CN102133656A - Milling fixture mechanism for crankcase-like workpieces - Google Patents
Milling fixture mechanism for crankcase-like workpieces Download PDFInfo
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- CN102133656A CN102133656A CN2011100935782A CN201110093578A CN102133656A CN 102133656 A CN102133656 A CN 102133656A CN 2011100935782 A CN2011100935782 A CN 2011100935782A CN 201110093578 A CN201110093578 A CN 201110093578A CN 102133656 A CN102133656 A CN 102133656A
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Abstract
The invention discloses a milling fixture mechanism for crankcase-like workpieces, and the milling fixture mechanism comprises a fixture body, wherein the two sides of a position above the fixture body are respectively provided with a main compact cylinder structure and an auxiliary compact cylinder structure; the front end of the main compact cylinder structure above the fixture body is provided with a support block, and a plurality of auxiliary support cylinders are distributed on the fixture body; the compact cylinder structure comprises a cylinder body, a piston arranged in the cylinder body, and a piston rod connected with the piston; the lower part of the right end of the piston rod is provided with a pushing bevel, and the pushing bevel is arranged in the internal cavity of the piston; the right end of the cylinder body is radially provided with a pin shaft, the pin shaft is inserted into an inclined long hole in the middle of a pressing plate, the left end of the pressing plate is arranged in the internal cavity at the right end part of the piston and radially connected with the right end of the piston rod, the left end part of the pressing plate has a radial play in the internal cavity of the piston, and a pushing chimb below the left end of the pressing plate props against the pushing bevel; and a pressing surface is arranged below the right end part of the pressing plate. The milling fixture mechanism disclosed by the invention is controllable and uniform in clamping force, firm, reliable, easy to operate, time-saving and labor-saving; and meanwhile, by utilizing the milling fixture mechanism, the labor intensity is reduced, and the operating efficiency is improved.
Description
Technical field
The present invention relates to thin wall work-piece milling fixture mechanisms such as a kind of clamp mechanism, particularly a kind of crankcase.
Background technology
Thin wall work-pieces such as crankcase are the Milling Process modes that adopt when processing its end face and bottom surface more, at first workpiece are placed on the clamp body, according to the shape of workpiece a plurality of back-up blocks are set above the clamp body and are used for supporting workpiece, utilize clamp mechanism to be fixedly clamped then.Certain error can occur when making the process support piece, workpiece bottom self also has error, and is less as clamping force, and the situation of loose contact may appear in each strong point, when causing on milling the pin processing work plane, Workpiece vibration takes place even cause tool damage; As clamping force such as excessive, positioning phenomenon can appear again, and workpiece deformation is big, and this all can directly influence the machining accuracy of surface of the work.
Summary of the invention
The purpose of this invention is to provide a kind of processing ease, time saving and energy saving, clamping force evenly firmly, workpiece support point support good, clamp that the back workpiece does not deform that phenomenon, sequence of movement are easy, response receipts, crankcase class workpiece milling fixture mechanism that the cramping performance is good, overcome the deficiencies in the prior art.
Crankcase class workpiece milling fixture of the present invention mechanism comprises clamp body, and both sides are installed with main compression type cylinder structure and auxilliary compression type cylinder structure above clamp body; The front end that is positioned at main compressed oil cylinder structure on clamp body is provided with back-up block, is distributed with a plurality of spring rise type supplemental support oil cylinders on clamp body; Described compression type cylinder structure comprises cylinder body, is positioned at the piston of cylinder body and the piston rod that joins with piston; The promotion inclined-plane is arranged at the right-hand member bottom of piston rod, promotes the inclined-plane and is positioned in the inner chamber of piston; The right-hand member of cylinder body radially is equipped with bearing pin, bearing pin inserts in the middle oblique slotted hole of pressing plate, the left end of pressing plate is positioned in the right part inner chamber of piston and with the right-hand member of piston rod and axially is connected, there is radial play the left part of pressing plate in the inner chamber of piston, pressing plate left end below leans chimb and contacts with the promotion inclined-plane; There is pressure surface the below, right part of pressing plate.
Crankcase class workpiece milling fixture of the present invention mechanism, there is the hook platform to the inside of symmetry the right-hand member both sides of wherein said described piston rod, and the hook platform articulates mutually with the step of both sides, pressing plate left part; Right-hand member head at piston rod has the piston rod stomidium, at the left end head of pressing plate the pressing plate stomidium is arranged, and an end of axle spring is positioned at the piston rod stomidium, and the other end is positioned at the pressing plate stomidium; In side, pressing plate left part the pressing plate radial hole is arranged, radial spring is positioned at the pressing plate radial hole, and pressure cap inserts the pressing plate radial hole and is enclosed within on the radial spring, and the external end head of pressure cap is leaned on the madial wall of piston by the elastic force of radial spring.
Crankcase class workpiece milling fixture of the present invention mechanism, the left end of wherein said piston rod extends the outside of cylinder body and is connected to buting iron, is fixed with first by support and matches near switch and buting iron near switch and second on cylinder body.
Crankcase class workpiece milling fixture of the present invention mechanism, controlled and the uniformity of clamping force, solid and reliable after being fixedly clamped, the strong point can be fully good contact with workpiece, on milling the pin processing work during plane, overcome the Workpiece vibration phenomenon, not fragile cutter, the machining accuracy and the cutter life of having improved surface of the work.
Description of drawings
Fig. 1 is the schematic diagram of compression type cylinder structure in the specific embodiment of the invention;
The master of the piston rod that Fig. 2 is shown in Figure 1 looks schematic diagram;
Fig. 3 is a schematic top plan view shown in Figure 2;
Fig. 4 is that the master of pressing plate shown in Figure 1 looks schematic diagram;
Fig. 5 is a schematic top plan view shown in Figure 4;
Fig. 6 is the structural representation of the specific embodiment of the invention;
Fig. 7 is a schematic top plan view shown in Figure 6.
The specific embodiment
Shown in Fig. 1,2,3,4,5: 5 is the cylinder body of compression type cylinder structure, and 7 for being positioned at the piston of cylinder body 5.The first turnover oil nozzle 4 and the second turnover oil nozzle 8 have been threaded above cylinder body 5.
Piston 7 is a tubular, is provided with piston rod 19 in the inboard of piston 7, have on the piston rod 19 with piston rod 19 is structure as a whole to be connected platform 6, by bolt be connected platform 6 piston rod 19 fixedlyed connected with piston 7.The below, right-hand member middle part of piston rod 19 is processed with and promotes inclined-plane 17, and is processed with piston rod stomidium 9 in the center of piston rod 19.
12 is pressing plate, is processed with oblique slotted hole 14 in the middle of it, tiltedly is being furnished with bearing pin 13 in the slotted hole 14, fixedlys connected between the two ends of bearing pin 13 and the cylinder body 5.The left part of pressing plate 12 be positioned in the right part inner chamber of piston 7 and the oriented lower convexity in below lean chimb 24, lean chimb 24 and promote inclined-plane 17 and contact.Left end center at pressing plate 12 is processed with pressing plate stomidium 16, and an end of axle spring 18 is positioned at piston rod stomidium 9, and the other end is positioned at pressing plate stomidium 16.
In the both sides, right part of piston rod 9 inside and symmetrically arranged hook platform 22 are arranged, hook platform 22 just hangs on the step 26 of pressing plate 12 both sides.Step 26 is curved.
Side, left part at pressing plate 12 is processed with pressing plate radial hole 23, and radial spring 11 is positioned at it.Be covered with pressure cap 10 in the outer end of radial spring 11, pressure cap 10 is positioned at pressing plate radial hole 23, and the external end head of pressure cap 10 just leans on the madial wall of piston 7.There is pressure surface 25 below, right part of pressing plate 12.
The left end of cylinder body 5 has cylinder end caps 20 by bolting, and the left part of piston rod 19 to the centre bore of cylinder end caps 20 stretches out and bolting is connected with buting iron 21.Bolting at cylinder body 5 has support 2, on support 2, be installed with electric control gear join first near switch 1 and second near switch 3, buting iron 21 and first matches near switch 3 near switch 1 and second and is.The first turnover oil nozzle 4 and the second turnover oil nozzle 8 join by pipeline with hydraulic control.
The course of work of compression type cylinder structure is as follows: 15 for placing the workpiece (as engine cylinder-body) on the workbench, the first turnover oil nozzle 4 is in the oil-feed state, the second turnover oil nozzle 8 is in the drain charge state, piston 7, piston rod 19 together moves right, pressing plate 12 moves right under the effect of axle spring 18, owing to promote the effect on inclined-plane 17, the left part of pressing plate 12 is upwards rotated, being pressing plate 12 turns an angle along the center clockwise direction of bearing pin 13, this moment, pressing plate not only moved right but also rotate, radial spring 11 is compressed, bearing pin 13 slip in oblique slotted hole 14, the pressing plate right part rotates, and pressure surface is pressed on the respective planes on the workpiece 15, the active force that this moment, this cylinder structure produced perpendicular to Boring mill to, reach the purpose of workpiece pressing 15.Buting iron 21 with first near switch 1 and second near the cooperating of switch 3, the two ends extreme position carries out spacing in the time of can moving piston.
Shown in Fig. 6,7: 32 is clamp body, and both sides are equipped with above-described main compression type cylinder structure 30 and auxilliary compression type cylinder structure 31 by bolting above clamp body 32.Main compression type cylinder structure 30 is three groups, two groups on right side, one group in left side and be positioned at the centre position (as Fig. 7) on two groups on right side.Auxilliary compression type cylinder structure 31 is two groups, on the left of being positioned at and the both sides of the main compression type cylinder structure 30 on the left of being distributed in.
The front end bolting that is positioned at every group of master's compressed oil cylinder structure 30 on clamp body 32 has back-up block 34.On clamp body 32, be distributed with a plurality of spring rise type supplemental support oil cylinders of selecting for use 33, front end at auxilliary compression type cylinder structure 31 is established supplemental support oil cylinder 33, on clamp body 32, also be distributed with a plurality of supplemental support oil cylinders 33, concrete distributing position is determined according to the shape of workpiece, but with the assurance strong point support is arranged all.
During work, earlier workpiece 15 is fallen and arrive back-up block 34 tops, main compression type cylinder structure 30 action clamping work pieces 15, spring rise this moment type supplemental support oil cylinder 33 is compressed to back-up block 34 isometry positions and with workpiece and fully contacts, supplemental support oil cylinder 33 supplies hydraulic oil and locking by the oil duct on hydraulic control device and the clamp body 32 35, play the effect of supporting workpiece 15, auxilliary compression type cylinder structure 31 action clamping work pieces 15 finally reach the state of being fixedly clamped.It is reliable to be active in one's movements, and the interlock order is easy, response is fast, and cramping is good, the strong point can be fully good contact with workpiece, on milling the pin processing work, during the plane, overcome the Workpiece vibration phenomenon, not fragile cutter, the machining accuracy and the cutter life of having improved surface of the work.
Claims (3)
1. a crankcase class workpiece milling fixture mechanism comprises clamp body (32), it is characterized in that: be installed with main compression type cylinder structure (30) and auxilliary compression type cylinder structure (31) in the both sides, top of clamp body (32); The front end that is positioned at main compressed oil cylinder structure (30) on clamp body (32) is provided with back-up block (34), is distributed with a plurality of spring rise type supplemental support oil cylinders (33) on clamp body (32); Described compression type cylinder structure comprises cylinder body (5), is positioned at the piston (7) of cylinder body (5) and the piston rod (19) that joins with piston (7); Promotion inclined-plane (17) is arranged at the right-hand member bottom of piston rod (19), promotes inclined-plane (17) and is positioned in the inner chamber of piston (7); The right-hand member of cylinder body (5) radially is equipped with bearing pin (13), bearing pin (13) inserts in the middle oblique slotted hole (14) of pressing plate (12), the left end of pressing plate (12) is positioned in the right part inner chamber of piston (7) and with the right-hand member of piston rod (19) and axially is connected, there is radial play the left part of pressing plate (12) in the inner chamber of piston (7), pressing plate (12) left end below leans chimb (24) and contacts with promotion inclined-plane (17); There is pressure surface (25) below, right part of pressing plate (12).
2. crankcase class workpiece milling fixture according to claim 1 mechanism, it is characterized in that: there is the hook platform (22) to the inside of symmetry the right-hand member both sides of described piston rod (19), and hook platform (22) articulates mutually with the step (26) of pressing plate (12) both sides, left part; Right-hand member head at piston rod (19) has piston rod stomidium (9), at the left end head of pressing plate (12) pressing plate stomidium (16) is arranged, and an end of axle spring (18) is positioned at piston rod stomidium (9), and the other end is positioned at pressing plate stomidium (16); In pressing plate (12) side, left part pressing plate radial hole (23) is arranged, radial spring (11) is positioned at pressing plate radial hole (23), pressure cap (10) inserts pressing plate radial hole (23) and is enclosed within on the radial spring (11), and the external end head of pressure cap (10) is leaned on the madial wall of piston (7) by the elastic force of radial spring (11).
3. crankcase class workpiece milling fixture according to claim 2 mechanism, it is characterized in that: the left end of described piston rod (19) extends the outside of cylinder body (5) and is connected to buting iron (21), goes up at cylinder body (5) to be fixed with first by support (2) and to match near switch (2) and buting iron (21) near switch (1) and second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100935782A CN102133656A (en) | 2011-04-14 | 2011-04-14 | Milling fixture mechanism for crankcase-like workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100935782A CN102133656A (en) | 2011-04-14 | 2011-04-14 | Milling fixture mechanism for crankcase-like workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102133656A true CN102133656A (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100935782A Pending CN102133656A (en) | 2011-04-14 | 2011-04-14 | Milling fixture mechanism for crankcase-like workpieces |
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| CN (1) | CN102133656A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072013A (en) * | 2012-09-25 | 2013-05-01 | 贵州西南工具(集团)有限公司 | Method and device for clamping slender tube part by hydraulic automatic positioning clamping fixture |
| CN103406773A (en) * | 2012-11-23 | 2013-11-27 | 嘉兴市宏丰机械有限公司 | High-efficiency crank case stator face machining clamp |
| CN103753319A (en) * | 2014-01-26 | 2014-04-30 | 浙江联宜电机股份有限公司 | Automatic machining tool of box machining center |
| CN105081810A (en) * | 2015-09-15 | 2015-11-25 | 沈阳飞机工业（集团）有限公司 | Multi-way high-precision porous part clamp and part machining method |
| CN105215713A (en) * | 2015-09-25 | 2016-01-06 | 重庆瀚方钢结构有限公司 | Portable platen clamp rig |
| CN107378531A (en) * | 2017-08-28 | 2017-11-24 | 安徽华旦机械制造有限公司 | A kind of auxiliary support mechanism suitable for crankcase processing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290721A (en) * | 1978-11-06 | 1981-09-22 | Fritz Knoll | Tool holder assembly for a portable power tool |
| US5865577A (en) * | 1996-06-14 | 1999-02-02 | Hyundai Motor Company | Clamping device for working an engine |
| CN201020615Y (en) * | 2007-02-28 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Automatic screw down device for engine box and assembly clamp |
| CN201291382Y (en) * | 2008-11-27 | 2009-08-19 | 江苏高精机电装备有限公司 | Large-range hydraulic self-locking clamping mechanism |
| CN201565792U (en) * | 2009-07-28 | 2010-09-01 | 哈尔滨东安华孚机械制造有限公司 | Novel pneumatic device for clamping and processing automobile engine clutch casing |
| CN201997786U (en) * | 2011-04-14 | 2011-10-05 | 大连机床集团有限责任公司 | Milling fixture mechanism for workpiece of crank cases |
-
2011
- 2011-04-14 CN CN2011100935782A patent/CN102133656A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290721A (en) * | 1978-11-06 | 1981-09-22 | Fritz Knoll | Tool holder assembly for a portable power tool |
| US5865577A (en) * | 1996-06-14 | 1999-02-02 | Hyundai Motor Company | Clamping device for working an engine |
| CN201020615Y (en) * | 2007-02-28 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Automatic screw down device for engine box and assembly clamp |
| CN201291382Y (en) * | 2008-11-27 | 2009-08-19 | 江苏高精机电装备有限公司 | Large-range hydraulic self-locking clamping mechanism |
| CN201565792U (en) * | 2009-07-28 | 2010-09-01 | 哈尔滨东安华孚机械制造有限公司 | Novel pneumatic device for clamping and processing automobile engine clutch casing |
| CN201997786U (en) * | 2011-04-14 | 2011-10-05 | 大连机床集团有限责任公司 | Milling fixture mechanism for workpiece of crank cases |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072013A (en) * | 2012-09-25 | 2013-05-01 | 贵州西南工具(集团)有限公司 | Method and device for clamping slender tube part by hydraulic automatic positioning clamping fixture |
| CN103072013B (en) * | 2012-09-25 | 2015-07-29 | 贵州西南工具(集团)有限公司 | The method of fluid pressure type automatic locating clip clamper clamping elongated pipe parts and device |
| CN103406773A (en) * | 2012-11-23 | 2013-11-27 | 嘉兴市宏丰机械有限公司 | High-efficiency crank case stator face machining clamp |
| CN103753319A (en) * | 2014-01-26 | 2014-04-30 | 浙江联宜电机股份有限公司 | Automatic machining tool of box machining center |
| CN105081810A (en) * | 2015-09-15 | 2015-11-25 | 沈阳飞机工业（集团）有限公司 | Multi-way high-precision porous part clamp and part machining method |
| CN105215713A (en) * | 2015-09-25 | 2016-01-06 | 重庆瀚方钢结构有限公司 | Portable platen clamp rig |
| CN107378531A (en) * | 2017-08-28 | 2017-11-24 | 安徽华旦机械制造有限公司 | A kind of auxiliary support mechanism suitable for crankcase processing |
| CN107378531B (en) * | 2017-08-28 | 2023-05-23 | 安徽华旦机械制造有限公司 | Auxiliary supporting mechanism suitable for crankcase processing |
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Application publication date: 20110727 |