CN114161102A - Gear slotting and perforating process - Google Patents
Gear slotting and perforating process Download PDFInfo
- Publication number
- CN114161102A CN114161102A CN202111660279.2A CN202111660279A CN114161102A CN 114161102 A CN114161102 A CN 114161102A CN 202111660279 A CN202111660279 A CN 202111660279A CN 114161102 A CN114161102 A CN 114161102A
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- positioning
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- groove
- pin
- lightening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Abstract
The invention relates to the technical field of gear machining, in particular to a gear slotting and perforating process, which comprises the following steps: the method comprises the following steps: forging at least one lightening hole on the workpiece at one time, wherein the lightening holes are uniformly distributed on the workpiece; step two: manufacturing teeth; step three: pulling out the key groove by using a groove pulling tool; step four: processing a threaded hole; the broaching tool comprises a winch, a guide sleeve and a positioning mechanism, wherein the guide sleeve and the positioning mechanism are fixed on the winch, a broaching groove penetrates through the guide sleeve in the axial direction, the positioning mechanism is located on one side of the guide sleeve, a limiting pin is fixed on the winch and used for being inserted into the lightening hole, and an included angle A is formed between the limiting pin and the broaching groove and used for avoiding the lightening hole from being overlapped with the threaded hole. According to the scheme, the existing processing sequence is changed, the position of the lightening hole is combined, the position of the key groove is determined by means of the groove drawing tool, the threaded hole and the lightening hole can be effectively prevented from being overlapped, the workpiece is prevented from being scrapped, and the problem that the lightening hole and the threaded hole are easily overlapped in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of gear machining, in particular to a gear slotting and punching process.
Background
The gear is a mechanical element with teeth on a rim, which can be continuously meshed to transmit motion and power, and is a toothed mechanical part capable of being meshed with each other, and the use of the gear plays an important role for most mechanical devices.
After the camshaft gear is cast, teeth are manufactured, key grooves, lightening holes, threaded holes and the like are machined, the existing machining method is to manufacture the teeth firstly, the key grooves are drawn out according to the angle relation between the teeth and the key grooves, then the lightening holes and the threaded holes are drilled according to the positions of the key grooves, and the threaded holes need to be in 90-degree angle relation with the key grooves. The existing machining method cannot accurately determine the relative position between the lightening hole and the threaded hole, the positions of the lightening hole and the threaded hole are easily overlapped, the threaded hole cannot be machined, the technological requirement cannot be met, the gear is scrapped, and the production cost is increased.
Disclosure of Invention
The invention aims to provide a gear slotting and tapping process to solve the problem that a lightening hole and a threaded hole are overlapped easily in the existing machining method.
In order to achieve the purpose, the invention provides the following technical scheme:
a gear slotting and punching process comprises the following steps:
the method comprises the following steps: forging at least one lightening hole on the workpiece at one time, wherein the lightening holes are uniformly distributed on the workpiece;
step two: manufacturing teeth;
step three: pulling out the key groove by using a groove pulling tool;
step four: processing a threaded hole;
the broaching tool comprises a winch, a guide sleeve and a positioning mechanism, wherein the guide sleeve and the positioning mechanism are fixed on the winch, a broaching groove penetrates through the guide sleeve in the axial direction, the positioning mechanism is located on one side of the guide sleeve, a limiting pin is fixed on the winch and used for being inserted into the lightening hole, and an included angle A is formed between the limiting pin and the broaching groove and used for avoiding the lightening hole from being overlapped with the threaded hole.
The principle and the beneficial effect of the scheme are as follows:
the lightening holes are directly forged by the die at one time, and the drilling efficiency is higher than that of one lightening hole; the broaching tool is used for broaching a workpiece, wherein the guide sleeve is used for installing the workpiece, the positioning mechanism is used for positioning the workpiece, and the broaching groove is used for installing a broaching tool. During actual application, the workpiece is sleeved on the guide sleeve, the limiting pin is inserted into the lightening hole, the position of the key groove is determined, the angle relation between the key groove and the lightening hole is guaranteed, the lightening hole is prevented from occupying the position of the follow-up threaded hole, the threaded hole is prevented from being overlapped with the lightening hole during follow-up machining of the threaded hole, and smooth machining of the threaded hole can be effectively guaranteed. According to the scheme, the existing processing sequence is changed, the position of the lightening hole is combined, the position of the key groove is determined by means of the groove drawing tool, the threaded hole and the lightening hole can be effectively prevented from being overlapped, the workpiece is prevented from being scrapped, and the problem that the lightening hole and the threaded hole are easily overlapped in the prior art is solved.
Further, positioning mechanism includes the locating pin seat, and the locating pin is worn to be equipped with by vertical slip in the locating pin seat, and the locating pin is connected with the elastic component, and in the tooth's socket of work piece can be blocked to the locating pin bottom, the locating pin was connected with drive assembly, and drive assembly is used for driving the locating pin vertical removal in the locating pin seat, and demountable installation has the tooth angle adjustment cushion between positioning mechanism and the capstan, and the diameter of spacer pin is less than the diameter of lightening hole.
Has the advantages that: the positioning mechanism is used for positioning a workpiece, the driving assembly is driven to pull up the positioning pin so as to sleeve the workpiece on the guide sleeve, the driving assembly is released after the workpiece is sleeved to drive the positioning pin to reset, and the positioning pin is clamped in a tooth groove of the workpiece to position the workpiece.
Further, drive assembly includes the end cover, and the end cover is fixed at locating pin seat top, and the locating pin slides and runs through the end cover, and articulated on the end cover have a depression bar, and the draw-in groove has been seted up to depression bar one end, and the locating pin joint is in the draw-in groove, and the length of draw-in groove is greater than the diameter of locating pin, and threaded connection has stop nut to be used for the depression bar spacing on the locating pin.
Has the advantages that: the end cover is used for installing the depression bar, and the draw-in groove is used for being connected with the locating pin, and the length of draw-in groove is greater than the diameter of locating pin and in order to provide the depression bar relative locating pin pivoted space when rotating, avoids the card to die, and stop nut then is used for spacing for the depression bar, avoids the depression bar to drop from the locating pin to guarantee to drive the vertical removal of locating pin smoothly.
Furthermore, an adjusting part for adjusting the height of the key groove is arranged in the broach groove.
Has the advantages that: so set up the height that can adjust the keyway to process the keyway of co-altitude not, enlarge application scope.
Furthermore, the tapping positioning tool is used for positioning the workpiece in the fourth step, the tapping positioning tool comprises a base and a chassis, at least two supporting legs are vertically fixed on the edge of the chassis, the supporting legs are used for supporting the excircle of the workpiece, a vertical positioning column is fixed in the middle of the chassis, a vertical key pin is fixed on the positioning column, and a positioning nut is connected to the top of the positioning column through threads.
Has the advantages that: the positioning column is used for being connected with a workpiece, the key pin is used for being inserted into a key groove of the workpiece, the nut is used for pressing the workpiece from the upper part, and the supporting leg is used for supporting the excircle of the workpiece; during machining, the gear is sleeved on the positioning column, the lower part of the gear is supported by the supporting leg, and the upper part of the gear is pressed tightly by the nut, so that the gear is positioned in the axial direction; when the gear is inserted, the key pin is inserted into the key groove, thereby positioning in the radial direction.
Furthermore, a chip removal port is arranged on the chassis.
Has the advantages that: the chip removal port is arranged to facilitate the discharge of the chips generated during drilling and tapping from the chassis, so that the chips are prevented from being accumulated on the chassis to influence the normal operation of drilling and tapping.
Furthermore, the chip removal port is arranged between two adjacent supporting legs and is communicated with the gap between the two adjacent supporting legs.
Has the advantages that: so set up, the sweeps that drop on the chassis not only can discharge from the bottom on chassis through the chip removal mouth, can also discharge from the clearance between two adjacent supporting legss, and the edgewise discharges promptly, and the chip removal is faster, and the effect is better, and adds man-hour and directly can form the chip removal mouth from the inside fluting in clearance department, and processing is convenient.
Furthermore, a positioning washer is padded below the positioning nut, a notch is formed in the positioning washer, and the width of the notch is larger than the diameter of the top of the positioning column.
Has the advantages that: the positioning washer is arranged below the positioning nut in a cushioning mode, so that the positioning nut can be prevented from being directly contacted with a workpiece, the workpiece is prevented from being abraded when the positioning nut is rotated, and the quality of the workpiece is guaranteed; set up the breach on the locating washer, need not to unscrew set nut from the reference column completely during dismouting locating washer, only need unscrew certain distance, can be directly transversely pull out or install the locating washer and go, easy dismounting, save time also can save time, convenient operation when taking off the work piece.
Furthermore, the number of the lightening holes is two, and the angle A is 0-60 degrees.
Has the advantages that: when the number of the lightening holes is two, the lightening holes can be ensured not to be overlapped with the threaded holes as long as the angle A is not equal to 90 degrees.
Furthermore, the number of the lightening holes is four, and the angle A is 30-60 degrees.
Has the advantages that: when the number of the lightening holes is four, the angle A is within the range of 30-60 degrees, and the lightening holes can be enabled to be overlapped with the threaded holes.
Drawings
FIG. 1 is a longitudinal sectional view of a center draw groove tool in use according to an embodiment of the present invention;
FIG. 2 is a partial front view of a center channel tool in use according to an embodiment of the present invention;
FIG. 3 is a top view of the compression bar;
fig. 4 is a longitudinal sectional view of a tapping positioning tool in the first embodiment of the invention;
FIG. 5 is a top view of the chassis;
FIG. 6 is a top view of the positioning washer;
FIG. 7 is a schematic view of a workpiece according to one embodiment of the invention;
FIG. 8 is a schematic view of a workpiece according to a second embodiment of the invention;
fig. 9 is a schematic view of a workpiece according to a third embodiment of the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the broach puller comprises a broach puller 1, a plug pin 2, a broaching machine 3, a pressure lever 4, a tooth angle adjusting cushion block 5, an end cover 6, a limit nut 7, a thread section 8, a spring 9, a smooth section 10, a positioning pin seat 11, a clamping ball 12, a broach 13, a key groove height adjusting cushion block 14, a guide sleeve 15, a hinge plate 16, a workpiece 17, a broach washer 18, a mounting plate 19, a clamping groove 20, a limit pin 21, a positioning pin 22, a broach groove 23, a base 24, a chassis 25, a supporting leg 26, a positioning column 28, a positioning nut 29, a positioning washer 30, a key pin 31, a chip removal port 32, a mounting groove 33, a notch 34, a lightening hole 35 and a threaded hole 36.
The first embodiment is as follows:
a gear slotting and punching process comprises the following steps:
the method comprises the following steps: four lightening holes 35 are forged on the workpiece 17 at one time by adopting a die, and the four lightening holes 35 are uniformly distributed on the workpiece 17;
step two: making teeth on a workpiece 17 by adopting the prior art;
step three: pulling out the key groove by using a groove pulling tool;
step four: and (4) positioning the workpiece 17 by using a tapping positioning tool, and machining a threaded hole 36.
As shown in fig. 1, 2 and 3, the broaching positioning tool used in step three comprises a winch 16, a guide sleeve 15 and a positioning mechanism, wherein the guide sleeve 15 is fixed on the winch 16 through a bolt, a broaching washer 18 is sleeved on the guide sleeve 15, and the broaching washer 18 is also fixed on the winch 16 through a bolt. The hinge plate 16 is provided with a limiting pin 21, the limiting pin 21 penetrates through the slot drawing washer 18 along the axial direction of the guide sleeve 15 and is connected with the slot drawing washer 18 and the hinge plate 16 in an interference fit mode, the limiting pin 21 is used for being inserted into the lightening holes 35, and the diameter of the limiting pin 21 is smaller than that of the lightening holes 35. A broach groove 23 axially penetrates through the guide sleeve 15, an adjusting piece for adjusting the height of the keyway is placed in the broach groove 23, and the adjusting piece is a keyway height adjusting cushion block 14. An included angle a (the included angle a shown in fig. 2, that is, the included angle between a connecting line of the stopper pin 21 and the center of the capstan 16 and the center line of the cross section of the broach slot 23) is formed between the stopper pin 21 and the broach slot 23, and the included angle a in this embodiment is 30 to 60 degrees, preferably 45 degrees, that is, the state shown in fig. 2.
The positioning mechanism is positioned on one side of the guide sleeve 15 and comprises a positioning pin boss 11, and a tooth angle adjusting cushion block 5 is detachably mounted between the positioning pin boss 11 and the capstan 16 through a bolt. The locating pin 22 has been worn to connect by vertical slip in the locating pin seat 11, and locating pin 22 includes the smooth section 10 of the screw thread section 8 of first half and lower half, smooth section 10 and 11 sliding connection of locating pin seat, and locating pin 22 is connected with the elastic component, and the elastic component adopts spring 9, and spring 9 overlaps on screw thread section 8, and locating pin 22 bottom is fixed with card pearl 12 through the viscose, and card pearl 12 can be gone into in the tooth's socket of work piece 17. Locating pin 22 is connected with drive assembly, drive assembly is used for driving locating pin 22 vertical removal in locating pin seat 11, drive assembly includes end cover 6, end cover 6 passes through the bolt fastening at 11 tops of locating pin seat, locating pin 22 slides and runs through end cover 6, it has depression bar 4 to articulate on the end cover 6, 4 right-hand members of depression bar are opened there is draw-in groove 20, locating pin 22 joint is in draw-in groove 20, the length of draw-in groove 20 is greater than locating pin 22's diameter, install on the locating pin 22 and be used for giving 4 spacing stop nut 7 of depression bar, 7 threaded connection of stop nut is on locating pin 22.
As shown in fig. 4, 5 and 6, the tapping positioning fixture used in the fourth step includes a base 24 and a chassis 25, the chassis 25 is integrally formed on the top of the base 24, three vertical supporting feet 26 are integrally formed on the edge of the chassis 25, supporting planes are formed on the tops of the three supporting feet 26, and the three supporting feet 26 are annularly arrayed on the chassis 25 by using the circle center of the chassis 25 as the array center. Three chip removal ports 32 are formed in the bottom plate 25, and in the embodiment, the three chip removal ports 32 are respectively formed between two adjacent supporting legs 26 and are communicated with the gaps between the two adjacent supporting legs 26.
The top of the positioning column 28 is connected with a positioning nut 29 in a threaded manner, a positioning washer 30 is padded below the positioning nut 29, the positioning washer 30 is sleeved on the positioning column 28, and the diameter of the positioning washer 30 is larger than that of the positioning nut 29. The positioning washer 30 is provided with a notch 34 along the radial direction, and the width of the notch 34 is larger than the diameter of the top threaded section of the positioning post 28.
The concrete groove pulling operation in the third step is as follows:
the broaching tool is integrally and vertically installed on the installation disc 19 of the broaching machine 3 through bolts, namely in the state shown in fig. 1, and the positioning mechanism is positioned above the guide sleeve 15 at the moment. The pressure rod 4 is pressed downwards, the spring 9 is compressed, and the positioning pin 22 is lifted on the pressure rod 4 to make a space below the positioning pin seat 11, so that the workpiece 17 is sleeved on the guide sleeve 15. The workpiece 17 is sleeved on the guide sleeve 15, the limiting pin 21 is ensured to be inserted into the lightening hole 35, the pressing rod 4 is released after the workpiece 17 is sleeved, and the spring 9 is reset to drive the positioning pin 22 to reset and tightly abut against the tooth groove of the workpiece 17, so that the workpiece 17 is positioned. Because the included angle a between the limiting pin 21 and the broach slot 23 is 30-60 degrees, that is, the included angle between the position of the key slot and the lightening hole 35 is 30-60 degrees, and the included angle between the key slot and the threaded hole 36 needs to satisfy 90 degrees, the lightening hole 35 does not overlap with the threaded hole 36 (considering the position occupied by the lightening hole 35 and the threaded hole 36), in the embodiment, the included angle a is preferably 45 degrees, so that the threaded hole 36 is uniformly distributed between the two lightening holes 35, that is, in the state shown in fig. 7, and the product has a higher aesthetic property.
After positioning, inserting a key groove height adjusting cushion block 14 with proper thickness into the broach groove 23 according to the height of the key groove to be pulled out, then penetrating the broach 13 through the broach groove 23, and fixing the broach 13 on the broach slider 1 by using the plug pin 2. The broach slider 1 is actuated to push the broach 13 to the right, thereby pulling the keyway out of the workpiece 17.
In this embodiment, the teeth of the workpiece 17 are helical teeth, so that in practical use, the distance from the positioning pin 22 to the washer can be adjusted by replacing the tooth angle adjusting cushion blocks 5 with different thicknesses, that is, the position of the positioning pin 22 in the axial direction of the workpiece 17 is adjusted, and since the teeth of the workpiece 17 are helical teeth, the positioning pin 22 can move in the axial direction of the workpiece 17 to drive the workpiece 17 to slightly rotate (the diameter of the limiting pin 21 is smaller than that of the lightening hole 35, and the slight rotation of the workpiece 17 cannot be influenced), so that the angle of the workpiece 17 is adjusted, and the opening position of the key groove is determined, so that a specified angular relationship is maintained between the key groove and the teeth of the workpiece 17.
In addition, in actual use, the length of the positioning pin 22 extending out of the positioning pin seat 11 can be adjusted by rotating the limit nut 7, so that the positioning device is suitable for positioning workpieces 17 with different sizes. Specifically, because of end cover 6 fixes on locating pin seat 11, and locating pin 22 slides and alternates and can only do vertical motion on end cover 6 and locating pin seat 11, can drive locating pin 22 when rotatory stop nut 7 at vertical removal, adjust the length that locating pin 22 stretches out locating pin seat 11 from this, simple structure, convenient operation.
The specific operations of positioning the workpiece 17 in the fourth step are as follows:
work piece 17 is placed over locator post 28 so that key pin 31 is inserted into the keyway of work piece 17, and then snap into locator washer 30, locking locator nut 29. The three support legs 26 support the outer circle of the workpiece 17 at the bottom, and the positioning nut 29 presses the workpiece 17 upward, thereby positioning the workpiece 17 in the axial direction; key pin 31 is inserted into a key groove of workpiece 17, thereby positioning workpiece 17 in the radial direction. The supporting legs 26 are adopted to support the outer circle of the workpiece 17 from the bottom, so that the outer circle of the workpiece 17 can be effectively prevented from inclining up and down compared with the middle supporting, and the positioning effect is improved.
The positioning washer 30 is arranged below the positioning nut 29 in a cushioning mode, the positioning nut 29 can be prevented from being directly contacted with the workpiece 17, accordingly, the workpiece 17 is prevented from being abraded when the positioning nut 29 is rotated, and the quality of the workpiece 17 is guaranteed. The notch 34 is formed in the positioning washer 30, the positioning nut 29 does not need to be completely screwed out when the positioning washer 30 is disassembled and assembled, the positioning washer 30 can be directly pulled out or the positioning washer 30 can be installed only by screwing out the distance that the positioning washer 30 can move in the radial direction, and the disassembly and the assembly are convenient. In addition, when the workpiece 17 is taken down, the positioning nut 29 does not need to be completely screwed out, so that the workpiece 17 is convenient to take down, the operation is convenient, and the time is saved.
Example two
The difference between the present embodiment and the first embodiment is that the included angle a is 30 degrees, and as shown in fig. 8, when four weight-reducing holes 35 are uniformly arranged, the weight-reducing holes 35 and the threaded holes 36 do not overlap each other even if the included angle a is 30 degrees in the workpiece 17.
EXAMPLE III
The difference between this embodiment and the first embodiment is that the included angle a is 60 degrees, and as shown in fig. 9, that is, when four weight-reducing holes 35 are uniformly arranged, the weight-reducing holes 35 and the threaded holes 36 do not overlap each other even if the included angle a is 60 degrees in the workpiece 17.
Example four
The difference between the present embodiment and the first embodiment is that the number of the lightening holes 35 is two, and the included angle a is 0 to 60 degrees. That is, when there are two lightening holes 35, the lightening holes 35 and the threaded holes 36 do not overlap with each other as long as the included angle a is 0 to 60 degrees.
EXAMPLE five
The difference between the present embodiment and the first embodiment is that the number of the lightening holes 35 is three, and the included angle a is 0 degree or 30 to 60 degrees. That is, when there are three lightening holes 35, the included angle a is 0 degree or 30 to 60 degrees, and the lightening holes 35 and the threaded holes 36 do not overlap.
EXAMPLE six
The difference between the present embodiment and the first embodiment is that the number of the lightening holes 35 is six, and the included angle is 0 degree or 60 degrees. That is, when the lightening holes 35 are six and the included angle a is 0 degree or 60 degrees, the lightening holes 35 and the threaded holes 36 do not overlap.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A gear slotting and punching process is characterized in that: the method comprises the following steps:
the method comprises the following steps: forging at least one lightening hole on the workpiece at one time, wherein the lightening holes are uniformly distributed on the workpiece;
step two: manufacturing teeth;
step three: pulling out the key groove by using a groove pulling tool;
step four: processing a threaded hole;
the broaching tool comprises a winch, a guide sleeve and a positioning mechanism, wherein the guide sleeve and the positioning mechanism are fixed on the winch, a broaching groove penetrates through the guide sleeve in the axial direction, the positioning mechanism is located on one side of the guide sleeve, a limiting pin is fixed on the winch and used for being inserted into a lightening hole, and an included angle A is formed between the limiting pin and the broaching groove so as to avoid overlapping of the lightening hole and a threaded hole.
2. The gear slotting and tapping process according to claim 1, wherein: the positioning mechanism comprises a positioning pin boss, a positioning pin is arranged in the positioning pin boss in a penetrating mode in a vertical sliding mode, the positioning pin is connected with an elastic piece, the bottom end of the positioning pin can be clamped into a tooth groove of a workpiece, the positioning pin is connected with a driving assembly, the driving assembly is used for driving the positioning pin to vertically move in the positioning pin boss, a tooth angle adjusting cushion block is detachably mounted between the positioning mechanism and the hinge plate, and the diameter of the limiting pin is smaller than that of the lightening hole.
3. The gear slotting and tapping process according to claim 2, wherein: the drive assembly comprises an end cover, the end cover is fixed at the top of the positioning pin base, the positioning pin penetrates through the end cover in a sliding mode, a pressing rod is hinged to the end cover, one end of the pressing rod is provided with a clamping groove, the positioning pin is clamped in the clamping groove, the length of the clamping groove is larger than the diameter of the positioning pin, and a limiting nut is connected to the positioning pin in a threaded mode and used for limiting the pressing rod.
4. A gear grooving and trepanning process according to any one of claims 1 to 3, wherein: an adjusting part for adjusting the height of the key groove is arranged in the broach groove.
5. The gear slotting and tapping process according to claim 1, wherein: the tapping positioning tool is used for positioning a workpiece in the fourth step, the tapping positioning tool comprises a base and a chassis, at least two supporting legs are vertically fixed on the edge of the chassis, the supporting legs are used for supporting the excircle of the workpiece, a vertical positioning column is fixed in the middle of the chassis, a vertical key pin is fixed on the positioning column, and a positioning nut is connected to the top of the positioning column through threads.
6. The gear slotting and tapping process according to claim 5, wherein: the chassis is provided with a chip removal port.
7. The gear slotting and tapping process according to claim 6, wherein: the chip removal port is arranged between two adjacent supporting legs and is communicated with the gap between the two adjacent supporting legs.
8. The gear slotting and tapping process according to claim 7, wherein: a positioning washer is padded below the positioning nut, a notch is formed in the positioning washer, and the width of the notch is larger than the diameter of the top of the positioning column.
9. The gear slotting and tapping process according to claim 1, wherein: the number of the lightening holes is two, and the angle A is 0-60 degrees.
10. The gear slotting and tapping process according to claim 1, wherein: the number of the lightening holes is four, and the angle A is 30-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660279.2A CN114161102B (en) | 2021-12-31 | 2021-12-31 | Gear slotting and perforating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660279.2A CN114161102B (en) | 2021-12-31 | 2021-12-31 | Gear slotting and perforating process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114161102A true CN114161102A (en) | 2022-03-11 |
| CN114161102B CN114161102B (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111660279.2A Active CN114161102B (en) | 2021-12-31 | 2021-12-31 | Gear slotting and perforating process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202447926U (en) * | 2012-02-23 | 2012-09-26 | 中国重汽集团大同齿轮有限公司 | Single key pulling and positioning clamp for large-diameter inner hole gear |
| CN204148630U (en) * | 2014-09-11 | 2015-02-11 | 沈阳机床股份有限公司齿轮分公司 | Broaching machine cutter is to key guide pin bushing |
| CN105058137A (en) * | 2015-08-19 | 2015-11-18 | 重庆神箭汽车传动件有限责任公司 | Single-keyway broaching tool |
| WO2018041110A1 (en) * | 2016-08-29 | 2018-03-08 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake cylinder clearance adjustment mechanism and brake cylinder |
| CN209811344U (en) * | 2018-11-16 | 2019-12-20 | 四川海科机械制造有限公司 | Key slot pulling device |
| CN210967915U (en) * | 2019-10-12 | 2020-07-10 | 重庆秋田齿轮有限责任公司 | Positioning device for gear end face milling groove |
| CN212121803U (en) * | 2020-04-16 | 2020-12-11 | 沈阳中车西屋轨道制动技术有限公司 | Special-shaped workpiece drilling device for rear pull rod head of brake adjuster |
-
2021
- 2021-12-31 CN CN202111660279.2A patent/CN114161102B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202447926U (en) * | 2012-02-23 | 2012-09-26 | 中国重汽集团大同齿轮有限公司 | Single key pulling and positioning clamp for large-diameter inner hole gear |
| CN204148630U (en) * | 2014-09-11 | 2015-02-11 | 沈阳机床股份有限公司齿轮分公司 | Broaching machine cutter is to key guide pin bushing |
| CN105058137A (en) * | 2015-08-19 | 2015-11-18 | 重庆神箭汽车传动件有限责任公司 | Single-keyway broaching tool |
| WO2018041110A1 (en) * | 2016-08-29 | 2018-03-08 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake cylinder clearance adjustment mechanism and brake cylinder |
| CN209811344U (en) * | 2018-11-16 | 2019-12-20 | 四川海科机械制造有限公司 | Key slot pulling device |
| CN210967915U (en) * | 2019-10-12 | 2020-07-10 | 重庆秋田齿轮有限责任公司 | Positioning device for gear end face milling groove |
| CN212121803U (en) * | 2020-04-16 | 2020-12-11 | 沈阳中车西屋轨道制动技术有限公司 | Special-shaped workpiece drilling device for rear pull rod head of brake adjuster |
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| Publication number | Publication date |
|---|---|
| CN114161102B (en) | 2022-11-25 |
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