CN213105653U

CN213105653U - Machining clamp

Info

Publication number: CN213105653U
Application number: CN202021848891.3U
Authority: CN
Inventors: 李勇龙
Original assignee: Changsha Hetai Precision Machinery Co ltd
Current assignee: Changsha Hetai Precision Machinery Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-04
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a machining anchor clamps, include: a platform; the opposite sides of the two sliding blocks are provided with caulking grooves which are formed by extending downwards from the top surfaces of the sliding blocks, the bottoms of the caulking grooves are provided with bearing surfaces, and the side walls of the sliding blocks are provided with positioning holes extending to the caulking grooves; the clamping action piece is provided with an embedding part embedded into the corresponding embedding groove, the bottom of the embedding part is abutted against the bearing surface, and the embedding part is provided with a limiting hole aligned with the positioning hole; the limiting piece is inserted into the positioning hole and partially inserted into the limiting hole to limit the embedded part. The utility model discloses the embedding portion bottom is accepted the face bearing, and is inserted spacing hole and spacing by the locating part, realizes that the embedding portion is stable to be inlayed and adorns in the caulking groove, realizes the location installation of clamping action spare and slider and can dismantle and be connected, makes things convenient for the clamping action spare of follow-up different specifications and shape more, and the installation is dismantled conveniently, only needs to dismantle the dismouting that a locating part can accomplish the clamping action spare, and is simple and convenient, and clamping action spare installation accuracy is high.

Description

Machining clamp

Technical Field

The utility model relates to a machining anchor clamps field especially relates to a machining anchor clamps.

Background

At present, in machining, in order to fix the position of a workpiece to ensure machining stability and machining precision, the workpiece is clamped by a clamp, generally, a machine tool needs to machine multiple workpieces, and for this reason, parts of the clamp need to be replaced to correspond to different workpieces.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a machining clamp can conveniently change the centre gripping demand of part in order to adapt to different work pieces.

According to the utility model discloses a machining anchor clamps of first aspect embodiment, include: a platform; the two sliding blocks are arranged and are all slidably mounted on the platform, the sliding paths of the two sliding blocks are on the same straight line, caulking grooves are formed in the opposite sides of the two sliding blocks, the caulking grooves extend downwards from the top surfaces of the sliding blocks, bearing surfaces are arranged at the bottoms of the caulking grooves, and positioning holes extending to the caulking grooves are formed in the side walls of the sliding blocks; the clamping action pieces are provided with two embedding parts which are embedded into the corresponding embedded grooves, the bottoms of the embedding parts are abutted against the bearing surfaces, and the embedding parts are provided with limiting holes aligned with the positioning holes; the pushing mechanism is used for pushing the sliding block to slide so as to clamp the workpiece; the limiting piece is inserted into the positioning hole and partially inserted into the limiting hole to limit the embedded part.

According to the utility model discloses machine tooling anchor clamps have following technological effect at least: embedding portion embedding caulking groove, the embedding portion bottom is accepted the face bearing, and is inserted spacing hole and by spacing by the locating part, realizes that the embedding portion is stable to be inlayed and adorns in the caulking groove, realizes the location installation of clamping action spare and slider and can dismantle and be connected, the clamping action spare of convenient follow-up different specifications and shape more, the installation is dismantled conveniently, only need dismantle a locating part can accomplish the dismouting of clamping action spare, and is simple and convenient, and clamping action spare installation accuracy is high.

According to some embodiments of the utility model, the locating hole is the screw hole, the locating part be with the spacing bolt of screw hole adaptation.

According to some embodiments of the utility model, spacing hole diameter is less than the locating hole, spacing bolt tip is equipped with the reference column that matches and imbeds the locating hole with the locating hole.

According to the utility model discloses a some embodiments, the platform is equipped with the spout, the spout sets up along slider slip direction, the slider bottom is equipped with the slide rail that matches with the spout.

According to some embodiments of the invention, the slide rail and the chute cross-section are dovetail.

According to some embodiments of the invention, the cross-section of the caulking groove and the embedding part is dovetail.

According to some embodiments of the utility model, pushing mechanism is cylinder or pneumatic cylinder, the flexible end and the slider counterbalance of cylinder or pneumatic cylinder.

According to the utility model discloses a some embodiments, pushing mechanism is drive bolt, the platform all is equipped with the installation piece in the offside side of two sliders, drive bolt threaded connection is used for offsetting with the slider in order to promote the slider slip in installation piece and tip.

According to some embodiments of the invention, the drive bolt is equipped with the equalizer plate towards the one end of slider.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention;

fig. 2 is an exploded view of the installation state of the embodiment of the present invention.

Reference numerals:

platform 100, chute 110, mounting block 120;

the sliding block 200, the caulking groove 210, the bearing surface 211, the positioning hole 220 and the sliding rail 230;

a clamping acting piece 300, an embedding part 310 and a limiting hole 311;

a driving bolt 400, a pressure equalizing plate 410;

spacing bolt 500, screw rod 510, reference column 520.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2, a machining fixture according to an embodiment of the present invention includes a platform 100, a slider 200, a clamping member 300, a pushing mechanism, and a limiting member.

The two sliding blocks 200 are arranged and are all slidably mounted on the platform 100, the sliding paths of the two sliding blocks 200 are on the same straight line, the opposite sides of the two sliding blocks 200 are provided with embedding grooves 210, the embedding grooves 210 are formed by extending downwards from the top surface of the sliding blocks 200, the bottoms of the embedding grooves 210 are provided with bearing surfaces 211, and the side walls of the sliding blocks 200 are provided with positioning holes 220 extending to the embedding grooves 210; specifically, as shown in fig. 2, the positioning hole 220 extends from a side wall of the slider 200 facing away from the insertion groove 210 toward the insertion groove 210.

Two clamping members 300 are provided, the clamping members 300 are respectively installed on the opposite sides of the two sliders 200, that is, a clamping member 300 is installed on the right side of the left slider 200, and a clamping member 300 is installed on the left side of the right slider 200.

The clamping acting element 300 is provided with an embedding part 310 which is embedded into the corresponding embedding groove 210, the bottom of the embedding part 310 is abutted against the bearing surface 211, and the embedding part 310 is provided with a limiting hole 311 which is aligned with the positioning hole 220; in general, the same set of the sliders 200 and the clamp 300 has a plurality of pairs of the insertion grooves 210 and the insertion portions 310 for structural stability.

The pushing mechanism is used for pushing the sliding block 200 to slide so as to clamp the workpiece; and a limiting member inserted into the positioning hole 220 and partially inserted into the limiting hole 311 to limit the embedded portion 310.

Through the embedding part bottom by the face bearing of accepting, and insert spacing hole and by spacing by the locating part, realize that the embedding part is stable to be inlayed and adorned in the caulking groove, realize clamping action piece 300 and the location installation of slider with can dismantle and be connected, make things convenient for the clamping action piece of follow-up different specifications and shapes more, the installation is dismantled conveniently, only need dismantle a locating part can accomplish the dismouting of clamping action piece, and is simple and convenient, and clamping action piece installation accuracy is high.

In some embodiments of the present invention, the positioning hole 220 is a threaded hole, and the limiting member is a limiting bolt 500 adapted to the threaded hole. The limit mounting or dismounting of the embedding part 310 can be completed by screwing the limit bolt 500. When the clamping action piece 300 with other specifications needs to be replaced, the limiting bolt 500 only needs to be screwed, so that the end part of the limiting bolt 500 is separated from the limiting hole 311, the clamping action piece 300 can be pulled out upwards, the disassembly is completed, the operation is simple, and the disassembly can be completed without disassembling a plurality of fastening pieces.

In the utility model discloses a further embodiment, spacing hole 311 diameter is less than locating hole 220, and spacing bolt 500 tip is equipped with the reference column 520 that matches and imbed locating hole 220 with locating hole 220, and is concrete, and spacing bolt 500 main part is the screw rod 510 in middle part, screw rod 510 and locating hole 220 adaptation. The positioning column 520 is coaxially disposed at the end of the screw 510. Accurate location and spacing are realized through the cooperation of reference column 520 and locating hole 220, and spacing hole 311 diameter is less than locating hole 220, avoids in screw rod 510 imbeds spacing hole 311, and spacing bolt 500 also more conveniently processes simultaneously.

In some embodiments of the present invention, the platform 100 is provided with a sliding groove 110, the sliding groove 110 is disposed along the sliding direction of the sliding block 200, and the bottom of the sliding block 200 is provided with a sliding rail 230 matching with the sliding groove 110. As shown in fig. 1, two sliding grooves 110 and two sliding rails 230 are provided in parallel for smooth sliding. Preferably, the sliding rail 230 and the sliding groove 110 are dovetail-shaped in cross section to prevent the sliding block 200 from overturning and improve the sliding stability of the sliding block 200.

In some embodiments of the present invention, the cross-section of the insertion groove 210 and the cross-section of the insertion portion 310 are dovetail-shaped, so that the insertion groove 210 has a good spacing effect on the insertion portion 310, and the connection between the slider 200 and the clamping member 300 is more stable.

In some embodiments of the present invention, the pushing mechanism is a cylinder or a hydraulic cylinder, and the telescopic end of the cylinder or the hydraulic cylinder is abutted against the slider 200 to push the slider 200 to slide, so that the clamping member 300 clamps the workpiece.

Of course, there are many ways of pushing mechanisms, as shown in fig. 1, the pushing mechanism is a driving bolt 400, the platform 100 is provided with a mounting block 120 on the opposite sides of the two sliders 200, the driving bolt 400 is connected to the mounting block 120 in a threaded manner, the mounting block 120 is provided with a threaded through hole adapted to the driving bolt 400, the axis of the threaded through hole is parallel to the sliding direction of the slider 200, the end of the driving bolt 400 is used for abutting against the slider 200 to push the slider 200 to slide, and the driving bolt 400 is screwed to push the slider 200 to slide to clamp the workpiece.

In some embodiments of the present invention, the end of the driving bolt 400 facing the slider 200 is provided with a pressure equalizing plate 410. The contact area between the driving bolt 400 and the sliding block 200 is increased through the pressure equalizing plate 410, stress concentration is reduced, acting force is evenly distributed, stress on the sliding block 200 is more uniform, and sliding is smoother.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A machining jig characterized by comprising:

a platform (100);

the two sliding blocks (200) are arranged and are all slidably mounted on the platform (100), the sliding paths of the two sliding blocks (200) are on the same straight line, the opposite sides of the two sliding blocks (200) are respectively provided with an embedded groove (210), the embedded groove (210) is formed by downwards extending from the top surface of the sliding block (200), the bottom of the embedded groove (210) is provided with a bearing surface (211), and the side wall of the sliding block (200) is provided with a positioning hole (220) extending to the embedded groove (210);

the clamping action pieces (300) are provided with two clamping action pieces and are respectively arranged on one opposite sides of the two sliding blocks (200), the clamping action pieces (300) are provided with embedding parts (310) which are embedded into the corresponding embedding grooves (210), the bottoms of the embedding parts (310) are abutted against the bearing surfaces (211), and the embedding parts (310) are provided with limiting holes (311) which are aligned with the positioning holes (220);

the pushing mechanism is used for pushing the sliding block (200) to slide so as to clamp the workpiece;

the limiting piece is inserted into the positioning hole (220) and partially inserted into the limiting hole (311) to limit the embedded part (310).

2. The machining jig of claim 1, wherein: the locating hole (220) is a threaded hole, and the limiting piece is a limiting bolt (500) matched with the threaded hole.

3. The machining jig of claim 2, wherein: the diameter of the limiting hole (311) is smaller than that of the positioning hole (220), and a positioning column (520) which is matched with the positioning hole (220) and is embedded into the positioning hole (220) is arranged at the end part of the limiting bolt (500).

4. The machining jig of claim 1, wherein: platform (100) are equipped with spout (110), spout (110) set up along slider (200) slip direction, slider (200) bottom is equipped with slide rail (230) that match with spout (110).

5. The machining jig of claim 4, wherein: the sections of the sliding rail (230) and the sliding groove (110) are both dovetail-shaped.

6. The machining jig of claim 1, wherein: the cross sections of the caulking groove (210) and the embedding part (310) are both dovetail-shaped.

7. The machining jig of claim 1, wherein: the pushing mechanism is an air cylinder or a hydraulic cylinder, and the telescopic end of the air cylinder or the hydraulic cylinder is abutted against the sliding block (200).

8. The machining jig of claim 1, wherein: the pushing mechanism is a driving bolt (400), the mounting blocks (120) are arranged on the back-to-side sides of the two sliding blocks (200) of the platform (100), and the driving bolt (400) is in threaded connection with the mounting blocks (120) and the end portion of the driving bolt is used for abutting against the sliding blocks (200) to push the sliding blocks (200) to slide.

9. The machining jig of claim 8, wherein: and one end of the driving bolt (400) facing the sliding block (200) is provided with a pressure equalizing plate (410).