first grinding mechanism (5), and being used for grinding the top end of the internal gear (10); A PLC controller (7), which is installed on the chassis (1) and is used to control the operation of each mechanism.

2. An internal gear chamfering machine according to claim 1, characterized in that: The bearing mechanism (2) comprises: The carrying plate (21) is tiltedly arranged on the workbench and supported and fixed on both sides by diagonal bracing rods (22). The carrying plate (21) is disc-shaped and has a grinding groove at the top.

3. An internal gear chamfering machine as claimed in claim 2, characterized in that: The rotating mechanism (3) comprises: A rotating wheel (31), the rotating wheel (31) is rotatably connected to the two ends of the bottom of the carrying plate (21), the rotating shaft of the rotating wheel (31) passes through the carrying plate (21), and a transmission wheel is arranged on the rotating shaft on the side away from the rotating wheel (31); A transmission belt (32), wherein the transmission belt (32) is sleeved on the transmission wheels at both sides, and the transmission belt (32) is transmission-connected to the transmission wheels; A transmission motor (33), wherein the transmission motor (33) is fixedly mounted on the carrier plate (21), and an output end of the transmission motor (33) is transmission-connected to a transmission belt (32).

4. An internal gear chamfering machine as claimed in claim 2, characterized in that: The servo mechanism (4) comprises: A rotating roller support frame (41), wherein the rotating roller support frame (41) is fixedly connected to the carrying plate (21); A servo rotating roller (42), wherein the servo rotating roller (42) is rotatably connected to the rotating roller support frame (41).

5. The internal gear chamfering machine according to claim 1, characterized in that: The first grinding mechanism (5) comprises: A first sliding table (51), wherein the first sliding table (51) is installed on a workbench; A first sliding block (52), the first sliding block (52) being mounted on the first sliding platform (51), and a first supporting rod (53) being disposed at the top end of the first sliding block (52); A first motor support frame (54), wherein the first motor support frame (54) is arranged on the first support rod (53); A first grinding motor (55), wherein the first grinding motor (55) is fixedly mounted on a first motor support frame (54), and a first grinding knife (56) is fixedly connected to an output end of the first motor support frame (54).

6. An internal gear chamfering machine according to claim 1, characterized in that: The second grinding mechanism (6) comprises: A second sliding table (61), wherein the second sliding table (61) is installed on the workbench; A second sliding block (62), the second sliding block (62) being mounted on the second sliding platform (61), and a second supporting rod (63) being disposed at the top end of the second sliding block (62); A second motor support frame (64), wherein the second motor support frame (64) is arranged on the second support rod (63); A second grinding motor (65), wherein the second grinding motor (65) is fixedly mounted on a second motor support frame (64), and a second grinding knife (66) is fixedly connected to an output end of the second motor support frame (64).

7. An internal gear chamfering machine according to claim 1, characterized in that: The chassis (1) is provided with a chassis door (8), and the chassis door (8) is slidably connected to the chassis (1) via a sliding groove.

8. An internal gear chamfering machine according to claim 1, characterized in that: The workbench is provided with a collecting groove (9) at the bottom of the supporting mechanism (2), and the collecting groove (9) is used to collect debris generated by grinding.

9. An internal gear chamfering machine as claimed in claim 4, characterized in that: An encoder is also provided on one of the rotating roller support frames (41), and the encoder is used to detect the motion state information of the servo rotating roller (42) and transmit the information to the PLC controller (7).

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