CN202984677U - Work fixture for machining crankshaft eccentric shaft - Google Patents
Work fixture for machining crankshaft eccentric shaft Download PDFInfo
- Publication number
- CN202984677U CN202984677U CN 201220632106 CN201220632106U CN202984677U CN 202984677 U CN202984677 U CN 202984677U CN 201220632106 CN201220632106 CN 201220632106 CN 201220632106 U CN201220632106 U CN 201220632106U CN 202984677 U CN202984677 U CN 202984677U
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- CN
- China
- Prior art keywords
- block
- vee
- square groove
- eccentric shaft
- frock clamp
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- 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 discloses a work fixture for machining a crankshaft eccentric shaft. The work fixture mainly comprises a flange plate, a movable V-shaped block, a fixed V-shaped block, a positioning block, an adjusting screw and guide rods, the flange plate is provided with a base, a square groove is arranged on the surface of the flange plate, two end walls of the square groove are respectively provided with a screw hole, the two V-shaped blocks are mounted in the square groove and used for clamping a workpiece (the eccentric shaft), the two guide rods are horizontally mounted on the fixed V-shaped block and are positioned on two sides of the workpiece (the eccentric shaft), the movable V-shaped block is inserted onto the two guide rods in a penetrating manner, the adjusting screw penetrates through the screw holes of the square groove and is abutted to the back of the movable V-shaped block, and the positioning block is arranged at the bottom of the fixed V-shaped block and used for preventing the workpiece from rotating relative to the square groove. Compared with the prior art, the work fixture brings much convenience for remodeling, product quality is greatly improved, machining rejection rate is reduced, and the work fixture has the advantages of convenience in assembly and disassembly, fine machining quality and high working efficiency.
Description
Technical field
The utility model relates to a kind of frock clamp, specifically the frock clamp used of a kind of machining crankshafts eccentric shaft.
Background technology
Crankshaft eccentric shaft is due to bias, frock in the past is that individual eccentric orfice is directly arranged on fixture, the aperture is that size is done extremely and cannot be regulated, when making the different workpiece of size model, remodel cumbersome, want standby many sleeve clamps and wearing and tearing in a single day occur, the bias that processes can be unstable, greatly affected crudy.
The utility model content
In order to overcome above-mentioned deficiency, the frock clamp that the utility model purpose is to provide a kind of to be installed and removed conveniently, crudy is good, machining crankshafts eccentric shaft high efficiency is used.
To achieve these goals, the technical solution adopted in the utility model is as follows:
the frock clamp that the machining crankshafts eccentric shaft is used, it is mainly by the ring flange with base, movable vee-block, fixing vee-block, locating piece, set screw and guide post consist of, the card of described ring flange is provided with square groove, be respectively equipped with screw on the end walls of described square groove, described two vee-blocks are arranged in square groove in order to workpiece (eccentric shaft) is clamped, two guide post levels are arranged on fixing vee-block and are positioned at the both sides of workpiece (eccentric shaft), movable vee-block interts on two guide posts, set screw passes from the screw of square groove the vee-block back side that the top is pressed in activity, described locating piece is located at the bottom of fixing vee-block, in order to prevent that workpiece from rotating relative to square groove.
The back side of the vee-block of described activity is provided with counterbore, and intert in counterbore the end of described set screw.
An end wall near fixing vee-block in described square groove is provided with three screws and three counterbores, is respectively equipped with two screws on the two side of described square groove, and ten screws pass respectively above-mentioned ten holes fixing vee-block is accurately located.
The two sides of described fixing vee-block are respectively equipped with two counterbores that screw is relative with the two side of square groove, and the end of described screw penetrates in this counterbore.
Be set with spring on described guide post, this spring is used for when vee-block is unclamped, automatically vee-block being pushed up back original position, handled easily when processing bent axle.
The surface of the V-type groove of the surface of the V-type groove of described fixing vee-block and movable vee-block is inlaid with respectively the wolfram steel layer.
Counterbore surface on counterbore surface on described fixing vee-block and movable vee-block is inlaid with respectively the wolfram steel layer.
Described base is fixed on the power plate of lathe by four soket head cap screws, and the bottom surface of base is provided with the projection as positioning wedged block, in the locating slot that is stuck in power plate.
The beneficial effects of the utility model: owing to adopting above-mentioned version, guaranteed in bent axle long shaft external diameter size when fluctuating to some extent, can guarantee eccentric size constancy by adjusting vee-block, and the vee-block that only need change the inside when changing the size of different model is just passable, also will calibrate the trouble that unit head brings when having avoided remodeling at every turn; Due to all counterbores and V-type groove are inlaid with the wolfram steel layer, therefore have characteristics sturdy and durable, long service life; Owing to being set with spring on guide post, when getting loose set screw, movable vee-block automatically resets under the effect of spring, greatly facilitates to clamp; The utility model is compared with original technology, has not only brought a lot of facilities to remodeling, and is greatly improved on to product quality especially, has reduced the percent defective of processing, and the effect after enforcement is also ideal.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation before the utility model frock clamp is installed;
Fig. 2 is the structural representation of flange base shown in Figure 1;
Fig. 3 is the structural representation after frock clamp is installed.
In figure: 1 is movable vee-block, and 2 are fixing vee-block, and 3 is workpiece, and 4 is guide post, and 5 is spring, and 6 is locating piece, and 7 is ring flange, and 8 is base, and 9 is square groove, and 10 is screw, and 11 is projection, and 12 is screw, and 13 is counterbore, and 14 is set screw.
The specific embodiment
as shown in Figure 1, the frock clamp that the machining crankshafts eccentric shaft is used, it is mainly by the ring flange 7 with base 8, movable vee-block 1, fixing vee-block 2, locating piece 6, set screw (not shown) and guide post 4 consist of, described base 8, be fixed on the power plate of lathe by four soket head cap screws, the bottom surface of base 8 is provided with as the protruding 11(of positioning wedged block as shown in Figure 2), in the locating slot that is stuck in power plate, the one, for the mounting flange base, prevent laterally offset, the 2nd, can carry out the adjusting to crankshaft eccentric on the fixture block direction, guarantee that crankshaft eccentric shaft is in the shaft core position of line shaft.The card of ring flange is provided with square groove 9, two vee-blocks are arranged in square groove 9 in order to (eccentric shaft) workpiece 3 is clamped, two guide post 4 levels are arranged on fixing vee-block 2 and are positioned at the both sides of (eccentric shaft) workpiece 3, movable vee-block 1 interts on two guide posts 4, is set with spring 5 on guide post 4, this spring 5, be used for when processing bent axle, when vee-block was unclamped, the vee-block 1 with activity pushed up back original position, handled easily automatically.Described locating piece 6 is located at the bottom of fixing vee-block 2, rotates relative to square groove in order to prevent (eccentric shaft) workpiece 3.
Be provided with three screws 12 and three counterbores 13 as the end wall near fixing vee-block 2 in Fig. 3 square groove 9, be respectively equipped with 10, ten screws of two screws on the two side of square groove and pass respectively above-mentioned ten holes fixing vee-block is accurately located.The two sides of fixing vee-block are respectively equipped with two counterbores that screw is relative with the two side of square groove, and the end of described screw penetrates in this counterbore.Another end wall of square groove is provided with a screw (not shown), and the back side of movable vee-block 1 is provided with counterbore, and set screw 14 is passed the counterbore that pushes up the back side that is pressed in movable vee-block 1 from the screw of square groove.In addition, the surface of the V-type groove of the surperficial and movable vee-block of the V-type groove of fixing vee-block is inlaid with respectively the wolfram steel layer; Counterbore surface on the vee-block of the counterbore surface on fixing vee-block and activity is inlaid with respectively the wolfram steel layer.
Operation principle: this fixture, mainly formed by two vee-blocks, wherein fixing vee-block is relative with jig main body fixing, movable vee-block and jig main body relative sliding, the position is adjustable, has guaranteed in bent axle long shaft external diameter size when fluctuating to some extent, can guarantee eccentric size constancy by adjusting vee-block, and the vee-block that only need change the inside when changing the size of different model is just passable, also will calibrate the trouble that unit head brings when having avoided remodeling at every turn.On relatively-stationary vee-block, make bent axle radially fixing by a positioning block simultaneously, prevent that the car minor axis from being that radial rotating occurs.In addition, for the eccentric throw bent axle different with the major axis excircle dimension, only need just can realize completing processing on logical fixture by regulating movable vee-block.
The above is preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model.Should be pointed out that for those skilled in the art, the technical solution of the utility model is modified or is equal to replacement, do not break away from protection domain of the present utility model.
Claims (8)
1. frock clamp that the machining crankshafts eccentric shaft is used, it is characterized in that: it is mainly by the ring flange with base, movable vee-block, fixing vee-block, locating piece, set screw and guide post consist of, the card of described ring flange is provided with square groove, be respectively equipped with screw on the end walls of described square groove, described two vee-blocks are arranged in square groove in order to workpiece is clamped, two guide post levels are arranged on fixing vee-block and are positioned at the both sides of workpiece, movable vee-block interts on two guide posts, set screw passes from the screw of square groove the vee-block back side that the top is pressed in activity, described locating piece is located at the bottom of fixing vee-block, in order to prevent that workpiece from rotating relative to square groove.
2. the frock clamp used of machining crankshafts eccentric shaft according to claim 1, it is characterized in that: the back side of the vee-block of described activity is provided with counterbore, and intert in counterbore the end of described set screw.
3. the frock clamp used of machining crankshafts eccentric shaft according to claim 1 and 2, it is characterized in that: the end wall near fixing vee-block in described square groove is provided with three screws and three counterbores, be respectively equipped with two screws on the two side of described square groove, ten screws pass respectively above-mentioned ten holes fixing vee-block are accurately located.
4. the frock clamp used of machining crankshafts eccentric shaft according to claim 3 is characterized in that: the two sides of described fixing vee-block are respectively equipped with two counterbores that screw is relative with the two side of square groove, and the end of described screw penetrates in this counterbore.
5. the frock clamp used of machining crankshafts eccentric shaft according to claim 4, is characterized in that: be set with the spring that pushes up back original position in order to the vee-block with activity on described guide post.
6. the frock clamp used of machining crankshafts eccentric shaft according to claim 1 is characterized in that: the surface of the V-type groove of the surface of the V-type groove of described fixing vee-block and movable vee-block is inlaid with respectively the wolfram steel layer.
7. the frock clamp used of machining crankshafts eccentric shaft according to claim 4 is characterized in that: the counterbore surface on the counterbore surface on described fixing vee-block and movable vee-block is inlaid with respectively the wolfram steel layer.
8. the frock clamp used of machining crankshafts eccentric shaft according to claim 1, it is characterized in that: described base is fixed on the power plate of lathe by four soket head cap screws, the bottom surface of base is provided with the projection as positioning wedged block, in the locating slot that is stuck in power plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632106 CN202984677U (en) | 2012-11-23 | 2012-11-23 | Work fixture for machining crankshaft eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632106 CN202984677U (en) | 2012-11-23 | 2012-11-23 | Work fixture for machining crankshaft eccentric shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202984677U true CN202984677U (en) | 2013-06-12 |
Family
ID=48555900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632106 Expired - Fee Related CN202984677U (en) | 2012-11-23 | 2012-11-23 | Work fixture for machining crankshaft eccentric shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202984677U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522104A (en) * | 2013-10-22 | 2014-01-22 | 玉环县张氏曲轴有限公司 | Positioning fixture of crank shaft |
| CN105619129A (en) * | 2016-03-24 | 2016-06-01 | 江苏瑞德机械有限公司 | Clamp for machining center holes in two ends of eccentric shaft |
| CN107984275A (en) * | 2017-12-23 | 2018-05-04 | 浙江弘隆机械有限公司 | Fixing tool for bent axle milling |
-
2012
- 2012-11-23 CN CN 201220632106 patent/CN202984677U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522104A (en) * | 2013-10-22 | 2014-01-22 | 玉环县张氏曲轴有限公司 | Positioning fixture of crank shaft |
| CN103522104B (en) * | 2013-10-22 | 2016-01-27 | 玉环县张氏曲轴有限公司 | The positioning fixture of bent axle |
| CN105619129A (en) * | 2016-03-24 | 2016-06-01 | 江苏瑞德机械有限公司 | Clamp for machining center holes in two ends of eccentric shaft |
| CN107984275A (en) * | 2017-12-23 | 2018-05-04 | 浙江弘隆机械有限公司 | Fixing tool for bent axle milling |
| CN107984275B (en) * | 2017-12-23 | 2023-08-15 | 浙江弘隆机械有限公司 | Fixing tool for milling crankshaft |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20161123 |