CN208496355U - A special jig for drilling fork parts - Google Patents

A special jig for drilling fork parts Download PDF

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Publication number
CN208496355U
CN208496355U CN201820935377.XU CN201820935377U CN208496355U CN 208496355 U CN208496355 U CN 208496355U CN 201820935377 U CN201820935377 U CN 201820935377U CN 208496355 U CN208496355 U CN 208496355U
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CN
China
Prior art keywords
pin
positioning
bushing
fixed
drilling
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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.)
Expired - Fee Related
Application number
CN201820935377.XU
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Chinese (zh)
Inventor
魏星
李秀竹
姜天缘
张洪峰
李舒祺
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East China Jiaotong University
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East China Jiaotong University
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Priority to CN201820935377.XU priority Critical patent/CN208496355U/en
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Publication of CN208496355U publication Critical patent/CN208496355U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of dedicated fixture for drilling of shift fork class part, are made of cylinder, push rod, ball screw, hexagon thin nut, clamping pressure head, spring washer, bolt I, pressing plate, support plate, bushing, renewable bushing, screw, pin I, plain washer, nut, fixed positioning pin, positioning bushing, clamp body, L shape connecting plate, pin II, bolt II, bolt III, general flat key, chamfered edge pin, workpieces processing.The fixture mainly utilizes the positioning principle of " Position with One Plane and Two Holes " to position to improve processing efficiency by cylinder Quick-clamped.It can accelerate the replacement of drill bushing using renewable bushing, and then improve working efficiency.The proprietary clamp structure of the workpieces processing is ingenious, the high various drillings suitable for the workpieces processing of machining accuracy are processed.Largely guarantee processing efficiency, converted products precision and reduces labor intensity.

Description

A kind of dedicated fixture for drilling of shift fork class part
Technical field
The present invention relates to a kind of dedicated fixture for drilling more particularly to a kind of dedicated fixture for drilling of shift fork class part.
Background technique
Special fixture is the equipment of a certain procedure processing for part and design and manufacture.It is suitable for opposite in product Stablize, used in the biggish production of batch；It can be effectively reduced labor intensity in process, improve in process of production Labor productivity simultaneously obtains higher machining accuracy.
In traditional processing, for the workpiece of regular shape, rely primarily on artificial or traditional common fixture by workpiece into Row positioning, however, in the irregular situation of Working position, conventional brace is difficult to ensure machining accuracy and adds for complex-shaped Work efficiency rate.
Summary of the invention
In order to meet the labor intensity in reduction process described in background technique, raise labour productivity and obtain Higher machining accuracy, the present invention provide a kind of dedicated fixture for drilling of shift fork class part, which mainly passes through " on one side two Hole " is positioned completely, is carried out Quick-clamped by cylinder to improve production efficiency, is passed through clamp structure design and fixture essence Degree control to guarantee precision when processing.
The technical solution adopted by the present invention to solve the technical problems includes: thin by cylinder, push rod, ball screw, hexagonal Nut, clamp pressure head, spring washer, bolt I, pressing plate, support plate, bushing, renewable bushing, screw, pin I, plain washer, nut, Fixed positioning pin, clamp body, L shape connecting plate, pin II, bolt II, bolt III, general flat key, chamfered edge pin, adds positioning bushing Work workpiece composition；It is characterized in that workpieces processing (25) is carried out by fixed positioning pin (16) and the compression of clamping pressure head (5) One hole positioning, compression finished surface positioning of the simultaneous processing workpiece (25) due to clamping pressure head (5), workpieces processing (25) and chamfered edge Pin (24) cooperatively forms the positioning of another hole.Fixed positioning pin (16) and positioning bushing (17) are interference fitted and by positioning linings It covers (17) and completes axially position, the fixed positioning pin other end is threaded；It is fixed by nut (15) and plain washer (14) On clamp body (18).Support plate (9) passes through two pin I(13) it is accurately positioned, renewable bushing (11) and bushing (10) mistake It is full of and cooperatively forms accurate positioning, bushing (10) and support plate (9) transition fit passes through screw thread on screw (12) and support plate (9) The fixation of renewable bushing (11) is completed in hole cooperation.Chamfered edge pin (24) and workpieces processing (25) form hole positioning, other end front end band There is screw thread, middle section is provided with keyway；Clamp body (18) are fixed on by nut (15) and plain washer (14)；Chamfered edge pin (24) is logical It is circumferentially positioned to cross general flat key (23) completion.It is higher to clamp pressure head (5) lower surface roughness requirements, it is straight with L shape connecting plate (19) It contacts and slides on；L shape connecting plate (19) passes through two pin II(20) it is accurately positioned with clamp body (18), and lead to Cross four bolt II(21) cooperate fixed cylinder (1), L shape connecting plate (19) and clamp body with clamp body (18) upper screwed hole (18)；Cylinder (1) is pushed by push rod (2) and ball screw (3) and clamps pressure head (5).Ball screw (3) passes through hexagon thin nut (4) fixed with the threaded hole on push rod, cylinder passes through bolt II(21) it is fixed on clamp body (18).
Compared with the background technology, the present invention, it has the beneficial effect that
(1) it is not both to be directed to workpieces processing design that the present invention is maximum with similar product, largely guarantees to add Work efficiency rate, converted products precision and reduction labor intensity.
(2) replacement of drill bushing can be accelerated using renewable bushing, and then improve working efficiency.
The proprietary clamp structure of the workpieces processing is ingenious, the high various drillings suitable for the workpieces processing of machining accuracy add Work.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is left view of the invention.
Fig. 4 is workpieces processing schematic diagram of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Fig. 1, the present invention includes cylinder (1), push rod (2), ball screw (3), hexagon thin nut (4), clamps Pressure head (5), spring washer (6), bolt I(7), pressing plate (8), support plate (9), bushing (10), renewable bushing (11), screw (12), sell I(13), plain washer (14), nut (15), fixed positioning pin (16), positioning bushing (17), clamp body (18), L shape Connecting plate (19), pin II(20), bolt II(21), workpieces processing (25).
As shown in Fig. 2, the present invention includes cylinder (1), push rod (2), ball screw (3), hexagon thin nut (4), clamps Pressure head (5), bolt I(7), pressing plate (8), support plate (9), bushing (10), renewable bushing (11), screw (12), pin I(13), it is flat Washer (14), nut (15), clamp body (18), L shape connecting plate (19), pin II(20), bolt II(21), bolt III(22), it is general Logical flat key (23), chamfered edge pin (24), workpieces processing (25).
As shown in Fig. 3, the present invention include ball screw (3), clamp pressure head (5), spring washer (6), bolt I(7), branch Fagging (9), bushing (10), renewable bushing (11), clamp body (18), L shape connecting plate (19), chamfered edge pin (24), workpieces processing (25).
As shown in Fig. 4, the present invention includes workpieces processing (25).
Cylinder (1) passes through bolt II(21) it is fixed on clamp body (18), sell II(20) guarantee that L shape connecting plate (19) are pressing from both sides The specifically positioning accuracy on (18)；Pressing plate (8) and clamping pressure head (5) are fixed on L shape by bolt I(7) and spring washer (6) Connecting plate (19), wherein clamping pressure head (5) and pressing plate (8) has certain interval, and it is sliding on L shape connecting plate (19) to clamp pressure head (5) It is dynamic；Ball screw (3) is threadedly engaged with push rod (2) on cylinder (1), is locked by hexagon thin nut (4), ball screw and folder Press head (5) cooperation, forward-reverse is controlled by cylinder (1)；Fixed positioning pin (16) and positioning bushing (17) interference fit are simultaneously Axially position is completed by positioning bushing (17), the fixed positioning pin other end is threaded；Pass through nut (15) and plain cushion Circle (14) is fixed on clamp body (18)；Support plate (9) pass through two pin I(13) be accurately positioned, renewable bushing (11) and Bushing (10) interference fit, which is formed, to be accurately positioned, and bushing (10) and support plate (9) transition fit pass through screw (12) and support plate (9) fixation of renewable bushing (11) is completed in upper screwed hole cooperation；Chamfered edge pin (24) and workpieces processing (25) form hole positioning, another Front end is held to have screw thread, middle section is provided with keyway；Clamp body (18) are fixed on by nut (15) and plain washer (14)；Chamfered edge It is circumferentially positioned by general flat key (23) completion to sell (24).
Working principle of the present invention is as follows:
The workpieces processing (25) is positioned completely using the method that " Position with One Plane and Two Holes " positions completely.Workpieces processing (25) A hole positioning is carried out by fixed positioning pin (16) and the compression for clamping pressure head (5), simultaneous processing workpiece (25) is due to folder Press the compression finished surface positioning of head (5), workpieces processing (25) and chamfered edge pin (16) cooperatively form the positioning of another hole.Pass through gas Quickly stepping up and position for workpieces processing (25) is realized in the quick acting of cylinder.

Claims (6)

1.一种拨叉类零件的钻孔专用夹具，由气缸、推杆、球头螺钉、六角薄螺母、夹紧压头、弹簧垫圈、螺栓I、压板、支撑板、衬套、可换钻套、螺钉、销I、平垫圈、螺母、固定式定位销、定位衬套、夹具体、L形连接板、销II、螺栓II、螺栓III、普通平键、削边销、加工工件组成；其特征在于加工工件（25）通过固定式定位销（16）和夹紧压头（5）的压紧进行一个孔定位，同时加工工件（25）由于夹紧压头（5）的压紧完成面定位，加工工件（25）与削边销（24）配合形成另一个孔定位。1. A special jig for drilling fork parts, consisting of cylinder, push rod, ball head screw, hexagonal thin nut, clamping pressure head, spring washer, bolt I, pressure plate, support plate, bushing, replaceable drill Sleeve, screw, pin I, flat washer, nut, fixed locating pin, locating bushing, clamp body, L-shaped connecting plate, pin II, bolt II, bolt III, common flat key, chamfered pin, machining workpiece; It is characterized in that the workpiece (25) is machined through the pressing of the fixed positioning pin (16) and the clamping indenter (5) to perform a hole positioning, and the machining of the workpiece (25) is completed due to the pressing of the clamping indenter (5). For surface positioning, the machining workpiece (25) cooperates with the chamfering pin (24) to form another hole for positioning. 2.根据权利要求1所述的一种拨叉类零件的钻孔专用夹具，其特征在于：固定式定位销（16）与定位衬套（17）过盈配合并通过定位衬套（17）完成轴向定位，固定式定位销另一端加工有螺纹；通过螺母（15）和平垫圈（14）固定在夹具体（18）上。2. A special jig for drilling fork parts according to claim 1, characterized in that: the fixed positioning pin (16) and the positioning bushing (17) are in interference fit and pass through the positioning bushing (17) After completing the axial positioning, the other end of the fixed positioning pin is threaded; it is fixed on the clamping body (18) through a nut (15) and a flat washer (14). 3.根据权利要求1所述的一种拨叉类零件的钻孔专用夹具，其特征在于：支撑板（9）通过两个销I（13）进行精确定位，可换钻套（11）与衬套（10）过盈配合形成精确定位，衬套（10）与支撑板（9）过渡配合，通过螺钉（12）与支撑板（9）上螺纹孔配合完成可换钻套（11）的固定。3. A special jig for drilling fork parts according to claim 1, characterized in that: the support plate (9) is precisely positioned by two pins I (13), and the drill sleeve (11) can be replaced with the The interference fit of the bushing (10) forms precise positioning, the bushing (10) is in transition fit with the support plate (9), and the replacement of the replaceable drill sleeve (11) is completed by the screw (12) and the threaded hole on the support plate (9). fixed. 4.根据权利要求1所述的一种拨叉类零件的钻孔专用夹具，其特征在于：削边销（24）与加工工件（25）形成孔定位，另一端前端带有螺纹，中间部分开有键槽；通过螺母（15）和平垫圈（14）固定在夹具体（18）；削边销（24）通过普通平键（23）完成周向定位。4. A special jig for drilling fork-like parts according to claim 1, characterized in that: the chamfering pin (24) and the workpiece (25) form a hole for positioning, the other end is threaded at the front end, and the middle part is A keyway is provided; it is fixed on the clamping body (18) by a nut (15) and a flat washer (14); a chamfered pin (24) is positioned circumferentially by an ordinary flat key (23). 5.根据权利要求1所述的一种拨叉类零件的钻孔专用夹具，其特征在于：夹紧压头（5）下表面粗糙度要求较高，与L形连接板（19）直接接触并在其上滑动；L形连接板（19）通过两个销II（20）与夹具体（18）进行精确定位，并通过四个螺栓II（21）与夹具体（18）上螺纹孔配合固定气缸（1）、L形连接板（19）和夹具体（18）；气缸（1）通过推杆（2）和球头螺钉（3）推动夹紧压头（5）。5. A special jig for drilling fork parts according to claim 1, characterized in that: the lower surface roughness of the clamping indenter (5) is required to be high, and it is in direct contact with the L-shaped connecting plate (19). and slide on it; the L-shaped connecting plate (19) is precisely positioned with the clamping body (18) by two pins II (20) and is matched with the threaded holes on the clamping body (18) by four bolts II (21) Fix the cylinder (1), the L-shaped connecting plate (19) and the clamping body (18); the cylinder (1) pushes the clamping head (5) through the push rod (2) and the ball head screw (3). 6.根据权利要求5所述的一种拨叉类零件的钻孔专用夹具，其特征在于：球头螺钉（3）通过六角薄螺母（4）与推杆上的螺纹孔固定，气缸通过螺栓II（21）固定在夹具体（18）上。6. A special jig for drilling fork parts according to claim 5, characterized in that: the ball head screw (3) is fixed with the threaded hole on the push rod by the hexagonal thin nut (4), and the cylinder is fixed by the bolt II (21) is fixed on the clamp body (18).
CN201820935377.XU 2018-06-17 2018-06-17 A special jig for drilling fork parts Expired - Fee Related CN208496355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820935377.XU CN208496355U (en) 2018-06-17 2018-06-17 A special jig for drilling fork parts

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Application Number Priority Date Filing Date Title
CN201820935377.XU CN208496355U (en) 2018-06-17 2018-06-17 A special jig for drilling fork parts

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110605590A (en) * 2018-06-17 2019-12-24 华东交通大学 A special jig for drilling of shift fork parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110605590A (en) * 2018-06-17 2019-12-24 华东交通大学 A special jig for drilling of shift fork parts

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190215

Termination date: 20200617

CF01 Termination of patent right due to non-payment of annual fee