CN202556774U - Oil-pressure type die clamp fastener - Google Patents

Abstract

The utility model discloses an oil-pressure type die clamp fastener and provides a die clamp fastener for realizing the efficacies that a die can be placed on or dismantled from a machine table more quickly and can be positioned more stably. The oil-pressure type die clamp fastener mainly comprises a base body, an oil hydraulic cylinder, a disc-shaped elastic sheet, a clamping rod, a linkage shaft and a sealing cover, wherein the clamping rod is provided with a clamping block and a connecting base; the sealing cover is provided with a straight rail hole; a large-aperture main shaft hole is arranged on a driving head of a telescopic rod of the oil hydraulic cylinder; the diameter of the linkage shaft is smaller than that of the main shaft hole, and small-diameter eccentric shafts are arranged at the two sides of the linkage shaft; the linkage shaft is eccentrically combined with the main shaft hole; and through the eccentric connection, the telescopic rod can generate effects of deflection and lifting the clamping rod when expanding and contracting, so that the efficacies of quickly and stably clamping the die or loosening the die are realized.

Description

Hydraulic type mould claming holder

Technical field

The utility model relates to a kind of hydraulic type mould claming holder can make mould put when board uses; Can press from both sides the location fast; But and utmost point strong fix, when removing, can loosen fast, reach auxiliary mould tear open, organize when board easily and fast, the firm effect of better practicality.

Background technology

When die device uses at board; Must give fixing, and the mode of existing fixed mould, all be set as: board is laid with the conduit of the shape of falling T; The bolt (being the spiral shell head embeds in the conduit) with spiral shell head is organized in confession; Cooperate one than large tracts of land again, have the clamping and fixing block of screw, make clamping and fixing block be sandwiched in the mold periphery top and with the screw threaded packing it, reach the purpose of folder fixed mold; Above-mentioned prior art has disadvantage in fact:

(1) must, packing clamping and fixing block sealed with manual work, extremely time-consuming, effort.Otherwise, when desiring to move mould, also must loosen with manual work.

(2) with the packing of manpower lock, its coupling mechanism force still has not enough existing picture, causes the location steadiness effect of mould relatively poor.

(3) screw tight repeatedly, loosen, thread has wear problems, causes degree of blocking not good.

(4) mould has the existing picture of vibrations or other active force in use, and bolt thread sealed has gradually loosening problem.

The utility model content

The main purpose of the utility model is to improve the shortcoming of above-mentioned prior art; And a kind of hydraulic type mould claming holder is provided; It mainly is set as by oil hydraulic cylinder, eccentric couple axle eccentric shaft, clamping bar, straight rail hole closing cap and constitutes, and oil hydraulic cylinder expansion link driving head is provided with the large aperture spindle hole and supplies the combined eccentricity couple axle, and produces the effect that eccentric swing and straight line go up and down when obtaining the input oil pressure; Form that the manpower-free is sealed can press from both sides fixed mold fast; Otherwise, also can loosen mould fast, reach easy to use, effect fast.And fixed through the oil pressure folder, oil pressure can be complied with to be needed to set size, thereby makes that the steadiness of jig is good, and does not have thread because of the loosening problem of vibrations, only if let out except that oil pressure, otherwise can keep absolute folder to decide effect.

For achieving the above object, the utility model provides a kind of hydraulic type mould claming holder, and it comprises: a pedestal, an oil hydraulic cylinder, a clamping bar, a couple axle, two closing caps; Wherein, this pedestal is like " ㄇ " shape, and its bilateral is provided with positioning shaft hole; This oil hydraulic cylinder is fixed in pedestal top and has first, second and go into oilhole and lead to the hydraulic chamber in inside, innerly also is equiped with slide block, and group is provided with expansion link in the slide block, and the expansion link termination is provided with the wide-aperture driving head of tool, and again, the expansion link driving head passes the pedestal below; This clamping bar, the lower end has fixture block, and the upper end has the joint seat convex wall of " Qian " shape, and convex wall is provided with the rotation axis hole with pedestal positioning shaft hole same apertures; This couple axle; Its diameter is less than the spindle hole aperture of expansion link driving head; But can pass the rotation axis hole of pedestal positioning shaft hole, clamping bar joint seat convex wall, make driving head can be connected one, again with clamping bar; The couple axle both-end is provided with eccentric eccentric shaft, and the diameter of eccentric shaft changes the aperture in hole less than pedestal positioning shaft hole, the rotation of clamping bar joint seat convex wall; Again, closing cap is provided with the straight rail hole of strip, and the aperture in straight rail hole equals the diameter of couple axle eccentric shaft; Again; Closure plate is locked in the pedestal both sides, and its straight rail hole is corresponding to the pedestal positioning shaft hole, and the two ends eccentric shaft of couple axle is then worn and organized in the straight rail hole of closing cap; Through above-mentioned structure, oil hydraulic cylinder expansion link driving head makes clamping bar fixture block deflection angle supply to insert the fixed mould of desire folder and mould holder is fixed.

In the hydraulic type mould claming holder of the above, can add several pieces dish shape shell fragments, these several pieces dish shape shell fragments, cover is organized in the oil hydraulic cylinder slide block, and it also supports and is affixed on the oil hydraulic cylinder outside, and establishes a protecting cover cover and protect, and is able to the reinforcement clamp fixed mold through dish shape shell fragment.

In the hydraulic type mould claming holder of the above, between oil hydraulic cylinder expansion link driving head and clamping bar joint seat, can add a secondary spring and connect, thereby when beat clamping bar fixture block desire is returned original position, can quicken clamping bar fixture block homing.

Owing to take above technical scheme, the utlity model has following advantage: (1) folder is fixed, loosen mould, and manpower-free, manpower locking or the operation loosened fully obtains to use laborsaving, quick, convenient, effect easily.(2) with " powerful oil pressure " folder fixed mold, not, can get extremely strong big locating effect, make the location steadiness of mould good with " manpower " locking.(3) deciding with oil hydraulic cylinder expansion link, oil pressure folder, is not with " bolt, thread " locking, so, not having because of the loosening problem of vibrations, fastness is good.In sum, the structure of the utility model in the technical field of " mold position equipment ", be unprecedented innovation really, and the effect of being reached also has splendid practical effect really.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model.

Fig. 2 is the stereo appearance figure of the utility model.

Fig. 3 analyses and observe the sketch map of each action phase for the utility model side-looking, wherein: (A) initial (B) clamping bar decline (C) clamping bar beat (D) folder fixed mold.

Fig. 4 installs the cutaway view of inductor additional for the utility model, wherein: (A) face (B) side-looking.

The main element symbol description:

1 board, 16 spindle holes, 31 convex walls

2 moulds, 17 slide blocks, 32 rotation axis holes

10 pedestals, 18 dish shape shell fragments, 33 clamping bars

11 positioning shaft holes, 19 protecting covers, 34 fixture blocks

12 oil hydraulic cylinders, 20 couple axles, 40 secondary springs

13 first go into oilhole 21 eccentric shafts 41 upper limit inductors

14 second go into oilhole 22 closing caps 42 lower limit inductors

15 driving heads, 23 straight rail hole W hydraulic chamber

150 expansion links, 30 joint seats.

The specific embodiment

See also Fig. 1, Fig. 2, Fig. 3, comprise: a pedestal 10, an oil hydraulic cylinder 12, a clamping bar 30, a couple axle 20, two closing caps 22 and several pieces dish shape shell fragments 18; Wherein,

This pedestal 10 is like ㄇ shape (being appreciated that the rectangle frame shape into Open Side Down), and its bilateral is provided with positioning shaft hole 11;

This oil hydraulic cylinder 12; Being fixed in pedestal 10 tops has first, second and goes into oilhole 13,14 and lead to the W of hydraulic chamber in inside; Inside also is equiped with slide block 17, and group is provided with expansion link 150 in the slide block 17, and expansion link 150 terminations are provided with the wide-aperture driving head 15 of tool; Again, expansion link 150 driving heads 15 pass pedestal 10 belows;

This clamping bar 33, the lower end has fixture block 34, and the upper end has joint seat 30 convex walls 31 of " ㄩ " shape (being appreciated that the rectangle frame shape that makes progress for opening), and convex wall 31 is provided with the rotation axis hole 32 with pedestal 10 positioning shaft holes 11 same apertures;

This couple axle 20; Its diameter is less than spindle hole 16 apertures of expansion link 150 driving heads 15; But can pass the rotation axis hole 32 of pedestal 10 positioning shaft holes 11, clamping bar 33 joint seats 30 convex walls 31, make driving head 15 can be connected one, again with clamping bar 33; Couple axle 20 both-ends are provided with eccentric eccentric shaft 21, and the diameter of eccentric shaft 21 is less than the aperture in pedestal 10 positioning shaft holes 11, clamping bar 33 joint seats 30 convex walls 31 rotations commentaries on classics holes 32;

This closing cap 22 is provided with the straight rail hole 23 of strip, and the aperture in straight rail hole 23 equals the diameter of couple axle 20 eccentric shafts 21; Again, closure plate 22 is locked in pedestal 10 both sides, and its straight rail hole 23 is corresponding to pedestal 10 positioning shaft holes 11; 21 of the branch two ends eccentric shafts of couple axle 20 are worn and are organized in the straight rail hole 23 of closing cap 22: several pieces dish shape shell fragments 18; Cover is organized in oil hydraulic cylinder 12 slide blocks 17, and it also supports and is affixed on oil hydraulic cylinder 12 outsides, and establishes a protecting cover 19 covers and protect it;

30 of these oil hydraulic cylinder 12 expansion link l50 driving heads 15 and clamping bar 33 joint seats can add a secondary spring 40 and connect.

Like Fig. 3 (A), in board 1 desired location, oilhole 13 input oil pressure are gone into by first in the back with the utility model overall fixed; Shown in Fig. 3 (B), must make slide block 17, expansion link 150 and driving head 15 thereof produce down maneuver, when initial; Because of driving head 15 spindle holes 16 apertures big and receive closing cap 22 straight rail hole 23 straight lines restrictions (couple axle 20 eccentric shafts 21 plug together in straight rail hole 23) thus make couple axle 20 eccentric shafts 21, convex wall 31 joint seats 30 clamping bars 33 linearly descend, stroke limiting thereafter is in spindle hole 16 apertures of driving head 15; And couple axle 20 is eccentric supporting and is affixed on spindle hole 16 hole walls; So driving head 15 can make couple axle 20 produce " turning effort ", shown in Fig. 3 (C), during couple axle 20 rotations; Can make its eccentric shaft 21 produce the effect of displacement; That is eccentric shaft 21 can produce the active force of " on lift up shore ", can make convex wall 31 joint seats 30 clamping bars 33 fixture blocks 34 produce the action of " up having lifted up "; Just like the effect of swing clamping bar 33, can below board 1, insert the fixed mould 2 of institute's desire folder this moment.The back is shown in Fig. 3 (D), and the oil of oilhole 13 is gone in releasing first, and oil pressure disappears; Cooperate secondary spring 40 back stretch, and second go into oilhole 14 input oil pressure, and must make clamping bar 33 and fixture block 34 joint seats 30 convex walls 31 rapid homings thereof, be affixed on mould 2 and fixture block 34 is pressed from both sides; And, go into oilhole 14 input oil pressure because of second, slide block 17, expansion link 150 driving heads 15 are risen; And then can the powerful related clamping bar 33 that draws high, so clamping bar 33 fixture blocks 34 can powerfully press from both sides fixed mold 2.Otherwise above-mentioned counteragent can loosen mould 2.

Again, the utility model is provided with several pieces dish shape shell fragments 18, and it organizes in slide block 17 ends, cylinder body outside, and can produce compression elasticity, so can produce the tension of reinforcement, makes clamping bar 33 fixture blocks 34 obtain more powerful effect of pressing from both sides fixed mold 2.

In addition; The utility model can be established upper and lower limit inductor 41,42; As shown in Figure 4, at clamping bar 33 joint seats 30 beats when locating, can contact lower limit inductor 42 and make first go into oilhole 13 oil pressure pump stop action and stop into oil; Rise to when setting the position at expansion link 150 driving heads 15, can contact upper limit inductor 41 and stop second and go into oilhole 14 and go into oil.

According to above-mentioned technology, structure, Fig. 3 is the mould of the fixed top of folder, and the utility model also can use and be inversion, and can press from both sides the mould of the side of fixing.

Can know by above-mentioned explanation, the utlity model has following advantage:

(1) folder fixed, loosen mould, manpower-free, manpower locking or the operation loosened fully obtains to use laborsaving, quick, convenient, effect easily.

(2) with " powerful oil pressure " folder fixed mold, not, can get extremely strong big locating effect, make the location steadiness of mould good with " manpower " locking.

(3) deciding with oil hydraulic cylinder expansion link, oil pressure folder, is not with " bolt, thread " locking, so, not having because of the loosening problem of vibrations, fastness is good.In sum, the structure of the utility model in the technical field of " mold position equipment ", be unprecedented innovation really, and the effect of being reached also has splendid practical effect really.

Claims (3)

1. a hydraulic type mould claming holder is characterized in that, comprises: a pedestal, an oil hydraulic cylinder, a clamping bar, a couple axle, two closing caps; Wherein,

This pedestal is like " ㄇ " shape, and its bilateral is provided with positioning shaft hole;

This oil hydraulic cylinder is fixed in pedestal top and has first, second and go into oilhole and lead to the hydraulic chamber in inside, innerly also is equiped with slide block, and group is provided with expansion link in the slide block, and the expansion link termination is provided with the wide-aperture driving head of tool, and again, the expansion link driving head passes the pedestal below;

This clamping bar, the lower end has fixture block, and the upper end has the joint seat convex wall of " Qian " shape, and convex wall is provided with the rotation axis hole with pedestal positioning shaft hole same apertures;

This couple axle; Its diameter is less than the spindle hole aperture of expansion link driving head; But can pass the rotation axis hole of pedestal positioning shaft hole, clamping bar joint seat convex wall, make driving head can be connected one, again with clamping bar; The couple axle both-end is provided with eccentric eccentric shaft, and the diameter of eccentric shaft changes the aperture in hole less than pedestal positioning shaft hole, the rotation of clamping bar joint seat convex wall; Again, closing cap is provided with the straight rail hole of strip, and the aperture in straight rail hole equals the diameter of couple axle eccentric shaft; Again; Closure plate is locked in the pedestal both sides, and its straight rail hole is corresponding to the pedestal positioning shaft hole, and the two ends eccentric shaft of couple axle is then worn and organized in the straight rail hole of closing cap;

Through above-mentioned structure, oil hydraulic cylinder expansion link driving head makes clamping bar fixture block deflection angle supply to insert the fixed mould of desire folder and mould holder is fixed.

2. hydraulic type mould claming holder according to claim 1 is characterized in that, can add several pieces dish shape shell fragments; These several pieces dish shape shell fragments, cover is organized in the oil hydraulic cylinder slide block, and it also supports and is affixed on the oil hydraulic cylinder outside; And establish a protecting cover cover and protect, be able to the reinforcement clamp fixed mold through dish shape shell fragment.

3. hydraulic type mould claming holder according to claim 1 is characterized in that, between oil hydraulic cylinder expansion link driving head and clamping bar joint seat, can add a secondary spring and connect, thereby when beat clamping bar fixture block desire is returned original position, can quicken clamping bar fixture block homing.

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