CN203679829U - Eccentric sleeve processing fixture - Google Patents
Eccentric sleeve processing fixture Download PDFInfo
- Publication number
- CN203679829U CN203679829U CN201320726965.XU CN201320726965U CN203679829U CN 203679829 U CN203679829 U CN 203679829U CN 201320726965 U CN201320726965 U CN 201320726965U CN 203679829 U CN203679829 U CN 203679829U
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- China
- Prior art keywords
- chuck
- block
- fixture block
- support
- annular
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- Withdrawn - After Issue
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Abstract
The utility model relates to an eccentric sleeve processing fixture. The upper end surface of a base is provided with support seats, the top of each support seat is downwards provided with a support groove, the interiors of the two support grooves are respectively provided with a lower slide block, the outer side of each support seat is provided with a limiting block, the tops of the two support seats are respectively provided with an upper clamping block, the two sides of each upper clamping block are respectively provided with an outward flanging support lug, each support lug is fixedly connected with the corresponding limiting block together, the interiors of the two upper clamping blocks are respectively provided with an upper slide block, clamping sleeves are respectively arranged between the two groups of upper clamping blocks and the support seats, and are provided with two annular slide passages, each annular slide passage corresponds to a circular ring body which consists of the corresponding group of upper and lower slide blocks, each clamping sleeve is provided with an annular helical rack, a rotary shaft is arranged between each clamping sleeve and the base, and is provided with a helical gear which is matched with the corresponding rack, the two ends of each rotary shaft are respectively connected with two bearing seats, and one end of each rotary shaft is connected with a center shaft hole of a hand wheel. Compared with the prior art, the processing fixture has the advantages that the processing precision of the inner hole of an eccentric sleeve is ensured, the clamping is quick and accurate, the installation and detachment are convenient, and the like.
Description
Technical field
The utility model relates to a kind of machining set-up, relates in particular to a kind of mold of processing eccentric bushing.
Background technology
In machined field, the main boring machine that adopts of the eccentric bushing endoporus processing of the equipment application such as stone crusher completes, at present, eccentric bushing clamp for machining is the chuck that boring machine carries substantially, actually add man-hour, need manual rotation eccentric bushing, this just cannot guarantee the machining accuracy of eccentric bushing endoporus; People have also designed some clamping fixtures for the processing of eccentric bushing endoporus, not only complex structure of these molds, expensive, and these molds are difficult to coordinate with boring machine mostly, install, dismantle difficulty, main is to be difficult to realize quick, accurate clamping, brings serious inconvenience to production and processing.
Summary of the invention
The purpose of this utility model is to provide a kind of eccentric bushing endoporus machining accuracy that guarantees, can be fast, accurate clamping, be convenient to mount and dismount, and simple in structure, simple operation, eccentric bushing machining mould with low cost.
The utility model mainly comprises pedestal, supporting seat, bearing block, tooth bar, worm screw, handwheel, chuck, upper fixture block, upper and lower slide block and limited block, two vertical supporting seats that be arranged in parallel are established in the upper surface of described pedestal, along the top of described each supporting seat to the semicircle support slot of dividing into opening upwards, these two support slots coaxially arrange; The semicircle annular sliding block that cross section is rectangle, opening upwards is established respectively in the inside of described two support slots, and the internal diameter of its external diameter and support slot is identical and top is mutually concordant with the upper surface of support slot; Limited block is established respectively in the outside of described each supporting seat, and the upper surface of limited block is mutually concordant with the upper surface of described supporting seat; Fixture block in the semicircle annular that cross section is rectangle, Open Side Down is established respectively at the top of described two supporting seats, its internal diameter is identical with the diameter of described support slot, the journal stirrup turning up is established respectively in the both sides of described upper fixture block, and journal stirrup and above-mentioned limited block are fixed together, and in realization, fixture block and supporting seat is fastening; The semicircle annular top shoe that cross section is rectangle, Open Side Down is established respectively in the inside of described two upper fixture blocks, two free end contacts with two free ends of sliding block respectively, the width of described top shoe and thickness are all identical with sliding block, and its external diameter is identical with the internal diameter of upper fixture block, its internal diameter is identical with the internal diameter of sliding block, after upper fixture block and support slot are fastening, described sliding block and top shoe composition torus; On above-mentioned two groups, between fixture block and supporting seat, be provided with chuck, the cylinder that the metal-back that chuck is semicircle annular by two cross sections forms, on described chuck, offer two annular slide tracks that the torus forming with described two groups of upper and lower slide blocks is respectively corresponding, the degree of depth of described slideway is equal to or less than the thickness of top shoe, the torus of upper and lower slide block composition embeds in slideway, and the torus positive camber of upper and lower slide block composition is connected with the bottom surface of slideway, realizes the support of chuck; On described chuck, establish annular helical rack, helical rack forms by two sections, and the negative camber of one section of tooth bar is connected with a metal-back outer wall of the described chuck of composition, and the negative camber of another section of tooth bar is connected with another metal-back outer wall of the described chuck of composition; Between described chuck and pedestal, establish one with the perpendicular rotating shaft of chuck axis, in this rotating shaft, establish the angular gear matching with above-mentioned tooth bar, the two ends of rotating shaft respectively diaxon bearing are connected, and bearing block is located on pedestal, and one end of described rotating shaft is connected with the central shaft hole of handwheel.
For making chuck more firm, clamping better effects if, on described chuck, be also provided with two semicircle circumferential rib fixture blocks, the internal diameter of rib fixture block is identical with the external diameter of described chuck, both sides of the chest fixture block opening direction is docked at outside chuck, the both sides of each rib fixture block are respectively equipped with the journal stirrup turning up, and both sides of the chest fixture block is by together with the bolted connected with their both sides journal stirrups.
For ease of work-handling, best, said base is provided with several rollers, and the axis direction of roller is perpendicular to the axis direction of chuck.
The endoporus processing that realizes eccentric bushing of the present utility model, add man-hour, workpiece to be processed is clamped in the inside of chuck, puts into before workpiece to be processed, first unloads two upper fixture blocks, then unload the metal-back of next composition chuck, eccentric bushing is packed in undischarged chuck metal-back, according to tooth bar and slideway, the chuck metal-back unloading is docked with undischarged metal-back, then the upper fixture block unloading is installed, by bolt, by fastening to upper fixture block and limited block, two of chuck metal-backs tighten together; For making two metal-backs of chuck more fastening, coordinate firm, rib fixture block is arranged on to the outside of chuck, then, complete machine is lifted to boring machine, cutter is corresponding with the workpiece to be processed Working position of chuck inside, start lathe, processing staff rotates handwheel simultaneously, by angular gear and the rotation of rack drives chuck, chuck drives workpiece to be processed rotation, reaches processing object.When making, the chuck size of this mold is determined according to the size of processing work, thereby the size of support slot, upper fixture block and slide block etc. is definite, guarantees that the workpiece of all sizes and model is realized processing.
The utility model compared with prior art tool has the following advantages:
1, operate steadily, be convenient to proofread and correct and clamping, improve machining accuracy, guarantee product quality;
2, can be fast, accurate clamping, be convenient to installation and removal, simple to operate;
3, simple in structure, cost of manufacture is cheap, alleviates labor strength.
accompanying drawing explanationfig. 1 is that master of the present utility model looks schematic diagram.
Fig. 2 is schematic top plan view of the present utility model.
Fig. 3 is the A-A view of Fig. 1.
Fig. 4 is the B-B view of Fig. 1.
the specific embodimentas shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the upper surface of pedestal 1 is bolted two vertical supporting seats 2 that be arranged in parallel, along the top of described each supporting seat to the semicircle slotted eye of dividing into opening upwards, i.e. support slot 3, these two support slots coaxially arrange; The inside of described two support slots respectively welded section is the semicircle annular metal derby of rectangle, opening upwards, i.e. sliding block 4, and the internal diameter of its external diameter and support slot is identical and top is mutually concordant with the upper surface of support slot; The outside of described each supporting seat is bolted respectively limited block 5, and the upper surface of limited block is mutually concordant with the upper surface of described supporting seat; The upper fixture block 6 corresponding with its support slot established respectively at the top of described two supporting seats, upper fixture block is the semicircle annular metal derby that cross section is rectangle, Open Side Down, its internal diameter is identical with the diameter of described support slot, the journal stirrup 7 turning up is welded respectively in the both sides of described upper fixture block, together with journal stirrup is bolted on above-mentioned limited block, in realization, fixture block and supporting seat is fastening; The inside semicircle that welded section is rectangle respectively, Open Side Down the annular metal derby of described two upper fixture blocks, it is top shoe 8, two free end contacts with two free ends of sliding block respectively, the width of described top shoe and thickness are all identical with sliding block, and its external diameter is identical with the internal diameter of upper fixture block, its internal diameter is identical with the internal diameter of sliding block, after upper fixture block and support slot are fastening, and described sliding block and top shoe composition torus; On above-mentioned two groups, between fixture block and supporting seat, be provided with chuck 9, the cylinder that the metal-back that chuck is semicircle annular by two cross sections forms, on described chuck, offer two annular slotted holes that the torus forming with described two groups of upper and lower slide blocks is respectively corresponding, it is slideway 10, the degree of depth of described slideway equals the thickness of top shoe, the torus of upper and lower slide block composition embeds in slideway, and the torus positive camber of upper and lower slide block composition is connected with the bottom surface of slideway, realizes the support of chuck; On described chuck, be also provided with two semicircle annular metal derbies, it is rib fixture block 11, the internal diameter of rib fixture block is identical with the external diameter of described chuck, both sides of the chest fixture block opening direction is docked at outside chuck, the both sides of each rib fixture block are respectively equipped with the journal stirrup 12 turning up, and both sides of the chest fixture block is by together with the bolted connected with their both sides journal stirrups; On described chuck, be welded to connect annular helical rack 13, helical rack forms by two sections, the negative camber of one section of tooth bar is connected with a metal-back outer wall of the described chuck of composition, and the negative camber of another section of tooth bar is connected with another metal-back outer wall of the described chuck of composition; Between described chuck and pedestal, establish one with the perpendicular rotating shaft 14 of chuck axis, in this rotating shaft, establish the angular gear 15 matching with above-mentioned tooth bar, the two ends of rotating shaft respectively diaxon bearing 16 are connected, and bearing block is located on pedestal, and one end of described rotating shaft is connected with the central shaft hole key of handwheel 17; Said base is provided with several rollers 18, and the axis direction of roller is perpendicular to the axis direction of chuck.
Claims (3)
1. an eccentric bushing machining mould, comprise pedestal, supporting seat, bearing block, tooth bar, worm screw, handwheel, chuck, upper fixture block, upper and lower slide block and limited block, it is characterized in that: two vertical supporting seats that be arranged in parallel are established in the upper surface of described pedestal, along the top of described each supporting seat to the semicircle support slot of dividing into opening upwards, these two support slots coaxially arrange; The semicircle annular sliding block that cross section is rectangle, opening upwards is established respectively in the inside of described two support slots, and the internal diameter of its external diameter and support slot is identical and top is mutually concordant with the upper surface of support slot; Limited block is established respectively in the outside of described each supporting seat, and the upper surface of limited block is mutually concordant with the upper surface of described supporting seat; Fixture block in the semicircle annular that cross section is rectangle, Open Side Down is established respectively at the top of described two supporting seats, and its internal diameter is identical with the diameter of described support slot, and the journal stirrup turning up is established respectively in the both sides of described upper fixture block, and journal stirrup and above-mentioned limited block are fixed together; The semicircle annular top shoe that cross section is rectangle, Open Side Down is established respectively in the inside of described two upper fixture blocks, two free end contacts with two free ends of sliding block respectively, the width of described top shoe and thickness are all identical with sliding block, and its external diameter is identical with the internal diameter of upper fixture block, its internal diameter is identical with the internal diameter of sliding block, described sliding block and top shoe composition torus; On above-mentioned two groups, between fixture block and supporting seat, be provided with chuck, the cylinder that the metal-back that chuck is semicircle annular by two cross sections forms, on described chuck, offer two annular slide tracks that the torus forming with described two groups of upper and lower slide blocks is respectively corresponding, the degree of depth of described slideway is equal to or less than the thickness of top shoe, the torus of upper and lower slide block composition embeds in slideway, and the torus positive camber of upper and lower slide block composition is connected with the bottom surface of slideway; On described chuck, establish annular helical rack, helical rack forms by two sections, and the negative camber of one section of tooth bar is connected with a metal-back outer wall of the described chuck of composition, and the negative camber of another section of tooth bar is connected with another metal-back outer wall of the described chuck of composition; Between described chuck and pedestal, establish one with the perpendicular rotating shaft of chuck axis, in this rotating shaft, establish the angular gear matching with above-mentioned tooth bar, the two ends of rotating shaft respectively diaxon bearing are connected, and bearing block is located on pedestal, and one end of described rotating shaft is connected with the central shaft hole of handwheel.
2. eccentric bushing machining mould according to claim 1, it is characterized in that: on described chuck, be also provided with two semicircle circumferential rib fixture blocks, the internal diameter of rib fixture block is identical with the external diameter of described chuck, both sides of the chest fixture block opening direction is docked at outside chuck, the both sides of each rib fixture block are respectively equipped with the journal stirrup turning up, and both sides of the chest fixture block is by together with the bolted connected with their both sides journal stirrups.
3. eccentric bushing machining mould according to claim 1 and 2, is characterized in that: said base is provided with the axis direction roller of axis direction perpendicular to chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726965.XU CN203679829U (en) | 2013-11-18 | 2013-11-18 | Eccentric sleeve processing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726965.XU CN203679829U (en) | 2013-11-18 | 2013-11-18 | Eccentric sleeve processing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679829U true CN203679829U (en) | 2014-07-02 |
Family
ID=51001788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726965.XU Withdrawn - After Issue CN203679829U (en) | 2013-11-18 | 2013-11-18 | Eccentric sleeve processing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612137A (en) * | 2013-11-18 | 2014-03-05 | 大连鼎利机械制造有限公司 | Eccentric bushing processing clamping fixture |
| CN105458759A (en) * | 2015-12-21 | 2016-04-06 | 山东云峰数控科技有限公司 | Positioning device for pattern block |
-
2013
- 2013-11-18 CN CN201320726965.XU patent/CN203679829U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612137A (en) * | 2013-11-18 | 2014-03-05 | 大连鼎利机械制造有限公司 | Eccentric bushing processing clamping fixture |
| CN103612137B (en) * | 2013-11-18 | 2015-12-09 | 大连鼎利机械制造有限公司 | A kind of eccentric bushing machining mould |
| CN105458759A (en) * | 2015-12-21 | 2016-04-06 | 山东云峰数控科技有限公司 | Positioning device for pattern block |
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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: 20140702 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |