CN104759914A - Connecting rod hole boring and oil groove milling clamp - Google Patents
Connecting rod hole boring and oil groove milling clamp Download PDFInfo
- Publication number
- CN104759914A CN104759914A CN201510192578.6A CN201510192578A CN104759914A CN 104759914 A CN104759914 A CN 104759914A CN 201510192578 A CN201510192578 A CN 201510192578A CN 104759914 A CN104759914 A CN 104759914A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- support
- connecting rod
- macropore
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
Disclosed is a connecting rod hole boring and oil groove milling clamp. The connecting rod hole boring and oil groove milling clamp is characterized by comprising a pressing plate, two fixed V-shaped blocks, two movable V-shaped blocks, a support and a box, wherein the pressing plate comprises a small hole pressing plate body and a large hole pressing plate body, the small hole pressing plate body and the large hole pressing plate body are each in the shape of a T-shaped plate, the large end of each T-shaped plate is a compressing end, two guiding holes are formed in each compressing end, the pressing plate is fixed to the support through a floating gripper, the support is fixed to the top of the box, the two fixed V-shaped blocks are fixedly arranged at the positions, corresponding to the two guiding holes below the front end of the small hole pressing plate body, of the support, and the two movable V-shaped blocks are movably arranged at the positions, corresponding to the two fixed V-shaped blocks and the large hole pressing plate body, of the support. Hole machining of two connecting rods can be completed through one-time clamping. The floating gripper is arranged on the pressing plate, so that the stress of the two connecting rods is uniform during hole machining, and the machining precision is ensured. The working efficiency and precision are improved, meanwhile, the cost is lowered, and the occupied area of a machine tool is decreased.
Description
Technical field
The present invention relates to Machining Technology field, particularly connecting rod bores bore hole and milling oil groove chucking appliance system.
Background technology
In the clamp types that this class workpiece is traditional, boring, the bore hole of connecting rod belong to the different manufacturing procedure of twice with milling oil groove, need to complete respectively on two lathes, not only working (machining) efficiency is low, processing cost is high, and carry out on different lathe due to different operation, need the Set and Positioning through at least twice, cause machining accuracy low.And on a machine tool, can only hole to a connecting rod through clamped one time, bore hole, working (machining) efficiency is low.
Summary of the invention
For overcoming problems of the prior art, the invention provides the chucking appliance system that a kind of working (machining) efficiency is high, machining accuracy is high, processing cost is low.
The present invention solves the technical scheme that its technical problem takes: this connecting rod bores bore hole and milling oil groove chucking appliance system, it is characterized in that: comprise pressing plate, two fixing V-blocks, two movable V-blocks, support and casings; Pressing plate comprises aperture pressing plate and macropore pressing plate, and described aperture pressing plate and macropore pressing plate are T-shaped tabular, and the stub end of T-shaped plate is for compressing end, and compress end and be provided with two pilot holes, pressing plate is fixed on support by float support; Support is fixed on the top of casing, and on support, below respective apertures pressing plate front end, two pilot hole places are fixedly installed two fixing V-blocks; Correspondingly with two fixing V-blocks and macropore pressing plate on support be also movably equipped with two movable V-blocks.
Further, described float support comprises bolt, clamp nut, spheric washer, and pressing plate is fixed on support through pressing plate by bolt, and the sphere of spheric washer coordinates with the taper-face contact of pressing plate, above spheric washer, be rotary with clamp nut.
Further, the tail end of described pressing plate is fixed on support by guide support and adjustable supports, and described guide support is fixed on support by alignment pin, and adjustable supports comprises bolt and hex nut, and bolt is fixed by hex nut through pressing plate tail end.
Further, the two sides that described pressing plate tail end contacts with guide support are cambered surface.
Further, two pilot hole diameters of described aperture pressing plate are less than two pilot hole diameters of macropore pressing plate.
Further, on described aperture pressing plate and macropore pressing plate, corresponding pilot hole position is provided with aperture gland and macropore gland, aperture gland and macropore facing and corresponding pilot hole coaxial line.
Further, on support, the position of respective apertures pressing plate and macropore pressing plate pilot hole is respectively equipped with aperture support and macropore support, and aperture supports and supports and corresponding pilot hole coaxial line with macropore.
Further, two described movable V-blocks are fixed on the piston rod of cylinder.
Further, in described casing, corresponding pilot hole place is fixed with chip area, and the bottom of chip area is the plane tilted.
To sum up, the beneficial effect of technique scheme of the present invention is as follows: achieve clamped one time by two T-shaped pressing plates and can complete hole machined to two connecting rods.Two connecting rod uniform force when the float support that pressing plate is arranged makes hole machined, ensure that machining accuracy.By the cooperation of fixing V-block, movable V-block and pressing plate, achieve clamped one time, completing of two procedures processed by hole machined and oil groove, improves operating efficiency and machining accuracy, reduce cost simultaneously, decrease the floor space of lathe.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is A-A sectional view of the present invention;
Fig. 4 is the partial enlarged drawing of part A in Fig. 3;
Fig. 5 is the structural representation of aperture pressing plate of the present invention;
Fig. 6 is the partial enlarged drawing of part B in Fig. 3;
Fig. 7 is the structural representation of chip area of the present invention.
In figure:
1 aperture pressing plate, 101 compress end, 102 stiff ends, 103 pilot holes, 104 taper seat grooves, 105 cambered surfaces, 2 macropore pressing plates, 3 fixing V-blocks, 4 movable V-blocks, 5 supports, 6 float supports, 61 first bolts, 62 clamp nuts, 63 spheric washers, 7 cylinders, 8 guide supports, 9 adjustable supports, 901 second bolts, 902 hex nuts, 10 fixed alignment pins, 11 aperture glands, 12 macropore glands, 13 apertures support, and 14 macropores support, 15 chip areas, 151 planes tilted, 16 casings, 17 connecting rods.
Detailed description of the invention
Be described in detail to characteristic sum principle of the present invention below in conjunction with accompanying drawing, illustrated embodiment, only for explaining the present invention, not limits protection scope of the present invention with this.
As shown in Figure 1, this chucking appliance system comprises pressing plate, fixing V-block 3, movable V-block 4 and support 5.Its center platen has two, is respectively an aperture pressing plate 1 and a macropore pressing plate 2.Aperture pressing plate 1 and macropore pressing plate 2 are the pressing plate of T-shaped shape, and the stub end of definition of T type pressing plate is for compressing end 101, and little head end is stiff end 102.The axis being provided with two pilot holes 103, two pilot hole 103 at the compression end 101 of aperture pressing plate 1 is parallel to each other and all perpendicular to the end face horizontal plane of support 5.Support is fixed on the top of casing 16, and the compression end 101 of two macropore pressing plates 2 is also provided with two pilot holes 103, and the axis of two pilot holes 103 is also parallel to each other, and with pilot hole 103 axis being parallel of aperture pressing plate 1.And pilot hole 103 diameter of aperture pressing plate 1 is less than the diameter of macropore pressing plate 2 pilot hole 103, the diameter of the aperture that the diameter of aperture pressing plate 1 pilot hole 103 will be processed than connecting rod 17 is slightly large, and the diameter of the macropore that the diameter of macropore pressing plate 2 pilot hole 103 will be processed than connecting rod 17 is slightly large.Described aperture pressing plate 1 is pressed in one end of connecting rod 17 aperture, and macropore pressing plate 2 is pressed in one end of connecting rod 17 macropore.The mid portion of pressing plate is fixed on support 5 by float support 6.
The V-type overthe openings that support 5 is also fixed with two fixing V-blocks 3 of fixing V-block 3, two is the pilot hole 103 of aperture pressing plate 1.Namely two described fixing V-blocks 3 are fixed by screws on support 5.The height of described fixing V-block 3 is lower than the thickness of connecting rod 17, in process, when aperture pressing plate 1 falls and is pressed in connecting rod 17 small bore end, certain gap is had between the bottom surface of aperture pressing plate 1 and fixing V-block 3, prevent fixing V-block 3 from affecting being fixed of aperture pressing plate 1 pair of connecting rod 17, ensure fixedly securing thus improving machining accuracy of connecting rod 17.Support 5 is also fixed with two can towards near and the movable V-block 4 of doing exercises away from the both direction of fixing V-block 3.One end of two movable V-blocks 4 is that the connecting rod 17 of V-type opening grips end 102, the other end is connected with the piston rod of cylinder 7, and two movable V-blocks 4 can realize synchronization action under the effect of cylinder 7, complete gripping and unclamping the large nose end of connecting rod 17.
The effect of the movable V-block 4 in this place is no longer the double acting of traditional V-block location of playing and clamping, but only takes the positioning action of V-block, and clamping action has then mainly been come by pressing plate.
Further, described float support 6 comprises bolt, clamp nut 62, spheric washer 63.Defining this bolt is that pressing plate is fixed on support 5 through pressing plate by the first bolt 61.The hole place that upper surface first bolt 61 of pressing plate passes is taper seat groove 104, and the bottom of described spheric washer 63 is dome shape, and the land portions of spheric washer 63 contacts with the taper seat groove 104 of pressing plate and coordinates.In the process of processing, pressing plate is subject to the effect of power, by coordinating of this sphere and taper seat, makes pressing plate floating motion, ensure that pressing plate is even to pressed connecting rod 17 power, guarantee crudy.Utilize the sphere of spheric washer 63 to coordinate with the conical surface contact of pressing plate, make when the first bolt 61 pulls down and presses plate both line contact stressed, thus make pressing plate can do floating of trace when being tightened up.On threaded rod, revolve above spheric washer 63 and be equipped with clamp nut 62, realize fixedly securing spheric washer 63 and fixation clip.
Further, the tail end of described pressing plate is fixed on support 5 by guide support 8, and described guide support 8 is fixed on support 5 by alignment pin.Described guide support 8 top is provided with the gathering sill of pressing plate stiff end 102, the two sides that the stiff end 102 of pressing plate coordinates with guide support 8 are cambered surface 105, the stiff end 102 of pressing plate is also provided with adjustable supports 9, adjustable supports 9 comprises a bolt and a hex nut 902, defining this bolt is the second bolt 901, second bolt 901 passes threaded rod one end of pressing plate stiff end 102, second bolt 901 upwards, and threaded rod is provided with a hex nut 902.Described guide support 8 is fixed by fixed alignment pin 10 and support 5.The guide support 8 of pressing plate and adjustable supports 9 coordinate float support 6 further to be fixed by pressing plate, make pressing plate more stable.
By two cambered surfaces 105 that the tail end of pressing plate contacts with guide support 8, coordinate with guide support 8 and on the one hand limit the rotation degree of indeterminacy of pressing plate around Z axis, also assures that the rotation degree of indeterminacy of pressing plate around X-direction and Y-direction on the other hand.Make in the process of processing, pressing plate can have certain degrees of rotation around X and Y-direction, ensure that the pressure uniform of pressing plate to connecting rod 17, improves machining accuracy.And adjustable supports 9 ensure that when Workpiece clamping, guide support 8 gives guiding pressing plate one along Z-direction power upwards, and this power can the power that is subject to of equilibrium pressure front edge of board.
Further, bottom aperture pressing plate 1 and macropore pressing plate 2, the position of corresponding pilot hole 103 is provided with aperture gland 11 and macropore gland 12, pilot hole 103 coaxial line of aperture gland 11 and aperture pressing plate 1, pilot hole 103 coaxial line of macropore gland 12 and macropore pressing plate 2.Add man-hour, by connecting rod 17 V-block location, compress with aperture gland 11 and macropore gland 12, gland serves further guide effect, and when making machining hole, machining accuracy is higher.
Further, support 5 is also provided with aperture support 13 and macropore support 14, and wherein aperture supports pilot hole 103 coaxial line of 13 and aperture pressing plate 1, and macropore supports pilot hole 103 coaxial line of 14 and macropore pressing plate 2.Add man-hour, connecting rod 17 be placed in aperture supports 13, macropore supports between 14 and pressing plate, or aperture supports 13, macropore support 14 and aperture gland 11, between macropore gland 12.After being located by fixing V-block 3 and movable V-block 4, support 14 compress by aperture gland 11, macropore gland 12 and aperture support 13, macropore.
Connecting rod 17 is behind be fixed V-block 3 and movable V-block 4 location, again by platen clamp, first the processing of connecting rod 17 macropore and aperture is carried out, after treating hole machined, the piston rod of cylinder 7 shrinks, and moved with the direction of trend away from fixing V-block 3 by movable V-block 4, namely movable V-block 4 is return, in beginning second operation work, the processing of oil groove.Because pressing plate is T-shaped design, connecting rod 17 needs one end of processing oil groove to be in T-shaped pressing plate corner, and milling cutter falls to oil groove place to be processed downwards perpendicular to pressing plate, realizes the processing to oil groove.This chucking appliance system achieves the two procedures (processing in hole and the milling of oil groove) that clamped one time can complete two workpiece.This design not only decreases the quantity of lathe needed for workpiece, has saved business capital input, and decreases the time taken because changing workpiece, improves production efficiency and machining accuracy.
Further, in described casing 16, be also provided with chip area 15, the bottom of chip area 15 is the plane 151 tilted.Chip area 15 is fixed on support 5 by screw, and two, the upper end mouth of chip area 15 docks rear sealing with support 5.Drain along the surface tilted after chip enters chip area 15, ensure that the smooth and easy of chip removal in connecting rod 17 process.
Above-described embodiment is only the description carried out the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in the determined protection domain of claims of the present invention.
Claims (9)
1. connecting rod bores bore hole and milling oil groove fixture, it is characterized in that: comprise pressing plate, two fixing V-blocks, two movable V-blocks, support and casings; Pressing plate comprises aperture pressing plate and macropore pressing plate, and described aperture pressing plate and macropore pressing plate are T-shaped tabular, and the stub end of T-shaped plate is for compressing end, and compress end and be provided with two pilot holes, pressing plate is fixed on support by float support; Support is fixed on the top of casing, and on support, below respective apertures pressing plate front end, two pilot hole places are fixedly installed two fixing V-blocks; Correspondingly with two fixing V-blocks and macropore pressing plate on support be also movably equipped with two movable V-blocks.
2. connecting rod according to claim 1 bores bore hole and milling oil groove fixture, it is characterized in that: described float support comprises bolt, clamp nut, spheric washer, pressing plate is fixed on support through pressing plate by bolt, the sphere of spheric washer coordinates with the taper-face contact of pressing plate, above spheric washer, be rotary with clamp nut.
3. connecting rod according to claim 1 bores bore hole and milling oil groove fixture, it is characterized in that: the tail end of described pressing plate is fixed on support by guide support and adjustable supports, described guide support is fixed on support by alignment pin, adjustable supports comprises bolt and hex nut, and bolt is fixed by hex nut through pressing plate tail end.
4. connecting rod according to claim 3 bores bore hole and milling oil groove fixture, it is characterized in that: the two sides that described pressing plate tail end contacts with guide support are cambered surface.
5. connecting rod according to claim 1 bores bore hole and milling oil groove fixture, it is characterized in that: two pilot hole diameters of described aperture pressing plate are less than two pilot hole diameters of macropore pressing plate.
6. connecting rod according to claim 5 bores bore hole and milling oil groove fixture, it is characterized in that: on described aperture pressing plate and macropore pressing plate, corresponding pilot hole position is provided with aperture gland and macropore gland, aperture gland and macropore facing and corresponding pilot hole coaxial line.
7. connecting rod according to claim 6 bores bore hole and milling oil groove fixture, it is characterized in that: on support, the position of respective apertures pressing plate and macropore pressing plate pilot hole is respectively equipped with aperture support and macropore support, and aperture supports and supports and corresponding pilot hole coaxial line with macropore.
8. connecting rod according to claim 1 bores bore hole and milling oil groove fixture, it is characterized in that: two described movable V-blocks are fixed on the piston rod of cylinder.
9. connecting rod according to claim 1 bores bore hole and milling oil groove fixture, it is characterized in that: in described casing, corresponding pilot hole place is fixed with chip area, and the bottom of chip area is the plane tilted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192578.6A CN104759914B (en) | 2015-04-22 | 2015-04-22 | Connecting rod hole boring and oil groove milling clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192578.6A CN104759914B (en) | 2015-04-22 | 2015-04-22 | Connecting rod hole boring and oil groove milling clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759914A true CN104759914A (en) | 2015-07-08 |
| CN104759914B CN104759914B (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192578.6A Active CN104759914B (en) | 2015-04-22 | 2015-04-22 | Connecting rod hole boring and oil groove milling clamp |
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| Country | Link |
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| CN (1) | CN104759914B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014423A (en) * | 2015-07-10 | 2015-11-04 | 江苏南铸科技股份有限公司 | Positioning tool facilitating chip removal |
| CN105328484A (en) * | 2015-11-28 | 2016-02-17 | 重庆渝记涵诚机械制造有限公司 | Clamp for precise boring of cam driven piece |
| CN106270684A (en) * | 2016-08-25 | 2017-01-04 | 安徽六方重联机械股份有限公司 | The positioning and locking groove milling equipment of stud |
| CN106799608A (en) * | 2016-12-28 | 2017-06-06 | 无锡贝斯特精机股份有限公司 | Three-point floating hold-down mechanism |
| CN107081614A (en) * | 2017-06-10 | 2017-08-22 | 安徽普伦智能装备有限公司 | A kind of big face clamp for machining of rectangular plate |
| CN108838700A (en) * | 2018-08-29 | 2018-11-20 | 苏州丰川电子科技有限公司 | Floating plate supporting device |
| CN109304631A (en) * | 2018-11-15 | 2019-02-05 | 浙江坤博机械制造有限公司 | A kind of full electric injection molding machine special type guiding attachment base tool fixture |
| CN109483288A (en) * | 2019-01-03 | 2019-03-19 | 天润曲轴股份有限公司 | Share the lever pressing device of tappet |
| CN111421355A (en) * | 2020-03-30 | 2020-07-17 | 杭州联德精密机械股份有限公司 | Annular thin plate machining tool and fixing method |
| CN113770768A (en) * | 2018-08-29 | 2021-12-10 | 苏州丰川电子科技有限公司 | Processing device for electronic product shell |
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| CN204639686U (en) * | 2015-04-22 | 2015-09-16 | 济南一机锐岭自动化工程有限公司 | Connecting rod bores bore hole and milling oil groove fixture |
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| CN2402438Y (en) * | 1999-11-19 | 2000-10-25 | 杨文亮 | Pneumatic and hydraulic cylinder working clamp structure |
| CN102259272A (en) * | 2010-05-26 | 2011-11-30 | 王保瑞 | Device for powerfully clamping machine tool |
| EP2554325A2 (en) * | 2011-08-04 | 2013-02-06 | VIGEL S.p.A. | Workpiece-holding unit for installation on machining centers for connecting rods |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014423A (en) * | 2015-07-10 | 2015-11-04 | 江苏南铸科技股份有限公司 | Positioning tool facilitating chip removal |
| CN105328484A (en) * | 2015-11-28 | 2016-02-17 | 重庆渝记涵诚机械制造有限公司 | Clamp for precise boring of cam driven piece |
| CN106270684A (en) * | 2016-08-25 | 2017-01-04 | 安徽六方重联机械股份有限公司 | The positioning and locking groove milling equipment of stud |
| CN106799608A (en) * | 2016-12-28 | 2017-06-06 | 无锡贝斯特精机股份有限公司 | Three-point floating hold-down mechanism |
| CN107081614A (en) * | 2017-06-10 | 2017-08-22 | 安徽普伦智能装备有限公司 | A kind of big face clamp for machining of rectangular plate |
| CN113770768A (en) * | 2018-08-29 | 2021-12-10 | 苏州丰川电子科技有限公司 | Processing device for electronic product shell |
| CN108838700A (en) * | 2018-08-29 | 2018-11-20 | 苏州丰川电子科技有限公司 | Floating plate supporting device |
| CN113770768B (en) * | 2018-08-29 | 2023-08-29 | 苏州丰川电子科技有限公司 | Processing device for electronic product shell |
| CN109304631A (en) * | 2018-11-15 | 2019-02-05 | 浙江坤博机械制造有限公司 | A kind of full electric injection molding machine special type guiding attachment base tool fixture |
| CN109304631B (en) * | 2018-11-15 | 2023-12-19 | 浙江坤博精工科技股份有限公司 | All-electric injection molding machine guide connection seat tool fixture |
| CN109483288A (en) * | 2019-01-03 | 2019-03-19 | 天润曲轴股份有限公司 | Share the lever pressing device of tappet |
| CN109483288B (en) * | 2019-01-03 | 2023-11-17 | 天润工业技术股份有限公司 | Lever-type pressing device with shared tappet |
| CN111421355A (en) * | 2020-03-30 | 2020-07-17 | 杭州联德精密机械股份有限公司 | Annular thin plate machining tool and fixing method |
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| CN104759914B (en) | 2017-01-18 |
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