CN210649709U

CN210649709U - Knife loosening and blowing structure of knife beating cylinder

Info

Publication number: CN210649709U
Application number: CN201921330873.3U
Authority: CN
Inventors: 刘秦岭
Original assignee: Shenzhen Hino Precision Technology Co Ltd
Current assignee: Shenzhen Hino Precision Technology Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-02
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a knife loosening and blowing structure of knife beating cylinder, including cylinder, front end housing, rear end cap, piston, main shaft, be provided with main shaft and piston in the cylinder, be provided with the outlet pipe in the main shaft, the piston cover is located on the main shaft, the front end cap closing cap in the lower extreme of cylinder, the rear end cap closing cap in the upper end of cylinder, first air blowing hole has been seted up on the main shaft, first air blowing hole switch-on the outlet pipe, be provided with the second air blowing hole on the front end housing, first air blowing hole with the coaxial setting in second air blowing hole syntropy. The utility model provides a pair of knife loosening and blowing structure of knife breaking cylinder is the main shaft knife breaking cylinder system of being applied to machining center, and compressed air acts on the piston of knife breaking cylinder to produce a thrust, press from both sides tight tool bit through the broach, at the in-process of lower sword, through the mode of blowing, loosen the tool bit and clear up, the tool changing of being convenient for further realizes mechanical device's action.

Description

Knife loosening and blowing structure of knife beating cylinder

Technical Field

The utility model relates to a machining center's main shaft unclamping technical field, concretely relates to unclamping cylinder's loose sword structure of blowing.

Background

The unclamping cylinder is mainly used for main shaft unclamping in automatic or semi-automatic exchange mechanisms of machining center machine tools and numerical control milling machine tools, and can also be used as a clamping device of clamps and other mechanisms. With the development of the machine tool industry and the competition of the machine tool market, the demands of customers on the price and quality of the machine tool are higher and higher, so that the acceptance and acceptance of the customers are important tests for machine tool manufacturers. A machine tool is composed of a number of components, and a better quality machine tool is also carefully manufactured and selected for the quality requirements and selection of these components on the machine tool. Due to the rising manufacturers of machine tools of machining centers, more and more manufacturers of machine tool parts are provided, and for the cutter cylinders, the structures and the styles of the cutter cylinders of the manufacturers are basically the same without substantial differences, so that the structures and the prices of all the machining centers are basically the same, and the machine tools do not have new characteristics.

In the prior art, the arrangement of the cutter loosening and blowing structure of the traditional unclamping cylinder is complex, and the movement process is complicated.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a knife loosening and blowing structure of a knife striking cylinder with simple structure and high blowing efficiency.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

the utility model provides a knife loosening and blowing structure of unclamping cylinder, includes cylinder, front end housing, rear end cap, piston, main shaft, be provided with main shaft and piston in the cylinder, be provided with the outlet pipe in the main shaft, the piston cover is located on the main shaft, the front end housing closing cap in the lower extreme of cylinder, the rear end housing closing cap in the upper end of cylinder, first air blowing hole has been seted up on the main shaft, first air blowing hole switch-on the outlet pipe, be provided with the second hole of blowing on the front end housing, first air blowing hole with the coaxial setting of second air blowing hole syntropy.

The cutter loosening and air blowing structure of the unclamping cylinder is characterized in that the height of the first air blowing hole in the natural state of the unclamping cylinder is higher than that of the second air blowing hole.

The knife loosening and blowing structure of the knife striking cylinder is characterized in that the first blowing hole is communicated with the second blowing hole in a knife loosening state of the knife striking cylinder.

The cutter loosening and air blowing structure of the cutter cylinder is characterized in that a semilunar ring clamping key is arranged on the main shaft, a clamping sleeve is clamped on the semilunar ring clamping key, and the piston is sleeved on the main shaft through the clamping sleeve and the semilunar ring clamping key.

The cutter loosening and blowing structure of the unclamping cylinder is characterized in that the front end cover and the rear end cover are fixedly connected through a connecting screw.

The tool loosening and air blowing structure of the unclamping cylinder is characterized in that the connecting screw is an inner hexagonal screw.

The cutter loosening and blowing structure of the unclamping cylinder is characterized in that the number of the inner hexagonal screws is at least 5.

The cutter loosening and blowing structure of the cutter beating cylinder is characterized in that oil ports are formed in the front end cover and the rear end cover.

The knife loosening and blowing structure of the knife striking cylinder is characterized in that the oil port is communicated with the cylinder barrel.

The cutter loosening and blowing structure of the unclamping cylinder is characterized in that the piston can freely slide between the front end cover and the rear end cover in the cylinder barrel.

Compared with the prior art, the utility model discloses a knife loosening and air blowing structure of a knife striking cylinder, which comprises a cylinder barrel, a front end cover, a rear end cover, a piston and a main shaft, wherein the cylinder barrel is internally provided with the main shaft and the piston, the main shaft is internally provided with a water outlet pipe, the piston is sleeved on the main shaft, the front end cover is covered on the lower end of the cylinder barrel, the rear end cover is covered on the upper end of the cylinder barrel, the main shaft is provided with a first air blowing hole which is communicated with the water outlet pipe, the front end cover is provided with a second air blowing hole, and the first air blowing hole and the second air blowing hole are coaxially arranged in the same direction. Thereby produce a thrust, press from both sides tight tool bit through the scuffing of cylinder, at the in-process of lower sword, through the mode of blowing, loosen and clear up the tool bit, the tool changing of being convenient for further realizes mechanical device's action.

Drawings

Fig. 1 is a perspective view of the unclamping cylinder blowing structure provided by the utility model.

Fig. 2 is a front view of the unclamping cylinder blowing structure provided by the utility model.

Fig. 3 is a side sectional view of the unclamping cylinder blowing structure provided by the utility model.

Fig. 4 is a side sectional view of the unclamping cylinder according to another embodiment of the unclamping air blowing structure of the unclamping cylinder provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be 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.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

The embodiment of the utility model provides a knife loosening blowing structure of unclamping cylinder please refer to 1-fig. 3, including cylinder 1, front end housing 2, rear end cap 3, piston 4, main shaft 5, be provided with main shaft 5 and piston 4 in the cylinder 1, be provided with outlet pipe 6 in the main shaft 5, piston 4 cover is located on the

main shaft

5, 2 closing caps of front end housing in the lower extreme of

cylinder

1, 3 closing caps of rear end housing in the upper end of cylinder 1, first blowing hole 7 has been seted up on the main shaft 5, first blowing hole 7 switch-on outlet pipe 6, be provided with second blowing hole 8 on the front end housing 2, first blowing hole 7 with the coaxial setting in second blowing hole 8 syntropy.

In this embodiment, the main shaft 5 is provided with a first blowing hole 7, and in order to ensure the sealing performance of the whole cylinder and the air cylinder, preferably, the diameter of the first blowing hole is not more than 10mm, the first blowing hole 7 is communicated with the water outlet pipe 6, the diameter of the water outlet pipe 6 is larger, generally one third of the diameter of the main shaft 5 is selected, therefore, the moisture generated by the compressed air in the main shaft 5 can be effectively discharged, the front end cover 2 is provided with a second air blowing hole 8, used for blowing compressed air into the main shaft 5, the first blowing hole 7 and the second blowing hole 8 are coaxially arranged in the same direction, when the depression bar moves down, after first blowing hole 7 and second blowing hole 8 switch-on, compressed air gets into from second blowing hole 8, through first blowing hole 7, further arrives in main shaft 5, further loosens the tool bit and clears up, the tool changing of being convenient for.

Further, the height of the first air blowing hole 7 in the natural state of the unclamping cylinder is higher than that of the second air blowing hole 8, compressed air can be pressed into the spindle 5 in time when the unclamping cylinder is loosened, and the height of the first air blowing hole 7 must be higher than that of the second air blowing hole 8 in the natural state, so that the air blowing hole is in a closed state in the natural state, the structure is effectively utilized, the arrangement is more reasonable, and the production and processing cost is saved.

Further, the first air blowing hole 7 is communicated with the second air blowing hole 8 in the cutter loosening state of the cutter cylinder, correspondingly, the spindle 5 moves downwards in the cutter loosening state of the cutter cylinder, when the spindle moves to the lowest end, the first air blowing hole 7 is communicated with the second air blowing hole 8, and then compressed air reaches the inside of the spindle 5 to further loosen and clean the cutter head.

In a further embodiment, please refer to fig. 3, a half-moon ring locking key 9 is disposed on the main shaft, a clamping sleeve 10 is locked on the half-moon ring locking key 9, and the piston 4 is sleeved on the main shaft 5 through the clamping sleeve 10 and the half-moon ring locking key 9.

Because the depression bar in the cylinder 1 comprises piston 4 and main shaft 5 cooperation, consequently, need to guarantee piston 4 and main shaft 5 complex fastness, stability and security, then, this embodiment has adopted half moon ring 9 card key and cutting ferrule 10 card and mode to further firm piston 4 and main shaft 5, strengthened the durability of depression bar.

Optionally, referring to fig. 4, the pressure lever in the cylinder 1 may also be of an integrated structure, that is, the piston 4 and the main shaft 5 are of an integrated structure, so as to further ensure the stability of the structural arrangement.

In a further embodiment, referring to fig. 1, the front cover 2 and the rear cover 3 are fixedly connected by a connecting screw 11, and in order to ensure the stability of the connection between the front cover 2 and the rear cover 3 and the stability of the connection between the whole structure and the system, the connecting screw 11 is used in this embodiment.

Specifically, the connecting screws 11 are socket head cap screws, and the number of the socket head cap screws is at least 5, so that the cost can be minimized, and the stability of the connection of the whole structure and the system can be ensured to the maximum extent.

Further, referring to fig. 2, the front end cover 2 and the rear end cover 3 are both provided with oil ports 12, one of the oil ports 12 may be an oil inlet, and the other is an oil outlet, and is used for the inlet and outlet of hydraulic oil.

Furthermore, the oil port 12 is communicated with the cylinder barrel 1, so that the piston 4 in the cylinder barrel 1 can be conveniently pushed.

Furthermore, the piston 4 can freely slide between the front end cover 2 and the rear end cover 3 in the cylinder barrel 1, and the action of the unclamping cylinder can be flexibly and freely realized.

To sum up, the utility model discloses a knife loosening and blowing structure of a knife cylinder, which comprises a cylinder barrel, a front end cover, a rear end cover, a piston and a main shaft, wherein the cylinder barrel is internally provided with the main shaft and the piston, the main shaft is internally provided with a water outlet pipe, the piston is sleeved on the main shaft, the front end cover is covered on the lower end of the cylinder barrel, the rear end cover is covered on the upper end of the cylinder barrel, the main shaft is provided with a first blowing hole which is communicated with the water outlet pipe, the front end cover is provided with a second blowing hole, the first blowing hole and the second blowing hole are coaxially arranged in the same direction, the knife loosening and blowing structure of the knife cylinder is a main shaft knife cylinder system applied to a machining center, in particular to numerical control equipment such as a lathe, a milling machine and the like, in the structure, compressed air acts on the piston of the knife cylinder, thereby generating a thrust force, the tool bit is clamped through the pull cylinder, and in the process of feeding the tool, the tool bit is loosened and cleaned in a blowing mode, so that tool changing is facilitated, and the action of a mechanical device is further realized.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. The utility model provides a knife loosening and blowing structure of unclamping cylinder, includes cylinder, front end housing, rear end cap, piston, main shaft, its characterized in that, be provided with main shaft and piston in the cylinder, be provided with the outlet pipe in the main shaft, the piston cover is located on the main shaft, the front end housing closing cap in the lower extreme of cylinder, the rear end housing closing cap in the upper end of cylinder, first air blowing hole has been seted up on the main shaft, first air blowing hole switch-on the outlet pipe, be provided with the second air blowing hole on the front end housing, first air blowing hole with the coaxial setting of second air blowing hole syntropy.

2. The unclamping and air-blowing structure of the unclamping cylinder as claimed in claim 1, wherein the first air-blowing hole is higher than the second air-blowing hole in the natural state of the unclamping cylinder.

3. The unclamping and air-blowing structure of the unclamping cylinder according to claim 1 or 2, characterized in that the first air-blowing hole is communicated with the second air-blowing hole in the unclamping state of the unclamping cylinder.

4. The unclamping and air-blowing structure of the unclamping cylinder as claimed in claim 1, wherein the main shaft is provided with a semilunar ring clamping key, the semilunar ring clamping key is clamped with a clamping sleeve, and the piston is sleeved on the main shaft through the clamping sleeve and the semilunar ring clamping key.

5. The unclamping and air-blowing structure of the unclamping cylinder as claimed in claim 1, wherein the front end cover and the rear end cover are fixedly connected by a connecting screw.

6. The unclamping and blowing structure of a unclamping cylinder according to claim 5, wherein the connecting screw is a hexagon socket head cap screw.

7. The unclamping and blowing structure of a unclamping cylinder according to claim 6, wherein the number of the hexagon socket head cap screws is at least 5.

8. The unclamping and air-blowing structure of the unclamping cylinder as claimed in claim 1, wherein the front end cover and the rear end cover are both provided with oil ports.

9. The unclamping and air-blowing structure of the unclamping cylinder as claimed in claim 8, wherein the oil port is communicated with the cylinder barrel.

10. The unclamping and blowing structure of a unclamping cylinder according to claim 1, wherein the piston is freely slidable in the cylinder between the front cover and the rear cover.