CN202742076U - Broaching clamp for forming sleeve key groove - Google Patents
Broaching clamp for forming sleeve key groove Download PDFInfo
- Publication number
- CN202742076U CN202742076U CN 201220440047 CN201220440047U CN202742076U CN 202742076 U CN202742076 U CN 202742076U CN 201220440047 CN201220440047 CN 201220440047 CN 201220440047 U CN201220440047 U CN 201220440047U CN 202742076 U CN202742076 U CN 202742076U
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- broaching tool
- broaching
- clamp body
- clamp
- workpiece
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- Withdrawn - After Issue
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model discloses a broaching clamp for a forming sleeve key groove. The broaching clamp comprises a clamp body, wherein a spigot matched with a machine tool is formed in the left end of the clamp body; a broaching tool backing plate is arranged on the clamp body; a broaching tool is arranged on the broaching tool backing plate; a positioning disk is connected to the clamp body and is used for positioning an excircle and the end face of a workpiece; the broaching tool penetrates through the positioning disk; and workpeice pressing devices for pressing the workpieces are arranged on the clamp body. The workpiece pressing devices comprise oil cylinders; a connecting plate is hinged to the top of each oil cylinder connecting rod; a support rod is hinged to the middle of each connecting plate; a pressure lever is hinged to the other end of each connecting plate; a pressure head is connected to the bottom end of each pressure lever; during work, the pressure head downwards presses the workpieces; and two sets of workpiece pressing devices are arranged on two sides of the positioning disk and are used for pressing two ends of the workpieces. According to the broaching clamp disclosed by the utility model, on the premise of ensuring the processing precision of the workpieces, the labor intensity of workers is reduced and the production efficiency is greatly increased; and meanwhile, the replacement frequency of the tool is reduced and the producing and manufacturing cost is reduced.
Description
Technical field
The utility model relates to a kind of fixture for machine tool.
Background technology
Along with the fast development of China's industry manufacturing and the progress of mechanical technique, the competition of field of machining is also more and more fierce.Mechanical industry enters low margin age, this present situation forces mechanical processing industry constantly to innovate and to improve, abandon highly energy-consuming in the past, high consumptive material, high labour intensity and the inefficient mode of production, the new method that positive searching is saved energy and reduce the cost, used manpower and material resources sparingly.
Fig. 6, part shown in Figure 7 have a width to be for existing 7C connects the fork cover on the part
Mm is wide, dark 6mm, take the keyway 51 of spline reference circle as the benchmark symmetry as 0.03mm, traditional processing mode is that the syndeton of utilizing pneumatic cylinder or hydraulic cylinder to form is pushed down interior nest with spline mandrel location, carry out Milling Process at milling machine, because cutter wear, need often to change the reasons such as cutter and process time be long, cause working (machining) efficiency excessively low, delay manufacturing schedule, production cost is improved.
The utility model content
The purpose of this utility model is to provide a kind of fork cover keyway broaching clamp for machining that connects.
For achieving the above object, the fork cover keyway broaching clamp for machining that connects of the present utility model comprises clamp body, and the clamp body left end is provided with the seam suitable with lathe, and clamp body is provided with the broaching tool backing plate, and the broaching tool backing plate is provided with broaching tool; Clamp body is connected with positioning disk, and positioning disk is used for cylindrical and the end face of positioning workpieces, and described broaching tool passes described positioning disk; Clamp body is provided with the workpiece pressuring clamping device for workpiece pressing.
Described workpiece pressuring clamping device comprises oil cylinder, and the oil cylinder connecting rod top is hinged with connecting plate, and the connecting plate middle part is hinged with pole, and the connecting plate other end is hinged with depression bar, and the depression bar bottom is connected with pressure head, the downward workpiece pressing of pressure head during work; Described workpiece pressuring clamping device is provided with two covers in the both sides of described positioning disk, is used for the two ends of workpiece pressing.
Broaching tool in the described positioning disk is provided with locating block device, locating block device comprises the locating slot that arranges on the broaching tool, the broaching tool at locating slot place is connected with locating piece by dog screw, be installed with spring between locating piece and the locating slot cell wall, locating piece setting corresponding to the workpiece keyway is used for the coarse positioning workpiece.
Bilateral symmetry in described broaching tool on the described clamp body is provided with the broaching tool positioner, described broaching tool positioner comprises the traveller that is slidingly connected on the clamp body, traveller is connected with deep groove ball bearing towards broaching tool one side by cylindrical pins, traveller deviates from broaching tool one side and is connected with adjusting bolt, and adjusting bolt is screwed onto on the clamp body; Described symmetrically arranged two cover broaching tool positioners form the broaching tool detent mechanism.
Described broaching tool detent mechanism is interval with three covers along described broaching tool on described clamp body.
The utlity model has following advantage:
1. after using the utility model to substitute the anchor clamps of original milling key groove, still adopt the normal hydraulic oil cylinder, compared originally and on CNC milling machine, keyway milling was processed, under the prerequisite that guarantees Workpiece Machining Accuracy, reduced workman's labour intensity, improved greatly production efficiency (through test, produce 100-120 spare by original per tour after new anchor clamps use and bring up to per tour production 400-450 spare, production efficiency has improved 3-4 doubly), reduce simultaneously the replacement frequency of cutter, reduced manufacturing cost.
2. workpiece pressuring clamping device is simple in structure, reliable operation.Utilize hydraulic pressure form workpiece pressing, thereby can alleviate workman's labour intensity.
3. arranging conveniently of locating block device carried out first coarse positioning to workpiece, by positioning disk workpiece φ 158 cylindricals accurately located again, and be very easy to use.Simultaneously locating block device requires before processing first that the keyway place forges a groove on the workpiece blank cylindrical, thereby not only can also reduce the broaching amount as roughly location criterion, improves broaching efficient, reduces the wearing and tearing of broaching tool, improves broaching tool service life.
4. broaching tool can be accurately located in the setting of broaching tool positioner, and the control broaching tool moves along rectilinear direction.Simultaneously owing to having adopted deep groove ball bearing clamping broaching tool, so the force of rolling friction between broaching tool positioner and the broaching tool is very little.
5. the broaching tool detent mechanism is interval with three covers at described clamp body, can guarantee better the linearity of broaching tool in advancing.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model;
Fig. 3 is that the D-D of Fig. 1 is to cutaway view;
Fig. 4 is that the E-E of Fig. 2 is to cutaway view;
Fig. 5 is the enlarged drawing at A place among Fig. 1;
Fig. 6 is the sectional structure schematic diagram of workpiece to be machined;
Fig. 7 is the left view of Fig. 6.
The specific embodiment
To shown in Figure 5, the fork cover keyway broaching clamp for machining that connects of the present utility model comprises clamp body 1 such as Fig. 1, and clamp body 1 left end is provided with the seam 41 suitable with lathe, and clamp body 1 is provided with broaching tool backing plate 13, and broaching tool backing plate 13 is provided with broaching tool 2; Clamp body 1 is connected with positioning disk 10 by soket head cap screw, and positioning disk 10 is used for cylindrical and the end face of positioning workpieces.Described broaching tool 2 passes described positioning disk 10; Clamp body 1 is provided with the workpiece pressuring clamping device for workpiece pressing.Clamp body 1 bottom of described seam 41 opposite sides is provided with supports backing plate 15, and clamp body 1 one sides are connected on the lathe by described seam 41 during use, and the support backing plate 15 of clamp body 1 opposite side is connected with lathe by cylinder screw 16.
Such as Fig. 1, Fig. 2 and shown in Figure 4, described workpiece pressuring clamping device comprises oil cylinder 25, and oil cylinder 25 is connected on the clamp body 1 by oil cylinder base plate 26.Oil cylinder connecting rod 19 tops are hinged with connecting plate 17, and connecting plate 17 middle parts are hinged with pole 18, and connecting plate 17 other ends are hinged with depression bar 9, and depression bar 9 bottoms are connected with pressure head 6 by pin 7 and split pin 8, pressure head 6 downward workpiece pressings during work; Described workpiece pressuring clamping device is provided with two covers in the both sides of described positioning disk 10, is used for the two ends of workpiece pressing.
Such as Fig. 1 and shown in Figure 5, broaching tool 2 in the described positioning disk 10 is provided with locating block device, locating block device comprises the locating slot 42 that arranges on the broaching tool 2, the broaching tool 2 at locating slot 42 places upwards is connected with locating piece 5 by dog screw 4, be installed with spring 3 between the cell wall of locating piece 5 and locating slot 42, locating piece 5 setting corresponding to the workpiece keyway is used for the coarse positioning workpiece.
Extremely shown in Figure 5 such as Fig. 1, bilateral symmetry in described broaching tool 2 on the described clamp body 1 is provided with broaching tool 2 positioners, described broaching tool 2 positioners comprise the traveller 23 that is slidingly connected on the clamp body 1, traveller 23 is connected with deep groove ball bearing 31 towards broaching tool 2 one sides by cylindrical pins 22, traveller 23 deviates from broaching tool 2 one sides and is connected with adjusting bolt 21, and adjusting bolt 21 is screwed onto on the clamp body 1 and it is connected with cover plate 29 by hex nut 27.Described broaching tool 2 is by deep groove ball bearing 31 clamping positions of its both sides during work, can regulate compaction forces between deep groove ball bearing 31 and the broaching tool 2 by adjusting bolt 21, thereby guarantees that broaching tool 2 moves along rectilinear direction.Described symmetrically arranged two cover broaching tools, 2 positioners form broaching tool 2 detent mechanisms.Described broaching tool 2 detent mechanisms are interval with three covers along broaching tool 2 on described clamp body 1.
Before the use, the keyway place forges a blank groove on the workpiece blank cylindrical first.During with the utility model holding workpiece, locating piece 5 is put into this blank groove on the workpiece, workpiece is carried out coarse positioning, and then excircle of workpiece is put into positioning disk 10 location, utilize φ 158 cylindricals of 10 pairs of workpiece of positioning disk accurately to locate.Utilize oil cylinder 25 to drive depression bar 9 and move downward by oil cylinder connecting rod 19, connecting plate 17 behind the location, pole 18 is supported connecting plate 17 middle parts in this process; Depression bar 9 band dynamic heads 6 move downward, and make pressure head 6 workpiece pressings, thereby finish location and compression clamping to workpiece.Behind the workpiece pressing, broaching machine drives the keyway of broaching tool 2 broaching workpiece, adopts the mode of broaching processing to finish keyway processing.The utility model has reduced workman's labour intensity under the prerequisite that guarantees Workpiece Machining Accuracy, improved greatly production efficiency, has reduced simultaneously the replacement frequency of cutter, has reduced manufacturing cost.
Claims (5)
1. connect fork cover keyway broaching clamp for machining, comprise clamp body, it is characterized in that: the clamp body left end is provided with the seam suitable with lathe, and clamp body is provided with the broaching tool backing plate, and the broaching tool backing plate is provided with broaching tool; Clamp body is connected with positioning disk, and positioning disk is used for cylindrical and the end face of positioning workpieces, and described broaching tool passes described positioning disk; Clamp body is provided with the workpiece pressuring clamping device for workpiece pressing.
2. the fork that connects according to claim 1 overlaps the keyway broaching clamp for machining, it is characterized in that: described workpiece pressuring clamping device comprises oil cylinder, the oil cylinder connecting rod top is hinged with connecting plate, the connecting plate middle part is hinged with pole, the connecting plate other end is hinged with depression bar, the depression bar bottom is connected with pressure head, the downward workpiece pressing of pressure head during work;
Described workpiece pressuring clamping device is provided with two covers in the both sides of described positioning disk, is used for the two ends of workpiece pressing.
3. the fork that connects according to claim 1 and 2 overlaps the keyway broaching clamp for machining, it is characterized in that:
Broaching tool in the described positioning disk is provided with locating block device, locating block device comprises the locating slot that arranges on the broaching tool, the broaching tool at locating slot place is connected with locating piece by dog screw, be installed with spring between locating piece and the locating slot cell wall, locating piece setting corresponding to the workpiece keyway is used for the coarse positioning workpiece.
4. the fork that connects according to claim 3 overlaps the keyway broaching clamp for machining, it is characterized in that: the bilateral symmetry in described broaching tool on the described clamp body is provided with the broaching tool positioner, described broaching tool positioner comprises the traveller that is slidingly connected on the clamp body, traveller is connected with deep groove ball bearing towards broaching tool one side by cylindrical pins, traveller deviates from broaching tool one side and is connected with adjusting bolt, and adjusting bolt is screwed onto on the clamp body;
Described symmetrically arranged two cover broaching tool positioners form the broaching tool detent mechanism.
5. the fork that connects according to claim 4 overlaps the keyway broaching clamp for machining, and it is characterized in that: described broaching tool detent mechanism is interval with three covers along described broaching tool on described clamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440047 CN202742076U (en) | 2012-08-31 | 2012-08-31 | Broaching clamp for forming sleeve key groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440047 CN202742076U (en) | 2012-08-31 | 2012-08-31 | Broaching clamp for forming sleeve key groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202742076U true CN202742076U (en) | 2013-02-20 |
Family
ID=47701524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220440047 Withdrawn - After Issue CN202742076U (en) | 2012-08-31 | 2012-08-31 | Broaching clamp for forming sleeve key groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202742076U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794655A (en) * | 2012-08-31 | 2012-11-28 | 许昌远东传动轴股份有限公司 | Broaching fixture for key groove of connection fork sleeve |
| CN106424918A (en) * | 2016-08-31 | 2017-02-22 | 重庆重汽远东传动轴有限责任公司 | Side-pull clamp of end-tooth flange yoke |
| CN112792402A (en) * | 2021-01-28 | 2021-05-14 | 浙江畅尔智能装备股份有限公司 | Vertical external broaching machine for broaching inner mortise of annular workpiece and broaching method |
-
2012
- 2012-08-31 CN CN 201220440047 patent/CN202742076U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794655A (en) * | 2012-08-31 | 2012-11-28 | 许昌远东传动轴股份有限公司 | Broaching fixture for key groove of connection fork sleeve |
| CN102794655B (en) * | 2012-08-31 | 2015-01-07 | 许昌远东传动轴股份有限公司 | Broaching fixture for key groove of connection fork sleeve |
| CN106424918A (en) * | 2016-08-31 | 2017-02-22 | 重庆重汽远东传动轴有限责任公司 | Side-pull clamp of end-tooth flange yoke |
| CN112792402A (en) * | 2021-01-28 | 2021-05-14 | 浙江畅尔智能装备股份有限公司 | Vertical external broaching machine for broaching inner mortise of annular workpiece and broaching method |
| CN112792402B (en) * | 2021-01-28 | 2022-02-22 | 浙江畅尔智能装备股份有限公司 | Vertical external broaching machine for broaching inner mortises of annular workpieces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20150107 |
|
| RGAV | Abandon patent right to avoid regrant |