CN217394429U

CN217394429U - Turnover knife sleeve

Info

Publication number: CN217394429U
Application number: CN202221613166.7U
Authority: CN
Inventors: 郭志伟; 李虎呈; 王子义; 韩银平
Original assignee: Beijing Jingdiao Group Co Ltd
Current assignee: Beijing Jingdiao Group Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-09
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to a upset knife pouch aims at providing a simple structure, space occupy for a short time, maintain convenient, application range wide, have the upset knife pouch structure of preventing falling the sword function, can effectively guarantee the tool changing precision to and reliability and security. The sleeve comprises a sleeve body, a spring limiting seat, an axial spring, a steel ball seat, a steel ball and a locking ejector rod, wherein the spring limiting seat and the steel ball seat are both arranged in an inner hole of the sleeve body and are arranged side by side along the axial direction of the sleeve body; a plurality of steel ball holes are uniformly distributed on the steel ball seat along the circumferential direction, and a steel ball is arranged in each steel ball hole; the locking ejector rod is arranged in the steel ball seat, an axial spring is arranged between the locking ejector rod and the spring limiting seat, and the locking ejector rod can eject the steel balls outwards from the inner side of the steel ball seat and clamp the cutter handle under the action of the axial spring; and the spring limiting seat is provided with a locking limiting block capable of moving along the radial direction, and the locking limiting block can move to the upper end of the locking ejector rod to axially lock the locking ejector rod when the tool handle is clamped.

Description

Turnover knife sleeve

Technical Field

The utility model relates to a digit control machine tool magazine field, in particular to upset knife pouch.

Background

The tool magazine system is a device for providing tool storage and tool changing requirements in an automatic machining process, and comprises an automatic tool changing mechanism capable of executing tool changing actions and a tool magazine capable of storing a plurality of tools. Most of tool holders in the existing tool magazine structure are installed by tool sleeves, and in order to turn over and transfer the tool in some tool magazine designs, the tool sleeves need to be designed into a turnable structure, namely, the tool sleeves are turned over. The existing turnover tool case is influenced by the structural layout, and often occupies a large space, so that the space utilization rate of the whole structure of the tool magazine is influenced; and most upset tool holders do not take handle of a knife anti-falling measure yet, and in the tool holder upset in-process, the handle of a knife receives factors such as dead weight, external force influence easily and produces the risk that becomes flexible even drops, makes the tool changing precision lose lightly, then the processing security problem appears seriously. Although the partial turnover knife sleeve is also provided with the anti-falling knife structure, the structure is complex, the maintenance is inconvenient, and the application range is narrow.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a simple structure, space occupy for a short time, maintain convenient, application range wide, have the upset knife pouch structure of preventing falling the sword function, can effectively guarantee the tool changing precision to and reliability and security.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a turnover cutter sleeve comprises a sleeve body, a spring limiting seat, an axial spring, a steel ball seat, a steel ball and a locking ejector rod, wherein the spring limiting seat and the steel ball seat are both arranged in an inner hole of the sleeve body and are arranged side by side along the axial direction of the sleeve body; a plurality of steel ball holes are uniformly distributed on the steel ball seat along the circumferential direction, and a steel ball is arranged in each steel ball hole; the locking ejector rod is arranged in the steel ball seat, an axial spring is arranged between the locking ejector rod and the spring limiting seat, and the locking ejector rod can eject the steel balls outwards from the inner side of the steel ball seat and clamp the cutter handle under the action of the axial spring; and the spring limiting seat is provided with a locking limiting block capable of moving along the radial direction, and the locking limiting block can move to the upper end of the locking ejector rod to axially lock the locking ejector rod when the tool shank is clamped.

According to the turnover knife pouch, the spring limiting seat is provided with the radial hole, one side of the pouch body is provided with the radial mounting hole, and the locking limiting block penetrates into the radial mounting hole from the outside of the pouch body and is inserted into the radial hole and can move along the radial hole; an axial hole communicated with the radial hole is formed in the spring limiting seat, the upper end of the locking ejector rod is located in the axial hole, and the locking limiting block can axially limit the locking ejector rod at the top of the axial hole; the locking limiting block is provided with a groove, the groove opening can be aligned with the axial hole through the radial movement of the locking limiting block, and the locking ejector rod can penetrate out of the axial hole upwards.

In the turnover knife pouch, the locking limiting block is connected with the pouch body through the cylindrical pin, the locking limiting block is provided with the kidney-shaped hole, and the cylindrical pin penetrates through the kidney-shaped hole and is fixed in the radial mounting hole.

According to the turnover knife pouch, the bottom of the radial hole is provided with the radial spring, and the locking limiting block moves outwards under the elastic force action of the radial spring.

Above-mentioned upset knife pouch, still install push-and-pull seat and trip shaft on the cover body, push-and-pull seat and trip shaft set up respectively in the relative both sides of the external portion of cover, and external force acts on and can drive the cover body and overturn around the trip shaft on the push-and-pull seat.

Above-mentioned upset knife pouch, the trip shaft with radial mounting hole is located the homonymy of the cover body, and accessible outside holding surface or external force act on the tip of locking the stopper and promote the locking stopper and inwards move in the cover body upset in-process.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model skillfully realizes the falling-proof function of the knife handle by utilizing the matching of the locking limiting block with the waist-shaped hole and the groove, the cylindrical pin, the radial spring, the axial spring and the locking ejector rod, improves the knife changing precision, and has simple structure, convenient maintenance, high reliability and safety; the push-pull seat and the turnover shaft are respectively arranged on two opposite sides above the sleeve body, so that the space occupation is small, and the space utilization rate is high; and the utility model discloses can adapt to multiple handle of a knife type, application scope is extensive.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is the utility model discloses locking stopper relies on the fixed stay to move the schematic diagram inwards.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

With reference to fig. 1 and 2, the utility model discloses a turning tool sleeve, including the cover body 1, push-and-pull seat 2, spacing seat 3 of spring, trip shaft 4, locking stopper 5, cylindric lock 6, radial spring 9, locking ejector pin 10, axial spring 11, steel ball seat 12 and steel ball 13.

The push-pull seat 2 and the turnover shaft 4 are respectively arranged at two opposite sides of the upper end of the sleeve body 1, and external force acts on the push-pull seat 2 to drive the sleeve body 1 to turn around the turnover shaft 4. The spring limiting seat 3 and the steel ball seat 12 are sequentially arranged in the inner hole of the sleeve body 1 from top to bottom, steel ball holes are uniformly distributed on the steel ball seat 12 along the circumferential direction, and a steel ball 13 is arranged in each steel ball hole; the locking ejector rod 10 is arranged in the steel ball seat 12, an axial spring 11 is arranged between the locking ejector rod 10 and the spring limiting seat 3, and the locking ejector rod 10 can eject the steel ball 13 from the inner side to the outer side of the steel ball seat and clamp the cutter handle under the action of the axial spring 11. The spring limiting seat 3 is provided with a radial hole and an axial hole communicated with the radial hole, the upper end of the locking ejector rod 10 is positioned in the axial hole when the tool shank is clamped, and the locking ejector rod 10 moves upwards into the radial hole under the action of tool loosening force when the tool shank is loosened.

For preventing to press from both sides when pressing from both sides tight handle of a knife handle and receive influence such as gravity and fall the sword, be provided with locking stopper 5 and radial spring 9 in the radial hole of the spacing seat of spring 3, be provided with radial mounting hole in the one side that the cover body 1 is located trip shaft 4 simultaneously, locking stopper 5 penetrates radial mounting hole and inserts in the radial hole from the outside of the cover body 1, radial spring 9 sets up in the bottom in radial hole, both ends act on respectively on locking stopper 5 and the spacing seat of spring 3. The locking limiting block 5 is connected with the sleeve body 1 through a cylindrical pin 6, a kidney-shaped hole is formed in the locking limiting block 5, and the cylindrical pin 6 penetrates through the kidney-shaped hole and is fixed in a radial mounting hole of the sleeve body 1. The locking limiting block 5 is further provided with a groove 8 with a downward opening, under the action of the radial spring 9, the locking limiting block 5 is in a state of outwards pushing out the sleeve body 1, the groove 8 is not positioned right above the locking ejector rod 10, the upper end of an axial hole of the spring limiting seat 3 is sealed by the bottom surface of the locking limiting block 5, and the locking ejector rod 10 is limited to move upwards, so that the knife handle is always kept in a clamping state and does not fall off. When the tool needs to be turned over to send and take out, external force can be used or the locking limiting block 5 is pushed to move inwards along the radial hole and compress the radial spring 9 by means of the fixed supporting surface of the tool magazine from the outer side end, after the tool is turned over in place, the groove 8 of the locking limiting block 5 is aligned with the axial hole of the spring limiting seat 3, the locking ejector rod 10 can penetrate out upwards from the axial hole under the action of the external force of the tool shank, and therefore the tool can be detached or replaced. Fig. 3 shows that the locking limit block 5 moves inwards by means of the fixed supporting surface of the tool magazine, that is, the sleeve body 1 rotates along the turning shaft 4, the locking limit block 5 contacts with the fixed supporting surface 14, and the locking limit block 5 is gradually pressed inwards along with the reduction of the angle between the sleeve body 1 and the fixed supporting surface 14, so as to move radially.

Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can make various modifications according to the principle of the present invention. Therefore, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.

Claims

1. A turnover cutter sleeve comprises a sleeve body, a spring limiting seat, an axial spring, a steel ball seat, a steel ball and a locking ejector rod, wherein the spring limiting seat and the steel ball seat are both arranged in an inner hole of the sleeve body and are arranged side by side along the axial direction of the sleeve body; a plurality of steel ball holes are uniformly distributed on the steel ball seat along the circumferential direction, and a steel ball is arranged in each steel ball hole; the locking ejector rod is arranged in the steel ball seat, an axial spring is arranged between the locking ejector rod and the spring limiting seat, and the locking ejector rod can eject the steel balls outwards from the inner side of the steel ball seat and clamp the cutter handle under the action of the axial spring; the tool holder locking device is characterized in that a locking limiting block capable of moving along the radial direction is arranged on the spring limiting seat, and the locking limiting block can move to the upper end of the locking ejector rod to axially lock the locking ejector rod when the tool holder is clamped.

2. The turning tool sleeve as claimed in claim 1, wherein the spring limiting seat is provided with a radial hole, one side of the sleeve body is provided with a radial mounting hole, and the locking limiting block penetrates through the radial mounting hole from the outer side of the sleeve body, is inserted into the radial hole and can move along the radial hole; the spring limiting seat is provided with an axial hole communicated with the radial hole, the upper end of the locking ejector rod is positioned in the axial hole, and the locking limiting block can axially limit the locking ejector rod at the top of the axial hole; the locking limiting block is provided with a groove, the groove opening can be aligned with the axial hole through the radial movement of the locking limiting block, and the locking ejector rod can penetrate out of the axial hole upwards.

3. The turning tool sleeve as claimed in claim 2, wherein the locking stopper is connected to the sleeve body by a cylindrical pin, and a kidney-shaped hole is formed in the locking stopper, and the cylindrical pin passes through the kidney-shaped hole and is fixed in the radial mounting hole.

4. The turning tool sleeve according to claim 3, wherein a radial spring is arranged at the bottom of the radial hole, and the locking limiting block moves outwards under the elastic force of the radial spring.

5. The turning knife sheath of claim 4, wherein the sheath body is further provided with a push-pull seat and a turning shaft, the push-pull seat and the turning shaft are respectively disposed on two opposite sides of the exterior of the sheath body, and an external force is applied to the push-pull seat to turn the sheath body around the turning shaft.

6. The turning knife pouch according to claim 5, wherein the turning shaft and the radial mounting holes are located on the same side of the pouch body, and the locking stopper can be pushed to move inwards by an external supporting surface or an external force acting on the end of the locking stopper during turning of the pouch body.