CN202701468U - Crankshaft curved-bar key-slot machining device - Google Patents
Crankshaft curved-bar key-slot machining device Download PDFInfo
- Publication number
- CN202701468U CN202701468U CN 201220373185 CN201220373185U CN202701468U CN 202701468 U CN202701468 U CN 202701468U CN 201220373185 CN201220373185 CN 201220373185 CN 201220373185 U CN201220373185 U CN 201220373185U CN 202701468 U CN202701468 U CN 202701468U
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- China
- Prior art keywords
- curved bar
- crank throw
- bent axle
- milling cutter
- bar keyway
- 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
The utility model aims at solving the problems in the prior art by utilizing a straight-handle milling cutter to machine a crankshaft curved-bar key slot that the machining efficiency is low and the cost is high, and provides crankshaft curved-bar key-slot machining device. The machining device comprises a worktable, a clamping unit and a machining unit; the clamping unit is used for fixing a crankshaft; the machining unit comprises a column, a transverse slide rail, a machine head seat and a machine head; and the machine head is provided with a milling cutter chuck, the machine head is movably connected with the machine head seat, the machine head can be adjusted in the vertical direction or in the longitudinal direction and fixed, the machine head seat is connected with the transverse slide rail and can move on the transverse slide rail, and the transverse slide rail is fixedly connected with the column. The crankshaft curved-bar key-slot machining device can effectively improve the machining efficiency and reduce the machining cost; and moreover, a clamp in the crankshaft curved-bar key-slot machining device is easy for dismantling and rotating the crankshaft, and the cranked curved-bar key-slot machining device has advantages of high machining efficiency and strong coordination capacity.
Description
Technical field
The utility model relates to a kind of crankshaft processing device, particularly a kind of bent axle curved bar keyway attachment.
Background technology
Bent axle is the strength member of load, transferring power of withstanding shocks in the engine.And bent axle curved bar keyway is as the core position of bent axle transmission of power, its processing precision direct influence bent axle load that withstands shocks, the performance of transferring power.In the prior art, in order to guarantee the machining accuracy of bent axle curved bar keyway, usually adopt straight shank milling cutter machining crankshafts curved bar keyway, parallel feed during owing to straight shank milling cutter machining crankshafts curved bar keyway, its processing resistance is larger, efficient is low, and service life is short, and cutter is expensive, cost is higher, obviously, it is lower to use straight shank milling cutter machining crankshafts curved bar keyway to exist working (machining) efficiency in the prior art, the problem that cost is higher.
The utility model content
Lower for solving the working (machining) efficiency of using straight shank milling cutter machining crankshafts curved bar keyway to exist in the prior art, the problem that cost is higher.The utility model proposes a kind of bent axle curved bar keyway attachment.
Bent axle curved bar keyway attachment of the present utility model comprises workbench, clamping unit and machining cell; Clamping unit is installed on the workbench, and machining cell is arranged at the clamping unit top; Described clamping unit comprises crank throw hold-down mechanism and two cover tailstocks, described crank throw hold-down mechanism comprises crank throw isometry block, cylinder, briquetting and support, the crank throw isometry block is highly different two and is arranged side by side, cylinder is arranged at crank throw isometry block top and is fixedly connected with support, briquetting is fixed on the piston rod of cylinder and simultaneously corresponding two crank throw isometry blocks, support is fixed on the workbench, two the cover tailstocks be symmetrical arranged and its tailstock center on same axis; Described machining cell comprises column, horizontal slide rail, headstock and head; Be provided with cutter chuck on the head, and head and headstock is actively coupled and can be up and down or front and back adjust and fixing, headstock connects horizontal slide rail and can be in that laterally slide rail is mobile, laterally slide rail and column are fixedly connected.
Further, the cutter chuck of the utility model bent axle curved bar keyway attachment can clamping straight shank milling cutter and T-shaped milling cutter; Described T-shaped milling cutter comprises staight shank and facing cutter, and an end of staight shank is facing cutter fixedly, and the other end is installed in the cutter chuck, and the thickness of facing cutter equals the width of bent axle curved bar keyway; The diameter of described straight shank milling cutter is identical with the width of curved bar keyway.
Further, two different crank throw isometry blocks of the height that the utility model bent axle curved bar keyway attachment is arranged side by side are distinguished corresponding curved bar keyways in the different angles of work top, namely when crank throw when highly lower crank throw isometry block is fixed, the curved bar keyway is horizontal, when crank throw when highly higher crank throw isometry block is fixed, the curved bar keyway is in vertical position.
The beneficial effect of bent axle curved bar keyway attachment of the present utility model is: bent axle curved bar keyway attachment of the present utility model adopts T-shaped milling cutter to go out bent axle curved bar keyway in a side milling of bent axle curved bar, given full play to the higher advantage of T-shaped milling cutter working (machining) efficiency, improved greatly production efficiency, reduced production cost, effectively guaranteed the crudy of bent axle curved bar keyway, simultaneously, use straight shank milling cutter machining crankshafts curved bar keyway circular arc, the straight shank milling cutter vertical feed, horizontal feed is less, so the utility model has not only utilized the high advantage of the vertical working (machining) efficiency of straight shank milling cutter but also has fully satisfied the requirement of bent axle curved bar keyway processing technology; In a word, bent axle curved bar keyway attachment of the present utility model has effectively utilized the processed edge separately of T-shaped milling cutter and straight shank milling cutter, mutually remedied the deficiency of T-shaped milling cutter and straight shank milling cutter, efficiently solve and use the processing unit (plant) of straight shank milling cutter machining crankshafts curved bar keyway to exist working (machining) efficiency lower in the prior art, the problem that cost is higher, and, clamp structure in the utility model is simple, be easy to bent axle dismounting and rotation and regulate, totally present the higher and stronger advantage of coordination function of working (machining) efficiency of bent axle curved bar keyway attachment of the present utility model.
Description of drawings
Fig. 1 is the structural representation that the utility model bent axle curved bar keyway attachment uses T-shaped milling cutter;
Fig. 2 is that the utility model bent axle curved bar keyway attachment machining cell is faced structural representation;
Fig. 3 is the utility model bent axle curved bar keyway attachment machining cell plan structure schematic diagram;
Fig. 4 is the structural representation of the utility model bent axle curved bar keyway attachment crank throw hold-down mechanism;
Fig. 5 is that bent axle curved bar splined end is the schematic diagram of circular arc.
The specific embodiment
Fig. 1 is the structural representation that the utility model bent axle curved bar keyway attachment uses T-shaped milling cutter, Fig. 2 is that the utility model bent axle curved bar keyway attachment machining cell is faced structural representation, Fig. 3 is the utility model bent axle curved bar keyway attachment machining cell plan structure schematic diagram, Fig. 4 is the utility model bent axle curved bar keyway attachment crank throw hold-down mechanism structural representation, among the figure, 1 is workbench, 2-1 is the crank throw hold-down mechanism, and 2-2 is tailstock, and 3-1 is column, 3-2 is horizontal slide rail, 3-3 is headstock, and 3-4 is head, and 2-1-1 is the crank throw isometry block, 2-1-2 is cylinder, 2-1-3 is briquetting, and 2-1-4 is support, and 4-1 is straight shank milling cutter, 5 is bent axle, and 5-1 is crank throw.As seen from the figure, bent axle curved bar keyway attachment of the present utility model comprises workbench 1, clamping unit and machining cell; Clamping unit is installed on the workbench 1, and machining cell is arranged at the clamping unit top; Described clamping unit comprises crank throw hold-down mechanism 2-1 and two cover tailstock 2-2, described crank throw hold-down mechanism 2-1 comprises crank throw isometry block 2-1-1, cylinder 2-1-2, briquetting 2-1-3 and support 2-1-4, crank throw isometry block 2-1-1 is highly different two and is arranged side by side, cylinder 2-1-2 is arranged at crank throw isometry block 2-1-1 top and is fixedly connected with support 2-1-4, briquetting 2-1-3 is fixed on the piston rod of cylinder and simultaneously corresponding two crank throw isometry blocks, support 2-1-4 is fixed on the workbench 1, two cover tailstock 2-2 be symmetrical arranged and its tailstock center on same axis; Described machining cell comprises column 3-1, horizontal slide rail 3-2, headstock 3-3 and head 3-4; Be provided with cutter chuck on the head, and head 3-4 and headstock 3-3 is actively coupled and can be up and down or front and back adjust and fixing, headstock 3-3 connects horizontal slide rail 3-2 and can be in that laterally slide rail is mobile, laterally slide rail 3-2 and column 3-1 are fixedly connected.The utility model bent axle curved bar keyway 5-2 processing unit (plant) adopts two cover tailstock 2-2 clamping bent axles, and the thimble of tailstock 2-2 heads in the centre bore of bent axle curved bar, can determine preferably the center line of bent axle curved bar, and bent axle 5 is accurately located when being fixed.And two crank throw isometry block 2-1-1 of crank throw hold-down mechanism 2-1, corresponding bent axle curved bar keyway 5-2 is in the different angles of work top respectively, when crank throw 5-1 when highly lower crank throw isometry block 2-1-1 is fixed, bent axle curved bar keyway 5-2 is horizontal, when crank throw 5-1 when highly higher crank throw isometry block 2-1-1 is fixed, bent axle curved bar keyway 5-2 is in vertical position.Thus, can so that the cutter chuck of the utility model bent axle curved bar keyway attachment clamping straight shank milling cutter 4-1 and T-shaped milling cutter are processed the curved bar keyway respectively; Described T-shaped milling cutter comprises staight shank and facing cutter, and an end of staight shank is facing cutter fixedly, and the other end is installed in the cutter chuck, and the thickness of facing cutter equals the width of bent axle curved bar keyway; The diameter of described straight shank milling cutter is identical with the width of curved bar keyway.
To shown in Figure 5, adopt the utility model bent axle curved bar keyway attachment machining crankshafts curved bar keyway such as Fig. 1, may further comprise the steps:
(1) bent axle clamps: hold out against the bent axle curved bar by two cover tailstock 2-2, as shown in Figure 1, rotation crank throw 5-1 also is positioned over crank throw 5-1 on the highly lower crank throw isometry block 2-1-1, starts cylinder 2-1-1, compresses crank throw 5-1 by briquetting 2-1-3.
(2) tool setting: at cutter chuck T-shaped milling cutter is installed, is adjusted the position of head 3-4 on headstock, make the feed position of T-shaped milling cutter and the specification requirement that depth of cut satisfies bent axle curved bar keyway 5-2; Be that milling cutter mid-depth line overlaps with bent axle curved bar keyway 5-2 width centreline, depth of cut is identical with the bent axle curved bar keyway 5-2 degree of depth; Described T-shaped milling cutter comprises staight shank and facing cutter, and an end of staight shank is facing cutter fixedly, and the other end is installed in the cutter chuck, and the thickness of facing cutter equals the width of bent axle curved bar keyway.
(3) processing: power-on, T-shaped milling cutter goes out bent axle curved bar keyway in a side milling of bent axle curved bar, and along with the movement of headstock 3-3 on horizontal slide rail 3-2, the length of bent axle curved bar keyway 5-2 continues to increase, until required bent axle curved bar keyway 5-2 length.
(4) detect: start cylinder 2-1-2, briquetting 2-1-3 returns, the bent axle curved bar keyway 5-2 degree of depth, width and the length of taking off 5 pairs of processing of bent axle check, can adjust the position of head 3-4 on headstock 3-3 as undesirable, until the bent axle curved bar keyway 5-2 that processes satisfies specification requirement.
(5) bent axle curved bar keyway processing: change bent axle to be processed 5, namely hold out against bent axle 5 by two cover tailstock 2-2, rotation crank throw 5-1 also is positioned over crank throw 5-1 on the highly lower crank throw isometry block 2-1-1, starts cylinder 2-1-2, compresses crank throw 5-1 by briquetting 2-1-3; Power-on, T-shaped milling cutter goes out bent axle curved bar keyway 5-2 in a side milling of bent axle curved bar.
As shown in Figure 1, bent axle curved bar keyway attachment of the present utility model uses T-shaped milling cutter to mill out bent axle curved bar keyway 5-2, given full play to the higher advantage of T-shaped milling cutter working (machining) efficiency, improved greatly production efficiency, reduce production cost, effectively guaranteed the crudy of bent axle curved bar keyway 5-2.
,, if requiring to be circular arc, the end of processed bent axle curved bar keyway 5-2 then needs after finishing above-mentioned manufacturing procedure, to carry out again following steps to shown in Figure 5 such as Fig. 1:
(6) bent axle clamps: hold out against bent axle 5 by two cover tailstock 2-2, rotation crank throw 5-1 also is positioned over crank throw 5-1 on the highly higher crank throw isometry block 2-1-1, starts cylinder 2-1-2, compresses crank throw 5-1 by briquetting 2-1-3.
(7) tool setting: straight shank milling cutter 4-1 is installed at cutter chuck, adjust the position of head 3-4 on headstock 3-3, make axis and the bent axle curved bar width of keyway central lines of straight shank milling cutter 4-1, make the depth of cut of straight shank milling cutter equal the bent axle curved bar keyway 5-2 degree of depth; The diameter of described straight shank milling cutter 4-1 equals bent axle curved bar keyway 5-2 width.
(8) processing: power-on, straight shank milling cutter 4-1 mills out bent axle curved bar keyway 5-2 inclined-plane to T-shaped milling cutter and processes, and along with headstock 3-3 is mobile at horizontal slide rail 3-2, straight shank milling cutter 4-1 is processed into circular arc with bent axle curved bar keyway 5-2 end gradually.
(9) detect: start cylinder 2-1-2, briquetting 2-1-3 returns, the bent axle curved bar keyway 5-2 end circular arc of taking off 5 pairs of processing of bent axle checks, can adjust the position of head 3-4 on headstock 3-3 as undesirable, until the bent axle curved bar keyway 5-2 that processes satisfies specification requirement.
(10) bent axle curved bar keyway circular arc end processing: change bent axle to be processed 5, namely hold out against bent axle 5 by two cover tailstock 2-2, rotation crank throw 5-1 also is positioned over crank throw 5-1 on the highly higher crank throw isometry block 2-1-1, starts cylinder 2-1-2, compresses crank throw 5-1 by briquetting 2-1-3; Open head 3-4, headstock 3-3 is in the mobile circular arc of using straight shank milling cutter 4-1 to mill out bent axle curved bar keyway 5-2 end of horizontal slide rail 3-2.
Such as Fig. 2 and shown in Figure 5, bent axle curved bar keyway attachment of the present utility model uses straight shank milling cutter 4-1 machining crankshafts curved bar keyway 5-2 circular arc, straight shank milling cutter 4-1 vertical feed, horizontal feed is less, so the utility model has not only utilized the high advantage of the vertical working (machining) efficiency of straight shank milling cutter 4-1 but also has fully satisfied the requirement of bent axle curved bar keyway 5-2 processing technology.
In a word, extremely shown in Figure 5 such as Fig. 1, bent axle curved bar keyway attachment of the present utility model has effectively utilized the processed edge separately of T-shaped milling cutter and straight shank milling cutter 4-1, mutually remedied the deficiency of T-shaped milling cutter and straight shank milling cutter 4-1, efficiently solve and use the processing unit (plant) of straight shank milling cutter 4-1 machining crankshafts curved bar keyway 5-2 to exist working (machining) efficiency lower in the prior art, the problem that cost is higher.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. bent axle curved bar keyway attachment, it is characterized in that: this device comprises workbench, clamping unit and machining cell; Clamping unit is installed on the workbench, and machining cell is arranged at the clamping unit top; Described clamping unit comprises crank throw hold-down mechanism and two cover tailstocks, described crank throw hold-down mechanism comprises crank throw isometry block, cylinder, briquetting and support, the crank throw isometry block is highly different two and is arranged side by side, cylinder is arranged at crank throw isometry block top and is fixedly connected with support, briquetting is fixed on the piston rod of cylinder and simultaneously corresponding two crank throw isometry blocks, support is fixed on the workbench, two the cover tailstocks be symmetrical arranged and its tailstock center on same axis; Described machining cell comprises column, horizontal slide rail, headstock and head; Be provided with cutter chuck on the head, and head and headstock is actively coupled and can be up and down or front and back adjust and fixing, headstock connects horizontal slide rail and can be in that laterally slide rail is mobile, laterally slide rail and column are fixedly connected.
2. bent axle curved bar keyway attachment according to claim 1 is characterized in that: described cutter chuck can clamping straight shank milling cutter and T-shaped milling cutter; Described T-shaped milling cutter comprises staight shank and facing cutter, and an end of staight shank is facing cutter fixedly, and the other end is installed in the cutter chuck, and the thickness of facing cutter equals the width of bent axle curved bar keyway; The diameter of described straight shank milling cutter is identical with the width of curved bar keyway.
3. bent axle curved bar keyway attachment according to claim 1, it is characterized in that: two different crank throw isometry blocks of the described height that is arranged side by side are distinguished corresponding curved bar keyways in the different angles of work top, namely when crank throw when highly lower crank throw isometry block is fixed, the curved bar keyway is horizontal, when crank throw when highly higher crank throw isometry block is fixed, the curved bar keyway is in vertical position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373185 CN202701468U (en) | 2012-07-31 | 2012-07-31 | Crankshaft curved-bar key-slot machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373185 CN202701468U (en) | 2012-07-31 | 2012-07-31 | Crankshaft curved-bar key-slot machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701468U true CN202701468U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373185 Expired - Fee Related CN202701468U (en) | 2012-07-31 | 2012-07-31 | Crankshaft curved-bar key-slot machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773537A (en) * | 2012-07-31 | 2012-11-14 | 重庆歇马机械曲轴有限公司 | Crank shaft crank lever keyway processing device and processing method |
-
2012
- 2012-07-31 CN CN 201220373185 patent/CN202701468U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773537A (en) * | 2012-07-31 | 2012-11-14 | 重庆歇马机械曲轴有限公司 | Crank shaft crank lever keyway processing device and processing method |
| CN102773537B (en) * | 2012-07-31 | 2014-11-26 | 重庆歇马机械曲轴有限公司 | Crank shaft crank lever keyway processing device and processing method |
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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: 20130130 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |