CN114952371A

CN114952371A - Rotating tool apron with retractable and replaceable tool

Info

Publication number: CN114952371A
Application number: CN202210825147.9A
Authority: CN
Inventors: 毛国伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-08-30

Abstract

The invention discloses a rotary tool apron with a retractable and replaceable tool, which belongs to the technical field of parts of numerical control machines and comprises a rotary seat, wherein the bottom surface of the rotary seat is fixedly connected with a tool seat, a plurality of placing cavities are formed in the rotary seat, a steering mechanism is movably connected in the placing cavities, the steering mechanism comprises a lifting seat in sliding connection with the placing cavities, a rotary block is rotatably connected in the lifting seat, the rotary block is fixedly connected with a clamping mechanism through a connecting rod, tools are connected in the clamping mechanism, one tool is in inserting fit with the tool seat, the rest tools are arranged in the placing cavities, and the top surface of the rotary seat is connected with a limiting mechanism. According to the tool storage device, the lifting seat is driven to slide downwards, the connecting rod is rotated to enable the ejector rod in the rotating block to be abutted against the groove on the inner upper side of the lifting seat, so that the tool can be driven to rotate into the storage cavity, the tool is stored and protected through the storage cavity, the protection performance is good, the operation is simple, and the use is convenient.

Description

Rotating tool apron with retractable and replaceable tool

Technical Field

The invention relates to the technical field of parts of numerical control machine tools, in particular to a rotary tool apron with a retractable and replaceable tool.

Background

The digit control machine tool rotates through the cutter of installing on the knife rest and carries out lathe work to the work piece, when putting between the work piece of putting between on the digit control machine tool, the cutter is along with equipment exposes outside, easy cutter and workman cause danger such as the damage of colliding with, prior art publication is CN 111730372A's patent document provides the collapsible digit control machine tool of cutter, the device drives horizontal mount through the connection of connecting the rotating turret and rotates at the lower terminal surface of fixed support board, make the knife rest can drive the cutter and rotate to the peak, can protect knife rest and cutter through the side backplate of two fixed state this moment, avoid causing the condition emergence of bumping the cutter when carrying out the clamping to the work piece.

Although the device has more beneficial effects, the following problems still exist: the device is comparatively simple to the protectiveness of cutter, and the cutter easily takes place to rock through connecting the rotating turret when high-speed the rotation, leads to influencing work piece processingquality and even damages the cutter, poor stability. In addition, although the patent technologies such as CN209578941U and CN215999554U can retract the tool and stabilize the tool at one position, the tool is limited to one position, and the working position cannot be adjusted. In view of this, we propose a rotary tool holder with a tool that can be changed in a retractable manner.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a rotary tool apron with a retractable and replaceable tool, which can stably accommodate unused tools and improve the stability of the rotary tool apron during rotation through a balance weight plate so as to solve the problems in the background technology.

2. Technical scheme

The utility model provides a rotation blade holder of collapsible change of cutter, includes and rotates the seat, it is fixed with the cutter saddle to rotate the connection of seat bottom surface, it has a plurality of chambeies of placing to have seted up on the rotation seat, it has steering mechanism to place intracavity swing joint, steering mechanism includes and places chamber sliding connection's seat that goes up and down, it is connected with the turning block to go up and down the seat internal rotation, the turning block passes through the connecting rod and connects and is fixed with fixture, the fixture in-connection has the cutter, one of them the cooperation of pegging graft of cutter and cutter saddle, all the rest the intracavity is all located to place to the cutter, it is connected with stop gear to rotate the seat top surface, stop gear includes and rotates the seat top surface lift slip and pivoted go-between relatively, go-between outer wall connection is fixed with a plurality of limiting plates, just the go-between outer wall still rotates and is connected with the counterweight plate.

Preferably, the lifting seat is in sliding connection with a sliding groove formed in the placing cavity, and the inner side of the lifting seat is connected with the placing cavity through a spring A.

Preferably, two ejector rods are connected to the rotating block in a sliding mode and connected through a spring B, a plurality of grooves are formed in the upper end and the lower end of the inner wall of the lifting seat, and the end portions of the ejector rods are in butt fit with the grooves.

Preferably, fixture includes two grip blocks A, the grip block A outside is equipped with grip block B, all connects through bolt and nut between two grip blocks A and between two grip blocks B, two grip block A and cutter closely laminate, one of them grip block B is connected with the connecting rod.

Preferably, the outer wall of the clamping plate A is fixedly connected with a rotating groove, the inner wall of the clamping plate B is connected with a plurality of balls in a rolling mode, and the balls are in rolling contact with the rotating groove.

Preferably, the limiting mechanism comprises a threaded ring fixedly connected with the rotating seat, the threaded ring is in threaded connection with a rotating ring, a hand wheel is fixedly connected to the outer side of the rotating ring, and a connecting ring is rotatably connected to the bottom surface of the rotating ring.

Preferably, the inner diameter of the connection ring is larger than the outer diameter of the threaded ring.

Preferably, the limiting plate is matched with a cutter arranged in the placing cavity in an abutting mode.

Preferably, at least one side of the weight plate is fixedly connected with a plurality of clamping blocks, the inner wall of the placing cavity is provided with clamping grooves matched with the clamping blocks, and the clamping blocks are in sliding fit with the clamping grooves.

Preferably, the clamping groove is of an L-shaped structure.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. according to the tool storage device, the lifting seat is driven to slide downwards, the connecting rod is rotated to enable the ejector rod in the rotating block to be abutted against the groove on the inner upper side of the lifting seat, so that the tool can be driven to rotate into the storage cavity, the tool is stored and protected through the storage cavity, the protection performance is good, the operation is simple, and the use is convenient.

2. According to the invention, different cutters are connected in the plurality of clamping mechanisms, and the steering mechanism can drive the cutters to be in plug-in fit with the cutter seat, so that different cutters can be rapidly cut, the machining efficiency of a workpiece is improved, and meanwhile, the spring A pulls the lifting seat to rise, so that the cutters and the cutter seat are stably connected, and the stability during clamping is improved.

3. According to the invention, the rotating ring is driven to descend by rotating the hand wheel, so that the limiting plate is arranged below the upper part of the placing cavity and limits the cutter in the placing cavity, the cutter can be prevented from being driven to shake by the centrifugal force generated by the rotating seat during rotation, and the protection performance of the cutter is further improved.

4. According to the invention, the balance weight plate is arranged in the placing cavity without the cutter, and after the clamping block is clamped and matched with the clamping groove, the weight on the periphery of the rotating seat is uniformly distributed, so that the stability of the rotating seat during rotation is improved, and the quality of workpiece processing is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the limiting mechanism, the rotating base and the cutter of the present invention;

FIG. 3 is a schematic view of the rotary base structure of the present invention;

FIG. 4 is a schematic view of the structure of the cutting tool and the limiting plate of the present invention;

FIG. 5 is a disassembled schematic view of the steering mechanism of the present invention;

FIG. 6 is a schematic disassembled view of the clamping mechanism of the present invention;

FIG. 7 is a schematic disassembled view of the spacing mechanism of the present invention;

the reference numbers in the figures illustrate: 1. a numerical control machine tool; 2. a rotating shaft; 3. a rotating seat; 4. a tool holder; 5. a placement chamber; 501. a chute; 502. a card slot; 6. a steering mechanism; 601. a lifting seat; 602. rotating the block; 603. a spring A; 604. a top rod; 605. a spring B; 606. a groove; 7. a connecting rod; 8. a clamping mechanism; 801. a clamping plate A; 802. a clamping plate B; 803. a rotating groove; 804. a ball bearing; 9. a cutter; 10. a limiting mechanism; 1001. a threaded ring; 1002. a rotating ring; 1003. a hand wheel; 1004. a connecting ring; 1005. a limiting plate; 1006. a weight plate; 1007. and (7) clamping blocks.

Detailed Description

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a rotation blade holder of collapsible change of cutter, including rotating seat 3, as shown in fig. 1, it connects on digit control machine tool 1 through pivot 2 to rotate seat 3, it is fixed with cutter seat 4 to rotate 3 bottom surfaces of seat to connect, it evenly has seted up a plurality of chambeies 5 of placing on the seat 3 to rotate, it has steering mechanism 6 to place intracavity 5 swing joint, steering mechanism 6 includes and places 5 sliding connection's in chamber lift seat 601, the rotation is connected with turning block 602 in the seat 601 that goes up and down, turning block 602 passes through connecting rod 7 to be connected and is fixed with fixture 8, fixture 8 in-connection has cutter 9, it is connected with stop gear 10 to rotate 3 top surfaces of seat.

In this technical scheme, all can place cutter 9 in a plurality of chambeies 5 of placing for cutter seat 4 can connect different cutter 9 and carry out the processing that the process is complicated to the work piece, drives lift seat 601 and descends and make cutter 9 and cutter seat 4 be connected the cancellation, through the normal running fit of turning block 602 and lift seat 601, can drive cutter 9 and rotate to placing in the chamber 5, stop gear 10 can improve the protectiveness of placing cutter 9 in the chamber 5 and the stability of rotating seat 3.

Specifically, as shown in fig. 4 and 5, the lifting base 601 is slidably connected to a sliding groove 501 formed in the placing cavity 5, and the inner side of the lifting base 601 is connected to the placing cavity 5 through a spring a 603.

In the technical scheme, when the lifting seat 601 is located at the lower portion of the sliding groove 501, the connected cutter 9 can be driven to be separated from the cutter seat 4, and the spring a603 contracts to drive the lifting seat 601 to be lifted to the upper portion of the sliding groove 501, so that the connection stability of the cutter 9 and the cutter seat 4 is improved.

Further, as shown in fig. 5, two push rods 604 are slidably connected in the rotating block 602, the two push rods 604 are connected through a spring B605, a plurality of grooves 606 are formed in the upper end and the lower end of the inner wall of the lifting seat 601, and the end portions of the push rods 604 are in abutting fit with the grooves 606.

In the technical scheme, when the spring B605 drives the top rod 604 to abut against the groove 606, the rotating block 602 is stably connected with the lifting seat 601, and when the external force in the rotating direction on the rotating block 602 is greater than the elastic force of the spring B605, the spring B605 drives the top rod 604 to contract, so that the rotating block 602 can rotate.

Still further, as shown in fig. 6, the clamping mechanism 8 includes two clamping plates a801, clamping plates B802 are disposed on outer sides of the clamping plates a801, the two clamping plates a801 and the two clamping plates B802 are connected by bolts and nuts, the two clamping plates a801 are tightly attached to the cutter 9, and one of the clamping plates B802 is connected to the connecting rod 7.

In the technical scheme, the two clamping plates A801 are matched to clamp the tool 9, and meanwhile, the two clamping plates A801 can rotate in the two clamping plates B802, so that the tool 9 can be conveniently connected with the tool seat 4.

Furthermore, a rotating groove 803 is fixedly connected to the outer wall of the clamping plate a801, a plurality of balls 804 are connected to the inner wall of the clamping plate B802 in a rolling manner, and the balls 804 are in rolling contact with the rotating groove 803.

In this solution, the balls 804 cooperate with the rotation grooves 803 to make the rotation of the tool 9 smoother, and reduce the wear of the clamping mechanism 8.

Furthermore, one of the cutters 9 is matched with the cutter seat 4 in an inserting manner, and the other cutters 9 are arranged in the placing cavity 5.

In the technical scheme, the plurality of cutters 9 are arranged, so that cutters of different styles can be quickly switched, the time for replacing the cutters 9 is saved, and the machining efficiency of workpieces is improved.

Furthermore, as shown in fig. 7, the limiting mechanism 10 includes a threaded ring 1001 fixedly connected to the rotating base 3, a rotating ring 1002 is threadedly connected to the threaded ring 1001, a handwheel 1003 is fixedly connected to an outer side of the rotating ring 1002, a connecting ring 1004 is rotatably connected to a bottom surface of the rotating ring 1002, a plurality of limiting plates 1005 are uniformly connected and fixed to an outer wall of the connecting ring 1004, and a weight plate 1006 is also rotatably connected to an outer wall of the connecting ring 1004.

In this kind of technical scheme, rotate the hand wheel 1003 and can drive the rotation ring 1002 and go up and down on the screw ring 1001 for driving limiting plate 1005 and the weight plate 1006 on the connecting ring 1004 and remove, connect the ring 1004 and can rotate relative to rotation ring 1002, make the weight plate 1006 can rotate to the chamber 5 of placing that the use cutter corresponds, in order to compensate the weight disappearance after the use is unscrewed to cutter 9, make the weight distribution of rotating the blade holder tend to evenly, than ensure pivoted stability.

Further, the inner diameter of the connection ring 1004 is larger than the outer diameter of the threaded ring 1001.

In this embodiment, the connection ring 1004 is not directly connected to the threaded ring 1001, and the connection ring 1004 is moved synchronously by the rotation ring 1002.

Further, the stopper plate 1005 is fitted in abutment with the cutter 9 provided in the placing chamber 5.

In the technical scheme, when the connecting ring 1004 descends, the limiting plate 1005 is driven to descend into the upper end of the placing cavity 5, the limiting plate 1005 can limit the cutter 9, the cutter 9 is prevented from shaking, and the protection performance is improved.

In addition, as shown in fig. 3 and fig. 7, a plurality of clamping blocks 1007 are fixedly connected to two sides of the counterweight plate 1006, a clamping groove 502 matched with the clamping blocks 1007 is formed in the inner wall of the placing cavity 5, the clamping blocks 1007 are in sliding fit with the clamping grooves 502, and the clamping grooves 502 are in an L-shaped structure.

In this kind of technical scheme, weight plate 1006 and the chamber 5 joint of placing that does not have cutter 9 for the periphery weight of rotating seat 3 is evenly distributed, ensures to rotate seat 3 and keeps stability when rotating, improves the quality of work piece processing.

When a required workpiece needs to be placed on the numerical control machine tool 1, the rotating hand wheel 1003 drives the limiting plate 1005 and the counterweight plate 1006 on the connecting ring 1004 to ascend, the cutter 9 connected with the cutter seat 4 is pulled down to separate the cutter 9 from the cutter seat 4, at this time, the ascending and descending seat 601 descends in the chute 501, the cutter 9 rotates the cutter 9, the cutter 9 drives the rotating block 602 to rotate, the ejector rod 604 is abutted with the groove 606 on the lower side after being canceled, so that the current cutter 9 rotates into the placing cavity 5, the connecting ring 1004 descends by reversely rotating the hand wheel 1003, the limiting plate 1005 limits the cutter 9 in the placing cavity 5, then the required workpiece can be placed on the numerical control machine tool 1, and the situation that the cutter 9 is collided and further the cutter 9 is damaged when the workpiece is placed and installed can be avoided, the cutter 9 has better protection when not in work.

When a workpiece is machined, a needed cutter 9 rotates out of the placing cavity 5 and is clamped with the cutter seat 4, the spring A603 contracts to drive the lifting seat 601 to ascend, the cutter 9 is driven to be stably connected with the cutter seat 4, the counterweight plate 1006 is clamped with the clamping groove 502 through the clamping block 1007, the weight of the rotating seat 3 is uniformly distributed, and the rotating seat 4 is ensured to rotate stably.

Claims

1. The utility model provides a rotation blade holder of collapsible change of cutter, includes and rotates the seat, its characterized in that: the bottom surface of the rotating seat is fixedly connected with a cutter seat, a plurality of placing cavities are arranged on the rotating seat, steering mechanisms are movably connected in the placing cavities,

the steering mechanism comprises a lifting seat which is connected with the placing cavity in a sliding way, a rotating block is connected in the lifting seat in a rotating way,

the rotating block is fixedly connected with a clamping mechanism through a connecting rod,

cutters are connected in the clamping mechanism, one of the cutters is matched with the cutter seat in an inserting way, the other cutters are arranged in the placing cavity,

rotate the seat top surface and be connected with stop gear, stop gear is including rotating seat top surface lift slip and pivoted go-between relatively, go-between outer wall connection is fixed with a plurality of limiting plates, just the go-between outer wall still rotates and is connected with the weight plate.

2. A tool-retractable rotary holder according to claim 1, wherein: the lifting seat is connected with a sliding groove formed in the placing cavity in a sliding mode, and the inner side of the lifting seat is connected with the placing cavity through a spring A.

3. A tool-retractable rotary holder according to claim 1, wherein: two ejector rods are connected in the rotating block in a sliding manner and are connected through a spring B;

a plurality of grooves are formed in the upper end and the lower end of the inner wall of the lifting seat, and the end part of the ejector rod is in butt fit with the grooves.

4. A tool-retractable rotary holder according to claim 1, wherein: the clamping mechanism comprises two clamping plates A, a clamping plate B is arranged on the outer side of each clamping plate A, and the two clamping plates A and the two clamping plates B are connected through bolts and nuts;

the two clamping plates A are tightly attached to the cutter, and one clamping plate B is connected with the connecting rod.

5. The cutting tool retractable rotary holder of claim 4, wherein: the outer wall of the clamping plate A is fixedly connected with a rotating groove, the inner wall of the clamping plate B is connected with a plurality of balls in a rolling mode, and the balls are in rolling contact with the rotating groove.

6. A tool-retractable rotary holder according to claim 1, wherein: the limiting mechanism comprises a threaded ring fixedly connected with the rotating seat, a rotating ring is connected to the threaded ring in a threaded mode, a hand wheel is fixedly connected to the outer side of the rotating ring in a connected mode, and a connecting ring is rotatably connected to the bottom face of the rotating ring.

7. The cutting tool retractable rotary holder of claim 6, wherein: the inner diameter of the connecting ring is larger than the outer diameter of the threaded ring.

8. The cutting tool retractable rotary holder of claim 1, wherein: the limiting plate is matched with a cutter arranged in the placing cavity in an abutting mode.

9. A tool-retractable rotary holder according to claim 1, wherein: the weight plate is characterized in that a plurality of clamping blocks are fixedly connected to at least one side of the weight plate, clamping grooves matched with the clamping blocks are formed in the inner wall of the placing cavity, and the clamping blocks are in sliding fit with the clamping grooves.

10. A tool-retractable rotary holder according to claim 9, wherein: the clamping groove is of an L-shaped structure.