CN219379001U - Positioning structure and numerical control lathe - Google Patents

Abstract

The utility model relates to the technical field of movable positioning pins, in particular to a positioning structure and a numerical control lathe, which comprises a positioning pin base, wherein a round hole is formed above the positioning pin base, a positioning pin clamping piece is arranged at the bottom of the round hole, an inclined plane is arranged on the top surface of the positioning pin clamping piece, a semicircular groove is formed in the surface of the positioning pin base and is in sliding connection with a fixed rod, sliding blocks are connected in each direction at two ends of the fixed rod, the sliding blocks are in sliding connection in a side plate, the lower end of the side plate is connected with a bottom plate, and the bottom of the positioning pin base is in sliding connection with the bottom plate; the beneficial effects are as follows: the positioning structure provided by the utility model can realize the increase and decrease of the positioning pin holes through the mortise and tenon structure on the side plate, and the movement of the positioning pins is realized through the movement and the fixation of the positioning pin holes, so that the change of the positions and the distances between the positioning pins of the clamp is realized, and the positioning structure provided by the utility model can be more suitable for some special workpieces.

Description

Positioning structure and numerical control lathe

Technical Field

The utility model relates to the technical field of movable positioning pins, in particular to a positioning structure and a numerical control lathe.

Background

The jigs used in metal cutting lathes are collectively referred to as lathe jigs. In modern production, a lathe fixture is an indispensable process equipment, which directly affects the precision of workpiece processing, labor productivity, manufacturing cost of workpieces, and the like.

In the prior art, the standardized clamp capable of processing different workpieces within a certain range is called a universal clamp, the structure and the size of the universal clamp are normalized, the universal clamp has certain universality, such as a three-jaw self-centering chuck, a parallel jaw for a lathe, a four-jaw single-action chuck, a bench vice, a universal dividing head, a center frame, a magnetic working table and the like, the clamp has strong adaptability, can be used for clamping various workpieces within a certain shape and size range, is specially designed and manufactured for a certain working procedure of a certain workpiece, is called a special clamp, and can obtain higher productivity and processing precision by adopting various special clamps.

However, the general-purpose jigs have the disadvantages that the precision of the jigs is not high, the productivity is low, and it is difficult to clamp the work pieces having complicated shapes, and the positioning pin of each special-purpose jig is fixed so that it can correspond to only one kind of work piece.

Disclosure of Invention

The utility model aims to provide a positioning structure and a numerical control lathe so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a location structure, includes the locating pin base, the round hole has been seted up to locating pin base top, the round hole bottom is equipped with the locating pin fastener, and the top surface of locating pin fastener is equipped with the inclined plane, the surface of locating pin base is equipped with semi-circular recess, semi-circular recess sliding connection dead lever, the sliding block is all connected to every direction in dead lever both ends, sliding connection of sliding block is in the curb plate, the bottom plate is connected to the lower extreme of curb plate, and the bottom plate sliding connection of locating pin base.

Preferably, the locating pin base is a cuboid structure, four groups of locating pin clamping pieces are symmetrically distributed at the bottoms of round holes above the locating pin base, two semicircular grooves are formed in each face around the locating pin base, the semicircular grooves of every two adjacent faces of the locating pin base are not at the same height, and the semicircular grooves of every two opposite faces of the locating pin base are at the same height.

Preferably, the sliding block is of a cuboid structure, a round groove is formed in the surface, connected with the fixed rod, of the sliding block, the side surface of the round groove is connected with the pulley, and the pulley is in rolling connection with the bottom plate.

Preferably, the side plate is of a rectangular frame structure, a strip-shaped sliding groove is formed in the joint of the side plate and the sliding block, the sliding block is in sliding connection with the side plate in the sliding groove, one group of adjacent sides of the side plate are connected to the edge of the bottom plate, the outer sides of one group of adjacent sides of the side plate are provided with trapezoid mortises, the other side is provided with trapezoid tenons, the other group of adjacent sides of the side plate are spaced from the edge of the bottom plate, and one strip-shaped hole is formed in each of the other group of adjacent sides of the side plate.

Preferably, the screw is worn in the rectangular shape hole on another group of adjacent limit of curb plate, and the screw is connected with the sliding block central point, and the outside sliding connection splint in rectangular shape hole, splint are cuboid platy structure, the bottom and the bottom plate sliding connection of splint, and the round hole has been seted up to the central point of splint, and the size of round hole coincide with the screw of connecting on the sliding block, and the screw passes splint connection handle, and the handle is cylindrical handle, and the screw has been seted up on one side of handle, and the screw is connected with the screw cooperation.

Preferably, the bottom plate is a cuboid plate-shaped structure, the bottom plate is provided with a strip-shaped rolling groove at the joint of the bottom plate and the pulley, the pulley is in rolling connection with the bottom plate in the rolling groove, the bottom plate is provided with a strip-shaped sliding groove at the joint of the bottom plate and the clamping plate, the clamping plate is in sliding connection with the bottom plate in the sliding groove, a group of adjacent sides of the bottom plate are spaced from adjacent sides of the side plate, three vertexes of the bottom plate are respectively provided with screw holes, and the screw holes are matched and connected with the fixing screws.

A numerical control lathe comprises a positioning structure.

Compared with the prior art, the utility model has the beneficial effects that:

the positioning structure provided by the utility model can realize the increase and decrease of the positioning pin holes through the mortise and tenon structure on the side plate, and the movement of the positioning pins is realized through the movement and the fixation of the positioning pin holes, so that the change of the positions and the distances between the positioning pins of the clamp is realized, and the positioning structure provided by the utility model can be more suitable for some special workpieces.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of the slider, clamp plate and handle of FIG. 1;

fig. 4 is a schematic diagram showing the combination of two sets of side plates.

In the figure: the device comprises a locating pin base 1, a locating pin clamping piece 2, a fixed rod 3, a sliding block 4, a pulley 5, a clamping plate 6, a handle 7, a bottom plate 8, a side plate 9, a fixing screw 10 and a semicircular groove 11.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a location structure, including locating pin base 1, the round hole has been seted up to locating pin base 1 top, the round hole bottom is equipped with locating pin fastener 2, and the top surface of locating pin fastener 2 is equipped with the inclined plane, the surface of locating pin base 1 is equipped with semicircular groove 11, semicircular groove 11 sliding connection dead lever 3, slider 4 is all connected to every direction in dead lever 3 both ends, sliding connection of slider 4 is in curb plate 9, bottom plate 8 is connected to the lower extreme of curb plate 9, and the bottom plate 8 sliding connection of locating pin base 1.

Example two

On the basis of the first embodiment, in order to realize the movable locating pin, the locating pin base 1 is of a cuboid structure, four groups of locating pin clamping pieces 2 are symmetrically distributed at the bottoms of round holes in the upper side of the locating pin base 1, two semicircular grooves 11 are formed in each face of the periphery of the locating pin base 1, the semicircular grooves 11 of every two adjacent faces of the locating pin base 1 are not at the same height, the semicircular grooves 11 of every two opposite faces of the locating pin base 1 are of the same height, the sliding block 4 is of a cuboid structure, round grooves are formed in the faces, connected with the fixed rods 3, of the sliding blocks 4, the side faces of the round grooves are connected with the pulleys 5, the pulleys 5 are in rolling connection with the bottom plates 8, the side plates 9 are of a rectangular frame structure, long-shaped sliding grooves are formed in the connecting positions of the side plates 9 and the sliding blocks 4, the other groups of adjacent edges of the side plates 9 are spaced from the edges of the bottom plates 8, and the other groups of adjacent edges of the side plates 9 are respectively provided with a long-shaped hole.

Example III

On the basis of the second embodiment, in order to realize that the screw is penetrated in the long strip-shaped hole of the other group of adjacent sides of the fixed side plate 9 of the movable positioning pin, the screw is connected with the center point of the sliding block 4, the outer side of the long strip-shaped hole is connected with the clamping plate 6 in a sliding way, the clamping plate 6 is in a cuboid plate-shaped structure, the bottom of the clamping plate 6 is connected with the bottom plate 8 in a sliding way, the center point of the clamping plate 6 is provided with a round hole, the size of the round hole is matched with the screw connected on the sliding block 4, the screw penetrates through the clamping plate 6 to be connected with the handle 7, the handle 7 is a cylindrical handle, one side of the handle 7 is provided with a screw hole, the screw is connected with the screw hole in a matching way, the bottom plate 8 is in a cuboid plate-shaped structure, the connecting part of the bottom plate 8 and the pulley 5 is provided with a long strip-shaped rolling groove, the bottom plate 8 is connected with the bottom plate 8 in a rolling way, the connecting part of the bottom plate 8 and the clamping plate 6 is connected with the bottom plate 8 in a sliding way.

Example IV

On the basis of the third embodiment, in order to increase the number of the movable positioning pins, a group of adjacent two sides of the side plate 9 are connected to the edge of the bottom plate 8, and the outer sides of a group of adjacent two sides of the side plate 9 are provided with trapezoid mortises on one side and trapezoid tenons on the other side.

Example five

A numerical control lathe comprises a positioning structure.

In actual use, the bottom plate 8 is horizontally placed on a lathe, the bottom plate 8 is fixed on the lathe through the fixing screws 10, if a plurality of locating pins are needed for workpieces with work, mortise and tenon structures of the corresponding number of side plates 9 can be spliced by a push-and-insert method, then the bottom plate 8 is fixed on the lathe through the fixing screws 10, when the locating pins need to be moved, the gap between the sliding block 4 and the clamping plate 6 is enlarged by rotating the handle 7, loosens from the side plates 9, the locating pins are fixed by transversely pulling the handle 7, when the workpiece is moved to a required position, the gap between the sliding block 4 and the clamping plate 6 is reduced by rotating the handle 7, the side plates 9 are clamped to be fixed, then the required locating pins are placed into the locating pin base 1, and if the workpiece needs to be disassembled, the locating pins are pulled out from the locating pin base 1, and the bottom plate can be disassembled from the lathe by screwing the fixing screws 10.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a location structure, includes locating pin base (1), its characterized in that: round hole has been seted up to locating pin base (1) top, the round hole bottom is equipped with locating pin fastener (2), and the top surface of locating pin fastener (2) is equipped with the inclined plane, the surface of locating pin base (1) is equipped with semicircular groove (11), semicircular groove (11) sliding connection dead lever (3), sliding block (4) are all connected in every direction in dead lever (3) both ends, sliding connection of sliding block (4) is in curb plate (9), bottom plate (8) are connected to the lower extreme of curb plate (9), and the bottom and bottom plate (8) sliding connection of locating pin base (1).

2. A positioning structure according to claim 1, wherein: the locating pin base (1) is of a cuboid structure, four groups of locating pin clamping pieces (2) are symmetrically distributed at the bottom of a round hole in the upper portion of the locating pin base (1), two semicircular grooves (11) are formed in each face of the periphery of the locating pin base (1), the semicircular grooves (11) of every two adjacent faces of the locating pin base (1) are not at the same height, and the semicircular grooves (11) of every two opposite faces of the locating pin base (1) are at the same height.

3. A positioning structure according to claim 1, wherein: the sliding block (4) is of a cuboid structure, a round groove is formed in the surface, connected with the fixed rod (3), of the sliding block (4), the pulley (5) is connected to the side face of the round groove, and the pulley (5) is in rolling connection with the bottom plate (8).

4. A positioning structure according to claim 1, wherein: the side plate (9) is of a rectangular frame structure, the connecting part of the side plate (9) and the sliding block (4) is provided with a strip-shaped sliding groove, the sliding block (4) is in sliding connection with the side plate (9) in the sliding groove, a group of adjacent two sides of the side plate (9) are connected to the edge of the bottom plate (8), the outer sides of a group of adjacent two sides of the side plate (9) are provided with trapezoid tenons, one side of the side plate is provided with trapezoid tenons, the other side of the side plate (9) is spaced from the edge of the bottom plate (8), and the other group of adjacent sides of the side plate (9) are provided with a strip-shaped hole respectively.

5. A positioning structure as defined in claim 4, wherein: the screw is worn in the rectangular shape hole of another group adjacent limit of curb plate (9), the screw is connected with slider (4) central point, outside sliding connection splint (6) in rectangular shape hole, splint (6) are cuboid platy structure, the bottom and the bottom plate (8) sliding connection of splint (6), the round hole has been seted up to the central point of splint (6), and the hole size coincide with the screw of connecting on slider (4), the screw passes splint (6) and connects handle (7), handle (7) are cylindrical handle, the screw has been seted up on one side of handle (7), screw and screw cooperation are connected.

6. A positioning structure according to claim 1, wherein: the bottom plate (8) is a cuboid platy structure, the bottom plate (8) is provided with a strip-shaped rolling groove at the joint with the pulley (5), the pulley (5) is in rolling connection with the bottom plate (8) in the rolling groove, the bottom plate (8) is provided with a strip-shaped sliding groove at the joint with the clamping plate (6), the clamping plate (6) is in sliding connection with the bottom plate (8) in the sliding groove, a group of adjacent edges of the bottom plate (8) are spaced from adjacent edges of the side plate (9), three vertexes of the bottom plate (8) are respectively provided with screw holes, and the screw holes are connected with the fixing screws (10) in a matched mode.

7. A numerical control lathe, characterized in that: a positioning structure comprising any of the above claims 1-6.