CN214720881U

CN214720881U - Special-shaped piece double-counter bore milling mechanism

Info

Publication number: CN214720881U
Application number: CN202022339298.2U
Authority: CN
Inventors: 刘睿; 顾小成
Original assignee: Howmet Fastening Systems Suzhou Co Ltd
Current assignee: Howmet Fastening Systems Suzhou Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-11-16
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a two counter bores of dysmorphism piece mill mechanism relates to machining technical field, aims at solving the single and can only process a hole, inefficiency, and counter bore opening diameter machining precision is by the spacing decision of board up-and-down stroke, and the quality is unstable, the secondary clamping, the hole heart of two counter bores apart from the problem that can't guarantee. The technical scheme is that the drilling machine comprises a drilling machine multi-axis device and a counter bore milling cutter fixed on the drilling machine multi-axis device, and further comprises a hole site positioning plate arranged below the counter bore milling cutter, two yielding holes for the counter bore milling cutter to pass through are formed in the hole site positioning plate, a stop plate, a push-pull positioning block and a base are sequentially arranged below the hole site positioning plate, and a station for placing a workpiece is formed in the top surface of the push-pull positioning block. Two counter bores of once processing, lifting efficiency, the hole site locating plate on the anchor clamps of the hole core distance of two counter bores is guaranteed, and the location is accurate, and counter bore opening diameter is guaranteed by equal-height sleeve, and size precision is high and easily adjusts.

Description

Special-shaped piece double-counter bore milling mechanism

Technical Field

The utility model belongs to the technical field of the technique of machining and specifically relates to a two counter bores of dysmorphism mill mechanism is related to.

Background

Referring to fig. 1, a special-shaped part with double counter bores is subjected to counter bore milling processing on the surface of the special-shaped part, is assisted by a profiling positioning clamp, and is subjected to counter bore milling twice by using a manual single-shaft bench drill.

The method comprises the following specific steps: and placing the part into a positioning fixture, starting the bench drill to automatically feed/retract the cutter to process the counter bore on one side, taking out the part, turning 180 degrees, placing the part into a fixing fixture, and starting the bench drill to automatically feed/retract the cutter to process the counter bore on the other side.

The above prior art solutions have the following drawbacks: only one hole can be machined at a time, and one part can be machined only by clamping twice, so that the efficiency is low; the processing precision of the diameter of the opening of the counter bore is determined by the up-down stroke limit of the machine table, and the quality is unstable; the secondary clamping, the hole heart distance of two counter bores can't be guaranteed, and it is fixed that current appearance positioning fixture does not have Z axial to press the material, takes the part out when bench drill moves back the sword easily, has the potential safety hazard, consequently remains further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two counter bores of dysmorphism mill mechanism, it has the effect of the accurate, the high, once processing two counter bores of size precision in location.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a two counter bores of dysmorphism piece mill mechanism, includes drilling machine multi-axial organ and fixes the counter bore milling cutter on drilling machine multi-axial organ, still including setting up the hole site locating plate in counter bore milling cutter below, set up the hole of stepping down that two confession counter bore milling cutters passed through on the hole site locating plate, the below of hole site locating plate has set gradually backstop board, plug-type locating piece and base, set up the station that supplies the work piece to place on the top surface of plug-type locating piece.

The utility model discloses further set up to: two stations are arranged in parallel along the length direction of the push-pull type positioning block.

The utility model discloses further set up to: the push-pull type positioning block is characterized in that a groove for the push-pull type positioning block to pass through is formed in the top surface of the base, clamping blocks are respectively arranged on two opposite side surfaces of the push-pull type positioning block, and clamping grooves matched with the clamping blocks in a clamping and embedding mode are formed in two inner walls, opposite to the groove.

The utility model discloses further set up to: two parallel chip grooves are formed in the bottom surface of the push-pull type positioning block along the length direction of the push-pull type positioning block.

The utility model discloses further set up to: and the top surface of the hole site positioning plate is vertically provided with an equal-height sleeve, and the equal-height sleeve is parallel to the counter bore milling cutter.

The utility model discloses further set up to: two equal-height sleeves are symmetrically arranged.

To sum up, the utility model discloses a beneficial technological effect does:

1. two counter bores are machined at a time through the arrangement of the hole position positioning plate and the push-pull type positioning block, so that the efficiency is improved;

2. through the arrangement of the two stations, the push-pull type positioning block can take out a machined part and place the next part to be machined while machining the current part, so that the time waste of feeding and discharging in the whole machining process is reduced, and the efficiency is further improved;

3. through the arrangement of the equal-height sleeves, the diameter of the opening of the counter bore is ensured by the equal-height sleeves, the size precision is high, and the adjustment is easy.

Drawings

FIG. 1 is a schematic structural diagram of a profile with double counter bores in the prior art;

fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 3 is a first schematic structural view for showing a push-pull positioning block;

fig. 4 is a schematic structural view II for showing the push-pull positioning block.

In the figure, 1, a hole position positioning plate; 11. a hole of abdication; 2. a stopper plate; 3. a push-pull positioning block; 31. a station; 32. a chip groove; 4. a base; 41. a groove; 5. a clamping block; 51. a card slot; 6. a sleeve with equal height.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Refer to fig. 2 and 3, do the utility model discloses a two counter bores of dysmorphism piece mill mechanism, including drilling machine multi-axial tool and fix the counter bore milling cutter on drilling machine multi-axial tool, still including setting up hole site locating plate 1 in counter bore milling cutter below, set up two holes of stepping down that supply counter bore milling cutter to pass through on the hole site locating plate 1, the hole center distance of two counter bores is guaranteed by hole site locating plate 1 on the anchor clamps, and the location is accurate. A stop plate 2, a push-pull positioning block 3 and a base 4 are sequentially arranged below the hole position positioning plate 1, a work station 31 for placing a workpiece is arranged on the top surface of the push-pull positioning block 3, and two work stations 31 are arranged in parallel along the length direction of the push-pull positioning block 3. All degrees of freedom of parts are restrained in the whole machining process, the stop plates 2 can compress the parts during feeding, automatic stripping can be realized during withdrawal, and potential safety hazards of withdrawal of tools and material are eliminated.

Referring to fig. 2 and 3, the top surface of the hole site positioning plate 1 is vertically provided with equal-height sleeves 6, the equal-height sleeves 6 are parallel to the counter bore milling cutter, and two equal-height sleeves 6 are symmetrically arranged. The diameter of the opening of the counter bore is ensured by the equal-height sleeve 6, the size precision is high, and the adjustment is easy.

Referring to fig. 3 and 4, a groove 41 for the push-pull positioning block 3 to pass through is formed on the top surface of the base 4, two opposite side surfaces of the push-pull positioning block 3 are respectively provided with a fixture block 5, and two inner walls opposite to the groove 41 are provided with a clamping groove 51 in clamping fit with the fixture block 5. Two parallel chip grooves 32 are arranged on the bottom surface of the push-pull positioning block 3 along the length direction. The two stations 31 are switched in a push-pull mode, and the limiting is accurate; meanwhile, the chip groove 32 is designed to effectively prevent the chip residue from influencing positioning and sliding.

The implementation principle of the embodiment is as follows: placing the part into the right station 31 on the push-pull type positioning block 3, pushing the right station 31 to a processing position, and clamping the fixture block 5 close to the right station 31 to be clamped and embedded in the clamping groove 51;

starting the bench drill to automatically feed/retract a cutter to process two counter bores (a counter bore milling cutter descends to process a special-shaped part through a abdicating hole 11), and simultaneously removing a processed part on a station 31 on the left side of the push-pull positioning block 3 and placing the next part to be processed;

after the tool withdrawal is finished, the left station 31 is pushed to the processing position, and the fixture block 5 close to the left station 31 is clamped and embedded in the clamping groove 51;

starting the bench drill to automatically feed/retract a cutter to process two counter bores, and simultaneously removing a processed part on a station 31 on the right side of the push-pull type positioning block 3 and placing a next part to be processed;

and repeating the steps to realize continuous processing.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a two counter bores of dysmorphism mill the mechanism, includes drilling machine multi-axial organ and fixes the counter bore milling cutter on drilling machine multi-axial organ, its characterized in that: still including setting up in hole site locating plate (1) of counter bore milling cutter below, set up two hole of stepping down (11) that supply counter bore milling cutter to pass through on hole site locating plate (1), the below of hole site locating plate (1) has set gradually backstop board (2), plug-type locating piece (3) and base (4), set up station (31) that supply the work piece to place on the top surface of plug-type locating piece (3).

2. The special-shaped piece double-counterbore milling mechanism of claim 1 is characterized in that: two stations (31) are arranged in parallel along the length direction of the push-pull positioning block (3).

3. The special-shaped piece double-counterbore milling mechanism of claim 2 is characterized in that: the push-pull type positioning device is characterized in that a groove (41) for a push-pull type positioning block (3) to pass through is formed in the top surface of the base (4), clamping blocks (5) are respectively arranged on two opposite side surfaces of the push-pull type positioning block (3), and clamping grooves (51) matched with the clamping blocks (5) in a clamping and embedding mode are formed in two inner walls, opposite to the groove (41).

4. The special-shaped piece double-counterbore milling mechanism of claim 3 is characterized in that: two parallel chip grooves (32) are formed in the bottom surface of the push-pull positioning block (3) along the length direction of the push-pull positioning block.

5. The special-shaped piece double-counterbore milling mechanism of claim 1 is characterized in that: the hole site locating plate is characterized in that an equal-height sleeve (6) is vertically arranged on the top surface of the hole site locating plate (1), and the equal-height sleeve (6) is parallel to the counter bore milling cutter.

6. The special-shaped piece double-counterbore milling mechanism of claim 5 is characterized in that: the equal-height sleeves (6) are symmetrically provided with two.