Precision machining mechanism for necking end of exhaust pipe

Abstract

The utility model belongs to the technical field of precision machining mechanisms, and particularly relates to a precision machining mechanism for a necking end of an exhaust pipe. The machining device comprises a machining base, a workbench and a supporting plate are arranged above the machining base, a supporting column is arranged in an operation hollow part arranged in the machining base, a gear sleeve piece is arranged in the middle of the supporting column in a sleeving mode, a supporting seat is arranged on one side in the operation hollow part, and an electric telescopic rod is arranged in the upper portion of the supporting seat. Meanwhile, a rack is arranged at the telescopic end of the electric telescopic rod and meshed with one side of the gear sleeve, a rotating disc is arranged above the supporting column, an arc-shaped groove part is formed in the upper portion of the rotating disc, a driving column is inserted into the arc-shaped groove part, an inner supporting assembly is arranged above the driving column, and meanwhile the horizontal section of the inner supporting assembly is arranged in a sliding groove part of the supporting plate; according to the utility model, the internal structure is matched, so that the tool assistance is avoided, the alignment is fast, time-saving and labor-saving, the labor amount is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of precision machining mechanisms, and relates to a precision machining mechanism for the necking end of an exhaust pipe. Background Art

[0002] The exhaust pipe is a part of the engine exhaust system, mainly including an exhaust manifold, an exhaust pipe and a muffler. Generally, a three-way catalytic converter for controlling engine pollutant emissions is also installed in the vehicle exhaust pipe. The vehicle exhaust pipe generally includes a front exhaust pipe and a rear exhaust pipe. In the existing motorcycle exhaust pipe, a necking end is welded at the port, and after welding, it is placed on a specific workbench and finely processed by a manipulator assembly. At present, during fine processing, an external auxiliary tooling is used to clamp the workpiece to be processed before processing. Since exhaust pipes with different diameters need to be replaced, the alignment is relatively slow and time-consuming and laborious during replacement, increasing the labor intensity and reducing the work efficiency. Therefore, a precision machining mechanism for the necking end of an exhaust pipe is proposed for the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a precision machining mechanism for the necking end of an exhaust pipe for the above problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A precision machining mechanism for the necking end of an exhaust pipe includes a machining base. One side of the machining base is fixedly connected with a control component. A workbench is arranged above the machining base, and a support plate is arranged above the workbench. A support column is arranged inside the machining base, and a gear set is sleeved outside the middle of the support column. A support seat is arranged inside the machining base, and an electric telescopic rod is arranged inside the support seat above. A rack is arranged at the telescopic end of the electric telescopic rod, and the rack engages with the side of the gear set. A turntable is arranged inside the machining base above, and the top of the support column is inserted into the bottom of the turntable. A driving column is inserted into the turntable above, and an inner support component is arranged above the driving column. At the same time, the horizontal section of the inner support component is placed inside the support plate.

[0006] In the above precision machining mechanism for the necking end of an exhaust pipe, the machining base is fixedly connected with the workbench above, and the support plate is fixedly connected to the middle of the top of the workbench. A groove part is opened in the middle of the machining base above. A first through-hole part is opened in the middle of the workbench, and the first through-hole part and the groove part have the same axis and the same diameter. A second through-hole part is opened in the middle of the support plate.

[0007] In the above precision machining mechanism for the necking end of an exhaust pipe, an operation hollow part is opened inside the machining base above. The bottom center of the operation hollow part is rotatably connected to the bottom of the support column. At the same time, the support column penetrates into the groove part above, and the middle of the support column is sleeved and fixedly connected to the center of the gear set.

[0008] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, one side of the bottom of the operation hollow part is fixedly connected with a support base, and the middle part of the electric telescopic rod is fixedly connected and clamped inside the support base above, the telescopic end of the inner end of the electric telescopic rod is fixedly connected with the front end of the rack, and the bottom of the rack is in close fit with the bottom of the operation hollow part.

[0009] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, the inserted end of the support column is inserted and fixedly connected to the center of the bottom of the turntable, and the turntable is rotatably connected inside the groove part. At the same time, the upper plane of the turntable is flush with the upper plane of the machining base. A plurality of arc-shaped groove parts are arranged above the turntable, and the plurality of arc-shaped groove parts equally divide the upper part of the turntable.

[0010] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, the lower part of the driving column is inserted and slidably connected inside the arc-shaped groove part, and the upper part of the driving column passes through the first through-hole part and the second through-hole part.

[0011] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, the upper part of the driving column is inserted and fixedly connected to the bottom inside the inner support assembly, and the bottom of the horizontal section of the inner support assembly is in close fit with the upper plane of the workbench.

[0012] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, a plurality of chute parts are arranged inside the support plate, and the plurality of chute parts equally divide the support plate. At the same time, the chute part is communicated with the second through-hole part.

[0013] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, the horizontal section of the inner support assembly is inserted and slidably connected inside the chute part, and the upper plane of the horizontal section of the inner support assembly is flush with the upper plane of the support plate.

[0014] In the above-mentioned precision machining mechanism for the necked end of the exhaust pipe, a vertical support part is arranged above the inner support assembly, and a plurality of the support parts are jointly inserted into the product part.

[0015] Compared with the existing technology, the advantages of the present utility model are as follows:

[0016] In the present utility model, a workbench and a support plate are arranged above the machining base. A support column is arranged inside the operation hollow part provided in the machining base, and a gear kit is sleeved outside the middle part of the support column. A support base is arranged on one side inside the operation hollow part, and an electric telescopic rod is arranged above the support base. At the same time, a rack is arranged at the telescopic end of the electric telescopic rod and meshes with one side of the gear kit. A turntable is arranged above the support column, and an arc-shaped groove part is arranged inside the turntable above. A driving column is inserted into the arc-shaped groove part, and an inner support assembly is arranged above the driving column. At the same time, the horizontal section of the inner support assembly is placed inside the chute part of the support plate. By using the cooperation of the internally arranged structures, the need for tooling assistance is avoided, the alignment is fast, time and labor are saved, the labor intensity is reduced, and the work efficiency is increased.

[0017] Other advantages, objectives and features of the present utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall schematic diagram of the present utility model;

[0019] Figure 2 is the enlarged schematic diagram at position A of the present utility model

[0020] Figure 3 is the overall top view schematic diagram of the present utility model;

[0021] Figure 4 is the top view schematic diagram of the internal structure inside the workbench of the present utility model;

[0022] Figure 5 is the schematic diagram of the internal structure of the operation hollow part of the present utility model.

[0023] In the figure: 1, processing base; 101, groove part; 102, operation hollow part; 2, workbench; 21, first through-hole part; 3, support plate; 31, sliding groove part; 32, second through-hole part; 4, inner support assembly; 41, driving column; 401, support part; 5, turntable; 51, arc groove part; 6, gear kit; 7, rack; 8, electric telescopic rod; 9, support seat; 10, support column; 11, control assembly. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The present utility model will be further described below with reference to the accompanying drawings.

[0025] As Figures 1-5 shown, a precision machining mechanism for the necking end of an exhaust pipe includes a processing base 1. A control assembly 11 is fixedly connected to one side of the processing base 1. A workbench 2 is provided above the processing base 1, and a support plate 3 is provided above the workbench 2. A support column 10 is provided inside the processing base 1, and a gear kit 6 is sleeved outside the middle part of the support column 10. A support seat 9 is provided inside the processing base 1, and an electric telescopic rod 8 is provided inside the upper part of the support seat 9. A rack 7 is provided at the telescopic end of the electric telescopic rod 8, and the rack 7 meshes with the side surface of the gear kit 6. A turntable 5 is provided inside the upper part of the processing base 1, and the top of the support column 10 is inserted into the bottom of the turntable 5. A driving column 41 is inserted into the upper part of the turntable 5, and an inner support assembly 4 is provided above the driving column 41. At the same time, the horizontal section of the inner support assembly 4 is placed inside the support plate 3.

[0026] A workbench 2 is fixedly connected above a processing base 1, and a support plate 3 is fixedly connected to the middle of the top of the workbench 2. A groove portion 101 is provided in the middle of the upper part of the processing base 1, and a first through-hole portion 21 is provided in the middle of the workbench 2. The first through-hole portion 21 and the groove portion 101 have the same axis and the same diameter. A second through-hole portion 32 is provided in the middle of the support plate 3.

[0027] The structures inside the processing base 1 can be provided with the first through-hole portion 21 and the second through-hole portion 32 according to the workbench 2 and the support plate 3 respectively without interfering with the work.

[0028] Furthermore, an operation hollow portion 102 is provided inside the upper part of the processing base 1. The center of the bottom of the operation hollow portion 102 is rotatably connected to the bottom of a support column 10. At the same time, the upper part of the support column 10 penetrates into the groove portion 101, and a gear kit 6 is fixedly connected to the middle of the outer sleeve of the support column 10.

[0029] Furthermore, a support seat 9 is fixedly connected to one side of the bottom of the operation hollow portion 102. The middle part of an electric telescopic rod 8 is clamped and fixedly connected inside the upper part of the support seat 9. The telescopic end of the inner end of the electric telescopic rod 8 is fixedly connected to the front end of a rack 7, and the bottom of the rack 7 is closely attached to the bottom of the operation hollow portion 102.

[0030] Among them, the electric telescopic rod 8 provided inside the operation hollow portion 102 is connected to a control component 11. The electric telescopic rod 8 is used to drive the rack 7. In this way, when the rack 7 moves, it can drive the gear kit 6 to rotate, and at the same time, it also drives the support column 10 to rotate together.

[0031] Furthermore, the penetrating end of the support column 10 is inserted and fixedly connected to the center of the bottom of a turntable 5. The turntable 5 is rotatably connected inside the groove portion 101. At the same time, the upper plane of the turntable 5 is flush with the upper plane of the processing base 1. A plurality of arc-shaped groove portions 51 are provided above the turntable 5, and the plurality of arc-shaped groove portions 51 equally divide the upper part of the turntable 5.

[0032] After the support column 10 is inserted into the bottom of the turntable 5, under the movement of the rack 7, the rotation of the gear kit 6 and the support column 10 will also drive the turntable 5 to rotate inside the groove portion 101.

[0033] Furthermore, the lower part of a driving column 41 is inserted and slidably connected inside the arc-shaped groove portion 51, and the upper part of the driving column 41 passes through the first through-hole portion 21 and the second through-hole portion 32.

[0034] The driving column 41 inserted into the arc-shaped groove portion 51 above the turntable 5 will move along with the arc-shaped groove portion 51 due to the rotation of the turntable 5.

[0035] Furthermore, the upper part of the driving column 41 is inserted and fixedly connected to the bottom of an inner support assembly 4, and the bottom of the horizontal section of the inner support assembly 4 is closely attached to the upper plane of the workbench 2.

[0036] Further, a plurality of chute portions 31 are formed in the support plate 3, and the plurality of chute portions 31 equally divide the support plate 3. At the same time, the chute portion 31 communicates with the second through-hole portion 32.

[0037] Further, the horizontal section of the inner support assembly 4 is inserted and slidably connected into the chute portion 31, and the upper plane of the horizontal section of the inner support assembly 4 is flush with the upper plane of the support plate 3.

[0038] An inner support assembly 4 is provided above the driving column 41, and the horizontal section of the inner support assembly 4 is snapped into the chute portion 31 inside the support plate 3. At the same time, the lower part of the horizontal section of the inner support assembly 4 is supported by the workbench 2. When the driving column 41 moves along the arc-shaped groove portion 51, the inner support assembly 4 is moved, so that a plurality of inner support assemblies 4 will gather towards the center of the support plate 3 or move away from each other.

[0039] A vertically supporting member portion 401 is provided above the inner support assembly 4, and a plurality of supporting member portions 401 are jointly inserted into the product part.

[0040] A supporting member portion 401 is provided above the inner support assembly 4, so that a plurality of supporting member portions 401 will gather towards or away from each other. When moving away, the inner part of the product part can be supported.

[0041] Working principle:

[0042] A workbench 2 and a support plate 3 are provided above the processing base 1. A support column 10 is provided in the operation hollow portion 102 provided in the processing base 1, and a gear set 6 is sleeved outside the middle part of the support column 10. In this way, when the gear set 6 is driven, the support column 10 will also rotate. A support seat 9 is provided on one side in the operation hollow portion 102, and an electric telescopic rod 8 is provided inside the upper part of the support seat 9. At the same time, a rack 7 is provided at the telescopic end of the electric telescopic rod 8 and meshes with one side of the gear set 6. In this way, after the electric telescopic rod 8 is started, the rack 7 drives the gear set 6 and the support column 10 to rotate. A turntable 5 is provided above the support column 10, and an arc-shaped groove portion 51 is provided inside the turntable 5. A driving column 41 is inserted into the arc-shaped groove portion 51, and an inner support assembly 4 is provided above the driving column 41. At the same time, the horizontal section of the inner support assembly 4 is placed in the chute portion 31 of the support plate 3. When the support column 10 drives the turntable 5 to rotate, the driving column 41 will move along the arc-shaped groove portion 51, so that the horizontal section of the inner support assembly 4 moves in the chute portion 31. Since a supporting member portion 401 is provided above the inner support assembly 4, after the product part is placed outside a plurality of supporting member portions 401, the plurality of supporting member portions 401 move outwards at the same time to fix the product part, and then the finish machining operation can be carried out.

[0043] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention.

[0044] Although terms such as 1, processing base; 101, groove part; 102, operating hollow part; 2, workbench; 21, first through-hole part; 3, support plate; 31, sliding groove part; 32, second through-hole part; 4, inner support assembly; 41, driving column; 401, support part; 5, turntable; 51, arc-shaped groove part; 6, gear kit; 7, rack; 8, electric telescopic rod; 9, support base; 10, support column; 11, control assembly are used more frequently in this text, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present utility model, and interpreting them as any kind of additional restriction is contrary to the spirit of the present utility model.

Claims

1. A precision machining mechanism for the shrinkage end of an exhaust pipe, comprising a machining base (1), one side of the machining base (1) being fixedly connected to a control component (11), characterized in that: A workbench (2) is provided above the processing base (1), and a support plate (3) is provided above the workbench (2); a support column (10) is provided inside the processing base (1), and a gear set (6) is provided on the outer sleeve of the middle part of the support column (10); a support seat (9) is provided inside the processing base (1), and an electric telescopic rod (8) is provided above the support seat (9); a rack (7) is provided at the telescopic end of the electric telescopic rod (8), and the rack (7) engages with the side of the gear set (6); a turntable (5) is provided above the processing base (1), and the top of the support column (10) is inserted into the bottom of the turntable (5); a driving column (41) is inserted above the turntable (5), and an internal support assembly (4) is provided above the driving column (41), and a horizontal section of the internal support assembly (4) is placed in the support plate (3).

2. The exhaust pipe necking end precision machining mechanism according to claim 1, characterized in that: The processing base (1) is fixedly connected to a workbench (2) at the top, and the middle of the top of the workbench (2) is fixedly connected to a support plate (3). A groove portion (101) is provided in the middle of the top of the processing base (1), a first through hole portion (21) is provided in the middle of the workbench (2), and the first through hole portion (21) and the groove portion (101) are coaxial and have the same diameter, and a second through hole portion (32) is provided in the middle of the support plate (3).

3. The exhaust pipe necking end precision machining mechanism according to claim 2, characterized in that: An operating hollow portion (102) is provided on the top of the processing base (1), and the bottom center of the operating hollow portion (102) is rotatably connected to the bottom of the support column (10), while the top of the support column (10) penetrates into the groove portion (101), and the middle portion of the support column (10) is provided with a fixed outer portion connected to the center of the gear set (6).

4. The exhaust pipe necking end precision machining mechanism according to claim 3, characterized in that: One side of the bottom of the operating hollow portion (102) is fixedly connected to a support seat (9), and the middle of the electric telescopic rod (8) is inserted and fixedly connected to the upper part of the support seat (9), the inner telescopic end of the electric telescopic rod (8) is fixedly connected to the front end of the rack (7), and the bottom of the rack (7) is tightly fitted with the bottom of the operating hollow portion (102).

5. The exhaust pipe necking end precision machining mechanism according to claim 4, characterized in that: The end of the support column (10) is inserted into the center of the bottom of the fixedly connected turntable (5), and the turntable (5) is placed in the groove portion (101) for rotational connection, and the upper plane of the turntable (5) is flush with the upper plane of the processing base (1), and a plurality of arc-shaped grooves (51) are provided above the turntable (5), and the plurality of arc-shaped grooves (51) equally divide the upper part of the turntable (5).

6. The exhaust pipe necking end precision machining mechanism according to claim 5, characterized in that: The arc-shaped groove portion (51) is inserted into the lower part of the sliding connection driving column (41), and the upper part of the driving column (41) passes through the first through hole portion (21) and the second through hole portion (32).

7. The exhaust pipe necking end precision machining mechanism according to claim 6, characterized in that: The top of the driving column (41) is inserted into the bottom of the internal support component (4) for fixed connection, and the bottom of the horizontal section of the internal support component (4) is tightly fitted with the upper plane of the workbench (2).

8. The exhaust pipe necking end precision machining mechanism according to claim 7, characterized in that: A plurality of slide grooves (31) are provided in the support plate (3), and the plurality of slide grooves (31) equally divide the support plate (3), and the slide grooves (31) are connected to the second through hole (32).

9. The exhaust pipe necking end precision machining mechanism according to claim 8, characterized in that: The sliding groove portion (31) is inserted into the horizontal section of the inner support component (4) for sliding connection, and the upper plane of the horizontal section of the inner support component (4) is flush with the upper plane of the support plate (3).

10. The exhaust pipe necking end precision machining mechanism according to claim 1, characterized in that: A vertical support member (401) is provided above the inner support assembly (4), and a plurality of the support members (401) are inserted into the product member together.

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