CN218926341U

CN218926341U - Protection device for deep hole drill bit of multi-rotating-shaft power head drilling machine

Info

Publication number: CN218926341U
Application number: CN202122841512.9U
Authority: CN
Inventors: 杨远圆; 杨碧荣
Original assignee: Wuxi Zhengyang Papermaking Machinery Co ltd
Current assignee: Wuxi Zhengyang Papermaking Machinery Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2023-04-28
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a protection device for a deep hole drill bit of a multi-rotating-shaft power head drilling machine, which comprises a chip removal box, wherein the chip removal box is of an inverted U-shaped structure and comprises a front support arm, a rear support arm and a cross arm, the front support arm and the rear support arm are respectively provided with a front through hole and a rear through hole at the same horizontal position, the center of the cross arm is provided with a vertical arm, and the vertical arm is provided with an anti-shake device which is coaxial with the front through hole and the rear through hole.

Description

Protection device for deep hole drill bit of multi-rotating-shaft power head drilling machine

Technical Field

The utility model relates to the field of numerically controlled lathe structures, in particular to a protection device for a deep hole drill bit of a multi-spindle power head drilling machine.

Background

The press roll is the main component of the press device, the press roll is a lot of kinds, the press part of old paper machine uses the flat press roll in many, along with the improvement of paper machine speed, begin to use the vacuum roll, bore full hole according to two helix on the stainless steel roller shell, the lathe kind of boring on the stainless steel roller shell is more now, in order to improve the efficiency of boring and the quality of boring, each manufacturer has the numerical control lathe that is used for boring of self design, these numerical control lathes are mostly designed with a plurality of drill bits and bore simultaneously, but because the interval between the hole is less during the boring, a plurality of drill bits cause each other easily at the during operation, the waste residue that splashes when boring sputters on other drill bits or the drill bit that corresponds of self, simultaneously when arranging the hole to the roller, because it is multiaxis rotation, many drill bits and work piece vibrations, consequently, the phenomenon of breaking the sword is broken and boring is serious, the drill bit that uses is slender when boring, rigidity intensity is poor, extremely broken when the drill bit rotational speed is high, to these problems.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a protection device for a deep hole drill bit of a multi-spindle power head drilling machine, which is easy to collect waste residues generated in the processing process, prevents the damage of the waste residues to the drill bit, can greatly reduce the situation of breaking and breaking the drill bit caused by vibration in the working process, and protects the drill bit.

The technical scheme is as follows: the utility model relates to a protection device for a deep hole drill bit of a multi-rotating-shaft power head drilling machine, which comprises a chip removal box and is characterized in that: the chip removal box is of an inverted U-shaped structure and comprises a front support arm, a rear support arm and a cross arm, wherein the front support arm and the rear support arm are respectively provided with a front through hole and a rear through hole at the same horizontal position, and a hollow oil cylinder is arranged in the front through hole; the center of the cross arm is provided with a vertical arm, the vertical arm is provided with an anti-shake device, the anti-shake device is provided with a perforation which is suitable for a drill bit to pass through, and the perforation is coaxial with the front through hole and the rear through hole.

Preferably, a damping ring is arranged between the rear through holes, and is made of elastic material and used for absorbing vibration generated when the drill bit rotates at high speed

Preferably, a cylinder body is arranged between the hollow oil cylinder and the front through hole, one end of the cylinder body is fixedly connected with the inner wall of the front through hole, the other end of the cylinder body extends out of the front through hole, a support ring is arranged at one end of the cylinder body extending out of the front through hole, and one side of the support ring is fixedly connected with the outer wall of the front support arm.

Preferably, a first slot, a through slot and a second slot are arranged in the hollow oil cylinder, the first slot is close to the roller to be processed, the through slot and the second slot are sequentially arranged behind the first slot, the through slot and the second slot are coaxial, the radial space of the second slot is larger than that of the through slot, and the radial space of the through slot is larger than that of the first slot.

Preferably, the inner wall of the first slot is provided with a bit holder for positioning and absorbing shock, the bit holder (protruding toward the workpiece to be machined) of the first slot.

Preferably, the outer sides of the front support arm and the rear support arm are also provided with a baffle for fixing the front support arm and the rear support arm.

The beneficial effects are that: this application is through the design of chip removal case, and the effectual sweeps that produce in the course of working are collected together, prevent to splash everywhere, damage the condition of other drill bits, preceding through-hole and back through-hole cooperation anti-shake device simultaneously, effectually avoided the drill bit because the shake that vibrations produced in the course of working, the effectual vibrations in the course of working that have absorbed of drill bit cover have finally protected the drill bit, have prolonged the life of drill bit.

Drawings

Fig. 1 is a side cross-sectional view of the present application.

Detailed Description

As shown in fig. 1, the chip removal case 1 is a side cross section of the chip removal case 1 is of an inverted U-shaped structure, the chip removal case 1 comprises a front support arm 2, a rear support arm 3 and a cross arm 4, wherein the front support arm 2 and the rear support arm 3 are respectively provided with a front through hole 5 and a rear through hole 6 at the same horizontal position, a hollow oil cylinder 7 is arranged in the front through hole 5, a cylinder body 12 is arranged between the hollow oil cylinder 7 and the front through hole 5, one end of the cylinder body 12 is fixedly connected with the inner wall of the front through hole 5, the other end of the cylinder body 12 extends out of the front through hole 5, one end of the cylinder body 12 extends out of the front through hole 5 and is provided with a support ring 13, one side of the support ring 13 is fixedly connected with the outer wall of the front support arm 2, and the whole cylinder body 12 is used for fixing the hollow oil cylinder 7 on the chip removal case 1.

In this embodiment, a first slot 71, a through slot 72 and a second slot 73 are disposed in the hollow cylinder 7, the first slot 71 is close to a workpiece to be processed, the through slot 72 and the second slot 73 are sequentially disposed behind the first slot 71, the through slot 72 and the second slot 73 are coaxial, the radial space of the second slot 73 is larger than that of the through slot 72, the radial space of the through slot 72 is larger than that of the first slot 71, a drill sleeve 15 for positioning and absorbing shock is simultaneously disposed on the inner wall of the first slot 71, the drill sleeve 15 protrudes toward the workpiece to be processed to the first slot 71, the drill 11 penetrates through the second slot 73, the through slot 72 and the first slot 71, the first slot 71 is extended out, waste residues generated during processing sequentially flow into the first slot 71, the through slot 72 and the second slot 73 through the side slots of the drill 11, and finally flow into the chip removal box 1.

In this embodiment, a damping ring 10 is disposed between the rear through holes 6, and the damping ring 10 is made of an elastic material, so that vibration generated when the drill bit 11 rotates at a high speed can be absorbed.

In this embodiment, the center of the cross arm 4 is provided with the vertical arm 8, the vertical arm 8 is provided with the anti-shake device 9, the anti-shake device 9 is provided with a perforation which is suitable for the drill bit 11 to pass through, the perforation is coaxial with the front through hole 5 and the rear through hole 6, the drill bit 11 sequentially passes through the rear through hole 6, the perforation in the anti-shake device 9 and the front through hole 5, and the drill bit 11 is easy to shake during high-speed rotation, so the perforation in the anti-shake device 9 provides supporting protection for the drill bit 11, and excessive shake of the drill bit 11 can be avoided.

In this embodiment, the outer sides of the front support arm 2 and the rear support arm 3 are further provided with a baffle plate 14 for fixing the entire chip discharging box 1, and the baffle plate 14 can also prevent the chip discharging box 1 from shaking during operation, so as to avoid damage to the drill bit 11.

When the embodiment works, the left end part of the hollow oil cylinder 7, the position of the drill sleeve 15 and a workpiece to be processed are compacted, a gap is not reserved, oil pressure is not lost, scraps generated when the drill 11 works can be discharged into the chip removal box 1 along the side groove of the drill 11 through the first groove 71, the through groove 72 and the second groove 73 in the hollow oil cylinder 7, and the relative displacement between the workpiece and the drill sleeve 15 can be eliminated; after the drill sleeve 15 is compacted with a workpiece to be machined, the drill 11 sequentially passes through the rear through hole 6, the anti-shake device 9 and the front through hole 5, finally, the workpiece is machined after penetrating out of the front through hole 5, and during machining, the high-pressure cutting oil pump charges the drill 11 with oil under high pressure, so that drilling scraps are punched out of a side groove of the drill and enter the chip removal box 1, the purpose of deep hole cutting is achieved, the high-pressure cutting oil pump is closed after machining is completed, and the drill 11 is withdrawn from the chip removal box 1, so that the whole machining process is completed.

Claims

1. The utility model provides a protection device for multi-spindle unit head rig deep hole drill bit, is including chip removal case (1), its characterized in that: the chip removal box (1) is of an inverted U-shaped structure and comprises a front support arm (2), a rear support arm (3) and a cross arm (4), wherein a front through hole (5) and a rear through hole (6) are respectively arranged in the same horizontal position of the front support arm (2) and the rear support arm (3), and a hollow oil cylinder (7) is arranged in the front through hole (5); the center of the cross arm (4) is provided with a vertical arm (8), the vertical arm (8) is provided with an anti-shake device (9), the anti-shake device (9) is provided with a perforation which is suitable for a drill bit to pass through, and the perforation is coaxial with the front through hole (5) and the rear through hole (6).

2. The protection device for a multi-spindle powerhead drilling machine deep hole drill bit of claim 1, characterized in that: a damping ring (10) is arranged between the rear through holes (6), and the damping ring (10) is made of elastic materials and absorbs vibration generated when the drill bit (11) rotates at a high speed.

3. The protection device for a multi-spindle powerhead drilling machine deep hole drill bit of claim 1, characterized in that: a cylinder body (12) is arranged between the hollow oil cylinder (7) and the front through hole (5), one end of the cylinder body (12) is fixedly connected with the inner wall of the front through hole (5), the other end of the cylinder body extends out of the front through hole (5), a support ring (13) is arranged at one end of the cylinder body (12) extending out of the front through hole (5), and one side of the support ring (13) is fixedly connected with the outer wall of the front support arm (2).

4. The protection device for a multi-spindle powerhead drilling machine deep hole drill bit of claim 1, characterized in that: be provided with first fluting (71), logical groove (72) and second fluting (73) in hollow cylinder (7), first fluting (71) are close to the roller spare that waits to process, logical groove (72) set gradually at first fluting (71) rear with second fluting (73), first fluting (71), logical groove (72) and second fluting (73) are coaxial, second fluting (73) radial space is greater than logical groove (72) radial space, logical groove (72) radial space is greater than first fluting (71) radial space.

5. The protection device for a multi-spindle powerhead drilling machine deep hole drill bit of claim 4, characterized in that: the inner wall of the first slot (71) is provided with a drill sleeve (15) for positioning and absorbing shock, and the drill sleeve (15) protrudes out of the first slot (71) towards a workpiece to be processed.

6. The protection device for a multi-spindle powerhead drilling machine deep hole drill bit of claim 1, characterized in that: the outer sides of the front support arm (2) and the rear support arm (3) are also provided with a baffle plate (14) for fixing the front support arm (2) and the rear support arm (3).