Milling machine fixture used for machine tool and capable of adjusting height of gasket and facilitating locking of workpiece
Technical Field
The invention relates to a milling machine fixture, in particular to a milling machine fixture which is used for a machine tool and is capable of adjusting the height of a gasket and beneficial to locking a workpiece.
Background
Milling machines are mainly machine tools for milling various surfaces of workpieces by using milling cutters, generally, the milling cutters mainly move by rotating, the workpiece and the milling cutters move by feeding, the milling machines can process planes, grooves, various curved surfaces, gears and the like, the milling machines can mill planes, grooves, gear teeth, threads, spline shafts and complex profiles, the efficiency is higher than that of a planing machine, and the milling machines are widely applied to mechanical manufacturing and repairing departments.
Before milling of a workpiece, the workpiece needs to be manually placed on a milling machine, the workpiece needs to be aligned with a gasket and placed, a clamping device on the milling machine is manually adjusted to clamp the workpiece, a gap exists between the workpiece and the gasket, a worker needs to manually knock the workpiece by using a tool, the gasket is tightly attached to the workpiece, and the clamping device in the existing milling machine is troublesome in clamping the workpiece, so that the workpiece is difficult to quickly clamp, and the subsequent production efficiency is affected.
Disclosure of Invention
The invention aims to provide a milling machine fixture which can clamp a workpiece, can enable a processing device in a milling machine to accurately process the workpiece, can facilitate different milling machine cutters to process the workpiece, is used for adjusting the height of a gasket of a machine tool and is beneficial to workpiece locking, and aims to solve the problem that the clamping process of the clamping device in the existing milling machine to the workpiece is troublesome in the background technology.
The technical scheme is as follows: the utility model provides a milling machine fixture that is used for adjustable gasket height of lathe and does benefit to work piece locking, including fluting trompil chassis, heterotypic bed frame, clamping mechanism, pushing mechanism, gasket adjustment mechanism, canceling release mechanical system and compacting mechanism, fixed mounting has heterotypic bed frame on the fluting trompil chassis, clamping mechanism sets up on heterotypic bed frame, the last pushing mechanism that is equipped with of clamping mechanism, sliding type is connected with gasket adjustment mechanism on the heterotypic bed frame, canceling release mechanical system sets up on the fluting trompil chassis, compacting mechanism fixed mounting is on heterotypic bed frame.
Preferably, the clamping mechanism comprises a long screw rod, a threaded sliding block, a jaw, a clamping block and a clamping plate, the long screw rod is rotatably connected to the special-shaped base frame, the threaded sliding block is connected to the long screw rod in a threaded connection mode, the threaded sliding block is slidably connected to the slotted perforated bottom frame, the threaded sliding block is also slidably connected to the special-shaped base frame, the jaw is fixedly connected to the threaded sliding block, the jaw is slidably connected to the special-shaped base frame, the clamping block is connected to the jaw in a fastening piece connection mode, and the clamping plate is connected to the special-shaped base frame in a fastening piece connection mode.
Preferably, the pushing mechanism comprises a short screw rod, a threaded ring, a clamping rod, a first reset spring, a hexagonal block sliding frame, a second reset spring, an L-shaped deflector rod, a pushing wedge-shaped frame and a third reset spring, wherein one end of the long screw rod is welded with the short screw rod, the short screw rod is connected with the threaded ring in a threaded connection mode, slots are arranged on the threaded ring in a circumferentially distributed mode, the pushing wedge-shaped frame is symmetrically and slidably connected on the slotting and perforating underframe and is slidably connected with the special-shaped base frame, the pushing wedge-shaped frame is connected with the third reset spring in a coupling mode, one end of the third reset spring is connected with the slotting and perforating underframe, the two pushing wedge-shaped frames are jointly and slidably connected with the hexagonal block sliding frame, the hexagonal block sliding frame is fixedly connected with a pair of second reset springs, one end of the second reset spring is connected with the pushing wedge-shaped frame, and the clamping rod is slidably connected on the hexagonal block sliding frame in a distributed mode, the clamping rod is clamped into the threaded circular ring slot, a first reset spring is connected between the clamping rod and the hexagonal block sliding frame, and two L-shaped deflector rods are arranged on the hexagonal block sliding frame.
Preferably, the gasket adjusting mechanism comprises a wedge-shaped gasket, a fourth reset spring, a special-shaped connecting rod, a fifth reset spring, a limiting wedge block, a hole-opening stop block, a limiting round rod and a sixth reset spring, the special-shaped base frame is connected with two wedge-shaped gaskets in a sliding manner, the wedge-shaped gasket is in contact with the pushing wedge-shaped frame, the wedge-shaped gasket is connected with three fourth reset springs in a coupling manner, one end of the fourth reset spring is connected with the slotting hole-opening underframe, the special-shaped base frame is connected with two special-shaped connecting rods in a sliding manner, the special-shaped connecting rods are connected with the fifth reset spring in a coupling manner, one end of the fifth reset spring is fixedly connected with the special-shaped base frame, the special-shaped connecting rods are welded with the limiting wedge block, the limiting wedge block is in sliding connection with the special-shaped base frame and is in contact with the wedge-shaped gasket, the hole-opening stop block is in sliding connection with the wedge-shaped gasket in a symmetrical manner, the slotted hole chassis is symmetrically and slidably connected with limiting round rods, the limiting round rods are clamped into the grooves of the slotted stop blocks, the limiting round rods are fixedly connected with sixth reset springs in a distributed mode, and one ends of the sixth reset springs are connected with the slotted hole chassis.
Preferably, the reset mechanism comprises a special-shaped slotted frame, a long rod, an I-shaped slotted rod and a slotted swinging rod, torsion spring, two-sided wedge frame, seventh reset spring and fixed wedge frame, heterotypic fluting frame symmetry sets up on the fluting trompil chassis, the gliding style is connected with the stock on the heterotypic fluting frame, stock and heterotypic connecting rod contact each other, I type fluting pole is the same sliding type to be connected on heterotypic fluting frame, the rotation type is connected with the fluting swinging arms on the heterotypic fluting frame, the spacing cooperation of fluting swinging arms and stock, the spacing cooperation of fluting swinging arms and I type fluting pole is the same, be connected with torsion spring between fluting swinging arms and the heterotypic fluting frame, two-sided wedge frame sliding type is connected on I type fluting pole, the hookup has seventh reset spring on the two-sided wedge frame, seventh reset spring one end and I type fluting pole rigid coupling, the symmetry is provided with fixed wedge frame on the fluting trompil chassis.
Preferably, the compacting mechanism comprises a special-shaped guide frame, a pressing plate, a rectangular slotting frame, a T-shaped slotting rod, an eighth return spring, a ninth return spring, a rectangular sliding rail frame, a rack frame, a tenth return spring, an overrunning clutch and a gear, the special-shaped guide frame is fixedly arranged on a special-shaped base frame, the rectangular slotting frame is symmetrically arranged on the special-shaped base frame, the T-shaped slotting rod is connected to the two rectangular slotting frames in a lifting manner, the two pressing plates are slidably connected to the T-shaped slotting rod and are in spacing fit with the special-shaped guide frame, the eighth return spring is connected to the pressing plates, one end of the eighth return spring is connected to the T-shaped slotting rod, a pair of ninth return springs is fixedly connected to the T-shaped slotting rod, one end of the ninth return spring is connected to the rectangular slotting frame, the rectangular sliding rail frame block is welded with the rectangular sliding rail frame, the rack frame is connected to the rectangular sliding rail frame in a lifting manner, the rack frame is connected with the T-shaped slotted rod in a sliding mode, a tenth reset spring is connected between the rack frame and the T-shaped slotted rod, an overrunning clutch is arranged on the threaded ring, a gear is fixedly mounted on the overrunning clutch, and the gear is matched with the rack frame.
The invention has the beneficial effects that:
by manually rotating the long screw rod, the threaded sliding block and the device on the threaded sliding block move towards the direction close to the clamping plate, so that the clamping block and the clamping plate clamp the workpiece.
The wedge-shaped gasket can be pushed to move upwards by pushing the wedge-shaped frame, the wedge-shaped gasket pushes the workpiece to move upwards, so that the workpiece is lifted upwards, the two pressing plates move oppositely under the guide action of the special-shaped guide frame, the two pressing plates move oppositely to flatten the workpiece, and a processing device in a milling machine at the later stage is convenient to process the workpiece accurately.
Through the position of adjusting the trompil dog to control promotes the stroke that wedge frame promoted wedge gasket upward movement, and then control wedge gasket rise height, make the work piece can be placed at the co-altitude not, and the different milling machine cutters of being convenient for process the work piece.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic three-dimensional structure diagram of the grooved and holed underframe and the special-shaped base frame of the invention.
Fig. 4 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 5 is a schematic partial perspective view of the pushing mechanism of the present invention.
Fig. 6 is a partially disassembled perspective view of the pushing mechanism of the present invention.
Fig. 7 is a schematic perspective view of a part of the spacer adjustment mechanism of the present invention.
Fig. 8 is an enlarged schematic view of the structure of the present invention a.
FIG. 9 is an enlarged schematic view of the present invention B.
FIG. 10 is an enlarged schematic view of the present invention C.
Fig. 11 is a partially disassembled perspective view of the reset mechanism of the present invention.
FIG. 12 is an enlarged schematic view of the present invention D.
FIG. 13 is an enlarged schematic view of the present invention E.
Fig. 14 is a schematic view of a partial perspective view of the compaction mechanism of the invention.
Fig. 15 is a schematic partially disassembled perspective view of the compaction mechanism of the invention.
Description of reference numerals: 1_ slotted perforated chassis, 2_ deformed base frame, 3_ clamping mechanism, 31_ long lead screw, 32_ threaded slider, 33_ jaw, 34_ clamping block, 35_ clamping plate, 4_ pushing mechanism, 41_ short lead screw, 42_ threaded ring, 43_ clamping rod, 44_ first return spring, 45_ hexagonal block sliding frame, 46_ second return spring, 47_ L type toggle lever, 48_ pushing wedge frame, 49_ third return spring, 5_ shim adjusting mechanism, 51_ wedge shim, 52_ fourth return spring, 53_ deformed connecting rod, 54_ fifth return spring, 55_ wedge limiting block, 56_ slotted block, 57_ limiting circular rod, 58_ sixth return spring, 6_ return mechanism, 61_ deformed slotted frame, 62_ long rod, 63_ I type slotted rod, 64_ slotted swing rod, 65_ torsion spring, 66_ double-sided wedge frame, 67_ seventh return spring, 68_ fixed wedge frame, 7_ compacting mechanism, 71_ special-shaped guide frame, 72_ pressing plate, 73_ rectangular slotted frame, 74_ T-shaped slotted rod, 75_ eighth return spring, 76_ ninth return spring, 77_ rectangular slide rail frame, 78_ rack frame, 79_ tenth return spring, 710_ overrunning clutch and 711_ gear.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b): a milling machine fixture used for adjusting the height of a gasket of a machine tool and facilitating locking of a workpiece is disclosed, and comprises a slotting and perforating chassis 1, a special-shaped base frame 2, a clamping mechanism 3, a pushing mechanism 4, a gasket adjusting mechanism 5, a resetting mechanism 6 and a compacting mechanism 7, wherein the slotting and perforating chassis 1 is fixedly provided with the special-shaped base frame 2, the clamping mechanism 3 used for clamping the workpiece is arranged on the special-shaped base frame 2, the clamping mechanism 3 is provided with the pushing mechanism 4, the special-shaped base frame 2 is slidably connected with the gasket adjusting mechanism 5 used for adjusting the placing height of the workpiece, the resetting mechanism 6 is arranged on the slotting and perforating chassis 1, and the compacting mechanism 7 used for flattening the workpiece is fixedly arranged on the special-shaped base frame 2.
The clamping mechanism 3 comprises a long screw rod 31, a thread sliding block 32, a jaw 33, a clamping block 34 and a clamping plate 35, the special-shaped base frame 2 is rotatably connected with the long screw rod 31, the long screw rod 31 is connected with the thread sliding block 32 in a threaded connection mode, the thread sliding block 32 is slidably connected with the slotted perforated bottom frame 1, the thread sliding block 32 is also slidably connected with the special-shaped base frame 2, the jaw 33 is fixedly connected onto the thread sliding block 32, the jaw 33 is slidably connected with the special-shaped base frame 2, the clamping block 34 is connected onto the jaw 33 in a fastener connection mode, the clamping plate 35 is connected onto the special-shaped base frame 2 in a fastener connection mode, and the clamping block 34 and the clamping plate 35 are used for clamping a workpiece.
The pushing mechanism 4 comprises a short screw rod 41, a threaded ring 42, a clamping rod 43, a first reset spring 44, a hexagonal block sliding frame 45, a second reset spring 46, an L-shaped deflector rod 47, a pushing wedge-shaped frame 48 and a third reset spring 49, wherein one end of the long screw rod 31 close to the threaded sliding block 32 is welded with the short screw rod 41, the short screw rod 41 far away from the long screw rod 31 is connected with the threaded ring 42 in a threaded connection mode, slots are arranged on the threaded ring 42 in a circumferential distribution mode, the slotting and perforating underframe 1 is symmetrically and slidably connected with the pushing wedge-shaped frame 48, the pushing wedge-shaped frame 48 is slidably connected with the special-shaped base frame 2, the pushing wedge-shaped frame 48 is connected with the third reset spring 49 in a connecting mode, one end of the third reset spring 49 far away from the pushing wedge-shaped frame 48 is connected with the slotting and perforating underframe 1, the two pushing wedge-shaped frames 48 are jointly and slidably connected with the hexagonal block sliding frame 45, the hexagonal block sliding frame 45 is fixedly connected with the second reset spring 46, keep away from second reset spring 46 one end of hexagonal piece carriage 45 and promote the hookup of wedge frame 48, keep away from distributed sliding connection on the hexagonal piece carriage 45 that promotes wedge frame 48 and have a kelly 43, in the screw ring 42 slot is gone into to kelly 43 card, kelly 43 is used for blocking screw ring 42, is connected with first reset spring 44 between kelly 43 and the hexagonal piece carriage 45, is provided with two L type driving levers 47 on the hexagonal piece carriage 45.
The gasket adjusting mechanism 5 comprises a wedge-shaped gasket 51, a fourth return spring 52, a special-shaped connecting rod 53, a fifth return spring 54, a limiting wedge-shaped block 55, an opening stop 56, a limiting round rod 57 and a sixth return spring 58, the special-shaped base frame 2 is slidably connected with the two wedge-shaped gaskets 51, the wedge-shaped gasket 51 is used for pushing a workpiece to move upwards, the wedge-shaped gasket 51 is in contact with a pushing wedge-shaped frame 48, the pushing wedge-shaped frame 48 is used for pushing the wedge-shaped gasket 51 to move upwards, the three fourth return springs 52 are connected to the wedge-shaped gasket 51, one end of the fourth return spring 52 far away from the wedge-shaped gasket 51 is connected with the slotted underframe 1, the special-shaped base frame 2 is slidably connected with the two special-shaped connecting rods 53, the fifth return spring 54 is connected to the special-shaped connecting rod 53, one end of the fifth return spring 54 far away from the special-shaped connecting rod 53 is fixedly connected with the special-shaped base frame 2, the limiting wedge-shaped connecting rod 53 is welded with the limiting wedge-shaped block 55, spacing wedge 55 and heterotypic base frame 2 sliding type are connected, spacing wedge 55 and wedge gasket 51 contaction each other, spacing wedge 55 is used for blocking wedge gasket 51, the symmetry slidingtype is connected with trompil dog 56 on the fluting trompil chassis 1, trompil dog 56 and wedge gasket 51 contaction each other, the symmetry slidingtype is connected with spacing round bar 57 on the fluting trompil chassis 1, spacing round bar 57 card is gone into in the 56 recess of trompil dog, distributed fixedly connected with sixth reset spring 58 on the spacing round bar 57, keep away from sixth reset spring 58 one end and the hookup of fluting trompil chassis 1 of spacing round bar 57.
The reset mechanism 6 comprises a special-shaped slotting frame 61, a long rod 62, an I-shaped slotting rod 63, a slotting swinging rod 64, a torsion spring 65, a double-sided wedge-shaped frame 66, a seventh reset spring 67 and a fixed wedge-shaped frame 68, wherein the special-shaped slotting frame 61 is symmetrically arranged on the slotting and slotting underframe 1, the special-shaped slotting frame 61 is slidably connected with the long rod 62, the long rod 62 is in mutual contact with the special-shaped connecting rod 53, the I-shaped slotting rod 63 is slidably connected on the special-shaped slotting frame 61 close to the long rod 62, the special-shaped slotting frame 61 is rotatably connected with the slotting swinging rod 64, the slotting swinging rod 64 is in limit fit with the long rod 62, the slotting swinging rod 64 is also in limit fit with the I-shaped slotting rod 63, the torsion spring 65 is connected between the slotting swinging rod 64 and the special-shaped slotting frame 61, the double-sided wedge-shaped frame 66 is connected on the I-shaped slotting rod 63 far away from the special-shaped slotting frame 61, and the double-sided wedge-shaped frame 66 is used for clamping the L-shaped deflector rod 47, the double-sided wedge-shaped frame 66 is connected with a seventh return spring 67, one end of the seventh return spring 67 far away from the double-sided wedge-shaped frame 66 is fixedly connected with the I-shaped slotting rod 63, and the slotting perforated underframe 1 is symmetrically provided with fixed wedge-shaped frames 68.
The compacting mechanism 7 comprises a special-shaped guide frame 71, a pressure plate 72, a rectangular slotting frame 73, a T-shaped slotting rod 74, an eighth return spring 75, a ninth return spring 76, a rectangular slide rail frame 77, a rack frame 78, a tenth return spring 79, an overrunning clutch 710 and a gear 711, wherein the special-shaped guide frame 71 is fixedly installed on the special-shaped base frame 2, the rectangular slotting frame 73 is symmetrically arranged on the special-shaped base frame 2, the T-shaped slotting rod 74 is connected to the two rectangular slotting frames 73 in a lifting mode, the T-shaped slotting rod 74 is connected to the T-shaped slotting rod 74 in a sliding mode, the pressure plate 72 is used for flattening workpieces, the pressure plate 72 is in limit fit with the special-shaped guide frame 71, the eighth return spring 75 is connected to the pressure plate 72, one end of the eighth return spring 75 far away from the pressure plate 72 is connected with the T-shaped slotting rod 74, a pair of ninth return springs 76 is fixedly connected to the T-shaped slotting rod 74, one end of the ninth return spring 76 far away from the T-shaped slotting rod 74 is connected with the rectangular slotting frame 73, the rectangular sliding rail frame 77 is welded on the hexagonal block sliding frame 45, the rack frame 78 is connected to the rectangular sliding rail frame 77 in a liftable mode, the rack frame 78 is connected with the T-shaped grooved rod 74 in a sliding mode, a tenth reset spring 79 is connected between the rack frame 78 and the T-shaped grooved rod 74, an overrunning clutch 710 is arranged on the threaded ring 42, a gear 711 is fixedly mounted on the overrunning clutch 710, and the gear 711 and the rack frame 78 are mutually matched.
The equipment is arranged in a milling machine, when a workpiece needs to be machined, a worker places the workpiece on the wedge-shaped gasket 51 to enable the workpiece to be in contact with the clamping plate 35, the worker manually rotates the long thread rod 31, the long thread rod 31 drives the thread sliding block 32 and the device on the thread sliding block to move towards the direction close to the clamping plate 35, and the clamping block 34 and the clamping plate 35 enable the workpiece to be clamped. The rotation of the long lead screw 31 will drive the rotation of the short lead screw 41, the short lead screw 41 will drive the threaded ring 42 to move toward the direction close to the clamping plate 35, the threaded ring 42 will drive the hexagonal sliding rack 45 and the upper device thereof to move toward the direction close to the clamping plate 35 through the clamping rod 43, the rectangular sliding rack 77 will drive the rack 78 to move toward the direction close to the clamping plate 35, the tenth return spring 79 will be compressed, the rack frame 78 is always matched with the gear 711, the hexagonal block sliding frame 45 is pushed by the second return spring 46 to push the wedge-shaped frame 48 to move towards the direction close to the clamping plate 35, the third return spring 49 is compressed to push the wedge-shaped frame 48 to push the wedge-shaped gasket 51 to move upwards, the wedge-shaped gasket 51 pushes the workpiece to move upwards, the wedge-shaped gasket 51 pushes the limiting wedge block 55 and the special-shaped connecting rod 53 to move towards the direction far away from the wedge-shaped frame 48, and then the limiting wedge block 55 clamps the wedge-shaped gasket 51 under the reset action of the fifth return spring 54.
Aperture stop 56 will then push wedge 48 back up and hexagonal block sliding carriage 45 and its upper assembly continue to move closer to clamp plate 35 and second return spring 46 is compressed. Then the L-shaped shift lever 47 contacts the double-sided wedge-shaped frame 66, the L-shaped shift lever 47 pushes the double-sided wedge-shaped frame 66 to move relatively, and the compressed seventh return spring 67 is reset to drive the double-sided wedge-shaped frame 66 to move relatively, so that the double-sided wedge-shaped frame 66 clamps the L-shaped shift lever 47.
When the filament rod 31 blocks the hexagonal sliding frame 45, the hexagonal sliding frame 45 and the upper device thereof do not move towards the direction close to the clamping plate 35 any more, the worker continues to rotate the filament rod 31, the short filament rod 41 drives the threaded ring 42 to rotate, the threaded ring 42 pushes the clamping rod 43 to move relatively, the clamping rod 43 does not clamp the threaded ring 42 any more, the threaded ring 42 drives the overrunning clutch 710 and the gear 711 to rotate, the gear 711 drives the rack frame 78 and the upper device thereof to move downwards, the two pressing plates 72 move oppositely through the guiding action of the special-shaped guide frame 71, and the two pressing plates 72 move oppositely to flatten the workpiece.
After the workpiece is flattened, a worker does not rotate the long lead screw 31 any more, so that the long lead screw 31 does not drive the short lead screw 41 and the threaded ring 42 to rotate any more, the compressed first reset spring 44 resets to drive the clamping rod 43 to move and reset in the opposite direction, the clamping rod 43 clamps the threaded ring 42, the compressed ninth reset spring 76 resets to drive the T-shaped slotting rod 74 and the upper device to move upwards, the rack frame 78 drives the gear 711 and the overrunning clutch 710 to rotate, the overrunning clutch 710 cannot transmit power to the threaded ring 42 at the moment, and the two pressing plates 72 are enabled to move and reset relatively through the action of the special-shaped guide frame 71. Then the workpiece is processed by a processing device in the milling machine.
The worker then rotates the long thread rod 31 in the opposite direction, and the long thread rod 31 drives the thread sliding block 32 and the device thereon to move away from the clamping plate 35, so that the clamping block 34 and the clamping plate 35 no longer clamp the workpiece. Short lead screw 41 can drive screw ring 42 towards keeping away from the motion of clamp plate 35 direction, screw ring 42 passes through kelly 43 and drives hexagonal block carriage 45 and go up the device towards keeping away from the motion of clamp plate 35 direction, L type driving lever 47 pulling two-sided wedge frame 66 and go up the device towards keeping away from the motion of clamp plate 35 direction, thereby I type fluting pole 63 drives stock 62 towards being close to the motion of clamp plate 35 direction through fluting swinging arms 64, and then stock 62 can promote heterotypic connecting rod 53 and spacing wedge 55 towards keeping away from and promoting the motion of wedge frame 48 direction, spacing wedge 55 no longer blocks wedge gasket 51, it resets to drive wedge gasket 51 downstream by tensile fourth reset spring 52 resets and resets. When the double-sided wedge-shaped frame 66 and the fixed wedge-shaped frame 68 contact each other, the fixed wedge-shaped frame 68 pushes the double-sided wedge-shaped frame 66 to move relatively, the double-sided wedge-shaped frame 66 no longer clamps the L-shaped shift lever 47, and the compressed seventh return spring 67 is reset to drive the double-sided wedge-shaped frame 66 to move and reset oppositely. Finally, the worker does not rotate the long lead screw 31 any more.
When the rising height of wedge gasket 51 and work piece needs to be adjusted, staff's manual pulling spacing round bar 57 relative motion, spacing round bar 57 no longer blocks trompil dog 56, staff's manual pulling trompil dog 56 towards keeping away from pinch plate 35 direction, then loosen spacing round bar 57, the sixth reset spring 58 that is stretched resets and drives spacing round bar 57 and move reset in opposite directions, make trompil dog 56 can be earlier will promote wedge frame 48 and block, consequently, it is shorter to promote the stroke that wedge gasket 51 upwards moved of wedge frame 48 promotion, wedge gasket 51 promotes the stroke that the work piece upward movement is shorter, through the position of adjusting trompil dog 56, make the work piece can be placed at different heights, be convenient for different milling machine cutters process the work piece.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.