Connecting rod double-station multi-procedure integrated machining device

By designing a dual-station multi-process integrated machining device for connecting rods, the device utilizes the fixture body and positioning structure to achieve rapid workpiece positioning and multi-process integrated machining, solving the problems of low machining accuracy and efficiency in existing technologies and improving the accuracy and efficiency of connecting rod machining.

CN223670672UActive Publication Date: 2025-12-16JIANGSU GANGYANG
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Patent Information

Application Number
CN202520053270.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-16
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing split connecting rod requires frequent changes of machine tools and fixtures during the manufacturing process, resulting in low processing efficiency, failure to meet the accuracy and flatness requirements of the drawings, and high processing cost.

Method used

A connecting rod dual-station multi-process integrated machining device was designed. The fixture body includes a fixture body, a positioning boss, a threaded hole group, a positioning plate and a positioning core, etc., to realize the rapid positioning of the workpiece and multi-process integrated machining.

Benefits of technology

It improves processing accuracy and flatness, reduces the number of loading and unloading operations between processes, and improves production efficiency and product quality stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223670672U_ABST
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Abstract

The utility model discloses a connecting rod double-station multi-procedure integrated machining device which comprises a clamp body, the clamp body comprises a disc-shaped clamp main body, a blocky positioning boss is arranged on the upper surface of the clamp main body, and a pair of first threaded hole sets and a pair of second threaded hole sets are arranged on the upper surface of the positioning boss. The first threaded hole sets are distributed in a central symmetry mode relative to the circle center of the clamp body, the second threaded hole sets are distributed in a central symmetry mode relative to the circle center of the clamp body, the first threaded hole sets are each provided with a separable positioning piece and a shaft sleeve, and the second threaded hole sets are each provided with a separable positioning core and a pressing plate. The double-station multi-procedure integrated machining device for the connecting rod can quickly and efficiently position a workpiece in the axial direction and the circumferential direction, the machining precision, flatness and perpendicularity requirements of a plurality of holes and faces are met, product quality control can be better carried out, the product quality stability is improved, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a connecting rod processing equipment, more exactly, it is a connecting rod double position multi -process integrated processing device. BACKGROUND

[0002] The existing split type connecting rod is installed on the special fixture of grinding the two side faces of the big head after the big head hole of the connecting rod is roughly bored, and then the fixture is replaced to drill the small head oil hole after grinding, and the fixture is replaced to drill the two side holes after completion, and each process needs to replace the machine tool equipment. The part processing precision, flatness and parallelism requirement of this kind of mode are influenced by the machine tool and clamping mode, it is difficult to meet the drawing requirement, the processing efficiency is low, the cost is high, and it needs to be improved. UTILITY MODEL CONTENT

[0003] Therefore, it is necessary to provide a connecting rod double position multi -process integrated processing device aiming at the above technical problems.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A connecting rod double position multi -process integrated processing device, characterized in that the connecting rod double position multi -process integrated processing device comprises a clamping body, the clamping body comprises a disc -shaped clamp main part, a block -shaped positioning boss is arranged on the upper surface of the clamp main part,

[0006] A pair of first threaded hole groups and a pair of second threaded hole groups are arranged on the upper surface of the positioning boss,

[0007] The first threaded hole groups are centrally symmetrically distributed relative to the center of the clamp main part, and the second threaded hole groups are centrally symmetrically distributed relative to the center of the clamp main part,

[0008] The first threaded hole groups are centrally symmetrically distributed relative to the center of the clamp main part, and the second threaded hole groups are centrally symmetrically distributed relative to the center of the clamp main part,

[0009] The first threaded hole groups comprise a first center threaded hole and three first side threaded holes, and the first side threaded holes are triangularly distributed,

[0010] The second threaded hole groups comprise a second center threaded hole and five second side threaded holes, and the second side threaded holes are circularly arcuately distributed.

[0011] As a preferred embodiment of the utility model, the positioning sheet is provided with a first positioning center hole, three first positioning auxiliary holes are arranged on the circumference of the first positioning center hole, the first positioning center hole is coaxially arranged with the first center threaded hole, and the positioning auxiliary hole is coaxially arranged with the first side position threaded hole,

[0012] The positioning core is provided with a second center positioning hole, five second positioning auxiliary holes are arranged on the circumference of the second center positioning hole, the second center positioning hole is coaxially arranged with the second center threaded hole, and the second positioning auxiliary hole is coaxially arranged with the second side position threaded hole.

[0013] As a preferred embodiment of the utility model, the circumference of the clamp body is provided with a plurality of sunken threaded holes.

[0014] As a preferred embodiment of the utility model, the positioning sheet and the shaft sleeve are connected with the positioning boss through a first screw rod and a first nut, and the positioning core and the pressing plate are connected with the positioning boss through a second screw rod and a second nut.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The connecting rod double-station multi-process integrated machining device is simple to operate, convenient to assemble and disassemble, meets the diversity of tooling application, and ensures that multiple products can be used after corresponding positioning cores are replaced. The connecting rod double-station multi-process integrated machining device can quickly and efficiently position workpieces in the axial and circumferential directions, ensures the machining precision and flatness and perpendicularity of multiple holes and surfaces, better controls product quality, improves product quality stability, and improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a three-dimensional structure schematic view of the connecting rod double-station multi-process integrated machining device of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic view of the connecting rod double-station multi-process integrated machining device of the utility model; Figure 1

[0020] Figure 3 It is​Figure 2 A schematic diagram of the three-dimensional structure of the clamping body in the diagram;

[0021] Figure 4 for Figure 2 A three-dimensional structural diagram of the positioning core;

[0022] Figure 5 for Figure 2 A three-dimensional structural diagram of the positioning piece in the image;

[0023] Figure 6 for Figure 1 A schematic diagram of the processing equipment in the diagram;

[0024] The markings in the diagram are explained as follows: 1. Fixture body; 10. Fixture main body; 12. Positioning boss; 13. Recessed threaded hole; 14. First threaded hole group; 141. First central threaded hole; 142. First lateral threaded hole; 15. Second threaded hole group; 151. Second central threaded hole; 152. Second central threaded hole (151) and five second lateral threaded holes; 2. Positioning plate; 21. First positioning auxiliary hole; 22. First positioning center hole; 3. Bushing; 4. First nut; 4S. Second nut; 5. Pressure plate; 6. Positioning core; 61. Second positioning auxiliary hole; 62. Second central positioning hole; 8. First screw; 8S. Second screw. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0026] like Figures 1 to 5 As shown, the connecting rod dual-station multi-process integrated processing device G includes a clamping body 1, which includes a disc-shaped clamping body 10, and a block-shaped positioning boss 12 is provided on the upper surface of the clamping body 10.

[0027] It should be noted that the fixture body 10 has several countersunk threaded holes 13 on its circumference for fixing the fixture body 1.

[0028] The upper surface of the positioning boss 12 is provided with a pair of first threaded hole groups 14 and a pair of second threaded hole groups 15. It should be noted that the first threaded hole groups 14 are centrally symmetrically distributed with respect to the center of the fixture body 10, and the second threaded hole groups 15 are centrally symmetrically distributed with respect to the center of the fixture body 10. In this way, two workpieces can be processed simultaneously by rotating the machine.

[0029] Each of the first threaded hole groups 14 is equipped with a separable positioning piece 2 and a bushing 3, and each of the second threaded hole groups 15 is equipped with a separable positioning core 6 and a pressure plate 5.

[0030] The first threaded hole group 14 includes a first central threaded hole 141 and three first lateral threaded holes 142, which are arranged in a triangular pattern.

[0031] The second threaded hole group 15 includes a second central threaded hole 151 and five second lateral threaded holes 152, which are distributed in an arc shape.

[0032] The positioning piece 2 is provided with a first positioning center hole 22, and three first positioning auxiliary holes 21 are provided around the first positioning center hole 22. The first positioning center hole 22 is coaxially arranged with the first center threaded hole 141, and the positioning auxiliary holes 21 are coaxially arranged with the first side threaded hole 142.

[0033] The positioning core 6 is provided with a second central positioning hole 62, and five second positioning auxiliary holes 61 are provided in the circumferential direction of the second central positioning hole 62. The second central positioning hole 62 is coaxially arranged with the second central threaded hole 151, and the second positioning auxiliary holes 61 are coaxially arranged with the second side threaded hole 152.

[0034] The positioning plate 2 and bushing 3 are connected to the positioning boss 12 via the first screw 8 and the first nut 4, and the positioning core 6 and pressure plate 5 are connected to the positioning boss 12 via the second screw 8S and the second nut 4S.

[0035] The following describes the working method of the connecting rod dual-station multi-process integrated processing device, including the steps:

[0036] Step S1: As Figure 4 As shown, the small holes of workpieces Q1 and Q2 are respectively fitted onto the bushing 3, and the large holes are fitted onto the positioning core 6. At this time, workpieces Q1 and Q2 have not yet been clamped.

[0037] Step S2: As Figure 5 As shown, the pressure plate 5 is placed on the second screw 8S, and the semicircle is aligned with the large end holes of workpieces Q1 and Q2. Then, the small end of workpieces Q1 and Q2 is tightened with the first nut 4, and the pressure plate 5 is tightened with the second nut 4S. At this time, workpieces Q1 and Q2 have been fixed.

[0038] Step S3: start the machine tool, the drill starts to process the small head hole K1 of the workpiece Q1, the rear clamp body 1 rotates 180° to process the small head hole K1 of another workpiece Q2, the drill is replaced to process the large head two side holes K2 of the workpiece Q2, after the drilling is completed, the rear clamp body 1 rotates 180° to process the large head two side holes K2 of another workpiece Q1, the clamp body 1 rotates 90°, the tool is replaced to process the large head side surface M1 of the workpiece Q1 and the large head side surface M1 of the workpiece Q2, the rear clamp body 1 rotates 180° to process the large head side surface M2 of the workpiece Q2 and the large head side surface M2 of the workpiece Q1, the rear clamp body 1 rotates 90° to process the large head hole end surface M3 of the workpiece Q2, after the processing is completed, the rear clamp body 1 rotates 180° to process the large head hole end surface M3 of the workpiece Q1, after the processing is completed, the four first nuts 4 are unscrewed, the two pressing plates 5 are taken off, and the workpiece Q1 and the workpiece Q2 that have completed processing are taken off.

[0039] It should be noted that according to the hole diameter specifications of the connecting rod small hole and the large hole, different models of positioning cores 6 and shaft sleeves 3 can be replaced, and the applicability is strong.

[0040] The clamp body 1 rotates 90° to process another end surface after processing the two side surfaces of the connecting rod body, drills two side hole holes and a small head oil hole after processing the end surface, a plurality of processes are concentrated to complete, the number of loading and unloading between different processes and different equipment is reduced, and the processing efficiency is effectively improved.

[0041] The connecting rod double-station multi-process integrated machining device is simple to operate, convenient to assemble and disassemble, meets the diversity of tooling application, and ensures that multiple products can be used after replacing the corresponding positioning core. The connecting rod double-station multi-process integrated machining device can quickly and efficiently position the workpiece in the axial and circumferential directions, ensures the machining precision and flatness and perpendicularity of multiple holes and surfaces, so as to better control the product quality, improve the product quality stability, and improve the production efficiency.

[0042] Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application.

Claims

1. A connecting rod dual-station multi-process integrated processing device, characterized in that, The connecting rod dual-station multi-process integrated processing device (G) includes a clamping body (1), the clamping body (1) includes a disc-shaped clamping body (10), and the upper surface of the clamping body (10) is provided with a block-shaped positioning boss (12). The upper surface of the positioning boss (12) is provided with a pair of first threaded hole groups (14) and a pair of second threaded hole groups (15). The first threaded hole group (14) is centrally symmetrically distributed with respect to the center of the clamp body (10), and the second threaded hole group (15) is centrally symmetrically distributed with respect to the center of the clamp body (10). The first threaded hole group (14) is provided with a separable positioning piece (2) and a bushing (3), and the second threaded hole group (15) is provided with a separable positioning core (6) and a pressure plate (5). The first threaded hole group (14) includes a first central threaded hole (141) and three first lateral threaded holes (142), the first lateral threaded holes (142) being arranged in a triangular pattern. The second threaded hole group (15) includes a second central threaded hole (151) and five second side threaded holes (152), the second side threaded holes (152) being distributed in an arc shape.

2. The connecting rod dual-station multi-process integrated processing device according to claim 1, characterized in that, The positioning piece (2) is provided with a first positioning center hole (22), and three first positioning auxiliary holes (21) are provided around the first positioning center hole (22). The first positioning center hole (22) is coaxially arranged with the first center threaded hole (141), and the positioning auxiliary holes (21) are coaxially arranged with the first side threaded holes (142). The positioning core (6) is provided with a second central positioning hole (62), and five second positioning auxiliary holes (61) are provided in the circumferential direction of the second central positioning hole (62). The second central positioning hole (62) is coaxially arranged with the second central threaded hole (151), and the second positioning auxiliary holes (61) are coaxially arranged with the second side threaded hole (152).

3. The connecting rod dual-station multi-process integrated processing device according to claim 1, characterized in that, The fixture body (10) is provided with several recessed threaded holes (13) in the circumferential direction.

4. The connecting rod dual-station multi-process integrated processing device according to claim 1, characterized in that, The positioning plate (2) and bushing (3) are connected to the positioning boss (12) through the first screw (8) and the first nut (4), and the positioning core (6) and pressure plate (5) are connected to the positioning boss (12) through the second screw (8S) and the second nut (4S).