CN203956547U - A kind of hydraulic clamp - Google Patents

A kind of hydraulic clamp Download PDF

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Publication number
CN203956547U
CN203956547U CN201420367421.3U CN201420367421U CN203956547U CN 203956547 U CN203956547 U CN 203956547U CN 201420367421 U CN201420367421 U CN 201420367421U CN 203956547 U CN203956547 U CN 203956547U
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CN
China
Prior art keywords
seat
clamping fixture
sleeve
gripping sleeve
hole
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CN201420367421.3U
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Chinese (zh)
Inventor
辛厚谊
王其宏
汤焕业
宋晓梅
赵健
王中
孙晴
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ZHENJIANG FEIYA BEARING CO Ltd
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ZHENJIANG FEIYA BEARING CO Ltd
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Priority to CN201420367421.3U priority Critical patent/CN203956547U/en
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Abstract

The utility model discloses a kind of hydraulic clamp, comprise clamping fixture seat, internal overarm support, positioning sleeve, gripping sleeve; Gripping sleeve is movably arranged on the end face of clamping fixture seat, and positioning sleeve covers gripping sleeve and is fixedly installed on the end face of clamping fixture seat, internal overarm support be through in the endoporus of clamping fixture seat and with gripping sleeve movable contact; Clamping fixture seat is disc-like step parts, clamping fixture seat is located by connecting by its positioning spigot two and the spindle flange seat of lathe, internal overarm support is axial workpiece, internal overarm support is connected with the hydraulic mandril of lathe, gripping sleeve is disk shell part, gripping sleeve is connected with clamping fixture seat, and positioning sleeve is disk shell part, and positioning sleeve is fixedly connected with clamping fixture seat by several bolts; The utility model clamping is reliable, clamping efficiency is high, versatility is high, easy to use and saving fixture cost.

Description

A kind of hydraulic clamp
Technical field
The utility model relates to a kind of clamping device, especially relates to a kind of hydraulic clamp, belongs to mechanical equipment technical field.
Background technology
At present, have a lot of housing disk part by performings need to process its cylindrical and endoporus, because cylindrical and endoporus are the conical surface, and axiality between them requires very high.Due to thin-walled, so processing needs to control its deflection, this class part has proposed very high requirement to clamping device, and for large batch of production, working (machining) efficiency is also a problem.
Summary of the invention
The purpose of this utility model is to provide a kind of hydraulic clamp, adopt effectively controlling dimension precision of this device, and production efficiency is high.
The utility model is achieved by the following technical programs:
A kind of hydraulic clamp, comprises clamping fixture seat, internal overarm support, positioning sleeve, gripping sleeve; Gripping sleeve is movably arranged on the end face of clamping fixture seat, and positioning sleeve covers gripping sleeve and is fixedly installed on the end face of clamping fixture seat, internal overarm support be through in the endoporus of clamping fixture seat and with gripping sleeve movable contact;
Clamping fixture seat is disc-like step parts, and the cylindrical of the small end of clamping fixture seat is provided with external screw thread, and the end face of small end is provided with through hole two; The end face of the large end of clamping fixture seat is provided with positioning spigot two, between positioning spigot two and through hole two, is provided with through hole five, between the large end of clamping fixture seat and small end, is provided with positioning spigot one, is provided with several through holes one and several retaining threads hole at the end face of positioning spigot one; Clamping fixture seat is located by connecting by its positioning spigot two and the spindle flange seat of lathe, and is fixedly connected with the spindle flange seat of lathe through several through holes one by several bolts;
Internal overarm support is axial workpiece, is provided with a tapped blind hole at an end face of internal overarm support, and the cylindrical of the other end is provided with taper seat one; Internal overarm support is connected by the external screw thread of the tapped blind hole of its one end and the hydraulic mandril of lathe, and the other end passes positioning spigot two, through hole five, the through hole two of clamping fixture seat, and exposes the end face of the small end of clamping fixture seat;
Gripping sleeve is disk shell part, and the endoporus of the large end of gripping sleeve is provided with internal thread; The cylindrical of the small end of gripping sleeve is provided with taper seat three, the endoporus of the small end of gripping sleeve is provided with taper seat five, the large end of gripping sleeve and small end are connected to form a shell part by taper seat four transition, uniform several subdivision grooves on the conical surface of taper seat four and taper seat three, taper seat four and taper seat three are divided into several lobes by subdivision groove; Gripping sleeve is connected by the external screw thread of the internal thread of its large end and the small end of clamping fixture seat, the taper seat one of internal overarm support and taper seat five movable contacts of gripping sleeve;
Positioning sleeve is disk shell part, and the large end of positioning sleeve is flange seat, is provided with the several through holes three that match with the retaining thread hole of clamping fixture seat on flange seat, and the endoporus of the large end of positioning sleeve is also provided with through hole five; The endoporus of the small end of positioning sleeve is provided with through hole four; The large end of positioning sleeve and small end are connected to form a shell part by taper seat two transition; Positioning sleeve is arranged on by its through hole five on the positioning spigot one of clamping fixture seat, the end face of the end face laminating positioning spigot one of the large end of positioning sleeve, and positioning sleeve is fixedly connected with the retaining thread hole of clamping fixture seat through through hole three by several bolts.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid a kind of hydraulic clamp, the tapering of the taper seat one of internal overarm support is slightly less than the tapering of the taper seat five of gripping sleeve; The end of the taper seat one of internal overarm support is arranged on the small end inside of gripping sleeve.
Aforesaid a kind of hydraulic clamp, the end face of the small end of gripping sleeve protrudes from the end face of the small end of positioning sleeve, and the length of protrusion should exceed the axial length of the taper seat three of gripping sleeve; The length of subdivision groove be greater than gripping sleeve length 2/3 but be less than the overall length of gripping sleeve.
Aforesaid a kind of hydraulic clamp, the slightly larger in diameter of through hole four is in the end diameter of gripping sleeve.
The utility model props up the inner conical surface of part by gripping sleeve, and then the male cone (strobilus masculinus) of processing parts, and the taper seat three of gripping sleeve props up the inner conical surface of part completely, and clamping is reliable, and enough rigidity are provided, and therefore can control the deflection of part process completely; , there is the clamping time in clamping parts upper and lower fixture again, therefore can obviously save manually hardly, improves working (machining) efficiency; The hydraulic clamp power of hydraulic clamp is directly provided by machine tool hydraulic system, does not need other attachment devices, and versatility is high, easy to use and save fixture cost.
Advantage and disadvantage of the present utility model, by for illustration and explanation the non-limitative illustration by preferred embodiment below, these embodiment, only provide as an example with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the front view of hydraulic clamp of the present utility model;
Fig. 2 is the front view of the clamping fixture seat of hydraulic clamp of the present utility model;
Fig. 3 is the front view of the internal overarm support of hydraulic clamp of the present utility model;
Fig. 4 is the front view of the gripping sleeve of hydraulic clamp of the present utility model;
Fig. 5 is the right view of the gripping sleeve of hydraulic clamp of the present utility model;
Fig. 6 is the front view of the positioning sleeve of hydraulic clamp of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, hydraulic clamp 2 comprises clamping fixture seat 21, internal overarm support 22, positioning sleeve 23, gripping sleeve 24; Gripping sleeve 24 is movably arranged on the end face of clamping fixture seat 21, and positioning sleeve 23 covers gripping sleeve 24 and is fixedly installed on the end face of clamping fixture seat 21, internal overarm support 22 be through in the endoporus of clamping fixture seat 21 and with gripping sleeve 24 movable contacts.
As shown in Figure 2, clamping fixture seat 21 is disc-like step parts, and the cylindrical of the small end 212 of clamping fixture seat 21 is provided with external screw thread 2122, and the end face of small end 212 is provided with through hole 2 2121; The end face of the large end 211 of clamping fixture seat 21 is provided with positioning spigot 2 214, between positioning spigot 2 214 and through hole 2 2121, be provided with through hole 5 215, between the large end 211 of clamping fixture seat 21 and small end 212, be provided with positioning spigot 1, be provided with several through holes 1 and several retaining threads hole 2112 at the end face 2131 of positioning spigot 1; As shown in Figure 1, clamping fixture seat 21 is located by connecting by its positioning spigot 2 214 and the spindle flange seat 3 of lathe, and is fixedly connected with the spindle flange seat 3 of lathe through several through holes 1 by several bolts.
As shown in Figure 3, internal overarm support 22 is axial workpiece, is provided with a tapped blind hole 221 in the left side of internal overarm support 22, and the cylindrical of right-hand member is provided with taper seat 1; Internal overarm support 22 is connected by the external screw thread 41 of the tapped blind hole 221 of its left side and the hydraulic mandril 4 of lathe, and right-hand member passes positioning spigot 2 214, through hole 5 215, the through hole 2 2121 of clamping fixture seat 21, and exposes the end face of the small end 212 of clamping fixture seat 21;
As shown in Figure 4, Figure 5, gripping sleeve 24 is disk shell part, and the endoporus of the large end 241 of gripping sleeve 24 is provided with internal thread 2411; The cylindrical of the small end 242 of gripping sleeve 24 is provided with taper seat 3 2421, the endoporus of the small end 242 of gripping sleeve 24 is provided with taper seat 5 2422, the large end 241 of gripping sleeve 24 and small end 242 are connected to form a shell part by taper seat 4 243 transition, uniform three subdivision grooves 2431 on the conical surface of taper seat 4 243 and taper seat 3 2421, taper seat 4 243 and taper seat 3 2421 are divided into three lobes by subdivision groove 2431; Gripping sleeve 24 is connected by the external screw thread 2122 of the internal thread 2411 of its large end 241 and the small end 212 of clamping fixture seat 21, the taper seat 1 of internal overarm support 22 and taper seat 5 2422 movable contacts of gripping sleeve 24;
As shown in Figure 6, positioning sleeve 23 is disk shell part, the large end 231 of positioning sleeve 23 is flange seat, is provided with the several through holes 3 2311 that match with the retaining thread hole 2112 of clamping fixture seat 21 on flange seat, and the endoporus of the large end 231 of positioning sleeve 23 is also provided with through hole 5 2312; The endoporus of the small end 232 of positioning sleeve 23 is provided with through hole 4 2321; The large end 231 of positioning sleeve 23 and small end 232 are connected to form a shell part by taper seat 2 233 transition; Positioning sleeve 23 is arranged on by its through hole 5 2312 on the positioning spigot 1 of clamping fixture seat 21, the end face 2131 of the end face laminating positioning spigot 1 of the large end 231 of positioning sleeve 23, positioning sleeve 23 is fixedly connected with the retaining thread hole 2112 of clamping fixture seat 21 through through hole 3 2311 by several bolts.
The tapering of the taper seat 1 of internal overarm support 22 is slightly less than the tapering of the taper seat 5 2422 of gripping sleeve 24; The end of the taper seat 1 of internal overarm support 22 is arranged on small end 242 inside of gripping sleeve 24.The end face of the small end 242 of gripping sleeve 24 protrudes from the end face of the small end 232 of positioning sleeve 23, and the length of protrusion should exceed the axial length of the taper seat 3 2421 of gripping sleeve 24; The length of subdivision groove 2431 be greater than gripping sleeve 24 length 2/3 but be less than the overall length of gripping sleeve 24.The slightly larger in diameter of through hole 4 2321 is in small end 242 diameters of gripping sleeve 24.
Start machine tool hydraulic system, make the hydraulic mandril 4 of lathe drive internal overarm support 22 to move right, have elasticity because subdivision groove 2431 makes the face of cylinder 5 2422 of gripping sleeve 24, the taper seat 1 of internal overarm support 22 withstands taper seat 5 2422 and opens, the inner conical surface 12 of taper seat 5 2422 stretching parts 1; Because the tapering of the inner conical surface 12 of part 1 is all smaller, generally 7 ° of left and right, maximum is no more than 10 °, now under the frictional force effect of taper seat 5 2422, the inner conical surface 12 of part 1 can not come off, and the left end end face of the inner conical surface 12 of part 1 is fitted on the end face of small end 232 of positioning sleeve 23 simultaneously.Start the lathe base of tool, by the male cone (strobilus masculinus) of the direction processing parts 1 from right (conical ring small end) to left (the large end of conical ring), obtain finished product.Again start machine tool hydraulic system, make the hydraulic mandril 4 of lathe drive internal overarm support 22 to be moved to the left, taper seat 1 departs from taper seat 5 2422, and the right-hand member of gripping sleeve 24 shrinks, and part 1 comes off from hydraulic clamp 2, completes process.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.

Claims (4)

1. a hydraulic clamp, is characterized in that: comprise clamping fixture seat, internal overarm support, positioning sleeve, gripping sleeve; Described gripping sleeve is movably arranged on the end face of clamping fixture seat, and described positioning sleeve covers gripping sleeve and is fixedly installed on the end face of clamping fixture seat, described internal overarm support be through in the endoporus of clamping fixture seat and with gripping sleeve movable contact;
Described clamping fixture seat is disc-like step parts, and the cylindrical of the small end of described clamping fixture seat is provided with external screw thread, and the end face of small end is provided with through hole two; The end face of the large end of described clamping fixture seat is provided with positioning spigot two, between positioning spigot two and through hole two, be provided with through hole five, between the large end of clamping fixture seat and small end, be provided with positioning spigot one, be provided with several through holes one and several retaining threads hole at the end face of positioning spigot one; Described clamping fixture seat is located by connecting by its positioning spigot two and the spindle flange seat of lathe, and is fixedly connected with the spindle flange seat of lathe through several through holes one by several bolts;
Described internal overarm support is axial workpiece, is provided with a tapped blind hole at an end face of internal overarm support, and the cylindrical of the other end is provided with taper seat one; Described internal overarm support is connected by the external screw thread of the tapped blind hole of its one end and the hydraulic mandril of lathe, and the other end passes positioning spigot two, through hole five, the through hole two of clamping fixture seat, and exposes the end face of the small end of clamping fixture seat;
Gripping sleeve is disk shell part, and the endoporus of the large end of gripping sleeve is provided with internal thread; The cylindrical of the small end of gripping sleeve is provided with taper seat three, the endoporus of the small end of gripping sleeve is provided with taper seat five, the large end of gripping sleeve and small end are connected to form a shell part by taper seat four transition, uniform several subdivision grooves on the conical surface of taper seat four and taper seat three, taper seat four and taper seat three are divided into several lobes by subdivision groove; Gripping sleeve is connected by the external screw thread of the internal thread of its large end and the small end of clamping fixture seat, the taper seat one of described internal overarm support and taper seat five movable contacts of gripping sleeve;
Positioning sleeve is disk shell part, and the large end of positioning sleeve is flange seat, is provided with the several through holes three that match with the retaining thread hole of clamping fixture seat on flange seat, and the endoporus of the large end of positioning sleeve is also provided with through hole five; The endoporus of the small end of positioning sleeve is provided with through hole four; The large end of positioning sleeve and small end are connected to form a shell part by taper seat two transition; Described positioning sleeve is arranged on by its through hole five on the positioning spigot one of clamping fixture seat, the end face of the end face laminating positioning spigot one of the large end of positioning sleeve, and positioning sleeve is fixedly connected with the retaining thread hole of clamping fixture seat through through hole three by several bolts.
2. a kind of hydraulic clamp as claimed in claim 1, is characterized in that: the tapering of the taper seat one of described internal overarm support is slightly less than the tapering of the taper seat five of gripping sleeve; The end of the taper seat one of internal overarm support is arranged on the small end inside of gripping sleeve.
3. a kind of hydraulic clamp as claimed in claim 1, is characterized in that: the end face of the small end of described gripping sleeve protrudes from the end face of the small end of positioning sleeve, the length of protrusion should exceed the axial length of the taper seat three of gripping sleeve; The length of described subdivision groove be greater than gripping sleeve length 2/3 but be less than the overall length of gripping sleeve.
4. a kind of hydraulic clamp as claimed in claim 1, is characterized in that: the slightly larger in diameter of described through hole four is in the end diameter of gripping sleeve.
CN201420367421.3U 2014-07-04 2014-07-04 A kind of hydraulic clamp Active CN203956547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420367421.3U CN203956547U (en) 2014-07-04 2014-07-04 A kind of hydraulic clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420367421.3U CN203956547U (en) 2014-07-04 2014-07-04 A kind of hydraulic clamp

Publications (1)

Publication Number Publication Date
CN203956547U true CN203956547U (en) 2014-11-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104589155A (en) * 2015-02-05 2015-05-06 贵阳捷盛科技实业发展有限公司 Clamp for milling of rock drilling drill bit
CN106944855A (en) * 2015-12-14 2017-07-14 发那科株式会社 Throw
CN109807362A (en) * 2019-04-01 2019-05-28 森泰英格(成都)数控刀具股份有限公司 Lathe exports power conversion device
CN112405055A (en) * 2020-11-26 2021-02-26 首都航天机械有限公司 Weak rigidity parts machining prevents anchor clamps that shimmy
CN113305603A (en) * 2021-06-25 2021-08-27 天衍医疗器材有限公司 Anti-deformation stress release clamping device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104589155A (en) * 2015-02-05 2015-05-06 贵阳捷盛科技实业发展有限公司 Clamp for milling of rock drilling drill bit
CN106944855A (en) * 2015-12-14 2017-07-14 发那科株式会社 Throw
US10363611B2 (en) 2015-12-14 2019-07-30 Fanuc Corporation Rotation tool having function of fixing workpiece
CN109807362A (en) * 2019-04-01 2019-05-28 森泰英格(成都)数控刀具股份有限公司 Lathe exports power conversion device
CN109807362B (en) * 2019-04-01 2020-02-21 森泰英格(成都)数控刀具股份有限公司 Machine tool output force conversion device
CN112405055A (en) * 2020-11-26 2021-02-26 首都航天机械有限公司 Weak rigidity parts machining prevents anchor clamps that shimmy
CN113305603A (en) * 2021-06-25 2021-08-27 天衍医疗器材有限公司 Anti-deformation stress release clamping device

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