CN115741158A

CN115741158A - Coaxially nested drill bit clamp and clamping method thereof

Info

Publication number: CN115741158A
Application number: CN202211489930.9A
Authority: CN
Inventors: 张建华
Original assignee: Jiangsu Feida Drills Co ltd
Current assignee: Jiangsu Feida Drills Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-07

Abstract

The invention relates to the field of drill clamps, in particular to a coaxially nested drill bit hoop clamp and a clamping method thereof, wherein the coaxially nested drill bit hoop clamp comprises a workbench, a support tube is arranged in the workbench, and the coaxially nested drill bit hoop clamp and the clamping method thereof are characterized by further comprising the following steps: the trigger mechanism is arranged in the supporting pipe and comprises a trigger component and a movable disc, a drill bit can be arranged in the supporting pipe and can be driven by the movable disc to move, and an adjusting mechanism connected with the trigger component is arranged in the supporting pipe and is used for adjusting the position of the trigger component; the clamping mechanism is arranged in the supporting pipe and comprises a clamping assembly and a clamping plate; the regulating mechanism is arranged in the workbench and connected with the supporting tube and the clamping component, and can drive the clamping plates to move close to or away from each other through the clamping component after the trigger component works.

Description

Coaxially nested drill bit hoop clamp and clamping method thereof

Technical Field

The invention relates to the field of drill bit clamps, in particular to a coaxially nested drill bit hoop clamp and a clamping method thereof.

Background

The drill bit is a rotary tool with cutting ability at the head end, is generally made of carbon steel SK or high-speed steel SKH2, SKH3 and other materials through milling or rolling, quenching, tempering, heat treatment and grinding, is used for drilling on metal or other materials, has a wide application range, and can be applied to tool machines such as drilling machines, lathes, milling machines, electric hand drills and the like.

When the drill bit adds man-hour, need be fixed with the drill bit idiosome, current drill bit anchor clamps are fixed anchor clamps generally, and the rigidity of this kind of anchor clamps on the lathe is motionless, and accessible manual regulation is fixed with not unidimensional drill bit, however the position of clamping part can't be adjusted according to the required processing part's of drill bit size to this kind of anchor clamps, and in the manual regulation clamping process, and the unable assurance of centre gripping dynamics, the problem that the drill bit rocked can appear.

Disclosure of Invention

The invention aims to provide a coaxially nested drill bit hoop clamp and a clamping method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a coaxial nested drill bit band clamp, includes the workstation, install the stay tube in the workstation, its characterized in that, coaxial nested drill bit band clamp still includes:

the trigger mechanism is arranged in the supporting pipe and comprises a trigger component and a movable disc, a drill bit can be arranged in the supporting pipe and can be driven by the movable disc to move, and an adjusting mechanism connected with the trigger component is arranged in the supporting pipe and is used for adjusting the position of the trigger component;

the clamping mechanisms are arranged in the supporting pipes and are arranged in groups at equal intervals on the circumference, each clamping mechanism comprises a clamping component and a clamping plate, and the clamping components fix the drill bit through the clamping plates;

the regulating mechanism is arranged in the workbench and connected with the supporting tube and the clamping component, and can drive the clamping plates to move close to or away from each other through the clamping component after the trigger component works.

As a further scheme of the invention: the trigger assembly comprises a hollow rod, a movable rod and a static contact, wherein the hollow rod is mounted on the adjusting mechanism and symmetrically arranged, the movable rod is movably mounted in the hollow rod, the static contact is mounted on the hollow rod, a movable contact matched with the static contact is arranged on the movable rod, an elastic structure connected with the hollow rod and the movable rod is arranged in the supporting tube, the movable rod is connected with the movable plate, and the hollow rod is connected with the adjusting mechanism.

As a still further scheme of the invention: elastic construction is including seting up draw-in groove on the well cavity pole, install on the movable rod and with the solid fixed ring of draw-in groove block, install respectively well cavity pole with two stoppers on the movable rod, the cover be equipped with on the well cavity pole with the spring of solid fixed ring butt.

As a still further scheme of the invention: adjustment mechanism is including seting up on the stay tube and be straight flute, the rotation that the symmetry set up and install lead screw, movable mounting in the workstation on the lead screw and with lead screw thread fit's threaded sleeve, be provided with in the workstation with threaded sleeve with the direction subassembly that the straight flute is connected, the direction subassembly with well cavity pole is connected.

As a still further scheme of the invention: the direction subassembly is including installing guide bar on the workstation, movable mounting has guide sleeve on the guide bar, guide sleeve is last install with the supporting disk of straight flute block, the supporting disk with the threaded sleeve with the cavity pole is connected.

As a still further scheme of the invention: the centre gripping subassembly is including installing spacing ring in the support tube, seting up a plurality of logical grooves that just are the circumference equidistance and set up in the support tube, articulate just be a plurality of hinge bars that the circumference equidistance set up on the spacing ring, be provided with on the hinge bar with lead to the slope piece of groove block, the hinge bar with the cardboard is connected, the slope piece with regulation and control mechanism connects.

As a still further scheme of the invention: regulation and control mechanism is including rotating to be installed bevel gear, rotation in the workstation are installed dwang in the workstation, install on the dwang and with bevel gear engagement's second bevel gear, be provided with in the workstation with the meshing subassembly that the dwang is connected, meshing subassembly with the slope piece with the stay tube is connected.

As a still further scheme of the invention: the meshing component comprises a gear arranged on the rotating rod, a rotating device arranged on the rotating rod, and a rotating ring arranged on the supporting tube and arranged on the rotating ring, wherein the rotating ring is meshed with the gear ring, a limiting structure connected with the rotating ring is arranged in the working table, and the limiting structure is matched with the inclined block.

As a still further scheme of the invention: the limiting structure comprises a limiting rod arranged on the supporting tube, a movable ring arranged on the supporting tube in a sliding mode, and a limiting groove arranged on the movable ring and clamped with the limiting rod, wherein a thread groove is formed in the rotating ring, and the movable ring is clamped with the thread groove and matched with the inclined block.

A clamping method of a coaxially nested drill bit hoop clamp comprises the following steps:

the method comprises the following steps: a drill bit is arranged in the supporting pipe, and the movable disc is driven by the drill bit to move towards the bottom of the workbench, so that the trigger assembly is driven to move;

step two: when the trigger assembly works, the regulating mechanism is driven to move, the clamping plates are driven to move towards the mutually approaching direction through the clamping assembly, and the drill bit is fixed under the action of the clamping plates;

step three: in order to make the length of the unclamped part of the drill bit reach the required length, the position of the trigger assembly can be adjusted through the adjusting mechanism, so that the movement stroke of the movable disc is changed, and the position of the drill bit is adjusted.

Compared with the prior art, the invention has the beneficial effects that: this application accessible adjustment mechanism control triggers the subassembly position to the motion stroke of adjusting the movable disk, thereby the size outside the control drill bit spills the supporting tube, simultaneously, passes through the movable disk at the drill bit and drives the subassembly during operation that triggers, triggers subassembly control regulation and control mechanism motion, and is close to each other through centre gripping subassembly drive cardboard, in order to fix the drill bit.

Drawings

FIG. 1 is a schematic diagram of one embodiment of a coaxially nested drill bit collar clamp;

FIG. 2 is a schematic view of a further angle of an embodiment of a coaxially nested bit collar clamp;

FIG. 3 is a schematic view of a half-section of one embodiment of a coaxially nested drill bit collar clamp;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of a half-section of a support tube in an embodiment of a coaxially nested drill bit collar clamp;

FIG. 6 is a schematic view of the connection of the adjustment mechanism and the trigger mechanism of an embodiment of a coaxially nested drill bit collar clamp;

FIG. 7 is an exploded view of a trigger mechanism in an embodiment of a coaxially nested drill bit collar clamp;

FIG. 8 is a schematic illustration of a partially exploded view of an embodiment of a coaxially nested bit collar clamp;

in the figure: 1. a work table; 2. supporting a pipe; 3. a through groove; 4. a straight groove; 5. a screw rod; 6. a threaded sleeve; 7. a support disc; 8. a guide sleeve; 9. a guide bar; 10. a hollow shaft; 11. a card slot; 12. a movable rod; 13. a fixing ring; 14. a spring; 15. a limiting block; 16. static contact; 17. a moving contact; 18. a movable tray; 19. a limiting ring; 20. a hinged lever; 21. an inclined block; 22. clamping a plate; 23. a rotating ring; 24. a movable ring; 25. a toothed ring; 26. a first bevel gear; 27. a second bevel gear; 28. rotating the rod; 29. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 8, in an embodiment of the present invention, a coaxially nested drill bit collar clamp includes a workbench 1, and a support tube 2 is installed in the workbench 1, and is characterized in that the coaxially nested drill bit collar clamp further includes:

the trigger mechanism is arranged in the supporting tube 2 and comprises a trigger component and a movable disc 18, a drill bit can be arranged in the supporting tube 2 and can be driven to move by the movable disc 18, the trigger component comprises a hollow rod 10, a movable rod 12 and a static contact 16, the hollow rod 10 is installed on the adjusting mechanism and is symmetrically arranged, the movable rod 12 is movably installed in the hollow rod 10, the static contact 16 is installed on the hollow rod 10, a movable contact 17 matched with the static contact 16 is arranged on the movable rod 12, an elastic structure connected with the hollow rod 10 and the movable rod 12 is arranged in the supporting tube 2, the movable rod 12 is connected with the movable disc 18, the hollow rod 10 is connected with the adjusting mechanism, the elastic structure comprises a clamping groove 11, a fixing ring 13 and two limiting blocks 15, the clamping ring 13 is installed on the movable rod 12 and is clamped with the clamping groove 11, the two limiting blocks are respectively installed on the hollow rod 10 and the movable rod 12, and a spring 14 is sleeved on the hollow rod 10 and abutted to the fixing ring 13.

Referring to fig. 1-3 and 5-7, it should be noted that, in an initial state, the spring 14 is in a compressed state, under the action of the fixing ring 13, the movable rod 12 is located at a stroke end in a direction away from the hollow rod 10, the movable disk 18 abuts against the limiting ring 19, when the drill needs to be fixed, at this time, the drill is placed in the support tube 2, and the movable disk 18 is driven to move toward the bottom of the support tube 2, so as to drive the movable rod 12 to move, the movable rod 12 also compresses the spring 14 through the fixing ring 13, the movable rod 12 also drives the movable contact 17 to move toward the fixed contact 16, when the movable contact 17 is matched with the fixed contact 16, at this time, the two limiting blocks 15 abut against each other, under the action of the limiting blocks 15, it is ensured that the movable disk 18 does not move any more, the movable contact 17 and the fixed contact 16 will control the operation of the regulating mechanism, after the drill is finished, the drill is separated from the support tube 2, the spring 14 is elastically released, and the movable rod 12 is driven toward a direction away from the hollow rod 10 through the fixing ring 13, so that the movable disk 18 moves again to abut against the limiting ring 19, wherein under the action of the limiting blocks 15, it is ensured that the movable contact 17 and the fixed contact is not damaged due to be over-bonded.

Be provided with in the stay tube 2 with the adjustment mechanism that the trigger subassembly is connected, adjustment mechanism is used for adjusting the trigger subassembly position, adjustment mechanism is including seting up on the stay tube 2 and being straight flute 4, the rotation that the symmetry set up and installing lead screw 5, movable mounting in the workstation 1 lead screw 5 go up and with 5 screw-thread fit's of lead screw thread bush 6, be provided with in the workstation 1 with screw bush 6 with the guide subassembly that straight flute 4 is connected, the guide subassembly with well core rod 10 is connected, wherein, the guide subassembly is including installing guide bar 9 on the workstation 1, movable mounting has guide sleeve 8 on the guide bar 9, install on the guide sleeve 8 with the supporting disk 7 of straight flute 4 block, supporting disk 7 with screw bush 6 with well core rod 10 is connected.

Referring to fig. 3 and 5-6, further, when the drill bit is processed, the drill bit needs to leak out of the support tube 2 by a certain size, in order to ensure that the leaked portion of the drill bit meets a required requirement, the distance between the movable contact 17 and the fixed contact 16 needs to be adjusted, at this time, the screw rod 5 rotates to drive the threaded sleeve 6 to move, so as to drive the support plate 7 to move, the support plate 7 will drive the guide sleeve 8 to move along the length direction of the guide rod 9, because the guide rod 9 and the guide sleeve 8 have a guiding function, it is ensured that the threaded sleeve 6 moves along the length direction of the screw rod 5 and cannot rotate along with the screw rod 5, when the support plate 7 moves, the hollow rod 10 is driven to move along the length direction of the movable rod 12, so as to change the distance between the movable contact 17 and the fixed contact 16, so as to adjust the movement stroke of the movable plate 18, wherein the screw rod 5 has a self-locking function, so as to ensure that the support plate 7 does not shake.

Fixture sets up just be circumference equidistance in the stay tube 2 and be provided with the multiunit, fixture includes centre gripping subassembly and cardboard 22, the centre gripping subassembly passes through cardboard 22 is fixed with the drill bit, the centre gripping subassembly is including installing spacing ring 19 in the stay tube 2, seting up just be a plurality of logical grooves 3 that the circumference equidistance set up in the stay tube 2, articulate just be a plurality of hinge bar 20 that the circumference equidistance set up on the spacing ring 19, be provided with on the hinge bar 20 with the slope piece 21 that leads to groove 3 block, hinge bar 20 with cardboard 22 is connected, slope piece 21 with regulation and control mechanism connects.

Referring to fig. 1-3 and 5, still further, a torsion spring is sleeved on a rotating shaft of the hinge rod 20, under the action of the torsion spring, the hinge rod 20 is attached to an inner wall of the support tube 2, the inclined block 21 passes through the through groove 3, when the movable contact 17 abuts against the fixed contact 16, the operation of the regulating mechanism is controlled, the regulating mechanism is matched with the inclined surface of the inclined block 21, so as to drive the inclined block 21 to move towards the inside of the support tube 2, the hinge rod 20 rotates around the hinge point, and drives the chuck plates 22 to move towards directions close to each other, when the chuck plates 22 move to a position abutting against the drill bit, the regulating mechanism stops moving, wherein a pressure sensor is arranged on the chuck plates 22, when the chuck plates 22 abut against the drill bit, the chuck plates 22 are pressed, and the regulating mechanism is controlled not to move any more after the pressure sensor reaches a certain value.

Regulating and controlling mechanism, set up in the workstation 1 and with stay tube 2 with the centre gripping subassembly is connected, regulating and controlling mechanism can trigger the subassembly work back, through the drive of centre gripping subassembly the cardboard 22 is close to each other or keep away from the motion, regulating and controlling mechanism is including rotating the installation No. one bevel gear 26 in the workstation 1, rotate the installation dwang 28 in the workstation 1, install on the dwang 28 and with No. two bevel gear 27 of a bevel gear 26 meshing, be provided with in the workstation 1 with the meshing subassembly that the dwang 28 is connected, the meshing subassembly with the sloping block 21 with the stay tube 2 is connected, wherein, the meshing subassembly is including installing gear 29, the rotation on the dwang 28 is installed in the workstation 1 and the cover establish swivel becket 23 on the stay tube 2, install on the swivel becket 23 and with gear 29 meshing's ring 25, be provided with the limit structure that the swivel becket 23 is connected, limit structure with the sloping block 21 cooperates, the above-mentioned limit structure including installing spacing pole on 2, slidable mounting on the stay tube 2 establish at swivel becket 24 and swivel becket 24, the cooperation of the swivel becket 24, the screw thread groove has been seted up and the cooperation of the swivel becket 24 and the cooperation of the swivel becket on.

Referring to fig. 3-4 and 8, finally, in an initial state, the movable ring 24 is located at the end of the stroke in the direction away from the inclined block 21, at this time, the movable ring 24 is not abutted against the inclined block 21, when the movable contact 17 is engaged with the stationary contact 16, the first bevel gear 26 is driven to rotate, so as to drive the second bevel gear 27 engaged therewith to rotate, so as to drive the rotating rod 28 to rotate, the rotating rod 28 will drive the gear 29 to rotate, because the gear 29 is engaged with the toothed ring 25, the rotating ring 23 provided with the toothed ring 25 is driven to rotate, the rotating ring 23 and the movable ring 24 are in a threaded fit state, so as to drive the movable ring 24 to move in the direction away from the movable disc 18, and because the limiting rod is engaged with the limiting groove, the movable ring 24 is ensured to move along the length direction of the limiting rod, and can not rotate along with the rotating ring 23, when the movable ring 24 is abutted against the inclined block 21, the hinge rod 20 is driven to rotate by the inclined block 21, so as to drive the clamping plate 22 to move, after the clamping plate 22 moves to a required position, the first bevel gear 26 stops rotating, wherein the first bevel gear 26 is connected with a motor output shaft arranged on the workbench 1, when the movable contact 17 is matched with the static contact 16, the driving motor works, when the pressure sensor reaches a set value, the motor is controlled to stop working, in order to ensure that the pressure between the clamping plate 22 and the drill bit is not too large, the transmission ratio of the gear 29 and the gear ring 25 is very small, so that the rotating speed of the rotating ring 23 is very slow, and the clamping plate 22 can smoothly fix the drill bit.

the method comprises the following steps: a drill bit is arranged in the supporting pipe 2, and the movable disc 18 is driven by the drill bit to move towards the bottom of the workbench 1, so that the trigger assembly is driven to move;

step two: when the trigger assembly works, the regulating mechanism is driven to move, the clamping plates 22 are driven to move towards the mutually approaching direction through the clamping assembly, and the drill bit is fixed under the action of the clamping plates 22;

step three: in order to achieve the desired length of the unclamped portion of the drill, the position of the trigger assembly may be adjusted by an adjustment mechanism such that the travel of the movable disk 18 is varied, thereby adjusting the position of the drill.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a coaxial nested drill bit clamp, includes workstation (1), install stay tube (2) in workstation (1), its characterized in that, coaxial nested drill bit clamp still includes:

the trigger mechanism is arranged in the supporting pipe (2) and comprises a trigger component and a movable disc (18), a drill bit can be placed in the supporting pipe (2) and the movable disc (18) drives the trigger component to move, an adjusting mechanism connected with the trigger component is arranged in the supporting pipe (2), and the adjusting mechanism is used for adjusting the position of the trigger component;

the clamping mechanisms are arranged in the supporting pipe (2) and are arranged in a plurality of groups at equal intervals on the circumference, each clamping mechanism comprises a clamping component and a clamping plate (22), and the clamping components fix the drill bit through the clamping plates (22);

the adjusting mechanism is arranged in the workbench (1) and connected with the supporting tube (2) and the clamping component, and can drive the clamping plates (22) to move close to or away from each other through the clamping component after the trigger component works.

2. The coaxially nested drill bit band clamp of claim 1, wherein the trigger assembly comprises a hollow rod (10) mounted on the adjusting mechanism and symmetrically disposed, a movable rod (12) movably mounted in the hollow rod (10), and a fixed contact (16) mounted on the hollow rod (10), wherein a movable contact (17) engaged with the fixed contact (16) is disposed on the movable rod (12), an elastic structure connected to the hollow rod (10) and the movable rod (12) is disposed in the support tube (2), the movable rod (12) is connected to the movable disc (18), and the hollow rod (10) is connected to the adjusting mechanism.

3. The coaxially nested drill bit band clamp of claim 2, characterized in that the elastic structure comprises a clamping groove (11) opened on the hollow rod (10), a fixing ring (13) mounted on the movable rod (12) and engaged with the clamping groove (11), two limit blocks (15) respectively mounted on the hollow rod (10) and the movable rod (12), the hollow rod (10) being sleeved with a spring (14) abutting against the fixing ring (13).

4. The coaxially-nested drill bit band clamp of claim 2, characterized in that the adjusting mechanism comprises straight grooves (4) symmetrically arranged on the support tube (2), a screw rod (5) rotatably installed in the workbench (1), and a threaded sleeve (6) movably installed on the screw rod (5) and in threaded fit with the screw rod (5), wherein a guiding component connected with the threaded sleeve (6) and the straight grooves (4) is arranged in the workbench (1), and the guiding component is connected with the hollow rod (10).

5. A coaxially nested drill bit band clamp according to claim 4, characterized in that the guide assembly comprises a guide rod (9) mounted on the table (1), a guide sleeve (8) is movably mounted on the guide rod (9), a support disc (7) engaged with the straight groove (4) is mounted on the guide sleeve (8), and the support disc (7) is connected with the threaded sleeve (6) and the hollow rod (10).

6. The coaxially nested drill bit band clamp of claim 1, characterized in that the clamping assembly comprises a limiting ring (19) installed in the support tube (2), a plurality of through slots (3) opened in the support tube (2) and arranged at equal intervals along the circumference, and a plurality of hinge rods (20) hinged on the limiting ring (19) and arranged at equal intervals along the circumference, wherein the hinge rods (20) are provided with inclined blocks (21) engaged with the through slots (3), the hinge rods (20) are connected with the snap plates (22), and the inclined blocks (21) are connected with the regulating mechanism.

7. The coaxially nested drill bit collar clamp of claim 6, characterized in that the adjusting mechanism comprises a first bevel gear (26) rotatably installed in the workbench (1), a rotating rod (28) rotatably installed in the workbench (1), and a second bevel gear (27) installed on the rotating rod (28) and engaged with the first bevel gear (26), wherein a meshing component connected with the rotating rod (28) is arranged in the workbench (1), and the meshing component is connected with the inclined block (21) and the support tube (2).

8. A coaxially nested drill bit band clamp according to claim 7, characterized in that, the meshing subassembly includes a gear (29) mounted on the rotating rod (28), a rotating ring (23) rotatably mounted in the table (1) and sleeved on the support tube (2), and a toothed ring (25) mounted on the rotating ring (23) and engaged with the gear (29), a limit structure connected with the rotating ring (23) is provided in the table (1), and the limit structure is engaged with the inclined block (21).

9. The coaxially nested drill bit collar clamp of claim 8, characterized in that the limiting structure comprises a limiting rod mounted on the support tube (2), a movable ring (24) slidably mounted on the support tube (2), and a limiting groove formed on the movable ring (24) and engaged with the limiting rod, wherein a threaded groove is formed on the rotary ring (23), and the movable ring (24) is engaged with the threaded groove and engaged with the inclined block (21).

10. A method of clamping a coaxially nested drill bit holder clamp, using the coaxially nested drill bit holder clamp of claim 1, comprising the steps of:

the method comprises the following steps: a drill bit is arranged in the support pipe (2), and the movable disc (18) is driven by the drill bit to move towards the bottom of the workbench (1), so that the trigger assembly is driven to move;

step two: when the trigger assembly works, the regulating mechanism is driven to move, the clamping plates (22) are driven to move towards the mutually approaching direction through the clamping assembly, and the drill bit is fixed under the action of the clamping plates (22);

step three: in order to achieve the required length of the unclamped part of the drill, the position of the trigger assembly can be adjusted by an adjusting mechanism, so that the movement stroke of the movable disc (18) is changed, and the position of the drill is adjusted.