Gear drilling and chamfering integrated device

Abstract

The application discloses a gear drilling and chamfering integrated device, which comprises a drilling machine main body, which is provided with a fixing assembly, a locating assembly and a placing seat. The fixing assembly comprises a fixing ring and the placing seat which is rotationally arranged and horizontally arranged in a default state. The locating assembly comprises a locating column which is axially slidably arranged in a first through hole. The gear drilling and chamfering integrated device provided by the application is turned over by 180 degrees by the placing seat to restore the default state, so that the gear to be processed is turned over without loosening the clamping and changing the axial position, the locating column can be axially lifted into a stepped groove to check the axial position of the gear to be processed, then the first through hole can be used to process the other end surface of the gear to be processed, the completed clamping does not need to be disassembled, and the axial tool setting of the gear to be processed does not need to be additionally performed, so that the processing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of gear processing equipment technology, and more specifically to a gear drilling and chamfering integrated equipment. Background Technology

[0002] A gear structure typically includes multiple through holes evenly arranged along its circumference and penetrating its axial direction on the end face of the gear and located inside the gear transmission teeth. The two ends of the through holes usually have a chamfered structure.

[0003] According to publication number CN218592287U, publication date: March 10, 2023, a gear drilling and chamfering integrated device is disclosed, which relates to the field of gear processing technology. It includes a three-coordinate drilling machine body, which includes a table. A fixed shaft is installed on the top of the table. A base is installed on one side of the three-coordinate drilling machine body. A vertical plate is installed on the top of the base. A lifting mechanism is connected to one side of the vertical plate. A rotating mechanism is provided on one side of the lifting mechanism. A clamping mechanism is provided on one side of the rotating mechanism. The lifting mechanism includes a first lead screw. Both ends of the first lead screw are rotatably connected to a first retaining seat. One side of the first retaining seat is fixedly connected to one side of the vertical plate. A first movable block is fitted on the outside of the first lead screw. A first motor is installed on the top of one of the first retaining seats. The output end of the first motor is connected to one end of the first lead screw.

[0004] In the prior art, including the aforementioned patents, the existing gear processing requires first clamping the gear and drilling and chamfering its end face. Then, a clamping mechanism, a lifting mechanism, and a rotating mechanism are used to raise the gear, flip it, and then lower it again to complete the gear flipping. This allows chamfering to be done on the other end of the drilled hole on the gear. However, the lifting, rotating, and clamping mechanisms work together to raise, lower, and flip the gear after it is released from the clamp, which makes the clamping position of the gear uncertain. Therefore, manual tool setting is required again before chamfering, which reduces processing efficiency. Summary of the Invention

[0005] The purpose of this invention is to provide an integrated gear drilling and chamfering device to solve the problem that manual tool setting is required again after the gear is flipped through the cooperation of a lifting mechanism, a rotating mechanism and a clamping mechanism.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a gear drilling and chamfering integrated device, comprising a gear to be processed having a central hole thereon, and a drilling machine body having:

[0007] A fixing component includes a fixing ring and a rotatable placement seat that is horizontal by default. The placement seat has a stepped groove arranged coaxially and a first through hole penetrating the stepped groove. The fixing ring has a stepped ring, and the positioning ring has a second through hole penetrating the stepped ring. The positioning ring is fixed to the placement seat by bolts to clamp the gear to be processed in the stepped groove, and the first through hole and the second through hole are coaxial.

[0008] A positioning assembly includes a positioning post that is driven to slide axially into a first through hole. The positioning post is coaxially arranged with the first through hole of the placement seat in the default state. The positioning post is driven to slide and embed into the center hole of the gear to be processed.

[0009] Preferably, the placement seat has a positioning ring groove, the fixing ring has a positioning ring part, and the fixing ring is bolted to the placement seat so that the positioning ring part is fitted into the positioning ring groove.

[0010] Preferably, the end of the first through hole facing away from the stepped groove is provided with a first inclined annular surface, and the end of the second through hole facing away from the positioning annular groove is provided with a second inclined annular surface.

[0011] Preferably, the placement seat is provided with a connecting end for connecting a coolant pipe, and the placement seat has a main channel communicating with the connecting end. The outlet of the main channel is arranged in a circumferential array on the second inclined ring surface, and a second rotating wheel is rotatably provided at the outlet of the main channel. The outlet of the main channel faces the side of the second rotating wheel away from the stepped groove to drive the second rotating wheel to rotate.

[0012] Preferably, the positioning ring groove is provided with an embedding part, and the positioning ring part is provided with a fitting groove.

[0013] Preferably, the placement seat has a secondary flow channel connected to the main flow channel, the fixing ring has a matching flow channel, the embedding part is fitted into the fitting groove so that the matching flow channel is connected to the secondary flow channel, and the outlet of the matching flow channel is circumferentially arrayed on the first inclined ring surface, and a first rotating wheel is rotatably provided at the outlet of the matching flow channel, and the outlet of the matching flow channel faces the side of the first rotating wheel away from the positioning ring to drive the first rotating wheel to rotate.

[0014] Preferably, a flexible support member is fixedly provided on the fixing ring, and the fixing ring is bolted to the placement seat to clamp the flexible support member.

[0015] Preferably, the positioning assembly further includes a sliding seat slidably disposed within the drilling machine body and a first drive motor fixedly connected to the sliding seat. The positioning post is provided with a threaded portion, which is threadedly installed in a lifting threaded hole opened within the drilling machine body, and the positioning post is fixedly connected to the output end of the first drive motor.

[0016] In the above technical solution, the gear drilling and chamfering integrated device provided by the present invention has the following beneficial effects: Utilizing the fixing component and positioning component set on the main body of the drilling machine, the placement seat is first in a horizontal default state, allowing the positioning column to slide axially into the stepped groove, and the gear to be processed is placed in the stepped groove through the positioning column. Then, the fixing ring bolt is connected to the placement seat to clamp the gear to be processed in the stepped groove. At this time, the end face of the gear to be processed can be processed through the second through hole. Subsequently, the positioning column can be moved axially downward away from the fixing component. Then, the placement seat is rotated 180 degrees and returned to the default state. At this time, the gear to be processed has completed the flipping without loosening the clamp and without changing the axis position. The positioning column can then be raised axially again to enter the stepped groove to check the axis position of the gear to be processed. Subsequently, the other end face of the gear to be processed can be processed through the first through hole. It is not necessary to disassemble the completed clamp and there is no need to perform additional axis tool setting of the gear to be processed, thereby improving the processing efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 A schematic diagram illustrating the overall structure of an embodiment of the present invention;

[0019] Figure 2 This is a schematic cross-sectional view of the overall structure provided for an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the positioning component and fixing component provided in an embodiment of the present invention;

[0021] Figure 4 This is an exploded structural diagram of the fixing component provided in an embodiment of the present invention;

[0022] Figure 5 This is an exploded structural diagram of the fixing component provided in an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of a partial method at point A provided in an embodiment of the present invention.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Drilling machine body; 11. Lifting threaded hole; 12. Sliding groove; 2. Fixing assembly; 21. Placement seat; 211. Stepped groove; 212. First through hole; 213. Positioning ring groove; 214. Fixing threaded hole; 215. Embedded part; 216. Rotating part; 217. Connecting end; 218. Main flow channel; 219. Secondary flow channel; 22. Fixing ring; 221. Stepped ring; 222. Second through hole; 223. Positioning ring; 224, mating hole; 225, fitting groove; 226, mating flow channel; 23, flexible support; 3, positioning assembly; 31, positioning post; 311, threaded part; 32, first drive motor; 33, sliding seat; 4, drill bit seat assembly; 51, first rotating wheel; 52, second rotating wheel; 61, first inclined annular surface; 62, second inclined annular surface; 7, second drive motor; 9, gear to be processed; 91, center hole. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0027] like Figure 1-6 As shown, a gear drilling and chamfering integrated device includes a gear 9 to be processed, on which a center hole 91 is formed, and a drilling machine body 1, on which:

[0028] The fixing component 2 includes a fixing ring 22 and a placement seat 21 that is rotatably configured and is horizontal in the default state. The placement seat 21 has a stepped groove 211 arranged coaxially and a first through hole 212 that passes through the stepped groove 211. The fixing ring 22 has a stepped ring 221 and a second through hole 222 that passes through the stepped ring 221. The fixing ring 22 is fixed to the placement seat 21 by bolts to clamp the gear 9 to be processed in the stepped groove 211. The first through hole 212 and the second through hole 222 are coaxial.

[0029] The positioning component 3 includes a positioning post 31 that is driven to slide axially into the first through hole 212. The positioning post 31 is coaxially arranged with the first through hole 212 of the placement seat 21 in the default state. The positioning post 31 is driven to slide to be embedded in the center hole 91 of the gear 9 to be processed.

[0030] Specifically, such as Figure 1As shown, a drill bit holder assembly 4 is also provided on the drill body 1. The drill bit holder assembly 4 is used to mount drill bits and other cutting tools and drive the cutting tools to rotate for gear machining. The placement seat 21 is rotatably mounted on the drill body 1 via a rotating part 216 and can rotate 360 ​​degrees. The placement seat 21 is driven to rotate by a second drive motor 7 installed inside the drill body 1. The positioning post 31 of the positioning assembly 3 is axially slidably mounted on the drill body 1. Initially, the placement seat 21 is horizontal in the default state, and the stepped groove 211 is vertically facing upwards. Subsequently, the positioning post 31 can be axially slidably mounted on the drill body 1. The gear 9 to be processed is inserted into the stepped groove 211 through the first through hole 212. At this time, the gear 9 to be processed can be placed in the stepped groove 211, and the center hole 91 of the gear 9 to be processed is sleeved on the positioning post 31. Then, the fixing ring 22 is bolted to the fixing threaded hole 214 on the placement seat 21 through the mating hole 224 on it. At this time, the stepped ring 221 of the fixing ring 22 will coaxially clamp the gear 9 to be processed in the stepped groove 211 to complete the clamping and fixing. Then, the drill bit assembly 4 and the second through hole 222 can be used to drill and chamfer the upward end face of the gear 9 to be processed.

[0031] After drilling and chamfering one end face of the gear 9 to be processed, the positioning pin 31 slides axially away from the placement seat 21 to move out of the rotation range of the placement seat 21. Then, the placement seat 21 rotates 180 degrees so that the other end face of the gear 9 to be processed faces upward, and the placement seat 21 is back in the default state. At this time, the gear 9 to be processed has been flipped without being released from the clamp and without changing its axial position. It can then be axially raised again by the positioning pin 31 into the stepped groove 211 to check the axial position of the gear 9 to be processed. Subsequently, the other end face of the gear 9 to be processed can be chamfered through the first through hole 212 without disassembling the completed clamp and without additional axial tool setting of the gear 9 to be processed, thereby improving processing efficiency. Secondly, the tooth surface of the gear 9 to be processed is shielded in the stepped groove 211 by the stepped groove 211, thereby avoiding damage to the tooth surface of the gear 9 to be processed by cutting waste during the processing, and ensuring product quality.

[0032] The positioning pin 31 can be axially slidable by an electric push rod, a cylinder or a motor in conjunction with a gear and rack, or other driving methods known to those skilled in the art.

[0033] It should be noted that the electrical connections and control circuits of the drill bit assembly 4 and the drive motor are common knowledge to those skilled in the art and will not be described in detail here.

[0034] In the above technical solution, using the fixing component 2 and positioning component 3 provided on the drilling machine body 1, the placement seat 21 is first in the default horizontal state, so that the positioning pin 31 slides axially into the stepped groove 211, and the gear 9 to be processed is placed in the stepped groove 211 through the positioning pin 31. Then, the fixing ring 22 is bolted to the placement seat 21 to clamp the gear 9 to be processed in the stepped groove 211. At this time, the end face of the gear 9 to be processed can be processed through the second through hole 222. Then, the positioning pin 31 can be moved axially downward away from the fixing component 2. Then, the placement seat 21 is rotated 180 degrees to be in the default state again. At this time, the gear 9 to be processed has completed the flipping without loosening the clamp and without changing the axis position. And the positioning pin 31 can be raised axially again to enter the stepped groove 211 to check the axis position of the gear 9 to be processed. Then, the other end face of the gear 9 to be processed can be processed through the first through hole 212. It is not necessary to disassemble the completed clamp and it is not necessary to perform additional axis tool setting of the gear 9 to be processed, thereby improving the processing efficiency.

[0035] As another embodiment of the present invention, the placement base 21 is provided with a positioning ring groove 213, and the fixing ring 22 is provided with a positioning ring part 223. The fixing ring 22 is bolted to the placement base 21 so that the positioning ring part 223 is fitted into the positioning ring groove 213.

[0036] Specifically, the placement seat 21 is provided with a positioning ring groove 213, and the fixing ring 22 is provided with a positioning ring part 223. The fixing ring 22 is bolted to the placement seat 21 so that the positioning ring part 223 is fitted into the positioning ring groove 213 to increase the connection stability between the fixing ring 22 and the placement seat 21, thereby increasing the clamping stability of the gear 9 to be processed and improving the processing quality.

[0037] As another embodiment of the present invention, the end of the first through hole 212 facing away from the stepped groove 211 is provided with a first inclined annular surface 61, and the end of the second through hole 222 facing away from the positioning ring groove 213 is provided with a second inclined annular surface 62.

[0038] Specifically, the end of the first through hole 212 facing away from the stepped groove 211 is provided with a first inclined annular surface 61, and the end of the second through hole 222 facing away from the positioning ring groove 213 is provided with a second inclined annular surface 62. The first inclined annular surface 61 and the second inclined annular surface 62 make the end openings of the first through hole 212 and the second through hole 222 gradually increase, thereby increasing the field of view during the processing. Secondly, it also facilitates the falling off of cutting waste during the processing, and avoids the waste from getting stuck in the drill hole of the gear 9 to be processed.

[0039] As another embodiment of the present invention, the placement seat 21 is provided with a connecting end 217 for connecting the coolant pipe, and the placement seat 21 is provided with a main channel 218 communicating with the connecting end 217. The outlet of the main channel 218 is arranged in a circumferential array on the second inclined annular surface 62, and a second rotating wheel 52 is rotatably provided at the outlet of the main channel 218. The outlet of the main channel 218 faces the side of the second rotating wheel 52 away from the stepped groove 211 to drive the second rotating wheel 52 to rotate.

[0040] Specifically, when gear machining is required, the conventional cooling method is to spray coolant onto the working tool, and then the coolant flows down the tool to the upper end face of the gear 9 to be machined for cooling. However, this method can easily cause a temperature difference between the upper and lower end faces of the gear 9 to be machined, which in turn causes the volume expansion on both sides to be inconsistent under the temperature difference, resulting in a lower accuracy of the hole circle runout.

[0041] Therefore, as Figure 6 As shown, the outlet of the main flow channel 218 faces the second impeller 52 of the second inclined annular surface 62, as... Figure 2 As shown, an external coolant pipe can be connected to the connecting end 217 of the placement seat 21, so that the coolant can flow along the main channel 218 to the second inclined annular surface 62 and out. The outflow of coolant will drive the second rotating wheel 52 to rotate. The second rotating wheel 52 is driven to rotate so that the outflowing coolant is thrown upward and splashed into the stepped groove 211 by the adhesion force of the liquid, thereby achieving the cooling of the lower end face of the gear 9 to be processed, thus avoiding the problem of temperature difference between the upper end face and the lower end face of the gear 9 to be processed, and thus increasing the accuracy of the circular runout of the hole processed on the gear 9 to be processed. Secondly, the second rotating wheel 52 is used to rotate and throw the coolant onto the lower end face of the gear 9 to be processed. If there are metal fragments or impurities in the coolant, the metal fragments or impurities in the coolant are easy to fall due to gravity, while the coolant droplets can be thrown onto the lower cross-section of the gear 9 to be processed under the influence of centrifugal force and adhesion force. This avoids the metal fragments or impurities in the coolant from scratching the surface of the gear 9 to be processed, and improves the quality of the processed product.

[0042] As another embodiment of the present invention, an embedding part 215 is provided in the positioning ring groove 213, and a fitting groove 225 is provided on the positioning ring part 223.

[0043] Specifically, the positioning ring groove 213 is provided with an insert 215, and the positioning ring 223 is provided with a fitting groove 225. When the fixing ring 22 is bolted to the placement seat 21 to clamp the gear 9 to be processed, the insert 215 fits into the fitting groove 225, thereby further increasing the connection stability between the fixing ring 22 and the placement seat 21.

[0044] As another embodiment of the present invention, a secondary flow channel 219 communicating with the main flow channel 218 is provided in the placement base 21, and a matching flow channel 226 is provided in the fixing ring 22. The embedding part 215 is fitted into the fitting groove 225 so that the matching flow channel 226 and the secondary flow channel 219 are connected. The outlet of the matching flow channel 226 is circumferentially arrayed on the first inclined ring surface 61, and a first rotating wheel 51 is rotatably provided at the outlet of the matching flow channel 226. The outlet of the matching flow channel 226 faces the first rotating wheel 51 on the side away from the positioning ring part 223 to drive the first rotating wheel 51 to rotate.

[0045] Specifically, when the fixing ring 22 is bolted to the placement seat 21, the positioning ring part 223 is embedded in the positioning ring groove 213, and the embedded part 215 is fitted into the fitting groove 225. At this time, the secondary flow channel 219 is connected to the mating flow channel 226, that is, the coolant in the main flow channel 218 can flow out along the secondary flow channel 219 and the mating flow channel 226 to the first inclined ring surface 61. After the gear 9 to be processed clamped on the fixing assembly 2 has completed the processing of one end face, the placement seat 21 is rotated 180 to allow the other end face of the gear 9 to be processed to be rotated. One end face is flipped to face the chamfering process, and at this time the fixing ring 22 is located on the lower side of the placement seat 21. The coolant in the flow channel 226 can flow out onto the second inclined ring surface 62, and the outflow of coolant will drive the first rotating wheel 51 to rotate. The first rotating wheel 51 is driven to rotate so that the outflowing coolant is thrown up and splashed into the stepped groove 211 by the adhesion force of the liquid. This achieves the cooling of the lower end face of the gear 9 after it has been flipped, thereby increasing the processing quality of the gear 9.

[0046] As another embodiment of the present invention, a flexible support member 23 is fixedly provided on the fixing ring 22, and the fixing ring 22 is bolted to the placement seat 21 to clamp the flexible support member 23.

[0047] Specifically, a flexible support member 23 is fixedly provided on the fixing ring 22. The fixing ring 22 is bolted to the placement seat 21 to clamp the flexible support member 23. The flexible support member 23 is used to avoid the problem of deformation caused by hard compression when the fixing ring 22 and the placement seat 21 are clamped and fixed, thereby increasing the service life of the fixing component 2.

[0048] As another embodiment of the present invention, the positioning component 3 further includes a sliding seat 33 slidably disposed in the drilling machine body 1 and a first drive motor 32 fixedly connected to the sliding seat 33. The positioning post 31 is provided with a threaded part 311, which is threadedly installed in the lifting threaded hole 11 opened in the drilling machine body 1, and the positioning post 31 is fixedly connected to the output end of the first drive motor 32.

[0049] Specifically, the sliding seat 33 is slidably disposed in the sliding groove 12 of the drill body 1. When the output end of the first drive motor 32 is driven to rotate, the positioning column 31 rotates accordingly and the threaded part 311 realizes the extension and retraction of the positioning column 31 relative to the drill body 1. At this time, the first drive motor 32 and the sliding seat 33 synchronously follow the positioning column 31 to slide vertically.

[0050] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A gear drilling and chamfering integrated device, comprising a gear to be processed, having a center hole thereon, characterized in that, It also includes the main body of the drilling machine, on which are: A fixing component includes a fixing ring and a rotatable placement seat that is horizontal in its default state. The placement seat has a stepped groove arranged coaxially and a first through hole penetrating the stepped groove. The fixing ring has a stepped ring and a second through hole penetrating the stepped ring. The fixing ring is fixed to the placement seat by bolts to clamp the gear to be processed in the stepped groove, and the first through hole and the second through hole are coaxial. A positioning assembly includes a positioning post that is driven to slide axially into a first through hole. The positioning post is coaxially arranged with the first through hole of the placement seat in the default state. The positioning post is driven to slide and embed into the center hole of the gear to be processed. The end of the first through hole facing away from the stepped groove is provided with a first inclined annular surface, and the end of the second through hole facing away from the positioning annular groove is provided with a second inclined annular surface. The placement seat is provided with a connecting end for connecting a coolant pipe, and the placement seat is provided with a main channel that communicates with the connecting end. The outlet of the main channel is arranged in a circumferential array on the second inclined ring surface, and a second rotating wheel is rotatably provided at the outlet of the main channel. The outlet of the main channel faces the side of the second rotating wheel away from the stepped groove to drive the second rotating wheel to rotate. The placement base is provided with a positioning ring groove, and the fixing ring is provided with a positioning ring part; An embedding part is provided in the positioning ring groove, and a fitting groove is provided on the positioning ring part; The placement seat has a secondary flow channel connected to the main flow channel, and the fixing ring has a matching flow channel. The embedding part is fitted into the fitting groove so that the matching flow channel is connected to the secondary flow channel. The outlet of the matching flow channel is circumferentially arrayed on the first inclined ring surface. A first rotating wheel is rotatably provided at the outlet of the matching flow channel. The outlet of the matching flow channel faces the side of the first rotating wheel away from the positioning ring to drive the first rotating wheel to rotate.

2. The gear drilling and chamfering integrated device according to claim 1, characterized in that, The fixing ring bolt is installed on the placement seat so that the positioning ring part is fitted into the positioning ring groove.

3. The gear drilling and chamfering integrated device according to claim 1, characterized in that, A flexible support member is fixedly provided on the fixing ring, and the fixing ring is bolted to the placement seat to clamp the flexible support member.

4. The gear drilling and chamfering integrated device according to claim 1, characterized in that, The positioning assembly further includes a sliding seat slidably disposed within the drilling machine body and a first drive motor fixedly connected to the sliding seat. The positioning post is provided with a threaded portion, which is threadedly installed in a lifting threaded hole opened within the drilling machine body, and the positioning post is fixedly connected to the output end of the first drive motor.

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