CN214290855U

CN214290855U - Numerical control machine tool spindle structure with knife beating device

Info

Publication number: CN214290855U
Application number: CN202023287115.3U
Authority: CN
Inventors: 邝锦富; 李文辉; 陈铁文
Original assignee: Guangdong Jinke Machine Tool Co ltd
Current assignee: Guangdong Jinke Machine Tool Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-28
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a digit control machine tool main shaft structure of device is beaten in area, including headstock, main shaft body and main shaft axle center, be equipped with in the headstock and beat the sword device, beat the sword device and include external drive portion and axle center portion, be equipped with oil mist generating device on the headstock, oil mist generating device's oil mist sprays the directional headstock inner chamber at sword device axle center portion place of beating of mouth, but the oil mist curtain coating that spouts contact site between external drive portion and the sword axle center portion to and can the curtain coating to the contact site of local or whole activities of each other between sword device axle center portion and the main shaft axle center. The contact part between the external driving part and the shaft center part of the unclamping device and the partial or all mutually movable contact part between the shaft center part of the unclamping device and the shaft center of the main shaft can be lubricated by the generated oil mist, so that the abrasion of the contact part between the external driving part and the shaft center part of the unclamping device is reduced, the service life of related parts is prolonged, and the use is safe and reliable.

Description

Numerical control machine tool spindle structure with knife beating device

Technical Field

The utility model relates to a machine tool equipment technical field, in particular to digit control machine tool main shaft structure of device is beaten in area.

Background

A main shaft of a machine tool of a numerical control machine tool is convenient for replacing a cutter, a cutter beating device is installed on the main shaft, a cutter beating axis (ejector rod) of the cutter beating device is arranged in the center of the main shaft, the front end of the cutter beating axis (ejector rod) is communicated to the position of a cutter handle, a cutter beating driving part is connected to the top end of the cutter beating device, when the cutter needs to be replaced, the cutter beating axis (ejector rod) is driven to downwards push the cutter handle, and therefore cutter loosening action is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a long service life, effectual, the simple structure is answered takes digit control machine tool main shaft structure of forging a knife device.

The utility model discloses a realize through following technical scheme:

the utility model provides a take digit control machine tool main shaft structure of device of forging a knife, including the headstock, the main shaft body with install at this internal main shaft axle center of main shaft, the main shaft body is fixed in the inner chamber of headstock, be equipped with the device of forging a knife in the headstock, the device of forging a knife includes external drive portion and axle center portion, external drive portion installs in the headstock, axle center portion connects on the main shaft axle center, the front drive end and the axle center portion hookup of external drive portion, be equipped with oil mist generating device on the headstock, the directional headstock inner chamber at the device axle center portion place of forging a knife of oil mist generating device's oil mist sprinkler mouth, the oil mist can curtain-cast to the contact site between external drive portion and the axle center portion of forging a knife to and can curtain-cast the contact site of local or all activities of each other between device axle center portion of forging a knife and the main shaft center portion.

The utility model has the advantages that: because the oil mist generating device is arranged in the tool striking device mounting cavity of the spindle box, the contact part between the external driving part of the tool striking device and the shaft center part of the tool striking device and the local or all mutually movable contact parts between the shaft center part of the tool striking device and the shaft center of the spindle can be lubricated by the generated oil mist, the abrasion of the contact parts between the parts is reduced, the service life of related parts is prolonged, and the use is safe and reliable.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of the three-dimensional structure of the present invention (the spindle box is partially cut open);

fig. 2 is a schematic view of the three-dimensional structure of the present invention (the spindle box, the unclamping mechanism, and the upper portion of the spindle axis are cut open);

FIG. 3 is a schematic view of the three-dimensional structure of the main shaft body, the axis of the main shaft, and the axis of the unclamping mechanism of the present invention;

FIG. 4 is a schematic view of the split structure of the spindle body, the spindle axis and the shaft center of the unclamping mechanism of the present invention;

fig. 5 is a schematic view of the overall side direction of the spindle structure of the present invention;

fig. 6 is a schematic view of the overall front direction of the spindle structure of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

fig. 8 is a schematic structural diagram of the spindle and the driving motor of the present invention.

Reference numerals: the main shaft box 1, an inner cavity 10, a main shaft body 2, a main shaft axis 3, a knife striking stroke groove 30, an external driving part 5, a knife striking arm linkage mechanism 51, a knife striking arm 52, a front pressure rod 53, a pressure wheel 54, an axis part 6, a knife striking axis 61, a knife loosening ring 62, a fixed pin 63, an oil mist generating device 7, an oil path distributor 71, an oil path tee joint 72, an oil pipe 73, an air guide pipe 74, an oil mist conveying pipe 75, a main shaft motor 8, a coupling 9 and a motor plate 81

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 8, the utility model relates to a digit control machine tool spindle structure of device is beaten in area, including headstock 1, main shaft body 2 and install the main shaft axle center 3 in main shaft body 2, main shaft body 2 is fixed in the inner chamber 10 of headstock 1, is equipped with in headstock 1 and beats the device of cutting.

The unclamping device comprises an external driving part 5 and a shaft center part 6, wherein the external driving part 5 is installed in the spindle box 1, the shaft center part 6 is connected to the spindle shaft center 3, and the front driving end of the external driving part 5 is connected with the shaft center part 6.

An oil mist generating device 7 is arranged on the main spindle box 1, an oil mist spraying port of the oil mist generating device 7 points to an inner cavity of the main spindle box 1 where the shaft center part 6 of the unclamping device is located, oil mist flows to a contact part between the external driving part 5 and the shaft center part 6 of the unclamping device and flows to a contact part between the shaft center part 6 of the unclamping device and the shaft center part 3 of the main spindle or all contact parts moving mutually, namely, a gap in which oil mist can flow exists between the external driving part 5 and the shaft center part 6 of the unclamping device and a gap in which the shaft center part 6 of the unclamping device and the shaft center part 3 of the main spindle can be communicated, and the oil mist can play a role in lubricating related components.

Preferably, the external driving portion 5 of the unclamping device includes an unclamping arm linkage mechanism 51, an unclamping arm 52, a front pressing rod 53 and a pressing wheel 54, the unclamping arm linkage mechanism 51 is connected with the front pressing rod 53 through the unclamping arm 52, the front end of the front pressing rod 53 is connected with the pressing wheel 54, and the pressing wheel 54 is disposed above the driven part of the axial center portion 6 of the unclamping device.

Preferably, the pressure roller 54 is a roller cam guide, which is reliable in use.

Preferably, the axial center part 6 includes a unclamping center 61, a unclamping ring 62 and a fixing pin 63, the unclamping center 61 is disposed in the inner cavity of the spindle center 3, the bottom end of the unclamping center acts on the tool holder, and the top end of the unclamping center is connected to the unclamping ring 62 sleeved outside the spindle center 3 through the fixing pin 63 connected to the unclamping travel groove 30 of the spindle center 3.

Combine external drive division and axle center's concrete structure, the utility model discloses a knife device, pinch roller 54 sets up in the top of pine sword ring 62, when needs knife pine sword, the action of arm link gear 51 of beating the sword, pinch roller 54 pushes down, promotes loose sword ring 62 downstream, loose sword ring 62 drives the 62 downstream in the sword axle center of beating of connecting through the fixed pin, the lower extreme in sword axle center can be in order to push away the sword handle of installing in the main shaft axle center, realize the sword action of loosing (to the sword axle center, because be conventional technique, do not describe one by one here again).

Preferably, the oil mist generating device 7 comprises an oil path distributor 71, an oil path tee 72, an oil pipe 73, an air duct 74 and an oil mist delivery pipe 75, wherein the oil path distributor 71 and the oil path tee 72 are installed outside the spindle head 1, the front end of the oil mist delivery pipe 75 (i.e. the oil mist spraying opening) winds around the front end opening 10 of the spindle head 1, extends into the inner cavity of the spindle head 1, and points to the connection part of the external driving part 5 and the shaft center part 6 of the unclamping device, i.e. the generated oil mist can be sprayed to the position, so that the oil mist can flow to the relevant part in the unclamping device (e.g. a gap between the outer side wall of the top end of the unclamping shaft center and the wall surface of the inner cavity of the spindle shaft center) to play a lubricating role.

In addition, referring to fig. 8, when the spindle structure of the present invention is used, the spindle motor 8 is installed on the upper portion of the spindle box 1 through the motor plate 81, and the spindle motor 8 is coupled to the spindle axis 3 through the coupling 81, so that the spindle portion can be formed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a digit control machine tool main shaft structure of device is beaten in area, includes headstock, main shaft body and installs at this internal main shaft axle center of main shaft, and the main shaft body is fixed in the inner chamber of headstock, its characterized in that: the main shaft box is internally provided with a cutter beating device, the cutter beating device comprises an external driving part and a shaft center part, the external driving part is installed in the main shaft box, the shaft center part is connected to the shaft center of the main shaft, the front driving end of the external driving part is connected with the shaft center part, the main shaft box is provided with an oil mist generating device, an oil mist spraying opening of the oil mist generating device points to an inner cavity of the main shaft box where the shaft center part of the cutter beating device is located, oil mist flow can extend to a contact part between the external driving part and the shaft center part of the cutter beating device, and the oil mist flow is cast to a contact part between the shaft center part of the cutter beating device and the shaft center of the main shaft, wherein the contact part is local or is completely movable mutually.

2. The numerical control machine tool spindle structure with the unclamping device according to claim 1, characterized in that: the external driving part of the unclamping device comprises a unclamping arm linkage mechanism, a unclamping arm, a front pressing rod and a pressing wheel, wherein the unclamping arm linkage mechanism is connected with the front pressing rod through the unclamping arm, the front end of the front pressing rod is connected with the pressing wheel, and the pressing wheel is arranged above a driven part in the shaft center part of the unclamping device.

3. The numerical control machine tool spindle structure with the unclamping device according to claim 2, characterized in that: the pinch roller is a roller cam guider.

4. The numerical control machine tool spindle structure with the unclamping device according to claim 1, 2 or 3, characterized in that: the shaft center part comprises a unclamping shaft center, a unclamping ring and a fixing pin, the unclamping shaft center is arranged in the inner cavity of the main shaft center, the bottom end of the unclamping shaft center is used for acting on the tool handle, and the top end of the unclamping shaft center is connected with the unclamping ring sleeved outside the main shaft center through the fixing pin connected in a unclamping stroke groove of the main shaft center.

5. The numerical control machine tool spindle structure with the unclamping device according to claim 1, characterized in that: the oil mist generating device comprises an oil way distributor, an oil way tee joint, an oil pipe, an air guide pipe and an oil mist conveying pipe, the oil way distributor and the oil way tee joint are arranged on the outer side of the spindle box, and the front end of the oil mist conveying pipe winds to an opening at the front end of the spindle box, extends into an inner cavity of the spindle box and points to a connecting position of an external driving part and a shaft center part of the unclamping device.