CN204122838U - Crankshaft toothed wheel keyway organisation of working - Google Patents
Crankshaft toothed wheel keyway organisation of working Download PDFInfo
- Publication number
- CN204122838U CN204122838U CN201420369070.XU CN201420369070U CN204122838U CN 204122838 U CN204122838 U CN 204122838U CN 201420369070 U CN201420369070 U CN 201420369070U CN 204122838 U CN204122838 U CN 204122838U
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- CN
- China
- Prior art keywords
- broaching tool
- toothed wheel
- fixed
- broaching
- crankshaft toothed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Crankshaft toothed wheel keyway organisation of working, belong to Gear Processing equipment technical field, it comprises gear fixture, broaching tool and pulling device, broaching tool is fixedly connected with the pulling shaft of broaching machine by pulling device, broaching tool is through gear fixture center, described gear fixture comprises the clamp body be fixed on broaching machine, clamp body is fixed with gear locating shaft, and described clamp body is also fixed with the pin positioning device to crankshaft toothed wheel circumference location; This pin positioning device is fixed on the upper left side of broach slot of FIG; The conehead of bearing pin is adopted to carry out circumference location to crankshaft toothed wheel, easy to operate, broaching tool can be avoided in working angles to produce circular vibration, improve product orientation precision, processed surface quality is improved; Adopt the bayonet socket of broaching tool grip block to broaching tool shank to position installation, make broaching tool steadily mobile in kerve, and mounting or dismounting are convenient, improve crankshaft toothed wheel keyway working (machining) efficiency.
Description
Technical field
The utility model relates to Gear Processing equipment technical field, especially a kind of crankshaft toothed wheel keyway organisation of working.
Background technology
Along with mechanical processing industry development, the precision of people to machining is more and more paid attention to, Gear Processing enterprise have also been obtained significant progress, gear usually needs to be undertaken drawing keyway operation by broaching machine in process, the method of normal employing fixture is processed into an entirety to be fixed on broaching machine, broaching tool is moved in fixture kerve, completes and draw keyway operation;
Crankshaft toothed wheel is the gear or the key gear that are contained in crankshaft front end, wheel disc is distributed with 58 helical teeth; Due to itself structure, crankshaft toothed wheel, when clamping, is not easily located; When drawing keyway, easily there is circular vibration, unstable product quality due to the reaction force of being broached in broaching tool, qualification rate is lower in working angles; In addition, after gear has drawn keyway, need broaching tool or crankshaft toothed wheel to disassemble from workbench, disassembly process is loaded down with trivial details, and operating efficiency is low.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of rational in infrastructure, meet gear keyway processing request and simple load and unload a kind of crankshaft toothed wheel keyway organisation of working for broaching machine.
The technical scheme in the invention for solving the technical problem is: crankshaft toothed wheel keyway organisation of working, comprise gear fixture, broaching tool and pulling device, broaching tool is fixedly connected with the pulling shaft of broaching machine by pulling device, broaching tool is through gear fixture center, it is characterized in that: described gear fixture comprises the clamp body be fixed on broaching machine, clamp body is fixed with gear locating shaft, gear locating shaft offers the broach slot of FIG passed through for broaching tool; Described clamp body is also fixed with the pin positioning device to crankshaft toothed wheel circumference location; This pin positioning device is fixed on the upper left side of broach slot of FIG.
As preferred version of the present utility model, described pin positioning device comprise be fixedly installed on clamp body) on fixed block), the sleeve pipe of bearing pin and this bearing pin nested, the lower end of described bearing pin is installed with conehead, described sleeve pipe and fixed block one-body molded, fixed block with offer the through hole be connected up and down in sleeve pipe; The bottom of through hole is threaded the guide cylinder moved up and down for described conehead, is also provided with the non-return mechanism making conehead spacing in described through hole.
As preferred version of the present utility model, described bearing pin comprises integrated axle body and axle tail, and the upper end of axle body is fixedly installed flexible handle, and the lower end of axle tail is installed with conehead, is provided with gear platform in the junction of described axle body and axle tail.
As preferred version of the present utility model, described non-return structure comprises the backstay be fixedly installed on axle body and the spring be sleeved on axle body; The axis of this backstay and the intersect vertical axis of described axle body, one end of spring is fixed on the gear platform of bearing pin, and the other end is fixed on guide cylinder, is also provided with the straight trough moved up and down for backstay in the upper end of sleeve pipe; During location, conehead stretches out described guide cylinder, and backstay is in the bottom of straight trough; When removing location, conehead is retracted described guide cylinder, and backstay rotates on the top end face of sleeve pipe.
As preferred version of the present utility model, described pulling device comprises the broaching tool box be fixedly connected with broaching machine pulling shaft, one end of broaching tool box is provided with the cylindrical void passed through for broaching tool, the top of broaching tool box is provided with broaching tool grip block, this grip block comprises the cover plate taken and put in broaching tool box upper end, and the below of cover plate is fixed with the riser matched with broaching tool bayonet socket.
The beneficial effects of the utility model are: adopt the conehead of bearing pin to carry out circumference location to crankshaft toothed wheel, easy to operate, broaching tool can be avoided in working angles to produce circular vibration, improve product orientation precision, processed surface quality is improved; Adopt the bayonet socket of broaching tool grip block to broaching tool shank to position installation, make broaching tool steadily mobile in kerve, and mounting or dismounting are convenient, improve crankshaft toothed wheel keyway working (machining) efficiency.
accompanying drawing illustrates:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the structural representation of the grip block of broaching tool shown in Fig. 1;
Fig. 3 is the perspective view of the positioner of taper pin shown in Fig. 1.
In figure: 1. crankshaft toothed wheel, 2. pulling device, 21. broaching tool grip blocks, 211. handles, 212. risers, 213. cover plates, 22. broaching tool box, 3. gear fixtures, 31. clamp bodies, 32. gear locating shaft, 4. pin positioning devices, 41, flexible handle, 42. bearing pins, 43. backstays, 44. springs, 45. guide cylinders, 46. coneheads, 47. fixed blocks, 48. sleeve pipes, 49. gear platform, 5. broaching tools, 6 broach slot of FIG.
detailed description of the invention:
With reference to Figure of description, the utility model is described in further detail.
As shown in Figure 1: crankshaft toothed wheel keyway organisation of working, comprise gear fixture 3, broaching tool 5 and pulling device 2, the shank of broaching tool 5 is provided with two bayonet sockets, this broaching tool 5 is fixedly connected with the pulling shaft of broaching machine by pulling device 2, broaching tool 5 is through gear fixture 3 center, described gear fixture 3 comprises the clamp body 31 be fixed on broaching machine, clamp body 31 is fixed with gear locating shaft 32, and the outside dimension of gear locating shaft 32 mates with the internal diameter size of crankshaft toothed wheel 1; Gear locating shaft 32 offers the broach slot of FIG 6 passed through for broaching tool;
The broaching tool box 22 that pulling device 2 of the present utility model comprises broaching tool grip block 21 and is fixedly connected with the pulling shaft of broaching machine, this broaching tool box 22 upper end open, the right-hand member of broaching tool box 22 is provided with the cylindrical void passed through for broaching tool 5, as shown in Figure 2: this broaching tool grip block 21 comprises the cover plate 213 taken and put in broaching tool box 22 upper end, the lower weld of cover plate 213 has two risers 212 matched with above-mentioned bayonet socket; Overall in π shape, above-mentioned two risers 212 also can be made of one with cover plate 213, its difficulty of processing relative complex, and the top of cover plate 213 is also fixed with handle 211;
During installation, it is inner that broaching tool 5 extend into broaching tool box 22 by above-mentioned through hole, then inserted from top to bottom by broaching tool grip block 21, make two risers 212 just in time be entrapped between two bayonet sockets of broaching tool 5 shank; Open broaching machine switch, the pulling shaft of broaching machine pulls broaching tool box 22 to be moved to the left, and two risers 212 relatively its sidewall of broaching tool box 22 hold out against, and then drives broaching tool 5 to move to left; After end-of-job, by broaching tool grip block 21 directly on take out, save trouble and labor, saves the time of bolt connection disassembling.
Described clamp body 31 is also fixed with pin positioning device 4, as shown in Fig. 3: as described in bearing pin 42 comprise integrated axle body 421 and axle tail 422, the upper end of axle body 421 is fixedly installed flexible handle 41, the lower end of axle tail 422 is installed with conehead 46, is provided with gear platform 49 in the junction of described axle body 421 and axle tail 422.
Non-return structure of the present utility model comprises the backstay 43 be fixedly installed on axle body 421 and the spring 44 be sleeved on axle body; The axis of this backstay 43 and the intersect vertical axis of described axle body 421, one end of spring 44 is fixed on the gear platform 49 of bearing pin 42, and the other end is fixed on guide cylinder 45, is also provided with the straight trough moved up and down for backstay 43 in the upper end of sleeve pipe 48, during location, backstay 43 is in the bottom of straight trough; When removing location, backstay 43 rotates on the top end face of sleeve pipe 48.
Pulling device 2 of the present utility model comprises the broaching tool box 22 be fixedly connected with broaching machine pulling shaft, one end of broaching tool box 22 is provided with the cylindrical void passed through for broaching tool 5, the top of broaching tool box 22 is provided with broaching tool grip block 21, this grip block (21) comprises the cover plate 213 taken and put in broaching tool box 22 upper end, and the below of cover plate 213 is fixed with the riser 212 matched with broaching tool bayonet socket.
When locating, backstay 43 is in the bottom of sleeve pipe 48 straight trough, and spring 44 is in relaxed state; When removing crankshaft toothed wheel 1 spacing, by backstay 43 from straight trough bottom along being threaded to sleeve pipe 48 top, spring 44 is in tensioning state, and the conehead 46 of bearing pin 42 end returns in described guide cylinder 45.
During installation, first crankshaft toothed wheel 1 is nested with on gear locating shaft 32, finds the telltale mark of crankshaft toothed wheel 1 accurately; Rotate backstay 43, between two teeth conehead 46 of bearing pin 42 being snapped in gear, gear is located; Pull lathe switch, broaching tool starts to move axially along broach slot of FIG 6, and blade cuts crankshaft toothed wheel 1, pulls out a keyway at crankshaft toothed wheel 1 internal diameter.
Except technical characteristic described in description, be those skilled in the art known technology.
Claims (5)
1. crankshaft toothed wheel keyway organisation of working, comprise gear fixture, broaching tool and pulling device, broaching tool is fixedly connected with the pulling shaft of broaching machine by pulling device, broaching tool is through gear fixture center, it is characterized in that: described gear fixture (3) comprises the clamp body (31) be fixed on broaching machine, clamp body (31) is fixed with gear locating shaft (32), gear locating shaft (32) offers the broach slot of FIG (6) passed through for broaching tool (5); Described clamp body (31) is also installed with the pin positioning device (4) to crankshaft toothed wheel (1) circumference location; This pin positioning device (4) is fixed on the upper left side of broach slot of FIG (6).
2. crankshaft toothed wheel keyway organisation of working according to claim 1, it is characterized in that: described pin positioning device (4) comprises the sleeve pipe (48) of the fixed block (47) be fixedly installed on clamp body (31), bearing pin (42) and this bearing pin nested (42), the lower end of described bearing pin (42) is installed with conehead (46), described sleeve pipe (48) is one-body molded with fixed block (47), and fixed block (47) offers with in sleeve pipe (48) through hole be connected up and down; The bottom of through hole is threaded the guide cylinder (45) moved up and down for described conehead (46), is also provided with the non-return mechanism making conehead (46) spacing in described through hole.
3. crankshaft toothed wheel keyway organisation of working according to claim 2, it is characterized in that: described bearing pin (42) comprises integrated axle body (421) and axle tail (422), the upper end of axle body (421) is fixedly installed flexible handle (41), the lower end of axle tail (422) is installed with conehead (46), is provided with gear platform (49) in the junction of described axle body (421) and axle tail (422).
4. crankshaft toothed wheel keyway organisation of working according to claim 3, is characterized in that: described non-return structure comprises the backstay (43) be fixedly installed on axle body (421) and the spring (44) be sleeved on axle body (421); The axis of this backstay (43) and the intersect vertical axis of described axle body (421), one end of spring (44) is fixed on the gear platform (49) of bearing pin (42), the other end is fixed on guide cylinder (45), the straight trough moved up and down for backstay (43) is also provided with in the upper end of sleeve pipe (48), during location, backstay (43) is in the bottom of straight trough; When removing location, backstay (43) rotates on the top end face of sleeve pipe (48).
5. crankshaft toothed wheel keyway organisation of working according to claim 1, it is characterized in that: described pulling device (2) comprises the broaching tool box (22) be fixedly connected with broaching machine pulling shaft, one end of broaching tool box (22) is provided with the cylindrical void passed through for broaching tool (5), the top of broaching tool box (22) is provided with broaching tool grip block (21), this grip block (21) comprises the cover plate (213) taken and put in broaching tool box (22) upper end, and the below of cover plate (213) is fixed with the riser (212) matched with broaching tool bayonet socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420369070.XU CN204122838U (en) | 2014-07-07 | 2014-07-07 | Crankshaft toothed wheel keyway organisation of working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420369070.XU CN204122838U (en) | 2014-07-07 | 2014-07-07 | Crankshaft toothed wheel keyway organisation of working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204122838U true CN204122838U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420369070.XU Expired - Fee Related CN204122838U (en) | 2014-07-07 | 2014-07-07 | Crankshaft toothed wheel keyway organisation of working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204122838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217083A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | Sprocket wheel keyway processing Jian Chi center alignment device and alignment method |
| CN107297519A (en) * | 2017-05-17 | 2017-10-27 | 金华新天齿轮有限公司 | A kind of proof-reading block in internal key groove processing |
-
2014
- 2014-07-07 CN CN201420369070.XU patent/CN204122838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217083A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | Sprocket wheel keyway processing Jian Chi center alignment device and alignment method |
| CN107297519A (en) * | 2017-05-17 | 2017-10-27 | 金华新天齿轮有限公司 | A kind of proof-reading block in internal key groove processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20150707 |
|
| EXPY | Termination of patent right or utility model |