CN211805020U - Quasi-constellation milling tool - Google Patents

Abstract

The utility model discloses a quasi-constellation milling tool, which comprises a horizontal bridge plate, a connecting seat, a first-order clamp and a second-order clamp, wherein the first-order clamp and the second-order clamp are arranged on the horizontal bridge plate; the first-order clamp comprises a clamp body, a hydraulic cylinder support, a first-order hydraulic cylinder and a first-order pressing plate, wherein the clamp body is fixed on the top surface of the horizontal bridge plate, and is provided with a first arc-shaped groove matched with the outer wall surface of a first cylindrical hole at the left end of the quasi-constellation, a second arc-shaped groove matched with the outer wall surface of a second cylindrical hole at the right end of the quasi-constellation, a square boss matched with a trapezoid hole in the middle of the quasi-constellation, and a horizontal positioning reference surface matched with one end face of the first cylindrical hole and one end face of the second cylindrical hole in the quasi-constellation; the second-order clamp comprises a horizontal positioning base plate, a first positioning pin, a second-order hydraulic cylinder, a pull rod and a second-order pressing plate. The utility model discloses accomplish a plurality of processing position integrations of quasi-constellation on same process, reduced work piece turnover and tool changing time, reduced frock quantity, improved machining efficiency.

Description

Quasi-constellation milling tool

Technical Field

The utility model relates to a frock technical field, in particular to frock of table chi.

Background

The quasi-constellation is a part of a firearm aiming device and is usually positioned at the upper part of a firearm pipe orifice, the structure of the quasi-constellation is shown in the attached figure 1 of the specification, the left end of the quasi-constellation 1 is provided with a first cylindrical hole 101, the right end of the quasi-constellation 1 is provided with a second cylindrical through hole 102 and a third cylindrical hole 103, the axis of the second cylindrical hole is parallel to the axis of the first cylindrical hole, and the axis of the third cylindrical hole is vertically intersected with the axes of the second cylindrical hole and the third cylindrical hole; the quasi-constellation is provided with a trapezoidal hole 104 in the middle, and a fourth cylindrical hole 105 between the trapezoidal hole 104 and the second cylindrical through hole 102, and the hole length directions of the trapezoidal hole 104 and the fourth cylindrical hole 105 are perpendicular to the hole length directions of the second cylindrical through hole 102 and the third cylindrical hole 103.

In the prior art, the milling of the first cylindrical hole 101 and the second cylindrical through hole 102 of the quasi-constellation, the milling of the end faces of the two ends of the first cylindrical hole 101 and the second cylindrical through hole 102, and the milling of the third cylindrical hole 103 and the fourth cylindrical hole 105 are not completed in the same tool and the same process, so that the quasi-constellation has the advantages of longer processing procedures, more tools, more workpiece turnover and tool changing time, and lower processing efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a quasi-constellation milling process frock to a plurality of processing positions of quasi-constellation do not accomplish in same frock and same process among the solution prior art, make work piece manufacturing procedure longer, frock is more, and work piece turnover and tool changing time are many, technical problem such as machining efficiency is lower.

The utility model discloses a quasi-constellation milling tool, which comprises a horizontal bridge plate, connecting seats arranged at two ends of the horizontal bridge plate, a first-order clamp arranged on the horizontal bridge plate and a second-order clamp arranged on the horizontal bridge plate;

the first-order clamp comprises a clamp body, a hydraulic cylinder support, a first-order hydraulic cylinder and a first-order pressing plate, the clamp body is fixed on the top surface of the horizontal bridge plate, a first arc-shaped groove matched with the outer wall surface of a first cylindrical hole at the left end of the quasi-constellation, a second arc-shaped groove matched with the outer wall surface of a second cylindrical hole at the right end of the quasi-constellation, a square boss matched with a trapezoidal hole in the middle of the quasi-constellation and a horizontal positioning reference surface matched with one end surface of the first cylindrical hole and one end surface of the second cylindrical hole in the quasi-constellation are arranged on the clamp body, the left side surface and the right side surface of the square boss are positioning surfaces matched with the left side surface and the right side surface of the trapezoidal hole in the, the hydraulic cylinder support is fixed on the horizontal bridge plate, the first-order hydraulic cylinder is fixed on the hydraulic cylinder support, a piston rod of the first-order hydraulic cylinder horizontally faces the square boss on the clamp body, and the first-order pressure plate is vertically fixed on the end part of the piston rod of the first-order hydraulic cylinder;

the second-order clamp comprises a horizontal positioning base plate fixed on the top surface of the horizontal bridge plate, a first positioning pin vertically fixed on the horizontal positioning base plate and matched with a first cylindrical hole at the left end of the quasi-constellation, a second positioning pin vertically fixed on the horizontal positioning base plate and matched with a second cylindrical hole at the right end of the quasi-constellation, a second-order hydraulic cylinder vertically fixed on the bottom surface of the horizontal bridge plate, a pull rod coaxially fixed on a piston rod of the second-order hydraulic cylinder and upwards penetrating through the horizontal bridge plate and the horizontal positioning base plate, a second-order pressing plate located at the upper end of the pull rod, and a pressing head arranged on the upper end of the pull rod and applying pressure to the second-order pressing plate, wherein a strip-shaped groove hole is formed in the middle of the second-order pressing plate, the lower portion of the pressing head is located in the strip-shaped groove hole and is in sliding fit.

Furthermore, a guide post is vertically arranged on the horizontal positioning substrate and is positioned in a slotted hole of the second-order pressing plate.

The utility model has the advantages that:

1. the utility model discloses sight constellation milling process frock, its milling process integrated completion on same process with the milling process of the cylindrical through-hole of the first cylinder hole of sight constellation and second, the cylindrical through-hole both ends terminal surface of first cylinder hole and second, the milling process in third cylinder hole and fourth cylinder hole has reduced work piece turnover and tool changing time, has reduced frock quantity, has improved machining efficiency.

2. The utility model discloses the quasi-constellation milling process frock adopts pneumatic clamping, and the clamping is efficient, and the big stability of clamp force is good, assurance machining precision that can be better.

Drawings

FIG. 1 is a perspective view of a quasi-constellation;

FIG. 2 is a perspective view of the other side of the quasi-constellation;

FIG. 3 is a three-dimensional structure diagram of a quasi-constellation milling tool;

FIG. 4 is a perspective view of a jig;

fig. 5 is a perspective view of the second-order jig.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in the figure, the quasi-constellation milling tool comprises a horizontal bridge plate 2, connecting seats 3 arranged at two ends of the horizontal bridge plate, a first-order clamp arranged on the horizontal bridge plate and a second-order clamp arranged on the horizontal bridge plate.

The first-order clamp comprises a clamp body 4, a hydraulic cylinder support 5, a first-order hydraulic cylinder 6 and a first-order pressing plate 7, the clamp body is fixed on the top surface of the horizontal bridge plate, the clamp body is provided with a first arc-shaped groove 8 matched with the outer wall surface of a first cylindrical hole at the left end of the quasi-constellation, a second arc-shaped groove 9 matched with the outer wall surface of a second cylindrical hole at the right end of the quasi-constellation, a square boss 10 matched with a trapezoid hole at the middle part of the quasi-constellation, and a horizontal positioning reference surface 11 matched with one end surface of the first cylindrical hole and one end surface of the second cylindrical hole on the quasi-constellation, the left side surface and the right side surface of the square boss are positioning surfaces matched with the left side surface and the right side surface of the trapezoid hole at the middle part of the quasi-constellation, the hydraulic cylinder support is fixed on the horizontal bridge plate, the first-order hydraulic cylinder is fixed on the hydraulic cylinder support, a piston rod of the first-order hydraulic cylinder horizontally faces the square boss on the clamp body, and the first-order pressing plate is vertically fixed on the end portion of the piston rod of the first-order hydraulic cylinder.

The second-order clamp comprises a horizontal positioning base plate 12 fixed on the top surface of a horizontal bridge plate, a first positioning pin 13 vertically fixed on the horizontal positioning base plate and matched with a first cylindrical hole at the left end of the quasi-constellation, a second positioning pin 14 vertically fixed on the horizontal positioning base plate and matched with a second cylindrical hole at the right end of the quasi-constellation, a second-order hydraulic cylinder 15 vertically fixed on the bottom surface of the horizontal bridge plate, a pull rod 16 coaxially fixed on a piston rod of the second-order hydraulic cylinder and upwards penetrating through the horizontal bridge plate and the horizontal positioning base plate, a second-order pressure plate 17 positioned at the upper end of the pull rod, and a pressure head 18 arranged at the upper end of the pull rod and used for applying, the middle part of the second-order pressing plate is provided with a slotted hole 19, the lower part of the pressing head is positioned in the slotted hole and is in sliding fit with the slotted hole, and one end of the second-order pressing plate is provided with a raised head 20 which is inserted into a trapezoidal hole in the middle part of the quasi-constellation to apply pressure to the quasi-constellation. Pressure head 18 is the screw in this embodiment, and screw easy dismounting is convenient for assemble clamp plate.

The quasi-constellation milling tool is arranged in a processing center and processes the quasi-constellation in an aligning mode.

The front and back position of the quasi-constellation is injectd through first arc wall 8 and second arc wall 9 to a preface anchor clamps of this embodiment quasi-constellation milling process frock, the left surface and the right flank through square boss and the left surface and the right flank cooperation of quasi-constellation middle part trapezoidal hole are injectd the position about the quasi-constellation, the upper and lower position of quasi-constellation is injectd through the horizontal positioning reference surface, and utilize a preface pneumatic cylinder drive preface clamp plate to press in the side middle part of quasi-constellation, thereby fix a position the quasi-constellation fixedly, the fixed reliability in location is high. On a first-order clamp, a machining center can complete milling of a first cylindrical hole 101, a second cylindrical through hole 102 and a third cylindrical hole 103 of an alignment constellation and milling of horizontal end faces of the first cylindrical hole 101 and the second cylindrical through hole 102.

The two-sequence clamp of the quasi-constellation milling tool of the embodiment limits the upper and lower positions of the quasi-constellation through the horizontal positioning substrate, limits the front and rear and left and right positions of the quasi-constellation through the matching of the first positioning pin 13 and the second positioning pin 14 with the processed first cylindrical hole 101 and the second cylindrical through hole 102, and utilizes the two-sequence hydraulic cylinder to drive the pressure head to apply pressure to the two-sequence pressure plate, so that the pressure head of the two-sequence pressure plate is positioned and fixed on the bottom of the trapezoidal hole on the quasi-constellation, and the positioning and fixing reliability is high. On the first-order clamp, the machining center can complete the milling of the fourth cylindrical hole 104 aligned with the constellation and the milling of the end face of the other end of the first cylindrical hole 101.

This embodiment quasi-constellation milling process frock, the quasi-constellation on the preface anchor clamps directly goes to the preface anchor clamps and processes on the processing back, thereby with the milling process of the first cylinder hole of quasi-constellation and the cylindrical through-hole of second, the milling process of the first cylinder hole and the cylindrical through-hole both ends terminal surface of second, the milling process of third cylinder hole and fourth cylinder hole is whole to be accomplished in a frock and one process, has reduced work piece turnover and tool changing time, has reduced frock quantity, has improved machining efficiency.

And the quasi-constellation milling tool adopts pneumatic clamping, so that the clamping efficiency is high, the clamping force is large, the stability is good, and the machining precision can be better ensured.

As an improvement to the above embodiment, the horizontal positioning substrate is vertically provided with a guide post 21, and the guide post is located in the slotted hole of the second-order pressing plate. When the two-sequence pressing plate moves horizontally, the two-sequence pressing plate is guided through the guide column, so that the horizontal deflection of the two-sequence pressing plate is avoided, and the clamping efficiency can be improved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (2)

1. The utility model provides a quasi-constellation milling process frock which characterized in that: the device comprises a horizontal bridge plate, connecting seats arranged at two ends of the horizontal bridge plate, a first-order clamp arranged on the horizontal bridge plate and a second-order clamp arranged on the horizontal bridge plate;

the first-order clamp comprises a clamp body, a hydraulic cylinder support, a first-order hydraulic cylinder and a first-order pressing plate, the clamp body is fixed on the top surface of the horizontal bridge plate, a first arc-shaped groove matched with the outer wall surface of a first cylindrical hole at the left end of the quasi-constellation, a second arc-shaped groove matched with the outer wall surface of a second cylindrical hole at the right end of the quasi-constellation, a square boss matched with a trapezoidal hole in the middle of the quasi-constellation and a horizontal positioning reference surface matched with one end surface of the first cylindrical hole and one end surface of the second cylindrical hole in the quasi-constellation are arranged on the clamp body, the left side surface and the right side surface of the square boss are positioning surfaces matched with the left side surface and the right side surface of the trapezoidal hole in the, the hydraulic cylinder support is fixed on the horizontal bridge plate, the first-order hydraulic cylinder is fixed on the hydraulic cylinder support, a piston rod of the first-order hydraulic cylinder horizontally faces the square boss on the clamp body, and the first-order pressure plate is vertically fixed on the end part of the piston rod of the first-order hydraulic cylinder;

the second-order clamp comprises a horizontal positioning base plate fixed on the top surface of the horizontal bridge plate, a first positioning pin vertically fixed on the horizontal positioning base plate and matched with a first cylindrical hole at the left end of the quasi-constellation, a second positioning pin vertically fixed on the horizontal positioning base plate and matched with a second cylindrical hole at the right end of the quasi-constellation, a second-order hydraulic cylinder vertically fixed on the bottom surface of the horizontal bridge plate, a pull rod coaxially fixed on a piston rod of the second-order hydraulic cylinder and upwards penetrating through the horizontal bridge plate and the horizontal positioning base plate, a second-order pressing plate located at the upper end of the pull rod, and a pressing head arranged on the upper end of the pull rod and applying pressure to the second-order pressing plate, wherein a strip-shaped groove hole is formed in the middle of the second-order pressing plate, the lower portion of the pressing head is located in the strip-shaped groove hole and is in sliding fit.

2. The quasi-constellation milling tool according to claim 1, wherein: and the horizontal positioning substrate is vertically provided with a guide post which is positioned in a slotted hole of the two-sequence pressing plate.

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