CN110605590A - Special drilling clamp for shifting fork parts - Google Patents

Special drilling clamp for shifting fork parts Download PDF

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Publication number
CN110605590A
CN110605590A CN201810624973.0A CN201810624973A CN110605590A CN 110605590 A CN110605590 A CN 110605590A CN 201810624973 A CN201810624973 A CN 201810624973A CN 110605590 A CN110605590 A CN 110605590A
Authority
CN
China
Prior art keywords
positioning
pin
fixed
bushing
clamp
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.)
Pending
Application number
CN201810624973.0A
Other languages
Chinese (zh)
Inventor
魏星
李秀竹
张洪峰
李舒祺
毛国祯
赵伟龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China Jiaotong University
Original Assignee
East China Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by East China Jiaotong University filed Critical East China Jiaotong University
Priority to CN201810624973.0A priority Critical patent/CN110605590A/en
Publication of CN110605590A publication Critical patent/CN110605590A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a special drilling clamp for shifting fork parts, which consists of a cylinder, a push rod, a ball head screw, a hexagonal thin nut, a clamping pressure head, a spring washer, a bolt I, a pressure plate, a supporting plate, a lining, a replaceable drill bushing, a screw, a pin I, a flat washer, a nut, a fixed positioning pin, a positioning lining, a clamp body, an L-shaped connecting plate, a pin II, a bolt III, a common flat key, a trimming pin and a processing workpiece. The fixture is mainly used for rapidly clamping and positioning through the air cylinder by utilizing the positioning principle of 'two holes on one surface' so as to improve the processing efficiency. The replaceable drill bushing can be used for accelerating the replacement of the drill bushing, and further the working efficiency is improved. The special fixture for machining the workpiece is ingenious in structure and high in machining precision, and is suitable for various drilling machining of the workpiece. The processing efficiency and the precision of processed products are ensured to a great extent, and the labor intensity is reduced.

Description

Special drilling clamp for shifting fork parts
Technical Field
The invention relates to a special drilling clamp, in particular to a special drilling clamp for shifting fork parts.
Background
The special fixture is designed and manufactured for one process of the part. The method is suitable for being used in the production of relatively stable products and large batches; it can effectively reduce the labor intensity in the processing process, improve the labor productivity and obtain higher processing precision in the production process.
In the conventional machining, for a workpiece with a regular shape, the workpiece is mainly positioned by manpower or a conventional universal fixture, however, under the conditions of a complex shape and an irregular machining position, the conventional fixture has difficulty in ensuring the machining precision and the machining efficiency.
Disclosure of Invention
In order to reduce the labor intensity in the machining process, improve the labor productivity and obtain higher machining precision in the background technology, the invention provides the special drilling clamp for the shifting fork parts, the clamp is mainly used for completely positioning two holes on one surface, the clamp is used for rapidly clamping through an air cylinder so as to improve the production efficiency, and the machining precision is ensured through the structural design of the clamp and the precision control of the clamp.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps: the device comprises a cylinder, a push rod, a ball screw, a hexagonal thin nut, a clamping pressure head, a spring washer, a bolt I, a pressure plate, a supporting plate, a bush, a replaceable drill bushing, a screw, a pin I, a flat washer, a nut, a fixed positioning pin, a positioning bush, a clamp body, an L-shaped connecting plate, a pin II, a bolt III, a common flat key, a trimming pin and a processing workpiece; the method is characterized in that a processing workpiece (25) is pressed by a fixed positioning pin (16) and a clamping pressure head (5) to perform hole positioning, meanwhile, the processing workpiece (25) is positioned by a pressing completion surface of the clamping pressure head (5), and the processing workpiece (25) is matched with a trimming pin (16) to form another hole positioning. The fixed positioning pin (16) is in interference fit with the positioning bushing (17) and is axially positioned through the positioning bushing (17), and a thread is machined at the other end of the fixed positioning pin; is fixed on the clamp body (18) through a nut (15) and a flat washer (14). The supporting plate (9) is accurately positioned through two pins I (13), the replaceable drill bushing (11) and the bushing (10) are in interference fit to form accurate positioning, the bushing (10) and the supporting plate (9) are in transition fit, and the replaceable drill bushing (11) is fixed through the matching of the threaded holes in the screw (12) and the supporting plate (9). The edge cutting pin (24) and a processed workpiece (25) form a hole for positioning, the front end of the other end is provided with a thread, and the middle part is provided with a key groove; is fixed on the clamp body (18) through a nut (15) and a flat washer (14); the chamfered edge pin (24) completes circumferential positioning through a common flat key (23). The lower surface of the clamping pressure head (5) has higher roughness requirement, and is directly contacted with the L-shaped connecting plate (19) and slides on the L-shaped connecting plate; the L-shaped connecting plate (19) is accurately positioned with the clamp body (18) through two pins II (20), and the cylinder (1), the L-shaped connecting plate (19) and the clamp body (18) are fixed through four bolts II (21) in a matching manner with threaded holes in the clamp body (18); the air cylinder (1) pushes the clamping pressure head (5) through the push rod (2) and the ball head screw (3). The ball head screw (3) is fixed with a threaded hole on the push rod through a hexagonal thin nut (4), and the air cylinder is fixed on the clamp body (18) through a bolt II (21).
Compared with the background technology, the invention has the following beneficial effects:
(1) the invention is different from the similar products in the design of the processing workpiece, thereby ensuring the processing efficiency and the precision of the processed product and reducing the labor intensity to the utmost extent.
(2) The replaceable drill bushing can be used for accelerating the replacement of the drill bushing, and further the working efficiency is improved.
The special fixture for machining the workpiece is ingenious in structure and high in machining precision, and is suitable for various drilling machining of the workpiece.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a schematic view of a work piece of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in the attached drawing 1, the novel adjustable clamping device comprises a cylinder (1), a push rod (2), a ball screw (3), a hexagonal thin nut (4), a clamping pressure head (5), a spring washer (6), a bolt I (7), a pressure plate (8), a supporting plate (9), a bushing (10), a replaceable drill bushing (11), a screw (12), a pin I (13), a flat washer (14), a nut (15), a fixed positioning pin (16), a positioning bushing (17), a clamp body (18), an L-shaped connecting plate (19), a pin II (20), a bolt II (21) and a machining workpiece (25).
As shown in the attached figure 2, the novel adjustable clamp comprises a cylinder (1), a push rod (2), a ball head screw (3), a hexagonal thin nut (4), a clamping pressure head (5), a bolt I (7), a pressure plate (8), a support plate (9), a bushing (10), an interchangeable drill bush (11), a screw (12), a pin I (13), a flat washer (14), a nut (15), a clamp body (18), an L-shaped connecting plate (19), a pin II (20), a bolt II (21), a bolt III (22), a common flat key (23), a trimming pin (24) and a machining workpiece (25).
As shown in the attached figure 3, the invention comprises a ball screw (3), a clamping pressure head (5), a spring washer (6), a bolt I (7), a support plate (9), a bushing (10), a replaceable drill bushing (11), a clamp body (18), an L-shaped connecting plate (19), a trimming pin (24) and a processing workpiece (25).
As shown in fig. 4, the present invention includes machining a workpiece (25).
The air cylinder (1) is fixed on the clamp body (18) through a bolt II (21), and a pin II (20) ensures the positioning accuracy of the L-shaped connecting plate (19) on the clamp body (18); the pressing plate (8) and the clamping pressing head (5) are fixed on the L-shaped connecting plate (19) through a bolt I (7) and a spring washer (6), wherein a certain gap is reserved between the clamping pressing head (5) and the pressing plate (8), and the clamping pressing head (5) slides on the L-shaped connecting plate (19); the ball head screw (3) is matched with the thread of the push rod (2) on the cylinder (1) and locked by the hexagonal thin nut (4), and the ball head screw is matched with the clamping pressure head (5) and controlled by the cylinder (1) to move forwards and backwards; the fixed positioning pin (16) is in interference fit with the positioning bushing (17) and is axially positioned through the positioning bushing (17), and a thread is machined at the other end of the fixed positioning pin; is fixed on the clamp body (18) through a nut (15) and a flat washer (14); the supporting plate (9) is accurately positioned through two pins I (13), the replaceable drill bushing (11) and the bushing (10) are in interference fit to form accurate positioning, the bushing (10) and the supporting plate (9) are in transition fit, and the replaceable drill bushing (11) is fixed through the matching of a screw (12) and a threaded hole in the supporting plate (9); the edge cutting pin (24) and a processed workpiece (25) form a hole for positioning, the front end of the other end is provided with a thread, and the middle part is provided with a key groove; is fixed on the clamp body (18) through a nut (15) and a flat washer (14); the chamfered edge pin (24) completes circumferential positioning through a common flat key (23).
The working principle of the invention is as follows:
the machining workpiece (25) is completely positioned by a method of completely positioning two holes on one surface. The processing workpiece (25) is pressed by the fixed positioning pin (16) and the clamping pressure head (5) to perform hole positioning, and meanwhile, the processing workpiece (25) is positioned by the pressing completion surface of the clamping pressure head (5), and the processing workpiece (25) is matched with the trimming pin (16) to form another hole positioning. The rapid clamping and positioning of the machined workpiece (25) are realized through the rapid action of the air cylinder.

Claims (6)

1. A special drilling clamp for shifting fork parts comprises a cylinder, a push rod, a ball head screw, a hexagonal thin nut, a clamping pressure head, a spring washer, a bolt I, a pressure plate, a supporting plate, a bushing, a replaceable drill bushing, a screw, a pin I, a flat washer, a nut, a fixed positioning pin, a positioning bushing, a clamp body, an L-shaped connecting plate, a pin II, a bolt III, a common flat key, a trimming pin and a machining workpiece; the method is characterized in that a processing workpiece (25) is pressed by a fixed positioning pin (16) and a clamping pressure head (5) to perform hole positioning, meanwhile, the processing workpiece (25) is positioned by a pressing completion surface of the clamping pressure head (5), and the processing workpiece (25) is matched with a trimming pin (16) to form another hole positioning.
2. The special drilling clamp for the shifting fork parts according to claim 1, which is characterized in that: the fixed positioning pin (16) is in interference fit with the positioning bushing (17) and is axially positioned through the positioning bushing (17), and a thread is machined at the other end of the fixed positioning pin; is fixed on the clamp body (18) through a nut (15) and a flat washer (14).
3. The special drilling clamp for the shifting fork parts according to claim 1, which is characterized in that: the supporting plate (9) is accurately positioned through two pins I (13), the replaceable drill bushing (11) and the bushing (10) are in interference fit to form accurate positioning, the bushing (10) and the supporting plate (9) are in transition fit, and the replaceable drill bushing (11) is fixed through the matching of the threaded holes in the screw (12) and the supporting plate (9).
4. The special drilling clamp for the shifting fork parts according to claim 1, which is characterized in that: the edge cutting pin (24) and a processed workpiece (25) form a hole for positioning, the front end of the other end is provided with a thread, and the middle part is provided with a key groove; is fixed on the clamp body (18) through a nut (15) and a flat washer (14); the chamfered edge pin (24) completes circumferential positioning through a common flat key (23).
5. The special drilling clamp for the shifting fork parts according to claim 1, which is characterized in that: the lower surface of the clamping pressure head (5) has higher roughness requirement, and is directly contacted with the L-shaped connecting plate (19) and slides on the L-shaped connecting plate; the L-shaped connecting plate (19) is accurately positioned with the clamp body (18) through two pins II (20), and the cylinder (1), the L-shaped connecting plate (19) and the clamp body (18) are fixed through four bolts II (21) in a matching manner with threaded holes in the clamp body (18); the air cylinder (1) pushes the clamping pressure head (5) through the push rod (2) and the ball head screw (3).
6. The special drilling clamp for the shifting fork parts according to claim 5, which is characterized in that: the ball head screw (3) is fixed with a threaded hole on the push rod through a hexagonal thin nut (4), and the air cylinder is fixed on the clamp body (18) through a bolt II (21).
CN201810624973.0A 2018-06-17 2018-06-17 Special drilling clamp for shifting fork parts Pending CN110605590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810624973.0A CN110605590A (en) 2018-06-17 2018-06-17 Special drilling clamp for shifting fork parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810624973.0A CN110605590A (en) 2018-06-17 2018-06-17 Special drilling clamp for shifting fork parts

Publications (1)

Publication Number Publication Date
CN110605590A true CN110605590A (en) 2019-12-24

Family

ID=68888653

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810624973.0A Pending CN110605590A (en) 2018-06-17 2018-06-17 Special drilling clamp for shifting fork parts

Country Status (1)

Country Link
CN (1) CN110605590A (en)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2381412Y (en) * 1997-12-03 2000-06-07 山东恒泰塑料建材有限公司 Drill jig on plastic-steel door or window frames
CN201684944U (en) * 2010-05-31 2010-12-29 张建云 Full-automatic drilling machine tool
CN101992311A (en) * 2010-05-31 2011-03-30 张建云 Fully-automatic magnetic core drilling machine tool
CN202861850U (en) * 2012-09-06 2013-04-10 江麓机电集团有限公司 Fixture for shifting fork type metal part double-face drilling
CN104227082A (en) * 2014-09-11 2014-12-24 河南飞龙(芜湖)汽车零部件有限公司 Drill jig for small flange hole
CN104493255A (en) * 2014-12-18 2015-04-08 广西职业技术学院 Drilling clamp
CN104551757A (en) * 2014-12-20 2015-04-29 重庆联合机器制造有限公司 Multi-station clamping device with adjustable clamping force
CN105081836A (en) * 2015-09-10 2015-11-25 全红英 Clamp for drilling of shifting fork
CN205057555U (en) * 2015-09-10 2016-03-02 全红英 A anchor clamps for shift fork drilling
CN105364115A (en) * 2015-11-18 2016-03-02 中北大学 Special matched drilling device for pin hole of motor shaft and matched gear pair
CN105382299A (en) * 2015-11-27 2016-03-09 徐州立方机电设备制造有限公司 Process device for machining bracket holes on drilling machine
CN205342010U (en) * 2015-11-27 2016-06-29 沈阳飞机工业(集团)有限公司 Rocking arm subassembly boring grab
CN106624071A (en) * 2017-03-07 2017-05-10 哈尔滨理工大学 Shifting fork piece drilling fixture
CN206550678U (en) * 2017-02-21 2017-10-13 浙江大学城市学院 Shift fork hole machined special fixture
CN107344298A (en) * 2017-07-28 2017-11-14 惠州市欧野科技有限公司 A kind of shift fork part drilling jig
CN206732199U (en) * 2016-08-19 2017-12-12 天津中宇工贸有限公司 A kind of drilling machine for processing hole
CN208496355U (en) * 2018-06-17 2019-02-15 华东交通大学 A kind of dedicated fixture for drilling of shift fork class part

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2381412Y (en) * 1997-12-03 2000-06-07 山东恒泰塑料建材有限公司 Drill jig on plastic-steel door or window frames
CN201684944U (en) * 2010-05-31 2010-12-29 张建云 Full-automatic drilling machine tool
CN101992311A (en) * 2010-05-31 2011-03-30 张建云 Fully-automatic magnetic core drilling machine tool
CN202861850U (en) * 2012-09-06 2013-04-10 江麓机电集团有限公司 Fixture for shifting fork type metal part double-face drilling
CN104227082A (en) * 2014-09-11 2014-12-24 河南飞龙(芜湖)汽车零部件有限公司 Drill jig for small flange hole
CN104493255A (en) * 2014-12-18 2015-04-08 广西职业技术学院 Drilling clamp
CN104551757A (en) * 2014-12-20 2015-04-29 重庆联合机器制造有限公司 Multi-station clamping device with adjustable clamping force
CN205057555U (en) * 2015-09-10 2016-03-02 全红英 A anchor clamps for shift fork drilling
CN105081836A (en) * 2015-09-10 2015-11-25 全红英 Clamp for drilling of shifting fork
CN105364115A (en) * 2015-11-18 2016-03-02 中北大学 Special matched drilling device for pin hole of motor shaft and matched gear pair
CN105382299A (en) * 2015-11-27 2016-03-09 徐州立方机电设备制造有限公司 Process device for machining bracket holes on drilling machine
CN205342010U (en) * 2015-11-27 2016-06-29 沈阳飞机工业(集团)有限公司 Rocking arm subassembly boring grab
CN206732199U (en) * 2016-08-19 2017-12-12 天津中宇工贸有限公司 A kind of drilling machine for processing hole
CN206550678U (en) * 2017-02-21 2017-10-13 浙江大学城市学院 Shift fork hole machined special fixture
CN106624071A (en) * 2017-03-07 2017-05-10 哈尔滨理工大学 Shifting fork piece drilling fixture
CN107344298A (en) * 2017-07-28 2017-11-14 惠州市欧野科技有限公司 A kind of shift fork part drilling jig
CN208496355U (en) * 2018-06-17 2019-02-15 华东交通大学 A kind of dedicated fixture for drilling of shift fork class part

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