An integrated auxiliary device for automobile connecting rod processing and testing

By designing an integrated auxiliary device for connecting rod processing and inspection that includes multiple motors and fixtures, the problems of low efficiency and low precision caused by traditional separate processing of connecting rods are solved, and efficient integrated processing and inspection of connecting rods are achieved, which improves precision and reduces manpower consumption.

CN116213791BActive Publication Date: 2025-09-12ANHUI UNIV OF SCI & TECH
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Patent Information

Application Number
CN202310398737.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-10
Publication Date
2025-09-12
Estimated Expiration
2043-04-10

AI Technical Summary

Technical Problem

Traditional connecting rod processing and testing are carried out separately, resulting in low efficiency and precision and the inability to achieve integrated processing.

Method used

An integrated auxiliary device for automobile connecting rod processing and inspection is designed, including a base, connecting rod clamp, slide shaft, linear motor, lifting column, drive motor, fixed sleeve, micromotor and other components. Through the coordinated work of these components, automatic centering and clamping of the connecting rod and multi-process integrated processing are realized, including rough and fine milling of the joint surface, drilling, expanding and reaming of bolt holes, and fine boring of large and small head holes.

Benefits of technology

The efficient integrated processing and inspection of the connecting rod is realized, the processing accuracy and efficiency are improved, the workpiece disassembly steps and manpower consumption are reduced, and the waste chip collection is convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

This patent relates to the technical field of automobile parts production, in particular to an integrated auxiliary device for automobile connecting rod processing and detection, which improves the effect and efficiency of the processing of joint surfaces, large and small holes, and bolt holes, assists in detecting the processing accuracy of the connecting rod joint surfaces and large and small holes, and saves manpower; it includes a base, a connecting rod splint, a fixed plate, two sets of slide shafts, a slide groove, a linear motor, a lifting column, a drive motor, a fixed sleeve, a micromotor, an automatic centering sleeve, a buffer gasket, a clip, a coupling, a screw, four sets of screw nut seats, a fixed clip, two sets of bolts , fixed grooves, two sets of oily sliding sleeves, the front end of the base and the bottom end of the connecting rod splint are fixedly connected, the rear end of the base and the bottom end of the fixed plate are fixedly connected, two sets of sliding shafts are fixedly installed between the connecting rod splint and the fixed plate, two sets of slide grooves are installed at the upper middle end of the base, a linear motor with two sets of through holes passes through the two sets of sliding shafts and is slidably installed on the slide grooves, the bottom end of the lifting column and the top end of the linear motor are fixedly connected, the output end of the lifting column and the bottom end of the drive motor are fixedly connected, the output end of the drive motor and the fixed sleeve are fixedly connected, and the fixed sleeve and the automatic centering fixture with a micromotor are fixedly connected.
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Description

Technical Field

[0001] This patent relates to the technical field of automobile parts production, and in particular to an integrated auxiliary device for automobile connecting rod processing and testing. Background Art

[0002] The connecting rod is a slender, non-circular rod of variable cross-section that connects the piston to the crankshaft. It transmits the expanding gas pressure acting on the top of the piston to the crankshaft, converting the piston's reciprocating linear motion into rotational motion of the crankshaft to output power. The connecting rod consists of three parts: a big end, a rod shaft, and a small end. The big end is separate, with one half integral with the rod shaft and the other half forming a connecting rod cap. The connecting rod cap is assembled to the crankshaft main journal with bolts and nuts. Traditional connecting rod machining and testing requires reinstalling the cut and milled connecting rod head onto a fixture, without integrated machining and testing, resulting in low efficiency and machining accuracy. Summary of the Invention

[0003] In order to solve the above technical problems, an integrated auxiliary device for automobile connecting rod processing and inspection is provided, which is fixedly installed on the machine tool to assist in the processing of connecting rod workpieces, thereby improving the effect and efficiency of processing connecting rod joint surfaces, large and small holes, and bolt holes. The processing involved includes rough and fine milling of joint surfaces, fine boring of large and small head holes, and drilling, expanding and reaming of bolt holes. At the same time, it assists in detecting the processing accuracy of connecting rod joint surfaces and large and small holes, realizing the integration of automobile connecting rod processing and inspection, improving processing accuracy, facilitating the collection of waste chips generated during processing, reducing the steps and time of workpiece disassembly during processing, and saving manpower.

[0004] This patent discloses an integrated auxiliary device for automobile connecting rod processing and detection, including a base, a connecting rod splint, a fixed plate, two sets of sliding shafts, a slide groove, a linear motor, a lifting column, a drive motor, a fixed sleeve, a micromotor, an automatic centering sleeve, a buffer gasket, a clamp, a coupling, a lead screw, four sets of lead screw nut seats, a fixed clamp, two sets of bolts, a fixed groove, and two sets of oily sliding sleeves. The front end of the base is fixedly connected to the bottom end of the connecting rod splint, the rear end of the base is fixedly connected to the bottom end of the fixed plate, the two sets of sliding shafts are fixedly installed between the connecting rod splint and the fixed plate, the two sets of slide grooves are installed at the middle upper end of the base, the linear motor with two sets of through holes passes through the two sets of sliding shafts and is slidably installed on the slide groove, the bottom end of the lifting column is fixedly connected to the top end of the linear motor, the output end of the lifting column is fixedly connected to the bottom end of the drive motor, the output end of the drive motor is fixedly connected to the fixed sleeve, and the fixed sleeve is fixedly connected to the automatic centering fixture with a micromotor.

[0005] This patent provides an integrated auxiliary device for automobile connecting rod processing and detection, which also includes four groups of bolt holes, which are located at the four corners of the base respectively.

[0006] This patent provides an integrated auxiliary device for automobile connecting rod processing and testing, which also includes two sets of unloading grooves, which are located at the intersection of the connecting rod clamp and the lower end surface of the connecting rod body.

[0007] This patent discloses an integrated auxiliary device for automobile connecting rod processing and detection, which also includes a buffer gasket, which is fixedly mounted on the clip at the bottom of the automatic centering sleeve and is made of rubber material.

[0008] This patent provides an integrated auxiliary device for automobile connecting rod processing and testing, which also includes two sets of clips. The two sets of clips are dynamically installed on the left and right sides of the middle of the automatic centering sleeve, and the clips are made of carbide steel.

[0009] This patent provides an integrated auxiliary device for automobile connecting rod processing and detection, which also includes two sets of couplings, one set of couplings is fixedly installed in the middle of the automatic centering sleeve, and the other set of couplings is fixedly installed between the micro-drive motor and the automatic centering sleeve.

[0010] This patent provides an integrated auxiliary device for automobile connecting rod processing and testing, which also includes four sets of screw nut seats, which are fixedly installed at the through holes where the screw passes through the automatic centering sleeve and two sets of clips.

[0011] This patent provides an integrated auxiliary device for automobile connecting rod processing and detection, which also includes a fixing groove, which is fixedly installed in the groove of the connecting rod splint.

[0012] Compared with the prior art, the beneficial effects of this patent are as follows: first, the linear motor is started to drive the lifting column, the fixed sleeve and the automatic centering sleeve to move forward, so that the upper end of the connecting rod passes through the automatic centering sleeve, and the automatic centering sleeve covers the connecting rod head, and makes the connecting rod head, the automatic centering sleeve and the fixed sleeve on the same horizontal plane, then the micro motor is started, combined with the coupling transmission to drive the roller screw to rotate, drive the clip to move automatically in the center, so that the clip clamps the connecting rod head, and then the connecting rod is milled open, and then the lifting column is started to drive the connecting rod head, the fixed sleeve and the automatic centering sleeve to move upward, and then the drive motor is started, and the transmission drives the fixed sleeve to rotate 180 degrees, and the upper and lower joint surfaces are simultaneously Rough and fine milling and precision inspection, then start the linear motor to make it slide backward on the slide rail, and at the same time drive the lifting column, fixed sleeve and automatic centering sleeve to move backward, and process the bolt holes of the connecting rod head and the connecting rod body at the same time, start the drive motor, and drive the fixed sleeve to rotate 180° again, and then start the linear motor again to drive the lifting column, fixed sleeve and automatic centering sleeve to move forward to the original position, and then start the lifting column again to drive the connecting rod head, fixed sleeve and automatic centering sleeve to move downward to restore, fine milling the bolt seat surface, and perform fine boring and precision inspection on the large and small head holes to realize integrated processing and inspection and improve processing efficiency and precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of this patent;

[0014] Figure 2 yes Figure 1 The left side structural diagram of the patent;

[0015] Figure 3 This is a schematic diagram of the principle of the rough and fine milling steps of the patented auxiliary processing of the connecting rod joint surface;

[0016] Figure 4 This is a schematic diagram of the principle of the patented auxiliary processing steps for fine boring of connecting rod head holes;

[0017] Figure 5 This is a schematic diagram of the principle of the patented auxiliary processing steps of drilling, expanding and reaming the connecting rod bolt hole;

[0018] Figure 6 This is the process flow chart of the patented auxiliary processing of connecting rods;

[0019] Figure 7 This is a schematic diagram of the automatic centering fixture structure of this patent;

[0020] Figure 8 This is a schematic cross-sectional view of the connection between the base and the linear motor of the present patent;

[0021] The accompanying drawings are marked as follows: 1. Base; 101. Four groups of bolt holes; 2. Connecting rod clamp; 201. Unloading groove; 3. Fixed plate; 4. Two groups of sliding shafts; 5. Slide groove; 6. Linear motor; 7. Lifting column; 8. Drive motor; 9. Fixed sleeve; 10. Micromotor; 11. Automatic centering sleeve; 12. Buffer gasket; 13. Clip; 14. Coupling; 15. Screw; 16. Four groups of screw nut seats; 17. Fixed clip; 18. Two groups of bolts; 19. Fixed groove; 20. Two groups of oil-based sliding sleeves. DETAILED DESCRIPTION

[0022] To make the purpose, advantages and technical solutions of this patent more clear, the following is a further detailed description and explanation in conjunction with the specific implementation methods and drawings. The following description of this patent is only exemplary and is not intended to limit the scope of this patent.

[0023] like Figures 1 to 8As shown, the present patent proposes an integrated auxiliary device for automobile connecting rod processing and detection, including a base 1, a connecting rod splint 2, a fixed plate 3, two sets of sliding shafts 4, a slide 5, a linear motor 6, a lifting column 7, a drive motor 8, a fixed sleeve 9, a micromotor 10, an automatic centering sleeve 11, a buffer gasket 12, a clip 13, a coupling 14, a lead screw 15, four sets of lead screw nut seats 16, a fixed clip 17, two sets of bolts 18, a fixed groove 19, and two sets of oily sliding sleeves 20. The front end of the base 1 is fixedly connected to the bottom end of the connecting rod splint 2, the rear end of the base 1 is fixedly connected to the bottom end of the fixed plate 3, and the two sets of sliding shafts 4 are fixedly installed. It is installed between the connecting rod clamp 3 and the fixed plate 3, two sets of slide grooves 5 are installed at the middle upper end of the base 1, and the linear motor 6 with two sets of through holes passes through the two sets of slide shafts 4 and is slidably installed on the slide groove 5. The bottom end of the lifting column 7 is fixedly connected to the top end of the linear motor 6, the output end of the lifting column 7 is fixedly connected to the bottom end of the drive motor 8, the output end of the drive motor 8 is fixedly connected to the fixed jacket 9, and the fixed jacket 9 is fixedly connected to the automatic centering fixture 11 with a micro motor 10; first start the linear motor 6 to drive the lifting column 7, the fixed jacket 9 and the automatic centering jacket 11 to move forward, so that the upper end of the connecting rod passes through the automatic centering jacket 11, and automatically The centering sleeve 11 covers the connecting rod head and makes the connecting rod head, automatic centering sleeve 11 and fixed sleeve 9 on the same horizontal plane. Then start the micro motor 10, and drive the roller screw 12 to rotate in combination with the coupling transmission, drive the clip to move automatically in the center, so that the clip clamps the connecting rod head, and then mill the connecting rod. Then start the lifting column 7, drive the connecting rod head, fixed sleeve 9 and automatic centering sleeve 11 to move upward, and then start the drive motor 8, drive and drive the fixed sleeve 9 to rotate 180 degrees, and perform rough and fine milling and precision inspection on the upper and lower joint surfaces at the same time. Then start the linear motor 6, and make the linear motor 6 slide backward on the slide rail. At the same time, it drives the lifting column 7, the fixed sleeve 9 and the automatic centering sleeve 11 to move backward, and processes the bolt holes on the connecting rod head and the connecting rod body at the same time. Then, the drive motor 8 is started, and the fixed sleeve 9 is driven to rotate 180° again. Then, the linear motor 6 is started again to drive the lifting column 7, the fixed sleeve 9 and the automatic centering sleeve 11 to move forward to their original positions. Then, the lifting column 7 is started again to drive the connecting rod head, the fixed sleeve 9 and the automatic centering sleeve 11 to move downward to restore. The bolt seat surface is fine-milled, and the large and small head holes are fine-bored and precision-tested to realize integrated processing and testing, thereby improving processing efficiency and precision.

[0024] This patent provides an integrated auxiliary device for automobile connecting rod processing and detection, which also includes four groups of bolt holes, which are located at the four corners of the base respectively; through the above setting, the device can be installed on a variety of machine tools for auxiliary processing, which is conducive to installation and disassembly and improves convenience.

[0025] This patent provides an integrated auxiliary device for automobile connecting rod processing and testing, which also includes two sets of unloading grooves, which are located at the intersection of the connecting rod clamp and the lower end surface of the connecting rod body; through the above-mentioned arrangement, the processing waste chips can be more fully collected and concentrated stress can be reduced.

[0026] This patented integrated auxiliary device for machining and testing automotive connecting rods also includes a rubber cushioning pad fixedly mounted on a clip at the bottom of the automatic centering jacket. This provides a cushioning force when the clip is clamped, reducing impact damage to the connecting rod head.

[0027] This patented integrated auxiliary device for machining and testing automotive connecting rods also includes two sets of clips, dynamically mounted on the left and right sides of the center of the automatic centering jacket. The clips are made of carbide steel. This arrangement facilitates side positioning, and the use of carbide steel enhances the clip structure's strength, resists deformation, and improves stability.

[0028] This patented integrated auxiliary device for machining and testing automotive connecting rods includes two couplings: one fixedly mounted in the middle of an automatic centering sleeve, and the other fixedly mounted between the micro-drive motor and the automatic centering sleeve. This arrangement drives a roller screw, achieving automatic centering of the two sets of clamps.

[0029] This patented integrated auxiliary device for machining and testing automotive connecting rods also includes four sets of screw and nut mounts, which are fixedly installed at the holes where the screw passes through the automatic centering sleeve and the two sets of clips. This arrangement, combined with the coupling, enables automatic centering of the two sets of clips, improving stability.

[0030] The patented integrated auxiliary device for machining and testing automobile connecting rods also includes a fixing groove fixedly mounted in the groove of the connecting rod clamping plate. This arrangement plays a processing positioning role and absorbs vibrations generated during connecting rod machining.

[0031] This patent is an integrated auxiliary device for automobile connecting rod processing and detection. When it is working, the whole device is first installed on a suitable machine tool, and then the linear motor 6 is started first to drive the lifting column 7, the fixed sleeve 9 and the automatic centering sleeve 11 to move forward, so that the upper end of the connecting rod passes through the automatic centering sleeve 11, and the automatic centering sleeve 11 covers the connecting rod head, and makes the connecting rod head, the automatic centering sleeve 11 and the fixed sleeve 9 are on the same horizontal plane, and then the micro-drive motor 10 is started, combined with the coupling transmission to drive the roller screw 12 to rotate, drive the clip to move automatically in the center, so that the clip clamps the connecting rod head, and then the connecting rod is milled open, and then the lifting column 7 is started to drive the connecting rod head, the fixed sleeve 9 and the automatic centering sleeve 11 to move upward, and then the drive motor 8 is started to drive the fixed sleeve 9 rotates 180°, and rough and fine milling and precision inspection are carried out on the upper and lower joint surfaces at the same time. Then, the linear motor 6 is started to slide backward on the slide rail, and at the same time, the lifting column 7, the fixed sleeve 9 and the automatic centering sleeve 11 are driven to move backward, and the bolt holes of the connecting rod head and the connecting rod body are processed at the same time. Then, the drive motor 8 is started, and the transmission drives the fixed sleeve 9 to rotate 180° again. Then, the linear motor 6 is started again to drive the lifting column 7, the fixed sleeve 9 and the automatic centering sleeve 11 to move forward to the original position. Then, the lifting column 7 is started again to drive the connecting rod head, the fixed sleeve 9 and the automatic centering sleeve 11 to move downward to restore. The bolt seat surface is fine milled, and the large and small head holes are fine bored and precision inspected to realize the integration of processing and detection and improve the processing efficiency and precision.

[0032] To sum up, this patent, through the arrangement of the base 1, connecting rod clamp 2, fixed plate 3, two groups of sliding shafts 4, slide 5, linear motor 6, lifting column 7, drive motor 8, fixed sleeve 9, micromotor 10, automatic centering sleeve 11, buffer gasket 12, clamp 13, coupling 14, screw 15, four groups of screw nut seats 16, fixed clamp 17, two groups of bolts 18, fixed groove 19, and two groups of oily sleeves 20, can conveniently clamp the connecting rod head and connecting rod body during the connecting rod processing, improve the effect and efficiency of the processing of the joint surface, large and small holes, and bolt holes, assist in the detection of the processing accuracy of the connecting rod joint surface and large and small holes, and can conveniently collect the waste chips generated during the processing, realize the integration of connecting rod processing and detection, and save manpower.

[0033] The integrated auxiliary device for processing and testing automobile connecting rods of this patent is an electromechanical composite device, in which the auxiliary processing process of connecting rods includes basic processes such as milling the connecting rods, rough and fine milling and precision testing of the mating surfaces, drilling, expanding and reaming of bolt holes, and fine boring and precision testing of large and small head holes; the linear motor 6, lifting column 7, drive motor 8 and micromotor 10 of the integrated auxiliary device for processing and testing automobile connecting rods of this patent can all be purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0034] The above description is merely a preferred embodiment of this patent. It should be understood that the above specific embodiments of this patent are merely illustrative or explain the principles of this patent and do not constitute a limitation of this patent. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of this patent shall be included in the scope of protection of this patent.

Claims

1. An integrated auxiliary device for automobile connecting rod processing and testing, characterized in that: The invention comprises a base (1), a connecting rod clamp (2), a fixing plate (3), two sets of sliding shafts (4), a sliding groove (5), a linear motor (6), a lifting column (7), a driving motor (8), a fixing clamp (9), a micro motor (10), an automatic centering clamp (11), a buffer gasket (12), a clamp (13), a coupling (14), a lead screw (15), four sets of lead screw nut seats (16), a fixing clamp (17), two sets of bolts (18), a fixing groove (19), and two sets of oily sliding sleeves (20). The front end of the base (1) is fixedly connected to the bottom end of the connecting rod clamp (2), and the rear end of the base and the fixing plate are fixedly connected. (3) The bottom end is fixedly connected, two groups of sliding shafts (4) are fixedly installed between the connecting rod clamp (2) and the fixed plate (3), two groups of sliding grooves (5) are installed at the upper end of the middle part of the base (1), a linear motor (6) with two groups of through holes passes through the two groups of sliding shafts (4) and is slidably installed on the sliding groove (5), the bottom end of the lifting column (7) and the top end of the linear motor (6) are fixedly connected, the output end of the lifting column (7) and the bottom end of the driving motor (8) are fixedly connected, the output end of the driving motor (8) and the fixed sleeve (9) are fixedly connected, and the fixed sleeve (9) and the automatic centering fixture (11) with the micro motor (10) are fixedly connected.

2. The integrated auxiliary device for automobile connecting rod processing and testing according to claim 1, characterized in that: It also includes four groups of bolt holes (101), which are respectively located at the four corners of the base (1).

3. The integrated auxiliary device for processing and testing automobile connecting rods according to claim 1, characterized in that: It also includes two groups of unloading grooves (201), which are located at the intersection of the connecting rod clamping plate (2) and the lower end surface of the connecting rod body.

4. The integrated auxiliary device for processing and testing automobile connecting rods according to claim 1, characterized in that: The utility model also comprises a buffer gasket (12), which is fixedly mounted on a clamping piece (13) at the lower part of the automatic centering jacket (11), and the buffer gasket is made of rubber material.

5. The integrated auxiliary device for processing and testing automobile connecting rods according to claim 1, characterized in that: The automatic centering sleeve (11) further comprises two groups of clips (13), which are dynamically mounted on the left and right sides of the middle of the automatic centering sleeve (11), and the clips are made of hard alloy steel.

6. The integrated auxiliary device for processing and testing automobile connecting rods according to claim 1, characterized in that: It also includes two sets of couplings (14), one set of couplings (14) is fixedly installed in the middle of the automatic centering sleeve (11), and one set of couplings (15) is fixedly installed between the micro motor (10) and the automatic centering sleeve (11).

7. The integrated auxiliary device for processing and testing automobile connecting rods according to claim 1, characterized in that: It also includes four groups of screw nut seats (16), which are fixedly installed at the through holes of the screw (12) passing through the automatic centering sleeve (11) and the two groups of clips (13).

8. The integrated auxiliary device for processing and testing automobile connecting rods according to claim 1, characterized in that: It also includes a fixing groove (19), which is fixedly installed at the groove of the connecting rod clamp (2).

Citation Information

Patent Citations

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