CN210359548U - Multi-inclined-surface stepping type short broach - Google Patents
Multi-inclined-surface stepping type short broach Download PDFInfo
- Publication number
- CN210359548U CN210359548U CN201921236254.8U CN201921236254U CN210359548U CN 210359548 U CN210359548 U CN 210359548U CN 201921236254 U CN201921236254 U CN 201921236254U CN 210359548 U CN210359548 U CN 210359548U
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- cutter
- inclined plane
- feed
- broach
- fixing body
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- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model relates to a many inclined planes marching type short broach, including the cutter arbor body, screw, reset spring, many inclined planes feed bar, cutter fixed body, stopper, short broach, broach tooth, the many inclined planes of feed, feed bar activity space and be connected the position etc. with the lathe. The method is characterized in that: the multi-inclined plane 11 of the multi-inclined plane feed bar 6 is completely matched with the inclined plane on the multi-inclined plane 11 of the cutter fixing body 7, when the multi-inclined plane feed bar 6 is pulled downwards along the axial direction, the multi-inclined plane 11 of the cutter fixing body 7 pushes the multi-inclined plane 11 of the cutter fixing body 7 to feed, and the short broaching tool 9 fixed on the cutter fixing body 7 is sequentially pushed to move leftwards, so that the cutting amount is fed. The multi-inclined-surface stepping type short broach is reasonable in design, compact in structure and high in machining precision and is bound to become an optimal precision key groove finish machining tool.
Description
Technical Field
The utility model relates to a many inclined planes marching type short broach.
Background
At present, broaching tools for broaching key grooves in metal cutting machine tools are successfully broached once, and the broaching tools have the following problems: firstly, the broach is very long in manufacturing cost, long in delivery time and easy to bend, and affects the processing precision, secondly, the power of a motor of equipment is required to be large, thirdly, the requirement of high-end products with high precision requirements cannot be met, and the broach is a great obstacle to the development of enterprises; some enterprises are forced to adopt wire cutting and electric spark machining or import equipment from abroad with huge resources in order to meet the requirements, so that the manufacturing cost and the manufacturing period are greatly increased, and the development of some enterprises is restricted.
Disclosure of Invention
The utility model aims at: the short broach capable of feeding for multiple times by utilizing multiple inclined planes is designed, the manufacturing cost is low, the delivery period is short, the power of a machine tool motor is greatly reduced, the machining precision (size precision, symmetry and surface roughness) of the key groove can be ensured, the defects of the existing long broach are overcome, and a new step is formed in the key groove machining technology.
The utility model provides a technical scheme that its technical problem adopted is: a multi-bevel step short broach comprising: the multi-bevel-surface tool feeding device comprises a clamp 1, a workpiece 2, a tool shank body 3, a screw 4, a return spring 5, a multi-bevel-surface tool feeding rod 6, a tool fixing body 7, a limiting block 8, a short broach 9, broach teeth 10, a multi-bevel-surface tool feeding 11, a tool feeding rod moving space 12, a tool shank body power connecting part 13, a multi-bevel-surface tool feeding rod power connecting part 14 and a fixing pressing plate 15.
The workpiece 2 is positioned on the jig 1 coaxially with the jig 1, and a plurality of fixed platens 15 fix the workpiece to the machine tool and the jig 1.
When the multi-bevel feed bar 6 is pulled downwards along the axial direction, the multi-bevel feed 11 of the multi-bevel feed bar 6 is completely matched with the serrated bevel on the multi-bevel feed 11 of the cutter fixing body 7, and the multi-bevel feed 11 on the cutter fixing body 7 sequentially and synchronously pushes the short broach 9 fixed on the cutter fixing body 7 to move leftwards, so that the cutting amount is fed.
The multi-bevel cutter feeding rod 6 is clamped between the cutter rod body 3 and the cutter fixing body 7 by means of a screw 4 and a return spring 5, the cutter fixing body 7 is positioned on the cutter rod body 3 by a limiting block 8, and the return spring 5 penetrates through the screw 4.
The cutter fixing body 7 is provided with a plurality of cutting inclined planes 11 and the cutter feeding multi-inclined planes 11 of the multi-inclined plane cutter feeding rod 6 are a plurality of saw-tooth inclined planes which can be mutually matched.
The broach teeth 10 are identical in structure to a common progressive broach, but the number of teeth is greatly reduced.
After the cutting key groove is fixed, the multi-inclined-plane cutter feeding rod 6 is pulled downwards by the power of the power connection part 14 of the multi-inclined-plane cutter feeding rod for certain displacement, the cutter fixing body 7 and the short broach 9 are pushed by the multi-inclined-plane cutter feeding rod 11 to perform leftward micro-feeding cutting, then the cutter rod body 3 starts to cut a first cutter under the action of the power connection part 13 of the cutter rod body, the cutter rod body 3 returns to an axial initial position under the action of the power connection part 13 of the cutter rod body, the cutter fixing body 7 and the short broach 9 are pushed by the multi-inclined-plane cutter feeding rod 11 for a plurality of times to perform leftward micro-feeding cutting, and the cutter rod body 3 pulls the cutting key groove for a plurality of times under.
The utility model has the advantages that:
1. a multi-bevel step-type short broach is made very short, and has low manufacturing cost and short delivery time.
2. The multi-inclined-surface stepping type short broach requires that the bed of the broaching machine can be greatly reduced, the power of a motor can be greatly reduced, and the manufacturing cost of equipment is reduced.
3. The multi-inclined-surface stepping short broach improves the machining precision and the machining depth size range of a key groove.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1: a structure diagram of a multi-bevel stepping short broach.
FIG. 2 is a drawing: a partial enlarged view of a multi-bevel stepping short broach screw and a return spring structure.
In the drawings: the multi-bevel multi-cutter-feeding mechanism comprises a clamp 1, a clamp 2, a workpiece 3, a cutter rod body, a screw 4, a reset spring 5, a multi-bevel cutter feeding rod 6, a cutter fixing body 7, a limiting block 8, a short broach 9, a broach tooth 10, a multi-bevel cutter feeding surface 11, a cutter feeding rod moving space 12, a cutter rod body and power connection part 13, a multi-bevel cutter feeding rod and power connection part 14 and a fixed pressing plate 15.
Detailed Description
Description of the drawings figure 1 shows a workpiece 2 positioned on a fixture 1 coaxially with the fixture 1, and a plurality of stationary platens 15 securing the workpiece to the machine tool and fixture 1. .
As shown in the attached figure 1 of the specification, when the multi-bevel feed bar 6 is pulled downwards along the axial direction, the multi-bevel feed 11 on the tool fixing body 7 sequentially and synchronously pushes the short broach 9 fixed on the tool fixing body 7 to move leftwards, so that the cutting amount is fed.
As shown in the attached figure 1 of the specification, two positions on a multi-bevel cutter feeding rod 6 are clamped between a cutter rod body 3 and a cutter fixing body 7 by screws 4 and a return spring 5, and the cutter fixing body 7 is positioned on the cutter rod body 3 by a limiting block 8.
As shown in the attached figure 1 of the specification, the broach teeth 10 have the same structure as a common progressive broach, but the number of teeth is greatly reduced.
As shown in the attached figure 2 in the specification, a multi-inclined plane cutter feeding rod 6 is clamped between a cutter rod body 3 and a cutter fixing body 7 by a screw 4 and a return spring 5, a cutter feeding rod moving space 12 is arranged on the multi-inclined plane cutter feeding rod 6, and the return spring 5 penetrates through the screw 4.
A multi-bevel stepping short broach working process comprises the following steps: when the multi-bevel-face cutting tool is in work, a workpiece 2 to be machined is arranged and positioned on the clamp 1, after the workpiece is pressed and fixed by a plurality of fixing pressing plates 15, the multi-bevel-face cutter feeding rod 6 is pulled downwards by power of a power connection part 14 of the multi-bevel-face cutter feeding rod to move for a certain distance, the cutter fixing body 7 and the short broach 9 are pushed by the multi-bevel-face cutter feeding rod 11 to slightly feed cutting amount to the left, then the cutter rod body 3 starts to cut a first cutter under the action of the power connection part 13 of the cutter rod body, the cutter rod body 3 returns to an axial initial position under the action of the power connection part 13 of the cutter rod body, the cutter fixing body 7 and the short broach 9 are pushed by the multi-bevel-face cutter feeding rod 11 repeatedly for a plurality of times to slightly feed cutting amount.
The multi-inclined-surface stepping short broach has the advantages of reasonable design, compact structure and high machining precision, can replace foreign similar products, and can be used as an optimal precision key groove finish machining tool.
Claims (1)
1. A multi-bevel step short broach comprising: anchor clamps (1), work piece (2), the cutter arbor body (3), screw (4), reset spring (5), many inclined planes advance cutter arbor (6), cutter fixed body (7), stopper (8), short broach (9), broach tooth (10), many inclined planes of feed (11), advance cutter arbor activity space (12), cutter arbor body power junction (13), many inclined planes advance cutter arbor power junction (14) and fixed pressing plate (15), characterized by: the multi-inclined plane (11) of the upper feed of the cutter fixing body (7) and the multi-inclined plane (11) of the upper feed of the multi-inclined plane feed bar (6) are saw-toothed multi-inclined planes which can be mutually matched, a workpiece (2) is positioned on the clamp (1) and is coaxial with the clamp (1), a plurality of fixed press plates (15) fix the workpiece (2) on a machine tool and the clamp (1), when the multi-inclined plane feed bar (6) is pulled downwards along the axial direction, the multi-inclined plane (11) of the feed of the multi-inclined plane feed bar (6) is completely matched with the inclined plane on the multi-inclined plane (11) of the feed of the cutter fixing body (7), the multi-inclined plane (11) of the feed of the multi-inclined plane feed bar sequentially and synchronously pushes the short broaching tools (9) fixed on the cutter fixing body (7) to move leftwards, so as to realize the feed of cutting feed, the multi-inclined plane feed bar (6) is clamped between the cutter bar body (3) and the cutter fixing body (7, the cutter fixing body (7) is positioned on the cutter bar body (3) by the limiting block (8), and the reset spring (5) penetrates through the screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236254.8U CN210359548U (en) | 2019-08-01 | 2019-08-01 | Multi-inclined-surface stepping type short broach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236254.8U CN210359548U (en) | 2019-08-01 | 2019-08-01 | Multi-inclined-surface stepping type short broach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210359548U true CN210359548U (en) | 2020-04-21 |
Family
ID=70248252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921236254.8U Expired - Fee Related CN210359548U (en) | 2019-08-01 | 2019-08-01 | Multi-inclined-surface stepping type short broach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210359548U (en) |
-
2019
- 2019-08-01 CN CN201921236254.8U patent/CN210359548U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200421 |