CN219357982U - Compaction chuck - Google Patents

Abstract

The utility model relates to the technical field of chucks and discloses a compaction chuck which comprises a chuck main body, wherein one side of the chuck main body is connected with a cover plate, one side of the cover plate movably penetrates through a pull rod, the inner side wall of the chuck main body is slidably connected with a first sliding plate, one side of the first sliding plate is hinged with three first connecting rods, one end of each first connecting rod, which is far away from the first sliding plate, is hinged with a second connecting rod, and is connected with a push rod end of an oil hydraulic cylinder of a machine tool through the pull rod.

Description

Compaction chuck

Technical Field

The utility model relates to the technical field of chucks, in particular to a compression chuck.

Background

The chuck is a mechanical device on a machine tool for clamping a workpiece. The workpiece is clamped and positioned by the radial movement of the movable claws uniformly distributed on the chuck body. The chuck is generally composed of a chuck body, movable jaws and a jaw drive mechanism 3.

When the existing chuck clamps a workpiece, the three clamping jaws move towards the axis of the chuck to clamp the workpiece positioned on one side of the positioning seat, and the clamping surfaces of the clamping jaws are planes, so that the workpiece with the planar clamping surfaces can be clamped only conventionally.

Disclosure of Invention

The present utility model is directed to a pressing chuck for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compress tightly chuck, includes chuck main part, chuck main part one side is connected with the apron, apron one side activity is run through has the pull rod, chuck main part inside wall sliding connection has first slide, first slide one side articulates there is the first connecting rod of quantity for three, first connecting rod is kept away from first slide one end and is articulated has the second connecting rod, second connecting rod one end is connected with the jack catch, chuck main part one side is fixed with the supporting seat of quantity for three, supporting seat one side articulates there is the third connecting rod, one side of third connecting rod articulates in one side of second connecting rod, chuck main part one side is fixed with and is located three the positioning seat of jack catch one side, jack catch one side is equipped with coupling assembling.

Preferably, the connecting assembly comprises three lock rods and three fixing frames, wherein sliding grooves which are connected to the outer sides of the lock rods in a sliding mode are formed in the fixing frames, and a second sliding plate is fixed on one side of each lock rod.

Preferably, the inner side of the sliding groove is slidably connected to the outer side of the second sliding plate, and a spring is connected between one side of the second sliding plate and the inner side wall of the sliding groove.

Preferably, a locking groove adapted to the outer side of the lock rod is formed in one side of the clamping jaw, and a limiting groove adapted to one side of the clamping jaw is formed in one side of the second connecting rod.

Preferably, one side of the three fixing frames is fixed to one side of the second connecting rod, and the lock rod is rectangular.

Preferably, the outer sides of the three first connecting rods sequentially penetrate through one side of the chuck main body and one side of the supporting seat.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

1. when the pull rod is connected with the push rod end of the oil hydraulic cylinder of the machine tool, the first sliding plate slides to the right side, so that the three first connecting rods hinged to one side of the first sliding plate move to the right side, the second connecting rods and the third connecting rods rotate around the circle centers of the first connecting rods and the third connecting rods respectively, the clamping claw inserted into one side of the limiting groove is clamped on the surface of the workpiece, the clamping process of the workpiece can be completed, the workpiece clamping speed is high, the operation is simple, the use is convenient, the workpiece can be clamped when the clamping position of the workpiece is inclined, and the universality of the chuck during clamping is improved.

2. Through pulling the locking lever to one side in proper order, the second slide slides in the inboard of spout for the spring atress compresses, makes the locking lever leave the inboard of locked groove, and to the outside pulling jack catch of spacing groove, can be very convenient take out the jack catch this moment, avoid the bolt that needs unscrewing threaded connection just can change the jack catch, reduced the jack catch and when changing, the time spent has improved the maintenance efficiency who compresses tightly the chuck.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first left-hand cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a second left-hand cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the appearance structure of the present utility model;

FIG. 4 is a schematic diagram of the front view structure of the present utility model;

FIG. 5 is a schematic view of a cross-sectional structure of a fixing frame of the present utility model;

fig. 6 is a schematic diagram of a three-dimensional structure of a claw according to the present utility model.

Reference numerals illustrate: 1. a chuck body; 2. a first slide plate; 3. a cover plate; 4. a pull rod; 5. a positioning seat; 6. a claw; 7. a connection assembly; 71. a lock lever; 72. a second slide plate; 73. a fixing frame; 74. a spring; 75. a chute; 76. a locking groove; 77. a limit groove; 8. a first link; 9. a support base; 10. a second link; 11. and a third link.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a compress tightly chuck, including chuck body 1, chuck body 1 one side is connected with apron 3, the outside of three first connecting rod 8 is movable in proper order runs through in one side of chuck body 1 and supporting seat 9, apron 3 one side activity is run through there is pull rod 4, be connected apron 3 with the lathe, simultaneously be connected the push rod end of the oil hydraulic cylinder of pull rod 4 and lathe, then the work piece is placed in one side of locating seat 5, chuck body 1 inside wall sliding connection has first slide 2, first slide 2 one side articulates there is the first connecting rod 8 that is three in quantity, first connecting rod 8 is kept away from first slide 2 one end and articulates there is the second connecting rod 10, second connecting rod 10 one end is connected with jack catch 6, chuck body 1 one side is fixed with the supporting seat 9 that is three in quantity, supporting seat 9 one side articulates there is the third connecting rod 11, one side of third connecting rod 11 articulates in one side of second connecting rod 10, chuck body 1 one side is fixed with the locating seat 5 that is located three jack catch 6 one side, then three first connecting rod 2 one side articulated first connecting rod 8 moves to the right side for second connecting rod 10 and third connecting rod 11 rotate around it and insert the jack catch 6 respectively and make the centre gripping face of a clamp the work piece one side of the centre gripping face of a clamp 6, make the centre gripping face of a clamp the work piece be equipped with the jack catch 7, the centre gripping face is fast, work piece clamping assembly can be accomplished.

The connecting assembly 7 comprises three lock rods 71 and three fixing frames 73, wherein sliding grooves 75 are formed in the three fixing frames 73 and are connected to the outer sides of the lock rods 71 in a sliding mode, the second sliding plates 72 are fixed to one sides of the lock rods 71, the lock rods 71 are sequentially pulled to one sides, the second sliding plates 72 slide on the inner sides of the sliding grooves 75, the springs 74 are compressed in a stressed mode, the inner sides of the sliding grooves 75 are connected to the outer sides of the second sliding plates 72 in a sliding mode, the springs 74 are connected between one sides of the second sliding plates 72 and the inner side walls of the sliding grooves 75, the lock rods 71 leave the inner sides of the locking grooves 76, the clamping claws 6 are pulled to the outer sides of the limiting grooves 77, the clamping claws 6 can be conveniently taken out, the locking grooves 76 which are matched with the outer sides of the lock rods 71 are formed in a mode through pulling the lock rods 71, the limiting grooves 77 which are matched with one sides of the clamping claws 6 are formed in a mode, the fact that bolts which are in a unscrewed mode are required to be connected in a threaded mode can be replaced for the clamping claws 6 are avoided, time spent when the clamping claws 6 are replaced is reduced, the fact that the clamping claws are compressed is improved, the one sides of the three fixing frames 73 are fixed to the side of the locking frames are fixed to the side of the lock rods 71, and the shape of the cuboid.

Working principle: when the workpiece is required to be clamped, the cover plate 3 is connected with the machine tool, meanwhile, the pull rod 4 is connected with the push rod end of the oil hydraulic cylinder of the machine tool, then the workpiece is placed on one side of the positioning seat 5, when the workpiece is required to be clamped and fixed, the push rod end pushes the pull rod 4, the first sliding plate 2 slides to the right side, the three first connecting rods 8 hinged to one side of the first sliding plate 2 move to the right side, the second connecting rods 10 and the third connecting rods 11 rotate around the hinged circle centers of the first connecting rods respectively, the clamping jaws 6 inserted into one side of the limiting grooves 77 are clamped on the surface of the workpiece, so that the workpiece clamping process can be completed.

When the clamped workpiece is required to be loosened, the pull rod 4 is pulled to the left side through the oil cylinder, the first sliding plate 2 is enabled to move to the left side at the moment, the first connecting rod 8, the second connecting rod 10 and the third connecting rod 11 are enabled to rotate around the hinge point, the clamping jaw 6 is enabled to leave the outer side of the workpiece, and the workpiece can be taken down at the moment.

When the jack catch 6 is worn and torn for a long time, only need to pull the locking lever 71 to one side in proper order for the second slide plate 72 slides in the inboard of spout 75, makes spring 74 atress compression, makes locking lever 71 leave the inboard of locked groove 76, pulls jack catch 6 to the outside of spacing groove 77 this moment, can be very convenient take out jack catch 6 this moment, can take off jack catch 6 through pulling locking lever 71, avoid needing unscrewing threaded connection's bolt can change jack catch 6, when having reduced jack catch 6 and changing, the time spent has improved the maintenance efficiency who compresses tightly the chuck.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims (6)

1. A compaction chuck comprising a chuck body (1), characterized in that: the novel chuck is characterized in that a cover plate (3) is connected to one side of the chuck body (1), a pull rod (4) is movably penetrated on one side of the cover plate (3), a first sliding plate (2) is slidably connected to one side of the inner side wall of the chuck body (1), three first connecting rods (8) are hinged to one side of the first sliding plate (2), a second connecting rod (10) is hinged to one end of the first connecting rod (8) away from the first sliding plate (2), a clamping jaw (6) is connected to one end of the second connecting rod (10), three supporting seats (9) are fixed to one side of the chuck body (1), a third connecting rod (11) is hinged to one side of the third connecting rod (11), three positioning seats (5) are arranged on one side of the clamping jaw (6), and a connecting assembly (7) is arranged on one side of the clamping jaw (6).

2. A compression chuck as in claim 1, wherein: the connecting assembly (7) comprises three lock rods (71) and three fixing frames (73), sliding grooves (75) which are connected to the outer sides of the lock rods (71) in a sliding mode are formed in the fixing frames (73), and second sliding plates (72) are fixed on one sides of the lock rods (71).

3. A compaction chuck according to claim 2, wherein: the inner side of the sliding groove (75) is connected to the outer side of the second sliding plate (72) in a sliding mode, and a spring (74) is connected between one side of the second sliding plate (72) and the inner side wall of the sliding groove (75).

4. A compaction chuck according to claim 3, wherein: a locking groove (76) which is adapted to the outer side of the lock rod (71) is formed in one side of the clamping jaw (6), and a limiting groove (77) which is adapted to one side of the clamping jaw (6) is formed in one side of the second connecting rod (10).

5. A compaction chuck according to claim 2, wherein: one side of the three fixing frames (73) is fixed on one side of the second connecting rod (10), and the lock rod (71) is rectangular.

6. A compression chuck as in claim 1, wherein: the outer sides of the three first connecting rods (8) sequentially penetrate through one side of the chuck main body (1) and one side of the supporting seat (9).