CN108747475A - Reliable efficient fixture - Google Patents
Reliable efficient fixture Download PDFInfo
- Publication number
- CN108747475A CN108747475A CN201810629160.0A CN201810629160A CN108747475A CN 108747475 A CN108747475 A CN 108747475A CN 201810629160 A CN201810629160 A CN 201810629160A CN 108747475 A CN108747475 A CN 108747475A
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- cam
- pressing plate
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- spring
- mounting base
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- 238000003825 pressing Methods 0.000 claims abstract description 117
- 230000006835 compression Effects 0.000 claims abstract description 44
- 238000007906 compression Methods 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 17
- 230000001174 ascending effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of reliable efficient fixture, main points are：Including positioning compression cam, pressing plate translating cam, running fix component, locating piece, cam mounting bracket, Anchor plate kit and operation handle.Pressing plate translating cam is rotatably arranged on cam mounting bracket, and pivot center is vertically to setting.Running fix component includes mobile mounting base and float top board.2 float top boards are symmetricly set on two ends of the U-shaped of mobile mounting base.2 float top boards are hinged in mobile mounting base.It is rotated by operation handle band dynamic pressure plate translating cam, driving Anchor plate kit moves left and right.Positioning compression cam is sequentially connected with pressing plate translating cam, is moved left and right by the mobile mounting base of the dynamic driving running fix component of positioning compression cam, to which workpiece compression is located in locating piece by float top board.By positioning compression actuated by cams Anchor plate kit by workpiece fixation pressed from above.
Description
Technical field
It is specifically a kind of for fixed to having clamping for rectangular workpiece the present invention relates to tooling and fixture technical field
Reliable efficient fixture.
Background technology
Shape rule（Such as square, cuboid and cylinder）Part be widely used in practice in engineering, itself plus
During work（Example drilling processing, boring processing etc.）, simple using the right-angle side positioning of part, the fixture scheme of upper flat grip
Reliably, application is wider.Workpiece need to such as be put to workbench using manual clamping workpiece, makes the right-angle side and stationary positioned block of workpiece
Right-angle side reliable contacts（Apply certain active force with hand）, at this time hand cannot unclamp（Pressing plate may make workpiece when compressing
It is mobile, cause work pieces process to scrap）, pressing plate is moved to above workpiece with another hand, then with spanner workpiece pressing.It is entire to clamp
Process needs three steps, and the labor intensity of worker is big, and clamping efficiency is low, cannot achieve automated production, and easy to produce
Clamping error causes workpiece to be scrapped.There are also the equipment that automatic positioning clamps, but these automatic positioning apparatus for fastening are usually adopted
It is completed jointly with two sets of independent agencies of flat grip mechanism and positioning device, needs two sets of power sources to drive, waste of energy
And occupied space is larger, in the limited difficult arrangement in clamping space, can not complete, and two sets of independent agencies can also be led
The control system of automatic assembly line is caused to become complicated, failure rate improves, and in this case can also result in waste of resources.
Invention content
It is efficient and more energy-efficient for outer with right angle etc. the object of the present invention is to provide a kind of simple in structure
The reliable efficient fixture of the workpiece of shape rule.
Realizing the basic technical scheme of the object of the invention is：A kind of reliable efficient fixture, is structurally characterized in that：Including fixed
Position pressing cam, pressing plate translating cam, running fix component, locating piece, cam mounting bracket, Anchor plate kit and operation handle.Pressure
Plate translating cam is rotatably arranged on cam mounting bracket, and pivot center is vertically to setting.Running fix component includes movement
Mounting base and float top board.Mobile mounting base is steel integral piece.Mobile mounting base be divided into from left to right pressure head mounting portion,
It is oriented to interconnecting piece and drive connection portion.Pressure head mounting portion is in opening to the left U-shaped.Two ends edge of the U-shaped of pressure head mounting portion
It is front and back to horizontally disposed.Interconnecting piece is oriented to be arranged in the right side central of pressure head mounting portion.The section of interconnecting piece is oriented in pros
Shape.Two diagonal lines for being oriented to the square section of interconnecting piece are in horizontal and vertical setting respectively.Drive connection portion is equipped with rolling
Dynamic bearing, rolling bearing are arranged by its inner ring close-fitting in drive connection portion, and the axis of rolling bearing is vertically to being vertically arranged.
The outer ring of rolling bearing and the respective cam surface of positioning compression cam are in rolling contact.Float top board has 2,2 float top boards
Structure it is identical, be all provided with there are two pressure contact portion.2 pressure contact portions of float top board are with by the vertical of the pivot center of float top board
The plane of setting is symmetrical arranged.2 float top boards are symmetricly set on two ends of the U-shaped of mobile mounting base.2 pressures of floating
Head is hinged in mobile mounting base.It is rotated by operation handle band dynamic pressure plate translating cam, driving Anchor plate kit moves left and right.
Positioning compression cam is sequentially connected with pressing plate translating cam, by the mobile installation of the dynamic driving running fix component of positioning compression cam
Seat moves left and right, to which workpiece compression is located in locating piece by float top board.By positioning compression actuated by cams pressing plate group
Part is by workpiece fixation pressed from above.
Technical solution based on above-mentioned basic technical scheme is：Pressing plate translating cam is steel integral piece.Pressing plate moves
Moving cam is divided into translating cam portion and connection axle portion from top to bottom.Translating cam portion is disc cam, the disc cam point
At the first arc section, ascending curve section and the second arc section.Connection axle portion is co-axially located on the downside of disc cam.Wherein 0
Degree to 75 degree be the first arc section, 75 degree to 180 degree be ascending curve section, 180 degree to 290 degree be the second arc section.Manipulator
The axis of handle is arranged along the radially fixed of translating cam portion on the second arc section end in translating cam portion.Cam mounting bracket is left
Portion is equipped with the bearing saddle bore above and below it,.Pressing plate translating cam connects axle portion by it and is installed in cam by being arranged accordingly
Bearing in the bearing saddle bore of frame is rotatably arranged on cam mounting bracket.Positioning compression cam coaxial is arranged in pressing plate translating cam
Connection axle portion lower end on, positioning compression cam by corresponding flat key with connect axle portion be sequentially connected.
Technical solution based on above-mentioned corresponding technical solution is：Positioning compression cam is steel integral piece.Positioning pressure
Tight cam includes convex wheel portion and pressing cam portion.On pressing cam portion is arranged on the upside of convex wheel portion.Convex wheel portion
For disc cam, pressing cam portion is edge cam, and the disc cam and edge cam are coaxial.The start angle of edge cam
Position it is identical as the position of the start angle of disc cam.It is 0 degree of starting with Y-axis positive axis, 20 degree are end clockwise
The start angle of face cam and disc cam.It is divided into extension section and hold-down segment after disc cam expansion, wherein before 0 degree is to 70 degree
Section is stretched, 75 degree to 360 degree are hold-down segment.The lift angle of extension section rises along clockwise direction.It is divided into first after edge cam expansion
Horizontal segment, ascent stage, the second horizontal segment and third horizontal segment, wherein 0 degree is first horizontal segment to 180 degree, 180 degree is to 265 degree
For the ascent stage, 265 degree to 310 degree are the second horizontal segment, and 310 degree to 360 are third horizontal segment.The lift angle β of ascent stage be 3 degree extremely
8 degree, the lift angle of ascent stage rises along clockwise direction.
Technical solution based on above-mentioned corresponding technical solution is：Locating piece is steel integral piece.Locating piece is equipped with phase
It is adjacent in the positioning surface being arranged in a mutually vertical manner.Locating piece is fixed on corresponding workbench, and positioning surface is towards right.
Technical solution based on above-mentioned corresponding technical solution is：It further include resetting apparatus.Anchor plate kit include pressing plate,
Pressure head, mandril, pressing plate seat, holding nut, resetting spring, tension spring bar and tension spring.Pressing plate right end tight fit has on the right side of protrusion pressing plate
The contact steel ball in face.Contact steel ball is in contact with the cam face of the disc cam in the translating cam portion of pressing plate translating cam.Pressure
The downside right part of plate is equipped with the mandril slot that Open Side Down.The middle part of pressing plate is equipped with the oval adjustment hole above and below it.Oval tune
The top of knothole is equipped with chamfering.The tension spring rod aperture being equipped in the middle part of pressing plate before and after it.Tension spring bar, which is threadedly coupled, to be arranged in tension spring
In rod aperture, rear and front end is located at outside pressing plate.On pressure head is hingedly connected on the downside of the left end of pressing plate.Pressing plate seat, which is equipped with, to be open to the left
The spring base hole of pilot hole and opening to the right, pilot hole is coaxial with spring base hole and is connected.The cross sectional shape of pilot hole and shifting
The square section of the guiding interconnecting piece of dynamic mounting base is corresponding, and the guiding interconnecting piece of mobile mounting base is slidably arranged in pressing plate seat
Pilot hole in.The corresponding portion of holding nut screws after the oval adjustment hole of pressing plate be fixed on pressing plate seat from the top down
On.It is equipped with spheric washer between on the upside of holding nut top and pressing plate, the spherical surface of spheric washer and the oval adjustment hole of pressing plate
Chamfering matches.Resetting spring is arranged between the downside of pressing plate and pressing plate seat, is in compressive state.Tension spring has 2,2 drawings
Spring is separately positioned on the front and rear sides of pressing plate, and the rear and front end of one end of 2 tension springs respectively with tension spring bar is fixedly linked, the other end
It is connected with the tension spring bar for being arranged in cam mounting bracket front and rear sides.Resetting apparatus includes compressed spring, spring base and clamp spring.Compression
Spring is arranged in the spring base hole of pressing plate seat, and the corresponding site of the guiding interconnecting piece of mobile mounting base is located in compressed spring.
Spring base is arranged by clamp spring in the drive connection portion of mobile mounting base, is limited from right side to compressed spring, makes compression
Spring is in compressive state.Cam mounting bracket left part is additionally provided with the jogger hole above and below it, and jogger hole is located at bearing saddle bore
Left side.Interference fit has bushing in jogger hole.The position of jogger hole is corresponding with the pressing cam portion of positioning compression cam.Mandril
It is slidably arranged in the bushing in the jogger hole of cam mounting bracket.The lower end of mandril and the pressing cam portion of positioning compression cam
The cam face of edge cam is in contact.The upper end of mandril is slidably arranged in the mandril slot of pressing plate.
The present invention has the effect of positive：（1）The configuration of the present invention is simple, it is ingenious in design, using manual operation, not only save
Can, and save space.Workpiece is placed between locating piece and mobile mounting base, can be completed by once rotating operation handle
The movement of mobile mounting base（Workpiece is located in locating piece）, pressing plate movement（Pressure head is set to be located above workpiece）And compression
（Pressure head is set to compress workpiece）Three actions, clamping efficiency greatly improve.The float top board of running fix component is hinged on movement
In mounting base, float top board is equipped with 2 pressure contact portions, to can guarantee two right-angle sides of workpiece（Face）Positioning surface with locating piece can
The contact leaned on, good reliability.
（2）The pressing plate of the present invention can move left and right, and be easily installed and removed workpiece.
（3）The compressed spring of the resetting apparatus of the present invention can not only be such that mobile mounting base resets, and can also pass through spring
Power makes the pressure that mobile mounting base is kept constant.
（4）The pressure head of the present invention is hingedly connected on pressing plate, and so as to be in contact completely with workpiece, it is good to compress effect.
（5）Other manner can also be used as power source, such as pneumatic, electronic and hydraulic pressure mode in the present invention.
Description of the drawings
Fig. 1 is that the reliable efficient fixture of the present invention is in structural schematic diagram when clamping work status；
Fig. 2 is that Fig. 1 removes the schematic top plan view after running fix component；
The A for the part that Fig. 3 is Fig. 1 is to schematic diagram；
Fig. 4 is the structural schematic diagram of the positioning compression cam in Fig. 2；
Fig. 5 is the elevational schematic view of Fig. 4；
Fig. 6 is the left view schematic diagram of Fig. 4；
Fig. 7 is the B-B schematic cross-sectional views in Fig. 4；
Fig. 8 is the expanded view of the disc cam of positioning compression cam；
Fig. 9 is the expanded view of the edge cam of positioning compression cam；
Figure 10 is the schematic diagram of the pressing plate translating cam in Fig. 1；
The schematic diagram of pressing plate translating cam present position when Figure 11 is workpiece pressing state；
Figure 12 is position view when pressing plate translating cam is in initial state；
Figure 13 is the structural schematic diagram of the running fix component in Fig. 3；
Figure 14 is the elevational schematic view of Figure 13；
Figure 15 is the C-C schematic cross-sectional views in Figure 14；
Figure 16 is the enlarged diagram of the cam mounting bracket in Fig. 2；
Figure 17 is the enlarged diagram of the cam mounting bracket in Fig. 1；
The schematic diagram of the mounting base of Anchor plate kit when Figure 18 is from the left of Fig. 1；
Figure 19 is the schematic top plan view of Figure 18；
Figure 20 is the schematic diagram of the pressing plate in Fig. 1；
Figure 21 is the schematic top plan view of Figure 20.
Label in above-mentioned attached drawing is as follows：
Positioning compression cam 1,
Convex wheel portion 11, protract section 11-1, hold-down segment 11-2,
Pressing cam portion 12, first horizontal segment 12-1, ascent stage 12-2, the second horizontal segment 12-3, third horizontal segment 12-4,
Pressing plate translating cam 2,
Translating cam portion 21, the first arc section 21-1, ascending curve section 21-2, the second arc section 21-3,
Axle portion 22 is connected,
Running fix component 3,
Mobile mounting base 31, pressure head mounting portion 31-1 are oriented to interconnecting piece 31-2, drive connection portion 31-3,
Float top board 32, pressure contact portion 32-1,
Rolling bearing 33,
Locating piece 4, positioning surface 41,
Cam mounting bracket 5, bearing saddle bore 51, jogger hole 52,
Anchor plate kit 6, pressing plate 61 contact steel ball 61-1, mandril slot 61-2, oval adjustment hole 61-3, chamfering 61-3a, tension spring bar
Hole 61-4,
Pressure head 62, mandril 63, pressing plate seat 64, holding nut 65, resetting spring 66, tension spring bar 67, tension spring 68, spheric washer 69,
Resetting apparatus 7, compressed spring 71, spring base 72, clamp spring 73,
Operation handle 8.
Specific implementation mode
The description in the orientation of the present invention is carried out according to orientation shown in FIG. 1 namely direction up and down shown in FIG. 1 is
One side in the direction up and down of description, court of Fig. 1 institutes is front, and the side away from Fig. 1 is rear.
（Embodiment 1）
See that Fig. 1 to Figure 21, reliable efficient fixture of the invention include positioning compression cam 1, pressing plate translating cam 2, move and determine
Hyte part 3, locating piece 4, cam mounting bracket 5, Anchor plate kit 6 and operation handle 7.
See that Fig. 1 to Fig. 9, positioning compression cam 1 are steel integral piece.Positioning compression cam 1 includes 11 He of convex wheel portion
Pressing cam portion 12.The setting of pressing cam portion 12 is on 11 upside of convex wheel portion.Convex wheel portion 11 is disc cam, is compressed
Cam part 12 is edge cam, and the disc cam and edge cam are coaxial.The position of the start angle of edge cam and dish type
The position of the start angle of cam is identical.It is 0 degree of starting with Y-axis positive axis, 20 degree are edge cam and dish type clockwise
The start angle of cam.It is divided into extension section 11-1 and hold-down segment 11-2 after disc cam expansion, wherein 0 degree to 70 degree is extension section
11-1,75 degree to 360 degree are hold-down segment 11-2.The lift angle of extension section 11-1 rises along clockwise direction.After edge cam expansion
It is divided into first horizontal segment 12-1, ascent stage 12-2, the second horizontal segment 12-3 and third horizontal segment 12-4, wherein 0 degree is to 180 degree
First horizontal segment 12-1,180 degree to 265 degree be ascent stage 12-2,265 degree to 310 degree be the second horizontal segment 12-3,310 degree are extremely
360 be third horizontal segment 12-4.The height of third horizontal segment 12-4 is identical as the height of first horizontal segment 12-1.Ascent stage 12-2
Lift angle β be 3 degree to 8 degree, the present embodiment be 5 degree, the lift angle of ascent stage 12-2 rises along clockwise direction.
Fig. 1, Fig. 2 and Figure 10 are seen to Figure 12, and pressing plate translating cam 2 is steel integral piece.Pressing plate translating cam 2 is from top to bottom
It is divided into translating cam portion 21 and connection axle portion 22.Translating cam portion 21 is disc cam, which is divided into the first circle
Segmental arc 21-1, ascending curve section 21-2 and the second arc section 21-3.Connection axle portion 22 is co-axially located on the downside of disc cam.
It is 0 degree of starting to bear semiaxis with X-axis, counterclockwise calculates angle, wherein 0 degree to 75 degree is the first arc section 21-1,75 degree extremely
180 degree be ascending curve section 21-2,180 degree to 290 degree be the second arc section 21-3.The axis of operation handle 8 is along translating cam
The radially fixed of portion 21 is arranged on second ends arc section 21-3 in translating cam portion 21.
Fig. 1 to Fig. 3 and Figure 13 are seen to Figure 15, and running fix component 3 includes mobile mounting base 31 and float top board 32.It is mobile
Mounting base 31 is steel integral piece.Mobile mounting base 31 is divided into pressure head mounting portion 31-1, is oriented to interconnecting piece 31- from left to right
2 and drive connection portion 31-3.Pressure head mounting portion 31-1 is in opening to the left U-shaped.Two ends of the U-shaped of pressure head mounting portion 31-1
Along front and back to horizontally disposed.Interconnecting piece 31-2 is oriented to be arranged in the right side central of pressure head mounting portion 31-1.It is oriented to interconnecting piece 31-
2 section is square.Two diagonal lines for being oriented to the square section of interconnecting piece 31-2 are in horizontal and vertical setting respectively.It passes
Rotation connection 31-3 is equipped with rolling bearing 33, and rolling bearing 33 is arranged by its inner ring close-fitting on drive connection portion 31-3, rolling
The axis of dynamic bearing 33 is vertically to being vertically arranged.The outer ring of rolling bearing 33 is convex with the disc cam of positioning compression cam 1
Wheel surface is in rolling contact.Float top board 32 has 2, and the structure of 2 float top boards 32 is identical, is all provided with there are two pressure contact portion 32-1.2
A float top board 32 is symmetricly set on two ends of the U-shaped of mobile mounting base 31.2 float top boards 32 are hinged on movement
In mounting base 31.2 pressure contact portion 32-1 of float top board 32 are with flat by being vertically arranged for the pivot center of float top board 32
Face is symmetrical arranged.
See that Fig. 1 to Fig. 3, locating piece 4 are steel integral piece.Locating piece 4 is equipped with adjacent in the positioning being arranged in a mutually vertical manner
Face 41.Locating piece 4 is fixed on corresponding workbench 10, and positioning surface 41 is towards right.
See that Fig. 1, Fig. 2, Figure 16 and Figure 17,5 left part of cam mounting bracket are equipped with the bearing saddle bore 51 above and below it, cam peace
The jogger hole 52 that 5 left parts are additionally provided with above and below it is shelved, jogger hole 52 is located at the left side of bearing saddle bore 51.Mistake in jogger hole 52
It is full of and is combined with bushing 53.Pressing plate translating cam 2 connects axle portion 22 by the way that the bearing block in cam mounting bracket 5 is arranged accordingly by it
Bearing in hole 51 is rotatably arranged on cam mounting bracket 5.Positioning compression cam 1 is co-axially located at the company of pressing plate translating cam 2
On the lower end in spindle portion 22, positioning compression cam 1 is sequentially connected by corresponding flat key with axle portion 22 is connect.The position of jogger hole 52
It sets corresponding with the pressing cam portion 12 of positioning compression cam 1.Cam mounting bracket 5 is fixed on corresponding workbench 10,
The axis of the bearing saddle bore 51 of cam mounting bracket 5, the axis of jogger hole 52 and 2 positioning surfaces 41 of locating piece 4 intersection same
In one plane being vertically arranged.
Fig. 1, Fig. 2 and Figure 18 are seen to Figure 21, and Anchor plate kit 6 includes pressing plate 61, pressure head 62, mandril 63, pressing plate seat 64, support
Nut 65, resetting spring 66, tension spring bar 67 and tension spring 68.61 right end tight fit of pressing plate has the contact steel of 61 right side of protrusion pressing plate
Ball 61-1.Contact steel ball 61-1 is in contact with the cam face of the disc cam in the translating cam portion 21 of pressing plate translating cam 2.Pressure
The downside right part of plate 61 is equipped with the mandril slot 61-2 that Open Side Down.The middle part of pressing plate 61 is equipped with the oval adjustment hole above and below it
61-3.The top of oval adjustment hole 61-3 is equipped with chamfering 61-3a.61 middle part of pressing plate is equipped with the tension spring rod aperture 61- before and after it
4.Tension spring bar 67, which is threadedly coupled, to be arranged in tension spring rod aperture 61-4, and rear and front end is located at outside pressing plate 61.Pressure head 62 is hingedly connected to
On on the downside of the left end of pressing plate 61.Mandril 63 is slidably arranged in the bushing 53 in the jogger hole 52 of cam mounting bracket 5.Mandril 63
Lower end is in contact with the cam face of the edge cam in the pressing cam portion 12 of positioning compression cam 1.It slides the upper end of mandril 63
It is arranged in the mandril slot 61-2 of pressing plate 61.Pressing plate seat 64 is equipped with the spring base of pilot hole 64-1 and opening to the right of opening to the left
Hole 64-2, pilot hole 64-1 and spring base hole 64-2 are coaxial and are connected.The cross sectional shape of pilot hole 64-1 and mobile mounting base
31 square section for being oriented to interconnecting piece 31-2 is corresponding, and the guiding interconnecting piece 31-2 of mobile mounting base 31 is slidably arranged in pressure
In the pilot hole 64-1 of panel seat 64.After the corresponding portion of holding nut 65 passes through the oval adjustment hole 61-3 of pressing plate 61 from the top down
It screws and is fixed on pressing plate seat 64.65 top of holding nut and pressing plate are equipped with spheric washer 69, spheric washer 69 between 61 upside
Spherical surface matched with the chamfering of the oval adjustment hole 61-3 of pressing plate 61.Resetting spring 66 is arranged in the downside of pressing plate 61 and pressing plate
Between seat 64, it is in compressive state.Tension spring 68 has 2, and 2 tension springs 68 are separately positioned on the front and rear sides of pressing plate 61,2 tension springs
Rear and front end of 68 one end respectively with tension spring bar 67 is fixedly linked, and the other end and is arranged in 5 front and rear sides of cam mounting bracket
Tension spring bar is connected.
See that Fig. 1 and Fig. 2, resetting apparatus 7 include compressed spring 71, spring base 72 and clamp spring 73.The setting of compressed spring 71 exists
In the spring base hole 64-2 of pressing plate seat 64, the corresponding site of the guiding interconnecting piece 31-2 of mobile mounting base 31 is located at compressed spring 71
In.Spring base 72 is arranged by clamp spring 73 on the drive connection portion 31-3 of mobile mounting base 31, from right side to compressed spring 71
It is limited, compressed spring 71 is made to be in compressive state.
When the reliable efficient fixture of the present invention uses：Workpiece 100 to be positioned is placed in running fix component 3 and positioning
Between block 4, operation handle 8 is then pulled clockwise, it is fixed that operation handle 8 is driven by the connection axle portion 22 of pressing plate translating cam 2
Position pressing cam 1 rotates.Operation handle 8 is before rotating through 70 degree.The convex wheel portion 11 of positioning compression cam 1 passes through the axis of rolling
It holds 33 to push up mobile mounting base 31 to the left, when operation handle 8 is after rotating through 70 degree, float top board 32 is by workpiece 100 to be positioned
Clamping and positioning is in locating piece 4.When operation handle 8 is after rotating through 75 degree, the translating cam portion 21 of pressing plate translating cam 2 passes through
Contact steel ball 61-1 pushes up pressing plate 61 to the left, so that pressure head 62 is moved to the top of workpiece 100 to be positioned, when operation handle 8 is being revolved
After turning over 180 degree, the stopping of pressing plate 61 moves downward.When operation handle 8 is after rotating through 180 degree, the compression of positioning compression cam 1
Cam part 12 pushes up mandril 63 upwards, and according to lever principle, pressure head 62 moves downward, and rotation process handle 8 is until by workpiece 100
It is fixed.When needing to take out the workpiece 100, operation handle 8 is pulled counterclockwise, and resetting spring 66 makes pressure head 62 be detached from workpiece
100, tension spring 68 pulls pressing plate 61 to move right and leaves 100 top of workpiece, and compressed spring 71 makes mobile mounting base 31 move right,
Workpiece 100 is unclamped, so as to take out workpiece 100 from locating piece 4.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field
Member without departing from the spirit and scope of the present invention, can also make various transformation and variation, during concrete application
It can also be accordingly transformed according to the inspiration of above-described embodiment, therefore all equivalent technical solutions should be included into this hair
Within bright scope of patent protection.
Claims (5)
1. a kind of reliable efficient fixture, it is characterised in that：Including positioning compression cam, pressing plate translating cam, running fix group
Part, locating piece, cam mounting bracket, Anchor plate kit and operation handle；Pressing plate translating cam is rotatably arranged on cam mounting bracket,
Pivot center is vertically to setting；Running fix component includes mobile mounting base and float top board；Mobile mounting base is steel one
Body part；Mobile mounting base is divided into pressure head mounting portion, is oriented to interconnecting piece and drive connection portion from left to right；Pressure head mounting portion is in
Opening to the left U-shaped；Two ends of the U-shaped of pressure head mounting portion are along front and back to horizontally disposed；Interconnecting piece is oriented to be arranged in pressure head
In the right side central of mounting portion；The section for being oriented to interconnecting piece is square；Be oriented to the square section of interconnecting piece two are diagonal
Line is in horizontal and vertical setting respectively；Drive connection portion is equipped with rolling bearing, and rolling bearing is being passed by the setting of its inner ring close-fitting
In rotation connection, the axis of rolling bearing is vertically to being vertically arranged；The outer ring of rolling bearing is corresponding to positioning compression cam
Cam face is in rolling contact；Float top board has 2, and the structure of 2 float top boards is identical, is all provided with there are two pressure contact portion；It floats and presses
2 pressure contact portions of head by the plane of the pivot center of float top board being vertically arranged to be symmetrical arranged；2 float top boards are symmetrical
It is arranged on two ends of the U-shaped of mobile mounting base；2 float top boards are hinged in mobile mounting base；By operation handle
Band dynamic pressure plate translating cam rotates, and driving Anchor plate kit moves left and right；Positioning compression cam is sequentially connected with pressing plate translating cam,
Moved left and right by the mobile mounting base of the dynamic driving running fix component of positioning compression cam, to by float top board by workpiece pressure
Tightly it is located in locating piece；By positioning compression actuated by cams Anchor plate kit by workpiece fixation pressed from above.
2. reliable efficient fixture according to claim 1, it is characterised in that：Pressing plate translating cam is steel integral piece；
Pressing plate translating cam is divided into translating cam portion and connection axle portion from top to bottom；Translating cam portion is disc cam, the dish type
Cam is divided into the first arc section, ascending curve section and the second arc section；Connection axle portion is co-axially located on the downside of disc cam；
Wherein 0 degree to 75 degree be the first arc section, 75 degree to 180 degree be ascending curve section, 180 degree to 290 degree be the second arc section；Behaviour
The axis for making handle is arranged along the radially fixed of translating cam portion on the second arc section end in translating cam portion；Cam is installed
Frame left part is equipped with the bearing saddle bore above and below it,；Pressing plate translating cam connects axle portion by being arranged accordingly in cam by it
Bearing in the bearing saddle bore of mounting bracket is rotatably arranged on cam mounting bracket；The setting of positioning compression cam coaxial is moved in pressing plate
On the lower end of the connection axle portion of cam, positioning compression cam is sequentially connected by corresponding flat key with axle portion is connect.
3. reliable efficient fixture according to claim 2, it is characterised in that：Positioning compression cam is steel integral piece；
Positioning compression cam includes convex wheel portion and pressing cam portion；On pressing cam portion is arranged on the upside of convex wheel portion；Positioning
Cam part is disc cam, and pressing cam portion is edge cam, and the disc cam and edge cam are coaxial；Edge cam rises
The position of beginning angle is identical as the position of the start angle of disc cam；It is 0 degree of starting, clockwise direction 20 with Y-axis positive axis
Degree is the start angle of edge cam and disc cam；It is divided into extension section and hold-down segment after disc cam expansion, wherein 0 degree to 70
Degree is extension section, and 75 degree to 360 degree are hold-down segment；The lift angle of extension section rises along clockwise direction；Divide after edge cam expansion
At first horizontal segment, ascent stage, the second horizontal segment and third horizontal segment, wherein 0 degree is first horizontal segment to 180 degree, 180 degree is extremely
265 degree are the ascent stage, and 265 degree to 310 degree are the second horizontal segment, and 310 degree to 360 are third horizontal segment；The lift angle β of ascent stage is
3 degree to 8 degree, the lift angle of ascent stage rises along clockwise direction.
4. reliable efficient fixture according to claim 2 or 3, it is characterised in that：Locating piece is steel integral piece；Positioning
Block is equipped with adjacent in the positioning surface being arranged in a mutually vertical manner；Locating piece is fixed on corresponding workbench, positioning surface court
To the right.
5. reliable efficient fixture according to claim 2 or 3, it is characterised in that：It further include resetting apparatus；Anchor plate kit
Including pressing plate, pressure head, mandril, pressing plate seat, holding nut, resetting spring, tension spring bar and tension spring；Pressing plate right end tight fit has protrusion
The contact steel ball of pressing plate right side；Contact the cam face phase of steel ball and the disc cam in the translating cam portion of pressing plate translating cam
Contact；The downside right part of pressing plate is equipped with the mandril slot that Open Side Down；The middle part of pressing plate is equipped with the oval adjustment hole above and below it；
The top of oval adjustment hole is equipped with chamfering；The tension spring rod aperture being equipped in the middle part of pressing plate before and after it；Tension spring bar is threadedly coupled setting
In tension spring rod aperture, rear and front end is located at outside pressing plate；On pressure head is hingedly connected on the downside of the left end of pressing plate；Pressing plate seat is equipped with opening
The spring base hole of pilot hole and opening to the right to the left, pilot hole is coaxial with spring base hole and is connected；The section shape of pilot hole
Shape is corresponding with the mobile guiding square section of interconnecting piece of mounting base, and the guiding interconnecting piece of mobile mounting base is slidably arranged in
In the pilot hole of pressing plate seat；The corresponding portion of holding nut screws after the oval adjustment hole of pressing plate be fixed on pressure from the top down
On panel seat；Spheric washer is equipped between on the upside of holding nut top and pressing plate, the spherical surface of spheric washer and the oval of pressing plate are adjusted
The chamfering in hole matches；Resetting spring is arranged between the downside of pressing plate and pressing plate seat, is in compressive state；Tension spring has 2, and 2
A tension spring is separately positioned on the front and rear sides of pressing plate, and the rear and front end of one end of 2 tension springs respectively with tension spring bar is fixedly linked, separately
One end is connected with the tension spring bar for being arranged in cam mounting bracket front and rear sides；Resetting apparatus includes compressed spring, spring base and clamp spring；
Compressed spring is arranged in the spring base hole of pressing plate seat, and the corresponding site of the guiding interconnecting piece of mobile mounting base is located at compressed spring
In；Spring base is arranged by clamp spring in the drive connection portion of mobile mounting base, is limited from right side to compressed spring, makes pressure
Contracting spring is in compressive state；Cam mounting bracket left part is additionally provided with the jogger hole above and below it, and jogger hole is located at bearing saddle bore
Left side；Interference fit has bushing in jogger hole；The position of jogger hole is corresponding with the pressing cam portion of positioning compression cam；Top
Bar is slidably arranged in the bushing in the jogger hole of cam mounting bracket；The lower end of mandril and the pressing cam portion of positioning compression cam
The cam face of edge cam be in contact；The upper end of mandril is slidably arranged in the mandril slot of pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810629160.0A CN108747475B (en) | 2018-06-19 | 2018-06-19 | Reliable efficient fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810629160.0A CN108747475B (en) | 2018-06-19 | 2018-06-19 | Reliable efficient fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108747475A true CN108747475A (en) | 2018-11-06 |
| CN108747475B CN108747475B (en) | 2019-10-11 |
Family
ID=63978902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810629160.0A Expired - Fee Related CN108747475B (en) | 2018-06-19 | 2018-06-19 | Reliable efficient fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108747475B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673188A (en) * | 2018-06-19 | 2018-10-19 | 常州信息职业技术学院 | Right angle positioning fixture |
| CN112276220A (en) * | 2020-10-28 | 2021-01-29 | 中国航发贵州黎阳航空动力有限公司 | A compress tightly frock for aeroengine low pressure turbine dish |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990551A (en) * | 2012-11-17 | 2013-03-27 | 常州信息职业技术学院 | Multifunctional workpiece holder |
| CN104416391A (en) * | 2013-09-03 | 2015-03-18 | 西安志越机电科技有限公司 | Eccentric wheel clamping fixture |
| CN107470935A (en) * | 2017-07-31 | 2017-12-15 | 常州信息职业技术学院 | The fixture of multiple spot clamping |
| CN107775393A (en) * | 2017-10-31 | 2018-03-09 | 常州信息职业技术学院 | Eccentric clamping device |
-
2018
- 2018-06-19 CN CN201810629160.0A patent/CN108747475B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990551A (en) * | 2012-11-17 | 2013-03-27 | 常州信息职业技术学院 | Multifunctional workpiece holder |
| CN104416391A (en) * | 2013-09-03 | 2015-03-18 | 西安志越机电科技有限公司 | Eccentric wheel clamping fixture |
| CN107470935A (en) * | 2017-07-31 | 2017-12-15 | 常州信息职业技术学院 | The fixture of multiple spot clamping |
| CN107775393A (en) * | 2017-10-31 | 2018-03-09 | 常州信息职业技术学院 | Eccentric clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673188A (en) * | 2018-06-19 | 2018-10-19 | 常州信息职业技术学院 | Right angle positioning fixture |
| CN108673188B (en) * | 2018-06-19 | 2019-10-25 | 常州信息职业技术学院 | Right angle positioning fixture |
| CN112276220A (en) * | 2020-10-28 | 2021-01-29 | 中国航发贵州黎阳航空动力有限公司 | A compress tightly frock for aeroengine low pressure turbine dish |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108747475B (en) | 2019-10-11 |
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Granted publication date: 20191011 |