CN105750577A - Inward clamping floating clamp for bearing ring turning - Google Patents
Inward clamping floating clamp for bearing ring turning Download PDFInfo
- Publication number
- CN105750577A CN105750577A CN201610250715.1A CN201610250715A CN105750577A CN 105750577 A CN105750577 A CN 105750577A CN 201610250715 A CN201610250715 A CN 201610250715A CN 105750577 A CN105750577 A CN 105750577A
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- CN
- China
- Prior art keywords
- hole
- holder
- positioning seat
- forms
- pin
- 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
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16233—Jaws movement actuated by oblique surfaces of a coaxial control rod
- B23B31/16254—Jaws movement actuated by oblique surfaces of a coaxial control rod using fluid-pressure means to actuate the gripping means
- B23B31/16258—Jaws movement actuated by oblique surfaces of a coaxial control rod using fluid-pressure means to actuate the gripping means using mechanical transmission through the spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses an inward clamping floating clamp for bearing ring turning. The floating clamp comprises a transition disc fixedly connected to a machine tool main shaft, a shell is connected to the transition disc, a conical face which is wide outside and narrow inside is formed on the inner wall at one end of the shell, a clamping base fixing plate is connected to the inner wall of the shell in a sliding mode, and a middle pull rod connected with a machine tool piston rod penetrates through a middle pull rod penetrating hole; a clamping base matching circular bead on the periphery of the clamping base fixing plate is sleeved with a clamping base, and the clamping base fixing plate is tightly and fixedly sleeved with the clamping base through a fixing spring; a driven conical face connected with the conical face in a slide fit mode is formed on the outer wall of the end, away from the clamping base fixing plate, of the clamping base; a clamping claw base is connected to the clamping base, and clamping claws are connected to the clamping claw base; a positioning base is connected to the transition disc and connected with a positioning ring. The inward clamping floating clamp is simple in structure, convenient to adjust and capable of adapting to blanks with a large scattering difference ratio, ovality and conicity, and the requirement for blank quality is low.
Description
Technical field
The invention belongs to bearing ring process equipment field, be specifically related to a kind of bearing ring turning inner clamping type floating clamp.
Background technology
The inner clamping type fixture jaw body that tradition uses is all fixed, and during turning bearing ring, the requirement of blank is higher, if blank dimension scattered error is relatively larger, oval and tapering is big, the product that turning goes out is difficult to meet technological requirement.
Summary of the invention
The technical problem to be solved is: the deficiency existed for prior art, it is provided that a kind of simple in construction, debugging are conveniently, processing is simple, it is relatively larger, oval to be adapted to scattered error and the bearing ring turning inner clamping type floating clamp of the bigger blank of tapering.
For realizing the purpose of the present invention, it is achieved by the following technical solutions: a kind of bearing ring turning inner clamping type floating clamp, include the transition disc being fixedly connected on machine tool chief axis, the periphery, one end differing from machine tool chief axis on transition disc is fixedly connected with the housing of a circular tube shaped, and described housing forms the conical surface wide outside and narrow inside away from one end inwall of transition disc;
The inwall of described housing slidably connects the fixing plate of a holder, and the fixing plate intermediary form of holder has middle pull bar to bore a hole, and is equipped with a middle pull bar being connected with lathe piston rod in the perforation of middle pull bar;The fixing plate of described holder has middle pull bar to coordinate step away from the intermediary form of transition disc one end, the fixing plate periphery of described holder forms the housing being slidably matched with inner walls and coordinates shoulder near one end of transition disc, and the fixing plate periphery of described holder forms holder cooperation shoulder away from one end of transition disc;
Described transition disc intermediary form has the central hole of pull bar traverse in confession;
Being arranged with one group of holder on the holder cooperation shoulder of the fixing plate periphery of described holder, described holder is fastened on the fixing plate of holder by fixing spring housing;
Described holder is circumferentially made up of the clamping plate that 6 structures are identical, and described holder inwall forms the locating groove coordinating shoulder to coordinate location with described holder, and described holder outer wall forms the spring card slot for installing described fixing spring;Described holder forms, away from one end outer wall of the fixing plate of holder, the driven conical surface being slidably connected with described cone match;
On described holder, the one end near the driven conical surface is fixedly connected with master jaw, and described master jaw is fixedly connected with claw;
Supporting pin by positioning seat on described transition disc and be connected to a positioning seat, described positioning seat is fixedly connected with locating ring near one end of jaw.
Preferably: one end of described transition disc form be connected with machine tool chief axis coordinate concave station b, the other end of described transition disc form be connected with described housing coordinate concave station a;Also forming 6 counterbore a, 6 counterbore b and 3 screwed hole a on described transition disc, described counterbore a is fixedly connected with the casing by screw, and described counterbore b is connected with transition disc by screw, and described positioning seat supports pin one end and threadeds with described screw hole a;
Described positioning seat supports pin one end and forms and the described screwed hole a transition disc being connected connection screw rod, the other end of positioning seat support pin forms the positioning seat connecting screw hole being connected with positioning seat, and positioning seat support pin forms the spanner cooperation step that spanner easy to use is tightened or unclamped positioning seat support pin near the position of positioning seat connecting screw hole.
Preferably: described housing forms and described screwed hole b corresponding for counterbore a away from one end of the conical surface;Described housing sidewall forms to alleviate the lightening hole of case weight.
Preferably: the position that on the fixing plate of described holder, corresponding positioning seat supports pin form for positioning seat support pin through the perforation of support pin.
Preferably: each clamping plate of described holder form two jaw seat connecting screw holes near one end of the driven conical surface, on each clamping plate, the position between two connecting screw holes forms a pin-and-hole a.
Preferably: the intermediary form of described positioning seat has hole, locating ring location, positioning seat also forms the locating ring connecting screw hole supporting pin connection counterbore and more than 2 groups, often organize locating ring connecting screw hole and include 3 along the circumferentially equidistant setting of positioning seat, support pin connection counterbore and be connected by screw is fixing with the positioning seat connecting screw hole on positioning seat support pin.
Preferably: one end intermediary form of described locating ring has the positioning head being connected with hole, locating ring location;The other end periphery of described locating ring forms 3 locating dowels, and described locating ring periphery part between adjacent two locating dowels is plane.
Preferably: position corresponding with jaw seat connecting screw hole on described master jaw forms holder and connects counterbore, it is connected by screw is fixing between holder connection counterbore and jaw seat connecting screw hole;On described jaw seat, the position corresponding with pin-and-hole a forms pin-and-hole b and the internal diameter that the internal diameter of pin-and-hole b is less than pin-and-hole a, is plugged with alignment pin between pin-and-hole a and pin-and-hole b;Described jaw seat forms claw near the position of holder connection counterbore and connects screwed hole.
Preferably: described claw is curved, claw forming cylindrical hole, cylindrical hole is connected screwed hole by screw and connects with described claw, is inserted with support set in described cylindrical hole, and the position pad that described cylindrical hole is connected between screwed hole with claw is provided with O;Described claw sidewall is the clamping face of dentation.
Compared with prior art, the invention has the beneficial effects as follows: present configuration is simple, debugging is convenient, processing is simple, be adapted to the blank that scattered error is relatively larger, oval and tapering is bigger, and the prescription of blank is relatively low.Solving existing inner clamping type chuck the requirement of blank is higher, if blank dimension scattered error is relatively larger, oval and tapering is big, the product that turning goes out is difficult to meet the problem of technological requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural representation of transition disc.
Fig. 4 is the right view of Fig. 3.
Fig. 5 is the structural representation of housing.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the structural representation of the fixing plate of holder.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the structural representation that positioning seat supports pin.
Figure 10 is the structural representation of holder.
Figure 11 is the right view of Figure 10.
Figure 12 is the structural representation of positioning seat.
Figure 13 is the right view of Figure 12.
Figure 14 is the structural representation of locating ring.
Figure 15 is the right view of Figure 14.
Figure 16 is the structural representation of master jaw.
Figure 17 is the sectional structure schematic diagram of master jaw.
Figure 18 is the structural representation of claw.
1, machine tool chief axis;
2, transition disc;20, central hole;21, concave station a is coordinated;22, counterbore a;23, counterbore b;24, concave station b is coordinated;25, screwed hole a;
3, housing;31, the conical surface;32, lightening hole;33, screwed hole b;
4, the fixing plate of holder;41, holder coordinates shoulder;42, housing coordinates shoulder;43, middle pull bar coordinate step, 44, middle pull bar perforation, 45, support pin perforation;
5, middle pull bar;
6, positioning seat supports pin;61, positioning seat connecting screw hole;62, spanner coordinates step;63, transition disc connects screw rod;
7, fixing spring;
8, holder;81, master jaw connecting screw hole;82, the driven conical surface;83, locating groove;84, spring card slot;85, pin-and-hole a;
9, positioning seat;91, locating ring connecting screw hole, 92, support pin connect counterbore, 93, locating ring location hole;
10, locating ring;101, locating dowel;102, positioning seat connects counterbore;103, positioning head;
11, master jaw;111, holder connects counterbore;112, pin-and-hole b;113, claw connects screwed hole;
12, O;
13, claw;131, cylindrical hole;132, clamping face;14, support set;15, alignment pin.
Detailed description of the invention
Below according to accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1
According to Fig. 1 and Figure 18, a kind of bearing ring turning inner clamping type floating clamp described in the present embodiment, include the transition disc 2 being fixedly connected on machine tool chief axis 1, the periphery, one end differing from machine tool chief axis on transition disc is fixedly connected with the housing 3 of a circular tube shaped, and described housing forms the conical surface 31 wide outside and narrow inside away from one end inwall of transition disc.
The inwall of described housing slidably connects the fixing plate 4 of a holder, and the fixing plate intermediary form of holder has middle pull bar perforation 44, is equipped with a middle pull bar 5 being connected with lathe piston rod in the perforation of middle pull bar;The fixing plate of described holder has middle pull bar to coordinate step 43 away from the intermediary form of transition disc one end, the fixing plate periphery of described holder forms the housing being slidably matched with inner walls and coordinates shoulder 42 near one end of transition disc, and the fixing plate periphery of described holder forms holder cooperation shoulder 41. away from one end of transition disc
Described transition disc intermediary form has the central hole 20 of pull bar traverse in confession.
Being arranged with one group of holder 8 on the holder cooperation shoulder of the fixing plate periphery of described holder, described holder is locked by fixing spring 7 and is fixed on the fixing plate of holder.
Described holder is circumferentially made up of the clamping plate that 6 structures are identical, and described holder inwall forms the locating groove 83 coordinating shoulder to coordinate location with described holder, and described holder outer wall forms the spring card slot 84 for installing described fixing spring;Described holder forms, away from one end outer wall of the fixing plate of holder, the driven conical surface 82 being slidably connected with described cone match.
On described holder, the one end near the driven conical surface is fixedly connected with master jaw 11, and described master jaw is fixedly connected with claw 13.
Supporting pin by positioning seat on described transition disc and be connected to a positioning seat 9, described positioning seat is fixedly connected with locating ring 10 near one end of jaw.
One end of described transition disc 2 form be connected with machine tool chief axis coordinate concave station b24, the other end of described transition disc form be connected with described housing coordinate concave station a21;Described transition disc also forms 6 counterbore a22,6 counterbore b23 and 3 screwed hole a25, described counterbore a is connected by screw is fixing with housing 3, described counterbore b is connected with transition disc by screw, and described positioning seat supports pin one end and threadeds with described screw hole a;Described positioning seat supports pin one end and forms and the described screwed hole a transition disc being connected connection screw rod 63, positioning seat supports the other end of pin and forms the positioning seat connecting screw hole 61 being connected with positioning seat, and positioning seat support pin forms the spanner cooperation step 62 that spanner easy to use is tightened or unclamped positioning seat support pin near the position of positioning seat connecting screw hole, spanner coordinates step to be one group of parallel wall surface.
Described housing forms and described screwed hole b33 corresponding for counterbore a away from one end of the conical surface;Described housing sidewall forms to alleviate the lightening hole 32 of case weight.
The position that on the fixing plate of described holder, corresponding positioning seat supports pin form for positioning seat support pin through support pin perforation 45.
Each clamping plate of described holder form two jaw seat connecting screw holes 81 near one end of the driven conical surface, and on each clamping plate, the position between two connecting screw holes forms a pin-and-hole a85.
The intermediary form of described positioning seat 9 has hole 93, locating ring location, positioning seat also forms the locating ring connecting screw hole 91 supporting pin connection counterbore 92 and more than 2 groups, often organize locating ring connecting screw hole and include 3 along the circumferentially equidistant setting of positioning seat, support pin connection counterbore and be connected by screw is fixing with the positioning seat connecting screw hole on positioning seat support pin.
One end intermediary form of described locating ring 10 has the positioning head 103 being connected with hole, locating ring location;The other end periphery of described locating ring forms 3 locating dowels 101, and described locating ring periphery part between adjacent two locating dowels is plane;Forming the positioning seat corresponding with locating ring connecting screw hole position on described locating ring and connect counterbore 102, positioning seat connects counterbore and is connected by screw with locating ring connecting screw hole.
Position corresponding with jaw seat connecting screw hole on described master jaw 11 forms holder and connects counterbore 111, and holder connects and is connected by screw is fixing between counterbore and jaw seat connecting screw hole;On described jaw seat, the position corresponding with pin-and-hole a forms pin-and-hole b112 and the internal diameter that the internal diameter of pin-and-hole b is less than pin-and-hole a, is plugged with alignment pin 15 between pin-and-hole a and pin-and-hole b;Described jaw seat forms claw near the position of holder connection counterbore and connects screwed hole 113.
Described claw is curved, and claw forms cylindrical hole 131, and cylindrical hole is connected screwed hole by screw and connects with described claw, is inserted with support set 14 in described cylindrical hole, and the position pad that described cylindrical hole is connected between screwed hole with claw is provided with O 12;Described claw sidewall is the clamping face 132 of dentation.
During use, first transition disc and housing are coupled together, then transition disc is fixed on lathe together with housing, then fixing for root spring is installed in the spring card slot of holder, then holder is installed on the fixing plate of holder, then fixing for holder plate is matched with housing, then middle pull bar is connected on lathe piston rod, then positioning seat is supported pin and be connected on transition disc, then positioning seat is connected to positioning seat and supports on pin, then fixing for claw seat alignment pin is installed on holder, and it is bolted on holder, in six pieces of claws, load resilient, elastomeric and support set and with six screws, claw is all connected on master jaw, then locating ring is connected on positioning seat.Such inner clamping type floating clamp installation, after having debugged concentricity, it is possible to processing lasso.Adding man-hour, first workpiece P is put on claw, then steps on bucket cylinder pedal, make piston rod band disorder of internal organs pull bar, middle pull bar drives the fixing plate of holder internal mobile to lathe, so makes claw reduce clamping collar external diameter by the relative sliding of the conical surface Yu the driven conical surface.
In sum, being only the preferred embodiments of the invention, do not limit protection scope of the present invention with this, all equivalences made according to the scope of the claims of the present invention and description change and modify, and are all within the scope that patent of the present invention contains.
Claims (9)
1. a bearing ring turning inner clamping type floating clamp, it is characterized in that: include the transition disc being fixedly connected on machine tool chief axis, the periphery, one end differing from machine tool chief axis on transition disc is fixedly connected with the housing of a circular tube shaped, and described housing forms the conical surface wide outside and narrow inside away from one end inwall of transition disc;
The inwall of described housing slidably connects the fixing plate of a holder, and the fixing plate intermediary form of holder has middle pull bar to bore a hole, and is equipped with a middle pull bar being connected with lathe piston rod in the perforation of middle pull bar;The fixing plate of described holder has middle pull bar to coordinate step away from the intermediary form of transition disc one end, the fixing plate periphery of described holder forms the housing being slidably matched with inner walls and coordinates shoulder near one end of transition disc, and the fixing plate periphery of described holder forms holder cooperation shoulder away from one end of transition disc;
Described transition disc intermediary form has the central hole of pull bar traverse in confession;
Being arranged with one group of holder on the holder cooperation shoulder of the fixing plate periphery of described holder, described holder is fastened on the fixing plate of holder by fixing spring housing;
Described holder is circumferentially made up of the clamping plate that 6 structures are identical, and described holder inwall forms the locating groove coordinating shoulder to coordinate location with described holder, and described holder outer wall forms the spring card slot for installing described fixing spring;Described holder forms, away from one end outer wall of the fixing plate of holder, the driven conical surface being slidably connected with described cone match;
On described holder, the one end near the driven conical surface is fixedly connected with master jaw, and described master jaw is fixedly connected with claw;
Supporting pin by positioning seat on described transition disc and be connected to a positioning seat, described positioning seat is fixedly connected with locating ring near one end of jaw.
2. a kind of bearing ring turning inner clamping type floating clamp according to claim 1, it is characterized in that: one end of described transition disc form be connected with machine tool chief axis coordinate concave station b, the other end of described transition disc form be connected with described housing coordinate concave station a;Also forming 6 counterbore a, 6 counterbore b and 3 screwed hole a on described transition disc, described counterbore a is fixedly connected with the casing by screw, and described counterbore b is connected with transition disc by screw, and described positioning seat supports pin one end and threadeds with described screw hole a;
Described positioning seat supports pin one end and forms and the described screwed hole a transition disc being connected connection screw rod, the other end of positioning seat support pin forms the positioning seat connecting screw hole being connected with positioning seat, and positioning seat support pin forms the spanner cooperation step that spanner easy to use is tightened or unclamped positioning seat support pin near the position of positioning seat connecting screw hole.
3. a kind of bearing ring turning inner clamping type floating clamp according to claim 2, it is characterised in that: described housing forms and described screwed hole b corresponding for counterbore a away from one end of the conical surface;Described housing sidewall forms to alleviate the lightening hole of case weight.
4. a kind of bearing ring turning inner clamping type floating clamp according to claim 1, it is characterised in that: the position that on the fixing plate of described holder, corresponding positioning seat supports pin form for positioning seat support pin through the perforation of support pin.
5. a kind of bearing ring turning inner clamping type floating clamp according to claim 1, it is characterized in that: each clamping plate of described holder form two jaw seat connecting screw holes near one end of the driven conical surface, on each clamping plate, the position between two connecting screw holes forms a pin-and-hole a.
6. a kind of bearing ring turning inner clamping type floating clamp according to claim 2, it is characterized in that: the intermediary form of described positioning seat has hole, locating ring location, positioning seat also forms the locating ring connecting screw hole supporting pin connection counterbore and more than 2 groups, often organize locating ring connecting screw hole and include 3 along the circumferentially equidistant setting of positioning seat, support pin connection counterbore and be connected by screw is fixing with the positioning seat connecting screw hole on positioning seat support pin.
7. a kind of bearing ring turning inner clamping type floating clamp according to claim 6, it is characterised in that: one end intermediary form of described locating ring has the positioning head being connected with hole, locating ring location;The other end periphery of described locating ring forms 3 locating dowels, and described locating ring periphery part between adjacent two locating dowels is plane.
8. a kind of bearing ring turning inner clamping type floating clamp according to claim 5, it is characterized in that: position corresponding with jaw seat connecting screw hole on described master jaw forms holder and connects counterbore, holder connects and is connected by screw is fixing between counterbore and jaw seat connecting screw hole;On described jaw seat, the position corresponding with pin-and-hole a forms pin-and-hole b and the internal diameter that the internal diameter of pin-and-hole b is less than pin-and-hole a, is plugged with alignment pin between pin-and-hole a and pin-and-hole b;Described jaw seat forms claw near the position of holder connection counterbore and connects screwed hole.
9. a kind of bearing ring turning inner clamping type floating clamp according to claim 8, it is characterized in that: described claw is curved, claw forms cylindrical hole, cylindrical hole is connected screwed hole by screw and connects with described claw, being inserted with support set in described cylindrical hole, the position pad that described cylindrical hole is connected between screwed hole with claw is provided with O;Described claw sidewall is the clamping face of dentation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610250715.1A CN105750577B (en) | 2016-04-21 | 2016-04-21 | A kind of bearing ring turning inner clamping type floating clamp |
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CN201610250715.1A CN105750577B (en) | 2016-04-21 | 2016-04-21 | A kind of bearing ring turning inner clamping type floating clamp |
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CN105750577A true CN105750577A (en) | 2016-07-13 |
CN105750577B CN105750577B (en) | 2018-03-06 |
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CN201610250715.1A Active CN105750577B (en) | 2016-04-21 | 2016-04-21 | A kind of bearing ring turning inner clamping type floating clamp |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106695392A (en) * | 2017-03-10 | 2017-05-24 | 于浩 | Spring clamp for machining bearing outer ring |
CN110421484A (en) * | 2019-07-31 | 2019-11-08 | 沈阳建筑大学 | A kind of pneumatic inner support clamping device for processing ceramic bearing ring interior raceway groove |
CN111730501A (en) * | 2020-06-19 | 2020-10-02 | 南京晨光集团有限责任公司 | Processing device for precise micropore flow calibration |
CN112427985A (en) * | 2020-12-08 | 2021-03-02 | 哈尔滨轴承集团公司 | Eccentric bearing turning clamp device |
CN112719976A (en) * | 2020-12-22 | 2021-04-30 | 中船重工龙江广瀚燃气轮机有限公司 | Thin-wall part turning clamping device |
Citations (6)
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JPS61152306A (en) * | 1984-12-25 | 1986-07-11 | Toyoda Mach Works Ltd | Eccentric chuck device for crankshaft |
CN86105360A (en) * | 1986-08-29 | 1988-03-09 | 架夹盘公司 | Fast change top jaw system |
US20110057397A1 (en) * | 2009-09-10 | 2011-03-10 | Schenck Rotec Gmbh | Chuck with jaws moved radially outwardly for clamping |
CN202461575U (en) * | 2011-10-31 | 2012-10-03 | 吴朱刚 | Novel chuck |
CN202779871U (en) * | 2012-07-23 | 2013-03-13 | 山东省宇捷轴承制造有限公司 | Fixture |
CN205551509U (en) * | 2016-04-21 | 2016-09-07 | 浙江天马轴承有限公司 | Unsteady anchor clamps of formula of pressing from both sides in bearing ring turning |
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2016
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61152306A (en) * | 1984-12-25 | 1986-07-11 | Toyoda Mach Works Ltd | Eccentric chuck device for crankshaft |
CN86105360A (en) * | 1986-08-29 | 1988-03-09 | 架夹盘公司 | Fast change top jaw system |
US20110057397A1 (en) * | 2009-09-10 | 2011-03-10 | Schenck Rotec Gmbh | Chuck with jaws moved radially outwardly for clamping |
CN202461575U (en) * | 2011-10-31 | 2012-10-03 | 吴朱刚 | Novel chuck |
CN202779871U (en) * | 2012-07-23 | 2013-03-13 | 山东省宇捷轴承制造有限公司 | Fixture |
CN205551509U (en) * | 2016-04-21 | 2016-09-07 | 浙江天马轴承有限公司 | Unsteady anchor clamps of formula of pressing from both sides in bearing ring turning |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106695392A (en) * | 2017-03-10 | 2017-05-24 | 于浩 | Spring clamp for machining bearing outer ring |
CN110421484A (en) * | 2019-07-31 | 2019-11-08 | 沈阳建筑大学 | A kind of pneumatic inner support clamping device for processing ceramic bearing ring interior raceway groove |
CN111730501A (en) * | 2020-06-19 | 2020-10-02 | 南京晨光集团有限责任公司 | Processing device for precise micropore flow calibration |
CN111730501B (en) * | 2020-06-19 | 2021-05-04 | 南京晨光集团有限责任公司 | Processing device for precise micropore flow calibration |
CN112427985A (en) * | 2020-12-08 | 2021-03-02 | 哈尔滨轴承集团公司 | Eccentric bearing turning clamp device |
CN112719976A (en) * | 2020-12-22 | 2021-04-30 | 中船重工龙江广瀚燃气轮机有限公司 | Thin-wall part turning clamping device |
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Address after: 313200 8 Canal Road, Lin Hang industrial area, Lei Dian Town, Deqing County, Huzhou, Zhejiang Patentee after: ZHEJIANG TIANMA BEARING GROUP Co.,Ltd. Address before: 313200 8 Canal Road, Lin Hang industrial area, Lei Dian Town, Deqing County, Huzhou, Zhejiang Patentee before: ZHEJIANG TIANMA BEARING Co.,Ltd. |
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