CN213540909U

CN213540909U - Oscillating electric spindle oil cylinder

Info

Publication number: CN213540909U
Application number: CN202022246864.5U
Authority: CN
Inventors: 蔡瑞雄
Original assignee: Shenzhen Sufeng Science & Technology Co ltd
Current assignee: Shenzhen Sufeng Science & Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-25
Anticipated expiration: 2030-10-10

Abstract

The application discloses electric main shaft hydro-cylinder of yaw includes: the device comprises a cylinder barrel, a guide shaft, a piston, a knife-beating straight pipe joint and a first pipeline, wherein the interior of the cylinder barrel extends downwards to form the guide shaft; the clamping knife quick connector is arranged on the side wall of the cylinder barrel, and a second pipeline connected with the clamping knife quick connector extends to the other side wall of the cylinder barrel along the top of the cylinder barrel and then is bent downwards to communicate with the air cavity; the cleaning quick-plugging connector is arranged on the side wall of the cylinder barrel, and a third pipeline connected with the cleaning quick-plugging connector is bent downwards after extending along the top of the cylinder barrel, enters the guide shaft and extends downwards along the guide shaft to be in butt joint with the air outlet hole formed in the pull rod. This application all installs the setting at the lateral wall of cylinder with a plurality of joints to optimize the trend of the pipeline of connecting each joint, reduce the axial length of yaw electric spindle hydro-cylinder.

Description

Oscillating electric spindle oil cylinder

Technical Field

The utility model belongs to the technical field of the digit control machine tool, especially, relate to a yaw electricity main shaft hydro-cylinder.

Background

The oscillating electric spindle oil cylinder is used for changing a tool of a spindle of a machining center, generally adopts a pneumatic cylinder and an oil hydraulic cylinder to realize power transmission in a linkage mode, and various joints of the existing oscillating electric spindle oil cylinder are mainly installed on the axial end face of the oil cylinder, so that the oscillating electric spindle oil cylinder is too long in axial length and inconvenient to install and transport.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to overcome the defects, the utility model aims to provide a head swinging electric spindle oil cylinder which solves the technical problems of inconvenient installation and transportation due to the overlong axial length of the existing head swinging electric spindle.

(II) technical scheme

In order to achieve the purpose, the technical scheme provided by the application is as follows:

a head swinging electric spindle oil cylinder is characterized in that a cylinder barrel extends downwards to form a guide shaft, a piston is sleeved on the guide shaft and can move up and down along the guide shaft, the cylinder barrel is divided into an oil cavity and an air cavity which are mutually independent by the piston, a knife-beating straight pipe joint is arranged on the side wall of the cylinder barrel, a first pipeline connected with the knife-beating straight pipe joint is led out from the top of the cylinder barrel to be communicated with the oil cavity, and hydraulic oil is input into the oil cavity through the first pipeline by the knife-beating straight pipe joint to enable the piston to move downwards to push a pull rod arranged below the piston to move forwards; the quick clamping cutter plug is arranged on the side wall of the cylinder barrel, a second pipeline connected with the quick clamping cutter plug extends to the other side wall of the cylinder barrel along the top of the cylinder barrel and then is bent downwards to be communicated with the air cavity, and the quick clamping cutter plug can convey air to the air cavity through the second pipeline to enable the piston to move upwards for resetting; the cleaning quick-plugging connector is arranged on the side wall of the cylinder barrel, and a third pipeline connected with the cleaning quick-plugging connector is bent downwards after extending along the top of the cylinder barrel, enters the guide shaft and extends downwards along the guide shaft to be in butt joint with the air outlet hole formed in the pull rod.

The utility model arranges the knife clamping quick connector, the knife beating straight pipe connector and the cleaning quick connector on the side wall of the cylinder barrel, optimizes the direction of the pipeline connecting each connector, because the oil cavity is arranged below the top of the cylinder barrel, the first pipeline can be bent downwards and led out into the oil cavity after being connected with the knife beating straight pipe connector, after the knife clamping quick connector is inserted into the side surface of the cylinder barrel, the air tap of the knife clamping quick connector is forward, the second pipeline connecting the knife clamping quick connector can cause air channel blockage if being bent and extending downwards from the side wall of the installed knife clamping quick connector, the ventilation is not smooth, therefore, the second pipeline extends to the opposite side wall from the top of the cylinder barrel and then extends downwards to communicate the air cavity along the opposite side wall, the third pipeline connecting the cleaning quick connector needs to align with the air outlet hole of the pull rod, and then needs to be bent downwards to the guide shaft after extending along the top of the cylinder barrel, continue downwardly extending along the guiding axle and dock the venthole to the pull rod, after this application installed the lateral wall of cylinder with a plurality of joints, can reduce the axial length of yaw electricity main shaft hydro-cylinder as far as, make things convenient for the mounting box transportation of yaw electricity main shaft hydro-cylinder.

In some embodiments, the side surface of the piston is provided with an O-shaped sealing ring and a flat-open retainer ring abutted against the O-shaped sealing ring, and the flat-open retainer ring can tightly push the O-shaped sealing ring, so that the O-shaped sealing ring is prevented from shifting to fall off from the piston in the process of moving the piston up and down for a long time, and the sealing effect is prevented from being influenced.

In some embodiments, the length of the cross section of the O-shaped sealing ring is 5-6cm, the length of the cross section of the O-shaped sealing ring is optimized, the sealing area of the O-shaped sealing ring is increased, and the sealing effect of the O-shaped sealing ring is improved.

In some embodiments, install contact switch on the lateral wall of cylinder, the lateral wall of cylinder still be equipped with contact switch complex support, the support extends to in the cylinder with the bottom fixed connection of piston, be equipped with on the lateral wall of cylinder with support sliding fit's waist groove, install the contact switch of yaw electricity main shaft hydro-cylinder on the lateral wall, form wall-mounted mounting structure, utilize the existing height of yaw electricity main shaft hydro-cylinder to install, only occupy contact switch's thickness and just can install, reduce the installation space at yaw electricity main shaft hydro-cylinder top greatly, more be favorable to the installation of hydro-cylinder.

In some embodiments, a connecting pad is arranged between the bracket and the piston, and the connecting pad fixedly connects the bracket and the piston through a bolt.

Drawings

Fig. 1 is a first perspective sectional view of the swing electric spindle cylinder of the present invention;

fig. 2 is a second perspective sectional view of the swing electric spindle cylinder of the present invention;

fig. 3 is a perspective view of the top view angle of the oscillating electric spindle cylinder of the present invention;

fig. 4 is an assembly diagram of the present invention for installing the contact switch and the bracket on the oscillating electric spindle cylinder.

Reference numerals:

1. a cylinder barrel; 101. an oil chamber; 102. an air cavity; 2. a piston; 3. an end cap; 301. a guide shaft; 4. opening a flat check ring; 5. an O-shaped sealing ring; 6. a tool beating straight pipe joint; 601. a first conduit; 7. cleaning the quick connector; 8. a pull rod; 9. a knife clamping quick connector; 901. a second conduit; 10. a contact switch; 11. and (4) a bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-3, the present invention provides a swing electric spindle cylinder, which includes: the device comprises a cylinder barrel 1, wherein an end cover 3 is arranged at the top of the cylinder barrel 1, the end cover 3 extends downwards to form a guide shaft 301, a piston 2 which is sleeved on the guide shaft 301 and can move up and down along the guide shaft 301, the cylinder barrel 1 is divided into an oil cavity 101 and an air cavity 102 which are mutually independent by the piston 2, a knife-beating straight pipe joint 6 is arranged on the side wall of the cylinder barrel 1, a first pipeline 601 which is connected with the knife-beating straight pipe joint 6 is led out from the top of the cylinder barrel 1 and communicated with the oil cavity 101, and hydraulic oil is input into the oil cavity 101 through the first pipeline 601 by the knife-beating straight pipe joint 6, so that the piston 2 moves; the quick clamping cutter plug-in connector 9 is arranged on the side wall of the cylinder barrel 1, a second pipeline 901 connected with the quick clamping cutter plug-in connector 9 extends to the other side wall of the cylinder barrel 1 along the top of the cylinder barrel 1 and then is bent downwards to be communicated with the air cavity 102, and the quick clamping cutter plug-in connector 9 can convey air to the air cavity 102 through the second pipeline 901 to enable the piston 2 to move upwards for resetting; the cleaning quick-plugging connector 7 is arranged on the side wall of the cylinder barrel 1, and a third pipeline connected with the cleaning quick-plugging connector 7 extends along the top of the cylinder barrel 1, then bends downwards to enter the guide shaft 301 and extends downwards along the guide shaft 301 to be butted with an air outlet hole formed in the pull rod 8.

Specifically, when the cutter is cut, hydraulic pressure enters the oil cavity 101 through the cutter straight pipe joint 6, the piston 2 moves forwards, and the pull rod 8 is pushed to cut the cutter; when the spindle is cleaned, the pull rod 8 is abutted against the piston 2 to form a closed air cavity 102 with the piston 2, air enters the closed air cavity 102 through the cleaning quick connector 7 and directly reaches the spindle taper hole through the air outlet hole in the middle of the pull rod 8, the spindle taper hole is fully cleaned, and dust or scrap iron and the like are effectively prevented from entering the spindle; when clamping the cutter, high-pressure gas enters the gas cavity 102 through the quick cutter clamping plug 9, the piston 2 returns backwards to be separated from the pull rod 8, and the pull rod 8 automatically moves upwards under the action of external force.

Preferably, the side of the piston 2 is provided with an O-ring 5 and a flat-open retainer ring 4 abutted to the O-ring 5, and the flat-open retainer ring 4 can tightly push the O-ring 5, so that the phenomenon that the O-ring 5 is displaced to fall off from the piston 2 in the long-term up-and-down movement process of the piston 2 to affect the sealing effect is avoided.

Preferably, the length of the cross section of the O-shaped sealing ring 5 is set to be 5-6cm, the length of the cross section of the O-shaped sealing ring 5 is optimized, the sealing area of the O-shaped sealing ring 5 is increased, the phenomenon that the air cavity 102 and the oil cavity 101 cannot be effectively isolated and air leakage is caused after the O-shaped sealing ring 5 is abraded at a certain position is avoided, and the sealing effect of the O-shaped sealing ring 5 is improved.

Referring to fig. 4, in some embodiments, a contact switch 10 is installed on an outer side wall of the cylinder 1, a bracket 11 engaged with the contact switch 10 is further installed on the outer side wall of the cylinder 1, the bracket 11 extends into the cylinder 1 and is fixedly connected to the bottom of the piston 2, and a kidney slot slidably engaged with the bracket 11 is installed on the side wall of the cylinder 1.

Specifically, the contact switches 10 are generally installed in two, so the conventional installation structure is particularly wasteful of the space at the top of the cylinder 1, resulting in a large increase in the installation space at the top. This application is installed contact switch 10 on the lateral wall, forms adherence formula mounting structure, utilizes the existing height of hydro-cylinder to install, only occupies contact switch 10's thickness just can install, reduces the axial installation space of hydro-cylinder greatly, more is favorable to the installation of hydro-cylinder. Normally, two contact switches 10 are installed, and are respectively installed at two end points of the stroke range of the bracket 11, in operation, hydraulic oil enters the oil chamber 101 from the first pipeline 601 to push the piston 2 to move downwards, so as to drive the bracket 11 to move downwards along the kidney slot until the bracket 11 triggers the contact switch 10 below to perform knife-breaking signal transmission, and then, gas enters the air chamber 102 from the second pipeline 901 to push the piston 2 to move upwards, so as to drive the bracket 11 to move upwards, until the bracket 11 triggers the contact switch 10 above to complete knife-clamping signal transmission.

Preferably, a connecting pad is arranged between the bracket 11 and the piston 2, and the bracket 11 and the piston 2 are fixedly connected through a bolt by the connecting pad. Connecting pads are arranged between the support 11 and the piston 2, and the support 11 and the piston 2 are fixedly connected through bolts by the connecting pads. The connecting pad is used for assisting in fixing the connecting support 11 and the piston 2, and the convenience of disassembly and assembly is improved through the split type connecting structure.

Preferably, a sealing ring is arranged around the waist groove, so that the sealing effect of the cylinder barrel 1 is improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a yaw electricity main shaft hydro-cylinder which characterized in that includes: the device comprises a cylinder barrel (1), a guide shaft (301) is formed by downward extending inside the cylinder barrel (1), a piston (2) which is sleeved on the guide shaft (301) and can move up and down along the guide shaft (301), the piston (2) divides the cylinder barrel (1) into an oil cavity (101) and an air cavity (102) which are mutually independent, a knife-striking straight pipe joint (6) is arranged on the side wall of the cylinder barrel (1), a first pipeline (601) which is connected with the knife-striking straight pipe joint (6) is led out from the top of the cylinder barrel (1) and communicated with the oil cavity (101), and the knife-striking straight pipe joint (6) inputs hydraulic oil to the oil cavity (101) through the first pipeline (601) to enable the piston (2) to move downwards and push a pull rod (8) arranged below the piston (2) to move forwards; the quick cutter clamping plug-in connector (9) is arranged on the side wall of the cylinder barrel (1), a second pipeline (901) connected with the quick cutter clamping plug-in connector (9) extends to the other side wall of the cylinder barrel (1) along the top of the cylinder barrel (1) and then is bent downwards to be communicated with the air cavity (102), and the quick cutter clamping plug-in connector (9) can transmit air to the air cavity (102) through the second pipeline (901) to enable the piston (2) to move upwards for resetting; the cleaning quick-plugging connector (7) is arranged on the side wall of the cylinder barrel (1), and a third pipeline connected with the cleaning quick-plugging connector (7) extends along the top of the cylinder barrel (1), then bends downwards to enter the guide shaft (301), extends downwards along the guide shaft (301) and is butted with an air outlet hole formed in the pull rod (8).

2. The oscillating electric spindle oil cylinder according to claim 1, wherein an O-shaped sealing ring (5) and a flat-open retainer ring (4) abutted against the O-shaped sealing ring (5) are arranged on the side surface of the piston (2).

3. The oscillating electric spindle oil cylinder according to claim 2, wherein the cross-sectional length of the O-ring (5) is 5-6 cm.

4. The swing head electric spindle oil cylinder according to claim 1, characterized in that a contact switch (10) is installed on the outer side wall of the cylinder barrel (1), a support (11) matched with the contact switch (10) is further arranged on the outer side wall of the cylinder barrel (1), the support (11) extends into the cylinder barrel (1) and is fixedly connected with the bottom of the piston (2), and a waist groove in sliding fit with the support (11) is arranged on the side wall of the cylinder barrel (1).

5. The head swinging electric spindle oil cylinder according to claim 4, wherein a connecting pad is arranged between the support (11) and the piston (2), and the support (11) and the piston (2) are fixedly connected through a bolt by the connecting pad.