Fine boring device for large and small holes of connecting rod

Abstract

The utility model discloses a connecting rod large and small hole fine boring device which comprises a boring assembly, a transposition assembly is connected in the boring assembly, lifting supports are arranged on the two sides of the boring assembly, and each lifting support comprises a lower fixed box column, an upper movable box column and a hydraulic rod. The transposition assembly comprises a rotating shaft, a second motor, a rotating shaft, a worm and a worm gear, the number of the lifting supports is two, and the worm gear and the worm are both located in the upper movable box column in one lower fixed box column. According to the fine boring device for the large and small holes of the connecting rod, six sets of milling cutters of different models are arranged, selection and use can be conveniently conducted according to needs, the applicability is improved, the boring assembly can be conveniently driven to ascend and descend and conduct boring operation through the lifting support, and the position changing assembly is arranged, so that the boring efficiency is improved. And the boring device can be conveniently driven to change positions, and the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting rod processing, in particular to a connecting rod large and small hole precision boring device. Background Art

[0002] In the prior art, when processing connecting rods, a drilling machine is required to drill holes in the connecting rods, and holes with different diameters need to be drilled in a group of connecting rods.

[0003] In the prior art, when drilling holes of different diameters, the machine needs to be stopped and the milling cutter needs to be replaced, thereby reducing the processing efficiency.

[0004] Therefore, we propose a device for precision boring of connecting rod large and small holes. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a connecting rod large and small hole precision boring device, which has six groups of milling cutters with different models, improves the efficiency and convenience of processing, and can effectively solve the problems in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a connecting rod large and small hole precision boring device, including a boring assembly, a transposition assembly is connected to the boring assembly, and lifting brackets are arranged on both sides of the boring assembly, the lifting bracket includes a lower fixed box column, an upper movable box column and a hydraulic rod, the transposition assembly includes a rotating shaft, a second motor, a rotating shaft, a worm and a worm wheel, the number of the lifting brackets is two groups, and the worm wheel and the worm are both located inside the upper movable box column in one group of the lower fixed box columns, the boring assembly includes a regular hexagonal fixed box frame, a boring device and an internal fixing frame, and the number of the boring devices is six groups, the boring device includes a first motor and a milling cutter, the rotating shaft passes through the regular hexagonal fixed box frame and the internal fixing frame, and the internal fixing frame is fixedly installed inside the regular hexagonal fixed box frame, and the internal fixing frame is fixedly connected to the outer wall of the middle part of the rotating shaft.

[0009] Preferably, the first motor is fixedly installed between the outer wall of the internal fixing frame and the inner wall of the regular hexagonal fixing box frame, and the milling cutter is fixedly connected to the outer surface of one end of the output shaft in the first motor.

[0010] Preferably, the number of the hydraulic rods in a group of the lifting brackets is two groups, and the two groups of hydraulic rods are fixedly installed on the left and right sides of the lower fixed box-type column, and the piston rods in the hydraulic rods slide through the lower fixed box-type column and are fixedly connected to the lower end outer surface of the upper movable box-type column.

[0011] Preferably, a sealed bearing is provided between the rotating shaft and the upper movable box-type column, and the rotating shaft is rotatably connected to the upper movable box-type column via the sealed bearing.

[0012] Preferably, the second motor is fixedly mounted on the upper part of the outer surface of one side of the upper movable box-type column in a group of the lifting brackets, the rotating shaft is connected to the outer surface of one end of the output shaft in the second motor, the worm is fixedly mounted on the middle part of the rotating shaft, the worm wheel is located on the outer surface of the lower end of the worm wheel, and the worm wheel is fixedly mounted on the outer wall of one end of the rotating shaft.

[0013] Preferably, the outer surface of the lower end of the worm gear is meshed with the outer surface of the upper end of the worm wheel, a sealed bearing is arranged between the rotating shaft and the upper movable box-type column, the rotating shaft is rotatably connected to the upper movable box-type column through the sealed bearing, a coupling is arranged between the rotating shaft and the second motor, and the outer surface of one end of the rotating shaft is fixedly connected to the outer surface of one end of the output shaft in the rotating shaft through the coupling.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a connecting rod large and small hole precision boring device, which has the following beneficial effects:

[0016] 1. The device for fine boring large and small holes of a connecting rod has six groups of milling cutters with different models through a boring assembly, which is convenient for selection and use according to needs, thereby improving applicability.

[0017] 2. The connecting rod large and small hole precision boring device is convenient for driving the boring assembly to be lifted and lowered to perform boring operations by means of a lifting bracket.

[0018] 3. The device for fine boring large and small holes of the connecting rod facilitates the boring machine to be replaced by a displacement assembly, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a connecting rod large and small hole precision boring device.

[0020] Figure 2 The utility model is a schematic structural diagram of a boring assembly in a connecting rod large and small hole precision boring device.

[0021] Figure 3 The utility model is a side cross-sectional view of a boring assembly in a connecting rod large and small hole precision boring device.

[0022] Figure 4 The utility model is a structural schematic diagram of a lifting bracket and a position-changing component in a connecting rod large and small hole precision boring device.

[0023] Figure 5It is a partial side cross-sectional view of a transposition component in a connecting rod large and small hole precision boring device of the utility model.

[0024] In the figure: 1. boring assembly; 2. lifting bracket; 3. transposition assembly; 4. regular hexagonal fixed box frame; 5. boring device; 6. internal fixed frame; 7. first motor; 8. milling cutter; 9. lower fixed box column; 10. upper movable box column; 11. hydraulic rod; 12. rotating shaft; 13. second motor; 15. rotating shaft; 16. worm; 17. worm wheel. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] This embodiment is a connecting rod large and small hole precision boring device.

[0027] like Figure 1-5 As shown, it includes a boring component 1, a transposition component 3 is connected to the boring component 1, and lifting brackets 2 are arranged on both sides of the boring component 1. The lifting brackets 2 include a lower fixed box column 9, an upper movable box column 10 and a hydraulic rod 11. The transposition component 3 includes a rotating shaft 12, a second motor 13, a rotating shaft 15, a worm 16 and a worm wheel 17. The number of lifting brackets 2 is two groups, and the worm wheel 17 and the worm 16 are both located inside the upper movable box column 10 in a group of lower fixed box columns 9. The boring component 1 includes a regular hexagonal fixed box frame 4, a boring device 5 and an internal fixing frame 6, and the number of the boring devices 5 is six groups. The boring device 5 includes a first motor 7 and a milling cutter 8. The rotating shaft 12 passes through the regular hexagonal fixed box frame 4 and the internal fixing frame 6, and the internal fixing frame 6 is fixedly installed inside the regular hexagonal fixed box frame 4, and the internal fixing frame 6 is fixedly connected to the outer wall of the middle part of the rotating shaft 12.

[0028] The first motor 7 is fixedly installed between the outer wall of the internal fixed frame 6 and the inner wall of the regular hexagonal fixed box frame 4, and the milling cutter 8 is fixedly connected to the outer surface of one end of the output shaft in the first motor 7; there are two groups of hydraulic rods 11 in a set of lifting brackets 2, and the two groups of hydraulic rods 11 are fixedly installed on the left and right sides of the lower fixed box column 9, and the piston rods in the hydraulic rods 11 slide through the lower fixed box column 9 and are fixedly connected to the lower end outer surface of the upper movable box column 10; a sealed bearing is provided between the rotating shaft 12 and the upper movable box column 10, and the rotating shaft 12 is rotatably connected to the upper movable box column 10 through the sealed bearing; the second motor 13 is fixedly installed on the upper movable box column 1 in a set of lifting brackets 2 0, the rotating shaft 15 is connected to the outer surface of one end of the output shaft in the second motor 13, the worm 16 is fixedly installed in the middle of the rotating shaft 15, the worm wheel 17 is located on the outer surface of the lower end of the worm 16, and the worm wheel 17 is fixedly installed on the outer wall of one end of the rotating shaft 12; the lower end outer surface of the worm 16 and the upper end outer surface of the worm wheel 17 are meshed with each other, a sealed bearing is provided between the rotating shaft 15 and the upper movable box-type column 10, and the rotating shaft 15 is rotatably connected to the upper movable box-type column 10 through the sealed bearing, and a coupling is provided between the rotating shaft 15 and the second motor 13, and the outer surface of one end of the rotating shaft 15 is fixedly connected to the outer surface of one end of the output shaft in the rotating shaft 15 through the coupling.

[0029] It should be noted that the utility model is a device for fine boring of connecting rod large and small holes, and is provided with a boring assembly 1. The boring assembly 1 has six groups of boring devices 5. The milling cutters 8 in the six groups of boring devices 5 are of different models and can be selected according to needs. The transposition assembly 3 is provided, and the rotation shaft 15 is driven to rotate by the operation of the second motor 13. The rotation shaft 15 drives the worm 16 to rotate. The worm 16 and the worm wheel 17 are meshed with each other. The worm 16 drives the rotating shaft 12 to rotate through the worm wheel 17, and the rotating shaft 12 drives the boring assembly 1 to rotate, so as to facilitate the transposition of the position of the boring device 5; the lifting bracket 2 is provided, and can drive the boring assembly 1 to rise and fall through the operation of the hydraulic rod 11, so as to facilitate the driving of the boring device 5 to rise and fall, and facilitate drilling. The milling cutter 8 is driven to rotate by the first motor 7, so as to facilitate drilling of the connecting rod.

[0030] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A connecting rod large and small hole precision boring device, comprising a boring assembly (1), characterized in that: The boring assembly (1) is connected to a transposition assembly (3), and lifting brackets (2) are arranged on both sides of the boring assembly (1), and the lifting brackets (2) include a lower fixed box column (9), an upper movable box column (10) and a hydraulic rod (11). The transposition assembly (3) includes a rotating shaft (12), a second motor (13), a rotating shaft (15), a worm (16) and a worm wheel (17). The number of the lifting brackets (2) is two groups, and the worm wheel (17) and the worm (16) are both located in one group of the lower fixed box column (9). Inside the upper movable box column (10), the boring assembly (1) includes a regular hexagonal fixed box frame (4), a boring device (5) and an internal fixing frame (6), and the number of the boring devices (5) is six. The boring device (5) includes a first motor (7) and a milling cutter (8). The rotating shaft (12) passes through the regular hexagonal fixed box frame (4) and the internal fixing frame (6), and the internal fixing frame (6) is fixedly installed inside the regular hexagonal fixed box frame (4), and the internal fixing frame (6) is fixedly connected to the outer wall of the middle part of the rotating shaft (12).

2. A connecting rod large and small hole precision boring device according to claim 1, characterized in that: The first motor (7) is fixedly installed between the outer wall of the internal fixing frame (6) and the inner wall of the regular hexagonal fixing box frame (4), and the milling cutter (8) is fixedly connected to the outer surface of one end of the output shaft of the first motor (7).

3. A connecting rod large and small hole precision boring device according to claim 2, characterized in that: The number of the hydraulic rods (11) in a set of the lifting brackets (2) is two groups, and the two groups of the hydraulic rods (11) are fixedly installed on the left and right sides of the lower fixed box-type column (9), and the piston rods in the hydraulic rods (11) slide through the lower fixed box-type column (9) and are fixedly connected to the lower end outer surface of the upper movable box-type column (10).

4. A connecting rod large and small hole precision boring device according to claim 3, characterized in that: A sealed bearing is provided between the rotating shaft (12) and the upper movable box-type column (10), and the rotating shaft (12) is rotatably connected to the upper movable box-type column (10) via the sealed bearing.

5. A connecting rod large and small hole precision boring device according to claim 4, characterized in that: The second motor (13) is fixedly mounted on the upper part of the outer surface of one side of the upper movable box-type column (10) in a set of the lifting brackets (2); the rotating shaft (15) is connected to the outer surface of one end of the output shaft in the second motor (13); the worm (16) is fixedly mounted on the middle part of the rotating shaft (15); the worm wheel (17) is located on the outer surface of the lower end of the worm (16); and the worm wheel (17) is fixedly mounted on the outer wall of one end of the rotating shaft (12).

6. A connecting rod large and small hole precision boring device according to claim 5, characterized in that: The outer surface of the lower end of the worm (16) is meshed with the outer surface of the upper end of the worm wheel (17); a sealed bearing is provided between the rotating shaft (15) and the upper movable box-type column (10); the rotating shaft (15) is rotatably connected to the upper movable box-type column (10) via the sealed bearing; a coupling is provided between the rotating shaft (15) and the second motor (13); the outer surface of one end of the rotating shaft (15) is fixedly connected to the outer surface of one end of the output shaft in the rotating shaft (15) via the coupling.

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