CN203738449U - Workpiece inclined hole machining device - Google Patents

Abstract

The utility model relates to the technical field of machine tool fixtures, in particular to a workpiece slant hole processing device. The workpiece positioning tool and the drill template support are arranged on a fixed bracket, and the drill template is rotatably and openly installed on the drill template support through a rotary shaft. The workpiece positioning tool includes the positioning pin at the proximal end of the workpiece, the positioning pin at the far end of the workpiece and the pressure plate. The center of the positioning pin at the proximal end of the workpiece has a cantilevered workpiece pressing shaft. The pressing shaft of the workpiece is parallel to the rotary axis of the drilling template. The nut on the workpiece pressing shaft applies an axial pressing force to the workpiece sleeved on the positioning pin at the proximal end of the workpiece, and the drilling template is positioned above the workpiece pressing shaft. The beneficial effects of the utility model are: the device is simple in structure, easy to operate, easy to build and repair, and low in cost; It greatly improves the processing quality and production efficiency.

Description

A device for processing oblique holes in workpieces

technical field

The utility model relates to the technical field of machine tool fixtures, in particular to a device for processing oblique holes in workpieces.

Background technique

In the processing and production of mechanical parts, it is often necessary to process round holes inclined to the installation plane, reference plane or axis on cylindrical parts. Due to the particularity of the shape of cylindrical parts, the angle of positioning is not accurate, and the tool is easy to slip when drilling. , the accuracy of the inclination angle and the correctness of the position and diameter of the round hole cannot be guaranteed, and the positioning and processing are inconvenient.

Utility model content

The technical problem to be solved by the utility model is: to provide a simple in structure, convenient and practical workpiece inclined hole processing device.

The technical solution adopted by the utility model to solve the technical problem is: a workpiece inclined hole processing device, including a fixed bracket, a drill template, a drill template support and a workpiece positioning tool, and the workpiece positioning tool and the drill template support are arranged On the fixed bracket, the drilling template is rotatably and openly installed on the drilling template support through the rotary shaft. The drilling template has a vertically arranged drilling guide sleeve. The workpiece positioning tool includes a workpiece proximal positioning pin, a workpiece distal positioning pin and Pressing plate, the center of the positioning pin at the proximal end of the workpiece has a cantilevered workpiece pressing shaft, the workpiece pressing shaft is parallel to the rotary axis of the drilling template, the suspended end of the workpiece pressing shaft has threads, and the pressing plate is installed on the workpiece pressing shaft The nut exerts an axial compression force on the workpiece sleeved on the positioning pin at the proximal end of the workpiece, and the drilling template is located above the workpiece compression shaft.

It is further defined that a positioning screw is provided on the fixing bracket, and the positioning screw is located below the workpiece pressing shaft.

Further defined, there are two positioning screws.

It is further defined that the fixed ends of the positioning pin at the proximal end of the workpiece and the positioning pin at the distal end of the workpiece have a positioning block that provides a positioning plane.

It is further defined that the fixed bracket is L-shaped, the positioning pins at the proximal end of the workpiece and the positioning pins at the far end of the workpiece are respectively arranged on the side plates of the fixed bracket, and the drill template support is arranged on the bottom plate of the fixed bracket.

It is further defined that the positioning pin at the proximal end of the workpiece is a cylinder, and the positioning pin at the distal end of the workpiece is a prism.

It is further defined that the pressing plate has an open groove, and the opening side of the pressing plate located in the opening groove is processed into a wedge shape.

The beneficial effects of the utility model are: the device is simple in structure, easy to operate, easy to build and repair, and low in cost; Sex, greatly improving the processing quality and production efficiency.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described;

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the use state of the utility model;

In the figure: 1. Fixed bracket, 2. Positioning pin at the far end of the workpiece, 3. Positioning block, 4. Positioning pin at the proximal end of the workpiece, 5. Drilling guide sleeve, 6. Drilling template, 7. Rotary shaft, 8. Drilling template Bearing, 9. pressing plate, 10. positioning screw, 11. workpiece pressing shaft, 12. workpiece.

Detailed ways

As shown in Figure 1, a kind of workpiece oblique hole machining device comprises fixed bracket 1, drill template 6, drill template support 8 and workpiece positioning frock, and workpiece positioning frock and drill template support 8 are arranged on the fixed support 1, drill The template 6 is rotatably installed on the drill template support 8 through the rotary shaft 7, there are two drill templates 6, and the drill template 6 has a vertically arranged drilling guide sleeve 5.

The workpiece positioning tooling includes the workpiece proximal positioning pin 4, the workpiece distal positioning pin 2 and the pressing plate 9, the workpiece proximal positioning pin 4 is a cylinder, the workpiece distal positioning pin 2 is a prism, and the pressing plate 9 is a U-shaped structure. There is an open groove on the top, and the opening side of the pressing plate 9 which is located in the open groove is processed into a wedge shape. Fixed support 1 is L-shaped, and workpiece near-end locating pin 4, workpiece far-end locating pin 2 are arranged on the side plate of fixed support 1 respectively, and drilling formwork support 8 is arranged on the base plate of fixed support 1. The fixed ends of the positioning pin 4 at the proximal end of the workpiece and the positioning pin 2 at the distal end of the workpiece have a positioning block 3 that provides a positioning plane. The center of the positioning pin 4 at the proximal end of the workpiece has a cantilevered out workpiece pressing shaft 11, and the drilling template 6 is located above the workpiece pressing shaft 11. The workpiece pressing shaft 11 is parallel to the rotary shaft 7 of the drill template 6, and the free end of the workpiece pressing shaft 11 has threads, and the pressing plate 9 is sleeved on the workpiece near-end positioning pin 4 by the nut installed on the workpiece pressing shaft 11. The workpiece 12 exerts an axial compressive force. There are two positioning screws 10 on the fixing bracket 1, and the two positioning screws 10 are located below the workpiece pressing shaft 11.

The shape and size of the positioning pin 4 at the proximal end of the workpiece, the positioning pin 2 at the distal end of the workpiece, and the number of the drilling templates can be changed as required.

As shown in Figure 2, when processing the oblique hole of the workpiece 12 in the figure, the drill template 6 is turned 180° counterclockwise around the rotary shaft 7, and the two holes of the workpiece 12 are respectively placed on the positioning pin 4 at the proximal end of the workpiece and the workpiece Position on the far-end positioning pin 2, and the end faces of the two holes of the workpiece 12 are positioned on the positioning plane of the positioning block 3, so that the inclined circular hole to be processed is perpendicular to the horizontal plane, and the workpiece 12 is fixed on the workpiece pressing plate 9 by the nut. On the tight shaft 11, the lower part of the workpiece 12 rests on the positioning screw 10, and the workpiece 12 is completely positioned. Then, the drill template 6 is turned 180 ° clockwise around the axis of rotation 7 and pressed on the workpiece 12, and the drill bit is fed downward along the drill guide bush 5 on the drill template 6 to process two inclined circular holes on the workpiece 12.

The scope of protection of the utility model is not limited to the specific embodiments disclosed in the specification of the utility model and the drawings of the specification, and should also include the oblique hole processing equipment of similar parts designed through the design idea of the utility model.

Claims (7)

1. a workpiece slant hole processing device, it is characterized in that: comprise fixed support (1), bushing plate (6), bushing plate bearing (8) and workpiece positioning tool, described workpiece positioning tool and bushing plate bearing (8) are arranged on fixed support (1), bushing plate (6) is arranged on bushing plate bearing (8) by rotatable the opening of gyroaxis (7), on bushing plate (6), there is vertically disposed boring guide pin bushing (5)

Workpiece positioning tool comprises workpiece proximally-located pin (4), workpiece far-end alignment pin (2) and pressing plate (9), workpiece proximally-located pin (4) center has the Work-sheet pressing axle (11) that cantilevered is stretched out, Work-sheet pressing axle (11) is parallel with the gyroaxis (7) of bushing plate (6), the free end of Work-sheet pressing axle (11) has screw thread, pressing plate (9) applies axial pressing force by the nut being arranged on Work-sheet pressing axle (11) to the workpiece being enclosed within on workpiece proximally-located pin (4), and bushing plate (6) is positioned at Work-sheet pressing axle (11) top.

2. workpiece slant hole processing device according to claim 1, is characterized in that: on described fixed support (1), have dog screw (10), dog screw (10) is positioned at Work-sheet pressing axle (11) below.

3. workpiece slant hole processing device according to claim 2, is characterized in that: described dog screw (10) has two.

4. workpiece slant hole processing device according to claim 1, is characterized in that: described workpiece proximally-located pin (4), the stiff end of workpiece far-end alignment pin (2) has that the locating piece of plane of orientation (3) is provided.

5. workpiece slant hole processing device according to claim 1, it is characterized in that: described fixed support (1) is L-type, workpiece proximally-located pin (4), workpiece far-end alignment pin (2) are separately positioned on the side plate of fixed support (1), and bushing plate bearing (8) is arranged on the base plate of fixed support (1).

6. workpiece slant hole processing device according to claim 1, is characterized in that: described workpiece proximally-located pin (4) is that cylinder, workpiece far-end alignment pin (2) are prism.

7. workpiece slant hole processing device according to claim 1, is characterized in that: on described pressing plate (9), have open slot, be processed as wedge shape in the opening that is positioned at open slot one side of pressing plate (9).