CN108857494A - A kind of fixture for milling shift fork end face - Google Patents
A kind of fixture for milling shift fork end face Download PDFInfo
- Publication number
- CN108857494A CN108857494A CN201810842909.XA CN201810842909A CN108857494A CN 108857494 A CN108857494 A CN 108857494A CN 201810842909 A CN201810842909 A CN 201810842909A CN 108857494 A CN108857494 A CN 108857494A
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- China
- Prior art keywords
- clamp body
- pull rod
- block
- handle
- hinged
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of fixtures for milling shift fork end face, including positioning key, straight pin one, clamp body, V-block, cutter setting frame, feeler block, pressing plate, handle and pull rod；V-block is mounted on clamp body；It is hinged across clamp body and V-block, middle and clamp body that pressing plate lower end is equipped with dome bolt, upper end in the front-back direction；Two sides is cambered surface before and after pull rod lower end, and cambered surface is in contact with the dome face of dome bolt, and pull rod upper end and articulated slab lower end are hinged, and articulated slab upper end and handle one end are hinged, and handle middle and clamp body are hinged；Slotted hole clearance fit on one both ends of straight pin and clamp body interference fit, middle section and pull rod；Spring is respectively equipped between pull rod lower end and former and later two pressing plate lower ends；Cutter setting frame is mounted on clamp body upper surface, and feeler block is equipped on cutter setting frame.The fixture can be realized the complete positioning to small axis blank six-freedom degree, drive platen clamp, easy to operate, positioning reliable clamping with lever principle.
Description
Technical field
The present invention relates to a kind of fixtures to belong to machining more particularly to a kind of fixture for milling shift fork end face
Technical field.
Background technique
Part as shown in Figure 1 is small axis, it is mainly used for bearing transmission components, transmitting torque and power, receiving
Load, wherein radial hole is used for lubricant passage way, and axial hole is stepped hole, and keyway is used to cooperate with connecting key to transmit torque.It should
Part finally obtains finished product by way of casting machining again.Milling machine is a kind of widely used lathe, can on milling machine
To process plane, groove, divide tooth part, helical surface and various curved surfaces, therefore, the keyway of small axis part can be added with milling machine
Work, and to have corresponding fixture with milling machine processing part to guarantee the positioning and clamping of workpiece.Existing fraise jig can not be complete
The complete positioning and clamping of pairs of small axis part, it is therefore desirable to design the specific fixture for this process to assist completing milling
Cut the processing of keyway.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of fixture for milling shift fork end face, and the fixture is with small axis hair
The periphery of base and shaft shoulder end face are positioning datum, can be realized the complete positioning to small axis blank six-freedom degree, with lever
Principle drives platen clamp.The fixture operation is simple, positions reliable clamping, is conveniently replaceable part.
In order to achieve the above object, the present invention uses following technical scheme：A kind of fixture for milling shift fork end face, packet
Positioning key, straight pin one, clamp body, V-block, cutter setting frame, feeler block, pressing plate, handle and pull rod are included, the positioning key is located at
On the bottom surface of clamp body；V-block described in two, handle described in two, pull rod described in two are symmetrically set respectively
It sets, two pairs of opposite pressing plates in front and back are symmetrical set；The V-block is mounted on clamp body upper surface in left and right directions；
The pressing plate lower end is equipped with dome bolt in the front-back direction, and the dome of dome bolt is towards inside clamp body, the upper end of pressing plate
Towards being bent in V-block slot after clamp body and V-block, the middle of pressing plate and clamp body are hinged；The pull rod is placed in
On symmetrical centre face in the internal cavities of clamp body, positioned at former and later two pressing plates, the lower end front-rear direction of pull rod is up and down on width
Narrow, front and back two sides is cambered surface, and cambered surface is in contact with the dome face of dome bolt, and pull rod lower end is equipped with the slotted hole of up and down direction,
The upper end of pull rod and the lower end of articulated slab are hinged, and the upper end of articulated slab and one end of the handle are hinged, and the other end of handle is stretched
Clamp body is hanging out, and the middle of handle and clamp body are hinged；The both ends of the straight pin one and clamp body interference fit, in
Section and the slotted hole clearance fit on pull rod；Spring is respectively equipped between pull rod lower end and former and later two pressing plate lower ends；It is described
Cutter setting frame be mounted on clamp body upper surface, the feeler block is installed on cutter setting frame；
Further, the quantity of the positioning key is two, selects A type positioning key, and two positioning key the same sides are determined
In the same plane, positioning key is fixed on clamp body by screw one for position side；
Further, the feeler block is right angle feeler block.
Small axis blank is placed on V-block by the present invention, using the periphery of small axis blank and shaft shoulder end face as positioning datum,
The complete positioning to the six-freedom degree of small axis is realized, the link mechanism and pressing plate formed by handle, articulated slab and pull rod
The lever construction formed with clamp body realizes the purpose that platen clamp is driven with handle.Operation of the present invention is simple, positioning clamps
Reliably, it is conveniently replaceable part.
Detailed description of the invention
Fig. 1 is the part drawing of small axis.
Fig. 2 is main view of the invention.
Fig. 3 is the sectional view along A-A in Fig. 2.
Fig. 4 is top view of the invention.
In figure：1, positioning key, 2, screw one, 3, straight pin one, 4, clamp body, 5, straight pin two, 6, straight pin three, 7, pin
Axis, 8, articulated slab, 9, bolt one, 10, V-block, 11, bolt two, 12, straight pin four, 13, cutter setting frame, 14, feeler block, 15, pressure
Plate, 16, straight pin five, 17, handle, 18, spring, 19, dome bolt, 20, pull rod.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings (left and right directions, up and down direction and front and back in being described below
Direction in Fig. 2 left and right directions, up and down direction and front-rear direction it is identical, far from the direction of reader be rear in Fig. 2).
It is as shown in Figure 1 the part drawing of the small axis to be processed.As shown in Figures 2 to 4, a kind of for the small shaft key groove of milling
Fixture, including positioning key 1, straight pin 1, clamp body 4, V-block 10, cutter setting frame 13, feeler block 14, pressing plate 15,17 and of handle
Pull rod 20, the positioning key 1 are located on the bottom surface of clamp body 4；Handle 17 described in V-block 10, two described in two,
Pull rod 20 described in two is symmetrical set respectively, and two pairs of opposite pressing plates 15 in front and back are symmetrical set；The V-block
10 are mounted on 4 upper surface of clamp body by bolt 1 and straight pin 5 16 in left and right directions；15 lower end of pressing plate is equipped with
Dome bolt 19 in the front-back direction, towards inside clamp body 4, the upper end of pressing plate 15 passes through clamp body 4 for the dome of dome bolt 19
With after V-block 10 towards being bent in 10 slot of V-block, the straight pin 36 and clamp body 4 that the middle of pressing plate 15 passes through left and right directions
Hingedly；The pull rod 20 is placed in the internal cavities of clamp body 4, on the symmetrical centre face of former and later two pressing plates 15, is drawn
Low wide and up narrow, front and back two sides is cambered surface on the lower end front-rear direction of bar 20, and cambered surface is in contact with the dome face of dome bolt 19, is drawn
20 lower end of bar is equipped with the slotted hole of up and down direction, and the upper end of pull rod 20 and the lower end of articulated slab 8 are hinged by straight pin 25, hinge
The upper end of fishplate bar 8 and one end of the handle 17 are hinged by pin shaft 7, and the other end of handle stretches out clamp body 4 vacantly, handle 17
Middle it is hinged by straight pin 36 and clamp body 4；The both ends of the straight pin 1 and the interference fit of clamp body 4, in
Section and the slotted hole clearance fit on pull rod 20；Spring is respectively equipped between 20 lower end of pull rod and former and later two 15 lower ends of pressing plate
18；The cutter setting frame 13 is mounted on 4 upper surface of clamp body by bolt 2 11 and straight pin 4 12, is installed on cutter setting frame 13
There is the feeler block 14, it is corresponding to process the position of keyway on feeler block 14 and small axis blank.
The working principle of the invention：Fixture is assembled according to the structure of the fixture, then is mounted on the work of milling machine
On platform, small axis blank is placed on two V-blocks 10, when placement, the V-block of the end face and left side of the shaft shoulder of small axis blank
Left side is engaged, and realizes the complete positioning of the six-freedom degree of V-block 10 at this time, pushes handle 17, handle 17 is with circle
Pin 36 is fulcrum rotation, and handle 17 drives pull rod 20 to move up, at this point, the lower end cambered surface of pull rod 20 pushes former and later two
Dome bolt 19 moves towards, and then the upper end with dynamic pressure plate 15 is that fulcrum rotatably compresses small axis blank with straight pin 36, is started
Milling machine after milling, lifts handle 17 to milling key groove after knife upwards, and handle 17 is fulcrum rotation with straight pin 36, is driven
Pull rod 20 moves down, at this point, former and later two dome bolts 19 relative movement being in contact with 20 lower end cambered surface of pull rod, and then band
The upper end of dynamic pressure plate 15 is clamping of the fulcrum rotation releasing to small axis blank with straight pin 36, unloads workpiece, changes part processing i.e.
It can.
The quantity of the positioning key 1 is two, selects A type positioning key, the positioning side of two 1 the same sides of positioning key exists
In same plane, positioning key 1 is fixed on clamp body 4 by screw 1.The quantity of positioning key 1 is two, can be improved positioning
Precision, 1 more than two of positioning key, it may appear that the case where crossing positioning and waste raw material.
The feeler block 14 is right angle feeler block, is convenient for quick tool setting, increases machining accuracy, improves processing efficiency.
Claims (3)
1. a kind of fixture for milling shift fork end face, it is characterised in that：Including positioning key (1), straight pin one (3), clamp body
(4), V-block (10), cutter setting frame (13), feeler block (14), pressing plate (15), handle (17) and pull rod (20), the positioning key
(1) it is located on the bottom surface of clamp body (4)；V-block (10) described in two, handle (17) described in two, described in two
Pull rod (20) is symmetrical set respectively, and two pairs of opposite pressing plates (15) in front and back are symmetrical set；The V-block (10) is in
Left and right directions is mounted on clamp body (4) upper surface；Pressing plate (15) lower end is equipped with dome bolt (19) in the front-back direction,
The dome of dome bolt (19) is internal towards clamp body (4), after the upper end of pressing plate (15) passes through clamp body (4) and V-block (10)
Bending in towards V-block (10) slot, the middle and clamp body (4) of pressing plate (15) are hinged；The pull rod (20) is placed in fixture
In the internal cavities of body (4), it is located on the symmetrical centre face of former and later two pressing plates (15), on the lower end front-rear direction of pull rod (20)
Low wide and up narrow, front and back two sides is cambered surface, and cambered surface is in contact with the dome face of dome bolt (19), and pull rod (20) lower end is equipped with up and down
The slotted hole in direction, the upper end of pull rod (20) and the lower end of articulated slab (8) are hinged, the upper end of articulated slab (8) and the handle
(17) one end is hinged, and the other end of handle stretches out clamp body (4) vacantly, and the middle and clamp body (4) of handle (17) are hinged；
Slotted hole clearance fit on the both ends of the straight pin one (3) and clamp body (4) interference fit, middle section and pull rod (20)；
Spring (18) are respectively equipped between pull rod (20) lower end and former and later two pressing plate (15) lower ends；Cutter setting frame (13) installation
On clamp body (4) upper surface, the feeler block (14) is installed on cutter setting frame (13).
2. a kind of fixture for milling shift fork end face according to claim 1, it is characterized in that：The positioning key (1)
Quantity be two, select A type positioning key, the positioning side of two positioning key (1) the same sides in the same plane, positioning key
(1) it is fixed on clamp body (4) by screw one (2).
3. a kind of fixture for milling shift fork end face according to claim 1 or 2, it is characterized in that：The feeler block
It (14) is right angle feeler block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842909.XA CN108857494A (en) | 2018-07-27 | 2018-07-27 | A kind of fixture for milling shift fork end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842909.XA CN108857494A (en) | 2018-07-27 | 2018-07-27 | A kind of fixture for milling shift fork end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108857494A true CN108857494A (en) | 2018-11-23 |
Family
ID=64305768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810842909.XA Pending CN108857494A (en) | 2018-07-27 | 2018-07-27 | A kind of fixture for milling shift fork end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108857494A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204248478U (en) * | 2014-11-13 | 2015-04-08 | 重庆联合机器制造有限公司 | Camshaft Key Seat processing milling machine fixture |
| CN206343675U (en) * | 2016-12-29 | 2017-07-21 | 安徽工程大学 | A kind of shift fork Drilling operation special fixture |
| CN107263151A (en) * | 2017-06-27 | 2017-10-20 | 太仓圣广仁自动化设备有限公司 | A kind of milling shaft end groove fixture |
| CN107363591A (en) * | 2017-09-14 | 2017-11-21 | 郑州大学 | A kind of novel linkage shift fork slabbing fixture |
| CN206952224U (en) * | 2017-03-31 | 2018-02-02 | 江苏建筑职业技术学院 | Fixture for shift fork drilling |
-
2018
- 2018-07-27 CN CN201810842909.XA patent/CN108857494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204248478U (en) * | 2014-11-13 | 2015-04-08 | 重庆联合机器制造有限公司 | Camshaft Key Seat processing milling machine fixture |
| CN206343675U (en) * | 2016-12-29 | 2017-07-21 | 安徽工程大学 | A kind of shift fork Drilling operation special fixture |
| CN206952224U (en) * | 2017-03-31 | 2018-02-02 | 江苏建筑职业技术学院 | Fixture for shift fork drilling |
| CN107263151A (en) * | 2017-06-27 | 2017-10-20 | 太仓圣广仁自动化设备有限公司 | A kind of milling shaft end groove fixture |
| CN107363591A (en) * | 2017-09-14 | 2017-11-21 | 郑州大学 | A kind of novel linkage shift fork slabbing fixture |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
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| RJ01 | Rejection of invention patent application after publication |