CN108637726A - A kind of CNC milling machine General positioning fixture - Google Patents

A kind of CNC milling machine General positioning fixture Download PDF

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Publication number
CN108637726A
CN108637726A CN201810475391.0A CN201810475391A CN108637726A CN 108637726 A CN108637726 A CN 108637726A CN 201810475391 A CN201810475391 A CN 201810475391A CN 108637726 A CN108637726 A CN 108637726A
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CN
China
Prior art keywords
pedestal
leading screw
sliding block
screw
support plate
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.)
Granted
Application number
CN201810475391.0A
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Chinese (zh)
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CN108637726B (en
Inventor
温晓妮
于海青
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.)
Chongqing Tuoling Auto Parts Co ltd
Shanghai Yuanbao Industrial Design Co ltd
Original Assignee
Yantai Engineering and Technology College
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Priority to CN201810475391.0A priority Critical patent/CN108637726B/en
Publication of CN108637726A publication Critical patent/CN108637726A/en
Application granted granted Critical
Publication of CN108637726B publication Critical patent/CN108637726B/en
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    • 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
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • 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
    • B23Q3/18Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a kind of CNC milling machine General positioning fixtures, relate generally to mechanical manufacturing field.Including pedestal, the bottom of the pedestal is equipped with cavity, middle part in the cavity is equipped with leading screw, one end of the protruding pedestal of leading screw is equipped with splined shaft, the both sides of the leading screw are equipped with inclined shore bar, the inclined shore bar is equipped with sliding block, the leading screw is equipped with screw, the both sides of the screw are equipped with guide rod, the sliding block is equipped with the through hole being adapted with guide rod, the top vertical of the sliding block is equipped with riser, the riser is equipped with fixture block close to the side of leading screw, the bottom symmetrical of the fixture block is equipped with T-type sliding block, the bottom surface of the T-type sliding block and the top surface of sliding block are located in same level, one end between two fixture blocks is equipped with locating piece.The beneficial effects of the present invention are:The Set and Positioning of workpiece can be quickly finished, can be reduced to knife number, avoids squeezing and hinders workpiece, ensure processing quality, improve working efficiency.

Description

A kind of CNC milling machine General positioning fixture
Technical field
The present invention relates to mechanical manufacturing field, specifically a kind of CNC milling machine General positioning fixture.
Background technology
Currently, existing CNC milling machine mostly uses bench vice as universal fixturing, using bench vice by various types of workpiece It is clamped on the workbench of CNC milling machine and is processed, and existing bench vice is often using one activity folder of a fixing clip Block completes the clamping of workpiece, and when processing different workpiece, the coordinate system on CNC milling machine is different, before process different workpieces It is both needed to carry out to knife, to determine that coordinate system, CNC milling machine occupy a large amount of time to knife, seriously affected working efficiency, And when the workpiece that the material is soft such as aluminium are clamped with bench vice, are easy to crush workpiece, cause workpiece local deformation, it influences to process matter Amount.
Invention content
It is an object of the invention to solve problems of the prior art, providing a kind of can quickly finish workpiece Set and Positioning can be reduced to knife number, avoided squeezing and hindered workpiece, ensure processing quality, the CNC milling machine for improving working efficiency is logical Use positioning fixture.
The present invention to achieve the above object, is achieved through the following technical solutions:
The bottom of a kind of CNC milling machine General positioning fixture, including pedestal, the both ends of the pedestal is equipped with connecting plate, described Connecting plate is equipped with connecting screw, and the bottom of the pedestal is equipped with cavity, and the middle part in the cavity is equipped with leading screw, the leading screw It is connect with base rotation and the protruding pedestal in one end of leading screw, one end of the protruding pedestal of leading screw is equipped with splined shaft, Side of the splined shaft far from leading screw is equipped with the first support plate, and first support plate is equipped with close to the side of pedestal and spline The adaptable spline housing of axis, the spline housing are slidably connected with splined shaft, and first support plate is set close to the side of spline housing There are holddown spring, one end of the holddown spring to be abutted with the first support plate, the other end is abutted with pedestal, first support plate Side far from spline housing is equipped with friction plate, and the friction plate is fixedly connected with the first support plate, and the friction plate is far from first The side of support plate is equipped with flywheel, and the friction plate is abutted with flywheel, and side of the flywheel far from friction plate is equipped with motor, institute It states motor to connect with flywheel, the pedestal is equipped with the mounting bracket being adapted with motor, and the both sides of the leading screw are equipped with Inclined shore bar, the axial line of two inclined shore bars and the axial line of leading screw are located in same level, the inclination Supporting rod is minimum close to the distance between one end of splined shaft and leading screw, and the inclined shore bar is equipped with sliding block, the sliding block It is slidably connected with inclined shore bar, the leading screw is equipped with screw, and the both sides of the screw are equipped with guide rod, on the sliding block Equipped with the through hole being adapted with guide rod, the guide rod is slidably connected with through hole, and the top vertical of the sliding block is equipped with Riser, the riser are fixedly connected with a slide block, and the riser is parallel with leading screw, and the riser is equipped with folder close to the side of leading screw Block, the fixture block are located at the top of pedestal, and the bottom symmetrical of the fixture block is equipped with T-type sliding block, and the top of the pedestal is equipped with and T The adaptable sliding slot of type sliding block, the sliding slot are connected to cavity, and the bottom surface of the T-type sliding block and the top surface of sliding block are located at same water In plane, one end between two fixture blocks is equipped with locating piece.
The outer wall of the pedestal be equipped with thread bush, the leading screw pass through thread bush it is protruding, the thread bush it is interior Diameter is more than the outer diameter of leading screw, and the thread bush is equipped with the adjusting nut being adapted with holddown spring.
The adjusting nut is equipped with baffle ring close to one end of holddown spring, and the baffle ring is slidably connected with thread bush.
It is inlaid with the first magnet on the riser, the second magnetic being adapted with the first magnet is inlaid on the T-type sliding block Iron.
The top array of the pedestal is set there are three benchmark column.
The prior art is compared, the beneficial effects of the present invention are:
The present invention guide rod be inserted through in hole, can prevent screw from rotating, leading screw rotation can drive screw along Leading screw moves, and guide rod slides in through hole, while screw moves, can be moved along inclined shore bar with movable slider, While sliding block is moved along inclined shore bar, the distance between two sliding blocks change, and the distance between two sliding blocks become Hour, T-type sliding block is stirred through riser, the distance between two fixture blocks can be made to become smaller, it can be by piece-holder in two fixture blocks Between, locating piece provides a positioning datum for workpiece, and two fixture blocks are moved to center simultaneously, can be between two fixture blocks Coordinate origin of the intersection point of center line and locating piece as CNC milling machine coordinate system, it is opposite with the coordinate origin of programming coordinates system It answers, the Set and Positioning of workpiece can be quickly finished, can reduce to knife number, improve working efficiency, utilize flywheel and friction Frictional force between piece transmits torque, and the extruding force of holddown spring ensures the torque that can be transmitted between flywheel and friction plate Size, electric motor starting can drive flywheel turns, and flywheel turns can drive the first support plate to rotate, the rotation of the first support plate Leading screw can be driven to rotate, leading screw rotation can drive two fixture block movements, can complete the clamping and release of workpiece, work as motor When the torque of transmission puies forward the size for the torque that can be transmitted more than holddown spring, flywheel cannot then drive the first support plate to turn again Dynamic, the position of fixture block is fixed, and can be prevented from squeezing and be hindered workpiece, ensure processing quality.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the present invention;
Attached drawing 2 is the internal structure schematic diagram of pedestal;
Attached drawing 3 is the vertical view of pedestal.
Attached figure label:1, pedestal;2, connecting plate;3, connecting screw;4, cavity;5, leading screw;6, splined shaft;7, first Support plate;8, spline housing;9, holddown spring;10, friction plate;11, flywheel;12, motor;13, mounting bracket;14, inclined shore bar; 15, sliding block;16, screw;17, guide rod;18, riser;19, fixture block;20, T-type sliding block;21, locating piece;22, thread bush;23、 Adjusting nut;24, baffle ring;25, benchmark column.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
Of the present invention is a kind of CNC milling machine General positioning fixture, including pedestal 1, the bottom at the both ends of the pedestal 1 Equipped with connecting plate 2, the connecting plate 2 is equipped with connecting screw 3, and the present invention is mounted on CNC milling machine by connecting screw 3 On workbench.The bottom of the pedestal 1 is equipped with cavity 4, and the middle part in the cavity 4 is equipped with leading screw 5, the leading screw 5 and pedestal 1 One end of the protruding pedestal 1 in one end of rotation connection and leading screw 5,5 protruding pedestal 1 of the leading screw is equipped with splined shaft 6, institute State side of the splined shaft 6 far from leading screw 5 be equipped with the first support plate 7, first support plate 7 close to the side of pedestal 1 be equipped with The adaptable spline housing 8 of splined shaft 6, the spline housing 8 are slidably connected with splined shaft 6, and spline housing 8 can be slided along splined shaft 6, And torque can be transmitted between spline housing 8 and splined shaft 6.First support plate 7 is equipped with close to the side of spline housing 8 and compresses bullet Spring 9, one end of the holddown spring 9 are abutted with the first support plate 7, and the other end is abutted with pedestal 1, and first support plate 7 is remote Side from spline housing 8 is equipped with friction plate 10, and the friction plate 10 is fixedly connected with the first support plate 7, and the friction plate 10 is remote Side from the first support plate 7 is equipped with flywheel 11, and the friction plate 10 is abutted with flywheel 11, and holddown spring 9 is by the first support plate 7 Push flywheel 11 to so that friction plate 10 is closely abutted with flywheel 11.Side of the flywheel 11 far from friction plate 10 is equipped with motor 12, the motor 12 is sequentially connected with flywheel 11, and motor 12 starts, and flywheel 11 can be driven to rotate.The pedestal 1 be equipped with The adaptable mounting bracket 13 of motor 12, mounting bracket 13 are that motor 12 provides support.Utilize rubbing between flywheel 11 and friction plate 10 Power is wiped to transmit torque, the extruding force of holddown spring 9 ensures the big of the torque that can be transmitted between flywheel 11 and friction plate 10 Small, the startup of motor 12 can drive flywheel 11 to rotate, and the rotation of flywheel 11 can drive the first support plate 7 to rotate, the first support plate 7 Rotation can drive leading screw 5 to rotate, and the rotation of leading screw 5 can drive two fixture blocks 19 to move, and can complete clamping and the pine of workpiece It opens, when the torque that motor 12 transmits puies forward the size for the torque that can be transmitted more than holddown spring 9, flywheel 11 cannot then drive again First support plate 7 rotates, and the position of fixture block 19 is fixed, and can prevent from squeezing and hinder workpiece, ensure processing quality.The two of the leading screw 5 Side is equipped with inclined shore bar 14, and the axial line of two inclined shore bars 14 is located at same level with the axial line of leading screw 5 On face, the inclined shore bar 14 is minimum close to the distance between one end of splined shaft 6 and leading screw 5, the inclined shore bar 14 It is equipped with sliding block 15, the sliding block 15 is slidably connected with inclined shore bar 14, and sliding block 15 can be slided along inclined shore bar 14. The leading screw 5 is equipped with screw 16, and the both sides of the screw 16 are equipped with guide rod 17, and the sliding block 15 is equipped with and guide rod 17 adaptable through holes, the guide rod 17 are slidably connected with through hole, and guide rod 17 can be slided along through hole.Guide rod 17 are inserted through in hole always, can prevent screw 16 from rotating, and the rotation of leading screw 5 can drive screw 16 to be moved along leading screw 5, lead It slides in through hole to bar 17, while screw 16 moves, can be moved along inclined shore bar 14 with movable slider 15.It is described The top vertical of sliding block 15 is equipped with riser 18, and the riser 18 is fixedly connected with sliding block 15, and the riser 18 is parallel with leading screw 5, The riser 18 is equipped with fixture block 19 close to the side of leading screw 5, and the fixture block 19 is located at the top of pedestal 1, the bottom of the fixture block 19 Portion is arranged with T-type sliding block 20, and the top of the pedestal 1 is equipped with the sliding slot being adapted with T-type sliding block 20, the sliding slot and cavity 4 connections, the bottom surface of the T-type sliding block 20 are located at the top surface of sliding block 15 in same level, and sliding block 15 is along inclined shore bar While 14 movement, the distance between two sliding blocks 15 change, and the distance between two sliding blocks 15 become hour, through riser 18 T-type sliding block 20 is stirred, the distance between two fixture blocks 19 can be made to become smaller, it can be by piece-holder between two fixture blocks 19. One end between two fixture blocks 19 is equipped with locating piece 21, and locating piece 21 provides a positioning datum, two fixture blocks for workpiece 19 move to center simultaneously, can be using the intersection point of center line and locating piece 21 between two fixture blocks 19 as CNC milling machine coordinate The coordinate origin of system, it is corresponding with the coordinate origin of programming coordinates system, the Set and Positioning of workpiece, reduction pair can be quickly finished Knife number improves working efficiency.
In order to which the clamping force as needed between even fixture block is adjusted, the outer wall of the pedestal 1 is equipped with screw thread Set 22, the leading screw 5 pass through thread bush 22 protruding, and the internal diameter of the thread bush 22 is more than the outer diameter of leading screw 5, the screw thread Set 22 is equipped with the adjusting nut 23 being adapted with holddown spring 9 can adjust compression by adjusting the position of adjusting nut 23 The original compression amount of spring 9 can adjust the extruding force that holddown spring 9 provides the first support plate 7, can adjust compression bullet The peak torque that spring 9 can be provided, clamping force that can be as needed between even fixture block are adjusted.
For the ease of the size for the peak torque that holddown spring is provided, the adjusting nut 23 is close to holddown spring 9 One end is equipped with baffle ring 24, and the baffle ring 24 is slidably connected with thread bush 22, and holddown spring 9 is not in direct contact with adjusting nut 23, It can be convenient for turning adjusting nut 23, convenient for the size for the peak torque that holddown spring is provided.
Further, for the ease of the folding of fixture block, the first magnet, the T-type sliding block 20 are inlaid on the riser 18 On be inlaid with the second magnet being adapted with the first magnet, using the suction of the first magnet and the second magnet by riser 18 and T-type Sliding block 20 is attached together, and can make T-type sliding block 20 that riser 18 be followed to move, and can be convenient for the folding of fixture block.
Further, in order to reduce the cost of manufacture of the present invention, the top array of the pedestal 1 sets that there are three benchmark columns 25, the top that benchmark column 25 is embedded in pedestal 1 is used as reference plane, can reduce the making range of the reference plane on pedestal 1, The processing and fabricating cost of the present invention can be reduced.
Embodiment:Of the present invention is a kind of CNC milling machine General positioning fixture, including pedestal 1, the both ends of the pedestal 1 Bottom be equipped with connecting plate 2, be integrally cast between connecting plate 2 and pedestal 1, be all provided on each connecting plate 2 there are three The present invention, the work of CNC milling machine is mounted on by connecting screw 3 by connecting screw 3, the mounting hole being adapted with connecting screw 3 On platform.The bottom of the pedestal 1 is equipped with cavity 4, and the middle part in the cavity 4 is equipped with leading screw 5, and the leading screw 5 is rotated with pedestal 1 One end of the protruding pedestal 1 in one end of connection and leading screw 5,5 protruding pedestal 1 of the leading screw is equipped with splined shaft 6, splined shaft 6 use integral structure, side of the splined shaft 6 far from leading screw 5 to be equipped with the first support plate 7, first support with leading screw 5 Disk 7 is equipped with the spline housing 8 being adapted with splined shaft 6 close to the side of pedestal 1, and spline housing 8 and the first support plate 7 use integral type Structure, the spline housing 8 are slidably connected with splined shaft 6, and spline housing 8 can be slided along splined shaft 6, and spline housing 8 and splined shaft 6 Between can transmit torque.First support plate 7 is equipped with holddown spring 9, the holddown spring 9 close to the side of spline housing 8 One end abutted with the first support plate 7, the other end is abutted with pedestal 1, and the side of the first support plate 7 far from spline housing 8 is set There are friction plate 10, the friction plate 10 to be fixedly connected with the first support plate 7 by hexagon socket head cap screw, the friction plate 10 is far from The side of one support plate 7 is equipped with flywheel 11, and the friction plate 10 is abutted with flywheel 11, and holddown spring 9 pushes the first support plate 7 to Flywheel 11 so that friction plate 10 is closely abutted with flywheel 11.Side of the flywheel 11 far from friction plate 10 is equipped with motor 12, institute The shaft for stating motor 12 is sequentially connected by connector sleeve and flywheel 11, and motor 12 starts, and flywheel 11 can be driven to rotate.The bottom Seat 1 is equipped with the mounting bracket 13 being adapted with motor 12, and U-shaped frame can be used in mounting bracket 13, is screwed in the outer of pedestal 1 On wall, mounting bracket 13 is that motor 12 provides support.Torque is transmitted using the frictional force between flywheel 11 and friction plate 10, is compressed The extruding force of spring 9 ensures the size for the torque that can be transmitted between flywheel 11 and friction plate 10, and the startup of motor 12 being capable of band Dynamic flywheel 11 rotates, and the rotation of flywheel 11 can drive the first support plate 7 to rotate, and the rotation of the first support plate 7 can drive 5 turns of leading screw Dynamic, the rotation of leading screw 5 can drive two fixture blocks 19 to move, and can complete the clamping and release of workpiece, when the torsion that motor 12 transmits When square puies forward the size for the torque that can be transmitted more than holddown spring 9, flywheel 11 cannot then drive the first support plate 7 to rotate again, folder The position of block 19 is fixed, and can be prevented from squeezing and be hindered workpiece, ensure processing quality.Preferably, it is welded with spiral shell on the outer wall of the pedestal 1 Line set 22, the leading screw 5 passes through thread bush 22 protruding, and the internal diameter of the thread bush 22 is more than the outer diameter of leading screw 5, the spiral shell Line set 22 is equipped with the adjusting nut 23 being adapted with holddown spring 9 can adjust pressure by adjusting the position of adjusting nut 23 The original compression amount of tight spring 9, can adjust the extruding force that holddown spring 9 provides the first support plate 7, can adjust compression The peak torque that spring 9 can be provided, clamping force that can be as needed between even fixture block are adjusted.The adjusting spiral shell Mother 23 is equipped with baffle ring 24 close to one end of holddown spring 9, and the baffle ring 24 is slidably connected with thread bush 22, holddown spring 9 not with Adjusting nut 23 is in direct contact, and can be convenient for turning adjusting nut 23, convenient for the size for the peak torque that holddown spring is provided. The both sides of the leading screw 5 are equipped with inclined shore bar 14, and inclined shore bar 14 is welded in cavity 4, two inclined shores The axial line of bar 14 is located at the axial line of leading screw 5 in same level, and the inclined shore bar 14 is close to one end of splined shaft 6 The distance between leading screw 5 is minimum, and the inclined shore bar 14 is equipped with sliding block 15, and the sliding block 15 is slided with inclined shore bar 14 Dynamic connection, sliding block 15 can be slided along inclined shore bar 14.The leading screw 5 is equipped with screw 16, the both sides of the screw 16 It is equipped with guide rod 17, the sliding block 15 is equipped with the through hole being adapted with guide rod 17, the guide rod 17 and through hole It is slidably connected, guide rod 17 can be slided along through hole.Guide rod 17 is inserted through in hole always, can prevent 16 turns of screw Dynamic, the rotation of leading screw 5 can drive screw 16 to be moved along leading screw 5, and guide rod 17 slides in through hole, and screw 16 moves same When, it can be moved along inclined shore bar 14 with movable slider 15.The top vertical of the sliding block 15 is equipped with riser 18, the riser 18 are fixedly connected with sliding block 15, and the riser 18 is parallel with leading screw 5, and the riser 18 is equipped with fixture block 19 close to the side of leading screw 5, The fixture block 19 is located at the top of pedestal 1, and the bottom symmetrical of the fixture block 19 is equipped with T-type sliding block 20, and the top of the pedestal 1 is set There are the sliding slot being adapted with T-type sliding block 20, the sliding slot to be connected to cavity 4, the top of the bottom surface and sliding block 15 of the T-type sliding block 20 Face is located in same level, and while sliding block 15 is moved along inclined shore bar 14, the distance between two sliding blocks 15 occur Change, the distance between two sliding blocks 15 become hour, and T-type sliding block 20 is stirred through riser 18, can make between two fixture blocks 19 Distance becomes smaller, can be by piece-holder between two fixture blocks 19.The first magnet is inlaid on the riser 18, the T-type is slided The second magnet being adapted with the first magnet is inlaid on block 20, using the suction of the first magnet and the second magnet by riser 18 and T-type sliding block 20 is attached together, and can make T-type sliding block 20 that riser 18 be followed to move, and can be convenient for the folding of fixture block.Described in two One end between fixture block 19 is inlaid with locating piece 21, and the top array of the pedestal 1 sets that there are three benchmark column 25,25, benchmark columns Between two fixture blocks 19, the top that benchmark column 25 is embedded in pedestal 1 is used as reference plane, can reduce the base on pedestal 1 The making range in quasi- face can reduce the processing and fabricating cost of the present invention.Locating piece 21 provides a positioning datum for workpiece, and two A fixture block 19 is moved to center simultaneously, can be using the intersection point of center line and locating piece 21 between two fixture blocks 19 as numerical control mill The coordinate origin of bed coordinate system, it is corresponding with the coordinate origin of programming coordinates system, the Set and Positioning of workpiece can be quickly finished, It reduces to knife number, improves working efficiency.

Claims (5)

1. the bottom of a kind of CNC milling machine General positioning fixture, including pedestal (1), the both ends of the pedestal (1) is equipped with connecting plate (2), the connecting plate (2) is equipped with connecting screw (3), it is characterised in that:The bottom of the pedestal (1) is equipped with cavity (4), institute It states the middle part in cavity (4) and is equipped with leading screw (5), the leading screw (5) is rotatablely connected with pedestal (1) and one end of leading screw (5) is outside Pedestal (1) is stretched out, one end of the protruding pedestal of the leading screw (5) (1) is equipped with splined shaft (6), and the splined shaft (6) is far from silk The side of thick stick (5) is equipped with the first support plate (7), and first support plate (7) is equipped with close to the side of pedestal (1) and splined shaft (6) adaptable spline housing (8), the spline housing (8) are slidably connected with splined shaft (6), and first support plate (7) is close to flower The side of key set (8) is equipped with holddown spring (9), and one end of the holddown spring (9) is abutted with the first support plate (7), the other end It is abutted with pedestal (1), side of first support plate (7) far from spline housing (8) is equipped with friction plate (10), the friction plate (10) it is fixedly connected with the first support plate (7), side of the friction plate (10) far from the first support plate (7) is equipped with flywheel (11), the friction plate (10) abuts with flywheel (11), and side of the flywheel (11) far from friction plate (10) is equipped with motor (12), the motor (12) is sequentially connected with flywheel (11), and the pedestal (1) is equipped with the mounting bracket being adapted with motor (12) (13), the both sides of the leading screw (5) are equipped with inclined shore bar (14), the axial line and silk of two inclined shore bars (14) The axial line of thick stick (5) is located in same level, and the inclined shore bar (14) is close to one end of splined shaft (6) and leading screw (5) The distance between minimum, the inclined shore bar (14) be equipped with sliding block (15), the sliding block (15) and inclined shore bar (14) It is slidably connected, the leading screw (5) is equipped with screw (16), and the both sides of the screw (16) are equipped with guide rod (17), the cunning Block (15) is equipped with the through hole being adapted with guide rod (17), and the guide rod (17) is slidably connected with through hole, the cunning The top vertical of block (15) is equipped with riser (18), and the riser (18) is fixedly connected with sliding block (15), the riser (18) and silk Thick stick (5) is parallel, and the riser (18) is equipped with fixture block (19) close to the side of leading screw (5), and the fixture block (19) is located at pedestal (1) The bottom symmetrical at top, the fixture block (19) is equipped with T-type sliding block (20), and the top of the pedestal (1) is equipped with and T-type sliding block (20) Adaptable sliding slot, the sliding slot are connected to cavity (4), and the bottom surface and the top surface of sliding block (15) of the T-type sliding block (20) are located at In same level, one end between two fixture blocks (19) is equipped with locating piece (21).
2. a kind of CNC milling machine General positioning fixture according to claim 1, it is characterised in that:Outside the pedestal (1) Wall is equipped with thread bush (22), and the leading screw (5) passes through thread bush (22) protruding, and the internal diameter of the thread bush (22) is more than The outer diameter of leading screw (5), the thread bush (22) are equipped with the adjusting nut (23) being adapted with holddown spring (9).
3. a kind of CNC milling machine General positioning fixture according to claim 2, it is characterised in that:The adjusting nut (23) It is equipped with baffle ring (24) close to one end of holddown spring (9), the baffle ring (24) is slidably connected with thread bush (22).
4. a kind of CNC milling machine General positioning fixture according to claim 1, it is characterised in that:It is inlayed on the riser (18) Embedded with the first magnet, the second magnet being adapted with the first magnet is inlaid on the T-type sliding block (20).
5. a kind of CNC milling machine General positioning fixture according to claim 1, it is characterised in that:The top of the pedestal (1) Portion's array is set there are three benchmark column (25).
CN201810475391.0A 2018-05-17 2018-05-17 A kind of CNC milling machine General positioning fixture Active CN108637726B (en)

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CN108637726B CN108637726B (en) 2019-10-15

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CN109968178A (en) * 2019-03-12 2019-07-05 上海浩曦智能设备有限公司 Thermal-insulation cup buffing machine power control device
CN111251032A (en) * 2020-04-15 2020-06-09 福清市诚冠科技有限公司 Clamping device capable of rotating during milling
CN112108904A (en) * 2020-08-25 2020-12-22 吉安职业技术学院 Multi-station clamp
CN112605680A (en) * 2020-02-02 2021-04-06 戴银锋 Positioning mechanism for drilling automobile brake pad
CN114559241A (en) * 2022-03-10 2022-05-31 浙江盈瑞数字科技有限公司 Device is screwed up to shell of jack

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CN106427009A (en) * 2015-08-13 2017-02-22 天津市津南区巨龙餐具有限公司 Friction press with buffer device
CN205996088U (en) * 2016-08-30 2017-03-08 江西省华荣德金实业发展有限公司 A kind of forging machine
CN205996615U (en) * 2016-09-13 2017-03-08 朱晓东 The built-up jig of CNC milling machine

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CN203401334U (en) * 2013-07-26 2014-01-22 黎碧 Clamp and automatic pipe cutting device with same
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CN106427009A (en) * 2015-08-13 2017-02-22 天津市津南区巨龙餐具有限公司 Friction press with buffer device
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109968178A (en) * 2019-03-12 2019-07-05 上海浩曦智能设备有限公司 Thermal-insulation cup buffing machine power control device
CN112605680A (en) * 2020-02-02 2021-04-06 戴银锋 Positioning mechanism for drilling automobile brake pad
CN111251032A (en) * 2020-04-15 2020-06-09 福清市诚冠科技有限公司 Clamping device capable of rotating during milling
CN111251032B (en) * 2020-04-15 2020-10-30 东营昶晟精密铸造有限公司 Clamping device capable of rotating during milling
CN112108904A (en) * 2020-08-25 2020-12-22 吉安职业技术学院 Multi-station clamp
CN114559241A (en) * 2022-03-10 2022-05-31 浙江盈瑞数字科技有限公司 Device is screwed up to shell of jack

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