CN220320080U - Three-phase linkage spring operating mechanism crank arm and processing tool - Google Patents

Abstract

A crank arm of a three-phase linkage spring operating mechanism comprises a main body part, a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected with the main body part; the main body part is provided with a vertical eight-direction opening, and a fastening hole is horizontally arranged at the position of the eight-direction opening; the first connecting part is provided with one or more vertical first component connecting holes; the second connection portion is provided with one or more vertical second member connection holes. Different parts can be connected and the output shaft is connected through the octagon trompil and then is transmitted, and in order to make things convenient for the processing of above-mentioned work piece, still provide a processing frock of three-phase linkage spring operating device turning arm, including frock one-step, frock two-step and frock three-step, can accomplish fixedly to the work piece in different processing steps, and then accomplish processing, and the fixed work piece of above-mentioned frock structure's mode is very simple and high-efficient, and can not influence the normal face milling and the trompil process of work piece after fixed work piece.

Description

Three-phase linkage spring operating mechanism crank arm and processing tool

Technical Field

The utility model relates to the technical field of metal machining, in particular to a three-phase linkage spring operating mechanism crank arm and a machining tool.

Background

In the three-phase linkage spring operating mechanism, in order to realize the rotation between a plurality of parts, need use the turning arm to, above-mentioned turning arm needs to connect different structural components, and can drive the output shaft and rotate, and because the structure restriction, and in order to prevent that structural connection from inefficacy or structural connection are unstable, above-mentioned turning arm needs to carry out the milling plane of partial hookup location as required, and for the concrete processing of above-mentioned turning arm, if adopt the frock, fixed comparatively difficulty, and the process is more complicated, consequently, need carry out the frock design of individual work piece as required.

Disclosure of Invention

The utility model provides a three-phase linkage spring operating mechanism crank arm and a processing tool, which are used for solving the problems that the three-phase linkage spring operating mechanism crank arm lacks a practical tool and has more processing procedures.

The technical scheme of the utility model is as follows:

a crank arm of a three-phase linkage spring operating mechanism comprises a main body part, a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected with the main body part;

the main body part is provided with a vertical eight-direction opening, and a fastening hole is horizontally arranged at the position of the eight-direction opening;

the first connecting part is provided with one or more vertical first component connecting holes;

the second connection portion is provided with one or more vertical second member connection holes.

Wherein the main body portion is for connecting the output shaft, and the first connecting portion is for connecting the first member, and the second connecting portion is for connecting the second member.

Preferably, the first connecting portion and the second connecting portion are respectively arranged along two of the vertical directions in sequence, and the two first connecting portions and the two second connecting portions are symmetrical with respect to a symmetrical horizontal plane of the main body portion. Two work pieces are connected respectively through the design of symmetry, and compare in the great design of overall thickness, this device has saved the material between two connecting portions, and the cost is lower, and the symmetrical design can make this device convenient to use more.

On the basis of the structure, further, in the vertical direction, the outer side surface spacing dimension of the two second connecting portions is smaller than the outer side surface spacing dimension of the two first connecting portions, and the outer side surface spacing dimension of the two first connecting portions is smaller than the thickness dimension of the main body portion. In order to avoid relative sliding after workpieces are connected, the problems are solved through staggered layer designs of different planes.

A processing tool for a crank arm of a three-phase linkage spring operating mechanism comprises a first tool sequence, a second tool sequence and a third tool sequence.

Because a single tool cannot finish the processing of the device, three tools which are sequentially used are arranged for the device.

The specific structure of the tool is that the tool comprises a first bottom plate which is horizontally arranged, a limiting plate is arranged above the first bottom plate, a profiling opening is vertically formed in the limiting plate, a plurality of first supporting pieces are arranged on the first bottom plate at the position of the profiling opening, and a plurality of limiting bolts are further arranged on the limiting plate along the horizontal direction. After a workpiece (a crank arm of a three-phase linkage spring operating mechanism) blank is obtained through precision casting, the workpiece blank can be placed into a profiling hole to process a plurality of holes, and the profiling setting can avoid the problems of error in fixing direction of the workpiece and the like.

On the basis of the structure, the three first supporting pieces are further arranged and are respectively used for supporting the first connecting portion, the second connecting portion and the main body portion, and the top end of each first supporting piece is a hemispherical concave surface and is provided with balls. The problem of inaccurate processing caused by fixing a plane is avoided.

And above-mentioned limit bolt sets up two, and each other level, is first limit bolt and second limit bolt respectively, and homoenergetic is adjusted, and one end can contradict the work piece.

The specific structure of the tooling second sequence is that the tooling second sequence comprises a second bottom plate which is horizontally arranged, a plurality of second supporting pieces are arranged above the second bottom plate, an expansion mandrel is arranged at the position of the hole in the eight directions of the second bottom plate, and a detachable round table-shaped inner conical plug is arranged in the expansion mandrel. After finishing the one-step processing of the tooling, the tooling can be fixed by inserting an expansion mandrel through the opening so as to perform face milling operation.

On the basis of the structure, the second supporting pieces are further arranged in three and are respectively used for supporting the first connecting portion, the second connecting portion and the main body portion. The problem of inaccurate processing caused by fixing a plane is avoided.

The expansion mandrel is connected with the inner conical plug through threads, the inner conical plug is in an inverted truncated cone shape, when the inner conical plug is screwed towards one end close to the second bottom plate, one end, far away from the second bottom plate, of the expansion mandrel can be spread and a workpiece is fixed, and in order to facilitate the disassembly of the inner conical plug, a spring is arranged between the inner conical plug and the expansion mandrel.

And, in order to conveniently fix the expansion mandrel, the second bottom plate is fixed with a first pressing plate.

The specific structure of the tool three-step structure is that the tool three-step structure comprises a third bottom plate, the third bottom plate comprises a third bottom plate which is horizontally arranged, a plurality of third supporting pieces are arranged on the upper surface of the third bottom plate, and an octave mandrel is arranged on the third bottom plate at an octave punching position. After finishing tooling two-step processing, the round opening is cut in all directions, so that all-direction openings can be obtained, and the tooling can be fixed in a mode that the circular opening is inserted into an all-direction mandrel through the openings, so that face milling operation can be performed.

On the basis of the structure, the third supporting pieces are three, and are respectively used for supporting the first connecting portion, the second connecting portion and the main body portion. The problem of inaccurate processing caused by fixing a plane is avoided.

The octagon mandrel is fixed through a second pressing plate arranged on the third bottom plate.

The utility model has the beneficial effects that: the utility model relates to a crank arm of a three-phase linkage spring operating mechanism and a processing tool, wherein the crank arm of the three-phase linkage spring operating mechanism is used as a main transmission part of the three-phase linkage spring operating mechanism, is an important A-class part, can be respectively connected with different functional parts through a first connecting part and a second connecting part, is structurally connected after an output shaft is fixed through an eight-direction opening, has more original processing procedures, is more various in fixing modes and is more laborious, and therefore, the device optimizes according to the processing procedures by arranging a first tool sequence, a second tool sequence and a third tool sequence, simplifies the processing procedures and simplifies the fixing procedures of the device and the tool.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a top view of a three-phase linkage spring operator lever;

FIG. 2 is a schematic view of the cross-sectional structure B-B in FIG. 1;

FIG. 3 is a schematic diagram of the front view of the three-phase linkage spring operating mechanism crank arm;

FIG. 4 is a schematic view of the cross-sectional structure A-A in FIG. 3;

FIG. 5 is a schematic top view of a tooling;

FIG. 6 is a schematic diagram of a tool with different view angles;

FIG. 7 is a schematic diagram of a two-step top view of the tooling;

FIG. 8 is a schematic diagram of a two-step structure of a tool at different viewing angles;

FIG. 9 is a three-sequence structural schematic diagram of a tool;

FIG. 10 is a schematic diagram of a three-order structure of a tool at different viewing angles;

FIG. 11 is a schematic view of the structure of the expansion mandrel;

FIG. 12 is a schematic view of a portion of a three-phase linkage spring operator;

the components represented by the reference numerals in the figures are:

1. a main body portion; 11. forming holes in eight directions; 12. a fastening hole; 2. a first connection portion; 21. a first member connection hole; 3. a second connecting portion; 31. a second member connection hole; 4. a first step of tooling; 41. a first base plate; 42. a limiting plate; 43. a first support; 44. a ball; 45. a first limit bolt; 46. the second limit bolt; 5. a second step of tooling; 51. a second base plate; 52. a second support; 53. an expansion mandrel; 54. an inner taper sleeve; 55. a first platen; 6. a third step of tooling; 61. a third base plate; 62. a third support; 63. an octagon mandrel; 64. and a second pressing plate.

Detailed Description

The crank arm of the three-phase linkage spring operating mechanism shown in fig. 1-4 comprises a main body part 1, a first connecting part 2 and a second connecting part 3 which are connected with the main body part 1, wherein the main body part 1, the first connecting part 2 and the second connecting part 3 are integrally formed and are directly cast by a precision casting mould.

In addition, when the structure is applied, as shown in fig. 12, each part needs to be connected with different parts after being applied to the device as a main transmission member.

For this purpose, it is necessary that the body part 1 is provided with vertical eight-way openings 11, and fastening holes 12 are horizontally provided at the positions of the eight-way openings 11, the fastening holes 12 being provided perpendicular to any one of the vertical planes of the eight-way openings 11, and after the eight-way openings 11 penetrate the output shaft structure, the fastening can be further completed by the fastening holes 12.

Meanwhile, further, the first connecting portion 2 is provided with one or more vertical first component connecting holes 21, and only one round hole is needed to be provided because the first connecting portion 2 is connected with the output end of the driving structure.

Finally, the second connecting portion 3 is provided with one or more vertical second member connecting holes 31 for fixing the individual members without rotation after connection.

I.e. the body part 1 is intended to connect the output shaft and the first connecting part 2 is intended to connect the first component and the second connecting part 3 is intended to connect the second component, the above-mentioned construction will be able to perform the transmission function in the device.

Preferably, two first connecting portions 2 and two second connecting portions 3 are sequentially disposed along the vertical direction, and the two first connecting portions 2 and the two second connecting portions 3 are symmetrical with respect to a symmetrical horizontal plane of the main body portion 1. Two work pieces are connected respectively through the design of symmetry, and compare in the great design of overall thickness, this device has saved the material between two connecting portions, and the cost is lower, and the symmetrical design can make this device convenient to use more. As shown in fig. 12, when the present device is connected, the parts for connecting the first connecting portion 2 and the second connecting portion 3 are provided between the adjacent two connecting portions except for the main body portion 1, and the connection between the devices can be completed while the limitation is achieved.

Finally, on the basis of the above structure, further, in the vertical direction, the outer side pitch dimension of the two second connection portions 3 is smaller than the outer side pitch dimension of the two first connection portions 2, and the outer side pitch dimension of the two first connection portions 2 is smaller than the thickness dimension of the main body portion 1. In order to avoid relative sliding after workpieces are connected, the problems are solved through staggered layer designs of different planes.

For the workpiece (the crank arm of the three-phase linkage spring operating mechanism), the utility model also provides a special tool structure for manufacturing the workpiece, and the workpiece comprises a plurality of manufacturing procedures, so that the workpiece is provided with a plurality of tool structures and is respectively applied in different procedures.

Namely, the processing tool for the crank arm of the three-phase linkage spring operating mechanism shown in the figures 5-10 comprises a first tool sequence 4, a second tool sequence 5 and a third tool sequence 6.

The reason is that a single tool cannot finish machining the device, and three tools which are sequentially used are arranged for the device.

First, the working procedure of the workpiece is as follows:

1. casting

And manufacturing a precision casting mold according to the shape of the workpiece, and manufacturing a workpiece blank of the device through the precision casting mold.

2. Heat treatment of

Normalizing the workpiece blank.

3. Tool one-step milling machining

Positioning according to the shape of the workpiece blank on the first order of the tool, and processing a plurality of drilling holes;

and as shown in fig. 5 and 6, the specific structure of the tool sequence 4 is that the tool sequence 4 comprises a first bottom plate 41 horizontally arranged, a limiting plate 42 is arranged above the first bottom plate 41, a plurality of supporting columns are arranged between the limiting plate 42 and the first bottom plate 41 and used for lifting, the limiting plate 42 is vertically provided with a profiling opening, the profiling opening corresponds to the shape of a workpiece, the first bottom plate 41 is provided with a plurality of first supporting pieces 43 at the position of the profiling opening, the limiting plate 42 is also provided with a plurality of limiting bolts along the horizontal direction, after a workpiece blank is obtained through precision casting, the workpiece blank can be placed into the profiling opening, the processing of the plurality of openings is carried out, the problem that the workpiece fixing direction is wrong can be avoided due to profiling arrangement, and after the workpiece is placed into the profiling opening of the limiting plate 42, the workpiece is higher than the upper surface of the limiting plate 42 under the supporting action of the first supporting pieces 43.

In addition to the above configuration, the first supporting members 43 are further provided in three, and are respectively configured to support the first connecting portion 2, the second connecting portion 3, and the main body portion 1, and the top end of the first supporting member 43 is a hemispherical concave surface, and is provided with balls 44. The problem of inaccurate processing caused by fixing a plane is avoided.

Preferably, the two limiting bolts are arranged horizontally, and the two limiting bolts are respectively a first limiting bolt 45 and a second limiting bolt 46, which can be adjusted, one end of the limiting bolt can abut against the workpiece, and the workpiece can be abutted against and fixed by screwing the limiting bolts.

4. Two-order milling machining of tool

Then the workpiece is detached from the first order of the tool, and is fixed in the second order of the tool, so that subsequent processing operation can be performed;

as shown in fig. 7 and 8, the specific structure of the second tool sequence 5 is that the second tool sequence 5 includes a second bottom plate 51 horizontally arranged, a plurality of second supporting members 52 are arranged above the second bottom plate 51, an expansion mandrel 53 is arranged at the position of the hole 11 in the eight directions on the second bottom plate 51, a detachable round table-shaped inner conical plug is arranged in the expansion mandrel 53, after the processing of the first tool sequence 4 is completed, the hole opening operation is completed, the workpiece can be fixed through the hole opening, the tool can be fixed through the way that the hole opening is inserted into the expansion mandrel 53, and the operation of milling the surface can be performed.

Further, on the basis of the above structure, the second supporting members 52 are provided in three, and serve to support the first connecting portion 2, the second connecting portion 3, and the main body portion 1, respectively. The problem of inaccurate processing caused by fixing a plane is avoided.

And as shown in fig. 11, the expansion mandrel 53 is connected with the inner conical plug through threads, and the inner conical plug is in an inverted truncated cone shape, when the inner conical plug is screwed towards one end close to the second bottom plate 51, one end, far away from the second bottom plate 51, of the expansion mandrel 53 can be opened and a workpiece is fixed, and in order to conveniently detach the inner conical plug, a spring is arranged between the inner conical plug and the expansion mandrel 53, and when the inner conical plug is screwed to be far away from the second bottom plate 51, the inner conical plug is pushed out under the action of the spring, so that the workpiece is not fixed.

In order to facilitate fixing of the expansion mandrel 53, the first pressing plate 55 is fixed to the second bottom plate 51. The expansion mandrel 53 is provided with an annular groove, and after the first pressing plate 55 is inserted into the groove and fixed, the fixing of the device can be completed.

5. Heat treatment of

And the workpiece is disassembled from the tooling in a second order, and is subjected to integral tempering treatment, and the process is realized by placing the workpiece into a tempering furnace.

6. Cutting

The work is subjected to scribing treatment, and a part of the cut is grooved by adopting a linear cutting.

7. Two-order milling machining of tool

And (5) re-fixing the workpiece on the tooling second sequence 5, and then carrying out finish milling.

8. Cutting

The workpiece is placed in a numerical control linear cutting device, and the round hole is subjected to linear cutting, so that the round hole is formed into an eight-direction opening 11.

9. Three-sequence milling processing of tool

Fixing the workpiece through the eight-direction opening 11;

as shown in fig. 9 and 10, the specific structure of the tooling three-step 6 is that the tooling three-step 6 includes a third bottom plate 61, the third bottom plate 61 includes a third bottom plate 61 that is horizontally arranged, and a plurality of third supporting members 62 are disposed on the upper surface of the third bottom plate 61, and the third bottom plate 61 is provided with an eight-direction mandrel 63 at the position of the eight-direction opening 11. After finishing the processing of the tooling second sequence 5, the round opening is cut in all directions, so that the all-direction opening 11 can be obtained, and the tooling can be fixed by inserting the opening into the all-direction mandrel 63 so as to perform face milling operation.

On the basis of the above structure, further, the third supporting members 62 are provided in three, and are used for supporting the first connecting portion 2, the second connecting portion 3, and the main body portion 1, respectively. The problem of inaccurate processing caused by fixing a plane is avoided.

The octagon mandrel 63 is secured by a second platen 64 disposed on the third base plate 61. The fixing manner is the same as that of the expansion mandrel 53.

10. Drilling holes

And continuing drilling operation on the workpiece through the numerical control drilling machine.

11. Deburring

And fixing the workpiece on a bench worker workbench, and performing deburring and sharp corner removing operations.

12. Quality inspection

And marking and warehousing after the inspection is qualified.

Claims (10)

1. The crank arm of the three-phase linkage spring operating mechanism is characterized by comprising a main body part (1), and a first connecting part (2) and a second connecting part (3) which are connected with the main body part (1);

the main body part (1) is provided with a vertical eight-direction opening (11), and a fastening hole (12) is horizontally arranged at the position of the eight-direction opening (11);

the first connecting part (2) is provided with one or more vertical first component connecting holes (21);

the second connection part (3) is provided with one or more vertical second component connection holes (31).

2. The three-phase linkage spring operating mechanism crank arm according to claim 1, wherein the first connecting portion (2) and the second connecting portion (3) are respectively arranged in sequence along the vertical direction, and the two first connecting portions (2) and the two second connecting portions (3) are symmetrical with respect to the symmetrical horizontal plane of the main body portion (1).

3. The three-phase linkage spring operating mechanism crank arm according to claim 2, wherein the outer side pitch dimension of the two second connecting portions (3) is smaller than the outer side pitch dimension of the two first connecting portions (2) in the vertical direction, and the outer side pitch dimension of the two first connecting portions (2) is smaller than the thickness dimension of the main body portion (1).

4. A tooling for machining a crank arm of a three-phase linkage spring operating mechanism, which is characterized by being used for machining the crank arm of the three-phase linkage spring operating mechanism according to any one of claims 1-3 and comprising a tooling first sequence (4), a tooling second sequence (5) and a tooling third sequence (6).

5. The tooling for machining the crank arm of the three-phase linkage spring operating mechanism according to claim 4, wherein the tooling comprises a first bottom plate (41) which is horizontally arranged, a limiting plate (42) is arranged above the first bottom plate (41), a profiling hole is vertically formed in the limiting plate (42), a plurality of first supporting pieces (43) are arranged at the position of the profiling hole, and a plurality of limiting bolts are further arranged on the limiting plate (42) in the horizontal direction.

6. The machining tool for the crank arm of the three-phase linkage spring operating mechanism according to claim 5, wherein three first supporting pieces (43) are arranged and are respectively used for supporting the first connecting portion (2), the second connecting portion (3) and the main body portion (1), and the top end of each first supporting piece (43) is a hemispherical concave surface and is provided with a ball (44).

7. The tooling for machining the crank arm of the three-phase linkage spring operating mechanism according to claim 4, wherein the tooling for machining the crank arm of the three-phase linkage spring operating mechanism comprises a second bottom plate (51) which is horizontally arranged, a plurality of second supporting pieces (52) are arranged above the second bottom plate (51), an expansion mandrel (53) is arranged at the position of the eight-direction opening (11) of the second bottom plate (51), and a detachable round table-shaped inner conical plug is arranged in the expansion mandrel (53).

8. The tooling for machining the crank arm of the three-phase linkage spring operating mechanism according to claim 7, wherein three second supporting pieces (52) are arranged and are respectively used for supporting the first connecting portion (2), the second connecting portion (3) and the main body portion (1).

9. The tooling for machining the crank arm of the three-phase linkage spring operating mechanism according to claim 4, wherein the tooling comprises a third bottom plate (61), the third bottom plate (61) comprises a third bottom plate (61) which is horizontally arranged, a plurality of third supporting pieces (62) are arranged on the upper surface of the third bottom plate (61), and an eight-direction mandrel (63) is arranged on the position of the eight-direction opening (11) of the third bottom plate (61).

10. The machining tool for the crank arm of the three-phase linkage spring operating mechanism according to claim 9, wherein three third supporting pieces (62) are arranged and are respectively used for supporting the first connecting portion (2), the second connecting portion (3) and the main body portion (1).