CN104227458A - Multi-station self-centering rotary clamp for bearing cap - Google Patents
Multi-station self-centering rotary clamp for bearing cap Download PDFInfo
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- CN104227458A CN104227458A CN201410394963.4A CN201410394963A CN104227458A CN 104227458 A CN104227458 A CN 104227458A CN 201410394963 A CN201410394963 A CN 201410394963A CN 104227458 A CN104227458 A CN 104227458A
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- self
- centering
- hydraulic
- piston rod
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a multi-station self-centering rotary clamp for a bearing cap. The multi-station self-centering rotary clamp comprises a bridge plate, wherein a plurality of working units are arranged on the bridge plate in parallel; each working unit sequentially comprises a first hydraulic main pressing mechanism, a first hydraulic self-centering mechanism, a hydraulic auxiliary pressing mechanism, a second hydraulic self-centering mechanism and a second hydraulic main pressing mechanism; the first hydraulic self-centering mechanism comprises a self-centering oil cylinder which can be used for automatically centering and clamping workpieces; the hydraulic auxiliary pressing mechanism sequentially comprises a hydraulic swing clamping cylinder, a swing clamping cylinder pressing plate and two pressure heads; the swing clamping cylinder pressing plate is arranged at the upper end of a piston rod of the hydraulic swing clamping cylinder; the pressure heads are arranged at two ends of the hydraulic swing clamping cylinder pressing plate. According to the multi-station self-centering rotary clamp disclosed by the invention, stations are more, the production efficiency can be greatly improved, and the production cost is reduced; all processing contents can be finished by clamping the workpieces to be processed at one time, so that the processing precision is high; meanwhile, the requirement on high symmetrical degree of the workpieces can be met, and the qualification rate of the products is at least improved by 10 percent.
Description
Technical field
The present invention relates to field of fixtures, be specifically related to a kind of bearing cap multistation self-centering rolling clamp.
Background technology
Original fixture volume is large, uses trouble, and can not meet the fixture requirement to above and below, disposablely cannot complete processing.Originally be that with chuck self-centering mechanism, volume is large, the bottom of workpiece is covered and cannot process.VOLVO belongs to world's top-notch brand name, so its workpiece requires higher.And traditional fixture is not only difficult to meet drawing tolerance, and once can only produce one, production efficiency is low, and manufacturing cost is high, seriously constrains the development of industry.
Therefore, need to design a kind of new fixture.
Summary of the invention
For solving the problems of the technologies described above, we propose a kind of bearing cap multistation self-centering rolling clamp, to reach the object improving processing precision of products and enhance productivity.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of bearing cap multistation self-centering rolling clamp, comprise bridge plate, described bridge plate is provided with multiple working cell side by side, described working cell comprises the first Hydraulic Main hold-down mechanism successively, the first hydraulic self-centering mechanism, hydraulic pressure assists hold-down mechanism, the second hydraulic self-centering mechanism and the second Hydraulic Main hold-down mechanism;
First Hydraulic Main hold-down mechanism is identical with the second Hydraulic Main hold-down mechanism, and the first hydraulic self-centering mechanism is identical with the second hydraulic self-centering mechanism; On the horizontally disposed location-plate that described first hydraulic self-centering mechanism, described second hydraulic self-centering mechanism and described hydraulic pressure assist hold-down mechanism to be all arranged on described bridge plate;
Described first Hydraulic Main hold-down mechanism comprises and three compressed oil cylinders being set up in parallel on the clamping seats of workpiece shapes adaptation, clamping seats and the Zuo Jin mechanism with workpiece shapes adaptation, and described clamping seats is also provided with the two or more clamp for fixing to clamp workpiece near one end of described Zuo Jin mechanism;
Described first hydraulic self-centering mechanism comprises self-centering oil cylinder, and described self-centering oil cylinder can by workpiece self-centering and the clamping that is fixed;
Described hydraulic pressure assists hold-down mechanism to comprise hydraulic corner cylinder, corner cylinder pressing plate and two pressure heads successively, and described corner cylinder pressing plate is installed on the piston rod upper end of described hydraulic corner cylinder, and described pressure head is located at the two ends of described corner cylinder pressing plate;
Described compressed oil cylinder, described self-centering oil cylinder are all vertical with described bridge plate with described hydraulic corner cylinder.
Preferably, described Zuo Jin mechanism comprises seat gold one, seat gold two and seat gold three, and described seat gold one and described seat gold two are located at one end of described location-plate, and described seat gold three is located on described bridge plate for supporting workpiece.
Preferably, described self-centering oil cylinder comprise piston rod one, perpendicular to described piston rod one piston rod two and be located at the jaw of described piston rod two end; The quantity of described piston rod two is two, is arranged at the both sides, upper end of described piston rod one respectively, and the axis of two piston rods two overlaps; The described piston rod two that can promote its both sides that moves up and down of described piston rod one drives described jaw side-to-side movement, and workpiece self-centering is close to described seat gold one and described seat gold two.
Preferably, mated by oat tail groove structure between described piston rod one and described piston rod two, thus realize moving up and down of described piston rod one to convert the side-to-side movement of described piston rod two to.
Preferably, the cylinder body afterbody of described hydraulic corner cylinder is provided with the cover plate two of sealed cylinder, after self-centering clamping work completes, the piston rod of described hydraulic corner cylinder moves downward, drive described corner cylinder pressing plate and described pressure head do 90 degree rotate and to pressing down to make workpiece be adjacent to seat gold three.
Preferably, described hydraulic corner cylinder and described self-centering oil cylinder are all assembled into one with described location-plate; Described location-plate is provided with the through hole that can pass for the piston rod of described hydraulic corner cylinder and the piston rod one of described self-centering oil cylinder; Described location-plate is provided with the cover plate three for preventing dust from falling into described through hole.
Preferably, described location-plate upper surface is provided with two mistake proofing blocks, can prevent that workpiece is anti-loaded causes locating surface disunity, will be held on mistake proofing block and cannot put in place by clamping after namely workpiece revolves turnback.
Preferably, be provided with a point oil clot in described working cell, described point of oil clot one side is locked with described bridge plate, and another side and described location-plate are locked.
Preferably, described hydraulic corner cylinder is flange form hydraulic corner cylinder.
Compared with prior art, the present invention has the following advantages:
The present invention adopts hydraulic self-centering mechanism to position workpiece to be processed, and positional accuracy is higher, and repetitive positioning accuracy is higher, can significantly improve qualification rate and the machining accuracy of product;
Hydraulic pressure assists hold-down mechanism can ensure part and effective contact of supporting surface (seat gold three) completely, stops the generation of clamping bad phenomenon;
Two workpiece can be laid in each working cell simultaneously, when bridge plate being arranged three working cells, produce six processing stations, namely the self-centering rolling clamp of this multistation can the more finished products of disposable output, production efficiency is greatly improved, reduce production cost, for new direction is opened up in the processing of this type of part;
Workpiece to be processed only needs clamping once, all processing contents can be completed, therefore avoids the accumulated error that repeated clamping causes, thus improve machining accuracy, and also can meet the high symmetry requirement of workpiece, the qualification rate of product at least improves 10% simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only one embodiment of the present of invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to this accompanying drawing.
Fig. 1 is the perspective view of a kind of bearing cap multistation self-centering rolling clamp disclosed in the embodiment of the present invention 1;
Fig. 2 is the main TV structure schematic diagram of Fig. 1;
Fig. 3 is the A-A sectional view in Fig. 2;
Fig. 4 is the B-B sectional view in Fig. 2.
Corresponding component title in figure represented by numeral:
1. bridge plate 2. location-plate 3. clamping seats 4. compressed oil cylinder 5. clamp 6. self-centering oil cylinder 61. piston rod 1 piston rod 2 63. jaw 7. hydraulic corner cylinder 8. corner cylinder pressing plate 9. pressure head 10. gold one 11. gold 2 12. gold 3 13. cover plate 2 14. cover plate 3 15. mistake proofing blocks 16. points of oil clots
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only one embodiment of the invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with embodiment and detailed description of the invention, the present invention is further detailed explanation.
Embodiment 1.
As Figure 1-Figure 4, a kind of bearing cap multistation self-centering rolling clamp, comprise bridge plate 1, described bridge plate is provided with side by side three working cells, described working cell comprises the first Hydraulic Main hold-down mechanism successively, the first hydraulic self-centering mechanism, hydraulic pressure assists hold-down mechanism, the second hydraulic self-centering mechanism and the second Hydraulic Main hold-down mechanism;
First Hydraulic Main hold-down mechanism is identical with the second Hydraulic Main hold-down mechanism, and the first hydraulic self-centering mechanism is identical with the second hydraulic self-centering mechanism; On the horizontally disposed location-plate 2 that described first hydraulic self-centering mechanism, described second hydraulic self-centering mechanism and described hydraulic pressure assist hold-down mechanism to be all arranged on described bridge plate.
First Hydraulic Main hold-down mechanism comprises and three compressed oil cylinders 4 being set up in parallel on the clamping seats 3 of workpiece shapes adaptation, clamping seats and the Zuo Jin mechanism with workpiece shapes adaptation, and described clamping seats is also provided with two (or more than three) clamps 5 for fixing to clamp workpiece near one end of described Zuo Jin mechanism.
First hydraulic self-centering mechanism comprises self-centering oil cylinder 6, and described self-centering oil cylinder can by workpiece self-centering and the clamping that is fixed.Described self-centering oil cylinder comprise piston rod 1, perpendicular to described piston rod one piston rod 2 62 and be located at the jaw 63 of described piston rod two end; The quantity of described piston rod two is two, is arranged at the both sides, upper end of described piston rod one respectively, and the axis of two piston rods two overlaps; The described piston rod two that can promote its both sides that moves up and down of described piston rod one drives described jaw side-to-side movement, and workpiece self-centering is close to described seat gold one and described seat gold two.Mated by oat tail groove structure between piston rod 1 and piston rod 2 62, thus realize moving up and down of piston rod one to convert the side-to-side movement of piston rod two to.
Hydraulic pressure assists hold-down mechanism to comprise hydraulic corner cylinder 7, corner cylinder pressing plate 8 and two pressure heads 9 successively, and described corner cylinder pressing plate is installed on the piston rod upper end of described hydraulic corner cylinder, and described pressure head is located at the two ends of described corner cylinder pressing plate.
Compressed oil cylinder 4, self-centering oil cylinder 6 and hydraulic corner cylinder 7 are all vertical with bridge plate 1; Wherein hydraulic corner cylinder is flange form hydraulic corner cylinder.
Zuo Jin mechanism comprises seat gold 1, seat gold 2 11 and seat gold 3 12, and seat gold one and seat gold two are located at one end of location-plate 2, and seat gold three is located on bridge plate 1 for supporting workpiece.
The cylinder body afterbody of hydraulic corner cylinder 7 is provided with the cover plate 2 13 of sealed cylinder, after self-centering clamping work completes, the piston rod of described hydraulic corner cylinder moves downward, and drives corner cylinder pressing plate 8 and pressure head 9 to do 90 degree and to rotate and to pressing down to make workpiece be adjacent to seat gold 3 12.
Hydraulic corner cylinder and self-centering oil cylinder are all assembled into one with location-plate 2; Location-plate 2 is provided with the through hole that can pass for the piston rod of described hydraulic corner cylinder and the piston rod one of described self-centering oil cylinder; Described location-plate is provided with the cover plate 3 14 for preventing dust from falling into described through hole.
Location-plate 2 upper surface is provided with two mistake proofing blocks 15, can prevent that workpiece is anti-loaded causes locating surface disunity, will be held on mistake proofing block and cannot put in place by clamping after namely workpiece revolves turnback.
Because this fixture all adopts built-in oil circuit and oil circuit is complicated, therefore in working cell, devise point oil clot 16 to realize the connection of a part of oil circuit; Adopt both sides fixed form, one side is locked with bridge plate 1, and one side is locked with location-plate 2.
The quantity of above-mentioned working cell can also be other numeral plural, can increase and decrease according to actual needs.
Operation principle:
When Hydraulic Station (lathe outside is equipped with) provides power source to fixture, fixture performs relevant action in order.
Action one, hydraulic self-centering mechanism action: drive by power source, the piston 1 of self-centering oil cylinder 6 moves up and down and drives horizontally disposed piston 2 62 to produce side-to-side movement, the jaw 63 of one end is driven to move by piston 2 62 again, make workpiece self-centering and be close to described seat gold one and described seat gold two, thus completing workpiece self-centering function.
Action two, the action of hydraulic pressure auxiliary compression: after self-centering action completes, the auxiliary hydraulic corner cylinder 7 compressed is by power drive, drive corner cylinder pressing plate 8 and pressure head 9 90-degree rotation and to pressing down to make workpiece be adjacent to seat gold 3 12, ensure that workpiece contacts completely with supporting surface.
Action three, the action of Hydraulic Main hold-down mechanism: after workpiece precompressed terminates, the piston rod of compressed oil cylinder produces by power drive and moves up and down to drive clamp 5 side-to-side movement and Clamp blocks completely.
Action four, pre-pressing are unclamped: after Hydraulic Main hold-down mechanism clamps completely, and corner cylinder pressing plate 8 counter-rotating 90 degree under power source drives of hydraulic pressure pwc hold-down mechanism, to unclamp workpiece, is processed for workpiece multiaspect and discharged space.
After above-mentioned action all completes, fixture coordinates the content all to be processed of four axle rotation-indexing table rotating machined workpieces.After machining, in order workpiece is totally released, to take out finished work-piece, the blank workpiece that clamping is new and then complete fabrication cycles next time.
Compared with prior art, the present invention has the following advantages:
The present invention adopts hydraulic self-centering mechanism to position workpiece to be processed, and positional accuracy is higher, and repetitive positioning accuracy is higher, can significantly improve qualification rate and the machining accuracy of product;
Hydraulic pressure assists hold-down mechanism can ensure part and effective contact of supporting surface (seat gold three) completely, stops the generation of clamping bad phenomenon;
Two workpiece can be laid in each working cell simultaneously, when bridge plate being arranged three working cells, produce six processing stations, namely the self-centering rolling clamp of this multistation can the more finished products of disposable output, production efficiency is greatly improved, reduce production cost, for new direction is opened up in the processing of this type of part;
Workpiece to be processed only needs clamping once, all processing contents can be completed, therefore avoids the accumulated error that repeated clamping causes, thus improve machining accuracy, and also can meet the high symmetry requirement of workpiece, the qualification rate of product at least improves 10% simultaneously.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. a bearing cap multistation self-centering rolling clamp, comprise bridge plate, described bridge plate is provided with multiple working cell side by side, it is characterized in that, described working cell comprises the first Hydraulic Main hold-down mechanism successively, the first hydraulic self-centering mechanism, hydraulic pressure assists hold-down mechanism, the second hydraulic self-centering mechanism and the second Hydraulic Main hold-down mechanism;
First Hydraulic Main hold-down mechanism is identical with the second Hydraulic Main hold-down mechanism, and the first hydraulic self-centering mechanism is identical with the second hydraulic self-centering mechanism; On the horizontally disposed location-plate that described first hydraulic self-centering mechanism, described second hydraulic self-centering mechanism and described hydraulic pressure assist hold-down mechanism to be all arranged on described bridge plate;
Described first Hydraulic Main hold-down mechanism comprises and three compressed oil cylinders being set up in parallel on the clamping seats of workpiece shapes adaptation, clamping seats and the Zuo Jin mechanism with workpiece shapes adaptation, and described clamping seats is also provided with the two or more clamp for fixing to clamp workpiece near one end of described Zuo Jin mechanism;
Described first hydraulic self-centering mechanism comprises self-centering oil cylinder, and described self-centering oil cylinder can by workpiece self-centering and the clamping that is fixed;
Described hydraulic pressure assists hold-down mechanism to comprise hydraulic corner cylinder, corner cylinder pressing plate and two pressure heads successively, and described corner cylinder pressing plate is installed on the piston rod upper end of described hydraulic corner cylinder, and described pressure head is located at the two ends of described corner cylinder pressing plate;
Described compressed oil cylinder, described self-centering oil cylinder are all vertical with described bridge plate with described hydraulic corner cylinder.
2. a kind of bearing cap multistation self-centering rolling clamp according to claim 1, it is characterized in that, described Zuo Jin mechanism comprises seat gold one, seat gold two and seat gold three, described seat gold one and described seat gold two are located at one end of described location-plate, and described seat gold three is located on described bridge plate for supporting workpiece.
3. a kind of bearing cap multistation self-centering rolling clamp according to claim 2, is characterized in that, described self-centering oil cylinder comprise piston rod one, perpendicular to described piston rod one piston rod two and be located at the jaw of described piston rod two end; The quantity of described piston rod two is two, is arranged at the both sides, upper end of described piston rod one respectively, and the axis of two piston rods two overlaps; The described piston rod two that can promote its both sides that moves up and down of described piston rod one drives described jaw side-to-side movement, and workpiece self-centering is close to described seat gold one and described seat gold two.
4. a kind of bearing cap multistation self-centering rolling clamp according to claim 3, it is characterized in that, mated by oat tail groove structure between described piston rod one and described piston rod two, thus realize moving up and down of described piston rod one to convert the side-to-side movement of described piston rod two to.
5. a kind of bearing cap multistation self-centering rolling clamp according to claim 1 or 4, it is characterized in that, the cylinder body afterbody of described hydraulic corner cylinder is provided with the cover plate two of sealed cylinder, after self-centering clamping work completes, the piston rod of described hydraulic corner cylinder moves downward, drive described corner cylinder pressing plate and described pressure head do 90 degree rotate and to pressing down to make workpiece be adjacent to seat gold three.
6. a kind of bearing cap multistation self-centering rolling clamp according to claim 5, it is characterized in that, described hydraulic corner cylinder and described self-centering oil cylinder are all assembled into one with described location-plate; Described location-plate is provided with the through hole that can pass for the piston rod of described hydraulic corner cylinder and the piston rod one of described self-centering oil cylinder; Described location-plate is provided with the cover plate three for preventing dust from falling into described through hole.
7. a kind of bearing cap multistation self-centering rolling clamp according to claim 6, it is characterized in that, described location-plate upper surface is provided with two mistake proofing blocks, can prevent that workpiece is anti-loaded causes locating surface disunity, will be held on mistake proofing block and cannot put in place by clamping after namely workpiece revolves turnback.
8. a kind of bearing cap multistation self-centering rolling clamp according to claim 7, is characterized in that, be provided with a point oil clot in described working cell, and described point of oil clot one side is locked with described bridge plate, and another side and described location-plate are locked.
9. a kind of bearing cap multistation self-centering rolling clamp according to claim 8, it is characterized in that, described hydraulic corner cylinder is flange form hydraulic corner cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410394963.4A CN104227458B (en) | 2014-08-12 | 2014-08-12 | Multi-station self-centering rotary clamp for bearing cap |
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| CN201410394963.4A CN104227458B (en) | 2014-08-12 | 2014-08-12 | Multi-station self-centering rotary clamp for bearing cap |
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| CN104227458A true CN104227458A (en) | 2014-12-24 |
| CN104227458B CN104227458B (en) | 2017-01-11 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436542A (en) * | 2018-04-12 | 2018-08-24 | 宁波海天精工股份有限公司 | A kind of FE Tiler processing hydraulically operated fixture |
| CN109514313A (en) * | 2018-12-30 | 2019-03-26 | 宁波亚路轴业有限公司 | A kind of frock clamp for clump weight automatic drilling machining center |
| CN109834489A (en) * | 2019-03-28 | 2019-06-04 | 盐城京奇刀具有限公司 | A kind of cam ring processing auxiliary mould |
| CN110238419A (en) * | 2019-07-16 | 2019-09-17 | 潍坊威豹机械有限责任公司 | A kind of multi-work piece clamping self-centering chuck |
| WO2020098547A1 (en) * | 2018-11-16 | 2020-05-22 | 芜湖仅一机械有限公司 | Five-jaw self-centering clamping tool having detection function |
| WO2020098546A1 (en) * | 2018-11-16 | 2020-05-22 | 芜湖仅一机械有限公司 | Five-jaw self-centering clamping fixture |
| CN111761384A (en) * | 2020-07-29 | 2020-10-13 | 湛江德利车辆部件有限公司 | Camshaft retainer processingequipment |
| CN115122115A (en) * | 2022-06-27 | 2022-09-30 | 东莞溪河精密技术有限公司 | Clamp, clamp assembly and machining equipment |
| US20220347808A1 (en) * | 2019-12-13 | 2022-11-03 | Qingdao university of technology | Multi-station turning tool bit milling fixture system capable of intelligently detecting clamping force |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108436542A (en) * | 2018-04-12 | 2018-08-24 | 宁波海天精工股份有限公司 | A kind of FE Tiler processing hydraulically operated fixture |
| CN108436542B (en) * | 2018-04-12 | 2019-12-13 | 宁波海天精工股份有限公司 | Hydraulic clamp for machining tile cover |
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| CN109514313A (en) * | 2018-12-30 | 2019-03-26 | 宁波亚路轴业有限公司 | A kind of frock clamp for clump weight automatic drilling machining center |
| CN109834489B (en) * | 2019-03-28 | 2024-03-19 | 盐城京奇刀具有限公司 | Cam ring processing auxiliary fixtures |
| CN109834489A (en) * | 2019-03-28 | 2019-06-04 | 盐城京奇刀具有限公司 | A kind of cam ring processing auxiliary mould |
| CN110238419A (en) * | 2019-07-16 | 2019-09-17 | 潍坊威豹机械有限责任公司 | A kind of multi-work piece clamping self-centering chuck |
| CN110238419B (en) * | 2019-07-16 | 2024-02-27 | 潍坊威豹机械有限责任公司 | Multi-workpiece clamping self-centering chuck |
| US20220347808A1 (en) * | 2019-12-13 | 2022-11-03 | Qingdao university of technology | Multi-station turning tool bit milling fixture system capable of intelligently detecting clamping force |
| US12036632B2 (en) * | 2019-12-13 | 2024-07-16 | Qingdao university of technology | Multi-station turning tool bit milling fixture system |
| CN111761384A (en) * | 2020-07-29 | 2020-10-13 | 湛江德利车辆部件有限公司 | Camshaft retainer processingequipment |
| CN115122115A (en) * | 2022-06-27 | 2022-09-30 | 东莞溪河精密技术有限公司 | Clamp, clamp assembly and machining equipment |
| CN115122115B (en) * | 2022-06-27 | 2024-03-22 | 东莞溪河精密技术有限公司 | Clamp, clamp assembly and processing equipment |
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