CN211966044U - A universal flange drilling die - Google Patents

Abstract

The new model relates to a universal flange drilling die, belonging to the field of machining tooling for mechanical parts, in particular to the field of tooling for drilling processing. It includes a bottom plate of a drill die, a rotating bracket, a drill sleeve assembly and a positioning pin; wherein the bottom plate of the drill die is a disc-shaped part, and the bottom plate of the drill die is evenly divided into angular grooves along the circumferential direction, and the bottom plate of the drill die is provided with a rotary The fixed end of the rotating support is arranged at the center point of the circumference of the bottom plate of the drilling die, the free end can be rotated around the fixed end, and a drill sleeve and a drill sleeve assembly are arranged on the rotating support. The beneficial effects of the new model are: greatly improving its versatility, reducing tooling manufacturing costs and management costs, and improving work efficiency.

Description

A universal flange drilling die

technical field

The new model relates to a universal flange drilling die, which belongs to the field of tooling for machining parts, especially the field of tooling for drilling processing.

Background technique

When processing disc-shaped flange parts, it is often necessary to design a special drilling template according to the requirements of the flange part holes. When the center distance of the holes on the flange changes, different drilling templates need to be designed. The corresponding number of matching drill sleeves are designed, resulting in poor universality of the drill template. The design of the new drilling template not only increases the manufacturing cost and management cost of the drilling template, but also takes time to process the drilling template, which greatly reduces the processing efficiency.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a universal flange drilling die, which can solve the problems of poor versatility and high cost of the existing flange drilling template, and reduce the time for inventory management of the drilling die.

In order to solve the above problems, the technical scheme adopted by the present invention is: a universal flange drilling die, comprising a drilling die bottom plate, a rotating bracket, a drilling sleeve assembly and a positioning pin;

Among them, the bottom plate of the drill mold is a disc-shaped part, and there are equally divided angle grooves evenly divided along the circumferential direction on the bottom plate of the drill mold.

A rotating bracket is arranged on the bottom plate of the drilling die, the fixed end of the rotating bracket is arranged at the center point of the circumference of the bottom plate of the drilling die, the free end can rotate around the fixed end, and a drill sleeve and a drill sleeve assembly are arranged on the rotating bracket.

A general-purpose flange drilling die as described above, wherein a plurality of positioning grooves are evenly arranged on the bottom plate of the drilling die along the circumferential direction, and the positioning grooves are arranged between the equally divided angle grooves and are arranged along the depth direction of the positioning grooves. Scale ruler, set the positioning pin on the positioning groove.

A universal flange drilling die as described above, wherein the number of equally divided angle grooves is 24, which are evenly distributed along the circumferential direction of the bottom plate of the drilling die.

A universal flange drilling die as mentioned above, wherein the cross section of the positioning groove is in a "dry" shape.

In the above-mentioned universal flange drilling die, there are three positioning grooves in total.

A general-purpose flange drilling die as described above, wherein the rotating support is an elongated part, a positioning shaft hole is set at the fixed end of the rotating support, a hole positioning groove is set at the free end of the rotating support, and a positioning hole is set at the fixed end of the rotating support. A support screw hole is arranged between the shaft hole and the hole positioning groove.

A kind of universal flange drilling die as described above, wherein, the fixed end of the rotating support is arranged on the bottom plate of the drilling die through a connecting assembly, and the connecting assembly includes a positioning shaft, and the positioning shaft passes through the positioning shaft hole of the rotating support and the drilling die The hole at the center point of the bottom plate, the positioning shaft is an inverted "T"-shaped part, a threaded hole is set at the bottom end of the positioning shaft, a tension screw and a washer are set in the threaded hole, and a connection surface between the positioning shaft and the rotating bracket is set bearing.

A kind of universal flange drilling die as mentioned above, wherein, a drill sleeve base is provided on the rotating support, a drill sleeve is provided on the drill sleeve base, and the drill sleeve base and the drill sleeve are arranged on the rotating support through the drill sleeve assembly and the adjusting bolt. superior.

A general-purpose flange drilling die as described above, wherein the cross section of the base of the drill sleeve is an inverted "mountain" shape, a through hole penetrating the part is arranged in the center, and a drill is arranged at the through hole in the center. The sleeve fixing groove is provided with a drill sleeve installation groove on the top surface of the drill sleeve base.

A universal flange drilling die as described above, wherein the drill sleeve is a cylindrical part with a through hole, the outer surface of the top of the drill sleeve is provided with a protruding outer circle, and two sides are provided below the protruding outer circle. Designed with shoulders on both ears.

The beneficial effect of the new type is that the flange workpiece is precisely positioned by the positioning pin, and the flange drilling is completed through the cooperation of the rotatable bracket with the drill sleeve base that can be precisely adjusted in the radial direction and the drill sleeve with the inner hole size replaceable. Therefore, for flange workpieces with the same number of holes, different hole center distances, and different diameters, there is no need to configure a drill template separately. The design is reasonable, which greatly improves its versatility, reduces tooling manufacturing costs and management costs, and improves work efficiency.

Description of drawings

Fig. 1 is the structural schematic diagram of a new type of universal flange drilling die;

Fig. 2 is the top view schematic diagram of Fig. 1;

Figure 3 is a schematic diagram of the structure of the bottom plate of the drilling die

Fig. 4 is an enlarged view of the direction A in Fig. 3

Figure 5 is a schematic diagram of the structure of the rotating bracket

Figure 6 is a schematic diagram of the structure of the connection assembly

Figure 7 is the front view of the drill sleeve base

FIG. 8 is a top view of FIG. 6

Fig. 9 is a right side view of Fig. 6

Figure 10 is a structural diagram of the drill sleeve

FIG. 11 is a top view of FIG. 9

Figure 12 is a structural diagram of the positioning pin

FIG. 13 is a top view of FIG. 11

Description of reference numerals in the accompanying drawings: 1-drill die bottom plate; 2-rotating support; 3-drill sleeve base; 4-drill sleeve; 5-drill sleeve assembly; 6-adjusting bolt; 7-connection assembly; 8-grating sensor ;9-scale ruler;10-positioning pin;31-equal angle groove;32-positioning groove;33-center bearing seat;41-positioning shaft hole;42-support screw hole;43-hole positioning groove4;51- Positioning shaft; 52-bearing; 53-washer; 54-tightening screw; 63-drill sleeve installation groove; 61-drill sleeve fixing groove; 62- base installation sliding groove; 71- protruding outer circle; Shoulders on both ears.

Detailed ways

A universal flange drilling die of the present invention, as shown in FIG. 1 and FIG. 2 , includes a drilling die base plate 1 , a rotating bracket 2 , a connecting assembly 7 , a drilling sleeve assembly 5 and a positioning pin 10 .

As shown in FIG. 3 , the bottom plate 1 of the drill die is provided with an equally divided angle groove 31 , a positioning groove 32 and a central bearing seat 33 . The positioning grooves are 3 equally divided T-shaped grooves opened on the bottom plate of the drilling die, and there are scales on the edge of the grooves (the enlarged view of A direction in Figure 3).

As shown in FIG. 5, the rotating bracket 2 is provided with a positioning shaft hole 41, a supporting screw hole 42 and a hole positioning groove 43; the end surface of the supporting screw 6 is a spherical surface, which is installed on the supporting screw hole 42 to play a supporting role and ensure that the bracket is in the Smooth sliding during rotation;

The rotating bracket 2 and the bottom plate 1 of the drill die are installed and fixed through the connecting assembly 7 (as shown in FIG. 5 ); the connecting assembly 7 includes a positioning shaft 51, a bearing 52, a washer 53, and a tightening screw 54; first pass the lower end of the positioning shaft 51 through the The bearing 52 is connected with the center bearing seat 33 of the bottom plate of the drilling die, and is connected and fixed by the tensioning screw 54. The positioning shaft 51 and the center bearing seat 33 are fixed. Then fix the upper end of the positioning shaft 51 on the positioning shaft hole of the rotating bracket by a nut, and add a gasket between the nut and the bracket.

The drill sleeve assembly 5 includes a drill sleeve base 3, a drill sleeve 4 and an adjusting bolt 6; the drill sleeve base is provided with a drill sleeve installation groove 63, a drill sleeve fixing groove 61 and a base installation sliding groove 62 (see Figure 6-8); The sleeve base is embedded in the hole positioning groove on the bracket through the installation sliding groove (see Figure 4); the upper part of the drill sleeve is designed to protrude from the outer circle 71, and two shoulders 72 are designed on both sides. Install the two shoulders into the drill sleeve base The drill sleeve installation groove on the upper part of the drill sleeve is rotated at a certain angle and locked into the drill sleeve fixing groove, so that the axial freedom of the drill sleeve is limited. The outer diameter of the circle is larger than the maximum size of the installation groove of the drill sleeve base, which can prevent iron filings from being stuck, causing the drill sleeve to be stuck and inconvenient to take out. Rotate in the same direction, and the drill sleeve is replaced according to the actual processing flange hole size. The center of the bracket positioning shaft hole, the center of the bracket support screw hole, the bracket hole positioning groove and the center of the drill sleeve assembly are kept on the same axis.

The locating pin 10 is installed in the locating groove on the bottom plate of the drilling die, and is divided into upper and lower parts. The lower part is T-shaped and can slide in the locating groove.

There are equally divided angle grooves, positioning grooves and central bearing seats on the bottom plate of the drilling mold. The equally divided angle grooves are designed based on the number of holes. The positioning grooves are three equally divided T-shaped grooves opened on the bottom plate of the drilling mold. There is a scale on the side;

The rotating bracket is provided with a positioning shaft hole, a hole positioning slot and a supporting screw hole; the supporting screw is installed at the supporting screw hole, and the end surface of the supporting screw is spherical, which can play a supporting role and ensure smooth rotation during the rotation of the bracket. ;The base of the drill sleeve is installed on the hole positioning groove, and the sensor is installed on the side. When in use, the sensor is accurately positioned according to the center distance of the workpiece to be processed; the positioning shaft is installed on the positioning shaft hole;

The connecting assembly includes a bearing, a gasket, a tensioning screw, and a positioning shaft; the tensioning screw is used to fix the positioning shaft and the bearing seat, and a gasket is installed between the tensioning screw and the bearing seat to prevent the bracket from being seized during the rotation process. ; the positioning shaft is installed in the positioning shaft hole on the rotating bracket, the lower end is connected with the bearing seat of the bottom plate of the drilling die through a bearing, and the upper end is fixed by a nut;

The drill sleeve assembly includes a drill sleeve base, a drill sleeve and an adjustment bolt; the drill sleeve base is designed with a drill sleeve installation groove, a drill sleeve fixing groove and a base installation sliding groove, which is clamped to the base through the base installation sliding groove. on the arms on both sides of the hole positioning groove of the rotating bracket; the drill sleeve is installed on the drill sleeve base through the drill sleeve installation groove, and is fixed by the drill sleeve fixing groove on the drill sleeve base;

The locating pin is installed in the locating groove on the bottom plate of the drilling die, and is divided into upper and lower parts. The lower part is T-shaped and can slide in the locating groove. It is necessary to make the same reading of the scale scale on the edge of the positioning groove corresponding to the three positioning pins to ensure the concentricity of the machined holes.

Two shoulders are designed on both sides of the drill sleeve, which are inserted into the drill sleeve installation groove on the drill sleeve base through the two ears and shoulders, and then locked into the drill sleeve fixing groove on the drill sleeve base after rotating at a certain angle, so that the drill sleeve is axially The degree of freedom is limited; the upper part of the drill sleeve is designed to protrude from the outer circle. After screwing into the fixing groove of the drill sleeve, the protruding outer circle is higher than the upper end face of the drill sleeve base, and the outer diameter is larger than the maximum size of the installation groove of the drill sleeve base. The outer circle of the lower end of the drill sleeve The size is matched with the size of the equally divided angle grooves on the bottom plate of the drill die to limit the rotation of the rotating bracket, and the drill sleeve can be replaced according to the actual flange hole size.

The drill sleeve base can be slid radially along the bottom plate of the drill die to adjust the position, and is fixed by adjusting bolts.

When using the new model, place it on the end face of the flange workpiece to be processed, and position the outer circle of the workpiece by three T-shaped positioning pins 10 on the bottom plate 1 of the drill die, and keep the readings of the three corresponding scale scales 9 consistent to ensure processing. Hole concentricity, lock the locating pin, slide the drill sleeve base 3 radially, and locate it accurately by the grating sensor 8 according to the requirements of the hole center distance of the workpiece, then tighten the adjusting bolt 6 on the drill sleeve base to fix the drill sleeve base, and turn the bracket 2 to make It coincides with an equally divided angle groove on the bottom plate of the drill mold, install the drill sleeve of the required size, and make its lower end sink into the equally divided angle groove on the bottom plate of the drill mold and fix it, complete the drilling work, and then take out the drill sleeve 4. , rotate the bracket along an axial direction of the bottom plate of the drilling die, and complete the prescribed number of drilling holes in sequence.

Claims (9)

1. A universal flange drilling die, characterized in that: comprising a drilling die base plate (1), a rotating support (2), a drill sleeve assembly (5) and a locating pin (10); The bottom plate (1) of the drill mold is a disc-shaped part, and the bottom plate (1) of the drill mold is evenly provided with equally divided angle grooves (31) along the circumferential direction, A rotating bracket (2) is provided on the bottom plate (1) of the drilling die, the fixed end of the rotating bracket (2) is arranged at the center point of the circumference of the bottom plate (1) of the drilling die, and the free end can rotate around the fixed end, and the fixed end of the rotating bracket (2) is arranged at the center point of the circumference of the bottom plate (1) of the drilling die. 2) A drill sleeve (4) and a drill sleeve assembly (5) are arranged on it. 2. A kind of universal flange drilling die as claimed in claim 1, characterized in that: the bottom plate of the drilling die (1) is uniformly provided with a plurality of positioning grooves (32) along the circumferential direction, and the positioning grooves (32) ) is arranged between the equally dividing angle grooves (31), a scale scale (9) is arranged along the depth direction of the positioning groove (32), and a positioning pin (10) is arranged on the positioning groove (32). 3. A universal flange drilling die as claimed in claim 1, characterized in that: the number of equally divided angle grooves (31) is 24, which are evenly distributed along the circumferential direction of the drilling die base plate (1). 4 . The universal flange drilling die according to claim 2 , wherein the cross-section of the positioning groove ( 32 ) is in a “dry” shape. 5 . 5 . The universal flange drilling die according to claim 2 , wherein there are three positioning grooves ( 32 ). 6 . 6. A kind of universal flange drilling die as claimed in claim 1, it is characterized in that: described rotating support (2) is a long strip part, and the fixed end of rotating support (2) is provided with positioning shaft hole ( 41), a hole positioning groove (43) is provided at the free end of the rotating bracket (2), and a support screw hole (42) is provided between the positioning shaft hole (41) and the hole positioning groove (43). 7. A kind of universal flange drilling die as claimed in claim 6, it is characterized in that: the fixed end of the rotating support (2) is arranged on the drilling die base plate (1) through the connecting assembly (7), and the connecting assembly ( 7) Including a positioning shaft (51), the positioning shaft (51) passes through the positioning shaft hole (41) of the rotating bracket (2) and the hole at the center point of the bottom plate (1) of the drill die, and the positioning shaft (51) is an inverted "T". ” type parts, a threaded hole is arranged at the bottom end of the positioning shaft (51), a tension screw (54) and a washer (53) are arranged in the threaded hole, and the connecting surface of the positioning shaft (51) and the rotating bracket (2) is arranged A bearing (52) is provided on the upper. 8. A kind of universal flange drilling die as claimed in claim 1, characterized in that: a drill sleeve base (3) is arranged on the rotating support (2), and a drill sleeve (4) is arranged on the drill sleeve base (3). ), the drill sleeve base (3) and the drill sleeve (4) are arranged on the rotating bracket (2) through the drill sleeve assembly (5) and the adjusting bolt (6). 9. A kind of general-purpose flange drilling die as claimed in claim 8, it is characterized in that: the cross section of described drill sleeve base (3) is an upside-down "mountain" shape, and is provided with a through-hole penetrating part in the center. A drill sleeve fixing groove (61) is arranged at the through hole in the center, and a drill sleeve installation groove (63) is arranged on the top surface of the drill sleeve base (3).

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