CN107999895B - Pattern gear shaping mechanism and processing method of pattern gear - Google Patents
Pattern gear shaping mechanism and processing method of pattern gear Download PDFInfo
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- CN107999895B CN107999895B CN201711377204.7A CN201711377204A CN107999895B CN 107999895 B CN107999895 B CN 107999895B CN 201711377204 A CN201711377204 A CN 201711377204A CN 107999895 B CN107999895 B CN 107999895B
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- adjusting screw
- gear shaping
- indexing device
- screw rod
- adjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F1/00—Making gear teeth by tools of which the profile matches the profile of the required surface
- B23F1/04—Making gear teeth by tools of which the profile matches the profile of the required surface by planing or slotting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/08—Index mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses a pattern type gear shaping mechanism, which comprises a base, an indexing device and a gear shaping mechanism, wherein the indexing device, the gear shaping mechanism and the gear shaping mechanism are sequentially and fixedly arranged on the base, the indexing device comprises a main shaft indexing device, the indexing device is driven by a motor and is used for adjusting processing parameters of a workpiece, the gear shaping mechanism comprises a tool rest, a gear shaping tool, a plurality of adjusting screw rods and a plurality of motors for driving the screw rods, the adjusting screw rods comprise a first adjusting screw rod and a second adjusting screw rod which are used for adjusting the angle of the tool rest, the first adjusting screw rod is used for adjusting the distance from a tool tip to the center of a rotating shaft, the distance is the movement radius of an arc of the processed workpiece, and the second adjusting screw rod is used for enabling the tool tip to contact the outer diameter surface of the workpiece as a tool setting point. The beneficial effects of the invention are as follows: the precision and the glossiness of teeth are ensured during processing, the cutting speed is higher, the tool rest can be adjusted up and down, and workpieces with different tooth rows and sizes can be processed.
Description
Technical Field
The invention relates to the field of lathe machining equipment, in particular to a pattern gear shaping mechanism.
Background
The traditional pattern tooth piece is machined by adopting an embossing cutter to cut the outside of a workpiece, and the distance between teeth cannot be ensured to be consistent during machining, and the depth cannot be ensured to be consistent. And during cutting, scraps are easy to adhere between teeth on the surface of a workpiece and are blocked, so that the workpiece is not easy to fall off. The appearance and glossiness of the affected teeth are also not satisfactory. The traditional numerical control machine tool cutting mode is low in machining speed, the machine tool with more than four shafts is required to machine, the pattern tooth piece cannot be machined by ordinary machine tool, the requirement progress of the cutter is high, and the special cutter is required to machine. And can only be machined with a single set of tools, and each tool change is required to be repositioned.
Disclosure of Invention
The invention aims to provide a pattern gear shaping mechanism for solving the technical defects, which is realized by the following technical scheme.
The pattern type gear shaping mechanism comprises a base, an indexing device and a gear shaping mechanism, wherein the indexing device, the gear shaping mechanism and the gear shaping mechanism are sequentially and fixedly arranged on the base, the indexing device comprises a main shaft indexing device, the indexing device is driven by a motor and used for adjusting workpiece machining parameters, the gear shaping mechanism comprises a tool rest, a gear shaping tool, a plurality of adjusting screws and a plurality of motors for driving the screws, the adjusting screws comprise a first adjusting screw and a second adjusting screw, the first adjusting screw is used for adjusting the distance from a tool tip to the center of a rotating shaft, the distance is the movement radius of an arc of a machined workpiece, and the second adjusting screw is used for enabling the tool tip to contact the outer diameter surface of the workpiece to serve as a tool setting point.
Further, the cylinder is connected with the tool rest through a cylinder top bar, and the tool rest is embedded with a gear shaping tool.
Further, the indexing device base and the base slide by gears, and the angle range of the indexing device sliding along the hard rail arranged on the base is 0-90 degrees, so that the indexing device is used for processing workpieces.
Further, the hard rail arranged on the base is of a fan-shaped groove structure, and the mechanism slides in the groove and is used for guaranteeing uniformity of speed in running.
Further, the workpiece of the indexing device is clamped by adopting an external circle buckle type.
The method for machining the spline gear comprises the steps of firstly, confirming the diameter of an outer circle of a workpiece to be machined, the thickness of the workpiece, the tooth row, the angle of the cutting tooth row and the total number of teeth;
the distance between the tool nose and the center of the rotating shaft is adjusted, and the distance is the radius of the proper circular arc motion of the machined workpiece;
adjusting the cutter point to just contact the outer diameter surface of the machined workpiece to serve as a cutter setting point;
positive and negative angles of the main shaft indexing device are adjusted, and the main shaft indexing device is locked by a pneumatic device;
the gear and the sliding device are arranged below the base for adjusting the cutting angle, and the main shaft indexing device is integrally adjusted to enable a proper distance from a processed workpiece to a tool nose to serve as a processing starting point.
Further, the knife rest keeps a certain distance from the processed workpiece, so that the workpiece and the knife tool are prevented from being damaged due to the fact that the distance between the workpiece and the knife tip is too close.
Further, the second adjusting screw rod moves to the position of the sensor in a backward straight line, the gear shaping cutter is driven by the first adjusting screw rod to finish cutting, when the second adjusting screw rod moves to the position of the sensor to stop, the cutter rest moves upwards by a certain distance to return to the initial position by means of the pneumatic device, and the second adjusting screw rod simultaneously returns to the initial position by means of the push-pull pneumatic device.
Further, when the gear shaping cutters return to the initial positions according to different tooth rows and different depth requirements, a certain distance is adjusted downwards according to program setting data, and each tooth repeats the same steps to achieve the depth requirements among the teeth.
After the machining of the front tooth row is finished, the other angle of the main shaft indexing device is adjusted through the main shaft indexing base sliding device, and the cutting requirement of the other side is finished.
The beneficial effects of the invention are as follows: the precision and the glossiness of teeth are ensured during processing, the cutting speed is higher, the tool rest can be adjusted up and down, and workpieces with different tooth rows and sizes can be processed.
Drawings
Fig. 1 is a schematic view of a gear shaping mechanism according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The pattern gear shaping mechanism comprises a base 10, an indexing device 20 and a gear shaping mechanism 30, wherein the indexing device 20, the gear shaping mechanism 30 and the indexing device 20 which comprises a main shaft indexing device are sequentially and fixedly arranged on the base 10, the indexing device is driven by a motor and is used for adjusting workpiece processing parameters, the gear shaping mechanism comprises a tool rest, a gear shaping tool, a plurality of adjusting screws and a plurality of motors driving the screws, the adjusting screws comprise a first adjusting screw 36 and a second adjusting screw 32 which are used for adjusting the angle of the tool rest, the first adjusting screw 36 is used for adjusting the distance from a tool tip to the center of a rotating shaft, the distance is the movement radius of an arc of a processed workpiece, and the second adjusting screw 32 is used for enabling the tool tip to contact the outer diameter surface of the workpiece as a tool setting point.
The base 10 is provided with a base motor 11 for adjusting the direction of the indexing device and is connected with the indexing device in a gear transmission way.
The indexing device includes: the spindle indexing device 21 is connected to the base motor 11 via a spindle, and is used to adjust the station clamping device 22 during machining, clamp the workpiece, rotate clockwise or counterclockwise with reference to the outer periphery of the workpiece, and cut in cooperation with the gear shaping mechanism.
The gear shaping mechanism 30 comprises a plurality of motors for transmission, an adjusting screw rod and a cylinder connected with the adjusting screw rod, wherein the cylinder provides power for a gear shaping cutter positioned on a cutter rest and processes a workpiece. The adjusting screw comprises a first adjusting screw 36 and a second adjusting screw 32, the second adjusting screw 32 is in transmission connection with a second motor 31 and used for integrally adjusting the position of the gear shaping mechanism 30 up and down, the first adjusting screw 36 and the second adjusting screw 32 are in rotary connection through a rotary shaft center 33, the rotary shaft center can longitudinally adjust the positions of the first screw and a gear shaping cutter rest, the rotary shaft center is connected with a transmission shaft 34, one end of the transmission shaft is connected with a first motor 35, the other end of the transmission shaft is connected with the first adjusting screw 36, the first adjusting screw 36 is connected with a cutter rest 37, the first adjusting screw is used for adjusting the position of the cutter rest, and the cutter rest 37 can fix one or more gear shaping cutters 38 to process a workpiece 40.
Corresponding to the transverse shaft corresponding to the tool rest is an indexing device arranged on the main shaft, the indexing device 20 is arranged on the transmission device and comprises an outer circle buckle type clamping device 22 for clamping a workpiece, the indexing device is rotationally connected with the motor gear 11, the motor receives the rotating speed calculated according to the instruction and the reserved gear shaping time, and the workpiece arranged on the indexing device is processed by matching with the gear shaping structure. The angle of the tool post 38 can be adjusted during gear machining, the indexing device 20 can slide and rotate through the hard rail 12 arranged on the base 10, the rotating angle can be rotated from 0 degree anticlockwise to 90 degrees to 100 degrees in the horizontal direction (relative to the gear shaping mechanism), in another embodiment, the tool post can rotate clockwise, and workpieces on the indexing device are clamped by adopting an external circle buckle clamp, so that the precision and glossiness of internal teeth are ensured.
Firstly, confirming the diameter of the outer circle of the workpiece to be processed, the thickness of the workpiece, the tooth row, the angle of the cutting tooth row and the total number of teeth. Then the distance from the tool nose to the center of the rotating shaft is adjusted, and the distance is just the radius of the proper circular arc motion of the processed workpiece. The tool nose is adjusted (the distance between the integral tool rest and the center of the rotating shaft, which is kept unchanged, is the radius of the machining arc, and the distance is unchanged), and the tool nose just contacts the outer diameter surface of the machined workpiece to serve as a tool setting point. Positive and negative angles of the main shaft indexing device are adjusted according to the requirements of the machined workpiece and the tooth line angle, and the main shaft indexing device is locked by a pneumatic device, so that cutting accuracy, glossiness and appearance are kept. The angle adjustment of cutting is that a gear and a sliding device are arranged below a base, so that the adjustment is convenient, and the main shaft indexing device is integrally adjusted, so that a proper distance from a processed workpiece to a tool nose is used as a processing starting point.
After all machining requirements are adjusted, the tool rest keeps a certain distance from the machined workpiece, and the workpiece and the tool are prevented from being damaged due to the fact that the distance between the workpiece and the tool nose is too close. The second adjusting screw drives the gear shaping mechanism to linearly move to the position of the sensor to finish cutting of the gear shaping cutter in the moving engineering. When the second adjusting screw drives the gear shaping mechanism to run to the sensor to stop, the gear shaping cutter moves upwards by a certain distance to return to the initial position by virtue of the pneumatic device, and the second adjusting screw drives the gear shaping mechanism to return to the initial position by virtue of the push-pull pneumatic device. And (3) when the different gear shaping cutters return to the initial positions according to different tooth rows and depth requirements, adjusting down a certain distance according to program setting data, and repeating the same steps for each tooth until the depth requirement between each tooth is met.
After the previous tooth row machining is finished, the other angle of the main shaft indexing device is adjusted through the main shaft indexing base sliding device, the cutting requirement of the other side is finished, and the steps are repeated, so that the machining of the patterned gear is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The pattern type gear shaping mechanism comprises a base, an indexing device and a gear shaping mechanism, wherein the indexing device and the gear shaping mechanism are sequentially and fixedly arranged on the base;
the second adjusting screw rod is in transmission connection with the second motor and is used for integrally adjusting the position of the gear shaping mechanism up and down;
the first adjusting screw rod is rotationally connected with the second adjusting screw rod through a rotating shaft center, the rotating shaft center can longitudinally adjust the positions of the first screw rod and the gear shaping tool rest, the rotating shaft center is connected with a transmission shaft, one end of the transmission shaft is connected with a first motor, the other end of the transmission shaft is connected with the first adjusting screw rod, and the first adjusting screw rod is connected with the tool rest; the first adjusting screw rod is used for adjusting the distance from the tool nose to the center of the rotating shaft, the distance is the movement radius of an arc of a machined workpiece, and the second adjusting screw rod is used for adjusting the tool nose to contact the outer diameter surface of the workpiece to serve as a tool setting point;
the base is provided with a base motor for adjusting the direction of the indexing device and is in gear transmission connection with the indexing device; the indexing device slides along a hard rail arranged on the base, and the sliding angle range is 0-90 degrees;
the hard rail arranged on the base is of a fan-shaped groove structure;
the workpiece of the indexing device is clamped by adopting an excircle buckle.
2. A pattern gear machining method of a pattern gear shaping mechanism according to claim 1, characterized in that firstly, the diameter of the outer circle of the work piece to be machined, the work piece is confirmed to be good
Thickness, row of teeth, and angle of row of teeth cut, and total number of teeth;
the distance from the tool nose to the center of the rotating shaft is adjusted, and the distance is the movement radius of the arc of the processed workpiece;
adjusting the cutter point to just contact the outer diameter surface of the machined workpiece to serve as a cutter setting point;
positive and negative angles of the main shaft indexing device are adjusted, and the main shaft indexing device is locked by a pneumatic device;
the main shaft indexing device is integrally adjusted through the gear and the sliding device arranged below the base, so that a proper distance from a processed workpiece to a tool nose is used as a processing starting point.
3. The method of claim 2, wherein the tool holder is spaced from the work piece for preventing
And the workpiece and the cutter are prevented from being damaged by the too close distance between the workpiece and the cutter tip.
4. The method of claim 2, wherein the second adjusting screw is linearly moved back to the sensor position
After that, the air cylinder connected with the first adjusting screw rod pushes the gear shaping cutter to complete cutting, and when the second adjusting screw rod runs to the sensor to stop
When the gear shaping knife rest moves upwards by a certain distance by means of the air cylinder to return to the initial position, the second adjusting screw rod simultaneously depends on push-pull air
The moving device returns to the starting position.
5. The method according to claim 2, wherein the pinion returns are different according to the tooth row and the depth requirement
When the tooth reaches the initial position, the tooth is processed by downwards adjusting a certain distance according to the program setting data, and the same steps are repeated to reach each tooth
Depth requirements between.
6. A method according to claim 2, characterized in that after the previous tooth row machining is completed, the tooth row is divided by a main shaft
The sliding device of the measuring device adjusts the other angle of the main shaft indexing device to finish the cutting requirement of the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377204.7A CN107999895B (en) | 2017-12-19 | 2017-12-19 | Pattern gear shaping mechanism and processing method of pattern gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377204.7A CN107999895B (en) | 2017-12-19 | 2017-12-19 | Pattern gear shaping mechanism and processing method of pattern gear |
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| Publication Number | Publication Date |
|---|---|
| CN107999895A CN107999895A (en) | 2018-05-08 |
| CN107999895B true CN107999895B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711377204.7A Active CN107999895B (en) | 2017-12-19 | 2017-12-19 | Pattern gear shaping mechanism and processing method of pattern gear |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802276B (en) * | 2019-12-06 | 2020-06-19 | 东台市杰顺机械制造有限公司 | Machining device for gear manufacturing and detection |
Citations (8)
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| CN101367142A (en) * | 2008-10-07 | 2009-02-18 | 宜昌长机科技有限责任公司 | Mechanism for automatically regulating stroke length and travel range position of gear shaping machine |
| CN201235427Y (en) * | 2008-08-05 | 2009-05-13 | 宜昌长机科技有限责任公司 | Automatic regulating apparatus for stroke length of gear shaping machine |
| CN201511184U (en) * | 2009-07-03 | 2010-06-23 | 大连冶金轴承股份有限公司 | Rough milling machine |
| CN202763222U (en) * | 2012-07-13 | 2013-03-06 | 济南重工股份有限公司 | Dividing apparatus for machining mill roll shaft splines |
| CN203197649U (en) * | 2013-04-20 | 2013-09-18 | 营口冠华机床有限公司 | Gear shaper |
| CN203900637U (en) * | 2014-04-30 | 2014-10-29 | 奥科精机（深圳）有限公司 | Automatic gear-shaping machine |
| CN105817720A (en) * | 2016-04-29 | 2016-08-03 | 无锡港盛重型装备有限公司 | Novel gear slotting machine |
| CN207971514U (en) * | 2017-12-19 | 2018-10-16 | 深圳市楚旺自动化有限公司 | Decorative pattern formula gear shaping mechanism |
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2017
- 2017-12-19 CN CN201711377204.7A patent/CN107999895B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201235427Y (en) * | 2008-08-05 | 2009-05-13 | 宜昌长机科技有限责任公司 | Automatic regulating apparatus for stroke length of gear shaping machine |
| CN101367142A (en) * | 2008-10-07 | 2009-02-18 | 宜昌长机科技有限责任公司 | Mechanism for automatically regulating stroke length and travel range position of gear shaping machine |
| CN201511184U (en) * | 2009-07-03 | 2010-06-23 | 大连冶金轴承股份有限公司 | Rough milling machine |
| CN202763222U (en) * | 2012-07-13 | 2013-03-06 | 济南重工股份有限公司 | Dividing apparatus for machining mill roll shaft splines |
| CN203197649U (en) * | 2013-04-20 | 2013-09-18 | 营口冠华机床有限公司 | Gear shaper |
| CN203900637U (en) * | 2014-04-30 | 2014-10-29 | 奥科精机（深圳）有限公司 | Automatic gear-shaping machine |
| CN105817720A (en) * | 2016-04-29 | 2016-08-03 | 无锡港盛重型装备有限公司 | Novel gear slotting machine |
| CN207971514U (en) * | 2017-12-19 | 2018-10-16 | 深圳市楚旺自动化有限公司 | Decorative pattern formula gear shaping mechanism |
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| CN107999895A (en) | 2018-05-08 |
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