CN201410622Y

CN201410622Y - Vertical clamping device

Info

Publication number: CN201410622Y
Application number: CN2009200285513U
Authority: CN
Inventors: 王耀仪; 陈宁
Original assignee: LAIZHOU WEIYI EXPERIMENT MACHINE MANUFACTURING Co Ltd
Current assignee: LAIZHOU WEIYI EXPERIMENT MACHINE MANUFACTURING Co Ltd
Priority date: 2009-06-24
Filing date: 2009-06-24
Publication date: 2010-02-24
Anticipated expiration: 2019-06-24

Abstract

The utility model discloses a vertical clamping device used for vertically clamping a workpiece, which comprises a fixed seat, a rocker arm, a presser foot, a worm and a limit plate. One end of the rocker arm is movably connected with the upper end of the presser foot. The other end of the rocker arm is a worm gear. The worm gear is arranged in an inner chamber arranged on the fixed seat. A fixedshaft fixedly connected with the fixed seat is arranged in the center of the worm gear. The worm gear is engaged with the worm arranged on the fixed seat. The limit plate is arranged at the upper endof the fixed seat fixed on a workbench. The utility model has the advantages that the structure is more compact, the occupied space is small, the manufacturing cost is low, and the assembling, the disassembling and the movement are convenient; the labor strength is reduced, the work efficiency is improved, the operation is convenient, the clamped workpiece is more firm, and the workpiece is effectively prevented from loosing; the requirements on clamping workpieces of different shapes are satisfied through replacing presser feet of different structures; and the demand of clamping thicker workpieces can be satisfied through additionally arranging pads of different thicknesses between the fixed seat and the workbench.

Description

Vertical clamping device

Technical field

The utility model relates to a kind of anchor clamps that are used for clamping work pieces, particularly a kind of cutting machine vertical clamping device of clamping work pieces in vertical direction that is used for.

Background technology

At present, on cutting machine during processing work, adopt the presser type clamping structure with Work-sheet pressing on workbench; Above-mentioned presser type clamping structure is: cushion block and workpiece are positioned on the work top, and pressing plate is pressed on cushion block and the workpiece simultaneously, and the T type bolt that passes pressing plate is housed between cushion block and workpiece, and the end of this T type bolt is equipped with lock nut.The deficiency that exists is:

(1) above-mentioned presser type clamping structure need take the bigger installing space of machine, thereby has increased the volume and weight of equipment, has improved the manufacturing cost of equipment, carrying and mobile all inconvenient.

(2) need manual operation to come clamping work pieces, thereby troublesome poeration, labour intensity is big, inefficiency.

The utility model content

Technical problem to be solved in the utility model provides a kind of workpiece that clamps difformity and different-thickness that can be used in, and clamps more firmly, and structure is compactness more, it is little to take up room, low cost of manufacture can reduce labour intensity, the vertical clamping device of increasing work efficiency.

In order to solve the problems of the technologies described above, the utility model is taked following technical scheme: a kind of vertical clamping device comprises holder, rocking arm, presser feet, worm screw and the limiting plate that is packed on the workbench; One end of this rocking arm and the upper end of presser feet form and flexibly connect, and the other end of this rocking arm is a worm gear, and this worm gear is arranged in the inner chamber that holder is provided with, and are provided with the fixed axis that forms a fixed connection with holder in the center of rotation of worm gear; This worm gear is meshed with worm screw on being arranged on holder; On holder, be provided with limiting plate.

Be provided with cushion block between described holder and the workbench.

Described limiting plate is the L type, and the one end is fixed on the upper end of holder by screw, and the medial surface of its other end is positioned at through on the vertical plane at fixed axis center and the arc outer face of worm gear that can be when turning to maximum angle and contacts.

Described worm screw is provided with for erectting, and its working portion is arranged in the inner chamber that holder is provided with; The upper end of this worm screw is the square toes shape, and it is installed in the through hole of holder upper end by copper sheathing, and the lower end of this worm screw is installed in the through hole of holder lower end by shaft block ring.

The outer end of described fixed axis relatively is provided with two place's step surfaces, and one place step surface cuts away a sector and forms in the end, and it is fixed on the holder by screw; Its another place's step surface is the sector that protrudes in the fixed axis periphery, and it contacts with the counterbore end face that holder is provided with.

One end of described rocking arm inserts in the U-lag that presser feet top is provided with, and by straight pin the two is passed and to link together.

The lower surface of described presser feet is flat shape.The lower surface of described presser feet is ∧ shape.The lower surface of described presser feet is ∩ shape.

Compared with the prior art the utility model has the following advantages and good effect:

(1) this apparatus structure is compact more, and it is little to take up room, low cost of manufacture, loading and unloading, conveniently moving; Adopt manual clamping mode, reduce labour intensity, increase work efficiency, easy and simple to handle, clamp more firmly, can prevent effectively that workpiece from becoming flexible.

(2) by changing presser feet such as planar shaped, annular and the V-structure of different structure, can adapt to the clamping requirement of difformity such as planar shaped and cylindrical work.

(3) by between holder and workbench, setting up the cushion block of different-thickness, can satisfy the clamping needs of bigger thickness workpiece.

(4) the utility model is applicable to the workpiece that clamps in vertical direction, can with supporting uses such as cutting machine, grinder, easy and simple to handle, clamp firmly applied range.

Description of drawings

Fig. 1 is a main pseudosection of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the A-A cutaway view of Fig. 1;

Fig. 4 is the another kind of structural representation of presser feet;

Fig. 5 is another structural representation of presser feet;

Fig. 6 increases structural representation behind the cushion block for Fig. 1.

Description of symbols among Fig. 1-Fig. 6: 1, straight pin; 2, presser feet; 3, rocking arm; 4, limiting plate; 5, screw; 6, copper sheathing; 7, worm screw; 8, fixed axis; 9, holder; 10, shaft block ring; 11, soket head cap screw; 12, workbench; 13, screw; 14, cushion block; 15, screw; 3-1, worm gear.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.

As Fig. 1, Fig. 2 and shown in Figure 3, the vertical clamping device of the utility model comprises presser feet 2, rocking arm 3, limiting plate 4, worm screw 7, fixed axis 8, holder 9 and workbench 12; Wherein:

As shown in Figure 1, described holder 9 is provided with its upper end and the left side is the inner chamber of open state, and the right side part of this inner chamber is used to be provided with worm screw, and its left part is used to be provided with worm gear.One end of described rocking arm 3 is worm gear 3-1, and it is arranged in the inner chamber on the holder by being fixed on fixed axis 8 on the holder 9, and this fixed axis 8 is arranged on the center of rotation of worm gear; The other end of this rocking arm 3 inserts in the U-lag that presser feet 2 tops are provided with, and by straight pin 1 the two is passed and to link together.The lower end of this holder 9 is fixed on the workbench 12 by soket head cap screw 11, is provided with the open trough of opening towards the left side at the lower-left of holder end, and its effect is loading and unloading soket head cap screw 11 convenience; On rocking arm 3, be provided with through hole vertically, be used to load and unload screw 11.The left upper end corner of this holder 9 is arc-shaped structure.

As shown in Figure 2, the outer end of described fixed axis 8 relatively is provided with two place's step surfaces, and one place step surface cuts away a sector and forms, and it is fixed on the holder 9 by screw 13, to prevent fixed axis play laterally vertically; Its another place's step surface is the sector that protrudes in the fixed axis periphery, and it contacts with the counterbore end face that holder 9 is provided with, to prevent fixed axis play to the inside vertically.

The lower surface of described presser feet 2 is a clamping area, and it is flat shape, with reference to Fig. 1 and Fig. 3.Certainly,, can select and change difform presser feet, be used to clamp cylindrical workpiece as the presser feet that is ∩ shape among the presser feet that is ∧ shape among Fig. 5 and Fig. 4 according to the upper end shape of want clamping work pieces.

As shown in Figure 1, described worm screw 7 is installed for erectting, and its working portion is arranged in the inner chamber on holder right side; The upper end of this worm screw is installed in the through hole of holder upper end by copper sheathing 6, and its lower end is installed in the through hole of holder lower end by shaft block ring 10; This worm and wheel is meshed.The upper end of this worm screw is the square toes shape, is convenient to cooperate with special spanner.Worm-and-wheel gear has auto-lock function, and its advantage is: behind clamping work pieces, can prevent effectively that workpiece is loosening.

Described limiting plate 4 is the L type, and the one end is fixed on the upper end of holder 9 by screw 5; Its other end is positioned at the top of the cavity that holder 9 is provided with, the medial surface of this end is positioned on the vertical plane at process fixed axis center, the medial surface of this end can be when turning to maximum angle the arc outer face of worm gear 3-1 contact, thereby the rotational travel of worm gear is played position-limiting action.

As shown in Figure 1, the lower surface of presser feet 2 and the distance between the work top are 67mm in the present embodiment, and the angle between the arc outer face of above-mentioned worm gear and the inner face of limiting plate is 60 °; This rocking arm 3 is in a certain angle, and above-mentioned angle is 123 °, and its maximum rotational angle is 60 °, and the movement travel of corresponding presser feet can be the arbitrary value between 0～67mm.

As shown in Figure 6, in order to increase the impulse stroke of presser feet 2, satisfy the clamping requirement of bigger thickness workpiece, can between holder 9 and workbench 12, set up the cushion block 14 of different-thickness, the right side of this cushion block 14 is provided with open trough, by screw 15 cushion block 14 is fixed on the workbench 12.

The course of work of the present utility model is:

Clockwise rotate the upper end of worm screw 7, be transferred on the rocking arm 3, make rocking arm, move down by presser feet 2 along rotating counterclockwise by worm and worm gear, and clamping work pieces.

Rotate counterclockwise the upper end of worm screw 7, be transferred on the rocking arm 3, make rocking arm, move up by presser feet 2, and unclamp workpiece along clockwise rotating by worm and worm gear.

Claims

1, a kind of vertical clamping device is characterized in that,

Comprise the holder (9), rocking arm (3), presser feet (2), worm screw (7) and the limiting plate (4) that are packed on the workbench; The upper end of one end of wherein said rocking arm (3) and presser feet (2) forms and flexibly connects, the other end of this rocking arm is worm gear (3-1), this worm gear is arranged in the inner chamber that holder is provided with, at the fixed axis (8) that center of rotation is provided with and holder (9) forms a fixed connection of worm gear; This worm gear (3-1) is meshed with worm screw (7) on being arranged on holder; Described holder (9) is provided with limiting plate (4).

2, vertical clamping device according to claim 1 is characterized in that, is provided with cushion block (14) between described holder (9) and the workbench (12).

3, vertical clamping device according to claim 1 and 2, it is characterized in that, described limiting plate (4) is the L type, the one end is fixed on the upper end of holder (9) by screw (5), and the medial surface of its other end is positioned at through on the vertical plane at fixed axis center and the arc outer face of worm gear that can be when turning to maximum angle and contacts.

4, vertical clamping device according to claim 3 is characterized in that, described worm screw (7) is provided with for erectting, and its working portion is arranged in the inner chamber on the holder; The upper end of this worm screw is the square toes shape, and it is installed in the through hole of holder upper end by copper sheathing (6), and the lower end of this worm screw is installed in the through hole of holder lower end by shaft block ring (10).

5, vertical clamping device according to claim 4, it is characterized in that, the outer end of described fixed axis (8) relatively is provided with two place's step surfaces, and one place step surface cuts away a sector and forms in the end, and it is fixed on the holder (9) by screw (13); Its another place's step surface is the sector that protrudes in the fixed axis periphery, and it contacts with the counterbore end face that holder (9) is provided with.

6, vertical clamping device according to claim 5 is characterized in that, an end of described rocking arm (3) inserts in the U-lag that presser feet (2) top is provided with, and by straight pin (1) the two is passed and to link together.

7, vertical clamping device according to claim 6 is characterized in that, the lower surface of described presser feet (2) is flat shape.

8, vertical clamping device according to claim 6 is characterized in that, the lower surface of described presser feet (2) is ⌒ shape.

9, vertical clamping device according to claim 6 is characterized in that, the lower surface of described presser feet (2) is ∧ shape.