阅读说明：本技术 一种双刀架数控车床 (Double-cutter-holder numerically controlled lathe ) 是由 王天云 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种双刀架数控车床,其结构包括主轴箱、保持架、给进结构、刀架、滑动架、底座、支脚,底座底部两侧分别焊接有支脚,底座顶部设有滑轨,该滑轨安装有滑动架,滑动架中间设有给进结构,滑动架两端分别安装有刀架,主轴箱连接在底座左侧,保持架设在滑动架与主轴箱之间,给进结构设有接触头,接触头的端面设有吸气球,接触头内部设有转动结构,接触头顶部设有固定结构,本发明的有益效果是：通过多个吸气球对工件进行负压吸附固定,防止工件在工作过程中出现打滑现象,且通过主卡件与副卡件的配合能够对转动结构进行有效固定。(The invention discloses a double-tool-holder numerically controlled lathe, which structurally comprises a main spindle box, a holder, a feeding structure, tool rests, a sliding frame, a base and support legs, wherein the support legs are welded on two sides of the bottom of the base respectively, a sliding rail is arranged on the top of the base and provided with the sliding frame, the feeding structure is arranged in the middle of the sliding frame, the tool rests are arranged on two ends of the sliding frame respectively, the main spindle box is connected to the left side of the base, the holder is arranged between the sliding frame and the main spindle box, the feeding structure is provided with a contact head, a suction balloon is arranged on the end face of the contact head, a rotating structure is arranged: carry out the negative pressure through a plurality of balloons of inhaling and adsorb fixedly to the work piece, prevent that the work piece from appearing the phenomenon of skidding in the course of the work, and can effectively fix rotating-structure through the cooperation of main fastener and vice fastener.)

1. The utility model provides a two cutter frame numerical control lathe, its structure includes headstock (1), holder (2), feeds structure (3), knife rest (4), carriage (5), base (6), stabilizer blade (7) have been welded respectively to base (6) bottom both sides, base (6) top is equipped with the slide rail, and carriage (5) are installed to this slide rail, be equipped with in the middle of carriage (5) and feed structure (3), knife rest (4) are installed respectively at carriage (5) both ends, headstock (1) is connected in base (6) left side, establish between carriage (5) and headstock (1) holder (2), its characterized in that:

the feeding structure (3) is provided with a contact head (30), the end face of the contact head (30) is provided with a suction balloon (31), a rotating structure (32) is arranged inside the contact head (30), and the top of the contact head (30) is provided with a fixing structure (33).

2. The double-tool-holder numerically controlled lathe according to claim 1, wherein: contact head (30) terminal surface is equipped with guard circle (301), contact head (30) inside is equipped with cavity (302), be equipped with guide block (303) in cavity (302).

3. The double-tool-holder numerically controlled lathe according to claim 1, wherein: inhale balloon (31) and include hemisphere (310), spring (311), induction port (312), plug (313), negative pressure chamber (314), pull rod (315), removal dish (316), hemisphere (310) are connected at contact head (30) terminal surface, be equipped with negative pressure chamber (314) in the middle of hemisphere (310), negative pressure chamber (314) communicate with hemisphere (310) outside through induction port (312), plug (313) are established in negative pressure chamber (314), plug (313) are connected with contact head (30) terminal surface through spring (311), plug (313) are connected with removal dish (316) through pull rod (315), removal dish (316) are established in cavity (302).

4. The double-tool-holder numerically controlled lathe according to claim 1, wherein: the rotating structure (32) comprises an outer ring (320), an outer wedge block (321), a connecting rod (322), an inner ring (323), an inner wedge block (324) and a holding rod (325), wherein the outer wedge block (321) is arranged on the inner side of the outer ring (320), the inner ring (323) is arranged inside the outer ring (320), the circle centers of the inner ring and the outer ring are the same, the inner wedge block (324) is arranged on the inner side of the inner ring (323), the inner ring (323) is connected with the outer ring (320) through the connecting rod (322), the outer ring (320) is connected with one end of the holding rod (325), and one end of the holding rod (325) is arranged outside the contact head (30.

5. The double-tool-holder numerically controlled lathe according to claim 4, wherein: the outer side of the outer ring (320) is provided with a groove (3201), the groove (3201) is matched with the guide block (303), and a rack groove (3202) is formed in the groove (3201).

6. A double-carriage numerically controlled lathe according to claim 2, characterized in that: be equipped with mounting groove (3030) in guide block (303), install fixed knot in mounting groove (3030) and construct (33), fixed knot constructs (33) including ejector pin (330), main spring (331), secondary spring (332), main fastener (333), vice fastener (334), main fastener (333) are connected with mounting groove (3030) inner face through main spring (331), bar groove in main fastener (333), this bar inslot is equipped with vice fastener (334), vice fastener (334) are connected with bar inslot face through vice spring (332), main fastener (333) are connected with ejector pin (330) one end, the ejector pin (330) other end stretches out outside contact head (30).

7. The double-tool-holder numerically controlled lathe according to claim 6, wherein: one end of the main clamping piece (333) close to the rack groove (3202) is provided with a tapered groove, one end of the auxiliary clamping piece (334) close to the rack groove (3202) is in a tapered shape, and the main clamping piece (333) and the auxiliary clamping piece (334) are matched with the rack groove (3202).

8. A double-carriage numerically controlled lathe according to claim 3, characterized in that: and a silica gel layer (317) is arranged on the outer side of the hemisphere (310).

Technical Field

The invention relates to the field of lathes, in particular to a double-tool-holder numerically controlled lathe.

Background

The lathe is a lathe for turning a rotating workpiece mainly by a lathe tool, and a drill, a reamer, a tap, a die, a knurling tool and the like can be used for corresponding processing on the lathe.

When a workpiece is fixed by the conventional double-tool-rest numerically controlled lathe, a feeding structure is forward to prop against the workpiece, and when the workpiece rotates or is fixed, the workpiece possibly slips, so that the processing quality is influenced.

Disclosure of Invention

The invention mainly aims to overcome the defects in the prior art and provide a double-tool-holder numerically controlled lathe.

The invention is realized by adopting the following technical scheme: the utility model provides a double knives frame numerical control lathe, its structure includes headstock, holder, feed structure, knife rest, carriage, base, stabilizer blade, the stabilizer blade has been welded respectively to base bottom both sides, the base top is equipped with the slide rail, and the carriage is installed to this slide rail, be equipped with feed structure in the middle of the carriage, the knife rest is installed respectively at the carriage both ends, the headstock is connected in the base left side, the holder is established between carriage and headstock, feed structure is equipped with the contact head, the terminal surface of contact head is equipped with inhales the balloon, the inside rotating-structure that is equipped with of contact head, the contact head top is equipped with fixed knot and constructs.

Preferably, the end face of the contact head is provided with a protective ring, a cavity is arranged inside the contact head, and a guide block is arranged in the cavity.

Preferably, the air suction balloon comprises a hemisphere, a spring, an air suction port, a rubber plug, a negative pressure cavity, a pull rod and a moving plate, the hemisphere is connected to the end face of the contact head, the negative pressure cavity is arranged in the middle of the hemisphere and is communicated with the outside of the hemisphere through the air suction port, the rubber plug is arranged in the negative pressure cavity and is connected with the end face of the contact head through the spring, the rubber plug is connected with the moving plate through the pull rod, and the moving plate is arranged in the cavity.

Preferably, the rotating structure comprises an outer ring, an outer wedge block, a connecting rod, an inner ring, an inner wedge block and a holding rod, the outer wedge block is arranged on the inner side of the outer ring, the inner ring is arranged inside the outer ring, the circle centers of the outer ring and the inner wedge block are the same, the inner ring and the outer ring are connected through the connecting rod, the outer ring is connected with one end of the holding rod, and one end of the holding rod is arranged outside the contact.

Preferably, a groove is formed in the outer side of the outer ring and matched with the guide block, and a rack groove is formed in the groove.

As the optimization, be equipped with the mounting groove in the guide block, install fixed knot in the mounting groove and construct, fixed knot constructs including ejector pin, main spring, secondary spring, main fastener, vice fastener, main fastener is connected with the mounting groove inner face through the main spring, bar groove in the main fastener, this bar inslot is equipped with vice fastener, vice fastener is connected with bar inslot face through vice spring, main fastener is connected with ejector pin one end, the ejector pin other end stretches out outside the contact head.

As optimization, the one end that the main fastener is close to the rack groove is equipped with the taper groove, the one end that the vice fastener is close to the rack groove is the toper form, main fastener, vice fastener cooperate with the rack groove.

Preferably, a silica gel layer is arranged on the outer side of the hemisphere.

Preferably, the end face of the contact head is distributed with 2 circles of air suction balls inside and outside, the moving disc of the inner circle of air suction balls is matched with the inner wedge block, and the moving disc of the outer circle of air suction balls is matched with the outer wedge block.

Preferably, one end of the inner wedge block is thin, and the other end of the inner wedge block is thick.

Preferably, the diameter of the suction port is smaller than that of the negative pressure cavity.

Advantageous effects

When the clamping device is used, two ends of a workpiece are respectively abutted between a spindle box and a contact head, then the holding rod is rotated to rotate the inner ring and the outer ring, so that the inner wedge block and the outer wedge block push the movable disc to move inwards, the rubber plug is pulled to move inwards, negative pressure is generated at the air suction port, the end face of the workpiece is sucked, the workpiece is prevented from slipping, the ejector rod is pulled up to rotate the holding rod, after the completion of the rotation, the ejector rod is lowered, the main clamping piece is pushed by the main spring to press downwards and then clamps the rack groove, when two ends of the main clamping piece are just propped against the upper part of the rack groove, the auxiliary clamping piece is just pressed and clamped into the rack groove, and the matching of the auxiliary clamping piece and the main clamping piece can cope with two different.

Compared with the prior art, the invention has the beneficial effects that: carry out the negative pressure through a plurality of balloons of inhaling and adsorb fixedly to the work piece, prevent that the work piece from appearing the phenomenon of skidding in the course of the work, and can effectively fix rotating-structure through the cooperation of main fastener and vice fastener.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a double-carriage numerically controlled lathe according to the present invention.

Fig. 2 is a schematic structural diagram of a contact according to the present invention.

Fig. 3 is a cross-sectional view of a contact of the present invention.

Fig. 4 is a schematic structural view of the suction balloon of the present invention.

Fig. 5 is a schematic structural view of the rotating structure of the present invention.

FIG. 6 is a schematic structural view of the outer wedge of the present invention.

Fig. 7 is a schematic structural view of the outer ring of the present invention.

Fig. 8 is a schematic structural view of a portion a in fig. 5.

In the figure: the spindle box 1, the holder 2, the feeding structure 3, the tool rest 4, the sliding frame 5, the base 6, the support legs 7, the contact head 30, the suction ball 31, the rotating structure 32, the fixing structure 33, the guard ring 301, the cavity 302, the guide block 303, the hemisphere 310, the spring 311, the suction port 312, the rubber plug 313, the negative pressure cavity 314, the pull rod 315, the moving disc 316, the outer ring 320, the outer wedge 321, the connecting rod 322, the inner ring 323, the inner wedge 324, the holding rod 325, the groove 3201, the rack groove 3202, the mounting groove 3030, the ejector rod 330, the main spring 331, the auxiliary spring 332, the main clamping member 333, the auxiliary clamping member 334 and the silicone rubber layer 317.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.