CN102284743A - Universal adjustable surface broach - Google Patents
Universal adjustable surface broach Download PDFInfo
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- CN102284743A CN102284743A CN2011101148021A CN201110114802A CN102284743A CN 102284743 A CN102284743 A CN 102284743A CN 2011101148021 A CN2011101148021 A CN 2011101148021A CN 201110114802 A CN201110114802 A CN 201110114802A CN 102284743 A CN102284743 A CN 102284743A
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- tooth
- cutter
- cutter tooth
- armature
- adjustable
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Abstract
The invention relates to a universal adjustable surface broach, which comprises a body and a tooth, wherein a detachable mechanism of the tooth is connected with the body, so that the tooth can be detached to newly sharpen edge or replace a new tooth; the tooth of the broach can be separated from the body; the effective height of the tooth can be adjusted; after being worn, the tooth can be detached to sharpen the edge of the tooth; and in a broaching process, the height of the tooth can be manually adjusted according to production requirements. Through the broach, the defects of non-adjustable height of the tooth during broaching, non-detachable tooth, unavailability of edge sharpening and non-reusability are overcome. The broach is suitable for rough machining, semifinishing and finishing of flat plate type parts, is flexible in machining mode, and is suitable for large-scale production, medium and small-scale production and single piece production. The machining efficiency can be increased, the machining cost can be reduced, and the broach has important realistic significance.
Description
Technical field
The present invention relates to a kind of omnipotent adjustable, plane broaching tool, this invention is applicable to thick, half smart, the fine finishining of flat-type part, and processing mode is flexible, is applicable in enormous quantities, small batch, single-piece production.Can improve working (machining) efficiency, cut down finished cost, have stronger practicality and important practical sense.
Background technology
Broaching tool be a kind of multiple tooth, be applicable to accurately machined cutter.Broaching tool when work be along the axis moving linearly, is higher than last cutter tooth with a cutter tooth thereafter and finishes the broaching task, as Fig. 5, shown in Figure 6.Broaching processing is being widely used in a large amount of the production in batch.But traditional broaching tool cutter tooth and cutter hub are one, and the height of cutter tooth is unadjustable, when cutter tooth wearing and tearing back, generally need change broaching tool again, and this has just caused the wasting of resources, has also incured loss through delay process time simultaneously.Omnipotent adjustable, plane broaching tool, after the cutter tooth wearing and tearing, sharpening cutter tooth and cutter tooth can be reused again, have reduced the processing cost of workpiece.Change the geometric parameter of cutter tooth simultaneously according to the required precision of processing work, during as finish draw, can adopt big anterior angle and big relief angle to process.When rough, can adopt little anterior angle and little relief angle to process.As long as change the geometric parameter of cutter tooth, just can finish corresponding processing, can reduce the kind of broaching tool, reduce the cost of making broaching tool.
Summary of the invention
The objective of the invention is to the defective at the prior art existence, a kind of adjustable, plane broaching tool is provided, separable the pulling down of cutter tooth and cutter hub carried out sharpening or more renewed cutter tooth, and processing mode is flexible, improves working (machining) efficiency, reduces cost.
For achieving the above object, design of the present invention is:
1) cutter tooth can separate with cutter hub; When cutter tooth broaching process time is long, the back knife face of cutter tooth can produce wearing and tearing, and the cutting force when at this moment broaching can increase, and the energy that motor provides increases, power consumption increases, simultaneously because the wearing and tearing of back knife face can cause workpiece surface quality and machining accuracy to reduce.Adopt separate type mechanism, after the cutter tooth wearing and tearing, sharpening cutter tooth and cutter tooth can be reused again, have reduced the processing cost of workpiece.
2) height of broaching tool can be regulated automatically by pre-tightening mechanism; After the tool sharpening, effective depth can reduce, and adopts this pre-tightening mechanism can make cutter reach effective broaching height, thereby guarantees the machining accuracy of workpiece.
3) designed the automatic pre-tightening mechanism of a kind of bolt type.This pre-tightening mechanism is made up of bolt, armature.Pretension bolt by adjusting both sides is the pretension cutter tooth automatically.
According to the foregoing invention design, the present invention adopts following technical proposals:
A kind of adjustable, plane broaching tool comprises cutter hub and cutter tooth, it is characterized in that described cutter tooth is connected with described cutter hub with detachable mechanism, thereby can pull down cutter tooth sharpening or more renew cutter tooth again.
Described detachable bindiny mechanism is adjustable pre-tightening mechanism, can regulate the height of cutter tooth on cutter hub, thereby when making cutter reduce effective depth behind sharpening, makes cutter reach original effective broaching height by adjustable pre-tightening mechanism.
Described adjustable pre-tightening mechanism is the automatic pre-tightening mechanism of bolt type, the automatic pre-tightening mechanism of this bolt type comprises bolt, armature and clamping plate, selected cutter tooth and cutter hub are connected with the swallow-tail form tongue-and-groove, both sides at the swallow-tail form tongue-and-groove are embedded with armature, and armature is fixed tightly in by clamp-screw on two medial surfaces of swallow tail shaped slot of cutter tooth; And the swallow-tail form tenon cunning of armature and cutter hub is joined; The armature end face is the inclined-plane, cooperates with the inclined end face of cutter tooth swallow tail shaped slot; Be positioned at the two ends of described swallow-tail form tongue-and-groove, have two described clamping plate to be fixed on cutter tooth and the cutter hub, and spin by the two ends of release bolt and pretension bolt and armature by hold-down screw; Described clamping plate and cutter tooth are the mounting hole that vertical direction is elongated by the screw of hold-down screw, to adapt to the adjusting of distance between cutter tooth and the cutter hub.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
Adjustable, plane broaching tool of the present invention adopts adjustable pre-tightening mechanism that cutter tooth and cutter hub are realized detachable the connection, and cutter tooth and cutter hub are separable, and the effective depth of cutter tooth is adjustable, after the cutter tooth wearing and tearing, can unload cutter tooth it is carried out sharpening.In the broaching process, can be according to the height of producing needs manual adjustments cutter tooth.It is non-adjustable that this invention has remedied in the broaching process cutter tooth height effectively, non-dismountable sharpening of cutter tooth and not re-usable defective.This invention is applicable to thick, half smart, the fine finishining of flat-type part, and processing mode is flexible, is applicable in enormous quantities, small batch, single-piece production.Can improve working (machining) efficiency, cut down finished cost, have important practical significance.
Description of drawings
The project organization figure of the single cutter tooth of Fig. 1 adjustable, plane broaching tool.
The automatic pre-tightening mechanism planing surface of Fig. 2 adjustable, plane broaching tool bolt type figure.
Fig. 3 adjustable, plane broaching tool step up screw to view.
The clamping mode of Fig. 4 clamping plate and screw.
Fig. 5 conventional planar broaching tool structure.
Fig. 6 conventional planar broaching tool broaching layout.
The specific embodiment
Below in conjunction with accompanying drawing, to a preferred embodiment of the present invention will be described in detail.
Embodiment one:
This adjustable, plane broaching tool comprises cutter hub 4 and cutter tooth 1, it is characterized in that described cutter tooth 1 is connected with described cutter hub 4 with detachable mechanism, thereby can pull down cutter tooth 1 sharpening or more renew cutter tooth again.
Embodiment two:
Present embodiment and embodiment one are basic identical, special feature is: described detachable bindiny mechanism is adjustable pre-tightening mechanism, can regulate the height of cutter tooth 1 on cutter hub 4, thereby when making cutter behind sharpening, reduce effective depth, make cutter reach original effective broaching height by adjustable pre-tightening mechanism.
Embodiment three:
Referring to Fig. 1-Fig. 4, present embodiment and embodiment two are basic identical, special feature is: described adjustable pre-tightening mechanism is the automatic pre-tightening mechanism of bolt type, the automatic pre-tightening mechanism of this bolt type comprises bolt, armature 2 and clamping plate 7, selected cutter tooth 1 is connected with the swallow-tail form tongue-and-groove with cutter hub 4, be embedded with armature 2 in the both sides of swallow-tail form tongue-and-groove, armature 2 is fixed tightly in by clamp-screw 3 on two medial surfaces of swallow tail shaped slot of cutter tooth 1; And armature 2 is joined with the swallow-tail form tenon cunning of cutter hub 4; Armature 2 end faces are the inclined-plane, cooperate with the inclined end face of cutter tooth 1 swallow tail shaped slot; Be positioned at the two ends of described swallow-tail form tongue-and-groove, have two described clamping plate 7 to be fixed on cutter tooth 1 and the cutter hub 4, and spin by the two ends of release bolt 5 and pretension bolt 8 and armature 2 by hold-down screw 6; Described clamping plate 7 pass through the mounting hole of the screw 10 of hold-down screw 6 for the vertical direction elongation with cutter tooth 1, to adapt to the adjusting of distance between cutter tooth 1 and the cutter hub 4.
Operation principle: in traditional broaching processing, as shown in Figure 6, after the cutter tooth wearing and tearing, the effective length H of cutter tooth can change, and it is big that the cutting force of cutter tooth becomes, and influences the working (machining) efficiency and the crudy of workpiece.Adopt omnipotent adjustable, plane broaching tool, 1) after the cutter tooth wearing and tearing, unload pretension bolt 8 and trip bolt 3, rotate release bolt 5 then, allow armature 2 move along the x direction, at this moment armature 2 diminishes with the contact force of cutter tooth 1 and cutter hub 4, at this moment unloads release bolt 5, hold-down screw 6 and clamping plate 7, then unloads cutter tooth 1.2) after the geometric angle according to the good cutter tooth of technological requirement sharpening, cutter tooth is installed in base puts armature 2 then, fix clamping plate 7 successively, hold-down screw 6, with pretension bolt 8, rotate pretension bolt 8(then in rotary course, it is not too big that hold-down screw 6 acts on the power of clamping plate 7), allow armature move along the negative direction of x, make the armature 2 and the interaction force of cutter tooth 1 and cutter hub 4 increase, at this moment armature plays a part to hold out against, rotation pretension bolt 8 makes cutter tooth 1 reach suitable height, release bolt 5 then is installed, is fixed clamp-screw 3(then and tighten hold-down screw 6) get final product.3) in the course of the work, because the wearing and tearing of cutter tooth, adjust the height of cutter tooth 1, as long as at this moment unclamp release bolt 5, hold-down screw 6, rotation pretension bolt 8, the height of cutter tooth 1 is risen, tighten hold-down screw 6, release bolt 5 when reaching ideal height again, and then reach the purpose of adjusting.
Claims (3)
1. an adjustable, plane broaching tool comprises cutter hub (4) and cutter tooth (1), it is characterized in that described cutter tooth (1) is connected with described cutter hub (4) with detachable mechanism, thereby can pull down cutter tooth (1) sharpening or more renew cutter tooth again.
2. adjustable, plane broaching tool according to claim 1, it is characterized in that described detachable bindiny mechanism is adjustable pre-tightening mechanism, can regulate the height of cutter tooth (1) on cutter hub (4), thereby when making cutter behind sharpening, reduce effective depth, make cutter reach original effective broaching height by adjustable pre-tightening mechanism.
3. adjustable, plane broaching tool according to claim 2, it is characterized in that described adjustable pre-tightening mechanism is the automatic pre-tightening mechanism of bolt type, the automatic pre-tightening mechanism of this bolt type comprises bolt, armature (2) and clamping plate (7), selected cutter tooth (1) is connected with the swallow-tail form tongue-and-groove with cutter hub (4), be embedded with armature (2) in the both sides of swallow-tail form tongue-and-groove, armature (2) is fixed tightly in by clamp-screw (3) on two medial surfaces of swallow tail shaped slot of cutter tooth (1); And armature (2) is joined with the swallow-tail form tenon cunning of cutter hub (4); Armature (2) end face is the inclined-plane, cooperates with the inclined end face of cutter tooth (1) swallow tail shaped slot; Be positioned at the two ends of described swallow-tail form tongue-and-groove, have two described clamping plate (7) to be fixed on cutter tooth (1) and the cutter hub (4), and spin by the two ends of release bolt (5) and pretension bolt (8) and armature (2) by hold-down screw (6); Described clamping plate (7) pass through the mounting hole of the screw (10) of hold-down screw (6) for the vertical direction elongation with cutter tooth (1), to adapt to the adjusting of distance between cutter tooth (1) and the cutter hub (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110114802 CN102284743B (en) | 2011-05-05 | 2011-05-05 | Universal adjustable surface broach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110114802 CN102284743B (en) | 2011-05-05 | 2011-05-05 | Universal adjustable surface broach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102284743A true CN102284743A (en) | 2011-12-21 |
| CN102284743B CN102284743B (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110114802 Expired - Fee Related CN102284743B (en) | 2011-05-05 | 2011-05-05 | Universal adjustable surface broach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102284743B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790482A (en) * | 2012-08-09 | 2012-11-21 | 山东华力电机集团股份有限公司 | Baffle plate of winding former |
| CN107096958A (en) * | 2017-06-27 | 2017-08-29 | 四川天虎工具有限责任公司 | A kind of yoke dove tail broaching tool |
| WO2019197688A1 (en) * | 2018-04-13 | 2019-10-17 | Ekin, S. Coop. | Broach for broaching machine |
| CN113814464A (en) * | 2021-09-29 | 2021-12-21 | 中国航发成都发动机有限公司 | Turbine disc inclined tree-shaped mortise broaching deformation control assembly and broaching process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57132921A (en) * | 1981-02-10 | 1982-08-17 | Komatsu Ltd | Surface broach |
| JPS645719A (en) * | 1987-06-29 | 1989-01-10 | Nippei Toyama Corp | Broaching tool |
| CN2056620U (en) * | 1989-08-10 | 1990-05-02 | 李战君 | Profile combined chain scraping out cutter |
| CN1450946A (en) * | 2000-07-14 | 2003-10-22 | 钴碳化钨硬质合金公司 | Broach for use in performing machining operation |
| JP2004330308A (en) * | 2003-04-30 | 2004-11-25 | Nachi Fujikoshi Corp | Builtup internal broach |
-
2011
- 2011-05-05 CN CN 201110114802 patent/CN102284743B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57132921A (en) * | 1981-02-10 | 1982-08-17 | Komatsu Ltd | Surface broach |
| JPS645719A (en) * | 1987-06-29 | 1989-01-10 | Nippei Toyama Corp | Broaching tool |
| CN2056620U (en) * | 1989-08-10 | 1990-05-02 | 李战君 | Profile combined chain scraping out cutter |
| CN1450946A (en) * | 2000-07-14 | 2003-10-22 | 钴碳化钨硬质合金公司 | Broach for use in performing machining operation |
| JP2004330308A (en) * | 2003-04-30 | 2004-11-25 | Nachi Fujikoshi Corp | Builtup internal broach |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790482A (en) * | 2012-08-09 | 2012-11-21 | 山东华力电机集团股份有限公司 | Baffle plate of winding former |
| CN107096958A (en) * | 2017-06-27 | 2017-08-29 | 四川天虎工具有限责任公司 | A kind of yoke dove tail broaching tool |
| CN107096958B (en) * | 2017-06-27 | 2023-08-15 | 四川天虎工具有限责任公司 | Yoke pigeon tail broach |
| WO2019197688A1 (en) * | 2018-04-13 | 2019-10-17 | Ekin, S. Coop. | Broach for broaching machine |
| RU2753928C1 (en) * | 2018-04-13 | 2021-08-24 | Экин, С. Кооп. | Broach for the broaching machine |
| CN113814464A (en) * | 2021-09-29 | 2021-12-21 | 中国航发成都发动机有限公司 | Turbine disc inclined tree-shaped mortise broaching deformation control assembly and broaching process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102284743B (en) | 2013-01-09 |
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