CN202964223U

CN202964223U - Tool changing mechanism for disc tool magazine

Info

Publication number: CN202964223U
Application number: CN 201220566758
Authority: CN
Inventors: 刘怡君
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-31
Filing date: 2012-10-31
Publication date: 2013-06-05
Anticipated expiration: 2022-10-31

Abstract

The utility model discloses a tool changing mechanism for a disc tool magazine, which comprises the disc tool magazine arranged on a machining center, and a machining center Z-axis, wherein a Z-axis curve block is arranged on the machining center Z-axis, and consists of a smooth curve part facing towards the disc tool magazine and straight line parts positioned at the upper end and the lower end of the smooth curve part; a Z-axis roller is arranged on the Z-axis curve block at the smooth curve part; a tool magazine curve block and a disc tool magazine roller are arranged on the disc tool magazine; the machining center Z-axis makes longitudinal rectilinear motion to allow the Z-axis roller to be matched with the Z-axis curve block to move, so as to drive the disc tool magazine to swing; the longitudinal rectilinear motion of the machining center Z-axis further allows the disc tool magazine roller to be matched with the Z-axis curve block to move; and the disc tool magazine roller presses the surface of the Z-axis curve block all the time during motion. The tool changing mechanism for the disc tool magazine is simple in structure, ingenious in design and reasonable in layout, achieves tool changing movement by the curve part and the rollers that are arranged in a pairing and staggered manner, and can achieve non-pausing, high-speed and smooth tool changing.

Description

The disc tool magazine cutter-exchange mechanism

Technical field

The utility model relates to a kind of cutter-exchange mechanism, particularly a kind of cutter-exchange mechanism that is applicable to disc tool magazine.

Background technology

Advantages such as it is many that the disc tool magazine of numerical control machining center has alternative, and tool changing is convenient, fast and being widely used.China Patent No. is: ZL200820013783.7, utility model is created name and is called: the cutter-exchange mechanism of synchronous displacement tool-exchanging mechanism is made in curve ruler, torsion spring, curve bearing, the locking of cutter pawl, this cutter-exchange mechanism utilizes the Z axis of lathe to drive curve ruler and moves up and down, the strength that relies on torsion spring to provide, the roller that is arranged on disc tool magazine is pressed on curve ruler all the time, when the curve ruler lengthwise movement, under the effect of roller, disc tool magazine just can be done the reciprocally swinging with the match profiles of curve ruler, finally realizes the tool changing action.although the cutter-exchange mechanism of this structure is converted into rectilinear motion the swing of tool magazine by curve ruler and the roller that matches, have advantages of certain, but the curve on curve ruler is relatively simple, the radian of curved portion is larger, therefore when roller is with respect to the straight line portion motion of curve ruler, movement velocity can be relatively very fast, but when moving to curved portion, just need to underspeed, to reduce the reaction force of curved portion pair roller (being disc tool magazine), just having like this one in exchanging knives process significantly pauses, whole motion is smooth not, and can't realize the high speed tool changing.Therefore need now a kind of novel cutter-exchange mechanism or device that can address the above problem.

Summary of the invention

The utility model is in order to solve the existing above-mentioned deficiency of prior art, propose a kind of simple in structurely, design ingenious, rationally distributed, utilize in pairs and the curved portion that is crisscross arranged and roller are realized the tool changing action, can realize without pause, at a high speed, the disc tool magazine cutter-exchange mechanism of smooth tool changing.

technical solution of the present utility model is: a kind of disc tool magazine cutter-exchange mechanism, comprise by torsion spring and be hinged on machining center 1 upper end, can do the disc tool magazine 2 of arc swing, but be provided with the machining center Z axis 3 of linear longitudinal movement on the work in-process heart 1, it is characterized in that: be provided with Z axis curve piece 9 on described machining center Z axis 3, this Z axis curve piece 9 is by towards the smoothed curve part 4 of disc tool magazine 2 directions be positioned on smoothed curve part 4, the straight line portion 8 at lower two ends forms, also be provided with Z axis roller 5 on the Z axis curve piece 9 at smoothed curve part 4 places, be provided with tool magazine curve piece 6 and disc tool magazine roller 7 on disc tool magazine 2, machining center Z axis 3 linear longitudinal movements make the action that matches of Z axis roller 5 and curve piece 6, driving disc tool magazine 2 swings, machining center Z axis 3 linear longitudinal movements also allow the action that matches of disc tool magazine roller 7 and Z axis curve piece 9, in motion process, disc tool magazine roller 7 is pressed in the surface of Z axis curve piece 9 all the time.

The utility model is compared with prior art, has following advantage:

the disc tool magazine cutter-exchange mechanism of this kind of version, it is simple in structure, design ingenious, rationally distributed, it changes the rectilinear motion of curve ruler into the existing defective of structure of cutterhead swing for traditional roller that passes through, improve on the basis of original structure, utilize two groups of curved portion that match and be crisscross arranged and roller structure to cooperatively interact, it resolves into the motion that can seamlessly transit by above-mentioned two suite line parts with idler wheel mechanism with the linear longitudinal movement of curve ruler, roller in these two groups of mechanisms is with respect to separately curved portion, the track of its relative motion is all near rectilinear motion, therefore this mechanism can realize steadily under the situation of the quick lengthwise movement of work in-process heart Z axis, tool changing action without pause point, impact to disc tool magazine is less, prevent the noise that occurs because of vibrations and cause potential safety hazard.And the manufacture craft of this cutter-exchange mechanism is simple, and is cheap for manufacturing cost, therefore can say that it has possessed multiple advantage, is particularly suitable for applying in the art.

Description of drawings

Fig. 1 is the front view of the utility model embodiment.

Fig. 2 is the rearview of the utility model embodiment.

Fig. 3 is the A section enlarged drawing in Fig. 1.

Fig. 4 is the B section enlarged drawing in Fig. 2.

Fig. 5 is the structural representation of the utility model embodiment operating state one.

Fig. 6 is the structural representation of the utility model embodiment operating state two.

Fig. 7 is the structural representation of the utility model embodiment operating state three.

The specific embodiment

Below in conjunction with the description of drawings specific embodiment of the present utility model.As extremely shown in Figure 7 in Fig. 1: a kind of disc tool magazine cutter-exchange mechanism, comprise by torsion spring and be hinged on machining center 1 upper end, and can do arc swing disc tool magazine 2, but be provided with the machining center Z axis 3 of linear longitudinal movement on the work in-process heart 1, be provided with Z axis curve piece 9 on work in-process heart Z axis 3, this Z axis curve piece 9 is comprised of with the straight line portion 8 that lays respectively at these smoothed curve part 4 upper/lower terminals the smoothed curve part 4 towards disc tool magazine 2 directions; Be provided with Z axis roller 5 on the Z axis curve piece 9 at smoothed curve part 4 places, be respectively arranged with tool magazine curve piece 6 and disc tool magazine roller 7 on disc tool magazine 2, during machining center Z axis 3 linear longitudinal movement, the motion that matches of Z axis roller 5 and curve piece 6, Z axis roller 5 is being pressed under the effect of torsion spring on curve piece 6 all the time, and along with the outline line of curve piece 6 moves, drive disc tool magazine 2 and swing; Similarly, the linear longitudinal movement of machining center Z axis 3 also makes the action that matches of straight line portion 8, the smoothed curve part 4 on disc tool magazine roller 7 and Z axis curve piece 9, disc tool magazine roller 7 also is pressed in the surface of Z axis curve piece 9 all the time under the effect of torsion spring, and the outline line motion of Z axis curve piece 9.

The course of work of the disc tool magazine cutter-exchange mechanism of the utility model embodiment is as follows: machining center Z axis 3 moves downward, all the time be pressed on the surface of Z axis curve piece 9 due to disc tool magazine roller 7, so the process of Z axis curve piece 9 motion just can drive disc tool magazine 2 and does swing; Machining center Z axis 3 continues to move downward, and Z axis roller 5 can contact with curve piece 6 again at this moment, and rolls on the surface of curve piece 6, completes the wobbling action of disc tool magazine 2; When machining center Z axis 3 moved upward, above-mentioned action revert all carried out, and disc tool magazine 2 is got back to initial position.

in above-mentioned motion process, the extreme position that disc tool magazine 2 swings is actually by two groups of curved portion that cooperatively interact and common (the Z axis roller 5 and tool magazine curve piece 6 of realizing of roller, disc tool magazine roller 7 and Z axis curve piece 9), although the amplitude demand that disc tool magazine 2 swings is identical, jointly complete but overlap mechanism by two, therefore this two cover mechanism, what specifically this two radius of curvature radian that overlaps the curved portion of mechanism can design is relatively large, even close to straight line, the relative motion of roller and curved portion just can reach a higher speed like this, and the motion process in also without any pause.

Claims

1. disc tool magazine cutter-exchange mechanism, comprise by torsion spring and be hinged on machining center (1) upper end, can do the disc tool magazine (2) of arc swing, the work in-process heart (1) but on be provided with the machining center Z axis (3) of linear longitudinal movement, it is characterized in that: be provided with Z axis curve piece (9) on described machining center Z axis (3), this Z axis curve piece (9) is by towards the smoothed curve of disc tool magazine (2) direction part (4) be positioned at smoothed curve partly on (4), the straight line portion at lower two ends (8) forms, also be provided with Z axis roller (5) on the Z axis curve piece (9) that smoothed curve part (4) is located, be provided with tool magazine curve piece (6) and disc tool magazine roller (7) on disc tool magazine (2), machining center Z axis (3) linear longitudinal movement makes the action that matches of Z axis roller (5) and curve piece (6), driving disc tool magazine (2) swings, machining center Z axis (3) linear longitudinal movement also allows the action that matches of disc tool magazine roller (7) and Z axis curve piece (9), in motion process, disc tool magazine roller (7) is pressed in the surface of Z axis curve piece (9) all the time.