CN222660217U

CN222660217U - Tungsten alloy pipe spiral hole processingequipment

Info

Publication number: CN222660217U
Application number: CN202421806295.7U
Authority: CN
Inventors: 王辉; 金兴强; 杜跃华; 朱志华; 楼宏峰
Original assignee: Zhejiang Hengcheng Cemented Carbide Co Ltd
Current assignee: Zhejiang Hengcheng Cemented Carbide Co Ltd
Priority date: 2024-07-29
Filing date: 2024-07-29
Publication date: 2025-03-25
Anticipated expiration: 2034-07-29

Abstract

The utility model particularly relates to a tungsten alloy tube spiral hole processing device. A tungsten alloy tube spiral hole processing device, comprising a chuck, a drilling assembly and a plurality of first placement seats, wherein the first placement seat and the drilling assembly are arranged on a movable platform, the movable platform is located on the axial side of the chuck, the movable platform can move along the axial direction of the chuck, the first placement seat is provided with a positioning groove opening upward, the first placement seat is located on the axial side of the chuck, the drilling assembly comprises a drill bit, the drill bit is located on one side of the first placement seat, the first placement seat is provided with a guide hole for the drill bit to pass through, the guide hole is connected with the positioning groove, a pressure block is provided above the first placement seat, the pressure block is used to press the tungsten alloy tube workpiece. The utility model has the advantage of being able to perform spiral drilling on tungsten alloy tubes.

Description

Tungsten alloy pipe spiral hole processingequipment

Technical Field

The utility model particularly relates to a device for machining a spiral hole of a tungsten alloy tube.

Background

The tungsten alloy has the characteristics of high density, high radiation shielding and environmental protection, and is the first choice for manufacturing the medical radiation shielding piece. A plurality of through holes which are uniformly distributed in a spiral shape are required to be arranged on the peripheral outer wall of some medical tungsten alloy tubes, and the through holes can be matched with medical equipment and used for passing isotopes.

In processing the through-holes of the tungsten alloy pipe described above, conventional drilling equipment is difficult to use due to the large density and hardness of the tungsten alloy pipe. For example, china patent with 201420723202.4 discloses a novel steel pipe drilling machine with a chuck, which clamps a steel pipe through the chuck and drills the steel pipe through the drilling machine above. However, since the tungsten alloy pipe is round, and has high density and high strength, when the drill bit of the drilling machine is in contact with the tungsten alloy pipe, the drill bit cannot instantly drill small holes in the tungsten alloy rod, and the drill bit is easy to deviate, so that drilling failure is caused.

Disclosure of utility model

The utility model aims to provide a tungsten alloy pipe spiral hole machining device capable of performing spiral drilling on a tungsten alloy pipe.

In order to achieve the above purpose, the technical scheme is that the tungsten alloy pipe spiral hole machining device comprises a chuck, a drilling assembly and a plurality of first placing seats, wherein the first placing seats and the drilling assembly are arranged on a moving table, the moving table is located on the axial side of the chuck and can move along the axial direction of the chuck, the first placing seats are provided with positioning grooves which are open upwards, the first placing seats are located on the axial side of the chuck, the drilling assembly comprises a drill bit, the drill bit is located on one side of the first placing seats, guide holes for the drill bit to penetrate through are formed in the first placing seats, the guide holes are communicated with the positioning grooves, and pressing blocks are arranged above the first placing seats and are used for pressing tungsten alloy pipe workpieces.

In the actual operation process, the chuck clamps the tungsten alloy pipe workpiece, then the pressing block is pressed down to enable the tungsten alloy pipe workpiece to be pressed in the positioning groove of the first placing seat, and then the drill bit of the drilling assembly stretches into the guide hole and moves towards the tungsten alloy pipe workpiece, so that the drill bit can drill the tungsten alloy pipe workpiece. After a group of drilling is completed, the drill bit is far away from the tungsten alloy pipe workpiece, the chuck rotates the angle of the tungsten alloy pipe, meanwhile, the movable table moves a small distance along the axial direction of the chuck, and then the drill bit drills the tungsten alloy pipe workpiece again, and the operation is repeated, so that a plurality of through holes which are spirally distributed are machined in the tungsten alloy pipe workpiece.

The drilling assembly is any device capable of drilling the tungsten alloy pipe, and is matched with a pusher for pushing the drill bit to move.

According to the scheme, the guide holes are formed in the first placing seat, so that the drill bit is difficult to deviate when being in contact with the tungsten alloy pipe, the drill bit cannot shake in the punching process, so that the drill bit can instantly drill a small hole in the tungsten alloy pipe, meanwhile, the tungsten alloy pipe is tightly pressed through the pressing block, the tungsten alloy pipe is prevented from being larger in vibration amplitude when being drilled, and the drill bit is guaranteed to smoothly drill the tungsten alloy pipe.

Preferably, the mobile station is provided with a second placing seat, the second placing seat is located at the axial side of the first placing seat and is arranged at intervals with the first placing seat, the second placing seat is provided with a V-shaped groove or an arc-shaped groove used for being in contact with the outer wall of the tungsten alloy pipe workpiece, and the first placing seat is provided with a yielding space used for yielding the drill bit.

The second placing seat is provided with a V-shaped groove or an arc groove, so that the tungsten alloy tube can be further positioned and supported, the first placing seat is also provided with a yielding space for the drill bit, the chips can be conveniently discharged, and the drilling efficiency of the drill bit is improved while the tungsten alloy tube is ensured not to deviate.

Preferably, the drilling assembly comprises a driver and at least two drill bits, and the driver drives the at least two drill bits to synchronously rotate.

One driver can drive at least two drills to rotate, so that space can be saved, and at least two drills can improve drilling efficiency. Wherein, synchronous rotation of the drill bit can be realized through transmission of gears.

Preferably, the moving table is provided with a sliding rail extending along the drilling direction of the drill bit, the drilling assembly is slidingly matched with the sliding rail, the drill bit of the drilling assembly is matched with a pusher, and the drill bit of the drilling assembly can move close to or far away from the tungsten alloy pipe workpiece under the action of the pusher.

The pushing force is applied by the pusher, and the sliding rail guides the drilling assembly, so that the drill bit drills into the tungsten alloy pipe workpiece.

Preferably, the moving table is slidably arranged on the base, the base extends along the axial direction of the chuck, and a sliding groove matched with each other and a sliding protrusion extending into the sliding groove and slidably matched with the sliding groove are arranged between the base and the moving table.

Through the sliding fit of the sliding groove and the sliding protrusion, the moving table cannot deviate when moving along the axial direction of the chuck.

Preferably, the base is provided with a screw extending in the axial direction of the chuck, the moving table is provided with a fitting portion screwed with the screw, and the screw is driven by a motor.

The rotation of the screw is realized through the motor, and the movement of the mobile station is realized through the rotation of the screw, wherein the motor can be a servo motor, so that the movement distance of the mobile station can be accurately controlled.

The clamping device is characterized by further comprising a feeding table arranged on one side of the chuck, clamping of the tungsten alloy tube workpiece is achieved between the feeding table and the chuck through clamping jaws, the clamping jaws are provided with moving mechanisms, feeding and discharging of the tungsten alloy tube workpiece are achieved under the action of the moving mechanisms, the clamping jaws comprise a first clamping jaw and a second clamping jaw, and the first clamping jaw and the second clamping jaw are vertically arranged and can be mutually changed in position.

The first clamping jaw and the second clamping jaw can finish feeding of one clamping jaw, and one clamping jaw discharges materials, so that the working efficiency is higher. The clamping of the first clamping jaw and the second clamping jaw can be achieved through a clamping cylinder, and the position exchange of the first clamping jaw and the second clamping jaw can be achieved through a rotating cylinder.

The utility model has the advantage of being capable of drilling the tungsten alloy pipe.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is a schematic diagram of a structure between a mobile station and a base.

Fig. 4 is a schematic structural view of the clamping jaw.

Fig. 5 is a schematic view of the structure of a tungsten alloy tube when it is processed.

Fig. 6 is a schematic view of the structure of fig. 5 with the tungsten alloy tube and chuck removed.

Fig. 7 is a schematic view of the structure of a tungsten alloy pipe when being processed.

The drawing numbers are 1, a loading table, 2, a moving assembly, 21, clamping jaws, 211, a first clamping jaw, 212, a second clamping jaw, 22, a rotating piece, 3, a working box, 31, a base, 311, sliding protrusions, 32, a chuck, 4, a moving table, 41, a screw, 5, a drill bit, 51, a driver, 511, a sliding rail, 521, a driving gear, 522, a driven gear, 6, a pusher, 7, a pressing block, 71, an air cylinder, 81, a first placing seat, 811, a positioning groove, 812, a yielding space, 82, a second placing seat, 821, a V-shaped groove, 83, a guide hole, 9, a supporting plate, 100 and a tungsten alloy pipe.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

As shown in fig. 1, the embodiment discloses a tungsten alloy tube spiral hole machining device, which comprises a feeding table 1, wherein the feeding table 1 is used for placing a tungsten alloy tube 100 before machining and placing the tungsten alloy tube 100 after machining, working boxes 3 are arranged on the left side and the right side of the feeding table 1, and the tungsten alloy tube 100 is transferred and placed between the feeding table 1 and the two working boxes 3 through a moving assembly 2 and a clamping jaw 21. The moving assembly 2 is any truss assembly which can be matched with the clamping jaw 21 to enable the clamping jaw 21 to move up, down, left, right, front and back.

As shown in fig. 4, the clamping jaw 21 comprises a first clamping jaw 211 and a second clamping jaw 212 which are arranged vertically, an L-shaped rotating member 22 is arranged between the first clamping jaw 211 and the second clamping jaw 212, and the rotating member 22 realizes the position exchange of the first clamping jaw 211 and the second clamping jaw 212 through a rotating cylinder (not shown in the drawing). The first clamping jaw 211 and the second clamping jaw 212 are clamped or unclamped by a clamping cylinder (not shown). Diamond-shaped openings are provided at the ends of first clamping jaw 211 and second clamping jaw 212 to facilitate clamping of tungsten alloy tube 100.

As shown in fig. 2 and 3, the work box 3 is provided therein with a chuck 32 and a base 31, the base 31 extends along an axial direction of the chuck 32, and the chuck 32 is any conventional three-jaw chuck capable of clamping the tungsten alloy tube 100. The base 31 is slidably provided with a moving table 4, the moving table 4 is provided with a chute extending in the axial direction of the chuck 32, the base 31 is provided with a sliding protrusion 311 extending in the axial direction of the chuck 32, and the sliding protrusion 311 has a triangular cross-sectional shape and is slidably fitted with the chute. A screw 41 extending along the axial direction of the chuck 32 is arranged below the moving table 4, a matching part in threaded fit with the screw 41 is arranged at the lower end of the moving table 4, a motor (not shown) is also arranged in the working box, and the output end of the motor is matched with the screw 41 to drive the screw 41 to rotate.

As shown in fig. 2, 3 and 5 to 7, two first placing seats 81 and two second placing seats 82 are provided on the mobile station 4, and the two first placing seats 81 are located between the two second placing seats 82. The first placing seat 81 and the second placing seat 82 are both arranged at intervals along the axial direction of the chuck 32, the second placing seat 82 is provided with a V-shaped groove 821 which is opened upward and penetrates axially along the chuck 32, and when the tungsten alloy pipe 100 is clamped by the chuck 32, the outer wall of the tungsten alloy pipe 100 is in contact with the groove wall of the V-shaped groove 821. Each second placing seat 82 is provided with a pressing block 7, the pressing blocks 7 can press the tungsten alloy pipe 100, and the pressing blocks 7 realize lifting movement through the air cylinders 71. The first placing seat 81 is provided with a positioning groove 811 opened upward, and the positioning groove 811 is an arc-shaped groove and can be in contact with the outer wall of the tungsten alloy pipe 100. One side of two first placing seats 81 is provided with a drilling assembly, the drilling assembly comprises two drill bits 5, the side wall of the first placing seat 81 is provided with a guide hole 83 for the drill bits 5 to pass through, and the first placing seat 81 is also provided with a yielding space 812 for yielding the drill bits. The movable table 4 is provided with a driver 51, the driver 51 is a motor, an output end of the driver 51 is connected with a driving gear 521, the driving gear 521 is meshed with two driven gears 522, and the two driven gears 522 respectively drive one drill bit 5 to rotate. The drilling assembly is arranged on the supporting plate 9, the supporting plate 9 is fixed on the movable table 4, the supporting plate 9 is provided with a sliding rail 511 extending along the drilling direction of the drill bit 5, the drilling assembly is slidingly matched on the sliding rail 511, the supporting plate 9 is provided with a pusher 6, the pusher 6 is an air cylinder, and the driver 51 moves under the action of the pusher 6 to realize drilling of the drill bit 5.

In actual use, the clamping jaw 21 clamps the tungsten alloy pipe 100 on the loading table 1, the tungsten alloy pipe 100 is moved into the placing box 3 by the moving assembly, the tungsten alloy rod 100 is placed on the first placing seat 81 and the second placing seat 82, and the tungsten alloy pipe 100 is moved along the axial direction of the chuck 32, so that the chuck 32 can clamp the tungsten alloy pipe 100. Then, the clamping jaw 21 is far away from the first placing seat 81 and the second placing seat 82, the pressing block 7 presses down to press the tungsten alloy pipe 100, the driver 51 drives the drill bit 5 to rotate, the pusher 6 pushes the drilling assembly to move, the drill bit 5 moves in the guide hole 83, and the drill bit 5 drills the tungsten alloy pipe 100. After the drilling process is completed, the drill bit 5 is withdrawn from the drill hole, the pressing block 7 loosens the tungsten alloy pipe 100, the moving table 4 moves a small distance along the axial direction of the chuck 32, the chuck 32 rotates the angle of the tungsten alloy pipe 100 to adjust the drilling position of the tungsten alloy pipe, then the pressing block 7 is pressed again, the drill bit 5 is drilled again, and the above operation is repeated, so that a plurality of through holes which are spirally distributed are machined in the tungsten alloy pipe 100.

Claims

1. The device for machining the spiral holes of the tungsten alloy pipes comprises a chuck, a drilling assembly and a plurality of first placing seats, and is characterized in that the first placing seats and the drilling assembly are arranged on a moving table, the moving table is located on the axial side of the chuck, the moving table can move along the axial direction of the chuck, the first placing seats are provided with positioning grooves which are upwards open, the first placing seats are located on the axial side of the chuck, the drilling assembly comprises a drill bit, the drill bit is located on one side of the first placing seats, guide holes for the drill bit to pass through are formed in the first placing seats, the guide holes are communicated with the positioning grooves, and pressing blocks are arranged above the first placing seats and are used for pressing tungsten alloy pipe workpieces.

2. The device for machining the spiral hole of the tungsten alloy pipe according to claim 1, wherein the moving table is provided with a second placing seat, the second placing seat is located on the axial side of the first placing seat and is arranged at intervals with the first placing seat, the second placing seat is provided with a V-shaped groove or an arc-shaped groove for being in contact with the outer wall of the tungsten alloy pipe workpiece, and the first placing seat is provided with a yielding space for yielding a drill bit.

3. The device for machining spiral holes in a tungsten alloy pipe according to claim 1, wherein the drilling assembly comprises a driver and at least two drill bits, and the driver drives the at least two drill bits to rotate synchronously.

4. The device for machining the spiral holes of the tungsten alloy pipe according to claim 1, wherein the moving table is provided with a sliding rail extending along the drilling direction of the drill bit, the drilling assembly is slidably matched with the sliding rail, the drilling assembly is matched with a pusher, and the drill bit of the drilling assembly can move close to or away from the tungsten alloy pipe workpiece under the action of the pusher.

5. The device for machining spiral holes in tungsten alloy pipes according to any one of claims 1 to 4, wherein the movable table is slidably disposed on a base, the base extends in an axial direction of the chuck, and a sliding groove and a sliding protrusion are disposed between the base and the movable table, the sliding groove and the sliding protrusion extending into the sliding groove and slidably engaged with the sliding groove.

6. The device for machining a spiral hole in a tungsten alloy pipe according to claim 5, wherein the base is provided with a screw extending in an axial direction of the chuck, the moving table is provided with a fitting portion to be screwed with the screw, and the screw is driven by a motor.

7. The device for machining the spiral hole of the tungsten alloy pipe according to any one of claims 1 to 4, further comprising a feeding table arranged on one side of the chuck, wherein clamping of the tungsten alloy pipe workpiece is achieved between the feeding table and the chuck through clamping jaws, the clamping jaws are provided with moving mechanisms, feeding and discharging of the tungsten alloy pipe workpiece are achieved under the action of the moving mechanisms, and the clamping jaws comprise a first clamping jaw and a second clamping jaw which are vertically arranged and can be mutually changed in position.