Graded auxiliary supporting device for numerical control machining

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a numerical control machining grading auxiliary supporting device which comprises a base, a first-stage supporting rod and a second-stage supporting rod, the base is a step body, and a base eccentric groove matched with the first-stage supporting rod is formed in the upper end face of the base; the main body of the first-stage supporting rod is of a cylindrical structure, a first-stage supporting rod eccentric boss matched with the base is arranged on the lower end face, a first-stage supporting rod eccentric groove is formed in the upper end face, and the first-stage supporting rod eccentric boss and the base eccentric groove are matched to form a first-stage supporting mechanism used for rapidly combining and adjusting the height; the main body of the second-stage supporting rod is of a cylindrical structure, a second-stage supporting rod eccentric boss matched with the first-stage supporting rod is arranged on the lower end face of the second-stage supporting rod, a second-stage supporting rod eccentric groove is formed in the upper end face of the second-stage supporting rod, and the second-stage supporting rod eccentric boss and the first-stage supporting rod eccentric groove are matched to form a second-stage supporting mechanism used for rapidly combining and adjusting the height.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining, and particularly relates to a numerical control machining hierarchical auxiliary support device. Background Art

[0002] In the fields of aviation and aerospace, with the continuous improvement of performance requirements and manufacturing capabilities, there are widely parts with characteristics such as large size, high density, and suspended structures. These parts are difficult to clamp during machining and are prone to machining deformation.

[0003] In order to control part deformation and ensure machining accuracy requirements, complex process routes and corresponding special fixtures usually need to be arranged. However, this method has problems such as low efficiency, high cost, and long production cycle. Especially in mass production, it poses great challenges to lean production and part quality. Summary of the Utility Model

[0004] Objective of the utility model: To solve the problems of easy deformation and difficult clamping of parts with long dimensions, high density, and suspended structures, the utility model provides a numerical control machining hierarchical auxiliary support device, which can improve the stiffness and stability of the machining system, greatly reduce the cutting deformation of parts, ensure product quality, and further broaden the effective machining stroke of numerical control machine tools.

[0005] Technical Solution:

[0006] A numerical control machining hierarchical auxiliary support device, the device includes: a base 1, a first-level support rod 4, and a second-level support rod 7.

[0007] Among them, the base 1 is a stepped body, and the upper end surface is provided with a base eccentric groove 2 for cooperating with the first-level support rod 4;

[0008] The main body of the first-level support rod 4 is a cylindrical structure. The lower end surface is provided with a first-level support rod eccentric boss 3 for cooperating with the base 1, and the upper end surface is provided with a first-level support rod eccentric groove 5. The first-level support rod eccentric boss 3 and the base eccentric groove 2 form a first-level support mechanism for quickly combining and adjusting the height;

[0009] The main body of the second-level support rod 7 is a cylindrical structure. The lower end surface is provided with a second-level support rod eccentric boss 6 for cooperating with the first-level support rod 4, and the upper end surface is provided with a second-level support rod eccentric groove 8. The second-level support rod eccentric boss 6 and the first-level support rod eccentric groove 5 form a second-level support mechanism for quickly combining and adjusting the height;

[0010] Above the second-level support rod eccentric groove 8, multiple hierarchical support rods can be sequentially added according to actual machining requirements to form an N-level support mechanism for quickly combining and adjusting the height.

[0011] Among them, the outer circles of the base 1, the first-level support rod 4, and the second-level support rod 7 are concentric.

[0012] Among them, a counterbore 9 is provided on the lower end face of the base 1, which increases the effective contact area at the bottom while reducing the weight of the device.

[0013] Among them, anti-slip knurls 10 for the first-level support rod and anti-slip knurls 11 for the second-level support rod are respectively provided on the outer circles of the first-level support rod 4 and the second-level support rod 7 near the upper end faces, and the effect is to facilitate quick manual disassembly.

[0014] Among them, the first-level support rod 4 and the second-level support rod 7 have different heights, and the effect is to combine and adjust the height of the auxiliary support according to the different height requirements of the machined parts.

[0015] Among them, the eccentric boss 3 of the first-level support rod and the eccentric boss 6 of the second-level support rod have the same structure, and the eccentric groove 2 of the base, the eccentric groove 5 of the first-level support rod, and the eccentric groove 8 of the second-level support rod have the same structure, and all the eccentric grooves and eccentric bosses can be used in cooperation with each other.

[0016] Among them, each of the eccentric bosses is composed of a main circle 12 of the eccentric boss and a secondary circle 13 of the eccentric boss; each of the eccentric grooves is composed of a bottom circle 14 of the eccentric groove, a main circle 15 of the eccentric groove, and a secondary circle 16 of the eccentric groove.

[0017] Among them, the main circle 12 of the eccentric boss, the bottom circle 14 of the eccentric groove, and the main circle 15 of the eccentric groove are concentric with the outer circles of the first-level support rod 4 and the second-level support rod 7, and the secondary circle 13 of the eccentric boss and the secondary circle 16 of the eccentric groove are eccentric with the outer circles of the first-level support rod 4 and the second-level support rod 7.

[0018] Among them, the main circle 15 of the eccentric groove and the secondary circle 16 of the eccentric groove have the same shape as the main circle 12 of the eccentric boss and the secondary circle 13 of the eccentric boss, and the size of the eccentric groove is larger than that of the eccentric boss.

[0019] Among them, the secondary circle 13 of the eccentric boss and the bottom circle 14 of the eccentric groove form a rotation self-locking structure.

[0020] When the utility model is in use, the parts are normally positioned and clamped, and only at the suspended structure of the parts, the hierarchical auxiliary support device is added according to the height of the parts to improve the stiffness and stability of the processing system.

[0021] Beneficial effects:

[0022] (1) The utility model can quickly combine different heights of hierarchical support rods to form an auxiliary support device for supporting parts or fixture pressing plates, simply and efficiently solving the problems of easy deformation and difficult clamping of long-size, high-density, and suspended structure parts.

[0023] (2) Improve the stiffness and stability of the processing system, greatly reduce the cutting deformation of parts, ensure product quality, and broaden the effective processing stroke of CNC machine tools;

[0024] (3) It has the advantages of convenient operation, good part consistency, stable quality, and high efficiency;

[0025] (4) It is not only applicable to the auxiliary support in the CNC machining process, but also applicable to the auxiliary support in other engineering environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an assembly and usage diagram of the device of the present utility model.

[0027] Figure 2 It is a schematic view of the base structure of this device Figure 1 .

[0028] Figure 3 It is a schematic view of the base structure of this device Figure 2 .

[0029] Figure 4 It is a top view of the base structure of this device.

[0030] Figure 5 It is a sectional view taken along line A - A of the top view of the base structure of this device.

[0031] Figure 6 It is a schematic view of the structure of the first - level support rod of this device Figure 1 .

[0032] Figure 7 It is a schematic view of the structure of the first - level support rod of this device Figure 2 .

[0033] Figure 8 It is a front view of the structure of the first - level support rod of this device.

[0034] Figure 9 It is a top view of the structure of the first - level support rod of this device.

[0035] Figure 10 It is a sectional view taken along line C - C of the top view of the structure of the first - level support rod of this device.

[0036] Figure 11 It is a schematic view of the structure of the second - level support rod of this device Figure 1 .

[0037] Figure 12 It is a schematic view of the structure of the second - level support rod of this device Figure 2 .

[0038] Figure 13 It is a front view of the structure of the second - level support rod of this device.

[0039] Figure 14 It is the top view of the secondary support rod structure of this device.

[0040] Figure 15 It is the C-C cross-sectional view of the top view of the secondary support rod structure of this device.

[0041] Among them, 1 - base, 2 - eccentric groove on the base, 3 - eccentric boss on the first-level support rod, 4 - first-level support rod, 5 - eccentric groove on the first-level support rod, 6 - eccentric boss on the second-level support rod, 7 - second-level support rod, 8 - eccentric groove on the second-level support rod, 9 - counterbore, 10 - anti-slip knurling on the first-level support rod, 11 - anti-slip knurling on the second-level support rod, 12 - main circle of the eccentric boss, 13 - secondary circle of the eccentric boss, 14 - bottom circle of the eccentric groove, 15 - main circle of the eccentric groove, 16 - secondary circle of the eccentric groove. Specific implementation manners

[0042] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts belong to the scope of protection of the present invention.

[0043] A numerically controlled machining grading auxiliary support device proposed by the present invention is characterized in that the device includes: a base 1, a first-level support rod 4, and a second-level support rod 7.

[0044] Among them, the base 1 is a stepped body, and an eccentric groove 2 on the base for cooperating with the first-level support rod 4 is provided on the upper end surface;

[0045] The main body of the first-level support rod 4 is a cylindrical structure. An eccentric boss 3 on the first-level support rod for cooperating with the base 1 is provided on the lower end surface, and an eccentric groove 5 on the first-level support rod is provided on the upper end surface. The eccentric boss 3 on the first-level support rod and the eccentric groove 2 on the base form a first-level support mechanism for quickly combining and adjusting the height;

[0046] The main body of the second-level support rod 7 is a cylindrical structure. An eccentric boss 6 on the second-level support rod for cooperating with the first-level support rod 4 is provided on the lower end surface, and an eccentric groove 8 on the second-level support rod is provided on the upper end surface. The eccentric boss 6 on the second-level support rod and the eccentric groove 5 on the first-level support rod form a second-level support mechanism for quickly combining and adjusting the height;

[0047] Above the eccentric groove 8 on the second-level support rod, multiple grading support rods can be sequentially added according to actual machining requirements to form an N-level support mechanism for quickly combining and adjusting the height.

[0048] Among them, the outer circles of the base 1, the first-level support rod 4, and the second-level support rod 7 are concentric.

[0049] Among them, a counterbore 9 is provided on the lower end surface of the base 1, which increases the effective contact area at the bottom while reducing the weight of the device.

[0050] Among them, anti-slip knurling 10 for the first-level support rod 4 and anti-slip knurling 11 for the second-level support rod 7 are respectively provided on the outer circles near the upper end surfaces, and the effect is to facilitate quick manual disassembly.

[0051] Among them, the first-level support rod 4 and the second-level support rod 7 have different heights, and the effect is to combine and adjust the height of the auxiliary support according to the different height requirements of the machined parts.

[0052] Among them, the eccentric bosses 3 of the first-level support rod and the eccentric bosses 6 of the second-level support rod have the same structure, and the eccentric grooves 2 of the base, the eccentric grooves 5 of the first-level support rod, and the eccentric grooves 8 of the second-level support rod have the same structure, and all the eccentric grooves and eccentric bosses can be used in cooperation with each other.

[0053] Among them, each of the eccentric bosses is composed of a main circle 12 of the eccentric boss and a secondary circle 13 of the eccentric boss; each of the eccentric grooves is composed of a bottom circle 14 of the eccentric groove, a main circle 15 of the eccentric groove, and a secondary circle 16 of the eccentric groove.

[0054] Among them, the main circle 12 of the eccentric boss, the bottom circle 14 of the eccentric groove, and the main circle 15 of the eccentric groove are concentric with the outer circles of the first-level support rod 4 and the second-level support rod 7, and the secondary circle 13 of the eccentric boss and the secondary circle 16 of the eccentric groove are eccentric with the outer circles of the first-level support rod 4 and the second-level support rod 7.

[0055] Among them, the main circle 15 of the eccentric groove and the secondary circle 16 of the eccentric groove have the same shape as the main circle 12 of the eccentric boss and the secondary circle 13 of the eccentric boss, and the size of the eccentric groove is larger than that of the eccentric boss.

[0056] Among them, the secondary circle 13 of the eccentric boss and the bottom circle 14 of the eccentric groove form a rotation self-locking structure.

[0057] When the utility model is in use, the parts are normally positioned and clamped. Only at the suspended structure of the parts, the hierarchical auxiliary support device is added according to the height of the parts to improve the stiffness and stability of the processing system.

Claims

1. A numerically controlled machining hierarchical auxiliary support device, characterized in that The device includes: a base (1), a first-level support rod (4), and a second-level support rod (7). Among them, the base (1) is a stepped body, and the upper end face is provided with a base eccentric groove (2) that matches the first-level support rod (4); the main body of the first-level support rod (4) is a cylindrical structure, the lower end face is provided with a first-level support rod eccentric boss (3) that cooperates with the base (1), and the upper end face is provided with a first-level support rod eccentric groove (5). The first-level support rod eccentric boss (3) and the base eccentric groove (2) cooperate to form a first-level support mechanism for quickly combining and adjusting the height; the main body of the second-level support rod (7) is a cylindrical structure, the lower end face is provided with a second-level support rod eccentric boss (6) that cooperates with the first-level support rod (4), and the upper end face is provided with a second-level support rod eccentric groove (8). The second-level support rod eccentric boss (6) and the first-level support rod eccentric groove (5) cooperate to form a second-level support mechanism for quickly combining and adjusting the height.

2. The device according to claim 1, wherein The outer circles of the base (1), the first-level support rod (4), and the second-level support rod (7) are concentric.

3. The device according to claim 1, characterized in that, The lower end face of the base (1) is provided with a counterbore (9).

4. The device according to claim 1, characterized in that, The outer circles of the first-level support rod (4) and the second-level support rod (7) near the upper end face are respectively provided with a first-level support rod anti-slip knurling (10) and a second-level support rod anti-slip knurling (11).

5. The device according to claim 1, characterized in that, The first-level support rod eccentric boss (3) and the second-level support rod eccentric boss (6) have the same structure, and the base eccentric groove (2), the first-level support rod eccentric groove (5), and the second-level support rod eccentric groove (8) have the same structure.

6. The device according to claim 5, characterized in that The first-level support rod eccentric boss (3) and the second-level support rod eccentric boss (6) are both composed of an eccentric boss main circle (12) and an eccentric boss secondary circle (13). The eccentric boss secondary circle (13) is arranged on the side of the eccentric boss main circle (12); the eccentric grooves (2), the first-level support rod eccentric groove (5), and the second-level support rod eccentric groove (8) are all composed of an eccentric groove bottom circle (14), an eccentric groove main circle (15), and an eccentric groove secondary circle (16). The eccentric groove secondary circle (16) is arranged on the side of the eccentric groove main circle (15).

7. The device according to claim 6, characterized in that, The eccentric boss main circle (12), the eccentric groove bottom circle (14), and the eccentric groove main circle (15) are all concentric with the outer circles of the first-level support rod (4) and the second-level support rod (7), and the eccentric boss secondary circle (13) and the eccentric groove secondary circle (16) are both eccentric with the outer circles of the first-level support rod (4) and the second-level support rod (7).

8. The device according to claim 7, characterized in that, The eccentric groove main circle (15) has the same shape as the eccentric boss main circle (12), and the size of the eccentric groove main circle (15) is larger than that of the eccentric boss main circle (12); the eccentric groove secondary circle (16) has the same shape as the eccentric boss secondary circle (13), and the size of the eccentric groove secondary circle (16) is larger than that of the eccentric boss secondary circle (13).

9. The device according to claim 7, characterized in that, The eccentric boss secondary circle (13) and the eccentric groove bottom circle (14) cooperate to form a rotation self-locking structure.

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