CN203418347U

CN203418347U - Direct-connection type spindle synchronization tool striking mechanism

Info

Publication number: CN203418347U
Application number: CN201320376986.3U
Authority: CN
Inventors: 刘怡君
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2014-02-05
Anticipated expiration: 2023-06-28

Abstract

The utility model discloses a direct-connection type spindle synchronization tool striking mechanism which comprises a tool striking drive mechanism. The tool striking drive mechanism enables a tool striking arm connected to a spindle seat in a swinging mode through a tool striking arm swing shaft to swing, a tool unclamping bearing is connected to the tool striking arm in a rotary mode, the tool unclamping bearing is pressed on a tool pressing face of a tool unclamping ring, the tool unclamping ring is arranged in a direct-acting type spindle and can carry out longitudinal motion relative to the direct-acting type spindle, the tool unclamping ring is in linkage with a pulling rod, the pulling rod is sleeved with a disc spring, clamping claws are arranged at the lower end of the pulling rod, the clamping claws are arranged at the upper portion, matched with the tail end of a tool, of a conical hole, a mandrel is also arranged in an automatic tool changing mechanism, one end of the mandrel drives a signal sensing wheel to rotate, two sensing areas are arranged in the axial direction of the signal sensing wheel, and a first approach switch and a second approach switch corresponding to the two sensing areas respectively are arranged.

Description

Associated mode spindle synchronous knife machining mechanism

Technical field

The utility model relates to a kind of knife machining mechanism, particularly a kind of associated mode spindle synchronous knife machining mechanism.

Background technology

Traditional machining center generally has a set of knife-changing system, this knife-changing system mainly utilizes one can rotate and flexible tool change arm is realized the exchange of cutter between tool magazine and machining spindle, while is by pull bar and the claw structure of machining spindle inside, when tool change arm moves to below the cutter of machining spindle, coordinate the upper and lower displacement of the axle of forging a knife move to realize clamping or discharge cutter, to reach the object of tool changing.

Wherein the rotation of tool change arm mainly utilizes motor driven to drive, the longitudinal action of axle of forging a knife in main shaft relies on air pressure or Driven by Hydraulic Cylinder pull bar to realize, this traditional version cannot realize the object of rapid changing knife, reason is in exchanging knives process, tool change arm needs the cutter on first fastening machining spindle, and the axle of forging a knife in machining spindle can length travel be realized loose cutter action; That is to say that the button cutter of tool change arm and the loose cutter of main shaft are not to complete simultaneously, but have the ordinal relation of a priority, this action be not one continuously, without the action of breakpoint and pause point, therefore cannot realize rapid changing knife.

Summary of the invention

The utility model is in order to solve the existing above-mentioned deficiency of prior art, a kind of design is proposed ingenious, rationally distributed, can realize the loose cutter that presss from both sides of tool change arm fastening cutter and main shaft and carry out the also object of execution, associated mode spindle synchronous knife machining mechanism quick to realize, smooth, continuous, that move without pause point tool changing simultaneously.

Technical solution of the present utility model is: a kind of associated mode spindle synchronous knife machining mechanism, the automatic tool changer 2 that comprises disc tool magazine 1 and match with it, the bottom of automatic tool changer 2 is provided with tool change arm 3, tool change arm 3 can be done and stretch out under the effect of automatic tool changer 2, rotation, the action of reclaiming, be provided with knife machining mechanism 4 with one end of tool change arm 3 matches, knife machining mechanism 4 is arranged on spindle drum 5, it is characterized in that: described knife machining mechanism 4 comprises the driving mechanism 6 of forging a knife, the driving mechanism 6 of forging a knife can allow the arm 20 of forging a knife being connected on spindle drum 5 by arm swing axle 19 swings of forging a knife swing, on the arm 20 of forging a knife, be rotatably connected to loose cutter shaft and hold 21, pine cutter shaft holds 21 and is pressed on the push type broach face 22 of loose cutter ring 8, pine cutter ring 8 is arranged in associated mode main shaft 7 and can does lengthwise movement with respect to associated mode main shaft 7, pine cutter ring 8 and pull bar 9 interlocks, outside pull bar 9, be socketed with disk spring 10, the lower end of pull bar 9 is provided with claw 11, claw 11 is positioned at taper hole 13 tops that match with cutter 12 tail ends, in automatic tool changer 2, be also provided with an axle 14, one end of axle 14 drives induction of signal wheel 15 to rotate, along induction of signal wheel 15, be axially provided with two induction zones, be provided with the first approach switch 16 and the second approach switch 17 with these two induction zones match respectively.

The described driving mechanism 6 of forging a knife is a cylinder 18 of forging a knife longitudinally arranging.

The described driving mechanism 6 of forging a knife comprises that one is arranged on the cam 23 of axle 14 other ends, be provided with swing arm 24 with cam 23 matches, the part that swing arm 24 contacts with cam 23 is roller 25, the other end of swing arm 24 is hinged on rocking arm 26; one end of rocking arm 26 swings and is connected on the housing of knife machining mechanism 4; other end of rocking arm 26 is connected with the top of connecting rod 27 by rotating shaft, and the one end away from the arm swing axle 19 of forging a knife on the bottom of connecting rod 27 and the arm 20 of forging a knife is rotationally connected.

On the working end of the described cylinder 18 of forging a knife, be provided with the bar 28 of forging a knife, at the arm 20 of forging a knife, be provided with the end that the bar 28 of forging a knife matches the roller 29 of forging a knife, arm 20 bottoms of forging a knife of close roller 29 one end of forging a knife are also provided with back-moving spring 30.

Compared with the existing technology, tool has the following advantages the utility model:

The knife machining mechanism of this kind of version, for traditional knife machining mechanism, need tool change arm first cutter to be fastened, then the axle of forging a knife action allows claw send the course of action of cutter existing: action must have sequencing, cause tool-changing speed slower, course of action is not smooth, there is the problems such as pause point, design a kind of special construction of the approach switch that utilizes induction of signal wheel and match, this knife machining mechanism can judge according to the rotation of induction of signal wheel, and in the process that tool change arm rotates, control in advance the preparation that the axle of forging a knife is made loose cutter, when tool change arm motion puts in place, during by cutter fastening on main shaft, main shaft is loose cutter simultaneously, realize the seamless link of two actions.This knife machining mechanism can be realized smoothness, without the tool changing pausing, move, and is rapid changing knife truly, therefore can say that it has possessed multiple advantage, is particularly suitable for applying in the art, and its market prospects are very wide.

Accompanying drawing explanation

Fig. 1 is the stereogram of the utility model embodiment.

Fig. 2 is the side view of the utility model embodiment mono-.

Fig. 3 is the cutaway view of the utility model embodiment mono-.

Fig. 4 is the cutaway view of the utility model embodiment mono-mandrel segment.

Fig. 5 is the cutaway view of the utility model embodiment associated mode main shaft.

Fig. 6 is the cutaway view one of the utility model embodiment bis-.

Fig. 7 is front view and the side view of the utility model embodiment bis-motion states one.

Fig. 8 is front view and the side view of the utility model embodiment bis-motion states two.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.As shown in Figures 1 to 8: a kind of associated mode spindle synchronous knife machining mechanism, the automatic tool changer 2 that comprises disc tool magazine 1 and match with it, the bottom of automatic tool changer 2 is provided with tool change arm 3, tool change arm 3 can be done and stretch out under the effect of automatic tool changer 2, rotation, the action of reclaiming, be provided with knife machining mechanism 4 with one end of tool change arm 3 matches, automatic tool changer 2 and knife machining mechanism 4 are all arranged on spindle drum 5, knife machining mechanism 4 comprises the driving mechanism 6 of forging a knife, this driving mechanism 6 of forging a knife can allow the arm 20 of forging a knife swing, the arm 20 of forging a knife is swung and is connected on spindle drum 5 by the arm swing axle 19 of forging a knife, on the arm 20 of forging a knife, be rotatably connected to loose cutter shaft and hold 21, this loose cutter shaft holds 21 upper surfaces that are pressed in the push type broach face 22 of loose cutter ring 8, loose cutter ring 8 is arranged on associated mode main shaft 7 inside, and can do motion longitudinally with respect to associated mode main shaft 7, pine cutter ring 8 can with pull bar 9 interlocks that are arranged on equally associated mode main shaft 7 inside, outside pull bar 9, be socketed with disk spring 10, in the lower end of pull bar 9, be provided with claw 11, claw 11 is positioned at the top of taper hole 13, taper hole 13 matches with the tail end of cutter 12, in the inside of automatic tool changer 2, be provided with a rotary axle 14, one end of this axle 14 is provided with induction of signal wheel 15, along induction of signal wheel 15 be axially provided with two different induction zones, these two induction zones correspond respectively to the first approach switch 16 and the second approach switch 17,

The above-mentioned driving mechanism 6 of forging a knife has two kinds of forms, one of them cylinder 18 of forging a knife for longitudinally arranging, and the place, working end at the cylinder 18 of forging a knife is also provided with the bar 28 of forging a knife, the one end being positioned on the arm 20 of forging a knife below the bar 28 of forging a knife is provided with the roller 29 of forging a knife, and is also provided with back-moving spring 30 near the forge a knife below of arm 20, roller 29 one end of forging a knife;

The another kind of form of driving mechanism 6 of forging a knife is a set of cam mechanism, its concrete structure is as follows: the other end in axle 14 is provided with a cam 23, be provided with swing arm 24 with cam 23 matches, the part that this swing arm 24 contacts with cam 23 is provided with roller 25, the other end of swing arm 24 is hinged on rocking arm 26, one end of rocking arm 26 swings and is connected on the housing of knife machining mechanism 4, the other end is connected with the top of connecting rod 27 by rotating shaft, and the bottom of connecting rod 27 is rotationally connected with one end of the arm 20 of forging a knife, and connecting rod 27 is the one end away from the arm swing axle 19 of forging a knife with the link of the arm 20 of forging a knife.

The course of work of the associated mode spindle synchronous knife machining mechanism of the utility model embodiment mono-is as follows: when control system is sent tool changing signal to automatic tool changer 2, the motor starting of automatic tool changer 2, automatic tool changer 2 drives tool change arm 3 actions, when tool change arm 3 rotations approach to button cutter position, approach the cutter 12 on disc tool magazine 1 and associated mode main shaft 7, induction wheel 15 rotates under the drive of axle 14, when the first induction zone triggers the second approach switch 17, signal is passed to the driving mechanism 6(that the forges a knife cylinder 18 of forging a knife), the bar 28 of forging a knife of cylinder 18 working ends of forging a knife moves downward, and contact with the roller 29 of forging a knife, under the effect of lever principle, the arm 20 of forging a knife can be take and forged a knife arm swing axle 19 as fulcrum is to lower swing, thereby realize the pressing action to loose cutter ring 8, pull bar 9 moves downward, claw 11 loosening cutters 12, realize loose cutter action, now tool change arm 3 is just by cutter 12 fastenings and pull out from taper hole 13, tool change arm 3 moves down, after Rotate 180 degree, again rise and approach to button cutter position, then the second approach switch 17 leaves the first induction zone, stop signal, the driving mechanism 6(that the forges a knife cylinder 18 of forging a knife) reset, tool change arm 3 arrives button cutter position simultaneously, the pull bar 9 of associated mode main shaft 7 is under the effect at disk spring 10, drive on claw 11 and draw, the tail end fastening of the cutter 12 in taper hole 13 will be inserted into, be arranged on the main shaft back-moving spring 30 of arm 20 belows arm 20 tops of forging a knife of forging a knife and get back to initial position, complete the main shaft 7 of associated mode and the cutter on disc tool magazine 1 to changing jobs, automatic tool changer 2 motor operations, take tool change arm 3 to initial position, the first proximity switch 16 passes to Kong Xi System processed by signal after receiving induction, automatic tool changer 2 quits work, be the rotational frequency of induction of signal wheel 15 just and tool change arm 3, the period of motion and the frequency of cylinder 18 of forging a knife matches, by induction of signal, take turns 15 induction of signal and move the unification of beat, final realization fast, without the tool changing action pausing.

The course of work of the associated mode spindle synchronous knife machining mechanism of the utility model embodiment bis-is as follows: when control system is sent tool changing signal to automatic tool changer 2, the motor starting of automatic tool changer 2, the 15 continual rotations under the drive of axle 14 of induction of signal wheel, automatic tool changer 2 drives tool change arm 3 actions, tool change arm 3 rotates to detaining after cutter position, and approaches the cutter 12 on disc tool magazine 1 and associated mode main shaft 7, and the cam 23 that is arranged on axle 14 other ends also can be done the rotation of same rotational speed under the drive of axle 14, in the process that cam 23 rotates, the swing arm 24 that can promote contact with it swings, because the upper end of swing arm 24 is hinged on the middle part of rocking arm 26, and one end of rocking arm 26 swings on the housing that is connected to knife machining mechanism 4, therefore realize the wobbling action of rocking arm 26 other ends, when rocking arm 26 swings, the connecting rod 27 being arranged on rocking arm 26 just can drive the arm 20 of forging a knife of its lower end to lower swing, under the effect of lever principle, the arm 20 of forging a knife can be take and forged a knife arm swing axle 19 as fulcrum is to lower swing, thereby realize the pressing action to loose cutter ring 8, pull bar 9 moves downward, claw 11 loosening cutters 12, realize loose cutter action, now tool change arm 3 is just by cutter 12 fastenings and pull out from taper hole 13, tool change arm 3 moves down, after Rotate 180 degree, again rise to button cutter position, when tool change arm 3 moves to button cutter position, the turned position of cam 23 just can be after motion be transmitted, allowing forges a knife on arm 20 lifts, get back to initial position, now under the effect of disk spring 10, pull bar 9 drives on claws 11 and draws, and by the cutter 12 tail end fastenings that are inserted in taper hole 13, completes cutter on associated mode main shaft 7 and disc tool magazine 1 to changing jobs.It is poor that the loose cutter/folder cutter that drives associated mode main shaft 7 to do due to cam 23 and the drive mechanism that matches with it moves life period, and this time difference period of motion and frequency lucky and automatic tool changer 2 matches, by the rotation of axle 14, carry out the unification of each mechanism action beat, realize fast, without the tool changing pausing, move.

Claims

1. an associated mode spindle synchronous knife machining mechanism, the automatic tool changer (2) that comprises disc tool magazine (1) and match with it, the bottom of automatic tool changer (2) is provided with tool change arm (3), tool change arm (3) can be done and stretch out under the effect of automatic tool changer (2), rotation, the action of reclaiming, be provided with knife machining mechanism (4) with one end of tool change arm (3) matches, knife machining mechanism (4) is arranged on spindle drum (5), it is characterized in that: described knife machining mechanism (4) comprises the driving mechanism of forging a knife (6), the driving mechanism (6) of forging a knife can allow the arm of forging a knife (20) being connected on spindle drum (5) by arm swing axle (19) swing of forging a knife swing, on the arm of forging a knife (20), be rotatably connected to loose cutter shaft and hold (21), pine cutter shaft holds on the push type broach face (22) that (21) be pressed in Song Daohuan (8), pine cutter ring (8) is arranged in associated mode main shaft (7) and can does lengthwise movement with respect to associated mode main shaft (7), pine cutter ring (8) and pull bar (9) interlock, outside pull bar (9), be socketed with disk spring (10), the lower end of pull bar (9) is provided with claw (11), claw (11) is positioned at taper hole (13) top matching with cutter (12) tail end, in automatic tool changer (2), be also provided with an axle (14), one end of axle (14) drives induction of signal wheel (15) to rotate, along induction of signal wheel (15), be axially provided with two induction zones, be provided with the first approach switch (16) and the second approach switch (17) with these two induction zones match respectively.

2. associated mode spindle synchronous knife machining mechanism according to claim 1, is characterized in that: the described driving mechanism of forging a knife (6) is a cylinder of forging a knife (18) longitudinally arranging.

3. associated mode spindle synchronous knife machining mechanism according to claim 1, it is characterized in that: the described driving mechanism of forging a knife (6) comprises that one is arranged on the cam (23) of axle (14) other end, be provided with swing arm (24) with cam (23) matches, the part that swing arm (24) contacts with cam (23) is roller (25), the other end of swing arm (24) is hinged on rocking arm (26), one end of rocking arm (26) swings and is connected on the housing of knife machining mechanism (4), the other end of rocking arm (26) is connected with the top of connecting rod (27) by rotating shaft, the bottom of connecting rod (27) is rotationally connected with the upper one end away from the arm swing axle (19) of forging a knife of the arm (20) of forging a knife.

4. associated mode spindle synchronous knife machining mechanism according to claim 2, it is characterized in that: on the working end of the described cylinder of forging a knife (18), be provided with the bar of forging a knife (28), in the arm of forging a knife (20) and the end that the bar (28) of forging a knife matches, be provided with the roller of forging a knife (29), the arm of forging a knife (20) bottom of close roller (29) one end of forging a knife is also provided with back-moving spring (30).