CN221210683U - Knuckle upper arm combined machining clamp - Google Patents
Knuckle upper arm combined machining clamp Download PDFInfo
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- CN221210683U CN221210683U CN202323264581.3U CN202323264581U CN221210683U CN 221210683 U CN221210683 U CN 221210683U CN 202323264581 U CN202323264581 U CN 202323264581U CN 221210683 U CN221210683 U CN 221210683U
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- arm body
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- supporting
- machining
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- 238000003754 machining Methods 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 85
- 230000007246 mechanism Effects 0.000 claims description 31
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000003801 milling Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a knuckle upper arm composite machining clamp which selects three positioning components, can realize the machining of a whole blank by only one clamping, solves the problems of low machining efficiency and unstable machining precision caused by the need of multiple clamping in the existing machining process, reduces operating equipment and operators involved in production, and simultaneously, on the composite machining clamp, due to the arrangement of a yielding groove, a back milling cutter disc can be adopted to feed from the outer end of a bulge, the inner end surface of a bolt hole is machined, the inner end surface of the bolt hole is not accessed from a taper hole any more, and the cutter is short, so that the problem that the machining quality is influenced by the vibration of the cutter when the inner end surfaces of two bolt holes are milled by a lengthened milling cutter is solved.
Description
Technical Field
The utility model relates to the technical field of automobile part machining devices, in particular to a knuckle upper arm composite machining clamp.
Background
The upper arm of the steering knuckle is the last stage of force transmission component of the steering transmission device, the steering knuckle arm is arranged on the left steering knuckle and the right steering knuckle, and the other end of the steering knuckle arm is connected with a transverse pull rod through a ball pin.
In the prior art, there is a knuckle upper arm as in fig. 1, which comprises an elongated arm body 11, the left end of the arm body 11 is outwardly formed with two convex portions 12, the two convex portions 12 are formed with bolt holes, each bolt hole has an outer end face a near the left side and an inner end face b near the right side; the right end of the arm body 11 is provided with a taper hole, the upper arm of the knuckle is required to process two bolt holes, the left end face and the right end face of each bolt hole, the taper hole and the two end faces of the taper hole from a blank to a finished product, the existing clamp cannot realize sequential clamping to realize all the processing procedures of the upper tree, and generally multiple clamping is required.
Specifically, in the prior art, when an inner end surface b of a bolt hole is machined, outer end surfaces a of two bolt holes and the bolt hole are used for positioning, namely, after a blank surface of the inner end surface of a first bolt hole is pressed, an inner end surface b of a second bolt hole is machined, then the inner end surface b of the second bolt hole is pressed, and the inner end surface of the first bolt hole is machined; when the inner end face is machined, the lengthened milling cutter is adopted to feed and machine from the taper hole, the cutter is longer, when a workpiece is machined, the unavoidable vibration is generated, so that cutter lines are generated on the inner end faces of the two bolt holes, when the two end faces of the taper hole are machined and the taper hole is machined subsequently, the same positioning points as the second end faces of the two bolt holes are machined, the error is accumulated due to multiple clamping, and the machining precision of a product is further affected.
Disclosure of utility model
Based on the expression, the utility model provides a knuckle upper arm composite machining clamp, which aims to solve the technical problem that errors are accumulated due to repeated clamping of a knuckle upper arm from a blank to a finished product, and further the machining precision of the product is affected.
The technical scheme for solving the technical problems is as follows:
The utility model provides a knuckle upper arm combined machining anchor clamps for combined machining blank, the blank includes the arm body, the first end of arm body has outwards stretches out the protruding that is used for processing the bolt hole, and its second end is used for processing the taper hole; the device comprises a bridge plate, a first positioning assembly, a second positioning assembly, a third positioning assembly and a side positioning assembly;
The first positioning component comprises a first supporting piece and a first pressing mechanism, the upper end of the first supporting piece is used for supporting the arm body, and the first pressing mechanism is matched with the first supporting piece to clamp the arm body;
The second positioning assembly comprises a second supporting piece and a second pressing mechanism, the upper end of the second supporting piece is used for supporting the protrusion, the second pressing mechanism comprises a movable pressing plate, the movable pressing plate and the second supporting piece are matched to press the arm body and the protrusion, and a yielding groove is formed at the joint of the movable pressing plate, corresponding to the arm body and the protrusion;
The third positioning component comprises an end positioning piece and a third pressing mechanism, the end positioning piece is arranged at the outer end of the second end of the arm body, and the third pressing mechanism is matched with the end positioning piece to clamp the blank along the axial direction of the arm body;
the side positioning assembly is arranged on one side of the arm body and used for positioning the side of the arm body.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
The utility model provides a knuckle upper arm combined machining anchor clamps, select three kinds of locating component, only need a clamping can realize the processing of whole blank, it leads to machining efficiency low to need clamping many times in the current course of working to have solved, machining precision unstable problem reduces operating equipment and operating personnel who participates in production, simultaneously, on this combined machining anchor clamps, owing to the setting of groove of stepping down, can adopt the back milling cutter to follow bellied outer end feed, the interior terminal surface of processing bolt hole, no longer get into from the taper hole, its cutter is short, influence processingquality's problem because of cutter vibration when having solved the interior terminal surface of extension milling cutter milling two bolt holes.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the first support piece comprises a support rod vertically arranged at the upper end of the bridge plate and a first support nail connected to the upper end of the support rod, and the support height of the first support nail is adjustable.
Further, the first hold-down mechanism comprises a lever-type hold-down cylinder and a first hold-down screw, and the first hold-down screw and the first support nail are correspondingly arranged.
Further, the two sides of the first end of the arm body are provided with protrusions, the second supporting piece comprises a supporting base and two second supporting nails arranged on the supporting base, the two second supporting nails respectively correspond to the two protrusions, the number of the second pressing mechanisms is two, and the two movable pressing plates correspondingly press at least part of the two sides of the arm body.
Further, the second pressing mechanism further comprises a rotary pressing cylinder arranged on one side of the arm body, the movable pressing plate is connected to a rotating shaft of the rotary pressing cylinder, the movable pressing plate comprises a connecting section, an arm body pressing section and a protruding pressing section, and the abdicating groove corresponds to the arm body pressing section.
Further, the end positioning piece comprises an end base and a V-shaped positioning block, the end base is arranged on the bridge plate, the V-shaped positioning block is arranged at the upper end of the end base, and a V-shaped groove is formed in the V-shaped positioning block corresponding to the second end of the arm body.
Further, the third pressing mechanism comprises a linear pressing cylinder and an end pressing plate, wherein the end pressing plate is connected to a driving shaft of the linear pressing cylinder and is used for being matched with the V-shaped positioning block to axially fix the arm body.
Further, the driving shaft of the linear pressing cylinder movably penetrates through the end base, and a positioning groove corresponding to the end pressing plate is formed in the side face of the end base.
Drawings
FIG. 1 is a schematic view of a finished knuckle upper arm according to an embodiment of the present application;
Fig. 2 is a schematic structural view of a knuckle upper arm composite machining fixture in use state according to an embodiment of the present application;
Fig. 3 is a schematic structural view of a knuckle upper arm composite machining fixture according to an embodiment of the present application;
FIG. 4 is a schematic view of an embodiment of the present application from another perspective with respect to FIG. 3;
fig. 5 is a schematic structural view of a blank to be processed according to an embodiment of the present application.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be appreciated that spatially relative terms such as "under … …," "under … …," "under … …," "over … …," "over" and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below … …" and "under … …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, units, and the like have electrical or data transferred therebetween.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
As shown in fig. 2, an embodiment of the present application provides a knuckle upper arm composite machining fixture 200 for composite machining a blank 100 of a knuckle upper arm, wherein the blank 100 includes an arm body 101, a first end of the arm body 101 has a protrusion 102 protruding outwards for machining a bolt hole, and a second end of the arm body 101 is used for machining a taper hole;
The knuckle upper arm compound machining fixture 200 includes a bridge plate 210, a first positioning assembly 220, a second positioning assembly 230, a third positioning assembly 240, and a side positioning assembly 250.
The first positioning assembly 220 includes a first supporting member 221 and a first pressing mechanism 222, wherein an upper end of the first supporting member 221 is used for supporting the arm body 101, and the first pressing mechanism 222 cooperates with the first supporting member 221 to clamp the arm body 101.
In this embodiment, the first supporting member 221 includes a supporting rod 2211 vertically disposed at an upper end of the bridge plate 210 and a first supporting pin 2212 connected to an upper end of the supporting rod 2211, and the supporting height of the first supporting pin 2212 is adjustable, and as a preferred embodiment, a lower end of the first supporting pin 2212 is screwed to the supporting rod 2211, and an upper end of the first supporting pin 2212 is used for supporting the arm body 101, and the supporting height of the upper end of the first supporting pin 2212 can be changed by the adjustable rotation of the first supporting pin 2212.
The first pressing mechanism 222 includes a lever-type pressing cylinder 2221 and a first pressing screw 2222, and the first pressing screw 2222 and the first support nail 2212 are disposed correspondingly.
The lever-type pressing cylinder 2221 drives the lever to swing through the lever-type structure, and converts the upward extending pushing force into the downward pressing force of the lever on the arm body 101, so that the installation of the pressing mechanism is facilitated, wherein the first pressing screw 2222 is connected to the end part of the lever.
The second positioning assembly 230 includes a second supporting member 231 and a second pressing mechanism 232, the upper end of the second supporting member 231 is used for supporting the protrusion 102, the second pressing mechanism 232 includes a movable pressing plate 2322, the movable pressing plate 2322 and the second supporting member 231 cooperate to press the arm 101 and the protrusion 102, and a yielding groove 232a is formed at a joint of the movable pressing plate 2322 corresponding to the arm 101 and the protrusion 102.
Referring to fig. 1, in a corresponding technical solution of the present application, the two sides of the first end of the arm 101 have protrusions 102, the second supporting member 231 includes a supporting base 2312 and two second supporting nails 2313 disposed on the supporting base 2312, the two second supporting nails 2313 respectively support the two protrusions 102, the number of the second pressing mechanisms 232 is two, and the two movable pressing plates 2322 correspondingly press at least part of the two sides of the arm 101.
In this embodiment, the second pressing mechanism 232 further includes a rotary pressing cylinder 2321 disposed on one side of the arm body 101, the movable pressing plate 2322 is connected to a rotation shaft of the rotary pressing cylinder 2321, the movable pressing plate 2322 includes a connection section a, an arm body pressing section b and a protruding pressing section c, and the abdicating groove 232a is disposed corresponding to the arm body pressing section b.
The third positioning component 240 comprises an end positioning piece 241 and a third pressing mechanism 242, the end positioning piece 241 is arranged at the outer end of the second end of the arm body 101, and the third pressing mechanism 242 cooperates with the end positioning piece 241 to clamp the blank 100 along the axial direction of the arm body 101.
Specifically, the end positioning piece 241 includes an end base 2411 and a V-shaped positioning block 2412, the end base 2411 is disposed on the bridge 210, the V-shaped positioning block 2412 is disposed at the upper end of the end base 2411, and a V-shaped groove 241a is formed at the end of the V-shaped positioning block 2412 corresponding to the second end of the arm 101.
The third pressing mechanism 242 includes a linear pressing cylinder 2421 and an end pressing plate 2422, and the end pressing plate 2422 is connected to a driving shaft of the linear pressing cylinder 2421, and is used for axially fixing the arm body 101 in cooperation with the V-shaped positioning block 2412.
In the embodiment of the present application, the driving shaft of the linear pressing cylinder 2421 is movably inserted through the end base 2411, and a side surface of the end base 2411 has a positioning groove corresponding to the end pressing plate 2422.
In the embodiment, the whole blank is supported by the V-shaped positioning block 2412, the first supporting nail 2212 and the two second supporting nails 2313 which are close to one side of the taper hole, and the clamping mode that the whole machining process is satisfied in sequence is realized through the clamping and positioning modes of three proper positions.
The side positioning assembly 250 is provided at one side of the arm body 101 for side positioning of the arm body 101, and in particular, the side positioning assembly 250 includes a side positioning rod 251 mounted on the bridge plate and a positioning screw 252 mounted at an upper end of the side positioning rod.
Specifically, the clamping process of the embodiment of the application comprises the following steps:
1. The first support pins 2212 and the lever-type pressing cylinders 2221 are adjusted to proper positions, workpieces are placed into the clamp, the second ends of blanks are abutted against the V-shaped positioning blocks 2412, and the blank surfaces at the lower ends of two bolt holes are abutted against the two second support pins 2313.
2. The linear pressing cylinder 2421 is operated firstly by a machine tool program, the workpiece is transversely pressed and positioned, the end of the workpiece is close to the V-shaped positioning block 2412, the side surface of the workpiece is close to the positioning screw 252, and then the lever-type pressing cylinder 2221 presses the workpiece.
3. Two rotary pressing cylinders 2321 are operated by a machine tool program, and a movable pressing plate 2322 rotates and presses the blank 100.
4. Starting a machining program to machine the workpiece.
In summary, above-mentioned knuckle upper arm combined machining anchor clamps select three kinds of locating component to use, only need a clamping can realize the processing of whole blank, it leads to machining efficiency low to need clamping many times in the current course of working to have solved, the unstable problem of machining precision reduces operation equipment and operating personnel that participate in production, simultaneously, on this combined machining anchor clamps, owing to the setting of groove of stepping down, can adopt the back milling cutter dish to follow bellied outer end feed, the interior terminal surface of processing bolt hole, no longer get into from taper hole department, its cutter is short, influence processingquality's problem because of cutter vibration when having solved the interior terminal surface of extension milling cutter milling two bolt holes.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. The utility model provides a knuckle upper arm combined machining anchor clamps for combined machining blank, the blank includes the arm body, the first end of arm body has outwards stretches out the protruding that is used for processing the bolt hole, and its second end is used for processing the taper hole;
the device is characterized by comprising a bridge plate, a first positioning assembly, a second positioning assembly, a third positioning assembly and a side positioning assembly;
The first positioning component comprises a first supporting piece and a first pressing mechanism, the upper end of the first supporting piece is used for supporting the arm body, and the first pressing mechanism is matched with the first supporting piece to clamp the arm body;
The second positioning assembly comprises a second supporting piece and a second pressing mechanism, the upper end of the second supporting piece is used for supporting the protrusion, the second pressing mechanism comprises a movable pressing plate, the movable pressing plate and the second supporting piece are matched to press the arm body and the protrusion, and a yielding groove is formed at the joint of the movable pressing plate, corresponding to the arm body and the protrusion;
The third positioning component comprises an end positioning piece and a third pressing mechanism, the end positioning piece is arranged at the outer end of the second end of the arm body, and the third pressing mechanism is matched with the end positioning piece to clamp the blank along the axial direction of the arm body;
the side positioning assembly is arranged on one side of the arm body and used for positioning the side of the arm body.
2. The knuckle upper arm composite machining clamp according to claim 1, wherein the first support member includes a support rod vertically provided at an upper end of the bridge plate and a first support pin connected to an upper end of the support rod, and a support height of the first support pin is adjustable.
3. The knuckle upper arm composite machining fixture of claim 2, wherein the first hold-down mechanism comprises a lever-type hold-down cylinder and a first hold-down screw, the first hold-down screw and the first support pin being disposed in correspondence.
4. The knuckle upper arm composite machining clamp according to claim 3, wherein protrusions are formed on two sides of the first end of the arm body, the second supporting piece comprises a supporting base and two second supporting nails arranged on the supporting base, the two second supporting nails respectively support the two protrusions correspondingly, the number of the second pressing mechanisms is two, and the two movable pressing plates correspondingly press at least part of two sides of the arm body.
5. The knuckle upper arm composite machining clamp of claim 4, wherein the second pressing mechanism further comprises a rotary pressing cylinder arranged on one side of the arm body, the movable pressing plate is connected to a rotary shaft of the rotary pressing cylinder, the movable pressing plate comprises a connecting section, an arm body pressing section and a protruding pressing section, and the yielding groove is arranged corresponding to the arm body pressing section.
6. The knuckle upper arm composite machining clamp of claim 4, wherein the end positioning piece comprises an end base and a V-shaped positioning piece, the end base is arranged on the bridge plate, the V-shaped positioning piece is arranged at the upper end of the end base, and a V-shaped groove is formed at the end of the V-shaped positioning piece corresponding to the second end of the arm body.
7. The knuckle upper arm compound machining jig according to claim 6, wherein the third hold-down mechanism includes a linear hold-down cylinder and an end hold-down plate connected to a drive shaft of the linear hold-down cylinder for axially fixing the arm body in cooperation with the V-shaped positioning block.
8. The knuckle upper arm composite machining jig according to claim 7, wherein the drive shaft of the linear hold-down cylinder movably penetrates the end base, and a side surface of the end base has a positioning groove corresponding to the end pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264581.3U CN221210683U (en) | 2023-11-29 | 2023-11-29 | Knuckle upper arm combined machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264581.3U CN221210683U (en) | 2023-11-29 | 2023-11-29 | Knuckle upper arm combined machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221210683U true CN221210683U (en) | 2024-06-25 |
Family
ID=91548515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323264581.3U Active CN221210683U (en) | 2023-11-29 | 2023-11-29 | Knuckle upper arm combined machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221210683U (en) |
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2023
- 2023-11-29 CN CN202323264581.3U patent/CN221210683U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |