CN221232323U - Grinding space angle groove positioning auxiliary tool - Google Patents

Abstract

The utility model discloses a grinding space angle groove positioning auxiliary tool, and belongs to the technical field of bench grinding positioning auxiliary tools. The positioning mandrel comprises a hook-shaped positioning plate, a positioning mandrel, screws and a chock, wherein the side wall of a flange plate at the rear end of the positioning mandrel is provided with a yielding plane perpendicular to a radius line of the positioning mandrel, a chute perpendicular to the yielding plane is formed in the yielding plane, and screws screwed into the chute are arranged on the opposite sides of the yielding plane; the hook-shaped locating plate is formed by fixedly connecting a locating plate and a Fang Hua column vertical to the locating plate, the Fang Hua column is located in a chute, a screw is screwed into the Fang Huazhu end part, the locating plate is parallel to the abdication plane of the flange, an angle locating groove is formed in the rear end face of the flange, the included angle between the angle locating grooves, the included angle between the angle locating groove and the abdication plane of the angle locating groove, the included angle between the angle locating groove and the space angle groove are consistent with the included angle between the space angle groove and the machining plane of the space angle groove, and a plug block is placed in the angle locating groove.

Description

Grinding space angle groove positioning auxiliary tool

Technical Field

The utility model relates to a grinding space angle groove positioning auxiliary tool, and belongs to the technical field of bench grinding positioning auxiliary tools.

Background

The frame body is formed by welding special-shaped steel structural members, two grooves in the direction of an included angle of 70 degrees are required to be processed at the end face of a rotating shaft sleeve, and the size tolerance of the groove opening is 0.1mm (shown in figure 1) and is used for limiting the starting and ending angle of the frame body around the rotating shaft. The two notches are parallel to the axis of the tray of the frame body and have strict requirements on size, shape and position and surface roughness. And (3) reserving 0.05-0.1 mm of grinding quantity on one side of the notch at the inner side of each groove at the end face when numerical control machining is carried out according to the technological requirements, and repairing and grinding the notch by a bench worker after the numerical control machining is finished so as to meet the requirements of product drawing. In the actual operation process, the center of gravity of the workpiece deviates to one side, reliable clamping and reference adjustment are not available, the traditional process enables the upper platform of the workpiece to be difficult to level and grind all notches, the labor intensity of the bench worker operation is high, the operation efficiency is low, the leveling precision is poor, and the product quality is difficult to guarantee.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides a grinding space angle groove positioning auxiliary tool which can position the space angle and the notch width of a special-shaped steel structure frame part, improve the working efficiency and improve the grinding precision of a bench worker.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a grinding space angle groove location assistive device, includes hook-shaped locating plate, location dabber, screw and chock, and the location dabber rear end is equipped with the ring flange, and the ring flange lateral wall has offered the plane of stepping down perpendicular to its radius line, and the plane department of stepping down has offered the spout that passes the axis of flange and perpendicular to its plane, and the screw of screw thread screw in spout is equipped with on the opposite side of the plane of stepping down on the ring flange; the hook-shaped locating plate is formed by fixedly connecting a locating plate and a Fang Hua column perpendicular to the locating plate, the Fang Hua column is located in a chute, a screw is screwed into the Fang Huazhu end part, the locating plate of the hook-shaped locating plate is parallel to a yielding plane of a flange plate, an angle locating groove is formed in the rear end face of the flange plate, the thickness of the angle locating groove is consistent with that of the flange plate, the included angle between the angle locating grooves is consistent with that of a space angle groove on a rotating shaft sleeve of a frame body, the included angle between the angle locating groove and the yielding plane is consistent with that between the space angle groove and a machining plane, the groove width of the angle locating groove is identical with that of the space angle groove after finishing grinding, a plug block is placed in the angle locating groove, and the width of the plug block is consistent with that of the angle locating groove.

Further, the diameter of the positioning mandrel is consistent with the inner diameter of the frame body rotating shaft sleeve, a gasket is arranged between a nut of the screw and the side wall of the flange plate, the section shape of the square slide column is identical with that of the chute, and the distance between the abdication plane of the flange plate and the shaft center of the flange plate is smaller than that between the machining plane of the frame body rotating shaft sleeve and the shaft center of the flange plate.

The beneficial effects of the utility model are as follows: the auxiliary tool can be used for positioning the space angle and the notch width of the special-shaped steel structure frame body part, the adjustment process is very flexible and convenient, the positioning accuracy is accurate, the auxiliary tool is used for grinding each notch to be respectively ground to a difference of advance after aligning the positions of the notches according to the prior art, the auxiliary tool can be used for positioning the correct positions of the angle notches at any position once, the accurate positions of the notches can be ensured without repeatedly aligning workpieces, the notch side grinding allowance is estimated by means of hand feeling of a worker to control the notch grinding accuracy, and the plug gauge is used for accurately measuring and controlling the notch width size.

The grinding space angle groove positioning auxiliary tool is low in manufacturing cost, is only composed of five parts, is simple in design structure, reliable in positioning and high in universality, can adapt to the accurate positioning of various frame body outer side space groove angles according to the corresponding adjustment of the frame body outer side structure, is matched with the actual space structure to adjust the size and shape structure of a positioning mandrel and a plug block, refers to the surface after a numerical control machine is added, can accurately position and grind various angle grooves staggered in the space position of a special-shaped steel structural member, meets the requirement of a product drawing, and has wide applicable market prospect.

Drawings

The utility model is further described below with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of a frame body with two space angle grooves formed in the end face of a rotating shaft sleeve.

Fig. 2 is a schematic structural view of the present utility model.

Fig. 3 is a schematic view of the structure of the present utility model mounted on a rotating shaft sleeve of a frame body.

FIG. 4 is a schematic diagram of the utility model using a chock to detect the angular position of the end face groove of the rotor sleeve and the slot margin.

Reference numerals in the drawings:

1. The device comprises a hook-shaped positioning plate 2, a positioning mandrel 3, a gasket 4, a screw 5, a chock 6, a frame body rotating shaft sleeve 11, fang Huazhu, a flange plate 21, a 22, a chute 23, an angle positioning groove 61, a space angle groove 62 and a machining plane.

Detailed Description

As shown in fig. 1-4, an auxiliary tool for positioning an angle groove in a grinding space comprises a hook-shaped positioning plate 1, a positioning mandrel 2, a gasket 3, a screw 4 and a plug 5, wherein the diameter of the positioning mandrel 2 is consistent with the inner diameter of a frame body rotating shaft sleeve 6, the positioning mandrel 2 can be inserted into the frame body rotating shaft sleeve 6, a flange plate 21 is arranged at the rear end of the positioning mandrel 2, and the diameter of the flange plate 21 is larger than the outer diameter of the frame body rotating shaft sleeve 6, so that the positioning mandrel can be limited at the end part of the frame body rotating shaft sleeve 6.

The side wall of the flange plate 21 is provided with a yielding plane perpendicular to the radius line of the flange plate, the yielding plane is provided with a chute 22 which passes through the axis of the flange plate 21 and is perpendicular to the plane of the flange plate, the opposite side of the yielding plane on the flange plate 21 is provided with a screw 4 screwed into the chute 22, and the axis of the screw 4 is parallel to the central line of the chute 22 and coincides with the radius line of the flange plate 21. A gasket 3 is arranged between the nut of the screw 4 and the side wall of the flange 21, and a plane parallel to the end face of the screw 4 is processed on the side wall of the flange 21 contacted with the gasket 3, so that the gasket 3 is convenient to compress.

The hook-shaped locating plate 1 is formed by fixedly connecting a locating plate and Fang Huazhu 11 vertical to the locating plate, the side face is L-shaped, fang Huazhu is located in a sliding groove 22, the cross section of Fang Huazhu is identical to that of the sliding groove 22, fang Huazhu can slide in the sliding groove 22, the locating plate of the hook-shaped locating plate 1 is always parallel to the abdication plane of the flange plate 21 in the sliding process, a screw 4 is screwed into the end of Fang Huazhu, the locating plate of the hook-shaped locating plate 1 approaches to the abdication plane of the flange plate 21, the distance between the abdication plane of the flange plate 21 and the axis is smaller than the distance between the machining plane 62 of the frame body rotating shaft sleeve 6 and the axis, and therefore, the whole locating mandrel 2 is fixed on the frame body rotating shaft sleeve 6 by screwing the screw 4 in the approaching process, and all directions of the locating plate are limited.

The angle positioning groove 23 is formed in the rear end face of the flange plate 21, the thickness of the angle positioning groove 23 is consistent with that of the flange plate 21, so that the angle positioning groove 23 outside the excircle of the positioning mandrel 2 forms a notch shape, the included angle between the angle positioning grooves 23 is consistent with that of the space angle groove 61 on the rotating shaft sleeve 6 of the frame body, the included angle between the angle positioning groove 23 and the giving-up plane is consistent with that between the space angle groove 61 and the machining plane 62, the groove width of the angle positioning groove 23 is identical with that of the space angle groove 61 after finishing grinding, the positioning mandrel 2 and the flange plate 21 are positioned in all directions, the angle positioning groove 23 is completely fixed at the space angle groove 61 needing grinding, a plug block 5 is placed in the angle positioning groove 23, the width of the plug block 5 is consistent with that of the groove width of the angle positioning groove 23, in the grinding process, the plug block 5 is parallel with the axis of the rotating shaft sleeve 6 of the frame body, the notch is generally ground inwards from the notch, the notch width is larger than the inner width, the gap of the plug block 5 is plugged into the notch of the angle positioning groove 23 of the flange plate 21, and the notch width of the notch is identical with that of the space angle groove 61 after finishing grinding, the end part of the plug block 5 is completely fixed in the space angle groove 61 through the notch 5.

The specific operation is as follows:

Firstly, penetrating a positioning mandrel 2 into a frame body rotating shaft sleeve 6 (shown in figure 3); then, the hook-shaped positioning plate 1 is penetrated into the chute 22 of the flange plate 21 at the end part of the positioning mandrel 2, and the hook-shaped positioning plate 1 faces the machining plane 62 (shown in figure 3) in the direction of 320 DEG of the outer circle of the rotating shaft sleeve 6 of the frame body; meanwhile, the rotary screw 4 drives the hook-shaped positioning plate 1 to slide in the chute 22, so that the positioning assembly is positioned relative to the frame body rotating shaft sleeve 6 in the angle direction; finally, the plugs 5 (shown in fig. 4) are respectively plugged from the reference angle positioning grooves 23 of the positioning assembly, and the grinding amount to be removed by grinding is estimated by plugging the part shielded by the end of the plugs 5 and the space angle groove 61 during grinding or the tightness degree of the plugs 5, so that the accurate measurement of the space angle groove and the width position of the notch of the special-shaped frame structural member is realized.

Claims (2)

1. The utility model provides a grinding space angle groove location assists utensil which characterized in that: the positioning device comprises a hook-shaped positioning plate (1), a positioning mandrel (2), screws (4) and a plug block (5), wherein a flange plate (21) is arranged at the rear end of the positioning mandrel (2), a yielding plane perpendicular to a radius line of the flange plate (21) is formed in the side wall of the flange plate, a sliding groove (22) penetrating through the axis of the flange plate (21) and perpendicular to the plane of the flange plate is formed in the yielding plane, and the screws (4) screwed into the sliding groove (22) are arranged on the opposite sides of the yielding plane on the flange plate (21); the hook-shaped locating plate (1) is formed by fixedly connecting a locating plate and Fang Huazhu (11) perpendicular to the locating plate, fang Huazhu (11) is located in a chute (22), a screw (4) is screwed into the end portion of Fang Huazhu (11), the locating plate of the hook-shaped locating plate (1) is parallel to the yielding plane of a flange plate (21), an angle locating groove (23) is formed in the rear end face of the flange plate (21), the thickness of the angle locating groove (23) is consistent with that of the flange plate (21), the included angle between the angle locating grooves (23) is consistent with that of a space angle groove (61) on a rotating shaft sleeve (6) of a frame body, the included angle between the angle locating grooves (23) and the included angle between the yielding plane are consistent with that between the space angle groove (61) and a machining plane (62), the groove width of the angle locating groove (23) is identical with that of the space angle groove (61) after finishing grinding, a plug block (5) is placed in the angle locating groove (23), and the groove width of the plug block (5) is consistent with that of the angle locating groove (23).

2. The grinding space angle groove positioning aid according to claim 1, wherein: the diameter of the positioning mandrel (2) is consistent with the inner diameter of the frame body rotating shaft sleeve (6), a gasket (3) is arranged between a nut of the screw (4) and the side wall of the flange plate (21), the section shape of the Fang Huazhu (11) is the same as that of the chute (22), and the distance between the abdication plane of the flange plate (21) and the axis of the abdication plane is smaller than that between the machining plane (62) of the frame body rotating shaft sleeve (6) and the axis of the abdication plane.