CN114559257A

CN114559257A - Rolling cutter head and device for machining drill tools

Info

Publication number: CN114559257A
Application number: CN202210346328.3A
Authority: CN
Inventors: 沈国华
Original assignee: Zhejiang Planka Brazing Tool Co ltd
Current assignee: Zhejiang Planka Brazing Tool Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-05-31
Anticipated expiration: 2042-04-02
Also published as: CN114559257B

Abstract

The utility model relates to a roll-in tool bit and device for processing drilling tool relates to drilling tool processing technology field, and the tool bit includes the cutter body, rotates the roller pressure head that sets up on the cutter body, has seted up on the cutter body and has supplied roller pressure head pivoted rotation chamber, and the lateral wall of roller pressure head extends to rotate the chamber and rolls the butt with the drilling tool lateral wall, and the screw thread groove that has been seted up to the one end that the roller pressure head was kept away from to the cutter body. The device comprises a machine tool, a clamp which is arranged on the machine tool in a sliding mode and clamps the drill tool, and a motor which is arranged on the machine tool and drives the clamp to rotate, wherein a sliding seat which is located on one side of the clamp is arranged on the machine tool in a sliding mode, the sliding seat slides in the direction perpendicular to the rotating axis of the clamp, a grinding and pressing column which is in threaded connection with a cutter body is fixedly connected onto the sliding seat, and a lubricating channel communicated with an oil duct is formed in the grinding and pressing column. This application drives the cutter body through grinding the compression leg and rolls and support tightly in drilling tool circumference lateral wall, reduces the roughness of drilling tool circumference lateral wall to extrude drilling tool circumference lateral wall, thereby have the advantage that improves drilling tool surface hardness.

Description

Rolling cutter head and device for machining drill tools

Technical Field

The application relates to the technical field of drilling tool machining, in particular to a rolling cutter head and a device for machining a drilling tool.

Background

The existing drill tool is a tool for rock drilling, is a general name of a connecting rod drill bit tail, a drill rod, a connecting sleeve, a drill bit, an integral drill rod and the like, and is widely applied to various mining and urban construction.

In the production process of the drill tool, the drill tool needs to be clamped on a machine tool, the drill tool needs to be cut to form a required shape and a specific hole, and then the machine tool is used for grinding the corner of the cut drill tool.

The inventor thinks that: the traditional machine tool is used for polishing the drill tool, so that the surface roughness of the polished drill tool is larger, and the surface hardness of the drill tool is lower.

Disclosure of Invention

In order to improve the hardness of the surface of the drill tool, the application aims to provide a rolling cutter head and a device for machining the drill tool.

On one hand, the application provides a roll-in tool bit for processing drilling tool, adopts following technical scheme:

the rolling cutter head for machining the drilling tool comprises a cutter body and a rolling head rotatably arranged on the cutter body, wherein a rotating cavity for the rolling head to rotate is formed in the cutter body, a side wall of the rolling head extends out of the rotating cavity and is in rolling butt joint with a side wall of the drilling tool, and a thread groove is formed in one end, far away from the rolling head, of the cutter body.

By adopting the technical scheme, when the rolling cutter head is arranged on the machine tool, the rolling cutter head is fixedly connected through the thread groove in a threaded manner, so that the rolling cutter head on the cutter body is aligned to the side wall of the brazing tool. Until when polishing the drilling tool, support the roll-in head tightly in the circumference lateral wall of drilling tool for the butt that receives the roller pressure head when the drilling tool rotates, so that roller pressure head and drilling tool form the butt that rolls. And then make the drilling tool receive the roller pressure head to support tightly at the pivoted in-process to make the roller pressure head polish the drilling tool circumference lateral wall, reduce the roughness of drilling tool circumference lateral wall, and extrude the drilling tool circumference lateral wall, thereby improve the hardness on drilling tool surface.

Optionally, the cutter body is detachably connected with a locking block, the locking block slides into the rotating cavity, the rolling head is coaxially connected with a rolling shaft, and a rotating groove for rotating the rolling shaft is formed in the locking block.

Through adopting above-mentioned technical scheme, when the roll squeezer worn out or damaged, pull down the locking piece from the cutter body for the last roll squeezer axle of roll squeezer breaks away from and rotates the groove, so that take out the roll squeezer from rotating the intracavity. Then the replaced roller pressing head is placed into the rotating cavity, one end of the roller pressing shaft is exposed, the locking block slides into the rotating cavity, the end portion of the roller pressing shaft extends into the rotating groove, and the roller pressing head rotates on the locking block and the cutter body through the roller pressing shaft, so that the roller pressing head can be replaced conveniently.

Optionally, a rotating groove extends from a side wall of the rolling shaft, and a groove width of the rotating groove is smaller than a diameter of the rolling shaft.

By adopting the technical scheme, when the roller pressure head and the drilling tool are in rolling and abutting connection, cooling liquid is usually added to the machine tool to cool the roller pressure head and the drilling tool. The side walls of the roller pressing head and the roller pressing shaft are exposed out of the cutter body, so that the area of the roller pressing head exposed out of the cutter body is increased through the roller pressing shaft, the contact area of the roller pressing head and cooling liquid is increased, and the cooling effect of the roller pressing head is improved.

Optionally, an oil duct communicating the thread groove and the rotating cavity is formed in the cutter body, a baffle for separating the rotating cavity from the thread groove in a communicating manner is vertically slid in the oil duct, and a driving piece for driving the baffle to slide to open the oil duct is arranged in the locking block.

By adopting the technical scheme, when the roller pressing head and the roller pressing shaft are lubricated, lubricating oil is injected from the thread groove. Then the driving piece drives the baffle to slide upwards to open the oil duct, and the thread groove is communicated with the rotating cavity, so that lubricating oil can enter the rotating cavity after passing through the oil duct, and a rolling shaft and a rolling head in the rotating cavity are lubricated conveniently.

Optionally, the driving member includes a driving gear coaxially connected to the rolling shaft, a driven gear meshed with the driving gear, a rotating shaft rotatably connected to the inside of the locking block, and a driving block connected to a side wall of the rotating shaft, the driven gear is coaxially connected to the rotating shaft, a stopper abutted against the driving block is arranged on the baffle, and the driving block is used for abutting the stopper to drive the baffle to slide so as to open the oil duct.

By adopting the technical scheme, when the driving baffle plate moves upwards to open the oil duct, the roller bit is already rolled and abutted to the drilling tool, and the rotating drilling tool drives the roller bit to rotate. The roller pressing head drives the driving gear to rotate after rotating, the driving gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, and the rotating shaft drives the driving block to rotate. The driving block supports the stop block after upwards rotating so as to upwards move the stop block, and then the stop block is upwards moved to open the oil duct, so that lubricating oil in the thread groove conveniently enters the rotating cavity to lubricate the roller pressing head in rotation. The driving block supports the stop block to move upwards and then rotates downwards, the stop block breaks away from the driving block and then slides downwards along with the baffle to block the oil duct, namely, the driving block rotates every circle to support the stop block to drive the baffle to move upwards for one time and then slide downwards, so that the oil duct is continuously opened and closed. Consequently through setting up driving gear, driven gear, utilize the pivot to rotate along with the drive driving block that driven gear rotated back for the dog receives the stopper to drive the gliding again after moving on the baffle after supporting of driving block, so that the oil duct is constantly opened the back and is closed, reduces the velocity of flow and the oil pressure increase of lubricating oil in rotating the intracavity, reduces too much lubricating oil and extravagant along with the rotation of roller pressure head, thereby is convenient for use-sparingly lubricating oil.

Optionally, the number of driven gear teeth turns is greater than the number of driving gear teeth turns.

Through adopting above-mentioned technical scheme for the roll extrusion head rotates many rings and just can drive the pivot and rotate the round, and the driving gear rotates many rings and just drives driven gear and rotate the round promptly, just drives the drive block and supports and move the dog, realizes that the roll extrusion head rotates many rings and just opens the oil duct once with going up the baffle, reduces the roll extrusion head and rotates the number of times that drives the baffle and go up to slide, thereby further reduces the waste of lubricating oil on the roll extrusion head.

On the other hand, this application still discloses a device for processing drilling tool, has used the roll-in tool bit, including the lathe, slide set up in with the anchor clamps of drilling tool centre gripping on the lathe, set up the drive on the lathe anchor clamps pivoted motor, still slide on the lathe and be provided with the slide that is located anchor clamps one side, the slide slides along the direction of perpendicular to anchor clamps axis of rotation, fixedly connected with and cutter body threaded connection's grinding and pressing post on the slide, set up the lubricated passageway of intercommunication oil duct in the grinding and pressing post.

By adopting the technical scheme, when the drill tool is ground and pressed on the machine tool, the sliding clamp clamps the drill tool, and the motor drives the clamp to drive the drill tool to rotate. Then the cutter body is in threaded connection with the grinding and pressing column, and the sliding seat slides towards the direction of the drilling tool so as to drive the rolling head on the cutter body to abut against the side wall of the drilling tool. The roller head is enabled to rotate along with the rotation of the drill tool after abutting against the drill tool, so that the oil duct is opened, lubricating oil is injected from the lubricating oil duct, the lubricating oil enters the rotating cavity through the oil duct to lubricate the rotation of the roller head, and the roller head is convenient to apply pressure while polishing the circumferential side wall of the drill tool.

Optionally, the clamp includes a holder slidably disposed on the machine tool, a chuck rotatably disposed on the machine tool, and a support pillar rotatably disposed on the holder, the motor drives the chuck to rotate, and the support pillar supports the drill tool tightly on the chuck to rotate together with the chuck.

By adopting the technical scheme, when the drilling tool is fixed, the sliding clamping seat drives the chuck and the ejection column to be away from each other, so that the distance between the chuck and the ejection column is increased, the drilling tool is conveniently placed on the chuck to be clamped and fixed, and then the ejection column supports the drilling tool on the chuck. Then the motor drives the chuck to rotate, and further drives the drilling tool and the top column to rotate together, so that the drilling tool is conveniently driven to rotate after being fixed.

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

by arranging the roller pressing head, the roller pressing head is abutted against the circumferential side wall of the drill tool to rotate so as to polish the circumferential side wall of the drill tool, the roughness of the circumferential side wall of the drill tool is reduced, and the circumferential side wall of the drill tool is extruded, so that the hardness of the surface of the drill tool is improved;

by arranging the baffle and the oil duct, the oil duct is blocked by utilizing the vertical sliding of the baffle, so that lubricating oil is discontinuously input for lubrication, and the roller press head is conveniently lubricated from the inside of the cutter body;

by arranging the driving gear and the driven gear, the rotating shaft is rotated along with the driven gear to drive the driving block to rotate, so that the stop block is pushed by the driving block to drive the baffle plate to move upwards and then slide downwards, the oil duct is opened and closed continuously, the flow rate of lubricating oil in the rotating cavity is reduced, the oil pressure is increased, the waste of excessive lubricating oil along with the rotation of the roller pressing head is reduced, and the lubricating oil is saved;

through setting up slide, chuck, fore-set, utilize the slide to adjust the distance between chuck and the fore-set for the fore-set pushes up the drilling tool on the chuck, thereby is convenient for drive the drilling tool rotation after fixing the drilling tool.

Drawings

Fig. 1 is a schematic structural diagram for showing a cutter body according to an embodiment of the present application.

Fig. 2 is an exploded view of an embodiment of the present application for illustrating a driver.

Fig. 3 is a cross-sectional schematic view of the present application showing a drive block.

Fig. 4 is a schematic diagram illustrating the overall structure of the device for machining a drill tool according to the present application.

Description of reference numerals: 1. a cutter body; 11. a roll press head; 12. rolling the shaft; 13. a rotation chamber; 14. a locking block; 141. a rotating groove; 15. a bolt; 151. a nut; 16. a thread groove; 17. an oil passage; 18. a baffle plate; 181. a stopper; 19. a drill tool; 2. a drive member; 21. a driving gear; 22. a driven gear; 23. a rotating shaft; 24. a drive block; 3. a machine tool; 31. a motor; 32. a cooling tube; 4. a clamp; 41. a holder; 42. a chuck; 43. a top pillar; 44. a slide base; 45. grinding the pressing column; 451. an oil injection nozzle.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a rolling cutter head for machining a drill tool.

Referring to fig. 1 and 2, including cutter body 1, rotate the roller pressure head 11 of connecting on cutter body 1, offer on the cutter body 1 and supply roller pressure head 11 pivoted to rotate the chamber 13, rotate the lateral wall that the chamber 13 runs through cutter body 1 one side, it has locking block 14 to rotate to slide in the chamber 13 promptly, the direction that locking block 14 slided is the same with the axis direction that roller pressure head 11 rotated.

Referring to fig. 1 and 2, the rotation cavity 13 extends through the top wall of the cutter body 1, and the top wall of the locking block 14 is flush with the top wall of the cutter body 1. The two ends of the rolling head 11 are coaxially connected with rolling shafts 12, wherein the rolling shaft 12 at one end is rotatably connected in the locking block 14, and a rotating groove 141 for rotating the rolling shaft 12 is formed in the locking block 14. The rolling head 11 may be a ball embedded in the cutter body 1, and the rolling effect can be achieved by the ball rolling and tightly abutting against the drill tool 19.

Referring to fig. 1 and 2, the width of the rotation cavity 13 on the top wall of the cutter body 1 is smaller than the diameter of the rolling head 11, and the width of the notch of the rotation groove 141 is also smaller than the diameter of the rolling shaft 12, so as to restrict the rolling head 11 and the rolling shaft 12 from being separated from the cutter body 1. The circumferential side walls of the roller head 11 and the roller shaft 12 each extend out of the rotation cavity 13 and the rotation groove 141.

Referring to fig. 2, a bolt 15 is inserted through the cutter body 1, the bolt 15 penetrates through the locking block 14, and a nut 151 is connected to one end of the bolt 15 penetrating through the locking block 14 through a thread. So as to fix the locking block 14 on the cutter body 1 through the bolt 15 and realize the detachable connection of the locking block 14.

Referring to fig. 1 and 3, a thread groove 16 is formed in one end of the cutter body 1, which is away from the roller head 11 and the locking block 14, an oil passage 17 communicated with the rotating cavity 13 is formed in the bottom of the thread groove 16, and a baffle 18 is arranged in the oil passage 17 in a sliding manner in the vertical direction. The baffle 18 is used for blocking the communication between the rotating cavity 13 and the thread groove 16, and the locking block 14 is internally provided with a driving piece 2 which drives the baffle 18 to slide upwards to open the oil channel 17.

Referring to fig. 1 and 2, the driving member 2 includes a driving gear 21 coaxially connected to the pressing shaft 12, a driven gear 22 engaged with the driving gear 21, a rotating shaft 23 rotatably connected to the inside of the locking block 14, and a driving block 24 connected to a side wall of the rotating shaft 23. The rotation axis of the rotation shaft 23 is parallel to the roller press shaft 12, and the diameter of the driven gear 22 is larger than that of the driving gear 21, that is, the number of the gear rings of the driven gear 22 is larger than that of the driving gear 21, so that the roller press shaft 12 rotates for multiple turns to drive the rotation shaft 23 to rotate for one turn.

Referring to fig. 2 and 3, the driving gear 21 is rotated in the rotation groove 141, and the driven gear 22 and the driving block 24 are located between the nip shaft 12 and the barrier 18. One side of the baffle plate 18 facing the rotating shaft 23 is fixedly connected with a stop 181 located on a rotating path of the driving block 24, so that the stop 181 is pushed upwards after the driving block 24 rotates along with the rotating shaft 23, and the stop 181 drives the baffle plate 18 to slide upwards to open the oil passage 17.

Referring to fig. 2 and 3, the oil pressure is injected into the oil passage 17 from the thread groove 16 until the oil pressure in the oil passage 17 increases but the flow rate decreases after the driving block 24 rotates past the stopper 181. The baffle 18 slides downwards under the action of gravity to close the oil passage 17 again, so that lubricating oil is prevented from flowing into the rotating cavity 13 all the time to lubricate the roller pressing head 11, the roller pressing head 11 rotates for multiple circles, and the baffle 18 slides upwards and opens once to save the lubricating oil.

The implementation principle of the rolling cutter head for machining the drill tool in the embodiment of the application is as follows: when the roller head 11 is used, the roller head 11 rolls and abuts against the circumferential side wall of the drill tool 19, then the drill tool 19 drives the roller head 11 to rotate, and the roller head 11 abuts against the drill tool 19 to polish and roll the drill tool 19. Meanwhile, the rolling shaft 12 also drives the driving gear 21 to rotate, the driving gear 21 drives the driven gear 22 to rotate, the driven gear 22 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the driving block 24 to rotate. After the driving block 24 rotates upwards, the stop 181 is abutted, so that the baffle 18 slides upwards to open the oil passage 17, and the lubricating oil in the thread groove 16 enters the oil passage 17 to the rotating cavity 13 to lubricate the roller head 11. Until the driving block 24 rotates past the stop block 181, the baffle 18 slides down under gravity to close the oil passage 17 again, so that the oil passages 17 are communicated at intervals, and the oil saving effect is achieved. .

The embodiment of the application also discloses a device for machining the drilling tool.

Referring to fig. 4, the device for machining the drill tool comprises a machine tool 3, a clamp 4 slidably mounted on the machine tool 3 for clamping the drill tool 19, and a motor 31 mounted on the machine tool 3 for driving the clamp 4 to rotate. The clamp 4 comprises a clamp base 41 slidably connected to the machine tool 3, a chuck 42 rotatably connected to the machine tool 3, and a top post 43 rotatably connected to the machine tool 3.

Referring to fig. 4, the end of the top stud 43 is tapered to facilitate the extension of the top stud 43 into the drill 19 and to tighten the drill 19 onto the chuck 42. The holder 41 drives the top pillar 43 to slide along the direction of the rotation axis of the chuck 42, and the rotation axis of the top pillar 43 is coaxial with the rotation axis of the chuck 42.

Referring to fig. 3 and 4, a sliding seat 44 is slidably moved on the clamping seat 41 and is located on one side of the drill 19, the sliding seat 44 slides along a direction perpendicular to the rotation axis of the top column 43, the sliding seat 44 controls the sliding motion through a pneumatic sliding rail, and the clamping seat 41 can drive the sliding seat 44 and the top column 43 to slide towards or away from the chuck 42.

Referring to fig. 3 and 4, a grinding and pressing column 45 is fixedly connected to the sliding base 44, the grinding and pressing column 45 extends along the sliding direction of the sliding base 44, one end of the grinding and pressing column 45, which is close to the top column 43, is connected in the thread groove 16 of the cutter body 1 in a threaded manner, and a lubricating channel communicated with the oil channel 17 is formed in the grinding and pressing column 45. At this time, the axial direction of the roller head 11 in the cutter body 1 is the same as the extending direction of the rotation axis of the top post 43.

Referring to fig. 3 and 4, a cooling pipe 32 is installed on the machine tool 3 to be aligned between the cutter body 1 and the drill 19, and oil-cooled oil, i.e., lubricating oil, is introduced into the cooling pipe 32. One end of the grinding column 45 close to the top column 43 is connected with an oil injection nozzle 451, the oil injection nozzle 451 is used for being connected with an oil delivery pipe, and oil of the oil injection nozzle 451 can be injected into the thread groove 16 and enter the oil channel 17 to lubricate the rolling contact of the roller press head 11.

The implementation principle of the device for machining the drill tool in the embodiment of the application is as follows: when the drill tool 19 is ground and pressed, one end of the drill tool 19 is clamped by the chuck 42, the clamp holder 41 is moved to drive the slide seat 44 and the top column 43 to move towards the chuck 42, so that the top column 43 extends into the drill tool 19 to tightly abut against the chuck 42. The slide 44 is then slid towards the top post 43 so that the grinding cylinder 45 approaches the drill tool 19, so that the roller head 11 abuts against the circumferential side wall of the drill tool 19. Finally, the motor 31 is started to drive the chuck 42 to rotate, so as to drive the drill tool 19 to rotate, so that the drill tool 19 drives the roller head 11 to rotate, and cooling is carried out under the lubrication of flowing lubricating oil. So that the drill bit 19 is pressed by the roller press head 11 in the rotating process, the roller press head 11 polishes the circumferential side wall of the drill bit 19, the roughness of the circumferential side wall of the drill bit 19 is reduced, and the circumferential side wall of the drill bit 19 is extruded, so that the hardness of the surface of the drill bit 19 is improved.

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. A roll-in tool bit for processing a drill tool, characterized in that: the drill bit comprises a cutter body (1) and a roller pressing head (11) arranged on the cutter body (1) in a rotating mode, wherein the cutter body (1) is provided with a rotating cavity (13) for rotating the roller pressing head (11), the side wall of the roller pressing head (11) extends out of the rotating cavity (13) and is in rolling butt joint with the side wall of a drilling tool (19), and a thread groove (16) is formed in one end, far away from the roller pressing head (11), of the cutter body (1).

2. A rolled bit for machining a drill tool according to claim 1, characterized in that: the cutter body (1) is detachably connected with a locking block (14), the locking block (14) slides into the rotating cavity (13), the rolling head (11) is coaxially connected with a rolling shaft (12), and a rotating groove (141) for the rolling shaft (12) to rotate is formed in the locking block (14).

3. A rolled bit for machining a drill tool according to claim 2, characterized in that: a rotating groove (141) extends out of the side wall of the rolling shaft (12), and the groove width of the rotating groove (141) is smaller than the diameter of the rolling shaft (12).

4. A rolled bit for machining a drill tool according to claim 2, characterized in that: an oil duct (17) communicated with the threaded groove (16) and the rotating cavity (13) is formed in the cutter body (1), a baffle (18) for communicating and separating the rotating cavity (13) and the threaded groove (16) is vertically slid in the oil duct (17), and a driving piece (2) for driving the baffle (18) to slide to open the oil duct (17) is arranged in the locking block (14).

5. A rolled bit for machining a drill tool according to claim 4, characterized in that: driving piece (2) including coaxial coupling in driving gear (21) on roll-in axle (12), meshing driven gear (22) of driving gear (21), rotate connect in pivot (23) in locking block (14), connect in drive block (24) on pivot (23) lateral wall, driven gear (22) coaxial coupling is on pivot (23), be provided with on baffle (18) with dog (181) of drive block (24) butt, drive block (24) are used for to support dog (181) and drive baffle (18) slide and open oil duct (17).

6. A rolled bit for machining a drill tool according to claim 5, characterized in that: the number of the gear rings of the driven gear (22) is larger than the number of the teeth of the driving gear (21).

7. A device for machining a drill tool using a rolling bit for machining a drill tool according to any one of claims 1 to 6, characterized in that: the drill rod drilling machine is characterized by comprising a machine tool (3), a clamp (4) which is arranged on the machine tool (3) in a sliding mode and clamps a drill tool (19), a motor (31) which is arranged on the machine tool (3) and drives the clamp (4) to rotate, a sliding seat (44) which is arranged on one side of the clamp (4) is further arranged on the machine tool (3) in a sliding mode, the sliding seat (44) slides in a direction perpendicular to the rotating axis of the clamp (4), a grinding and pressing column (45) which is in threaded connection with a cutter body (1) is fixedly connected onto the sliding seat (44), and a lubricating channel communicated with an oil duct (17) is formed in the grinding and pressing column (45).

8. An apparatus for machining a drill tool according to claim 7, wherein: the clamp (4) comprises a clamping seat (41) which is arranged on the machine tool (3) in a sliding mode, a chuck (42) which is arranged on the machine tool (3) in a rotating mode, and a jacking column (43) which is arranged on the clamping seat (41) in a rotating mode, the motor (31) drives the chuck (42) to rotate, and the jacking column (43) enables the drilling tool (19) to be abutted to the chuck (42) to rotate together with the chuck (42).