CN212823943U

CN212823943U - Concave-convex arc machining tool for thin wall

Info

Publication number: CN212823943U
Application number: CN202021011087.XU
Authority: CN
Inventors: 卢志杰; 朱活生; 吴志辉
Original assignee: Guangzhou Diesel Engine Factory Co ltd
Current assignee: Guangzhou Diesel Engine Factory Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-03-30
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a unsmooth circular arc machining tool of thin wall, it includes the tool holder, is equipped with protrusion subassembly and the sunk component that can mutually support on the tool holder, forms the machining space that can hold the thin wall and stretch into between protrusion subassembly and the sunk component, and protrusion subassembly and/or sunk component pass through adjustment mechanism and install on the tool holder, and adjustment mechanism is used for adjusting the interval between protrusion subassembly and the sunk component. The tool base is fixed on the tool apron of the horizontal lathe, one end of the thin-walled part is fixed on the chuck of the horizontal lathe, one end of the thin-walled part extends into the machining space, and the adjusting mechanism adjusts the distance between the convex component and the concave component, so that the convex component and the concave component can be tightly attached to the thin-walled part, and the machining effect is guaranteed; after the lathe is started, the convex component and the concave component can be matched with each other to process concave-convex arcs on the thin-wall part. The utility model discloses can process the unsmooth circular arc of thin wall spare portably, simple structure, easy to operate.

Description

Concave-convex arc machining tool for thin wall

Technical Field

The utility model relates to a unsmooth circular arc machining tool of thin wall in the machining technical field.

Background

In the field of machining, the condition that concave-convex arcs of thin walls of parts need to be machined is often met. The processing of the thin-wall concave-convex circular arc is generally formed by rolling or rolling on special equipment, but the special equipment for rolling or rolling is expensive, the operation is relatively complex, and the processing cost is high. Generally, special equipment is used for processing the concave-convex circular arcs of the thin wall of the part, and usually, parts in large batches and with the same specification are aimed at, so that the benefit is high, and the processing cost can be divided into thin parts; however, if the thin-wall concave-convex circular arcs of small-batch and multi-specification parts are processed, the use of special rolling equipment or rolling equipment is not advantageous, and the processing cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a unsmooth circular arc machining tool of thin wall, it can process unsmooth circular arc on the thin wall simply.

According to the utility model discloses an according to the embodiment of the first aspect, a unsmooth circular arc machining tool of thin wall is provided, it includes the tool holder, be equipped with protrusion subassembly and the sunk component that can mutually support on the tool holder, form the machining space that can hold the thin wall and stretch into between protrusion subassembly and the sunk component, protrusion subassembly and/or sunk component pass through adjustment mechanism and install on the tool holder, adjustment mechanism is used for adjusting the interval between protrusion subassembly and the sunk component.

According to the utility model discloses an embodiment of the first aspect, furtherly, the bulge subassembly includes terrace die and terrace die holder, be equipped with annular arc arch on the side of terrace die, terrace die demountable installation is in on the terrace die holder.

According to the utility model discloses an embodiment of the first aspect, furtherly, the bulge subassembly still includes the terrace die dabber, the top of terrace die support is equipped with the recess that is used for installing the terrace die, be equipped with two fixed through holes on the lateral wall of recess, be equipped with the dabber through-hole on the terrace die, the terrace die dabber runs through dabber through-hole and the both ends of terrace die dabber and fixes respectively on two fixed through holes.

According to the utility model discloses the embodiment of the first aspect, furtherly, sunken subassembly includes die and die holder, it is sunken to be equipped with annular arc on the side of die, die demountable installation be in on the die holder.

According to the utility model discloses the embodiment of the first aspect, furtherly, be equipped with sunken subassembly mounting hole on the instrument seat, the die holder is equipped with axial mounting hole, the bolt assembly is passed through to the one end of die holder and is fixed at sunken subassembly mounting hole, the die case is established on the other end of die holder and is fixed.

According to the utility model discloses the embodiment of the first aspect, furtherly, adjustment mechanism includes adjusting screw, be equipped with the positioning hole who adjusts the screw and be used for installing salient subassembly or sunk component on the instrument seat, adjust the screw and meet with positioning hole's terminal surface, adjusting screw runs through behind the adjusting screw and with salient subassembly or sunk component looks butt.

According to the utility model discloses the first aspect embodiment, furtherly, positioning hole's aperture is greater than the big footpath of adjusting the screw, positioning hole forms the ladder portion with adjusting hole's junction.

According to the utility model discloses first aspect embodiment, furtherly, the one end that positioning hole was kept away from to adjusting screw is equipped with the hand wheel.

The utility model has the advantages that: the tool base is fixed on the tool apron of the horizontal lathe, one end of the thin-walled part is fixed on the chuck of the horizontal lathe, one end of the thin-walled part extends into the machining space, and the adjusting mechanism adjusts the distance between the convex component and the concave component, so that the convex component and the concave component can be tightly attached to the thin-walled part, and the machining effect is guaranteed; after the lathe is started, the convex component and the concave component can be matched with each other to process concave-convex arcs on the thin-wall part. The utility model discloses can process the unsmooth circular arc of thin wall spare portably, simple structure, easy to operate.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a sectional view of the present invention in use;

FIG. 2 is a cross-sectional view of a projection assembly of the present invention;

FIG. 3 is a cross-sectional view of a well assembly of the present invention;

fig. 4 is a sectional view of the tool holder of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the concave-convex arc machining tool for thin walls in the embodiment of the present invention includes a tool base 10, a protruding component 20 and a recessed component 30 that can be mutually matched are disposed on the tool base 10, a machining space into which the thin wall can extend is formed between the protruding component 20 and the recessed component 30, the protruding component 20 and/or the recessed component 30 are mounted on the tool base 10 through an adjusting mechanism, and the adjusting mechanism is used for adjusting an interval between the protruding component 20 and the recessed component 30. Alternatively, only the concave component 30 is mounted on the tool base 10 through the adjusting mechanism, or both the convex component 20 and the concave component 30 are mounted on the tool base 10 through the adjusting mechanism, or only the convex component 20 is mounted on the tool base through the adjusting mechanism, in the embodiment, only the convex component 20 is mounted on the tool base through the adjusting mechanism as an example.

Referring to fig. 2, the convex assembly 20 comprises a convex die 22 and a convex die support 21, wherein an annular arc-shaped protrusion is arranged on the side surface of the convex die 22, and the convex die 22 is detachably mounted on the convex die support 21 so as to be replaced with different convex dies 22 according to the size of an arc to be processed. Specifically, the convex component 20 further comprises a convex mold core shaft 23, a groove for mounting the convex mold 22 is formed in the top of the convex mold support 21, two fixing through holes are formed in the side wall of the groove, and a core shaft through hole is formed in the convex mold 22. The male die mandrel 23 penetrates through the mandrel through hole, and the male die mandrel 23 is in clearance fit with the mandrel through hole. Two ends of the male die mandrel 23 are respectively fixed on the two fixing through holes, and optionally, two ends of the male die mandrel 23 are respectively in interference fit with the fixing through holes; internal threads can also be arranged in the fixing through holes, correspondingly, external threads are arranged at the two ends of the male die core shaft 23, and the two ends of the male die core shaft 23 are in threaded connection with the fixing through holes.

Referring to fig. 1 and 3, the recess assembly 30 includes a female die 32 and a female die holder 31, an annular arc recess is provided on a side surface of the female die 32, and the female die 32 is detachably mounted on the female die holder 31. Preferably, the axial direction of the die holder 31 is perpendicular to the axial direction of the punch holder 21, so that a thin-walled part with a small bore diameter can extend into the machining space, and because the die holder 31 is perpendicular to the punch holder 21, during machining, the axial direction of the thin-walled part is kept parallel to the axial direction of the die holder 31, then the concave component 30 partially extends into the thin-walled part, and the die 32 can abut against the inner wall of the thin-walled part.

Specifically, a concave component mounting hole 13 is formed in the tool base 10, an axial mounting through hole 33 is formed in the female die support 31, one end of the female die support 31 is fixed to the concave component mounting hole 13 through a bolt component, the bolt component comprises a bolt and a gasket, an internal thread is formed in the mounting through hole 33, the bolt penetrates through the gasket and then is inserted into the mounting through hole to be fixed, and the gasket is fixed to the tool base 10. The female die 32 is sleeved and fixed on the other end of the female die support 31, similarly, an internal thread is arranged at one end of the mounting through hole 33 close to the female die 32, the female die 32 can be fixed on the female die support 31 through a bolt assembly, a gasket is abutted against the end faces of the female die 32 and the female die support 31, and a bolt penetrates through the gasket and then is inserted into the mounting through hole 33 to be in threaded connection with the mounting through hole 33.

The adjusting mechanism comprises an adjusting screw 40, referring to fig. 4, the tool base 10 is provided with an adjusting screw hole 14 and a positioning through hole 12 for installing the protruding component 20 or the recessed component 30, the adjusting screw hole 14 is connected with an end face of the positioning through hole 12, and the adjusting screw 40 penetrates through the adjusting screw hole 14 and then abuts against the protruding component 20 or the recessed component 30. In the present embodiment, the protrusion member 20 is installed in the positioning through hole 12, and the position of the adjustment screw 40 on the tool holder 10 can be changed by rotating the adjustment screw 40, so as to raise or lower the protrusion member 20. Preferably, the diameter of the positioning through hole 12 is larger than the major diameter of the adjusting screw hole 14, and the connecting portion of the positioning through hole 12 and the adjusting through hole forms a step portion, which can limit the male mold support 21 and prevent the protruding component 20 from directly falling through the adjusting screw hole 14. Preferably, the end of the adjusting screw 40 away from the positioning through hole 12 is provided with a hand wheel 41 to facilitate the operator to turn the adjusting screw 40.

The utility model discloses a use method as follows: will the utility model discloses a tool holder 10 is fixed on the blade holder of horizontal lathe to the thin wall spare that will treat processing is fixed on the chuck of horizontal lathe, makes the one end of thin wall spare stretch into the processing space, rotates adjusting screw 40 and adjusts the interval of bulge subassembly 20 and sunken subassembly 30, hugs closely the outer wall of thin wall spare until terrace die 22, and the inner wall of thin wall spare is hugged closely to die 32, then starts horizontal lathe in order to process.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a unsmooth circular arc machining tool of thin wall which characterized in that: including tool holder (10), be equipped with protruding subassembly (20) and sunk component (30) that can mutually support on tool holder (10), form the machining space that can hold the thin wall and stretch into between protruding subassembly (20) and sunk component (30), protruding subassembly (20) and/or sunk component (30) are installed on tool holder (10) through adjustment mechanism, adjustment mechanism is used for adjusting the interval between protruding subassembly (20) and sunk component (30).

2. The thin-walled concave-convex circular arc machining tool according to claim 1, characterized in that: the convex component (20) comprises a convex die (22) and a convex die support (21), an annular arc-shaped bulge is arranged on the side surface of the convex die (22), and the convex die (22) is detachably mounted on the convex die support (21).

3. The thin-walled concave-convex circular arc machining tool according to claim 2, characterized in that: the convex component (20) further comprises a convex die core shaft (23), a groove used for mounting a convex die (22) is formed in the top of the convex die support (21), two fixing through holes are formed in the side wall of the groove, a core shaft through hole is formed in the convex die (22), and the two ends of the convex die core shaft (23) penetrating through the core shaft through hole and the convex die core shaft (23) are respectively fixed on the two fixing through holes.

4. The thin-walled concave-convex circular arc machining tool according to claim 1, characterized in that: sunken subassembly (30) include die (32) and die support (31), it is sunken to be equipped with annular arc on the side of die (32), die (32) demountable installation be in on die support (31).

5. The thin-walled concave-convex circular arc machining tool according to claim 4, characterized in that: be equipped with sunken subassembly mounting hole (13) on tool holder (10), die holder (31) are equipped with axial mounting hole (33), the one end of die holder (31) is passed through bolt assembly and is fixed in sunken subassembly mounting hole (13), die (32) cover is established and is fixed on the other end of die holder (31).

6. The thin-walled concave-convex arc machining tool according to any one of claims 1 to 4, characterized in that: the adjusting mechanism comprises an adjusting screw rod (40), an adjusting screw hole (14) and a positioning through hole (12) used for installing a protruding component (20) or a recessed component (30) are formed in the tool base (10), the adjusting screw hole (14) is connected with the end face of the positioning through hole (12), and the adjusting screw rod (40) penetrates through the adjusting screw hole (14) and then is abutted to the protruding component (20) or the recessed component (30).

7. The thin-walled concave-convex circular arc machining tool according to claim 6, characterized in that: the aperture of the positioning through hole (12) is larger than the major diameter of the adjusting screw hole (14), and a step part is formed at the connecting part of the positioning through hole (12) and the adjusting through hole.

8. The thin-walled concave-convex circular arc machining tool according to claim 6, characterized in that: and a hand wheel (41) is arranged at one end of the adjusting screw rod (40) far away from the positioning through hole (12).