CN216463191U - Automatic centering clamping mechanism - Google Patents

Abstract

The utility model relates to an automatic centering clamping mechanism, which comprises a fixed seat, a movable connecting seat arranged on one side of the fixed seat and a plurality of clamping blocks arranged on the connecting seat, wherein the clamping blocks are rotatably arranged on the connecting seat and are distributed at intervals along the circumferential direction of the connecting seat; the utility model discloses but automatic positioning clamping position increases convenience and stability among the centre gripping process.

Description

Automatic centering clamping mechanism

Technical Field

The utility model relates to an anchor clamps field, concretely relates to automatic centering clamping mechanism.

Background

In the in-process at modern processing production, anchor clamps are an indispensable partly structural component, anchor clamps are used for carrying out the centre gripping to the work piece usually and fix, present anchor clamps are when carrying out the centre gripping to the work piece, need the manual work to aim at anchor clamps with the end of treating of work piece to guarantee the centre gripping work piece that anchor clamps can be accurate, but waste time and energy like this, and need the staff to wait at the work piece next door at all, when the work piece was placed to the manual work simultaneously, also can't guarantee anchor clamps enough accuracy to the centre gripping of work piece, be unfavorable for the stability of anchor clamps when to the work piece centre gripping.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that exists among the prior art, provide one kind can fix a position the clamping position automatically, increase the convenience in the clamping process and the automatic centering clamping mechanism of stability.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides an automatic centering clamping mechanism, includes the fixing base, mobilizable connecting seat of locating fixing base one side, locates a plurality of grip blocks on the connecting seat, on the rotatable connecting seat of locating of grip block, and a plurality of grip blocks along the circumference interval distribution of connecting seat.

Further, connecting seat one side is equipped with the pick-up plate, and the pick-up plate passes through the telescopic link and links to each other with the connecting seat, and the one side that the grip block is close to the pick-up plate is equipped with the push rod, and the pick-up plate is the cooperation setting with the push rod.

Furthermore, one side of the detection plate is provided with a detection piece.

Furthermore, be equipped with shifting chute and drive track on the fixing base, the shifting chute is corresponding the setting with the drive track, and in the drive track was located to the slider is mobilizable, the connecting seat passed through the connecting rod and links to each other with the slider, and the connecting rod removes along the shifting chute.

Furthermore, one side of the sliding block, which is far away from the driving track, is connected with a ball in a rolling way.

Furthermore, connecting rod bilateral symmetry is provided with two at least slip groups, and the slip group is including locating the spacing frame of connecting rod one side, rotatable pulley of locating in the spacing frame, and pulley one side and the lateral wall laminating of shifting chute.

Furthermore, the moving groove is provided with an outer ring and an inner ring, the outer ring and the inner ring are both arranged in an annular structure, the diameter of the outer ring is larger than that of the inner ring, and the outer ring is communicated with the inner ring.

Furthermore, a reinforcing rib is arranged at the position where the connecting rod is connected with the connecting seat.

The utility model discloses when needs carry out the centre gripping fixed to the work piece, place the downside of fixing base with the work piece, drive a plurality of grip blocks through the mode of removing the connecting seat afterwards and remove, make a plurality of grip blocks remove to the upside of work piece under the drive of connecting seat, rotate the grip block afterwards, make a plurality of grip blocks grasp the work piece and treat each direction position of exposed core, and then carry out the centre gripping through the grip block to the work piece and fix, simultaneously because the connecting seat can carry out the automatic movement for the fixing seat, make the connecting seat drive the process that the grip block removed, it waits near to need not the staff, and then increased the grip block to the fixed convenience of work piece centre gripping, and because a plurality of grip blocks carry out the centre gripping simultaneously to the work piece and fix, consequently, stability when the work piece centre gripping is fixed has been increased.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is an isometric sectional view a-a of fig. 2.

Fig. 4 is a partially enlarged view of fig. 3.

In the figure, 1, a fixed seat; 2. a connecting seat; 3. a clamping block; 4. detecting a plate; 5. a telescopic rod; 6. a push rod; 7. a detection member; 8. a moving groove; 9. a drive rail; 10. a slider; 11. a connecting rod; 12. a ball bearing; 13. a limiting frame; 14. a pulley; 15. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting.

As shown in fig. 1-4, the utility model provides an automatic centering clamping mechanism, including fixing base 1, mobilizable connecting seat 2 of locating fixing base 1 one side, locate a plurality of grip blocks 3 on connecting seat 2, grip blocks 3 are rotatable locate on connecting seat 2, and a plurality of grip blocks 3 along the circumference interval distribution of connecting seat 2.

When needing to carry out the centre gripping fixed to the work piece, place the downside of fixing base with the work piece, drive a plurality of grip blocks through the mode of removing the connecting seat afterwards and remove, make a plurality of grip blocks remove the upside to the work piece under the drive of connecting seat, rotate the grip block afterwards, make a plurality of grip blocks grasp the work piece and treat each direction position of exposed core, and then carry out the centre gripping through the grip block to the work piece and fix, simultaneously because the connecting seat can carry out automatic movement for the fixing base, make the connecting seat drive the process that the grip block moved, need not staff and wait near, and then increased the convenience that the grip block was fixed to the work piece centre gripping, and because a plurality of grip blocks carry out the centre gripping simultaneously to the work piece and fix, consequently, stability when the work piece centre gripping is fixed has been increased.

Preferably, 2 one sides of connecting seat are equipped with pick-up plate 4, and pick-up plate 4 passes through telescopic link 5 and links to each other with connecting seat 2, and one side that grip block 3 is close to pick-up plate 4 is equipped with push rod 6, and pick-up plate 4 is the cooperation setting with push rod 6.

Specifically, when the grip block is rotated to carry out the centre gripping to the work piece and is fixed, the shrink telescopic link makes the pick-up plate shift up under the drive of telescopic link, simultaneously at the in-process that the pick-up plate shifted up, because the cooperation setting of pick-up plate and push rod, make the pick-up plate promote one side of grip block through the push rod, and then make the grip block rotate, carry out the centre gripping to the work piece through a plurality of grip blocks after the rotation afterwards, because the pick-up plate drives a plurality of grip blocks simultaneously and rotates the centre gripping, consequently, a plurality of grip blocks play the effect to the work piece simultaneously, further increase the accuracy of grip block when the work piece centre gripping.

In the preferred embodiment of this scheme, wear to be equipped with the pivot on the grip block, the pivot both ends are fixed on the connecting seat for the grip block can rotate round the pivot, is equipped with the torsional spring in the pivot simultaneously, and torsional spring one end is connected on the grip block, and the torsional spring other end is connected on the connecting seat, makes the pick-up plate after restoring to the throne under the drive of telescopic link, and the grip block resets through the elasticity of torsional spring, guarantees that the grip block can loosen the work piece by oneself.

In addition, the telescopic link in this scheme is air cylinder or pneumatic cylinder driven gas pole or hydraulic stem.

Preferably, the detection member 7 is provided on one side of the detection plate 4.

Specifically, the detection piece in this scheme is infrared detector, through the concrete position of infrared detector detection work piece for more accuracy when the connecting seat removes to work piece upside position.

Preferably, be equipped with shifting chute 8 and drive track 9 on the fixing base 1, shifting chute 8 is the corresponding setting with drive track 9, and slider 10 is mobilizable to be located in the drive track 9, and connecting seat 2 passes through connecting rod 11 and links to each other with slider 10, and connecting rod 11 moves along shifting chute 8.

Specifically, when needs remove the connecting seat, start the drive track and drive the slider and remove, the slider drives the connecting seat through the connecting rod afterwards and removes, the cooperation detects the piece, make the connecting seat can remove to accurate position by oneself, simultaneously because the setting of shifting chute, make the connecting rod when driving the connecting seat and remove, the connecting rod can remove along the shifting chute, avoided the connecting rod to touch the fixing base and the connecting seat that leads to the circumstances that rocks appears, improve the stability of connecting seat and grip block itself.

In the scheme, the driving track and the sliding block are electric tracks.

Preferably, a ball 12 is rollably connected to a side of the slider 10 remote from the drive rail 9.

Specifically, when the drive track drives the slider to move, the opposite side of slider contacts through the surface of ball and fixing base for the slider removes the in-process, and the opposite side of slider can support through ball and fixing base, and has also reduced the direct frictional force with the fixing base contact of slider, improves the steady when slider self removes.

Preferably, the connecting rod 11 bilateral symmetry is provided with two at least slip groups, and the slip group is including locating the spacing frame 13 of connecting rod 11 one side, rotatable pulley 14 of locating in spacing frame 13, and pulley 14 one side and the lateral wall laminating of shifting chute 8.

The connecting rod moves along the moving groove, and the connecting rod is arranged through the pulleys, so that one side of the connecting rod can keep a certain distance from the side wall of the moving groove through the pulleys, and the connecting rod is arranged in the sliding group symmetrically, so that the two sides of the connecting rod can keep a certain distance from the side wall of the moving groove, and further the connecting rod can not shake when moving, and meanwhile, the friction force between the pulleys and the side wall of the moving groove is reduced because the pulleys are rotatably arranged in the limiting frame, so that the connecting rod can move more stably in the moving groove.

Preferably, the moving groove 8 has an outer ring and an inner ring, both of which are arranged in an annular structure, the diameter of the outer ring is larger than that of the inner ring, and the outer ring is communicated with the inner ring.

Specifically, because the shifting chute is to being because of setting up with the drive track, consequently the drive track also has outer lane and inner circle, and through the setting of outer lane and inner circle for the shift position of connecting seat is more nimble, can remove in the annular structure of different diameters, and then can find the position of work piece more easily, and because outer lane and inner circle are communicating, consequently need not to install a plurality of connecting seats, can guarantee that the connecting seat removes to the position that needs.

Preferably, a reinforcing rib 15 is provided at a position where the connecting rod 11 is connected to the connecting socket 2.

The utility model discloses a connecting stability between connecting rod and the connecting seat is guaranteed through the setting of strengthening rib, avoids the connecting seat the condition that rocks to appear.

In this scheme, the strengthening rib is the setting of conical structure.

The part of the utility model which is not described in detail is the prior art, so the utility model does not detail it.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Although the terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims (8)

1. The utility model provides an automatic centering clamping mechanism which characterized in that: the clamping device comprises a fixing seat (1), a movable connecting seat (2) arranged on one side of the fixing seat (1) and a plurality of clamping blocks (3) arranged on the connecting seat (2), wherein the clamping blocks (3) are rotatably arranged on the connecting seat (2), and the plurality of clamping blocks (3) are distributed at intervals along the circumferential direction of the connecting seat (2).

2. The self-centering clamping mechanism as claimed in claim 1, wherein: connecting seat (2) one side is equipped with pick-up plate (4), and pick-up plate (4) link to each other with connecting seat (2) through telescopic link (5), and one side that grip block (3) are close to pick-up plate (4) is equipped with push rod (6), and pick-up plate (4) are the cooperation setting with push rod (6).

3. The self-centering clamping mechanism as recited in claim 2, further comprising: one side of the detection plate (4) is provided with a detection piece (7).

4. The self-centering clamping mechanism as claimed in claim 1, wherein: be equipped with shifting chute (8) and drive track (9) on fixing base (1), shifting chute (8) are corresponding the setting with drive track (9), and slider (10) is mobilizable locate drive track (9) in, and connecting seat (2) link to each other with slider (10) through connecting rod (11), and connecting rod (11) are followed shifting chute (8) and are removed.

5. The self-centering clamping mechanism as recited in claim 4, further comprising: the side of the slide block (10) far away from the driving track (9) is connected with a ball (12) in a rolling way.

6. The self-centering clamping mechanism as recited in claim 4, further comprising: connecting rod (11) bilateral symmetry is provided with two at least slip groups, and the slip group is including locating spacing frame (13) of connecting rod (11) one side, rotatable pulley (14) of locating in spacing frame (13), and pulley (14) one side and the lateral wall laminating of shifting chute (8).

7. The self-centering clamping mechanism as claimed in claim 4, wherein: the moving groove (8) is provided with an outer ring and an inner ring which are both arranged in an annular structure, the diameter of the outer ring is larger than that of the inner ring, and the outer ring is communicated with the inner ring.

8. The self-centering clamping mechanism as claimed in claim 4, wherein: a reinforcing rib (15) is arranged at the position where the connecting rod (11) is connected with the connecting seat (2).

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