CN215880763U - Automatic milling cutter processing drive center mechanism of location - Google Patents
Automatic milling cutter processing drive center mechanism of location Download PDFInfo
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- CN215880763U CN215880763U CN202121944845.8U CN202121944845U CN215880763U CN 215880763 U CN215880763 U CN 215880763U CN 202121944845 U CN202121944845 U CN 202121944845U CN 215880763 U CN215880763 U CN 215880763U
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Abstract
The utility model relates to the technical field of milling cutter machining, in particular to an automatic positioning milling cutter machining driving center mechanism, which comprises a rack, a driving center device and a plurality of pressing devices annularly arranged on the periphery of the driving center device; the driving center device comprises a center driving assembly, a driving carrying disc and a plurality of material bar clamping assemblies, wherein the driving carrying disc comprises a bottom positioning carrying disc and an upper positioning carrying disc, the bottom positioning carrying disc is arranged on the rack, and a meshing part is arranged between the bottom positioning carrying disc and the upper positioning carrying disc; the central driving assembly is used for driving the upper positioning carrying disc and the bottom positioning carrying disc to complete meshing action. The groove block can be replaced according to milling cutter material rods with different specifications, the milling cutter material rod matching device can be suitable for processing and forming milling cutters with different specifications, the milling cutter material rods to be processed can be accurately matched with corresponding processing stations, the positioning effect is good, and the processing precision is high.
Description
Technical Field
The utility model relates to the technical field of milling cutter machining, in particular to an automatic positioning milling cutter machining driving center mechanism.
Background
A milling cutter is a rotating cutter mounted on a milling machine, which comprises a shank and a head, one end of the head being connected to one end of the shank, the head having one or more teeth, the head being capable of machining a plane, a step, a groove, a profiled surface, cutting a workpiece, etc. on the milling machine, and is widely used in the machine manufacturing and repair sector. In the process of machining the milling cutter, one end of a milling cutter material rod is clamped, and the other end of the milling cutter material rod is ground or grooved by using a grinding wheel. The milling cutter processing equipment in the prior art has the following defects:
1. the milling cutter can not be simultaneously suitable for processing various milling cutters with different specifications;
2. the central turntable is used for driving the milling cutter material bars to rotate so as to pair different processing stations, the stop position of the central turntable is not accurate, the positioning effect is poor, the central turntable cannot be accurately paired with the corresponding processing stations, the processing precision is low, machines need to be frequently debugged, and the working efficiency is low.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an automatic positioning milling cutter processing driving center mechanism, which has the advantages that the material bars of the milling cutters are uniformly stressed, the material bars of the milling cutters are prevented from being broken and slipping, the groove blocks can be replaced according to the material bars of the milling cutters with different specifications, the automatic positioning milling cutter processing driving center mechanism can be suitable for processing and forming of the milling cutters with different specifications, the manufacturing materials are saved, the cost is reduced, the material bars of the milling cutters to be processed can be accurately matched with corresponding processing stations, the positioning effect is good, and the processing precision is high.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic positioning milling cutter machining drive center mechanism which comprises a rack, a drive center device and a plurality of pressing devices annularly arranged on the periphery of the drive center device, wherein the rack is provided with a plurality of positioning holes;
the driving center device comprises a center driving assembly, a driving carrying disc and a plurality of material bar clamping assemblies, wherein the driving carrying disc comprises a bottom positioning carrying disc and an upper positioning carrying disc, the bottom positioning carrying disc is arranged on the rack, and a meshing part is arranged between the bottom positioning carrying disc and the upper positioning carrying disc; the central driving assembly is used for driving the upper positioning carrying disc and the bottom positioning carrying disc to complete meshing action;
the material rod clamping assemblies are arranged on the upper positioning carrying disc; each material bar clamping assembly is used for clamping one end of a milling cutter material bar;
each pressing and holding device comprises a fixed base arranged on the rack, a groove block arranged on the fixed base in a replaceable mode and a pressing arm movably arranged on the fixed base, the groove block is used for placing the other end of the milling cutter material rod, and the pressing arm is used for pressing the milling cutter material rod onto the groove block.
Furthermore, the meshing part comprises a plurality of positioning tooth grooves arranged at the upper end of the bottom positioning carrier disc and a plurality of positioning teeth arranged at the lower end of the upper positioning carrier disc, and the positioning teeth extend to the positioning tooth grooves; the central driving assembly comprises a lifting driving rod, one end of the lifting driving rod is rotatably arranged on the rack, and the other end of the lifting driving rod is connected with the upper positioning carrying disc.
Furthermore, the central driving assembly further comprises a driving piece body, the driving piece body is mounted on the rack, and the driving piece body is in driving connection with the lifting driving rod.
Furthermore, each material bar clamping assembly comprises a clamping cylinder head rotatably mounted on the upper positioning carrying disc, an elastic component mounted in the clamping cylinder head and a buckling and pressing component rotatably mounted in the clamping cylinder head, the clamping cylinder head is provided with an inserting slot, one end of a milling cutter material bar is inserted into the inserting slot, one end of the buckling and pressing component is buckled and pressed with the milling cutter material bar, and the other end of the buckling and pressing component is abutted against the elastic component;
the groove block comprises a groove block body and two side retaining walls arranged on the groove block body, a trapezoidal groove used for placing a milling cutter material rod is formed by the groove block body and the two side retaining walls in a surrounding mode, and a space used for fixing the milling cutter material rod is formed by the trapezoidal groove and the pressing arm; the slot and the trapezoidal groove are arranged correspondingly, and one end of the milling cutter material rod, which is far away from the slot, is positioned in the trapezoidal groove;
and the two side retaining walls are provided with notches communicated with the trapezoidal grooves.
Furthermore, the material bar clamping assembly also comprises a clamping barrel seat arranged on the upper positioning carrying disc and a clamping barrel head rotating driving piece arranged on the clamping barrel seat, the clamping barrel head is rotatably arranged at one end of the clamping barrel seat, and the output end of the clamping barrel head rotating driving piece is connected with the clamping barrel head;
the output end of the clamping barrel head rotating driving piece is connected with a coupler, and one end, far away from the clamping barrel head rotating driving piece, of the coupler is fixedly connected with the clamping barrel head.
Furthermore, the buckling and pressing piece is rotatably mounted on the clamping barrel head through a shaft pin, a pressing and holding raised head is arranged at one end of the buckling and pressing piece, and the peripheral surface of the milling cutter material rod is abutted against the pressing and holding raised head; and a plurality of limiting convex bodies are arranged at one end of the buckling and pressing piece, which is far away from the pressing and holding raised head, and when the elastic part expands, the elastic part is limited on the limiting convex bodies.
Furthermore, the fixed base is provided with a top clamping groove which is formed by enclosing a first side groove wall, a bottom groove wall and a second side groove wall, wherein the first side groove wall is vertical, and the second side groove wall is inclined; a clamping top piece is arranged in the clamping top groove, a clamping top protrusion is convexly arranged on one side wall of the clamping top piece, the other side wall of the clamping top piece, which is far away from the clamping top protrusion, is inclined and is abutted against the wall of the second side groove, the clamping top piece is abutted against the groove block, and the clamping top protrusion is inserted into one notch; the fixed base is provided with a groove block mounting groove, the groove block is limited in the groove block mounting groove, and the groove block mounting groove is adjacent to the clamping top groove.
Furthermore, the pressing and holding device further comprises a bearing block and a bearing block adjusting mechanism, the bearing block adjusting mechanism is fixed on the fixed base, the bearing block is arranged on the bearing block adjusting mechanism, a bearing groove is formed in the bearing block, the bearing groove is arranged corresponding to the trapezoidal groove, one end of the milling cutter material rod is limited in the trapezoidal groove, and the other end of the milling cutter material rod is limited in the bearing groove; the bearing groove is a V-shaped groove.
Furthermore, a pressing arm driving part is installed on the fixed base, the output end of the pressing arm driving part is connected with one end of the pressing arm, the other end of the pressing arm and the trapezoidal groove form a space for fixing the milling cutter material rod, and the middle part of the pressing arm is movably connected with the fixed base.
Further, the groove block body and the two side retaining walls are integrally arranged.
The utility model has the beneficial effects that:
1. in the processing process, one end of the milling cutter material rod is fixedly arranged on the clamping barrel head, the other end of the milling cutter material rod is borne in the trapezoidal groove, the groove block can provide upward supporting force for the milling cutter material rod, the milling cutter material rod is prevented from being broken, the milling cutter material rod can be uniformly stressed due to the design of the trapezoidal groove, the milling cutter material rod is prevented from slipping, and the processing precision is high;
2. the groove blocks are made of wear-resistant materials, can be replaced according to different milling cutter material rods, and can be suitable for processing and forming various milling cutters with different specifications;
3. the notch is positioned in the middle of the side retaining wall, so that the supporting effect can be ensured, meanwhile, the manufacturing material is saved, and the cost is reduced;
the plurality of pressing and holding devices correspond to different machining programs respectively, the milling cutter material rod sequentially passes through the plurality of machining programs to form a final product, the driving center device is used for clamping and transferring the milling cutter material rod, the milling cutter material rod is transferred for multiple times, the milling cutter material rod is transferred and can be automatically and accurately positioned with the pressing and holding device at every time, the milling cutter material rod to be machined can be accurately matched with the corresponding pressing and holding device, the positioning effect is good, and the machining precision is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a driving center device according to the present invention.
FIG. 3 is a cross-sectional view of the rod clamping assembly of the present invention.
FIG. 4 is a schematic structural view of the bottom positioning carrier plate, the upper positioning carrier plate, the positioning teeth and the positioning tooth grooves of the present invention.
Fig. 5 is a schematic structural diagram of the pressing device of the present invention.
Fig. 6 is a partial structural view of a portion a in fig. 5.
FIG. 7 is a schematic structural view of the collet head, the slot block, the fixed base, the milling cutter material bar and the bearing block of the present invention.
01. Milling cutter material rods; 02. a pressing device; 03. a drive center device; 1. fixedly mounting a base; 2. a groove block; 3. pressing the arm; 4. a groove block body; 5. a side retaining wall; 6. a trapezoidal groove; 7. a notch; 8. a card top slot; 9. a card top member; 10. a first side slot wall; 11. a bottom slot wall; 12. a second sidewall wall; 13. clamping a top protrusion; 14. a groove block mounting groove; 15. a bearing block; 16. a bearing groove; 17. a press arm driving member; 19. driving the carrier disc; 190. a carrier block adjustment mechanism; 200. a limiting bump; 210. a sliding groove; 20. a material bar clamping assembly; 21. a bottom positioning carrying disc; 22. an upper positioning carrier plate; 23. positioning the tooth socket; 24. positioning teeth; 25. a cartridge head; 26. an elastic member; 261. recessing; 27. a crimping piece; 28. a slot; 29. a cartridge holder; 30. the clamping cylinder head rotates the driving piece; 31. a coupling; 32. a central drive assembly; 321. a driving member body; 322. a lifting drive rod; 33. a shaft pin; 34. pressing and holding the raised head; 35. a limit convex body; 36. and a frame.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1 to 7, the automatic positioning driving center mechanism for milling cutter machining provided by the present invention includes a frame 36, a driving center device 03, and a plurality of pressing devices 02 arranged around the driving center device 03;
the driving center device 03 comprises a center driving assembly 32, a driving carrying disc 19 and a plurality of material bar clamping assemblies 20, the driving carrying disc 19 comprises a bottom positioning carrying disc 21 and an upper positioning carrying disc 22, the bottom positioning carrying disc 21 is arranged on the frame 36, and a meshing part is arranged between the bottom positioning carrying disc 21 and the upper positioning carrying disc 22; the central driving component 32 is used for driving the upper positioning carrying disc 22 and the bottom positioning carrying disc 21 to complete the meshing action; the meshing part comprises a plurality of positioning tooth grooves 23 arranged at the upper end of the bottom positioning carrier disc 21 and a plurality of positioning teeth 24 arranged at the lower end of the upper positioning carrier disc 22, and the positioning teeth 24 protrude to the positioning tooth grooves 23; the central driving component 32 drives the upper positioning carrying disc 22 to lift and rotate relative to the bottom positioning carrying disc 21, and the meshing part is arranged to realize meshing action so as to improve the matching accuracy between the upper positioning carrying disc 22 and the bottom positioning carrying disc 21;
the material bar clamping assemblies 20 are all arranged on the upper positioning carrying disc 22; each material bar clamping assembly 20 is used for clamping one end of a milling cutter material bar 01;
each pressing and holding device 02 comprises a fixed base 1 arranged on the rack 36, a groove block 2 arranged on the fixed base 1 in a replaceable manner and a pressing arm 3 movably arranged on the fixed base 1, wherein the groove block 2 is used for placing the other end of a milling cutter material rod 01, and the pressing arm 3 is used for pressing the milling cutter material rod 01 on the groove block 2.
The milling cutter material bar fixing device comprises a groove block 2, a pressing arm 3 and a groove block body 4, wherein the groove block 2 comprises the groove block body 4 and two side blocking walls 5 arranged on the groove block body 4, a trapezoidal groove 6 used for placing a milling cutter material bar 01 is formed by the groove block body 4 and the two side blocking walls 5 in an enclosing mode, and a space used for fixing the milling cutter material bar 01 is formed by the trapezoidal groove 6 and the pressing arm 3; the two side retaining walls 5 are both provided with notches 7 communicated with the trapezoidal grooves 6;
each material bar clamping assembly 20 comprises a clamping cylinder head 25 rotatably mounted on the upper positioning carrying disc 22, an elastic component 26 mounted in the clamping cylinder head 25 and a buckling and pressing component 27 rotatably mounted in the clamping cylinder head 25, the clamping cylinder head 25 is provided with a slot 28, one end of a milling cutter material bar 01 is inserted into the slot 28, one end of the buckling and pressing component 27 is buckled with the milling cutter material bar 01, and the other end of the buckling and pressing component 27 is abutted against the elastic component 26; the central driving assembly 32 comprises a lifting driving rod 322, one end of the lifting driving rod 322 is rotatably arranged on the frame 36, and the other end of the lifting driving rod 322 is connected with the upper positioning carrying disc 22; the slot 28 is arranged corresponding to the trapezoidal slot 6, and one end of the milling cutter material rod 01 far away from the slot 28 is positioned in the trapezoidal slot 6.
In practical application, an external tool such as a lead screw, an air cylinder and the like is utilized to extend into the clamping cylinder head 25 from an opening on one side of the clamping cylinder head 25 to push the buckling and pressing piece 27, the elastic part 26 is compressed through the buckling and pressing piece 27, one end of the milling cutter material rod 01 is inserted into the slot 28, the elastic part 26 is loosened, the elastic part 26 compresses the buckling and pressing piece 27, one end of the buckling and pressing piece 27, which is far away from the elastic part 26, is buckled and fastened with the milling cutter material rod 01, the feeding and discharging operations of the milling cutter material rod 01 are simple, the working efficiency is improved, the clamping is firm, and the clamping effect is good. The plurality of material bar clamping assemblies 20 are equidistantly distributed on the upper positioning carrier disc 22 and respectively correspond to a plurality of processing stations, when the milling cutter material bar 01 needs to be transferred to the next processing station, the lifting driving rod 322 drives the upper positioning carrier disc 22 to move upwards for a certain distance, so that the positioning teeth 24 are separated from the positioning tooth grooves 23, the bottom positioning carrier disc 21 is kept still, the upper positioning carrier disc 22 can rotate at a certain angle relative to the bottom positioning carrier disc 21, the position of the milling cutter material bar 01 is approximately matched with the processing station corresponding to the target, the lifting driving rod 322 drives the upper positioning carrier disc 22 to move downwards, the milling cutter material bar 01 and the processing station automatically perform accurate positioning in the process that the positioning teeth 24 fall into the positioning tooth grooves 23, the milling cutter material bar 01 to be processed can be accurately matched with the corresponding processing station, the positioning effect is good, and the processing accuracy is high.
In the processing process, one end of a milling cutter material rod 01 is fixedly arranged on a clamping barrel head 25, the other end of the milling cutter material rod 01 is limited in a trapezoidal groove 6, two side blocking walls 5 are abutted against the outer peripheral surface of the milling cutter material rod 01, a pressing arm 3 is pressed downwards and abutted against the outer peripheral surface of the milling cutter material rod 01 to tightly press the milling cutter material rod 01 on the trapezoidal groove 6, and the milling cutter material rod 01 has a certain length, so that the milling cutter material rod 01 is poor in pressure bearing performance and easy to break in the aspect of the milling cutter material rod 01 with a small diameter ratio, and the groove block 2 can provide upward supporting force for the milling cutter material rod 01 to prevent the milling cutter material rod 01 from breaking; because the dovetail groove 6 has trilateral can conflict with the outer peripheral face of milling cutter material stick 01, so dovetail groove 6 compares in traditional "V" shape groove, can increase the effective bearing area to milling cutter material stick 01, and consequently the design of dovetail groove 6 can make milling cutter material stick 01 atress even, prevents that milling cutter material stick 01 from skidding, and the machining precision is high. The groove block 2 is made of wear-resistant materials, can be replaced according to different milling cutter material rods 01, and can be suitable for the milling cutter machining and forming of various specifications. The notch 7 is positioned in the middle of the side retaining wall 5, and the notch 7 of the groove block 2 is designed to ensure the supporting effect, save the manufacturing materials of the groove block 2 and reduce the cost.
Specifically, the fixed base 1 is provided with a pressure arm driving part 17, the output end of the pressure arm driving part 17 is connected with one end of a pressure arm 3, the other end of the pressure arm 3 and the trapezoidal groove 6 form a space for fixing a milling cutter material rod 01, and the middle part of the pressure arm 3 is movably connected with the fixed base 1. In practical applications, the pressing arm driving member 17 may be a driving member such as an air cylinder, an electric cylinder, a screw rod, etc., in this embodiment, the pressing arm driving member 17 is an air cylinder; the middle part of the pressure arm 3 can be hinged or slidably connected with the fixed base 1, and in this embodiment, the middle part of the pressure arm 3 can be hinged with the fixed base 1. The working principle of the pressure arm 3 in this embodiment is as follows: the pressing arm driving part 17 works to jack up one end of the pressing arm 3, and the middle part of the pressing arm 3 is hinged with the fixedly-mounted base 1, so that the other end of the pressing arm 3 is pressed downwards to tightly press the milling cutter material bar 01 on the trapezoidal groove 6. Preferably, the fixed base 1 may further include a limiting protrusion 200, and the pressing arm 3 includes a sliding groove 210 matching with the limiting protrusion 200, so as to improve stability and accuracy of the pressing arm 3 during movement.
In this embodiment, the fixed base 1 is provided with a top clamping groove 8, the top clamping groove 8 is formed by enclosing a first side groove wall 10, a bottom groove wall 11 and a second side groove wall 12, and the first side groove wall 10 is vertical; a clamping top piece 9 is arranged in the clamping top groove 8, a clamping top protrusion 13 is convexly arranged on one side wall of the clamping top piece 9, the other side wall, far away from the clamping top protrusion 13, of the clamping top piece 9 is inclined and abuts against a second side groove wall 12, the clamping top piece 9 abuts against the groove block 2, the clamping top protrusion 13 is inserted into a notch 7, and the clamping top piece 9 is used for locking the groove block 2 to the fixing base 1, so that the groove block 2 is convenient to replace. The fixing base 1 is provided with a groove block mounting groove 14, the groove block 2 is limited in the groove block mounting groove 14, and the groove block mounting groove 14 is adjacent to the clamping top groove 8. Specifically, when the groove block 2 is replaced, the groove block 2 is placed in the groove block mounting groove 14, and then the clamping and ejecting piece 9 is placed in the clamping and ejecting groove 8, so that the replacement operation of the groove block 2 is quick and simple, and the working efficiency is improved; the second side groove wall 12 is inclined, the other side wall of the clamping top piece 9 far away from the clamping top protrusion 13 is inclined, the clamping top piece 9 can fall along the second side groove wall 12, the groove block 2 cannot transversely move in the horizontal direction after being locked by the clamping top piece 9, the position deviation of the milling cutter material rod 01 is effectively prevented, the locking effect is good, and the machining precision is high.
In this embodiment, the pressing device 02 further includes a bearing block 15 and a bearing block adjusting mechanism 190, the bearing block adjusting mechanism 190 is fixed on the fixed base 1, the bearing block 15 is disposed on the bearing block adjusting mechanism 190, and the bearing block adjusting mechanism 190 is used for adjusting the position of the bearing groove 16; bearing block 15 has seted up bearing groove 16, and bearing groove 16 corresponds the setting with dovetail groove 6, and the one end of milling cutter material stick 01 is spacing in dovetail groove 6, and the other end of milling cutter material stick 01 is spacing in bearing groove 16. The bearing groove 16 is a "V" shaped groove. Specifically, the bearing block adjusting mechanism 190 can be a motor, an electric cylinder or an air cylinder, in practical application, the bearing block adjusting mechanism 190 drives the bearing block 15 to move in a fine adjustment mode, so that the central axis of the bearing groove 16 and the central axis of the trapezoidal groove 6 are coaxially arranged, the bearing groove 16 and the trapezoidal groove 6 are accurately positioned, accurate positioning of the milling cutter material rod 01 is further achieved, the position of the bearing groove 16 can be adjusted according to the length and the outer diameter of the milling cutter material rod 01, and the milling cutter material rod adjusting mechanism can be suitable for milling cutters of different specifications to be machined and molded; because milling cutter stub bar 01 is rectangular bar-shaped, milling cutter stub bar 01's fluting end leads to the fracture because the holding power is not enough easily, and bearing block 15 is used for providing the holding power to milling cutter stub bar 01's fluting end, prevents the fracture.
In this embodiment, the pressing member 27 is rotatably mounted to the cartridge head 25 via a shaft pin 33, a pressing protrusion 34 is provided at one end of the pressing member 27, and the outer peripheral surface of the milling cutter material rod 01 abuts against the pressing protrusion 34. Specifically, the buckling and pressing member 27 is an integrally formed structure, so that the structure is firmer and has long service life. In practical application, the elastic component 26 is compressed by using an external tool such as a lead screw, an air cylinder, etc., one end of the pressing component 27 away from the pressing raised head 34 moves along the left direction in fig. 3, one end of the pressing component 27 provided with the pressing raised head 34 moves along the right direction in fig. 5, the pressing component 27 is in an open state, and one end of the milling cutter material rod 01 is inserted into the slot 28; when the external tool is removed, the elastic component 26 is restored, the end of the pressing component 27 away from the pressing raised head 34 moves along the right direction in fig. 3, the end of the pressing component 27 provided with the pressing raised head 34 moves along the left direction in fig. 2, and the pressing component 27 is in the closed and locked state.
In this embodiment, one end of the pressing member 27 away from the pressing protrusion 34 is provided with a plurality of limiting protrusions 35; when the elastic member 26 is relaxed, the elastic member 26 is restrained by the restraining protrusion 35. Specifically, one end of the elastic member 26 is provided with a plurality of recesses 261, and the plurality of position-limiting protrusions 35 respectively protrude into the plurality of recesses 261. The arrangement of the limiting convex body 35 and the recess 261 effectively prevents the elastic component 26 from deviating in position, and the elastic component 26 can be guaranteed to be elastically pressed to achieve the best effect, so that the feeding and discharging operations of the milling cutter material bar 01 are simple, the working efficiency is improved, the clamping is firm, and the clamping effect is good.
In this embodiment, the material rod clamping assembly 20 further includes a barrel holder 29 disposed on the upper positioning tray 22 and a barrel head rotation driving member 30 disposed on the barrel holder 29, the barrel head 25 is rotatably disposed at one end of the barrel holder 29, and an output end of the barrel head rotation driving member 30 is connected to the barrel head 25. Specifically, when the milling cutter material bar 01 needs to be grooved, edged or polished, the clamping barrel head rotating driving piece 30 drives the clamping barrel head 25 to rotate, the milling cutter material bar 01 rotates along with the clamping barrel head rotating driving piece, and the milling cutter material bar 01 is processed by the processing station.
In this embodiment, the output end of the collet head rotation driving member 30 is connected with the coupler 31, and one end of the coupler 31 far away from the collet head rotation driving member 30 is fixedly connected with the collet head 25. Specifically, the coupling 31 is used for coupling the collet head rotation driving member 30 and the collet head 25 to rotate together and transmit torque, and the coupling 31 also has the functions of buffering, damping and improving the dynamic performance of a shaft system.
In this embodiment, the central driving assembly 32 further includes a driving member body 321, the driving member body 321 is installed on the frame 36, and the driving member body 321 is drivingly connected to the lifting driving rod 322. Specifically, the driving member body 321 can be a motor, and the driving member body 321 is used for driving the lifting driving rod 322 to rotate; the lifting driving rod 322 can be an electric push rod. In practical application, the lifting driving rod 322 moves upwards along the vertical direction, so that one end of the upper positioning carrying disc 22 moves upwards for a distance and is separated from the bottom positioning carrying disc 21, the positioning teeth 24 are separated from the positioning tooth grooves 23, the bottom positioning carrying disc 21 is kept stationary relative to the rack 36, after the upper positioning carrying disc 22 rotates for a certain angle, the position of the milling cutter material rod 01 is approximately matched with the corresponding processing station, the lifting driving rod 322 drives the upper positioning carrying disc 22 to move downwards, and in the process that the positioning teeth 24 fall into the positioning tooth grooves 23, the milling cutter material rod 01 and the processing station are automatically and accurately positioned.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides an automatic milling cutter processing drive center mechanism of location, includes the frame, its characterized in that: the device also comprises a driving center device and a plurality of pressing devices annularly arranged on the periphery of the driving center device;
the driving center device comprises a center driving assembly, a driving carrying disc and a plurality of material bar clamping assemblies, wherein the driving carrying disc comprises a bottom positioning carrying disc and an upper positioning carrying disc, the bottom positioning carrying disc is arranged on the rack, and a meshing part is arranged between the bottom positioning carrying disc and the upper positioning carrying disc; the central driving assembly is used for driving the upper positioning carrying disc and the bottom positioning carrying disc to complete meshing action;
the material rod clamping assemblies are arranged on the upper positioning carrying disc; each material bar clamping assembly is used for clamping one end of a milling cutter material bar;
each pressing and holding device comprises a fixed base arranged on the rack, a groove block arranged on the fixed base in a replaceable mode and a pressing arm movably arranged on the fixed base, the groove block is used for placing the other end of the milling cutter material rod, and the pressing arm is used for pressing the milling cutter material rod onto the groove block.
2. The automatically positioning drive center mechanism for milling cutter machining according to claim 1, wherein: the meshing part comprises a plurality of positioning tooth grooves formed in the upper end of the bottom positioning carrying disc and a plurality of positioning teeth formed in the lower end of the upper positioning carrying disc, and the positioning teeth extend to the positioning tooth grooves; the central driving assembly comprises a lifting driving rod, one end of the lifting driving rod is rotatably arranged on the rack, and the other end of the lifting driving rod is connected with the upper positioning carrying disc.
3. The automatically positioning drive center mechanism for milling cutter machining according to claim 2, wherein: the central driving assembly further comprises a driving piece body, the driving piece body is installed on the rack, and the driving piece body is in driving connection with the lifting driving rod.
4. The automatically positioning drive center mechanism for milling cutter machining according to claim 1, wherein: each material bar clamping assembly comprises a clamping cylinder head rotatably mounted on the upper positioning carrying disc, an elastic component mounted in the clamping cylinder head and a buckling and pressing component rotatably mounted in the clamping cylinder head, the clamping cylinder head is provided with a slot, one end of a milling cutter material bar is inserted into the slot, one end of the buckling and pressing component is buckled and pressed with the milling cutter material bar, and the other end of the buckling and pressing component abuts against the elastic component;
the groove block comprises a groove block body and two side retaining walls arranged on the groove block body, a trapezoidal groove used for placing a milling cutter material rod is formed by the groove block body and the two side retaining walls in a surrounding mode, and a space used for fixing the milling cutter material rod is formed by the trapezoidal groove and the pressing arm; the slot and the trapezoidal groove are arranged correspondingly, and one end of the milling cutter material rod, which is far away from the slot, is positioned in the trapezoidal groove;
and the two side retaining walls are provided with notches communicated with the trapezoidal grooves.
5. The automatically positioning drive center mechanism for milling cutter machining according to claim 4, wherein: the material bar clamping assembly further comprises a clamping barrel seat arranged on the upper positioning carrying disc and a clamping barrel head rotating driving piece arranged on the clamping barrel seat, the clamping barrel head is rotatably arranged at one end of the clamping barrel seat, and the output end of the clamping barrel head rotating driving piece is connected with the clamping barrel head;
the output end of the clamping barrel head rotating driving piece is connected with a coupler, and one end, far away from the clamping barrel head rotating driving piece, of the coupler is fixedly connected with the clamping barrel head.
6. The automatically positioning drive center mechanism for milling cutter machining according to claim 4, wherein: the buckling and pressing piece is rotatably arranged on the clamping barrel head through a shaft pin, one end of the buckling and pressing piece is provided with a pressing and holding raised head, and the peripheral surface of the milling cutter material rod is abutted against the pressing and holding raised head; and a plurality of limiting convex bodies are arranged at one end of the buckling and pressing piece, which is far away from the pressing and holding raised head, and when the elastic part expands, the elastic part is limited on the limiting convex bodies.
7. The automatically positioning drive center mechanism for milling cutter machining according to claim 4, wherein: the fixed base is provided with a clamping top groove, the clamping top groove is formed by enclosing a first side groove wall, a bottom groove wall and a second side groove wall, the first side groove wall is vertical, and the second side groove wall is inclined; a clamping top piece is arranged in the clamping top groove, a clamping top protrusion is convexly arranged on one side wall of the clamping top piece, the other side wall of the clamping top piece, which is far away from the clamping top protrusion, is inclined and is abutted against the wall of the second side groove, the clamping top piece is abutted against the groove block, and the clamping top protrusion is inserted into one notch; the fixed base is provided with a groove block mounting groove, the groove block is limited in the groove block mounting groove, and the groove block mounting groove is adjacent to the clamping top groove.
8. The automatically positioning drive center mechanism for milling cutter machining according to claim 4, wherein: the pressing and holding device further comprises a bearing block and a bearing block adjusting mechanism, the bearing block adjusting mechanism is fixed on the fixed base, the bearing block is arranged on the bearing block adjusting mechanism, a bearing groove is formed in the bearing block, the bearing groove is arranged corresponding to the trapezoidal groove, one end of the milling cutter material rod is limited in the trapezoidal groove, and the other end of the milling cutter material rod is limited in the bearing groove; the bearing groove is a V-shaped groove.
9. The automatically positioning drive center mechanism for milling cutter machining according to claim 4, wherein: the milling cutter material rod fixing device is characterized in that a pressing arm driving piece is mounted on the fixing base, the output end of the pressing arm driving piece is connected with one end of the pressing arm, the other end of the pressing arm and the trapezoidal groove form a space for fixing the milling cutter material rod, and the middle of the pressing arm is movably connected with the fixing base.
10. The automatically positioning drive center mechanism for milling cutter machining according to claim 4, wherein: the groove block body and the two side retaining walls are integrally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944845.8U CN215880763U (en) | 2021-08-18 | 2021-08-18 | Automatic milling cutter processing drive center mechanism of location |
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| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116061028A (en) * | 2023-03-02 | 2023-05-05 | 湖南金岭机床科技集团有限公司 | Carrier plate positioning device of multi-column high-precision polishing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116061028A (en) * | 2023-03-02 | 2023-05-05 | 湖南金岭机床科技集团有限公司 | Carrier plate positioning device of multi-column high-precision polishing machine |
| CN116061028B (en) * | 2023-03-02 | 2023-06-13 | 湖南金岭机床科技集团有限公司 | Carrier plate positioning device of multi-column high-precision polishing machine |
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