CN114029791B

CN114029791B - Processing technology of metal ceramic cutter

Info

Publication number: CN114029791B
Application number: CN202111355291.2A
Authority: CN
Inventors: 潘列栋; 孙金卫; 任江烽
Original assignee: Zhejiang Pufeite Cutting Tool Co ltd
Current assignee: Zhejiang Pufeite Cutting Tool Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-08
Anticipated expiration: 2041-11-16
Also published as: CN114029791A

Abstract

The application relates to a processing technology of a metal ceramic cutter, which comprises the following processing steps: s1, prepressing and forming; s2, low-temperature treatment; s3, hot-pressing, vibrating and sintering; s4, polishing; s5, quenching; s6, tempering; s7, fine grinding the prototype; s8, edging; s9, eliminating internal stress; s10, detection and coping: grinding the semi-finished metal ceramic cutter which is detected to be unqualified to obtain a finished metal ceramic cutter; and S11, warehousing. This application has the effect that improves the manufacturing accuracy of the cermet cutter that dispatches from the factory.

Description

Processing technology of metal ceramic cutter

Technical Field

The application relates to the field of cutter manufacturing, in particular to a processing technology of a metal ceramic cutter.

Background

The metal ceramic cutter is a novel cutting tool material, not only has better chemical stability, but also has excellent physical properties of strong abrasion resistance, good red hardness, small friction coefficient and the like.

The chinese invention application with application publication number CN106396673A discloses a processing technology of a ceramic cutter, comprising: the method comprises the following steps of (1) pre-pressing and forming a powder raw material, wherein the powder raw material comprises the following components in parts by weight: 92-95 parts of zirconium oxide, 5-6 parts of yttrium oxide and 4-6 parts of rare earth oxide; performing low-temperature heat treatment on the product obtained by pre-pressing forming, wherein the temperature of the low-temperature heat treatment is 1000-1100 ℃; and (3) carrying out hot-pressing vibration sintering on the product obtained by low-temperature heat treatment, wherein the temperature of the hot-pressing vibration sintering is increased from 1100 ℃ to 1700 ℃, the heating rate is 30-50 ℃/h, when the temperature is increased to 1700 ℃, the pressure is increased from 80MPa to 100MPa, the pressure increasing rate is 2MPa/min, and the sintering is continued for 20min when the pressure is 100 MPa. This application has the effect that makes ceramic cutter intensity higher.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: and the product obtained by hot-pressing vibration sintering is directly put in storage after being polished, so that the manufacturing precision of the delivered metal ceramic cutter is poor.

Disclosure of Invention

In order to improve the manufacturing precision of the metal ceramic cutter leaving the factory, the application provides a machining process of the metal ceramic cutter.

The processing technology of the metal ceramic cutter adopts the following technical scheme:

a processing technology of a metal ceramic cutter comprises the following processing steps:

s1, pre-pressing and forming: pre-pressing and molding the powdery raw materials;

s2, low-temperature treatment: carrying out low-temperature treatment on the powdery raw material pre-pressed and molded in the step S1;

s3, hot-pressing vibration sintering: pressurizing and heating the raw material obtained in the step S2, and sintering the raw material;

s4, grinding: polishing the sintered raw materials to obtain a metal ceramic cutter blank;

s5, quenching: performing salt bath quenching on the metal ceramic cutter blank;

s6, tempering: tempering the quenched metal ceramic cutter blank;

s7, fine grinding prototype: finely grinding the two ends and the outline of the metal ceramic cutter blank to obtain a semi-finished metal ceramic cutter;

s8, edging: edging the semi-finished metal ceramic cutter;

s9, internal stress elimination: eliminating internal stress of the semi-finished metal ceramic cutter after the cutting edge is opened;

s10, detection and coping: grinding the semi-finished metal ceramic cutter which is detected to be unqualified to obtain a finished metal ceramic cutter;

s11, warehousing: and (5) detecting and warehousing the finished metal ceramic cutter.

By adopting the technical scheme, the semi-finished metal ceramic cutter after edging is detected and polished, so that the edging precision of the semi-finished metal ceramic cutter after edging is finished is improved, and the manufacturing precision of the metal ceramic cutter leaving the factory is improved.

Optionally, S10 is implemented by a grinding machine, where the grinding machine includes a frame, a grinding wheel for grinding the drill bit, and a driving motor for driving the grinding wheel to rotate, and the grinding wheel is rotatably connected to the frame.

Through adopting above-mentioned technical scheme, polish the head of drill bit, improve the machining precision of drill bit.

Optionally, one end of the drill bit is provided with a positioning column, and a positioning groove is formed in the side wall of the positioning column; the grinding assembly is arranged on the rack and comprises an installation tank body, a driving cylinder and a positioning rod for maintaining the state that a grinding surface of the drill bit is abutted against the grinding wheel; the driving cylinder is used for driving the mounting tank body to be connected to the rack in a sliding manner along the direction of tangency of the grinding surface of the drill bit and the grinding wheel; the length direction of the positioning rod is parallel to the axis direction of the installation tank body, and the positioning rod is arranged on the inner wall of the installation tank body; the positioning column is connected in the mounting tank body in a sliding manner, and the positioning rod is connected in the positioning groove in a sliding manner; and the driving cylinder is provided with a lifting assembly used for moving the mounting tank body along the direction far away from the grinding wheel when the driving cylinder resets the mounting tank body from bottom to top.

By adopting the technical scheme, when the positioning device is used, the positioning column is connected into the installation tank body in a sliding manner, the positioning rod is connected into the positioning groove in a sliding manner, the surface to be ground of the drill bit is tangent to the grinding wheel, the installation tank body is driven to move by the driving cylinder in the direction close to the grinding wheel, the surface to be ground of the drill bit is in conflict with the grinding wheel, one surface of the drill bit is ground, the installation tank body is driven to reset by the driving cylinder, the installation tank body is moved by the lifting assembly in the direction far away from the grinding wheel, the drill bit is separated from the grinding wheel, the drill bit is pulled out of the installation tank body by an operator and then rotated 180 degrees, the other surface to be ground of the drill bit faces the grinding wheel, the steps are repeated, and the two surfaces to be ground of the drill bit are ground; the situation that the tip of the drill bit is broken due to the fact that the operator exerts too much force is reduced.

Optionally, the lifting assembly includes a lifting plate, a fixing block, a dovetail block, a lifting block, and a return spring for maintaining a state of interference between the lifting plate and the dovetail block; the lifting plate is connected to a piston rod of the driving cylinder in a sliding mode along the direction close to or far away from the rack, the lifting plate is connected with the piston rod of the driving cylinder in a clamping mode along the length direction of the driving cylinder, and the mounting tank body is arranged on the lifting plate; the dovetail block is connected to the lifting plate in a sliding mode along the direction close to or far away from the lifting plate, and the dovetail block is connected to the rack in a sliding mode along the sliding direction of the installation tank body; the rack is provided with a first sliding groove extending along the sliding direction of the mounting tank body, the fixed block is connected in the first sliding groove in a sliding manner, and the fixed block is arranged on the lifting plate; the edge has been seted up to the tank bottom in the first groove that slides the second groove that the length direction in the first groove that slides extends slides, the lifting piece slide connect in the second slides the inslot, offer on the lifting piece and be used for driving the fixed block along keeping away from the first lifting inclined plane and the second lifting inclined plane that the tank bottom direction in the first groove that slides removed, first lifting inclined plane and second lifting inclined plane distribute along first groove length direction that slides in proper order, first lifting inclined plane is located second lifting inclined plane top.

By adopting the technical scheme, when the lifting device is used, the driving cylinder drives the lifting plate to move along the direction close to the grinding wheel, so that the fixed block is abutted against the lifting block, the lifting block moves along with the fixed block, the driving cylinder is used for polishing the surface to be polished of the drill bit, and when the lifting block is abutted against the side wall of the groove of the second sliding groove, the first lifting inclined surface drives the fixed block to move along the direction of the bottom of the groove far away from the first sliding groove, so that the second lifting inclined surface is abutted against the fixed block; then, the lifting plate is driven to reset by the driving cylinder, the lifting block moves along with the fixed block, when the lifting block is abutted against the side wall of the second sliding groove, the fixed block moves in the direction of the groove bottom far away from the first sliding groove under the action of the second lifting inclined plane, so that a drill bit on the lifting plate moves in the direction far away from the grinding wheel, and then the lifting plate resets under the action of a reset spring; the drill bit is reset under the condition that the grinding wheel does not stop rotating, the drill bit is automatically separated from the grinding wheel when the driving cylinder drives the drill bit to reset, and the grinding precision of the grinding wheel to the drill bit is improved.

Optionally, the installation tank body is rotatably connected to the lifting plate, and the lifting inclined plane is perpendicular to the axis of the installation tank body; the rack is provided with a rotating structure for driving the mounting tank body to rotate one hundred eighty degrees, and the rotating structure comprises a rotating gear and a fixed rack; the rotating gear is coaxially arranged on the mounting tank body; the fixed rack is arranged on the rack, the length direction of the fixed rack is parallel to the lifting inclined plane, and the fixed rack is used for being meshed with the rotating gear; and a locking assembly for positioning the installation tank body after the rotation is finished is arranged on the lifting plate.

Through adopting above-mentioned technical scheme, when driving actuating cylinder and driving the lifting plate and reseing, the fixed block is under the direction on second lifting inclined plane, and the fixed block is along keeping away from the tank bottom direction removal in first groove that slides, when the fixed block slides on second lifting inclined plane, because the lifting inclined plane with the axis of the installation jar body sets up perpendicularly for drive gear meshes with the fixed rack and drives drive gear and rotate 180 degrees, and the locking subassembly locks the installation jar body, realizes realizing driving actuating cylinder and driving the drill bit and rotate 180 degrees when keeping away from the removal of emery wheel direction and realize waiting to grind the face and change the drill bit, realizes the automation of emery wheel to the drill bit and polishes.

Optionally, the outer side wall of the installation tank body is provided with two locking grooves, and the two locking grooves are uniformly distributed along the circumferential direction of the axis of the installation tank body; the locking assembly comprises a mounting plate, a locking jumping bean and a locking spring for maintaining the state that the locking jumping bean penetrates through the locking groove; the mounting plate is arranged on the lifting plate; the locking jumping beans are connected to the mounting plate in a sliding mode along the direction close to or far away from the mounting tank body.

Through adopting above-mentioned technical scheme, when drive gear and fixed rack drive the installation jar body and rotate, the locking jumps beans and locking groove inconsistent, and the locking jumps beans after that and from locking inslot sliding out, and the locking jumps beans and another locking groove alignment after the installation jar body rotates 180 degrees, wears to establish into another locking inslot under the effect of locking spring, realizes locking the location to the installation jar body after 180 degrees, makes things convenient for operating personnel's operation.

Optionally, the mounting tank body comprises a first half pipe body, a second half pipe body, a torsion spring for maintaining the state that the first half pipe body is abutted against the second half pipe body, and a tank bottom; the tank bottom is arranged on the inner wall of the first semi-pipe body; the inner wall of the second half pipe body is rotatably connected to the tank bottom in a direction close to or far away from the first half pipe body, and when the first half pipe body and the second half pipe body are abutted, a drill bit is clamped among the first half pipe body, the second half pipe body and the tank bottom.

Through adopting above-mentioned technical scheme, during the use operating personnel wears to establish the drill bit between first half body and the half body of second for half body of second and torsional spring with the drill bit centre gripping between first half body and the half body of second, make things convenient for the operating personnel to operate, reduce the condition emergence that the drill bit removed when polishing.

Optionally, a discharging assembly is arranged on the rack, and the discharging assembly comprises a V-shaped plate for storing the drill bit, a collision plate and a rotating plate for driving the second half pipe body to rotate; the V-shaped plate is positioned below the second half pipe body, positioned on one side of the tank bottom facing the second half pipe body and obliquely arranged on the rack; the collision plate is arranged on the V-shaped plate; the rotor plate is located conflict board top, rotor plate one end set up in on the half body of second, the rotor plate other end is used for conflicting mutually with the conflict board.

Through adopting above-mentioned technical scheme, when the drill bit after the completion of polishing in the installation tank body is ejection of compact, drive actuating cylinder and drive the direction removal that lifts the board along being close to the touch panel for the rotor plate is contradicted mutually with the touch panel, and the rotor plate drives the half body of second and rotates, makes the drill bit store in the V template of sliding into under the direction of locating lever and the half body of second, realizes carrying out ejection of compact direction to the drill bit when the half body of second carries out the centre gripping to the drill bit.

Optionally, a protection groove is coaxially formed in one end, away from the drill bit, of the positioning column.

Through adopting above-mentioned technical scheme, when the drill bit piles up together in proper order, the tip of next drill bit wears to establish into the protection inslot of another drill bit, realizes protecting the tip of drill bit.

Optionally, a rubber gasket is arranged on the bottom wall in the installation tank body.

By adopting the technical scheme, direct rigid collision between the drill bit and the grinding wheel is reduced, and the occurrence of the situation that the tip of the drill bit is broken is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the further inspection and grinding of the grinded cutter are realized through detection and grinding, so that the machining precision of the delivered metal ceramic cutter is improved;

2. the automatic grinding of the drill bit is realized through the grinding machine and the grinding assembly, so that the operation of operators is facilitated, and the occurrence of the situation that the drill bit is broken due to manual operation is reduced;

3. the drill bit is rotated by 180 degrees while being separated from the grinding wheel through the lifting assembly and the rotating structure.

Drawings

FIG. 1 is a process flow diagram of a cermet tool of the present application.

Fig. 2 is a schematic view of the structure of the grinder of the present application.

FIG. 3 is a schematic diagram of the lift assembly, the outfeed assembly, and the rotary structure of FIG. 2.

Fig. 4 is a cross-sectional view of the housing of fig. 3 showing the construction of the lift assembly within the housing.

FIG. 5 is a cross-sectional view of the lift plate of FIG. 4 showing the structure of the dovetail block, the lift plate, and the return spring.

Fig. 6 is a cross-sectional view of the drill bit to show the structure of the drill bit.

Fig. 7 is a schematic view of the structure of the mounting can of fig. 3.

Fig. 8 is an exploded view of the first and second half tubes of fig. 7, showing the structure of the torsion spring and the rotation groove.

Fig. 9 is an enlarged view at a in fig. 7 for showing the structure of the locking assembly.

Reference numerals: 1. a grinder; 11. a frame; 111. a support plate; 112. mounting a block; 113. a machine base; 114. a first sliding groove; 115. a dovetail groove; 116. a second sliding groove; 12. a drive motor; 121. a T-shaped block; 13. a grinding wheel; 2. a lifting assembly; 21. lifting the plate; 211. a second mounting groove; 212. a slide plate; 213. a T-shaped groove; 22. a fixed block; 23. a dovetail block; 231. a first mounting groove; 24. lifting the block; 241. a sliding block; 242. a first lifting inclined plane; 243. a second lifting inclined plane; 25. a return spring; 3. a grinding assembly; 31. a driving cylinder; 32. installing a tank body; 321. a first semi-tubular body; 322. a second half pipe body; 323. the tank bottom; 324. a torsion spring; 325. a rubber gasket; 326. a rotating groove; 33. positioning a rod; 4. a drill bit; 41. a positioning column; 42. grinding the surface; 43. positioning a groove; 44. a protective groove; 5. a rotating structure; 51. a rotating gear; 52. fixing a rack; 53. a rotating seat; 54. rotating the rod; 55. mounting a rod; 6. a locking assembly; 61. mounting a plate; 62. locking the jumping beans; 63. a locking spring; 64. a clamping groove; 65. a locking groove; 7. a discharging assembly; 71. a V-shaped plate; 72. a touch plate; 73. and rotating the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a processing technology of a metal ceramic cutter. Referring to fig. 1, a process for machining a cermet tool includes the following process steps:

s3, hot-pressing vibration sintering: pressurizing and heating the raw material obtained in the step S2, and sintering;

s6, tempering: tempering the quenched metal ceramic cutter blank;

s8, edging: edging the semi-finished metal ceramic cutter;

Referring to fig. 2, S10 is implemented by the grinder 1, the grinder 1 including a frame 11, a driving motor 12, and a grinding wheel 13; the rack 11 comprises a support plate 111, a mounting block 112 and a base 113, wherein the support plate 111 is horizontally arranged, the mounting block 112 is vertically arranged, the mounting block 112 is fixedly connected to the upper end surface of the support plate 111, and the base 113 is fixedly connected to one side of the support plate 111; the driving motor 12 is fixedly connected to the upper end surface of the mounting block 112; the grinding wheel 13 is coaxially and fixedly connected to an output shaft of the driving motor 12.

Referring to fig. 3 and 4, the base 113 is provided with a lifting assembly 2, and the lifting assembly 2 includes a lifting plate 21, a fixed block 22, two dovetail blocks 23, a lifting block 24, and four return springs 25 for maintaining the interference state between the lifting plate 21 and the dovetail blocks 23; the lifting plate 21 is provided with a grinding assembly 3, and the grinding assembly 3 comprises a driving cylinder 31.

Referring to fig. 2 and 4, a first sliding groove 114 and two dovetail grooves 115 extending along a direction tangential to the grinding surface of the drill 4 and the grinding wheel 13 are formed in one end surface of the base 113 away from the mounting block 112, and the first sliding groove 114 is located between the two dovetail grooves 115.

Referring to fig. 4 and 5, the two dovetail blocks 23 correspond to the two dovetail grooves 115 one to one, the dovetail blocks 23 are slidably connected in the dovetail grooves 115, one end of the dovetail block 23 away from the dovetail grooves 115 is provided with two first mounting grooves 231, and the two first mounting grooves 231 are distributed along the length direction of the dovetail block 23; the lifting plate 21 is positioned on one side of the dovetail block 23 departing from the bottom of the dovetail groove 115, and a second mounting groove 211 is formed in one side of the lifting plate 21 close to the dovetail block 23; one end of the return spring 25 is fixedly connected to the bottom of the first mounting groove 231, and the other end of the return spring 25 is fixedly connected to the bottom of the second mounting groove 211.

Referring to fig. 3 and 5, a sliding plate 212 is fixedly connected to one side wall of the lifting plate 21, and a T-shaped groove 213 extending in a direction perpendicular to the length direction of the dovetail block 23 is formed at one end of the sliding plate 212 close to the driving cylinder 31; the cylinder body of the driving cylinder 31 is fixedly connected to the base 113, the piston rod of the driving cylinder 31 is fixedly connected with a T-shaped block 121, and the T-shaped block 121 is connected in a T-shaped groove 213 in a sliding manner.

Referring to fig. 3 and 4, a second sliding groove 116 is formed at the bottom of the first sliding groove 114, the second sliding groove 116 is dovetail-shaped, the lifting block 24 is located in the first sliding groove 114, a sliding block 241 is fixedly connected to one end of the lifting block 24 close to the bottom of the first sliding groove 114, and the sliding block 241 is connected in the second sliding groove 116 in a sliding manner; a first lifting inclined surface 242 and a second lifting inclined surface 243 are formed on one end surface, away from the second sliding groove 116, of the lifting block 24, the distance between the first lifting inclined surface 242 and the second lifting inclined surface 243 is gradually increased along the direction of the lifting block 24, close to the bottom of the first sliding groove 114, and the first lifting inclined surface 242 is located above the second lifting inclined surface 243; the fixed block 22 is slidably connected in the first sliding groove 114, and one end of the fixed block 22, which is far away from the bottom of the first sliding groove 114, is fixedly connected to one end of the lifting plate 21, which is close to the first sliding groove 114.

When the lifting device is used, the driving cylinder 31 drives the lifting block 24 to move downwards, so that the fixed block 22 is abutted against the first lifting inclined surface 242, when the sliding block 241 is abutted against the side wall of the second sliding groove 116, the fixed block 22 moves in the direction away from the bottom of the first sliding groove 114 under the action of the first lifting inclined surface 242, so that the fixed block 22 is abutted against the second lifting inclined surface 243, and the fixed block 22 moves in the direction away from the fixed block 22 through the second lifting inclined surface 243 under the action of the return spring 25; when the driving cylinder 31 drives the lifting plate 21 to reset, the fixed block 22 drives the lifting block 24 to move upwards, and when the sliding block 241 on the lifting block 24 is abutted against the side wall of the second sliding groove 116, the fixed block 22 moves in the direction away from the bottom of the first sliding groove 114 under the action of the second lifting inclined surface 243, so that the lifting plate 21 moves in the direction away from the base 113, and then the lifting plate 21 returns to the original position under the action of the reset spring 25.

Referring to fig. 2 and 6, one end of the drill 4 is fixedly connected with a positioning column 41, two surfaces to be ground 42 are arranged on the drill 4, two positioning grooves 43 extending along the axial direction of the positioning column 41 are formed in the side wall of the positioning column 41, and the two positioning grooves 43 are uniformly distributed along the circumferential direction of the axial line of the positioning column 41; the positioning column 41 is provided with a protection groove 44 at an end away from the drill 4, and the protection groove 44 is coaxial with the positioning column 41.

Referring to fig. 3 and 7, the grinding assembly 3 further includes a mounting pot 32 and two locating rods 33; the installation tank 32 comprises a first tubular half 321, a second tubular half 322 and a tank bottom 323; the tank bottom 323 is located between the first half pipe 321 and the second half pipe 322, the first half pipe 321 is fixedly connected to the outer side wall of the tank bottom 323, and the second half pipe 322 is rotatably connected to the outer side wall of the tank bottom 323.

Referring to fig. 7 and 8, the installation tank 32 further includes a torsion spring 324, a rubber gasket 325 is fixedly connected to the tank bottom 323, a rotation groove 326 is formed in a side wall of the tank bottom 323, the torsion spring 324 is located in the rotation groove 326, one end of the torsion spring 324 is fixedly connected to a bottom of the rotation groove 326, the other end of the torsion spring 324 is fixedly connected to the second half pipe body 322, the torsion spring 324 is used for maintaining a state that the first half pipe body 321 is in contact with the second half pipe body 322, and a drill bit 4 is clamped between the first half pipe body 321, the second half pipe body 322 and the tank bottom 323; the length direction of the positioning rods 33 is parallel to the axial line of the tank bottom 323, the two positioning rods 33 are uniformly distributed along the circumferential direction of the axial line of the tank bottom 323, one positioning rod 33 is fixedly connected to the inner wall of the first half pipe body 321, the other positioning rod 33 is fixedly connected to the inner wall of the second half pipe body 322, and when the positioning rod 33 is slidably connected to the positioning groove 43 on the positioning column 41, the surface 42 to be ground on the drill bit 4 is arranged in a tangent manner with the grinding wheel 13.

When the device is used, an operator slides the drill bit 4 into the space between the first half pipe body 321 and the second half pipe body 322, so that the positioning rod 33 is connected into the positioning groove 43 in a sliding manner, the surface 42 to be ground on the drill bit 4 is arranged in a tangent manner with the grinding wheel 13, and then the driving cylinder 31 drives the drill bit 4 and the mounting tank 32 to move along the direction of the surface 42 to be ground, so that the grinding wheel 13 grinds the surface 42 to be ground of the drill bit 4; when the driving cylinder 31 resets the drill bit 4, the lifting plate 21 moves in the direction away from the base 113, so that the drill bit 4 moves in the direction away from the grinding wheel 13 when resetting, the drill bit 4 is separated from the grinding wheel 13, and the grinding effect and precision of the grinding wheel 13 on the drill bit 4 are improved; after the driving cylinder 31 drives the drill bit 4 to reset, an operator manually rotates the drill bit 4 by one hundred eighty degrees, and then drives the driving cylinder 31 to polish the other surface to be polished of the drill bit 4; and finally, taking out the polished drill bit 4.

Because the operating personnel need rotate one hundred eighty degrees back to drill bit 4 manually, the operation is comparatively loaded down with trivial details.

Referring to fig. 4 and 7, a rotating structure 5 for driving the drill 4 to rotate one hundred and eighty degrees is arranged on the mounting block 112, and the rotating structure 5 includes a rotating gear 51 and a fixed rack 52; a rotating seat 53 is fixedly connected to the lifting plate 21, a rotating rod 54 is coaxially and fixedly connected to the tank bottom 323, the rotating rod 54 is rotatably connected to the rotating seat 53, and the rotating gear 51 is coaxially and fixedly connected to one end of the rotating rod 54, which is far away from the tank bottom 323; the fixed rack 52 is obliquely disposed in the direction of the second lifting slope 243, one end of the fixed rack 52 is fixedly connected to the base 113, and the fixed rack 52 is engaged with the rotating gear 51.

When the driving cylinder 31 drives the drill 4 to reset, the fixed block 22 moves in the direction of the inclination of the second lifting inclined surface 243 under the guidance of the second lifting inclined surface 243, so that the rotating gear 51 moves in the direction close to the fixed rack 52, so that the rotating gear 51 is meshed with the fixed rack 52, the rotating gear 51 rotates one hundred eighty degrees, so that the rotating gear 51 is disengaged from the fixed rack 52 after the drill 4 rotates one hundred eighty degrees, so that the other surface to be ground 42 on the drill 4 is arranged in tangent with the grinding wheel 13, and then the drill 4 moves in the direction close to the base 113 along with the lifting plate 21; the drill bit 4 is rotated by one hundred eighty degrees while the drill bit 4 moves in the direction away from the grinding wheel 13, so that the operation of an operator is facilitated.

Referring to fig. 7 and 9, a mounting rod 55 is fixedly connected to the bottom surface of the rotating base 53, the length direction of the mounting rod 55 is parallel to the axis of the first half pipe 321, the mounting rod 55 is located at one side of the first half pipe 321, a locking assembly 6 is arranged on the mounting rod 55, and the locking assembly 6 comprises a mounting plate 61, a locking trip bean 62 and a locking spring 63 for maintaining the state that the locking trip bean 62 is inserted into the locking groove 65; one end of the mounting plate 61 is fixedly connected to the mounting rod 55, the mounting plate 61 is positioned on one side of the first semi-pipe body 321, and a clamping groove 64 is formed in one end, close to the first semi-pipe body 321, of the mounting plate 61; the locking jumping beans 62 are connected in the clamping groove 64 in a sliding way; the locking spring 63 is positioned between the locking jumping bean 62 and the groove bottom of the clamping groove 64, one end of the locking spring 63 is fixedly connected to the groove bottom of the clamping groove 64, and the other end of the locking spring 63 is fixedly connected to the locking jumping bean 62; two locking grooves 65 that the beans 62 of jumping that supply to lock were worn to establish are seted up to first semi-tubular body 321 and the contact department of second semi-tubular body 322, and two locking grooves 65 are along first semi-tubular body 321 axis circumference evenly distributed.

When the rotating structure 5 drives the drill bit 4 to rotate one hundred eighty degrees, the locking jumping bean 62 slides and separates from the locking groove 65, when the locking jumping bean 62 is opposite to the other locking groove 65, the locking spring 63 drives the locking jumping bean 62 to penetrate into the locking groove 65, the drill bit 4 is locked, the grinding surface 42 to be ground of the drill bit 4 and the grinding wheel 13 are kept in a tangent arrangement state, and the grinding precision of the grinding wheel 13 to the drill bit 4 is improved.

After the drill bit 4 is polished, the operator needs to manually take out the drill bit 4, so that the operation is complicated

Referring to fig. 3 and 7, the machine base 113 is provided with a discharging assembly 7 for taking out the drill bit 4 between the first half pipe body 321 and the second half pipe body 322, and the discharging assembly 7 includes a V-shaped plate 71 for storing the drill bit 4, a collision plate 72, and a rotating plate 73 for driving the second half pipe body 322 to rotate.

Referring to fig. 2 and 3, the V-shaped plate 71 is positioned below the drill 4, the V-shaped plate 71 is obliquely arranged along the direction from the fixed rack 52 to the grinding wheel 13, and the higher end of the V-shaped plate 71 is close to the fixed rack 52; one end of the contact plate 72 is fixedly connected to the V-shaped plate 71; one end of the rotating plate 73 is fixedly connected to the outer side wall of the second half pipe 322 close to the driving gear, and the rotating plate 73 is located right above the abutting plate 72.

When the drill bit 4 that will polish and accomplish is taken out in needs, drive actuating cylinder 31 and drive rotor plate 73 on the half body 322 of second and remove along the direction that is close to touch panel 72 for touch panel 72 contradicts with rotor plate 73, and rotor plate 73 rotates and drives half body 322 of second and rotate, makes drill bit 4 deviate from and remove to V template 71 between half body 321 of first and half body 322 of second, realizes carrying out the ejection of compact to the drill bit 4 of polishing the completion.

The implementation principle of the processing technology of the metal ceramic cutter in the embodiment of the application is as follows: when the grinding device is used, the driving cylinder 31 drives the lifting plate 21, the mounting tank 32 and the drill bit 4 to move along the direction close to the grinding wheel 13, the surface 42 to be ground on the drill bit 4 is abutted against and ground by the grinding wheel 13, then the driving cylinder 31 drives the fixing block 22 to move to the side, away from the first lifting inclined plane 242, of the second lifting inclined plane 243, and at the moment, the rotating plate 73 is separated from the abutting plate 72; then, the driving cylinder 31 drives the lifting plate 21 and the drill bit 4 to reset, the rotating structure 5 and the lifting assembly 2 move the drill bit 4 in the direction away from the grinding wheel 13 and simultaneously rotate the drill bit 4 by one hundred eighty degrees, and then the locking assembly locks the drill bit 4, so that the operation of an operator is facilitated; after repeating the above steps, the drill bit 4 is polished, and the driving cylinder 31 drives the rotating plate 73 to abut against the abutting plate 72, so that the rotating plate 73 rotates, and the drill bit 4 is discharged from the space between the first semi-pipe body 321 and the second semi-pipe body 322.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The processing technology of the metal ceramic cutter is characterized by comprising the following processing steps:

s4, grinding: polishing the sintered raw material to obtain a metal ceramic cutter blank;

s6, tempering: tempering the quenched metal ceramic cutter blank;

s8, edging: edging the semi-finished metal ceramic cutter;

s11, warehousing: detecting and warehousing the finished metal ceramic cutter;

s10 is realized by a grinding machine (1), wherein the grinding machine (1) comprises a frame (11), a grinding wheel (13) for grinding a drill bit (4) and a driving motor (12) for driving the grinding wheel (13) to rotate, and the grinding wheel (13) is rotatably connected to the frame (11);

one end of the drill bit (4) is provided with a positioning column (41), and the side wall of the positioning column (41) is provided with a positioning groove (43); a grinding assembly (3) is arranged on the rack (11), and the grinding assembly (3) comprises an installation tank body (32), a driving cylinder (31) and a positioning rod (33) for maintaining the grinding surface of the drill bit (4) in a state of abutting against the grinding wheel (13); the driving cylinder (31) is used for driving the mounting tank body (32) to be connected to the rack (11) in a sliding manner along the direction of the grinding surface of the drill bit (4) tangent to the grinding wheel (13); the length direction of the positioning rod (33) is parallel to the axial direction of the installation tank body (32), and the positioning rod (33) is arranged on the inner wall of the installation tank body (32); the positioning column (41) is connected in the installation tank body (32) in a sliding manner, and the positioning rod (33) is connected in the positioning groove (43) in a sliding manner; the driving cylinder (31) is provided with a lifting assembly (2) which is used for moving the mounting tank body (32) along the direction away from the grinding wheel (13) when the driving cylinder (31) resets the mounting tank body (32) from bottom to top;

the lifting assembly (2) comprises a lifting plate (21), a fixed block (22), a dovetail block (23), a lifting block (24) and a return spring (25) for maintaining the interference state of the lifting plate (21) and the dovetail block (23); the lifting plate (21) is connected to a piston rod of the driving cylinder (31) in a sliding mode along the direction close to or far away from the rack (11), the lifting plate (21) is connected with the piston rod of the driving cylinder (31) in a clamping mode along the length direction of the driving cylinder (31), and the installation tank body (32) is arranged on the lifting plate (21); the dovetail block (23) is connected to the lifting plate (21) in a sliding manner along the direction close to or far away from the lifting plate (21), and the dovetail block (23) is connected to the rack (11) in a sliding manner along the sliding direction of the installation tank body (32); a first sliding groove (114) extending along the sliding direction of the installation tank body (32) is formed in the rack (11), the fixing block (22) is connected in the first sliding groove (114) in a sliding mode, and the fixing block (22) is arranged on the lifting plate (21); a second sliding groove (116) extending along the length direction of the first sliding groove (114) is formed in the groove bottom of the first sliding groove (114), the lifting block (24) is connected in the second sliding groove (116) in a sliding mode, a first lifting inclined plane (242) and a second lifting inclined plane (243) used for driving a fixed block (22) to move along the direction of the groove bottom far away from the first sliding groove (114) are formed in the lifting block (24), the first lifting inclined plane (242) and the second lifting inclined plane (243) are sequentially distributed along the length direction of the first sliding groove (114), and the first lifting inclined plane (242) is located above the second lifting inclined plane (243);

the mounting tank body (32) is rotatably connected to the lifting plate (21), and the second lifting inclined plane (243) is perpendicular to the axis of the mounting tank body (32); the rack (11) is provided with a rotating structure (5) for driving the mounting tank body (32) to rotate one hundred eighty degrees, and the rotating structure (5) comprises a rotating gear (51) and a fixed rack (52); the rotating gear (51) is coaxially arranged on the mounting tank body (32); the fixed rack (52) is arranged on the rack (11), the length direction of the fixed rack (52) is parallel to the lifting inclined plane, and the fixed rack (52) is used for being meshed with the rotating gear (51); the lifting plate (21) is provided with a locking assembly (6) for positioning the installation tank body (32) after the rotation is finished;

the outer side wall of the installation tank body (32) is provided with two locking grooves (65), and the two locking grooves (65) are uniformly distributed along the circumferential direction of the axis of the installation tank body (32); the locking assembly (6) comprises a mounting plate (61), a locking jumping bean (62) and a locking spring (63) for maintaining the state that the locking jumping bean (62) penetrates through a locking groove (65); the mounting plate (61) is arranged on the lifting plate (21); the locking jumping beans (62) are connected on the mounting plate (61) in a sliding mode along the direction close to or far away from the mounting tank body (32).

2. The process of claim 1, wherein the machining process comprises the following steps: the mounting tank body (32) comprises a first half pipe body (321), a second half pipe body (322), a torsion spring (324) and a tank bottom (323), wherein the torsion spring is used for maintaining the first half pipe body (321) and the second half pipe body (322) in a contact state; the tank bottom (323) is arranged on the inner wall of the first semi-pipe body (321); the inner wall of the second half pipe body (322) is rotatably connected to the tank bottom (323) along a direction close to or far away from the first half pipe body (321), and when the first half pipe body (321) and the second half pipe body (322) are in contact with each other, a drill bit (4) is clamped among the first half pipe body (321), the second half pipe body (322) and the tank bottom (323).

3. The process of claim 2, wherein the machining process comprises the following steps: a discharging assembly (7) is arranged on the rack (11), and the discharging assembly (7) comprises a V-shaped plate (71) for storing the drill bit (4), a collision plate (72) and a rotating plate (73) for driving the second half pipe body (322) to rotate; the V-shaped plate (71) is positioned below the second half pipe body (322), the V-shaped plate (71) is positioned on one side, facing the second half pipe body (322), of the tank bottom (323), and the V-shaped plate (71) is obliquely arranged on the rack (11); the touch plate (72) is arranged on the V-shaped plate (71); the rotating plate (73) is located above the touch plate (72), one end of the rotating plate (73) is arranged on the second half pipe body (322), and the other end of the rotating plate (73) is used for being touched with the touch plate (72).

4. The process of claim 1, wherein the machining process comprises the following steps: and a protection groove (44) is coaxially formed in one end, away from the drill bit (4), of the positioning column (41).

5. The process of claim 1, wherein the machining process comprises the following steps: and a rubber gasket (325) is arranged on the inner bottom wall of the mounting tank body (32).