Front steering knuckle machining tool
By designing a machining fixture capable of simultaneously clamping two steering knuckles, the problem of low efficiency in existing technologies has been solved, enabling efficient machining of the front steering knuckle.
Patent Information
- Application Number
- CN202520346203.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-03
AI Technical Summary
The existing front steering knuckle machining fixture can only clamp one steering knuckle at a time, requiring two machining centers to complete the machining of both steering knuckles, which is inefficient.
A front steering knuckle machining fixture was designed, which can clamp two steering knuckles at the same time and achieve multi-angle positioning and fixing of the steering knuckles through horizontal fixing plates, vertical fixing plates and various clamping devices, supporting the one-time completion of machining of the top surface and upper extension.
This improved processing efficiency, reduced disassembly and assembly time, and enabled simultaneous processing of two steering knuckles, significantly enhancing production efficiency.
Smart Images

Figure CN223802090U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal processing equipment technical field more specifically, and it is a kind of front knuckle processing frock. BACKGROUND
[0002] In the existing automobile parts, such as front knuckle, a complete set of front knuckle generally includes two corresponding front knuckles on the left and right, and in the existing processing, a general frock clamp can only install one front knuckle for processing. Moreover, since the front knuckle needs to drill holes in the corresponding parts of its top surface and mill the top surface around the holes, it also needs to drill holes in the left and right extensions of the upper extension formed on the rear part of its top surface. The existing frock can only clamp and fix the front knuckle horizontally, process its top surface, and then disassemble the front knuckle and install it on another frock in the machining center after processing is completed, so that the upper extension extends upward and downward. At this time, the upper extension is drilled in the front and rear directions, and then it is processed. It needs to be processed in two machining centers, and only one process can be processed at a time, which is very low in efficiency and poor in effect. SUMMARY
[0003] The utility model aims at overcoming the defects of prior art, and provides a front knuckle processing frock, which can clamp two left front knuckles and two right front knuckles at a time, process the top surface of two middle left front knuckles and right front knuckles, and process the holes in the front and rear extensions of the upper extensions of the left front knuckles and right front knuckles on both sides, which greatly improves the processing efficiency and reduces the disassembly time.
[0004] The utility model solves the technical problem by the following scheme:
[0005] A front knuckle processing frock includes a horizontal fixing plate, the left and right parts of the top surface of the horizontal fixing plate are fixed with vertical fixing plates, the opposite wall surfaces of the two vertical fixing plates are respectively provided with side clamping devices for clamping left front knuckles and right front knuckles, and the two side clamping devices are symmetrically arranged on the left and right sides.
[0006] The left and right parts of the top surface of the middle part of the horizontal fixing plate are respectively provided with middle clamping devices.
[0007] The two middle clamping devices are symmetrically arranged with the center vertical surface of the front and rear extensions of the middle part of the top surface of the horizontal fixing plate as the center.
[0008] The middle clamping device includes a first lever oil cylinder fixed at the front part of the middle part of the top surface of the horizontal fixing plate, a first rotary pressing oil cylinder fixed at the rear part of the middle part of the top surface of the horizontal fixing plate, and a second rotary pressing oil cylinder fixed at the left or right side of the middle part of the top surface of the horizontal fixing plate.
[0009] The end bottom surface of the pressing block of the first lever oil cylinder, the first rotary pressing oil cylinder and the second rotary pressing oil cylinder is fixed with a corresponding positioning seat on the top surface of the corresponding horizontal fixed plate, and the top surface of the upwardly extending protruding column formed in the middle of the top surface of the positioning seat corresponds to the end bottom surface of the pressing block of the corresponding first lever oil cylinder, the first rotary pressing oil cylinder or the second rotary pressing oil cylinder.
[0010] The front part and the rear part of the opposite wall surfaces of the left front knuckle and the right front knuckle clamped by the two middle clamping devices are formed with extension parts, and the middle part of the corresponding horizontal fixed plate of the extension part is formed with a front through slot and a rear through slot.
[0011] The middle part of the corresponding horizontal fixed plate of the left front knuckle and the right front knuckle clamped by the two middle clamping devices is formed with a center through slot.
[0012] The top surface of the horizontal fixed plate between the left front knuckle and the right front knuckle clamped by the two middle clamping devices is fixed with two middle support blocks, and the side away from each other of the two middle support blocks is formed with a vertical part, and the outer side wall of the vertical part is tightly attached to the outer side wall of the side close to the middle part of the horizontal fixed plate of the corresponding left front knuckle or right front knuckle.
[0013] The top surface of the horizontal fixed plate at the front part and the rear part of the left side of the left front knuckle clamped by the two middle clamping devices and the front part and the rear part of the right side of the right front knuckle clamped by the two middle clamping devices is fixed with an outer side support block, and one end of each outer side support block close to the side wall of the left front knuckle or the right front knuckle is formed with an outer vertical part, and the corresponding side wall of the outer vertical part is tightly attached to the outer side wall of the corresponding left front knuckle or right front knuckle.
[0014] The bottom surface of the front bottom surface, the rear bottom surface and the outer side wall at the side away from each other of the left front knuckle and the right front knuckle clamped by the two middle clamping devices is formed with a downwardly extending positioning column, and the bottom surface of the positioning column is formed with a processing through slot on the corresponding horizontal fixed plate.
[0015] The processing through slot at the front part and the rear part is communicated with the corresponding center through slot.
[0016] The protruding effect of the utility model is:
[0017] It can clamp two left front knuckles and two right front knuckles at a time, can process the top surface part of the two middle left front knuckles and right front knuckles at a time, and can process the front and rear extending holes of the upper extension parts of the left front knuckles and the right front knuckles on both sides, which greatly improves the processing efficiency and reduces the disassembly and assembly time. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1It is the local structure schematic view of the fixed rotating support frame of the utility model;
[0019] Figure 2 It is Figure 1 The angle changing local structure schematic view of the utility model;
[0020] Figure 3 It is the local structure schematic view of the utility model;
[0021] Figure 4 It is the angle changing local structure schematic view of the utility model;
[0022] Figure 5 It is Figure 4 Another angle changing local structure schematic view of the utility model;
[0023] Figure 6 It is Figure 4 Still another angle changing local structure schematic view of the utility model;
[0024] Figure 7 It is the local structure schematic view of one of the front steering knuckles. DETAILED DESCRIPTION
[0025] The embodiment, see as Figures 1 to 7 Indicated, a front steering knuckle processing tool, including horizontal fixed plate 10, the left part and the right part of horizontal fixed plate 10 are fixed with connecting plate, the outer side wall of connecting plate is fixed with connecting shaft, the connecting shaft of one side is through bearing swing connection in the fixed plate (horizontal fixed plate 10 is in the fixed plate top) left side top fixed connecting seat of rotating support frame, the fixed plate right side top of rotating support frame is fixed with rotating reduction gearbox, the outer side wall of rotating reduction gearbox is fixed with driving motor, the output shaft of driving motor is connected with the input shaft of rotating reduction gearbox, the output shaft of rotating reduction gearbox is connected with the connecting shaft of right side, it can be through driving motor operation, realize horizontal fixed plate 10 overturn 180 degrees, to the bottom surface of left front steering knuckle and right front steering knuckle can be processed.
[0026] The left part and the right part of the top surface of the horizontal fixed plate 10 are fixed with vertical fixed plate 11, and the opposite wall surfaces of the two vertical fixed plates 11 are respectively provided with side clamping devices 20 for clamping the left front steering knuckle and the right front steering knuckle.
[0027] The left part and the right part of the middle top surface of the horizontal fixed plate 10 are respectively provided with middle clamping devices 30.
[0028] The two middle clamping devices 30 are mirror-symmetrically arranged with the center vertical plane extending forward and backward in the middle of the top surface of the horizontal fixed plate 10 as the center.
[0029] The middle clamping device 30 comprises a first lever oil cylinder 31 fixed at the front of the middle of the top surface of the horizontal fixed plate 10, a first rotary pressing oil cylinder 32 fixed at the back of the middle of the top surface of the horizontal fixed plate 10, and a second rotary pressing oil cylinder 33 fixed at the left or right side of the middle of the top surface of the horizontal fixed plate 10;
[0030] The end bottom surface of the pressing block of the first lever oil cylinder 31, the first rotary pressing oil cylinder 32 and the second rotary pressing oil cylinder 33 is fixed with a corresponding positioning seat on the top surface of the corresponding horizontal fixed plate 10, and the top surface of the upwardly extending protruding column 34 formed in the middle of the top surface of the positioning seat corresponds to the end bottom surface of the pressing block of the corresponding first lever oil cylinder 31, the first rotary pressing oil cylinder 32 or the second rotary pressing oil cylinder 33.
[0031] Further, the front and back of the opposite wall surfaces of the left front steering knuckle and the right front steering knuckle clamped by the two middle clamping devices 30 are formed with an extension 101, and the middle of the corresponding horizontal fixed plate 10 is formed with a front through slot 12 and a back through slot 13 corresponding to the extension 101.
[0032] Further, the middle of the left front steering knuckle and the right front steering knuckle clamped by the two middle clamping devices 30 is formed with a center through slot 14 on the corresponding horizontal fixed plate 10, and the center through slot 14 is communicated with the corresponding side back through slot 13.
[0033] Further, the top surface of the horizontal fixed plate 10 between the left front steering knuckle and the right front steering knuckle clamped by the two middle clamping devices 30 is fixed with two middle support blocks 1, and the side away from each other of the two middle support blocks 1 is formed with a vertical part, and the outer side wall of the vertical part is tightly attached to the outer side wall of the side close to the middle of the horizontal fixed plate 10 of the corresponding left front steering knuckle or right front steering knuckle; the outer side wall of the vertical part cooperates with the corresponding outer side wall of the corresponding left front steering knuckle or right front steering knuckle.
[0034] The top surface of the horizontal fixed plate 10 at the front and back of the left side of the left front steering knuckle clamped by the two middle clamping devices 30 and the top surface of the horizontal fixed plate 10 at the front and back of the right side of the right front steering knuckle clamped by the two middle clamping devices 30 are fixed with outer side support blocks 2, and one end of each outer side support block 2 close to the side wall of the left front steering knuckle or right front steering knuckle is formed with an outer vertical part, and the corresponding side wall of the outer vertical part is tightly attached to and cooperates with the outer side wall of the corresponding left front steering knuckle or right front steering knuckle.
[0035] Further, the bottom surface of the extension connecting part 102 formed on the front bottom surface, the rear bottom surface and the outer side wall of the far side of the left front steering knuckle and the right front steering knuckle clamped by the two middle clamping devices 30 is formed with a positioning column 103 extending downward, and the bottom surface of the positioning column 103 is correspondingly formed with a processing through slot 15 on the horizontal fixing plate 10.
[0036] Further, the processing through slot 15 at the front and rear is communicated with the corresponding central through slot 14.
[0037] Further, the side clamping device 20 comprises a side rotary pressing oil cylinder 21 fixed on the upper part and the lower part of the front and rear inner side of the vertical fixing plate 11, the inner side wall surface of the end of the pressing plate of each side rotary pressing oil cylinder 21 is correspondingly fixed with a side positioning seat 22 on the inner side wall surface of the vertical fixing plate 11, the middle part of the side positioning seat 22 is formed with a side protruding column 23, the end surface of the side protruding column 23 at the front is a plane corresponding to the end surface of the protruding column formed on the outer side wall of the corresponding left front steering knuckle or the right front steering knuckle, the end surface of the side protruding column 23 at the upper part and the lower part is inserted with a central positioning column 24, the outer side wall of the central positioning column 24 is clamped on the inner side wall of the middle through hole of the corresponding side protruding column 23, the end of the central positioning column 24 extends out of the end surface of the side protruding column 23 and is inserted into the corresponding through hole of the corresponding left front steering knuckle or the right front steering knuckle, and the end surface of the side protruding column 23 at the upper part and the lower part is tightly pressed against the corresponding outer side wall of the corresponding left front steering knuckle or the right front steering knuckle. The end of the central positioning column 24 is inserted into the corresponding through hole of the corresponding left front steering knuckle or the right front steering knuckle and cooperates with the corresponding through hole, so that the positioning is realized.
[0038] Further, the inner side wall of the lower part of the two vertical fixing plates 11 is fixed with a plurality of lower supporting blocks 29, and the bottom surface of the corresponding left front steering knuckle or the right front steering knuckle is pressed against the top surface of the corresponding lower supporting block 29, and the top surface of the lower supporting block 29 is an arc-shaped wall surface corresponding to the bottom surface of the corresponding left front steering knuckle or the right front steering knuckle.
[0039] The inner side wall of the upper part of the two vertical fixing plates 11 is fixed with an upper supporting seat 25, and the inner side end surface of the upper supporting seat 25 corresponds to the end surface of the positioning supporting protruding column formed on the outer side wall surface of the corresponding left front steering knuckle or the right front steering knuckle.
[0040] In use, the two left front steering knuckles and the right front steering knuckles are respectively installed on the two middle clamping devices 30 and the side clamping devices 20.
[0041] The left front knuckle and the right front knuckle at the middle part are in close contact with the outer side wall of the vertical part formed on the outer wall surface of the corresponding two middle support blocks 1, and the corresponding side wall of the outer vertical part of the corresponding outer side support block 2 is in close contact with the outer side wall of the corresponding left front knuckle or right front knuckle, thereby limiting the left front knuckle and the right front knuckle at the middle part, and the bottom surface of the corresponding protruding column formed on the corresponding bottom surface of the left front knuckle and the right front knuckle at the middle part is pressed against the top surface of the corresponding protruding column 34, so that the end bottom surface of the corresponding pressing block is pressed against the horizontal end surface formed on the corresponding top surface of the left front knuckle and the right front knuckle at the middle part, thereby achieving clamping and fixing.
[0042] The left front knuckle and the right front knuckle at the two side parts are installed by first placing the rear part of the left front knuckle and the right front knuckle upward and the front part downward, then pressing the bottom surface (the side wall surface in contact with the corresponding side wall of the vertical part of the middle support block 1 when placed horizontally) of the left front knuckle and the right front knuckle against the top surface of the corresponding lower support block 29, and inserting the end part of the center positioning column 24 into the corresponding through hole of the corresponding left front knuckle or right front knuckle and cooperating with the corresponding through hole, thereby achieving positioning, and then operating all the side rotary pressing oil cylinders 21 to press the inner end surface of the end part of the corresponding pressing plate against the corresponding side wall of the corresponding left front knuckle or right front knuckle, thereby fixing the left front knuckle and the right front knuckle.
[0043] Then, processing can be performed, as shown in Figure 1 and 2 The two left front knuckles on the left side are processed views, and the two right front knuckles on the right side are views before processing, from which it can be seen that the left front knuckle and the right front knuckle at the middle part are drilled and milled at the top surface around the drill hole at the corresponding position.
[0044] After completion, the upper extension part on the left front knuckle and the right front knuckle on the left and right sides is drilled forward and backward (the upper extension part of the left front knuckle and the right front knuckle at the middle part is at the rear part of the top surface).
[0045] After completion of the processing, the horizontal fixing plate 10 is rotated 180 degrees by driving the motor, at which time the processing tool can pass through the front through slot 12, the rear through slot 13, the center through slot 14 and the processing through slot 15 to mill and drill the bottom surface (at this time, the top surface) of the left front knuckle and the right front knuckle at the middle part, which has high processing efficiency and good effect.
[0046] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.
Claims
1. A front knuckle machining tooling fixture comprising a horizontal fixed plate (10), characterized in that: The left part and the right part of the top surface of the horizontal fixed plate (10) are fixed with vertical fixed plates (11), the opposite wall surfaces of the two vertical fixed plates (11) are respectively provided with side clamping devices (20) for clamping left and right front steering knuckles, and the two side clamping devices (20) are symmetrically arranged. The left part and the right part of the top surface of the horizontal fixed plate (10) are fixed with vertical fixed plates (11), the opposite wall surfaces of the two vertical fixed plates (11) are respectively provided with side clamping devices (20) for clamping left and right front steering knuckles, and the two side clamping devices (20) are symmetrically arranged. The left part and the right part of the top surface of the horizontal fixed plate (10) are fixed with vertical fixed plates (11), the opposite wall surfaces of the two vertical fixed plates (11) are respectively provided with side clamping devices (20) for clamping left and right front steering knuckles, and the two side clamping devices (20) are symmetrically arranged. The left part and the right part of the top surface of the horizontal fixed plate (10) are fixed with vertical fixed plates (11), the opposite wall surfaces of the two vertical fixed plates (11) are respectively provided with side clamping devices (20) for clamping left and right front steering knuckles, and the two side clamping devices (20) are symmetrically arranged. The end bottom surfaces of the pressing blocks of the first lever oil cylinder (31), the first rotary pressing oil cylinder (32) and the second rotary pressing oil cylinder (33) are respectively fixed with corresponding positioning seats on the top surface of the corresponding horizontal fixed plate (10), and the top surface of the positioning seat is formed with an upwardly extending protruding column (34) in the middle part.
2. The front knuckle machining tooling apparatus of claim 1, wherein: The front part and the rear part of the opposite wall surfaces of the left and right front steering knuckles clamped by the two middle clamping devices (30) are formed with extension parts (101), and the middle part of the horizontal fixed plate (10) corresponding to the extension parts (101) is formed with a front through slot (12) and a rear through slot (13).
3. The front knuckle machining tooling apparatus of claim 2, wherein: The middle part of the left and right front steering knuckles clamped by the two middle clamping devices (30) is formed with a center through slot (14) on the horizontal fixed plate (10) corresponding to the middle part.
4. The front knuckle machining tooling apparatus of claim 1, wherein: The top surface of the horizontal fixed plate (10) between the left and right front steering knuckles clamped by the two middle clamping devices (30) is fixed with two middle supporting blocks (1), and the side away from each other of the two middle supporting blocks (1) is formed with a vertical part, and the outer side wall of the vertical part is tightly attached to the outer side wall of the side of the corresponding left or right front steering knuckle close to the middle part of the horizontal fixed plate (10); and the outer side wall of the vertical part cooperates with the corresponding outer side wall of the corresponding left or right front steering knuckle. The top surface of the horizontal fixed plate (10) at the front and rear of the left side of the left front knuckle clamped by the two middle clamping devices (30) and the right side of the right front knuckle clamped by the two middle clamping devices (30) is fixed with an outer side support block (2), and one end of each outer side support block (2) is formed with an outer vertical portion close to the side wall of the left front knuckle or the right front knuckle.
5. The front knuckle machining tooling apparatus of claim 1, wherein: The bottom surface of the front and rear of the left front knuckle and the right front knuckle clamped by the two middle clamping devices (30) and the bottom surface of the outer side wall at the side away from the two middle clamping devices (30) are formed with a downward extending positioning column (103), and the bottom surface of the positioning column (103) is formed with a processing through groove (15) on the corresponding horizontal fixed plate (10).
6. The front knuckle machining tooling apparatus of claim 5, wherein: The processing through groove (15) at the front and rear communicates with the corresponding central through groove (14).
7. The front knuckle machining tooling apparatus of claim 1, wherein: The side clamping device (20) includes a side rotary pressing oil cylinder (21) fixed to the upper and lower parts of the front and rear of the inner side of the vertical fixed plate (11), and the inner side wall surface of the end of the pressing plate of each side rotary pressing oil cylinder (21) is fixed with a side positioning seat (22) on the inner side wall surface of the corresponding vertical fixed plate (11), and the middle part of the side positioning seat (22) is formed with a side protruding column (23), the end surface of the side protruding column (23) at the front is a plane corresponding to the end surface of the protruding column formed on the outer side wall of the corresponding left front knuckle or right front knuckle, and the end surface of the side protruding column (23) at the upper and lower parts is inserted with a central positioning column (24), the end of the central positioning column (24) extends out of the end surface of the side protruding column (23) and is inserted into the corresponding through hole of the corresponding left front knuckle or right front knuckle, and the end surface of the side protruding column (23) at the upper and lower parts is pressed against the corresponding outer side wall of the corresponding left front knuckle or right front knuckle.
8. The front knuckle machining tooling apparatus of claim 7, wherein: The inner side wall of the lower part of the two vertical fixed plates (11) is fixed with a plurality of lower support blocks (29), and the bottom surface of the corresponding left front knuckle or right front knuckle is pressed against the top surface of the corresponding lower support block (29), and the top surface is an arc-shaped wall surface corresponding to the bottom surface of the corresponding left front knuckle or right front knuckle.
9. The front knuckle machining tooling apparatus of claim 7, wherein: The inner side wall of the upper part of the two vertical fixed plates (11) is fixed with an upper support seat (25), and the inner side end surface of the upper support seat (25) corresponds to the end surface of the positioning support protruding column formed on the outer side wall surface of the corresponding left front knuckle or right front knuckle.