CN106926071B - Special machine for fine grinding of three-axis linkage hob cutting edge - Google Patents
Special machine for fine grinding of three-axis linkage hob cutting edge Download PDFInfo
- Publication number
- CN106926071B CN106926071B CN201710254964.2A CN201710254964A CN106926071B CN 106926071 B CN106926071 B CN 106926071B CN 201710254964 A CN201710254964 A CN 201710254964A CN 106926071 B CN106926071 B CN 106926071B
- Authority
- CN
- China
- Prior art keywords
- hob
- tailstock
- sleeve
- driving motor
- sliding
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
- B24B3/42—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades helically bent, e.g. for lawn mowers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention discloses a special machine for finely grinding a cutting edge of a three-axis linkage hobbing cutter, which has the technical scheme that the special machine comprises a machine tool, and a grinding device, a mounting device and a reciprocating device which are arranged on the machine tool, wherein the grinding device comprises a grinding wheel and a first driving motor; the mounting device comprises a second driving motor and a clamping mechanism, the clamping mechanism comprises a connector and a tailstock, the tailstock comprises a rotary top head, and the rotary top head can rotate on the tailstock along with the rotary top head when the second driving motor drives the hobbing cutter to rotate; reciprocating apparatus is provided with the mounting bracket including slide and slide rail and third driving motor on the slide, be provided with on the slide to be used for supplying the tailstock directional spout that slides on the slide, the protruding direction slider with spout looks adaptation that is equipped with in the bottom surface of tailstock, the length direction of spout is unanimous with the axial of second driving motor output, be provided with on the tailstock can with slide fixed connection's locking mechanism. The special fine grinding machine can uniformly grind the edges of the Archimedes spiral movable blades.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a special machine for finely grinding a cutting edge of a three-axis linkage hobbing cutter.
Background
With the rapid development of animal husbandry and the adjustment of corn planting structure, the harvesting of corn silage or both ear and straw is rapidly developed, so that the harvester for straw crops is widely applied. However, when the machine is operated to a certain amount, the movable knife edge on the chopping hob of the straw chopping device can be abraded in different degrees, so that the chopping quality is poor, the power consumption is high, and the knife needs to be sharpened. Because the chopping hob of the straw chopping device is provided with a plurality of movable blades, if one movable blade is sharpened, the efficiency is low, and the dynamic balance of the chopping hob is difficult to ensure. In addition, the existing movable blade is spirally wound on the circumferential side wall of the hob, so that the existing knife sharpening equipment cannot uniformly sharpen the Archimedes spiral movable blade, and the sharpening quality is not favorable.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a special machine for accurately grinding the cutting edge of a three-axis linkage hob, which can uniformly grind the Archimedes spiral moving blade.
In order to realize the purpose, the invention provides the following technical scheme: a three-axis linkage hob cutting edge fine grinding special machine comprises a machine tool, a grinding device, an installation device and a reciprocating device, wherein the grinding device is arranged on the machine tool and used for grinding a hob, the installation device is used for installing the hob, and the reciprocating device is used for driving the installation device to reciprocate; the mounting device comprises a second driving motor for driving the hob to rotate and a clamping mechanism for clamping and fixing the hob, the clamping mechanism comprises a connector for connecting one end of the hob and a tailstock for pushing the other end of the hob to push the hob to the connector, the connector is fixedly connected to the output end of the second driving motor, the tailstock comprises a rotary top head for pushing the hob and capable of rotating along with the hob, one end of the hob is connected with the output end of the second driving motor through the connector, the rotary top head pushes the other end of the hob to fix the hob, and the rotary top head can rotate along with the tailstock when the second driving motor drives the hob to rotate; reciprocating device is including the slide that is used for supplying the installation of installation device to and set up the slide rail that is used for supplying the slide to connect on the lathe to and be used for driving the third driving motor that the slide reciprocated on the slide rail and slide, be provided with the mounting bracket that is used for installing second driving motor on the slide, be provided with the spout that is used for supplying the tailstock to orient on the slide to slide on the slide, the protruding direction slider with spout looks adaptation that is equipped with in bottom surface of tailstock, the length direction of spout is unanimous with the axial of second driving motor output, be provided with on the tailstock can with slide fixed connection's locking mechanism.
The invention is further configured to: the connector comprises a connecting seat and a rotating rod axially penetrating through the hob, one end of the rotating rod penetrating through the hob is coaxially connected with the connecting seat, the other end of the rotating rod penetrating through the hob is abutted to a rotating top head, a connecting piece for driving the hob to rotate is arranged on the connecting seat, a plurality of connecting pieces are arranged on the connecting piece and are uniformly arranged into a circle by taking the rotating rod as a circle center, and a connecting hole for connecting the connecting piece is formed in a cutter disc at one end, close to the connector, of the hob; one end of the rotating rod penetrating through the hobbing cutter is connected with the connecting seat, the other end of the rotating rod is abutted against the rotating top, and the second driving motor drives the connecting seat to rotate, so that the connecting piece is a force arm to drive the hobbing cutter to rotate by taking the rotating rod as an axis.
The invention is further configured to: the rotary top head also comprises a collision sleeve which is collided with the end face of the cutter disc at one end of the hob close to the tailstock, and when the rotary top head is collided with one end of the hob, the collision sleeve presses the end face of the cutter disc and applies pressure to the other end; the connecting piece is arranged on the connecting seat in a sliding manner along the axial direction of the connecting piece, the connecting seat is provided with a sliding through hole for the connecting piece to pass through, the bottom of the sliding through hole is provided with an elastic piece, and one end of the connecting piece is abutted against the elastic piece while the other end is connected with the cutter head; the connecting piece is pressed against the elastic piece when the abutting sleeve presses the hobbing cutter to axially slide on the rotating rod.
The invention is further configured to: the utility model discloses a connector, including the shaft sleeve and the main shaft of coaxial setting, the shaft sleeve passes through mounting bracket fixed mounting on the slide, the cover is equipped with the bearing and connects in the axle sleeve internal rotation on the main shaft, the delivery end fixed connection of shaft coupling and second driving motor is passed through to the one end of main shaft, the other end and the connecting seat of main shaft can be dismantled and be connected.
The invention is further configured to: the rotary top is characterized in that an air cylinder used for driving the rotary top to apply pressure to the hobbing cutter is fixedly arranged on the tailstock, a guide post is connected to the tailstock in an axial sliding mode, an installation sleeve used for inserting the rotary top is connected to the tailstock in an axial sliding mode, a connecting plate is fixedly connected to the end portion of a piston rod of the air cylinder, the connecting plate is fixedly connected to the end portion of the guide post and the end portion of the installation sleeve, the axial sliding direction of the piston rod of the air cylinder is parallel to the axial direction of the guide post and the axial direction of the installation sleeve, and the rotary top is inserted into one end, penetrating through the connecting plate, of the installation sleeve.
The invention is further configured to: the rotary top head comprises an insertion rod which can be inserted into the mounting sleeve, the outer diameter of the insertion rod is gradually reduced from one end of the insertion rod to the other end of the insertion rod, the inner wall of the mounting sleeve is matched with the insertion rod to form a conical structure, and a kidney-shaped groove for detaching the rotary top head is formed in the side wall of the mounting sleeve; a positioning block is convexly arranged on the circumferential outer side wall of the mounting sleeve, a positioning groove for embedding the positioning block is formed in the connecting plate, and a limiting plate for limiting the positioning block in the positioning groove is connected to one side, located at the opening end of the positioning groove, of the connecting plate; the one end cover that the dwang is close to rotatory top is equipped with the steel bushing, the embedded steel bushing seat that is equipped with the steel bushing conflict of conflict sleeve, the conical structure setting of binding face of steel bushing and steel bushing seat.
The invention is further configured to: the locking mechanism comprises a positioning through hole arranged on the tailstock and a positioning screw rod in threaded connection with the positioning through hole; the tail seat is fixedly connected with the sliding seat when the positioning screw is screwed towards the sliding seat in the positioning through hole and is abutted against the sliding seat, otherwise, the tail seat can slide on the sliding seat when the positioning screw is screwed upwards from the positioning through hole and is separated from the sliding seat.
The invention is further configured to: the cross section of the sliding chute along the length direction of the sliding chute is arranged in an L-shaped structure, the sliding chute is obliquely arranged towards one side of the grinding device along the depth direction of the sliding chute, and the extension line direction of the grinding wheel axis towards the hob axis is perpendicular to the oblique direction of the sliding chute.
The invention is further configured to: still including being used for driving the grinding device and being close to or keeping away from the compensation arrangement that feeds of hobbing cutter on the lathe, feed compensation arrangement including the mount pad that supplies the grinding device installation with set up the rail that slides that is used for supplying the mount pad to connect on the lathe to and be used for driving the fourth driving motor that the mount pad is close to or keeps away from the hobbing cutter on the rail that slides.
In conclusion, the invention has the following beneficial effects: when the structure is used, the hob can be fixedly installed through the installation device firstly, the first driving motor is started when the blade is ground, the second driving motor drives the hob to rotate when the grinding wheel grinds the movable blade, meanwhile, the reciprocating device drives the hob to reciprocate along the length direction of the hob, and through setting the rotation speed ratio of the second driving motor to the third driving motor, uniform sharpening of the Archimedes spiral-shaped movable blade can be easily realized, the setting can be set through the control panel, and the sharpening quality of the movable blade can be improved.
Drawings
FIG. 1 is a schematic perspective view of a special machine for fine grinding of the cutting edge of a three-axis linked hob;
FIG. 2 is a perspective view of a portion of the clamping mechanism;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic perspective view of a tailstock part;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
FIG. 6 is a schematic perspective view of the hob;
FIG. 7 is a schematic perspective view of a machine tool and a part of the apparatus;
fig. 8 is a schematic structural view of the inclined chute.
Reference numerals: 1. a machine tool; 2. a grinding device; 21. a grinding wheel; 22. a first drive motor; 3. a mounting device; 31. a second drive motor; 4. a clamping mechanism; 41. a connector; 411. a connecting seat; 412. rotating the rod; 4121. steel bushing; 413. a connecting member; 414. a slip through hole; 415. an elastic member; 5. a tailstock; 51. rotating the plug; 511. abutting against the sleeve; 5111. a steel sleeve seat; 512. a plug rod; 52. a guide slider; 53. a locking mechanism; 531. positioning the through hole; 532. positioning a screw rod; 54. a cylinder; 55. a guide post; 56. installing a sleeve; 561. a kidney-shaped groove; 562. positioning blocks; 57. a connecting plate; 571. positioning a groove; 572. a limiting plate; 6. a reciprocating device; 61. a slide base; 611. a mounting frame; 612. a chute; 62. a slide rail; 63. a third drive motor; 7. hobbing cutters; 71. a cutter head; 711. mounting holes; 712. connecting holes; 72. a movable blade; 8. a buffer; 81. a shaft sleeve; 82. a main shaft; 83. a bearing; 84. a coupling; 9. a feed compensation device; 91. a mounting base; 92. sliding the rail; 93. and a fourth driving motor.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-8, the special machine for finely grinding the cutting edge of the three-axis linked hob comprises a machine tool 1, a grinding device 2 arranged on the machine tool 1 and used for grinding a hob 7, a mounting device 3 used for mounting the hob 7, and a reciprocating device 6 used for driving the mounting device 3 to reciprocate. The existing hob 7 mainly comprises a cutter disc 71 and a movable blade 72, wherein mounting holes 711 are coaxially arranged on the cutter disc 71 in a penetrating manner, at least two cutter discs 71 are arranged, a plurality of cutter discs 71 can be uniformly arranged along the length direction of the movable blade 72, two of the cutter discs 71 are respectively and fixedly arranged at two ends of the movable blade 72 in the length direction and are used as mounting discs mounted on a chopping device, and the movable blade 72 is provided with a plurality of movable blades and spirally wound on the circumferential side wall of the cutter disc 71 to form the hob 7. The grinding device 2 includes a grinding wheel 21 rotatably connected to the machine tool 1, and a first driving motor 22 for driving the grinding wheel 21 to rotate, and the structure belongs to the structure of the existing grinding machine, and therefore, the description is omitted.
The mounting device 3 comprises a second driving motor 31 used for driving the hob 7 to rotate and a clamping mechanism 4 used for clamping and fixing the hob 7, the second driving motor 31 can be a servo motor, the clamping mechanism 4 comprises a connector 41 used for being connected with one end of the hob 7 and a tailstock 5 used for pushing the other end of the hob 7 to push the hob 7 to the connector 41, the connector 41 is fixedly connected to the output end of the second driving motor 31, the tailstock 5 comprises a rotary top 51 used for pushing the hob 7 and capable of rotating along with the hob 7, one end of the hob 7 is connected with the output end of the second driving motor 31 through the connector 41, the rotary top 51 pushes the other end of the hob 7 to fix the hob 7, and the rotary top 51 can rotate along with the tailstock 5 when the second driving motor 31 drives the hob 7 to rotate.
The reciprocating device 6 includes a slide seat 61 for installing the installation device 3, a slide rail 62 arranged on the machine tool 1 and used for connecting the slide seat 61, and a third driving motor 63 for driving the slide seat 61 to slide on the slide rail 62 in a reciprocating manner, the slide seat 61 can slide along the length direction of the slide rail 62, and the third driving motor 63 drives the slide seat 61 to slide on the slide rail 62, which can be realized by a worm gear in the prior art, and is disclosed in structures of various machine tool 1 devices, which is not described in detail in the application. The slide base 61 is provided with a mounting frame 611 for mounting the second driving motor 31, the slide base 61 is provided with a sliding groove 612 for the tail seat 5 to directionally slide on the slide base 61, the bottom surface of the tail seat 5 is convexly provided with a guide sliding block 52 matched with the sliding groove 612, the length direction of the sliding groove 612 is consistent with the axial direction of the output end of the second driving motor 31, and the tail seat 5 is provided with a locking mechanism 53 which can be fixedly connected with the slide base 61.
Above-mentioned structure can pass through installation device 3 fixed mounting with hobbing cutter 7 earlier when using, start first driving motor 22 during the grinding edge, second driving motor 31 drives hobbing cutter 7 and rotates when emery wheel 21 grinds movable blade 72, reciprocating device 6 drives hobbing cutter 7 along its length direction reciprocating motion simultaneously, through setting for the rotational speed ratio of second driving motor 31 and third driving motor 63, grind the one end of emery wheel 21 driven blade 72 at the uniform velocity to the other end, thereby can realize easily carrying out even edging to Archimedes spiral shaped movable blade 72, the settlement accessible control panel of this rotational speed ratio sets for, belong to prior art, this application is not repeated, therefore this equipment of whetting a knife not only can realize, more can be favorable to improving the edging quality of movable blade 72.
The connector 41 comprises a connecting seat 411 and a rotating rod 412 axially penetrating through the hob 7, one end of the rotating rod 412 penetrating through the hob 7 is coaxially connected with the connecting seat 411, the other end of the rotating rod 412 penetrating through the hob 7 is abutted to the rotary top 51, a connecting piece 413 for driving the hob 7 to rotate is arranged on the connecting seat 411, the connecting piece 413 is provided with a plurality of connecting holes 712 for connecting the connecting piece 413, and the connecting holes 712 are uniformly arranged into a circle by taking the rotating rod 412 as a circle center, and are arranged on a cutter disc 71 of one end of the hob 7 close to the connector 41; the rotating rod 412 penetrates one end of the hob 7 to be connected with the connecting seat 411, the other end of the rotating rod is abutted against the rotary top 51, and the connecting part 413 serves as an arm of force to drive the hob 7 to rotate by taking the rotating rod 412 as an axis in the process that the second driving motor 31 drives the connecting seat 411 to rotate. When the hob cutter 7 is clamped, the rotating rod 412 penetrates through the mounting holes 711, the connecting piece 413 is connected with the cutter disc 71 after the rotating rod 412 is arranged in place, the structure drives the connecting seat 411 to rotate in the process at the second driving motor 31, the connecting piece 413 can be used as a force arm to drive the hob cutter 7 to rotate by taking the rotating rod 412 as an axis, a plurality of connecting pieces 413 are needed to be arranged for improving the stability of the hob cutter 7 in rotation, therefore, the hob cutter 7 can also stably rotate in the sharpening process when the connecting seat 411 rotates, and uniform sharpening of the movable blade 72 is facilitated.
The rotary top head 51 also comprises an abutting sleeve 511 abutting against the end face of the cutter disc 71 at one end of the hob 7 close to the tailstock 5, and when the rotary top head 51 abuts against one end of the hob 7, the abutting sleeve 511 presses against the end face of the cutter disc 71 and applies pressure to the other end; the connecting piece 413 is arranged on the connecting seat 411 in a sliding manner along the axial direction of the connecting piece, the connecting seat 411 is provided with a sliding through hole 414 for the connecting piece 413 to pass through, the bottom of the sliding through hole 414 is provided with an elastic piece 415, one end of the connecting piece 413 is abutted to the elastic piece 415, and the other end of the connecting piece 413 is connected with the cutter head 71; the connection piece 413 is pressed against the elastic piece 415 when the abutment sleeve 511 presses the hob 7 to axially slide on the rotating rod 412. One end of the hob 7 is stably connected with the connecting seat 411 through a plurality of connecting pieces 413, and the other end of the hob 7 is pressed against the cutter disc 71 through a contact sleeve 511 to improve the stability of the rotation of the hob 7 on the rotating rod 412, so that the hob 7 is prevented from shaking during sharpening; and the elasticity of connecting piece 413 sets up and makes hobbing cutter 7 avoid producing deformation when bearing axial effort, because of hobbing cutter 7 has a plurality of movable blades 72 and cutterhead 71 to constitute, and frame construction's hobbing cutter 7 is easy to produce deformation when bearing axial effort, consequently can be cushioned by elastic component 415 when the effort that butts against sleeve 511 and press on hobbing cutter 7 is too big, is favorable to improving the quality of sharpening of hobbing cutter 7.
The delivery end of the second driving motor 31 is provided with a buffer 8 connected with the connector 41, the buffer 8 comprises a shaft sleeve 81 and a spindle 82 which are coaxially arranged, the shaft sleeve 81 is fixedly installed on the sliding base 61 through an installation frame 611, a bearing 83 is sleeved on the spindle 82 and rotatably connected in the shaft sleeve 81, one end of the spindle 82 is fixedly connected with the delivery end of the second driving motor 31 through a coupler 84, and the other end of the spindle 82 is detachably connected with the connecting base 411. The buffer 8 is mainly used for buffering the damage of the radial acting force to the second driving motor 31, and the radial acting force can be the acting force generated when the grinding wheel 21 grinds the movable blade 72, so that the service life of the second driving motor 31 is prolonged. And one end of the main shaft 82 and the connecting seat 411 can be detachably connected in a manner that the bolt penetrates through the connecting seat 411 and then is in threaded connection with the main shaft 82, and the structure is also beneficial to the installation of the elastic element 415 and the connecting element 413.
The tailstock 5 is fixedly provided with an air cylinder 54 used for driving the rotary top 51 to apply pressure to the hob 7, the tailstock 5 is axially connected with a guide column 55 in a sliding manner, the tailstock 5 is further axially connected with an installation sleeve 56 used for inserting the rotary top 51 in a sliding manner, a piston rod end part of the air cylinder 54 is fixedly connected with a connecting plate 57, the connecting plate 57 is fixedly connected with the end part of the guide column 55 and the end part of the installation sleeve 56, the piston rod sliding axial direction of the air cylinder 54 is parallel to the axial direction of the guide column 55 and the axial direction of the installation sleeve 56, and the rotary top 51 is inserted into one end, penetrating through the connecting plate 57, of the installation sleeve 56. The piston rod of the cylinder 54 slides axially, the guide column 55 axially and the mounting sleeve 56 axially, which are parallel to each other and are in a triangular array, when the cylinder 54 of the structure pushes the connecting plate 57, the guide column 55 and the mounting sleeve 56 which are connected in an axial sliding manner on the tailstock 5 have the function of directional guiding, so that the stability of the cylinder 54 when pushing the rotary plug 51 is improved, and the stable end of the rotary plug 51 abutting against the rotating rod 412 is facilitated.
The rotary top head 51 comprises a plug rod 512 which can be inserted into the mounting sleeve 56, the outer diameter of the plug rod 512 is gradually reduced from one end abutting against the sleeve 511 to the other end, the inner wall of the mounting sleeve 56 is matched with the plug rod 512 to form a conical structure, and a waist-shaped groove 561 for detaching the rotary top head 51 is arranged on the side wall of the mounting sleeve 56; the positioning blocks 562 are convexly arranged on the circumferential outer side wall of the mounting sleeve 56, the positioning grooves 571 in which the positioning blocks 562 are embedded are arranged on the connecting plate 57, one side of the connecting plate 57, which is positioned at the opening ends of the positioning grooves 571, is connected with a limiting plate 572 for limiting the positioning blocks 562 in the positioning grooves 571, and the mounting sleeve 56 can be effectively prevented from rotating on the connecting plate 57 through the arrangement of the positioning blocks 562; one end of the rotating rod 412 close to the rotating top head 51 is sleeved with a steel sleeve 4121, a steel sleeve seat 5111 which is abutted against the steel sleeve 4121 is embedded in the abutting sleeve 511, and the abutting surface of the steel sleeve 4121 and the steel sleeve seat 5111 is arranged in a conical structure. The rotary top head 51 is inserted into the abutting sleeve 511 through the inserting rod 512, the conical design can improve the coaxial stability of the rotary top head 51 in the mounting sleeve 56, and the influence on the grinding quality of the hob 7 caused by the shaking of the rotary top head 51 in the mounting sleeve 56 is avoided; in addition, the arrangement of the kidney-shaped groove 561 is also convenient for taking the rotating top head 51 out of the mounting sleeve 56 from the kidney-shaped groove 561, and the additionally arranged steel sleeve 4121 and the steel sleeve seat 5111 enable the steel sleeve 4121 and the steel sleeve seat 5111 to replace the friction between the rotating rod 412 and the rotating top head 51 when the rotating rod 412 rotates, so that the abrasion between the rotating rod 412 and the rotating top head 51 is avoided, and the service life of the rotating top head is prolonged.
The locking mechanism 53 comprises a positioning through hole 531 arranged on the tailstock 5 and a positioning screw 532 screwed in the positioning through hole 531; the tailstock 5 is fixedly connected to the slide base 61 when the positioning screw 532 is screwed into the slide base 61 in the positioning through hole 531 and abuts against the slide base 61, whereas the tailstock 5 is slidable on the slide base 61 when the positioning screw 532 is screwed upward from the positioning through hole 531 and separated from the slide base 61. The locking mechanism 53 is simple in structure and easy to implement, and the tailstock 5 is locked or unlocked by setting the positioning screw 532.
The cross section of the chute 612 in the length direction thereof is arranged in an L-shaped configuration, the chute 612 is arranged in an inclined manner to one side of the grinding device 2 in the depth direction thereof, and the axial center of the grinding wheel 21 is arranged perpendicular to the inclined direction of the chute 612 in the direction of the extension line of the axial center of the hob 7. The sliding groove 612 with the structure can prevent the tailstock 5 from jumping upwards, and meanwhile, due to the inclined arrangement, acting force generated by grinding of the grinding wheel 21 on the hob 7 can be dispersed to the side wall of the sliding groove 612, so that impact force borne by the guide sliding block 52 and the sliding groove 612 can be reduced, and the service life of the guide sliding block can be prolonged.
Still including being used for driving grinding device 2 and being close to or keeping away from feeding compensation arrangement 9 of hobbing cutter 7 on the lathe 1, feeding compensation arrangement 9 is including the mount pad 91 that supplies grinding device 2 installation, and set up the rail 92 that slides that is used for supplying mount pad 91 to connect on lathe 1, and be used for driving mount pad 91 and be close to or keep away from fourth drive motor 93 of hobbing cutter 7 on rail 92 that slides, the feeding compensation arrangement 9 that adds can be the grinding machine structure among the prior art, belong to prior art, the accessible adopts the mode implementation of turbine worm, can adjust the cutting output of once grinding through controlling fourth drive motor 93, be favorable to improving the sharpening quality.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a triaxial linkage hobbing cutter blade correct grinding special plane, including lathe (1) to and set up grinding device (2) that are used for grinding hobbing cutter (7) on lathe (1), and be used for supplying installation device (3) of hobbing cutter (7) installation and be used for driving reciprocating device (6) of installation device (3) reciprocating motion, hobbing cutter (7) are including blade disc (71) and moving blade (72), coaxial running through is provided with mounting hole (711) on blade disc (71), blade disc (71) are provided with two at least, and two blade discs (71) are fixed respectively and are set up the both ends at moving blade (72) length direction, moving blade (72) are provided with a plurality of and the spiral is around establishing on the circumference lateral wall of blade disc (71), characterized by:
the grinding device (2) comprises a grinding wheel (21) which is rotationally connected to the machine tool (1) and a first driving motor (22) which is used for driving the grinding wheel (21) to rotate;
the mounting device (3) comprises a second driving motor (31) for driving the hob (7) to rotate and a clamping mechanism (4) for clamping and fixing the hob (7), the clamping mechanism (4) comprises a connector (41) for connecting one end of the hob (7) and a tailstock (5) for propping the other end of the hob (7) to prop the hob (7) to the connector (41), the connector (41) is fixedly connected to the output end of the second driving motor (31), the tailstock (5) comprises a rotary top head (51) for propping the hob (7) and capable of rotating along with the hob, one end of the hob (7) is connected with the output end of the second driving motor (31) through the connector (41), the rotary top head (51) props the other end of the hob (7) to fix the hob (7), and the rotary top head (51) can rotate along with the tailstock (5) when the second driving motor (31) drives the hob (7) to rotate;
the reciprocating device (6) comprises a sliding seat (61) used for installing the installation device (3), a sliding rail (62) arranged on the machine tool (1) and used for connecting the sliding seat (61), and a third driving motor (63) used for driving the sliding seat (61) to slide on the sliding rail (62) in a reciprocating manner, wherein an installation frame (611) used for installing the second driving motor (31) is arranged on the sliding seat (61), a sliding groove (612) used for enabling the tailstock (5) to slide on the sliding seat (61) in a directional manner is arranged on the sliding seat (61), a guide sliding block (52) matched with the sliding groove (612) is convexly arranged on the bottom surface of the tailstock (5), the length direction of the sliding groove (612) is consistent with the axial direction of the output end of the second driving motor (31), and a locking mechanism (53) fixedly connected with the sliding seat (61) is arranged on the tailstock (5);
the connector (41) comprises a connecting seat (411) and a rotating rod (412) which axially penetrates through the hob (7), one end of the rotating rod (412) penetrating through the hob (7) is coaxially connected with the connecting seat (411), the other end of the rotating rod (412) penetrating through the hob (7) is abutted to a rotating top head (51), a connecting piece (413) used for driving the hob (7) to rotate is arranged on the connecting seat (411), the connecting piece (413) is provided with a plurality of connecting holes (712) which are used for connecting the connecting piece (413) is arranged on a cutter disc (71) at one end, close to the connector (41), of the hob (7); one end of the rotating rod (412) penetrating through the hob (7) is connected with the connecting seat (411), the other end of the rotating rod is abutted against the rotating top head (51), and the connecting piece (413) is used as an arm of force to drive the hob (7) to rotate by taking the rotating rod (412) as an axis in the process that the second driving motor (31) drives the connecting seat (411) to rotate.
2. The special machine for finely grinding the cutting edge of the three-shaft linked hob according to claim 1, which is characterized in that: the rotary top head (51) also comprises a collision sleeve (511) which is collided with the end face of the hob (7) close to the end face of the tailstock (5), and when the rotary top head (51) is collided with one end of the hob (7), the collision sleeve (511) presses the end face of the hob (71) and applies pressure to the other end; the connecting piece (413) is arranged on the connecting seat (411) in a sliding manner along the axial direction of the connecting piece, the connecting seat (411) is provided with a sliding through hole (414) for the connecting piece (413) to pass through, the bottom of the sliding through hole (414) is provided with an elastic piece (415), one end of the connecting piece (413) is abutted to the elastic piece (415), and the other end of the connecting piece (413) is connected with the cutter head (71); when the abutting sleeve (511) presses the hob (7) to axially slide on the rotating rod (412), the connecting piece (413) presses the elastic piece (415).
3. The special machine for finely grinding the cutting edge of the three-shaft linked hob according to the claim 2, which is characterized in that: the delivery end of second driving motor (31) is provided with the connection buffer (8) of connector (41), buffer (8) are including axle sleeve (81) and main shaft (82) of coaxial setting, axle sleeve (81) are through mounting bracket (611) fixed mounting on slide (61), the cover is equipped with bearing (83) at axle sleeve (81) internal rotation on main shaft (82) and is connected, the delivery end fixed connection of shaft coupling (84) and second driving motor (31) is passed through to the one end of main shaft (82), the other end and connecting seat (411) of main shaft (82) can be dismantled and be connected.
4. The special machine for finely grinding the cutting edge of the three-shaft linked hob according to the claim 2 or 3, which is characterized in that: the rotary top is characterized in that an air cylinder (54) used for driving the rotary top (51) to apply pressure to the hob (7) is fixedly arranged on the tailstock (5), a guide column (55) is connected to the tailstock (5) in an axial sliding mode, an installation sleeve (56) used for being connected with the rotary top (51) in an insertion mode is connected to the tailstock (5) in the axial sliding mode, a connecting plate (57) is fixedly connected to the end portion of the piston rod of the air cylinder (54), the end portion of the connecting plate (57) is fixedly connected with the end portion of the guide column (55) and the end portion of the installation sleeve (56) in an insertion mode, the axial sliding direction of the piston rod of the air cylinder (54) is parallel to the axial direction of the guide column (55) and the axial direction of the installation sleeve (56), and the rotary top (51) is connected to one end, penetrating through the connecting plate (57), of the installation sleeve (56).
5. The special machine for finely grinding the cutting edge of the three-shaft linked hob according to claim 4, which is characterized in that: the rotary top head (51) comprises an insertion rod (512) which can be inserted into the mounting sleeve (56), the outer diameter of the insertion rod (512) is gradually reduced from one end of the insertion rod abutting against the sleeve (511) to the other end of the insertion rod, the inner wall of the mounting sleeve (56) is matched with the insertion rod (512) to form a conical structure, and a kidney-shaped groove (561) for dismounting the rotary top head (51) is formed in the side wall of the mounting sleeve (56); the positioning blocks (562) are convexly arranged on the circumferential outer side wall of the mounting sleeve (56), the connecting plate (57) is provided with positioning grooves (571) into which the positioning blocks (562) are embedded, and one side, located at the opening ends of the positioning grooves (571), of the connecting plate (57) is connected with a limiting plate (572) used for limiting the positioning blocks (562) in the positioning grooves (571); one end, close to the rotary top head (51), of the rotary rod (412) is sleeved with a steel sleeve (4121), a steel sleeve seat (5111) which is abutted against the steel sleeve (4121) is embedded in the abutting sleeve (511), and the abutting surface of the steel sleeve (4121) and the steel sleeve seat (5111) is arranged in a conical structure.
6. The special machine for finely grinding the cutting edge of the three-shaft linked hob according to claim 1, which is characterized in that: the locking mechanism (53) comprises a positioning through hole (531) arranged on the tailstock (5) and a positioning screw rod (532) screwed in the positioning through hole (531); the tail seat (5) is fixedly connected with the sliding seat (61) when the positioning screw (532) is screwed towards the sliding seat (61) in the positioning through hole (531) and is abutted against the sliding seat (61), and on the contrary, the tail seat (5) can slide on the sliding seat (61) when the positioning screw (532) is screwed upwards from the positioning through hole (531) and is separated from the sliding seat (61).
7. The special machine for finely grinding the cutting edge of the three-shaft linked hob according to claim 1, which is characterized in that: the cross section of the sliding groove (612) along the length direction of the sliding groove is arranged in an L-shaped structure, the sliding groove (612) is obliquely arranged towards one side of the grinding device (2) along the depth direction of the sliding groove, and the extension line direction of the axis of the grinding wheel (21) towards the axis of the hob (7) is vertically arranged with the oblique direction of the sliding groove (612).
8. The special machine for finely grinding the cutting edge of the three-axis linked hob according to claim 1, which is characterized in that: still including being used for driving grinding device (2) and being close to or keeping away from feeding compensation arrangement (9) of hobbing cutter (7) on lathe (1), feeding compensation arrangement (9) including mount pad (91) that supply grinding device (2) to install with set up and be used for supplying slide rail (92) that mount pad (91) are connected on lathe (1) to and be used for driving fourth driving motor (93) that mount pad (91) are close to or keep away from hobbing cutter (7) on slide rail (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254964.2A CN106926071B (en) | 2017-04-18 | 2017-04-18 | Special machine for fine grinding of three-axis linkage hob cutting edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254964.2A CN106926071B (en) | 2017-04-18 | 2017-04-18 | Special machine for fine grinding of three-axis linkage hob cutting edge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106926071A CN106926071A (en) | 2017-07-07 |
| CN106926071B true CN106926071B (en) | 2023-02-28 |
Family
ID=59438341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710254964.2A Active CN106926071B (en) | 2017-04-18 | 2017-04-18 | Special machine for fine grinding of three-axis linkage hob cutting edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106926071B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984390A (en) * | 2017-11-21 | 2018-05-04 | 山东理工大学 | A kind of ensilage machine automatic knife-grinding apparatus |
| CN108115302A (en) * | 2017-12-19 | 2018-06-05 | 马鞍山市绿之友机械制造有限公司 | A kind of processing method for cutting careless hobboing cutter |
| CN112757060A (en) * | 2020-12-24 | 2021-05-07 | 莱芜泰山煤矿机械有限公司 | Hobbing cutter sharpening tool |
| CN113001265B (en) * | 2021-03-18 | 2022-03-22 | 常州机电职业技术学院 | Method for determining grinding wheel parameters of tool grinder for grinding spiral groove hob |
| CN113118885B (en) * | 2021-03-20 | 2022-11-11 | 南京南洋机械有限公司 | High-precision milling method for hob of hard alloy granulator |
| CN112935945B (en) * | 2021-03-31 | 2023-05-09 | 成都工具研究所有限公司 | Automatic processing machine tool for precise blade forming and automatic processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB236446A (en) * | 1924-11-26 | 1925-07-09 | John Gladstone Roberts | Improvements in machines for grinding or sharpening the blades or cutters of mowing and similar machines |
| US5879224A (en) * | 1997-01-13 | 1999-03-09 | Pilger; Mark | Reel assembly grinder with automatic indexing and grinding control |
| US6290581B1 (en) * | 1995-04-28 | 2001-09-18 | Foley-Belsaw Company | Automatic mower reel grinder |
| KR20090004428U (en) * | 2007-11-07 | 2009-05-12 | 문진흥 | A cutter grinding equipment |
| CN103354772A (en) * | 2011-02-09 | 2013-10-16 | 伯恩哈德有限公司 | Reel mower grinder with auto-index mechanism |
| CN206795440U (en) * | 2017-04-18 | 2017-12-26 | 浙江硕和机器人科技有限公司 | A kind of three-shaft linkage hobboing cutter cutting edge refines special plane |
-
2017
- 2017-04-18 CN CN201710254964.2A patent/CN106926071B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB236446A (en) * | 1924-11-26 | 1925-07-09 | John Gladstone Roberts | Improvements in machines for grinding or sharpening the blades or cutters of mowing and similar machines |
| US6290581B1 (en) * | 1995-04-28 | 2001-09-18 | Foley-Belsaw Company | Automatic mower reel grinder |
| US5879224A (en) * | 1997-01-13 | 1999-03-09 | Pilger; Mark | Reel assembly grinder with automatic indexing and grinding control |
| KR20090004428U (en) * | 2007-11-07 | 2009-05-12 | 문진흥 | A cutter grinding equipment |
| CN103354772A (en) * | 2011-02-09 | 2013-10-16 | 伯恩哈德有限公司 | Reel mower grinder with auto-index mechanism |
| CN206795440U (en) * | 2017-04-18 | 2017-12-26 | 浙江硕和机器人科技有限公司 | A kind of three-shaft linkage hobboing cutter cutting edge refines special plane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106926071A (en) | 2017-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106926071B (en) | Special machine for fine grinding of three-axis linkage hob cutting edge | |
| CN206795440U (en) | A kind of three-shaft linkage hobboing cutter cutting edge refines special plane | |
| CN109590822B (en) | Multifunctional diamond tool bit grinding machine | |
| CN206998508U (en) | Glass grinder and its grinding head assembly | |
| CN203171082U (en) | Deburring mechanism of deburring machine arranged on end surface of bearing bush | |
| CN212420614U (en) | Grinding device for outer circle of journal of cross axle | |
| CN205291199U (en) | Be applied to peeler of decorative wooden processing | |
| CN207387370U (en) | A kind of turbine rotor with guide rail is to wheel bolt hole scene honing system | |
| CN205043556U (en) | High -accuracy centerless grinder | |
| CN215903189U (en) | Full-automatic grinding machine tool for twist drill | |
| CN214346819U (en) | Adjustable three-roller grinding machine | |
| CN216177000U (en) | Floating milling cutter system | |
| CN207678372U (en) | A kind of knife sharpening device for stalk crasher | |
| CN208961634U (en) | A kind of drill pointing machine | |
| CN213945945U (en) | Novel workpiece polishing device | |
| CN213531864U (en) | Blade sharpener | |
| CN106826421A (en) | A kind of reciprocating knife sharpener | |
| CN219153203U (en) | Bamboo pole yellow removing machine with improved structure | |
| CN112045504A (en) | Production of carpenter's drill bit is with integrative equipment of polishing | |
| CN208744375U (en) | A kind of powder metallurgy studies intensively grinding machine | |
| CN214869273U (en) | Centrifugal fan flabellum deburring mechanism | |
| CN203557224U (en) | Rotatable workpiece clamping mechanism for automatic cutter grinding machine | |
| CN220613268U (en) | Drill head swinging sharpening machine | |
| CN212122910U (en) | Radial angle adjusting device of tool grinder main shaft | |
| CN220839287U (en) | Bar grinding mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |