CN219310157U

CN219310157U - Clamp for flange drilling

Info

Publication number: CN219310157U
Application number: CN202320368880.2U
Authority: CN
Inventors: 宋代娣; 李咸阳; 宋代芳
Original assignee: Zhangqiushi Deyang Machinery Co ltd
Current assignee: Zhangqiushi Deyang Machinery Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-07
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to a clamp for drilling a flange, and belongs to the technical field of flange machining. The device comprises a base, a supporting shaft and a drill jig; a circular notch is formed in the middle of the base; the drill jig is disc-shaped, a plurality of positioning holes are uniformly formed in the drill jig along the circumferential direction of the drill jig, a through hole is formed in the center of the drill jig, positioning plates are respectively arranged on two sides of the drill jig along the radial direction of the drill jig along the direction away from the disc, and the positioning plates are detachably connected with the base; the support shaft is vertically arranged, the lower end of the support shaft is placed in the notch, and the upper part of the support shaft penetrates through the through hole; a plurality of flanges are sleeved on a supporting shaft between the drill jig and the base, the base is provided with an annular groove along the circumferential direction of the outer ring of the notch, and the positioning hole is projected downwards in the annular groove; according to the utility model, the flange is sleeved on the support shaft, the drill jig and the base are respectively arranged up and down, the drill jig is detachably connected with the base, the drill jig is connected with the base through the bolts, the simultaneous fixing of a plurality of flanges is realized, the flanges are ensured to be motionless during flange processing, and processing errors are avoided.

Description

Clamp for flange drilling

Technical Field

The utility model relates to the technical field of flange machining, in particular to a clamp for flange drilling.

Background

The flange is simply called as a flange, a plurality of fixing holes are formed in the periphery of a disc-like metal body and used for connecting other things, a central shaft hole and bolt holes are formed in the flange and are uniformly formed in the periphery of the flange, a numerical control drilling machine is generally used for drilling holes in the flange, the flange is clamped through a clamp and then is drilled, generally, one flange is clamped first and then is drilled, after machining is finished, the machined flange is taken down to replace an unprocessed flange, the efficiency is low, if the flanges are stacked together and drilled simultaneously, drilling deviation easily occurs due to the fact that the thickness is large, a clamp capable of clamping the flanges simultaneously is needed, and the flanges are clamped simultaneously to drill under the condition that the drilling accuracy is guaranteed.

Disclosure of Invention

In order to solve the problems set forth in the background art, the present utility model provides a fixture for drilling a flange.

The utility model provides a clamp for flange drilling, which adopts the following technical scheme: the fixture for drilling the flange comprises a base, a supporting shaft and a drilling jig;

a circular notch is formed in the middle of the base;

the drill jig is disc-shaped, a plurality of positioning holes are uniformly formed in the drill jig along the circumferential direction of the drill jig, a through hole is formed in the center of the drill jig, positioning plates are respectively arranged on two sides of the drill jig along the radial direction of the drill jig along the direction away from the disc, and the positioning plates are detachably connected with the base;

the supporting shaft is vertically arranged, the lower end of the supporting shaft is placed in the notch, and the upper part of the supporting shaft penetrates through the through hole;

the support shaft between the drill jig and the base is sleeved with a plurality of flanges, the base is provided with an annular groove along the circumferential direction of the outer ring of the notch, and the positioning hole is projected downwards in the annular groove.

Through adopting above-mentioned technical scheme, place a plurality of flanges of waiting to bore hole in the middle of jig and base, the cover is established on the back shaft, is connected locating plate and base again, can press from both sides a plurality of flanges tight simultaneously, fixes a position the flange drilling through the locating hole on the jig, guarantees drilling precision, realizes pressing from both sides tight a plurality of flanges, carries out drilling processing to a plurality of flanges simultaneously.

Preferably, the positioning plate is provided with a bolt hole, and the positioning plate is connected with the base through a bolt.

By adopting the technical scheme, a plurality of flanges are clamped simultaneously, the flange is prevented from moving during drilling and processing of the flange, and the processing precision is reduced.

Preferably, a drilling mechanism is arranged above the drilling jig.

Preferably, the drilling mechanism comprises a column, a cross beam, a cross frame and at least one drilling part; the upright posts are vertically arranged, the cross beams are horizontally arranged, and one end of each cross beam is fixedly connected with the top ends of the upright posts; the transverse frame is arranged below the cross beam and is rotationally connected with the cross beam; the drilling part comprises a drill bit, the linear expansion device is arranged at the lower part of the transverse frame and is in sliding connection with the transverse beam, and the drill bit is arranged at the expansion end of the linear expansion device.

Through adopting this technical scheme, drilling portion aims at locating hole and downwards to flange drilling processing, and crossbeams rotate with the crossbeam to be connected, and the drilling portion of being convenient for rotates to aim at different locating holes and bore, and sets up drilling and crossbeam sliding connection, is convenient for adjust drilling portion radial position, is applicable to not unidimensional jig.

Preferably, the number of the drilling parts is two, and the drilling parts are symmetrically distributed at the lower part of the transverse frame.

By adopting the technical scheme, two drilling parts drill simultaneously, so that the efficiency is improved.

Preferably, the linear expansion device is an electric push rod or a hydraulic cylinder.

Preferably, a copper sleeve is arranged in each positioning hole.

Through adopting this technical scheme, when drilling pushes down and passes the locating hole to the flange, can play the effect of protection to the jig, prevent that drilling portion and jig from contacting and causing the damage to the jig if the copper sheathing takes place to damage can in time change the copper sheathing, change simply, and reduce cost.

Preferably, the drill jig and the positioning plate are integrally formed.

In summary, the utility model has the following beneficial technical effects:

1. according to the utility model, the drill jig, the support shaft and the base are arranged, the flange to be drilled is arranged between the drill jig and the base and sleeved on the support shaft, and then the flange to be drilled is connected with the base through the connecting plate integrally formed with the drill jig, so that a plurality of flanges can be fixed at the same time, drilling processing is carried out on the plurality of flanges, the flanges are ensured to be motionless, and processing errors are avoided;

2. the drilling mechanism is arranged to be connected with the drilling part through the rotatable cross frame, the drilling jig is provided with the plurality of positioning holes, the drilling part is used for positioning and drilling holes downwards through the positioning holes, after the drilling is completed, the drilling part is used for drilling holes along different positioning holes of the drilling jig through rotation of the cross frame, and the drilling part can be provided with a plurality of holes for drilling simultaneously, so that the efficiency is improved under the condition of ensuring the drilling precision.

Drawings

FIG. 1 is a schematic forward view of an application structure of the present utility model;

FIG. 2 is a schematic perspective view of an application structure of the present utility model;

FIG. 3 is a schematic view of a base of the present utility model;

FIG. 4 is a schematic view of a jig and a locating plate according to the present utility model.

Reference numerals illustrate:

1-a base; 11-notch; 12-an annular groove;

2-a support shaft;

3-drilling a die; 31-positioning holes; 32-through holes;

4-positioning plates; 41-bolt holes;

5-flanges;

6-a drilling mechanism; 61-stand columns; 62-a cross beam; 63-a cross frame; 64-a drilling section; 641-linear telescoping means; 642-bit

7-bolts.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1

The embodiment of the utility model discloses a clamp for flange drilling.

As shown in fig. 1 and 2, a jig for drilling a flange includes a base 1, a support shaft 2, and a jig 3.

As shown in fig. 3, a circular notch 11 is formed in the middle of the base 1, and an annular groove 12 is formed along the circumferential direction of the outer ring of the notch 11.

As shown in fig. 2 and 4, the jig 3 is a disc, a plurality of positioning holes 31 are uniformly formed in the circumference of the jig 3, a circular through hole 32 is formed in the center of the jig 3, the positioning holes 31 are projected downwards in the annular groove 12, copper sleeves are arranged in the positioning holes 31, positioning plates 4 are respectively arranged on two radial sides of the jig 3 along the radial direction of the jig in a direction away from the disc, the jig 3 and the positioning plates 4 are integrally formed, bolt holes 41 are formed in the positioning plates 4, the positioning plates 4 are connected with the base 1 through bolts, and the positioning plates 4 are connected with the base 1 through bolts 7.

The support shaft 2 is vertically arranged, the lower end of the support shaft is placed in the notch 11, and the upper part of the support shaft passes through the through hole 32.

A plurality of flanges 5 are sleeved on the supporting shaft 2 between the drill jig 3 and the base 1.

As shown in fig. 2, the drilling mechanism 6 includes a column 61, a cross member 62, a cross member 63, and at least one drilling portion 64; the upright posts 61 are vertically arranged, the cross beams 62 are horizontally arranged, and one end of each cross beam is fixedly connected with the top ends of the upright posts 61; the cross frame 63 is arranged below the cross beam 62 and is rotationally connected with the cross beam 62; the drilling portion 64 includes a linear expansion device 641 and a drill bit 642, the linear expansion device 641 being mounted on a lower portion of the cross frame 63 and slidably connected to the cross beam 62, the drill bit 642 being mounted on an expansion end of the linear expansion device 641.

The linear telescoping device 641 can adopt an electric push rod or a hydraulic cylinder, the drill bit 642 is vertically arranged and is connected with a telescoping end of the electric push rod or a hydraulic rod of the hydraulic cylinder, and a drilling end faces the positioning hole 31.

Specifically, the number of the drilling portions 64 is two, and the drilling portions are symmetrically arranged at the lower portion of the cross frame 63.

The working mode of the clamp for drilling the flange provided by the embodiment of the utility model is as follows: the support shaft 2 is vertically placed, the lower portion is inserted into the notch 11, the flange 5 to be drilled is sleeved on the support shaft 2, the drill jig 3 is sleeved on the support shaft 2, the bolts penetrate through the bolt holes 41 to fixedly connect the positioning plate 4 with the base 1, the flange 5 is prevented from rotating, the drilling part 64 is started, the drill bit 642 drills downwards along the positioning holes 31, the drill bit 642 drills the multilayer flange 5 simultaneously, and the bottom of the drill bit 642 drills downwards to the annular groove 12, so that the drilling precision is ensured.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a flange anchor clamps for drilling which characterized in that: comprises a base (1), a supporting shaft (2) and a drilling jig (3);

a circular notch (11) is formed in the middle of the base (1);

the drill jig (3) is disc-shaped, a plurality of positioning holes (31) are uniformly formed in the drill jig (3) along the circumferential direction of the drill jig, a through hole (32) is formed in the center of the drill jig, positioning plates (4) are respectively arranged on two radial sides of the drill jig (3) along the direction away from the disc, and the positioning plates (4) are detachably connected with the base (1);

the supporting shaft (2) is vertically arranged, the lower end of the supporting shaft is placed in the notch (11), and the upper part of the supporting shaft penetrates through the through hole (32);

a plurality of flanges (5) are sleeved on a supporting shaft (2) between a drilling jig (3) and a base (1), an annular groove (12) is formed in the base (1) along the circumferential direction of the outer ring of a notch (11), and a positioning hole (31) is projected downwards in the annular groove (12).

2. A flange drilling jig according to claim 1, wherein: the positioning plate (4) is provided with a bolt hole (41), and the positioning plate (4) is connected with the base (1) through bolts.

3. A flange drilling jig according to claim 2, wherein: a drilling mechanism (6) is arranged above the drilling jig (3).

4. A flange drilling jig according to claim 3, wherein: the drilling mechanism (6) comprises a column (61), a cross beam (62), a cross frame (63) and at least one drilling part (64);

the upright posts (61) are vertically arranged, the cross beams (62) are horizontally arranged, and one ends of the cross beams are fixedly connected with the top ends of the upright posts (61);

the transverse frame (63) is arranged below the transverse beam (62) and is rotationally connected with the transverse beam (62);

the drilling part (64) comprises a linear telescopic device (641) and a drill bit (642), the linear telescopic device (641) is arranged at the lower part of the transverse frame (63) and is in sliding connection with the transverse beam (62), and the drill bit (642) is arranged at the telescopic end of the linear telescopic device (641).

5. The fixture for drilling a flange according to claim 4, wherein: the number of the drilling parts (64) is two, and the drilling parts are symmetrically distributed at the lower part of the transverse frame (63).

6. The fixture for drilling a flange according to claim 5, wherein: the linear expansion device (641) is an electric push rod or a hydraulic cylinder.

7. A flange drilling jig according to claim 1, wherein: and a copper sleeve is arranged in each positioning hole (31).

8. A flange drilling jig according to claim 3, wherein: the drilling jig (3) and the positioning plate (4) are integrally formed.