CN205763958U - Primary and secondary claw assembly and oild chuck device - Google Patents

Abstract

The utility model discloses a sub-mother claw assembly for being installed on a hydraulic chuck, which comprises a mother claw and a sub-claw; two rows of female claw claw components are arranged on the female claw, and each row of female claw claw components includes at least Two female claw claws; wherein, a female claw claw groove is formed between any two adjacent female claw claws in each row of female claw claw members; two rows of child claw claw members are provided on the child claws , each row of sub-claw claw members includes at least two sub-claw claws; wherein, a sub-claw clip slot is formed between any adjacent two sub-claw claws in each row of sub-claw claw members; each row of female claw clips At least one female claw of the claw member is engaged in a sub-claw engaging groove, and at least one sub-claw engaging claw of each row of sub-claw claw members is engaged in a female claw engaging groove. The utility model also discloses a hydraulic chuck device. The sub-mother claw assembly and the hydraulic chuck device provided by the utility model have simple structure, stable connection, are convenient for assembly and disassembly, and improve the safety performance of disassembly.

Description

Child claw assembly and hydraulic chuck device

technical field

The utility model relates to the technical field of hydraulic chuck components, in particular to a sub-mother jaw assembly and a hydraulic chuck device.

Background technique

The hydraulic chuck is a component for clamping workpieces installed on the machine tool, and the chuck is provided with a female jaw and a sub-jaw on the female jaw. The internal driving member can drive the female jaw and the sub-jaw to move toward the center of the chuck, thereby clamping the workpiece to be processed.

In the prior art, the sub claws are all installed on the female claws by bolts. Bolts need to be removed for operation every time it is disassembled, which is inconvenient for disassembly and installation. When disassembling, it is also necessary to be equipped with protective gloves to avoid bruising due to inertia when the operator exerts too much force.

Utility model content

The purpose of the utility model is to overcome the defects in the prior art, and provide a sub-female jaw assembly and a hydraulic chuck device which are easy to assemble and disassemble.

The technical scheme of the utility model provides a sub-mother claw assembly for being installed on a hydraulic chuck, including a female claw and a sub-claw matched on the female claw; two rows of parallel claws are arranged on the female claw The female claw claw member, each row of the female claw claw member includes at least two female claw claws arranged at intervals in the length direction of the female claw; wherein, any of the female claw claw members in each row A female claw groove is formed between two adjacent female claw claws; two rows of parallel claw claw members are arranged on the child claws, and each row of the child claw claw members includes at least Two sub-jaw claws arranged at intervals in the length direction of the sub-jaws; wherein, a sub-jaw is formed between any two adjacent sub-jaw claws in each row of the sub-jaw claw members Slot; at least one of the female claw claws in each row of the female claw claw members is engaged in one of the child claw claws, and at least one of the child claw claw members in each row is The claws are engaged in one of the female claws.

Further, a positioning boss is provided on the top surface of the female claw of the female claw; two rows of the claw members of the female claw are respectively arranged on the two boss sides of the positioning boss, and each row of the The claws of the female claws in the claw member of the female claws are all extended towards the direction away from the side of the boss; accommodating grooves are formed on the bottom surface of the claws of the claws; two rows of the claws of the claws The claw members are respectively arranged on the side surfaces of the two claws of the claws, and the claws of the claws in each row of the claw claws of the claws are all extended toward the female claw; the positioning boss accommodates in the accommodating groove.

Further, the end of the claw of the sub-claw is provided with an extension end extending toward the side of the positioning boss, and the extension end is engaged in the groove of the female claw; the end of the claw of the female claw is located at the In the slot of the sub-jaw.

Further, a positioning flange is provided at one end of the positioning boss; a positioning groove is provided on one side of the accommodating groove; and the positioning flange fits in the positioning groove.

Further, the positioning flange is arranged in an arc shape, and correspondingly, the positioning groove is also arranged in an arc shape.

Further, a female claw positioning hole is provided on the female claw, and a positioning pin is arranged in the female claw positioning hole, and the positioning pin is extended toward the sub-claw; a sub-claw is provided on the sub-claw Claw positioning hole, the positioning pin fits in the sub-claw positioning hole.

Further, a driving spring for driving the positioning pin to move up and down along the positioning hole of the female claw is provided between the positioning pin and the positioning hole of the female claw.

Further, the female claw and the claw member of the female claw are integrally formed; the sub-claw and the claw member of the sub-claw are integrally formed.

Further, one end of the sub-claw has a working end for pressing against a workpiece, and the working end protrudes from the female claw.

The technical solution of the utility model also provides a hydraulic chuck device, including a hydraulic chuck and the sub-mother jaw assembly described in any of the aforementioned technical solutions; at least three groups of the sub-mother jaws are evenly distributed on the hydraulic chuck assembly; the female claws in the sub-female claw assembly are arranged along the radial direction of the hydraulic chuck, and are slidably connected with the hydraulic chuck.

Adopt above-mentioned technical scheme, have following beneficial effect:

By setting the claws of the female claws and the grooves of the female claws on the female claws, the claws of the child claws and the grooves of the child claws are set on the child claws. When installing, the claws of the female claws are engaged in the grooves of the child claws, and the The claws are engaged in the grooves of the female claws, which is convenient for positioning, installation and disassembly.

Therefore, the sub-female jaw assembly and the hydraulic chuck device provided by the utility model have simple structure, stable connection, and are convenient for assembly and disassembly.

Description of drawings

Fig. 1 is the three-dimensional view of the sub-female claw assembly provided by the utility model;

Fig. 2 is a cross-sectional view of the sub-female claw assembly shown in Fig. 1;

Figure 3 is a perspective view of the female claw;

Fig. 4 is the three-dimensional view of child claw;

Fig. 5 is the sectional view of child claw;

Fig. 6 is a perspective view of the hydraulic chuck device provided by the present invention.

Reference sign comparison table:

100-female claw assembly; 1-female claw; 11-female claw top surface;

12-female positioning hole; 13-positioning boss; 14-positioning flange;

15-boss side; 2-sub claw; 20-sub claw side;

21-jaw positioning hole; 22-working end; 23-jaw bottom surface;

24-Accommodating groove; 25-Positioning groove; 3-Female claw claw member;

31-female claw claw; 32-female claw groove; 4-child claw claw member;

41-jaw claw; 42-jaw slot; 43-extension end;

5-location pin; 6-drive spring; 7-workpiece;

200-hydraulic chuck device; 201-hydraulic chuck.

detailed description

The specific embodiment of the utility model will be further described below in conjunction with the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in FIGS. 1-5 , an embodiment of the present invention provides a sub-claw assembly 100 for installation on a hydraulic chuck, including a female jaw 1 and a sub-jaw 2 fitted on the female jaw 1 .

Two rows of female claw claw members 3 arranged in parallel are arranged on the female claw 1 , and each row of female claw claw members 3 includes at least two female claw claws 31 arranged at intervals along the length direction of the female claw 1 .

Wherein, a female claw locking groove 32 is formed between any two adjacent female claw claws 31 in each row of female claw claw members 3 .

Two rows of sub-jaw claw members 4 arranged in parallel are arranged on the sub-jaw 2 , and each row of sub-jaw claw members 4 includes at least two sub-jaw claws 41 arranged at intervals along the length direction of the sub-jaw 2 .

Wherein, a sub-jaw locking groove 42 is formed between any two adjacent sub-jaw claws 41 in each row of sub-jaw claw members 4 .

At least one female claw claw 31 in each row of female claw claw members 3 is engaged in a child claw engaging groove 41, and at least one child claw claw 41 in each row of child claw claw members 4 is engaged in a female claw claw. In the jaw slot 32.

That is, the sub-claw assembly 100 is mainly used to be installed on the hydraulic chuck 201 shown in FIG. 6 for clamping the workpiece 7 to be processed.

The female claw assembly 100 is mainly composed of a female claw 1 and a child claw 2 . The female jaw 1 is used to be installed on the hydraulic chuck 201 , and the sub-jaw 2 is fitted on the female jaw 1 . The driving member in the hydraulic chuck 201 can drive the female claw 1 to move along the radial direction of the hydraulic chuck 201 , thereby driving the sub-jaw 2 to move toward the center of the hydraulic chuck 201 to clamp the workpiece 7 .

Two rows of female claw claw members 3 are arranged on the female claw 1 , and the two rows of female claw claw members 3 are arranged in parallel on both sides of the female claw 1 and extend along the length direction of the female claw 1 .

Each row of female claw claw members 3 includes at least two female claw claws 31, and the at least two female claw claws 31 are arranged at intervals in the length direction of the female claw 1, so that any adjacent two female claws A female claw groove 32 is formed between the claws 31 .

The claw 31 of the female claw is preferably arranged horizontally on the female claw 1 and extends toward the outside of the female claw 1 .

Two rows of sub-jaw claw members 4 are arranged on the sub-jaw 2 , and the two rows of sub-jaw claw members 4 are arranged in parallel on both sides of the sub-jaw 2 and extend along the length direction of the sub-jaw 2 .

Each row of sub-jaw claw members 4 includes at least two sub-jaw claws 41, and the at least two sub-jaw claws 41 are arranged at intervals in the length direction of the sub-jaw 2, so that any adjacent two sub-jaw claws 41 is formed with a sub-jaw engaging groove 42 .

The sub-jaw claw 41 is preferably vertically arranged on the sub-jaw 2 and extends toward the lower side of the sub-jaw 2 .

During assembly, at least one female claw claw 31 in each row of female claw claw members 3 is engaged in a child claw clamping groove 41, and at least one child claw claw 41 in each row of child claw claw member 4 is engaged. Engaged in a female claw slot 32.

Preferably, multiple or three female jaw claws 31 in each row of female claw claw members 3 are engaged in multiple or three child claw claws 41, and multiple or three female claw claws 31 in each row of child claw claw members 4 are engaged. One or three sub claws 41 are engaged in multiple or three female claw slots 32 to improve connection stability.

Therefore, the sub-claw assembly provided by the utility model does not need to be connected by bolts. By engaging the claws of the sub-claws in the grooves of the female claws and the claws of the female claws in the grooves of the sub-claws, a stable connection, which improves the convenience and safety of assembly and disassembly.

Preferably, as shown in FIGS. 3-5 , a positioning boss 13 is provided on the top surface 11 of the female claw 1 .

Two rows of female claw claw members 3 are respectively arranged on the two boss side faces 15 of the positioning boss 13, and the female claw claws 31 in each row of female claw claw members 3 extend toward the direction away from the boss side face 15 set up.

An accommodating groove 24 is formed on the sub-jaw bottom surface 23 of the sub-jaw 2 .

The two rows of sub-jaw claw members 4 are respectively arranged on the two sub-jaw side surfaces 20 of the sub-jaw 2 , and the sub-jaw claws 41 in each row of sub-jaw claw members 4 extend toward the female claw 2 .

The positioning boss 13 is accommodated in the accommodation groove 24 .

By arranging the positioning boss 13 on the top surface of the female claw, and setting the accommodation groove 24 on the bottom surface 24 of the child claw, when assembling, the positioning boss 13 is matched in the accommodation groove 24, which is convenient for positioning and installation.

The claw member 3 of the female claw is arranged on the side surface 15 of the boss, and the claw 31 of the female claw extends outward horizontally, so as to facilitate matching with the groove 42 of the female claw.

The sub-claw claw member 4 is arranged on the side surface 20 of the sub-claw, and the sub-claw claw 41 extends vertically downward or toward the side of the female paw 1 , so as to cooperate with the groove 32 of the female paw.

Preferably, as shown in FIG. 4 , the end of the sub-claw claw 41 is provided with an extension end 43 extending toward the side of the positioning boss 13 , and the extension end 43 is engaged in the groove 32 of the female claw. The end is located in the sub-claw slot 42, so as to prevent the female claw claw 31 from protruding outside the sub-claw 2 and affecting the smoothness of the surface.

Preferably, as shown in Figure 3 and Figure 5, one end of the positioning boss 13 is provided with a positioning flange 14, and one side of the accommodating groove 24 is provided with a positioning groove 25, and the positioning flange 14 fits in The positioning groove 24 is convenient for positioning during assembly and improves the convenience of installation.

Preferably, the positioning flange 14 is disposed on the end of the positioning boss 13 close to the center of the hydraulic chuck 201 .

Preferably, the positioning flange 14 is arranged in an arc shape, and correspondingly, the positioning groove 24 is also arranged in an arc shape. The positioning flange 14 is set in an arc shape, and the positioning groove 24 is also set in an arc shape, so as to avoid the deviation of the two when mating and improve the accuracy of positioning.

Preferably, as shown in FIGS. 1-5 , a female claw positioning hole 12 is provided on the female claw 1 , and a positioning pin 5 is arranged in the female claw positioning hole 12 , and the positioning pin 5 extends toward the child claw 2 .

A sub-jaw positioning hole 21 is arranged on the sub-jaw 2 , and the positioning pin 5 fits in the sub-jaw positioning hole 21 .

By providing the positioning pin 5, the positioning can be realized by inserting the end of the positioning pin 5 into the positioning hole 21 of the claw during installation, which improves the convenience of assembly and positioning.

The positioning hole 12 of the female claw can pass through the positioning boss 13 .

Preferably, as shown in Figure 2, a driving spring 6 for driving the positioning pin 5 to move up and down along the positioning hole 12 of the female claw is arranged between the positioning pin 5 and the positioning hole 12 of the female claw, and the positioning pin 5 can be adjusted to extend out of the female claw. The height of the jaw is 1 for easy assembly and disassembly.

Preferably, as shown in Figures 1-5, the female jaw 1 and the female jaw claw member 3 are integrally formed; the sub-jaw 2 and the sub-jaw claw member 4 are integrally formed to improve structural strength.

Preferably, as shown in FIG. 1 , one end of the subjaw 2 has a working end 22 for clamping the workpiece, and the working end 22 protrudes outside the female jaw 1 to facilitate clamping the workpiece 7 during use.

The working end 22 is specifically located at the front end of the jaw 2 .

As shown in FIG. 6 , a hydraulic chuck device 200 provided by an embodiment of the present invention includes a hydraulic chuck 201 and the sub-female jaw assembly 100 described in any one of the foregoing technical solutions.

On the hydraulic chuck 201 , there are at least three sets of sub-female jaw assemblies 100 , and the female jaws 1 in the sub-female jaw assembly 100 are arranged along the radial direction of the hydraulic chuck 201 and are slidably connected with the hydraulic chuck 201 .

The structure, structure and working principle of the female claw assembly 100 have been described in detail in the previous part, and will not be repeated here.

At least three sets of sub-female jaw assemblies 100 are arranged on the hydraulic chuck 201 for realizing the function of clamping the workpiece 7 .

Wherein, the female claw 1 is arranged radially along the hydraulic chuck 201, and the female claw 1 is slidably connected with the hydraulic chuck 201. Under the action of the driving member in the hydraulic chuck 201, the female claw 1 can move along the hydraulic chuck 201 Radial sliding, so as to drive all the sub-jaws 2 to move toward the center of the hydraulic chuck 201 to clamp the workpiece 7 .

To sum up, the sub-mother jaw assembly and the hydraulic chuck device provided by the utility model have simple structure, stable connection, easy assembly and disassembly, and improved safety performance of disassembly.

According to needs, the above technical solutions can be combined to achieve the best technical effect.

What has been described above is only the principle and preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, several other modifications can be made on the basis of the principle of the utility model, which should also be regarded as the protection scope of the utility model.

Claims (10)

1. for the primary and secondary claw assembly being arranged on oild chuck, including female pawl with cooperation in institute State the sub-pawl on female pawl；

It is characterized in that, described female pawl is provided with female pawl jaw member that two rows be arranged in parallel, Often arrange described female pawl jaw member and include that at least two is arranged at interval on the length direction of described female pawl Female pawl claw；

Wherein, often arrange arbitrary neighborhood in described female pawl jaw member two described female pawl claws it Between be formed with female pawl draw-in groove；

Described sub-pawl is provided with the sub-pawl jaw member that two rows be arranged in parallel, often arranges described sub-pawl Jaw member includes at least two spaced sub-pawl claw on the length direction of described sub-pawl；

Wherein, often arrange arbitrary neighborhood in described sub-pawl jaw member two described sub-pawl claws it Between be formed with sub-pawl draw-in groove；

Often arrange the described female pawl claw of at least one in described female pawl jaw member to be fastened on described in one In sub-pawl draw-in groove, often arrange the described sub-pawl claw of at least one in described sub-pawl jaw member and be fastened on In one described female pawl draw-in groove.

Primary and secondary claw assembly the most according to claim 1, it is characterised in that at described female pawl It is provided with positioning boss on female pawl end face；

Described in two rows, female pawl jaw member is separately positioned on two boss side surfaces of described positioning boss On, and often arrange the described female pawl claw in described female pawl jaw member both facing to away from described boss side The direction in face is extended；

The sub-pawl bottom surface of described sub-pawl is formed with containing groove；

Sub-pawl jaw member described in two rows is separately positioned on two sub-pawl sides of described sub-pawl, and Often arrange the described sub-pawl claw in described sub-pawl jaw member extended both facing to described female pawl；

Described positioning boss is contained in described containing groove.

Primary and secondary claw assembly the most according to claim 2, it is characterised in that

The end of described sub-pawl claw is provided with the elongated end extended towards described positioning boss side, institute State elongated end to be fastened in described female pawl draw-in groove；

The end of described female pawl claw is positioned at described sub-pawl draw-in groove.

Primary and secondary claw assembly the most according to claim 2, it is characterised in that at described convex One end of platform is provided with locating flange；

The side of described containing groove is provided with detent；

Described locating flange coordinates in described detent.

Primary and secondary claw assembly the most according to claim 4, it is characterised in that described locating flange Curved setting, correspondingly, the most curved setting of described detent.

6., according to the primary and secondary claw assembly described in any claim in claim 1-5, its feature exists In, described female pawl is provided with hole, female pawl location, in hole, described female pawl location, is provided with location Pin, described alignment pin is extended towards described sub-pawl；

Being provided with hole, sub-pawl location on described sub-pawl, described detent fit positions at described sub-pawl In hole.

Primary and secondary claw assembly the most according to claim 6, it is characterised in that described alignment pin with It is provided with between hole, described female pawl location for driving described alignment pin along hole, described female pawl location The driving spring of lower movement.

Primary and secondary claw assembly the most according to claim 7, it is characterised in that described female pawl and institute State female pawl jaw member one-body molded；Described sub-pawl and described sub-pawl jaw member are one-body molded.

Primary and secondary claw assembly the most according to claim 1, it is characterised in that the one of described sub-pawl End has the working end for top tight workpiece, and described working end stretches out in outside described female pawl.

10. an oild chuck device, it is characterised in that include oild chuck and claim 1-9 Primary and secondary claw assembly described in middle any claim；

Described oild chuck is evenly equipped with primary and secondary claw assembly described at least three groups；

Female pawl in described primary and secondary claw assembly is along the radial arrangement of described oild chuck, and with described Oild chuck is slidably connected.