CN205032973U

CN205032973U - Clamping device of machine tool

Info

Publication number: CN205032973U
Application number: CN201520744501.0U
Authority: CN
Inventors: 纪大进; 庄嘉宝; 纪冠钰
Original assignee: Yangyi Machinery Co Ltd
Current assignee: Yangyi Machinery Co Ltd
Priority date: 2015-09-24
Filing date: 2015-09-24
Publication date: 2016-02-17
Anticipated expiration: 2025-09-24

Abstract

The utility model discloses a clamping device of machine tool, a drive arrangement who is connected including three at least pivotal parts and with pivotal part power, it mainly is through making the pivotal part centre gripping treat the work piece of processing, and is rotatory by drive arrangement drive pivotal part again, the pivotal part and drive the rotatory and then messenger's work piece of work piece can stable rotation in by these pivotal part centre grippings, owing to the utility model discloses consequently clamping device of machine tool can be balanced and rocked in order to reach balanced state by the at least three pivotal part holding workpiece that mutually supports, makes the work piece in that to add man -hour better firm, and it provides one kind and can reduce and rock, reduce the clamping device of machine tool of machining error in order to promote the processing product value to borrow this to reach.

Description

The clamping device of toolroom machine

Technical field

The utility model relates to a kind of toolroom machine, particularly about a kind of clamping device of toolroom machine.

Background technology

Toolroom machine is the indispensable important pushing hands of modern society industrial development, general toolroom machine is usually used in precision cutting metal to produce the metal parts of other machines or processing, in order to processing work, toolroom machine presents mutual motion between workpiece and cutter, reached the effect of processing, toolroom machine generally can in order to be shaped, to cut and to be connected.

Most toolroom machine is provided with sandwiched workpiece to be processed because mission requirements are all configured with a chuck, the chuck major part of known means machine is the chuck of three-pawl type or four-jaw type, as shown in Figure 1, it comprises Gripper body 40 and three claws 41, described each claw 41 movable is arranged at described Gripper body 40, a grasping part 42 is formed between each claw 41, by the position of each claw of displacement 41 to control the size of described grasping part 42, and then the workpiece of clamping various sizes;

Toolroom machine is adding man-hour, for grinding machine, clamp workpiece to be processed by described claw 41, and order about described Gripper body 40 and rotate, rotate to drive workpiece, by an emery wheel of grinding machine, workpiece to be processed is processed again, but, known chuck is while clamping workpiece also rotates, due to only by each described claw 41 single-point sandwiched workpiece, therefore inevitable by trickle the rocking and deviation of generation, and then reduce the quality of processing, therefore, need one to reduce to rock, reduce mismachining tolerance to promote the clamping device of the toolroom machine of processing performance number.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of clamping device of toolroom machine, and its main purpose is to provide a kind of can reduction and rocks, reduces mismachining tolerance to promote the clamping device of toolroom machine of processing performance number.

For solving the problems of the technologies described above, the utility model provides a kind of clamping device of toolroom machine, comprising:

One pedestal, has a holder and a slip base, and described slip base is in the face of described holder, slip base and holder interval one distance, the direction that definition holder extends to slip base is one radial, and described holder maintains static, and described slip base can radially displacement;

At least three pivotal parts, pivotablely be arranged at described pedestal, these pivotal parts described run through a pivot respectively, described pivot is hubbed at described pedestal, these pivotal parts are cylindric, and these pivotal parts are provided with clamping one workpiece, and described workpiece setting is between these pivotal parts, at least one pivotal part is arranged at described slip base, and at least one pivotal part is arranged at described holder; And

One drive unit, is connected with pivotal part power described at least one, and described drive unit rotates in order to drive described pivotal part.

From aforementioned, the clamping device of the utility model toolroom machine is mainly by making these pivotal parts described clamp workpiece to be processed, pivotal part is driven again by described drive unit, workpiece is driven to rotate and then enable workpiece in the rotation of the Simultaneous Stabilization clamped by these pivotal parts, because the clamping device of the utility model toolroom machine to be cooperatively interacted holding workpiece by least three pivotal parts, therefore, it is possible to the state reaching balance is rocked in payment, described workpiece is made to add better firm in man-hour, reaching whereby provides one to reduce to rock, reduce mismachining tolerance to promote the object of the clamping device of the toolroom machine of processing performance number.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

Fig. 1 is the chuck of known means machine three-pawl type;

Fig. 2 is the stereogram of the clamping device of the utility model toolroom machine;

Fig. 3 is the illustrative view of the clamping device of the utility model toolroom machine;

Fig. 4 is the front view of the clamping device of the utility model toolroom machine;

Fig. 5 is the partial enlarged drawing of the clamping device of the utility model toolroom machine;

Fig. 6 is the partial enlarged drawing of another embodiment of clamping device of the utility model toolroom machine;

Fig. 7 is the partial enlarged drawing of another embodiment of clamping device of the utility model toolroom machine.

Wherein description of reference numerals is as follows:

Gripper body 40 claw 41

Grasping part 42 pedestal 10

Holder 11 first end 111

Second end 112 slip base 12

Pivotal part 20 pivot 21

Drive unit 30 emery wheel L

Workpiece S central point S1

Radial X vertical direction Y

Detailed description of the invention

The clamping device of the utility model toolroom machine, as shown in Figures 1 to 7, comprising:

One pedestal 10, there is holder 11 and a slip base 12, described slip base 12 is in the face of described holder 11, slip base 12 and holder 11 interval one distance, the direction that definition holder 11 extends to slip base 12 is a radial X, and described holder 11 maintains static, and described slip base 12 can radially X displacement, described holder 11 has first end 111 and one second end 112, and it is a vertical direction Y that described first end 111 extends to described second end 112;

At least three pivotal parts 20, pivotablely be arranged at described pedestal 10, these pivotal parts 20 described are in cylindric, these pivotal parts 20 are provided with clamping a workpiece S to be processed, described workpiece S has a central point S1, workpiece S is arranged between these pivotal parts 20, at least one pivotal part 20 is arranged at described slip base 12, at least one pivotal part 20 is arranged at described holder 11, in the utility model first embodiment, as shown in Figures 5 and 6, these pivotal parts 20 described run through a pivot 21 respectively, described pivot 21 is hubbed at described pedestal 10, the quantity of described pivotal part 20 is three, described slip base 12 has a pivotal part 20, described holder 11 has two pivotal parts 20, preferably, arrange along described vertical direction Y at the pivot 21 of two pivotal parts 20 of described holder 11, be positioned on same radial X at the pivot 21 of the pivotal part 20 of described slip base 12 with the central point S1 of described workpiece S, in the utility model second embodiment, as shown in Figure 7, the quantity of described pivotal part 20 is four, described slip base 12 has two pivotal parts 20, described holder 11 has two pivotal parts 20, arrange along described vertical direction Y at two pivotal parts 20 of described slip base 12, arrange along described vertical direction Y at two pivotal parts 20 of described holder 11, and

One drive unit 30, is connected with pivotal part described at least one 20 power, and in the utility model first embodiment, described drive unit 30 is connected with pivotal part 20 power being hubbed at slip base 12, and described drive unit 30 rotates in order to drive described pivotal part 20.

Details are as follows in use for the clamping device of the utility model toolroom machine, first workpiece S to be processed is placed between each pivotal part 20, and slip base 12 described in rear drive radially X move towards described holder 11, until each pivotal part 20 holding workpiece S, restart described drive unit 30, at least one pivotal part 20 is driven to rotate by drive unit 30, drive workpiece S and other pivotal parts 20 to rotate by driven pivotal part 20 simultaneously, enable workpiece S in the rotation of the Simultaneous Stabilization clamped by these pivotal parts 20, finally by an emery wheel L, described workpiece S is processed again.

From aforementioned, the clamping device of the utility model toolroom machine is mainly by making these pivotal parts 20 described clamp workpiece S to be processed, pivotal part 20 is driven again by described drive unit 30, workpiece S is driven to rotate and then enable described workpiece S in the rotation of the Simultaneous Stabilization clamped by these pivotal parts 20, because the clamping device of the utility model toolroom machine to be cooperatively interacted holding workpiece S by least three pivotal parts 20, and the holding workpiece S of three pivotal part 20 dynamic rotaries, therefore, it is possible to the state reaching balance is rocked in payment, described workpiece S is made to add better firm in man-hour, reaching whereby provides one to reduce to rock, reduce mismachining tolerance to promote the object of the clamping device of the toolroom machine of processing performance number.

By specific embodiment, the utility model has been described in detail above, but these are not formed restriction of the present utility model.When not departing from the utility model principle, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection domain of the present utility model.

Claims

1. a clamping device for toolroom machine, is characterized in that, comprising:

2. the clamping device of toolroom machine according to claim 1, is characterized in that: the quantity of described pivotal part is three, and described slip base has a pivotal part, and described holder has two pivotal parts.

3. the clamping device of toolroom machine according to claim 2, it is characterized in that: described holder has a first end and one second end, it is a vertical direction that described first end extends to described second end, arranges along described vertical direction at the pivot of two pivotal parts of described holder.

4. the clamping device of toolroom machine according to claim 2, is characterized in that: described workpiece has a central point, is positioned in same radial direction at the pivot of the pivotal part of described slip base and the central point of described workpiece.

5. the clamping device of toolroom machine according to claim 1, is characterized in that: the quantity of described pivotal part is four, and described slip base has two pivotal parts, and described holder has two pivotal parts.

6. the clamping device of toolroom machine according to claim 5, it is characterized in that: described holder has a first end and one second end, it is a vertical direction that described first end extends to described second end, arrange along described vertical direction at the pivot of two pivotal parts of described slip base, arrange along described vertical direction at the pivot of two pivotal parts of described holder.

7. the clamping device of toolroom machine according to claim 1, is characterized in that: described drive unit is connected with the pivotal part power being hubbed at described slip base.