CN213288934U - Positioning device for improving chamfering precision - Google Patents

Abstract

The utility model discloses a positioning device for improving chamfering precision, which comprises a fixed rod, a first marker post and a second marker post, wherein the first marker post and the second marker post have consistent specifications and are vertically and fixedly connected with each other, the vertical connection part of the first marker post and the second marker post is vertically and fixedly connected with the fixed rod, the first marker post and the second marker post are movably sleeved with positioning mechanisms respectively, the two positioning mechanisms comprise L-shaped positioning blocks, fixed blocks are fixedly arranged at the central positions of the top ends of the two L-shaped positioning blocks respectively, through holes are formed in the two ends of the two fixed blocks respectively in a penetrating way, the two fixed blocks are respectively slidably arranged with the first marker post and the second marker post through the through holes, screws are arranged at the top ends of the two fixed blocks in a threaded way, the pin head parts of the two screws are arranged in a penetrating way through the upper tops of the corresponding fixed blocks and are abutted against the corresponding first marker post and the second marker post, the chamfering method has the characteristic of high chamfering precision.

Description

Positioning device for improving chamfering precision

Technical Field

The utility model relates to a positioner, in particular to positioner for improving chamfer precision.

Background

The workpiece chamfering treatment is very common in the field of machining, the workpiece can be accurately positioned and chamfered by matching with a positioning device during chamfering treatment, the traditional positioning device for chamfering has the problem of poor chamfering precision when being used specifically, the transverse positioning length and the longitudinal positioning length of the chamfer cannot be accurately marked because the traditional positioning device for chamfering is used, the positioning operation steps are multiple, the originally determined positioning station deviation is easily caused in the specific positioning step, the final chamfering precision is caused to have errors, and the positioning device for improving the chamfering precision is required to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner for improving chamfer precision to solve the poor problem of existence chamfer precision that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device for improving chamfering precision comprises a fixed rod, a first marker post and a second marker post, wherein the first marker post and the second marker post are consistent in specification and are vertically and fixedly connected with each other, the vertical joint of the first marker post and the second marker post is vertically and fixedly connected with the fixed rod, the first marker post and the second marker post are movably sleeved with positioning mechanisms respectively, the two positioning mechanisms comprise L-shaped positioning blocks, fixed blocks are fixedly arranged at the center positions of the top ends of the two L-shaped positioning blocks respectively, through holes are formed in the two ends of the two fixed blocks respectively in a penetrating manner, the two fixed blocks are respectively slidably mounted with the first marker post and the second marker post through the through holes, screws are arranged at the top ends of the two fixed blocks in a threaded manner, the nail head parts of the two screws are arranged in a penetrating manner through the upper tops of the corresponding fixed blocks and in a manner of abutting against the corresponding first marker post and the second marker post, two L type locating piece one side all is provided with the extrusion piece, two the inside rotor plate that all rotates of extrusion piece is installed, two the opposite side of L type locating piece all is provided with the knob, two the knob is close to the equal perpendicular fixedly connected with screw spindle of corresponding L type locating piece one side centre of a circle position, two the screw spindle screw thread runs through corresponding L type locating piece and with the perpendicular fixed connection of rotor plate that corresponds.

As a preferred technical scheme of the utility model, two the through-hole all designs with the first sighting rod and the second sighting rod looks adaptation that correspond, the scale has all been marked on the top of first sighting rod and second sighting rod.

As a preferred technical scheme of the utility model, two four edges of L type locating piece all run through and have seted up spacing hole, two the extrusion piece is close to the spacing axle of the equal perpendicular fixedly connected with in four edges that correspond L type locating piece one side.

As an optimal technical scheme of the utility model, four spacing axle slides respectively and runs through the spacing hole that corresponds, and the internal diameter in spacing hole is unanimous with the spacing external diameter of axle that corresponds.

As an optimal technical scheme of the utility model, four the top of extrusion piece contacts the setting with the L type locating piece bottom that corresponds respectively.

As a preferred technical scheme of the utility model, the perpendicular fixedly connected with extension rod of tip that corresponds first sighting rod and second sighting rod is kept away from to the dead lever, the extension rod all is 45 contained angles with first sighting rod and second sighting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a positioner for improving chamfer precision has the characteristics that the chamfer precision is high, specifically speaking:

firstly, the positioning device for improving the chamfering precision is provided with a first mark post and a second mark post aiming at the characteristic of chamfering operation, the first mark post and the second mark post are vertically and fixedly connected, and positioning mechanisms on the two mark posts can quickly and accurately slide to an appointed chamfering station through graduated scales on the two mark posts, so that the transverse positioning length and the longitudinal positioning length of a precise injection chamfer can be realized;

secondly, the characteristic of chamfer corner is fully considered to two positioning mechanism that this a positioner for improving chamfer precision set up, consequently be provided with L type locating piece and the extrusion piece that can the active adjustment extension length, adjacent corner of the required chamfer work piece of laminating that can be abundant, finally realize two positioning mechanism's quick location through rotatory screw, whole location operating procedure is few, be difficult to cause originally confirmed good positioning station skew in concrete positioning procedure, so also difficult cause final chamfer precision to have the error.

Drawings

Fig. 1 is a schematic view of the appearance three-dimensional structure of the present invention;

FIG. 2 is a schematic structural view of a part of the positioning mechanism of the present invention;

fig. 3 is a schematic view of the installation structure of the extrusion sheet of the present invention.

In the figure: 1. fixing the rod; 2. a first marker post; 3. a second marker post; 4. a positioning mechanism; 5. an extension rod; 41. an L-shaped positioning block; 42. a fixed block; 43. a through hole; 44. a screw; 45. extruding the sheet; 46. a rotating sheet; 47. a knob; 48. a threaded shaft; 49. a limiting hole; 410. and a limiting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a positioning device for improving chamfering precision, comprising a fixing rod 1, a first marker post 2 and a second marker post 3, wherein the first marker post 2 and the second marker post 3 have the same specification and are vertically and fixedly connected with each other, the fixing rod 1 is vertically and fixedly connected to the vertical connection of the first marker post 2 and the second marker post 3, positioning mechanisms 4 are movably sleeved on the first marker post 2 and the second marker post 3, both positioning mechanisms 4 comprise L-shaped positioning blocks 41, fixing blocks 42 are fixedly mounted at the central positions of the top ends of the two L-shaped positioning blocks 41, through holes 43 are formed at both ends of the two fixing blocks 42, both the two fixing blocks 42 are slidably mounted with the first marker post 2 and the second marker post 3 through the through holes 43, screws 44 are mounted at the top ends of the two fixing blocks 42, the nail head portions of the two screws 44 are threaded to correspond to the top of the fixing blocks 42 and are in contact with the first marker post 2 and the second marker post 3, two L type locating piece 41 one sides all are provided with extrusion piece 45, and two extrusion piece 45 are inside all to be rotated and to be installed rotor plate 46, and the opposite side of two L type locating pieces 41 all is provided with knob 47, and two knobs 47 are close to the equal perpendicular fixedly connected with screw shaft 48 of corresponding L type locating piece 41 one side centre of a circle position, and two screw shaft 48 screw threads run through corresponding L type locating piece 41 and with the perpendicular fixed connection of rotor plate 46 that corresponds.

Wherein, two through-holes 43 all with the design of the first sighting rod 2 and the 3 looks adaptations of second sighting rod that correspond, the top of first sighting rod 2 and second sighting rod 3 has all been marked the scale, conveniently marks the final angle of chamfering point of location.

Wherein, four edges of two L type locating pieces 41 all run through and have seted up spacing hole 49, and two extrusion pieces 45 are close to the equal perpendicular fixedly connected with spacing axle 410 of four edges that correspond L type locating piece 41 one side, utilize the mode that spacing axle 410 followed extrusion piece 45 and removed, guarantee that extrusion piece 45 linear motion is stable.

The four limit shafts 410 respectively penetrate through the corresponding limit holes 49 in a sliding mode, the inner diameters of the limit holes 49 are consistent with the outer diameters of the corresponding limit shafts 410, and the stability of sliding limiting is guaranteed.

Wherein, the top of four extrusion pieces 45 contacts the setting with the L type locating piece 41 bottom that corresponds respectively, guarantees that extrusion piece 45 and the L type locating piece 41 bottom that corresponds can be abundant with the work piece laminating, reduces positioning error.

Wherein, dead lever 1 keeps away from the perpendicular fixedly connected with extension rod 5 of tip that corresponds first sighting rod 2 and second sighting rod 3, and extension rod 5 all is 45 contained angles with first sighting rod 2 and second sighting rod 3, and this positioner is conveniently taken to extension rod 5.

The working principle is as follows:

firstly, adjusting the distance between two extrusion pieces 45 and a corresponding L-shaped positioning block 41 according to the width of the adjacent edge of a workpiece to be chamfered, wherein the specific operation steps are that a rotary knob 47 drives a rotating piece 46 to rotate through a threaded shaft 48 and drives the extrusion pieces 45 to start linear displacement, and in the process, four limiting shafts 410 respectively slide in corresponding limiting holes 49, so that the linear displacement of the extrusion pieces 45 is ensured to be more stable, the top ends of the extrusion pieces 45 and the corresponding L-shaped positioning blocks 41 are conveniently and fully attached to the adjacent edge of the workpiece to be chamfered, and the error is reduced for next-step moving and positioning;

then respectively adjusting the relative positions of the two positioning mechanisms 4 and the corresponding first mark post 2 and second mark post 3 according to the requirements of chamfering, directly sliding the two fixed blocks 42 according to the scales on the first mark post 2 and second mark post 3, wherein the vertical connecting lines of the adjacent edges of the two fixed blocks 42 close to the fixed rod 1 and the scales are respectively the transverse positioning length and the longitudinal positioning length of the next chamfering;

and finally, after the transverse positioning length and the longitudinal positioning length are determined, the two screws 44 are respectively rotated, so that the screw head threads of the screws 44 penetrate through the tops of the corresponding fixed blocks 42 to be abutted against the tops of the corresponding first mark post 2 and the second mark post 3, and the chamfering station of the workpiece can be finally and accurately determined.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims (6)

1. A positioning device for improving chamfering precision comprises a fixing rod (1), a first marker post (2) and a second marker post (3), and is characterized in that the first marker post (2) and the second marker post (3) are consistent in specification and are mutually and vertically and fixedly connected, the fixing rod (1) is vertically and fixedly connected with the vertical joint of the first marker post (2) and the second marker post (3), positioning mechanisms (4) are movably sleeved on the first marker post (2) and the second marker post (3), each of the two positioning mechanisms (4) comprises an L-shaped positioning block (41), a fixing block (42) is fixedly installed at the center position of the top end of each of the two L-shaped positioning blocks (41), through holes (43) are formed in both ends of each of the two fixing blocks (42), and the two fixing blocks (42) are respectively installed with the first marker post (2) and the second marker post (3) in a sliding mode through the through holes (43), two screw (44), two are installed to the equal screw thread in top of fixed block (42) the equal screw thread in pin fin portion of screw (44) runs through the last top of corresponding fixed block (42) and first sighting rod (2) and second sighting rod (3) inconsistent setting that correspond, two L type locating piece (41) one side all is provided with extrusion piece (45), two extrusion piece (45) inside all rotates and installs rotating piece (46), two the opposite side of L type locating piece (41) all is provided with knob (47), two knob (47) are close to and correspond the equal perpendicular fixedly connected with screw spindle (48) in L type locating piece (41) one side centre of a circle position, two screw spindle (48) screw thread runs through corresponding L type locating piece (41) and with the perpendicular fixed connection of rotating piece (46) that corresponds.

2. A positioning device for improving chamfering accuracy according to claim 1, wherein: two through-hole (43) all with corresponding first marker pole (2) and second marker pole (3) looks adaptation design, the top of first marker pole (2) and second marker pole (3) all is marked with the scale.

3. A positioning device for improving chamfering accuracy according to claim 1, wherein: two four edges of L type locating piece (41) all run through and have seted up spacing hole (49), two equal perpendicular fixedly connected with spacing axle (410) in four edges that extrusion piece (45) are close to corresponding L type locating piece (41) one side.

4. A positioning device for improving chamfering accuracy according to claim 3, wherein: the four limiting shafts (410) penetrate through the corresponding limiting holes (49) in a sliding mode respectively, and the inner diameters of the limiting holes (49) are consistent with the outer diameters of the corresponding limiting shafts (410).

5. A positioning device for improving chamfering accuracy according to claim 1, wherein: the top ends of the four squeezing pieces (45) are respectively in contact with the bottom ends of the corresponding L-shaped positioning blocks (41).

6. A positioning device for improving chamfering accuracy according to claim 1, wherein: the perpendicular fixedly connected with extension rod (5) of tip that corresponds first sighting rod (2) and second sighting rod (3) is kept away from in dead lever (1), extension rod (5) all are 45 contained angles with first sighting rod (2) and second sighting rod (3).

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