CN110181304B - Clamp for drilling center holes at two ends of steering knuckle - Google Patents
Clamp for drilling center holes at two ends of steering knuckle Download PDFInfo
- Publication number
- CN110181304B CN110181304B CN201910461954.5A CN201910461954A CN110181304B CN 110181304 B CN110181304 B CN 110181304B CN 201910461954 A CN201910461954 A CN 201910461954A CN 110181304 B CN110181304 B CN 110181304B
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- 230000007246 mechanism Effects 0.000 claims abstract description 127
- 238000003825 pressing Methods 0.000 claims description 32
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a clamp for drilling center holes at two ends of a steering knuckle, which comprises a rod part clamping mechanism, a vertical centering mechanism, an axial positioning mechanism and two jacking mechanisms; the rod part clamping mechanism is used for supporting and clamping the rod part of the knuckle, the vertical centering mechanism is vertically clamped on one of the fork frames, the knuckle is vertically supported and centered through the fork frames, and the knuckle is positioned in the circumferential direction of the rod part; the axial positioning is used for propping one side of the flange plate, which leans against the rod part, and the two propping mechanisms face the axial positioning mechanisms and prop against the two fork frames, so that the steering knuckle is axially positioned and pressed together with the axial positioning mechanisms. In the vertical direction, the invention is divided and positioned by a vertical dividing mechanism and supported by the vertical dividing mechanism and a rod clamping mechanism; in the horizontal direction, the product part is positioned through the axial positioning mechanism and is tightly pressed through the axial positioning mechanism and the two pushing mechanisms, so that the accuracy and the uniqueness of the position of the product part in the clamp are effectively ensured.
Description
Technical Field
The invention belongs to the technical field of tool clamps, and particularly relates to a clamp for punching center holes at two ends of a steering knuckle.
Background
The automobile steering knuckle is used as a special-shaped part with a complex shape, and has high clamping and positioning difficulty in the machining process. In addition, in the prior art, when the central hole of the rod part and the central hole of the fork part of the automobile knuckle are machined, a machining center and a combined machine tool are mostly adopted; the required equipment costs are relatively high. In order to reduce the cost, a simple and efficient processing clamp which is low in manufacturing cost and capable of guaranteeing the product quality and the production efficiency is designed, so that the clamp can be processed on a horizontal lathe and is a problem to be solved urgently.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a clamp for centering holes at two ends of a steering knuckle, which is convenient for positioning and clamping the steering knuckle.
To achieve the above and other related objects, the present invention provides the following technical solutions:
the clamp comprises a rod clamping mechanism, a vertical centering mechanism, an axial positioning mechanism, a first fork supporting mechanism and a second fork supporting mechanism which are arranged on a base; the steering knuckle is clamped in a posture that a rod part is horizontally placed, the rod part clamping mechanism is used for supporting and clamping the rod part of the steering knuckle, the vertical centering mechanism is vertically clamped on one fork frame, the steering knuckle is vertically supported and split through the fork frame, and the steering knuckle is positioned in the circumferential direction of the rod part; the axial positioning is used for propping one side of the flange plate, which is close to the rod part, and the first fork frame propping mechanism and the second fork frame propping mechanism face the axial positioning mechanism and are propped on the two fork frames to axially position and compress the steering knuckle together with the axial positioning mechanism.
By adopting the structure, when the steering knuckle is clamped on the clamp, the rod part is in the horizontal direction, so that the central hole of the rod part and the central hole of the fork part can be conveniently machined; in the vertical direction, the vertical centering mechanism is used for centering and positioning, and the vertical centering mechanism and the rod clamping mechanism are used for supporting; in the horizontal direction, the product part is positioned through the axial positioning mechanism and is pressed through the axial positioning mechanism, the first fork frame propping mechanism and the second fork frame propping mechanism, so that the accuracy and the uniqueness of the position of the product part in the clamp are effectively ensured, and the product part can be processed on a common horizontal lathe.
Optionally, the pole portion clamping mechanism includes the supporting seat, sets up two holders that are used for pressing from both sides tight pole portion on the supporting seat and be used for driving two holders and draw close or keep away from horizontally actuating mechanism, two the holder axisymmetry sets up, and during the clamping, the axis of pole portion and the axisymmetry line of two holders coincide in vertical direction.
Optionally, the actuating mechanism includes the screw rod and two positive and negative swivel nut of level setting on the supporting seat, the axial position of screw rod on the supporting seat is fixed, the screw rod has two screw thread sections that the screw thread direction is opposite, two the swivel nut is established on the screw thread section of different screw thread directions to can follow screw rod axial displacement on the supporting seat, two the swivel nut is installed on corresponding swivel nut, when rotating the screw rod, drives two holders and draws close or keep away from in step through the swivel nut.
Optionally, the holder has V type clamping mouth, two the clamping mouth level of holder is right, just detachably is provided with the clamp splice on the clamping mouth of holder, two be provided with between the holder and restrict the limit structure of drawing close the distance.
Optionally, the middle part of the screw rod is provided with a limit groove, the limit groove divides the screw rod into two sections with opposite screw thread directions, a limit seat is arranged on the support seat, and the limit seat is matched with the limit groove to limit the axial movement of the screw rod.
Optionally, the axial positioning mechanism comprises a positioning seat and a plurality of positioning columns arranged on the positioning seat, wherein the positioning columns are parallel to the axis of the rod part, and the positioning columns are propped against the flange plate.
Optionally, the vertical centering mechanism comprises a centering seat, an upper pressing plate and a lower pressing plate which are arranged on the centering seat, and an actuating mechanism for driving the upper pressing plate and the lower pressing plate to synchronously close or separate.
Optionally, the actuating mechanism includes two screw thread sleeves of vertical setting on dividing the middle seat and positive and negative, the axial position of screw rod on dividing the middle seat is fixed, the screw rod has two screw thread sections that the screw thread direction is opposite, two the screw thread sleeve is established on the screw thread section of different screw thread directions to can follow vertical direction on dividing the middle seat and remove, top board and holding down plate are installed on corresponding screw thread sleeve.
Optionally, the upper pressing plate is installed on the corresponding swivel nut through pivot and support, the support is connected with the swivel nut, the pivot is vertical to be installed on the support, and the upper pressing plate is installed through pivot level rotation ground on the support.
Optionally, the first fork frame propping mechanism and the second fork frame propping mechanism both comprise V-shaped seats for compressing the outer circle of the fork frame and driving mechanisms for driving the V-shaped seats to be close to or far away from the fork frame.
As described above, the invention has the beneficial effects that: according to the invention, when the knuckle is clamped on the clamp, the rod part is in the horizontal direction, so that the central hole of the rod part and the central hole of the fork part can be conveniently machined; in the vertical direction, the vertical centering mechanism is used for centering and positioning, and the vertical centering mechanism and the rod clamping mechanism are used for supporting; in the horizontal direction, the product part is positioned through the axial positioning mechanism and is pressed through the axial positioning mechanism, the first fork frame propping mechanism and the second fork frame propping mechanism, so that the accuracy and the uniqueness of the position of the product part in the clamp are effectively ensured, and the product part can be processed on a common horizontal lathe.
Drawings
FIG. 1 is a schematic view of a steering knuckle;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a view A-A of FIG. 2
FIG. 4 is a view B-B of FIG. 2;
FIG. 5 is a rotational cross-sectional view of the C-C of FIG. 2
Fig. 6 is a view D-D of fig. 2.
Part number description:
100-steering knuckle; 11-a stem; 12-a flange plate; 13-a first fork; 14-a second fork; 200-base; 300-a stem clamping mechanism; 301-supporting seats; 302-a screw; 303-left screw sleeve; 304-left clamp seat; 305-right clamp seat; 306-clamping blocks; 307-right turnbuckle; 308-limiting seats; 400-an axial positioning mechanism; 401-positioning seats; 402-positioning columns; 500-a vertical centering mechanism; 501-a middle separating seat; 502-a screw; 503-upper screw sleeve; 504-lower thread sleeve; 505-upper platen; 506-a lower pressing plate; 507-spindle; 508-supporting seat; 509-a limiting seat; 600-a first fork supporting and tightening mechanism; 601-a first footstock; 602-a first jaw; 603-a first screw; 604-a first screw sleeve; 605-a hand wheel; 700-a second fork-jack mechanism; 701-a second footstock; 702-a first screw sleeve; 703-a second screw; 704-a second jaw; 705-clamping blocks; 706-handwheels.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Examples
The structure of the steering knuckle is shown in fig. 1, and the steering knuckle comprises a rod part 11, a flange plate 12, a first fork 13 and a second fork 14, wherein the central lines of the first fork 13 and the second fork 14 are in mutually perpendicular directions, and the central holes at two ends to be processed are a rod part central hole B and a fork part central hole A.
As shown in fig. 2 to 6, a clamp for centering two ends of a knuckle of the present embodiment includes a base 200, and a rod clamping mechanism 300, a vertical centering mechanism 500, an axial positioning mechanism 400, a first fork-holding mechanism 600, and a second fork-holding mechanism 700 provided on the base 200; when the knuckle 100 is clamped by the clamp, the axis of the rod is in the horizontal direction, the rod clamping mechanism 300 is used for supporting and clamping the knuckle rod, the vertical centering mechanism 500 is vertically clamped on one of the forks, in this example, the first fork is vertically clamped on the upper end face and the lower end face of the first fork through the vertical centering mechanism 500 to realize centering and supporting positioning, and the knuckle is vertically supported through the fork and is vertically centered in the vertical direction, so that the up-down rotation position of a product is determined, namely, the positioning in the circumferential direction of the rod; the axial positioning is used for propping against one side of the flange close to the rod part, the first fork frame propping mechanism 600 and the second fork frame propping mechanism 700 face the axial positioning mechanism 400 and are propped against one side of the two fork frames away from the rod part, and the two fork frames and the axial positioning mechanism 400 are used for axially positioning and compressing the steering knuckle.
When the knuckle is clamped on the clamp, the rod part is in the horizontal direction, so that the rod part center hole and the fork part center hole can be conveniently machined; in the vertical and the circumferential direction of the rod, the vertical centering mechanism 500 is used for centering and positioning, and the vertical centering mechanism 500 and the rod clamping mechanism 300 are used for supporting; in the horizontal direction, the product part is positioned through the axial positioning mechanism 400 and is tightly pressed through the axial positioning mechanism 400, the first fork frame propping mechanism 600 and the second fork frame propping mechanism 700, so that the accuracy and the uniqueness of the position of the product part in the clamp are effectively ensured, and the product part can be processed on a common horizontal lathe. After the fixture is installed on the horizontal lathe, cutters can be respectively arranged at two ends of the fixture to process the two center holes.
As shown in fig. 2 and fig. 3, the rod clamping mechanism 300 includes a supporting seat 301, two clamping seats disposed on the supporting seat 301, and a driving mechanism for driving the two clamping seats to be horizontally close to or far away from, where two clamping seats are axisymmetrically disposed, and are used for clamping a rod, and when clamping, an axis of the rod coincides with an axisymmetric line of the two clamping seats in a vertical direction, and the driving mechanism drives the two clamping seats to be synchronously close to or far away from, so that an axisymmetric central position of the two clamping seats remains unchanged, and the rod clamping mechanism can adapt to clamping of rod parts with different sizes.
Specifically, the driving mechanism includes a screw 302 horizontally disposed on the supporting seat 301, and two left and right threaded sleeves with opposite rotation directions, the left threaded sleeve 303 and the right threaded sleeve 307 are both sleeved on the screw 302, and a chute for moving the threaded sleeves can be disposed on the supporting seat 301, so that the left threaded sleeve 303 and the right threaded sleeve 307 can move axially along the screw 302 on the supporting seat 301; wherein, the axial position of the screw 302 on the supporting seat 301 is fixed, i.e. when the screw 302 rotates, no displacement is generated on the axis, so that the screw sleeve moves; the screw 302 has left and right thread segments with opposite thread directions, i.e. one is a left-handed thread and the other is a right-handed thread; the left screw sleeve 303 is sleeved on the left threaded section, the right screw sleeve 307 is sleeved on the right threaded section, the left clamping seat 304 is arranged on the left screw sleeve 303, and the right clamping seat 305 is arranged on the right screw sleeve 307; because the screw threads of the two screw sleeves are opposite in rotation direction, when the screw rod 302 is rotated, the two clamping seats are driven to synchronously close or separate by the screw sleeves, so that synchronous linkage is realized, and the middle positions of the two clamping seats are ensured to be unchanged all the time. To facilitate operation, a hand wheel 311 is attached to one end of the screw 302.
In the embodiment, the two clamping seats are fixedly sleeved outside the screw sleeve, the outer end of the screw sleeve is provided with a boss, and the boss is propped against the outer side of the clamping seat so as to ensure that the screw sleeve has enough thrust to the clamping seat when the clamping seats are pushed to be close to each other.
In this example, a limiting groove (not shown) is disposed in the middle of the screw 302, the limiting groove divides the screw 302 into two sections with opposite screw thread directions, a limiting seat 308 is disposed on the supporting seat 301, and the limiting seat 308 extends into the limiting groove to cooperate with the limiting groove, thereby limiting the axial movement of the screw 302. For easy installation, the limit seat is provided with a U-shaped structure with an upward opening, and the U-shaped structure stretches into the limit groove so as to facilitate the screw 302 to be installed from above.
Specifically, the clamping seat is provided with a V-shaped clamping opening, the clamping openings of the two clamping seats are transversely opposite, clamping blocks 306 are detachably arranged on the clamping openings of the clamping seats, the circumferential compression of the rod part is ensured through the V-shaped clamping opening structure, the axial line of the rod part is ensured to be positioned on the axisymmetric line of the two clamping seats, the coaxiality of a workpiece and a machine tool spindle is ensured, and the machining of a center hole of the end part is facilitated.
In order to limit the minimum distance between the two clamping seats, a limiting structure 310 for limiting the close distance is arranged between the two clamping seats, and in this example, the limiting structure is a limiting block arranged on the opposite side of the clamping seats.
In this example, to facilitate the adjustment of the center height, a first backing plate 309 is disposed between the support base 301 and the base 200.
As shown in fig. 2 and 5, the axial positioning mechanism 400 includes a positioning seat 401 and a plurality of positioning columns 402 mounted on the positioning seat 401, wherein the positioning columns 402 are parallel to the axis of the rod portion, and the positioning columns 402 are propped against the surface of the flange plate facing the rod portion, that is, the right side of the flange plate of the rotary joint in fig. 2.
As shown in fig. 2 and 6, the vertical centering mechanism 500 includes a centering seat 501, an upper platen 505 and a lower platen 506 provided on the centering seat 501, and an actuator for driving the upper platen 505 and the lower platen 506 to be synchronously moved together or apart. The upper and lower pressure plates 505 and 506 are used to clamp the first yoke, thereby determining the position of the knuckle in the circumferential direction of the lever portion. The structure of the synchronous linkage of the upper pressing plate 505 and the lower pressing plate 506 ensures that the middle positions of the upper pressing plate 505 and the lower pressing plate 506 are unchanged, thereby being convenient for accurate positioning.
The actuating mechanism comprises a screw 502 vertically arranged on a middle separating seat 501 and two threaded sleeves with opposite screw threads, wherein guide grooves are vertically formed in the middle separating seat 501, the two threaded sleeves can move in the vertical direction in the guide grooves, the axial position of the screw 502 on the middle separating seat 501 is fixed, an upper pressing plate 505 is arranged on the upper threaded sleeve, and a lower pressing plate 506 is arranged on the lower threaded sleeve, so that the pressing plate moves along with the threaded sleeves. The two threaded sleeves are an upper threaded sleeve 503 and a lower threaded sleeve 504, the threaded rod 502 is provided with an upper threaded section and a lower threaded section with opposite screw threads, the upper threaded sleeve 503 is sleeved on the upper threaded section, and the lower threaded sleeve 504 is sleeved on the lower threaded section, so that when the threaded rod 502 is rotated, the two pressing plates can be synchronously linked, and the vertical clamping center position is ensured to be unchanged. Also, a hand wheel 510 is attached to the upper end of the screw 502 for ease of operation.
The structure of the screw 502 in axial positioning is similar to that of the rod clamping mechanism 300, and the screw 502 is also vertically extended into a limiting groove in the middle of the screw 502 through a limiting seat 509 arranged on the separating seat 501.
In order to facilitate the disassembly and assembly of the workpiece, the upper pressing plate 505 is arranged on the upper screw sleeve 503 through a rotating shaft 507 and a support 508, in particular, the support 508 is fixedly connected with the upper screw sleeve 503, the rotating shaft 507 is vertically arranged on the support 508, the upper pressing plate 505 is horizontally and rotatably arranged on the support 508 through the rotating shaft, and when the workpiece is required to be put into or taken out of the clamp, the upper pressing plate 505 is rotated away to avoid interference; during clamping, the upper pressing plate 505 is turned back to press against the upper end face of the first fork 13, and the lower pressing plate 506 is supported on the lower end face of the first fork 13.
The first fork supporting mechanism 600 and the second fork supporting mechanism 700 each comprise a V-shaped seat for pressing the outer circle of the fork and a driving mechanism for driving the V-shaped seat to close or separate from the fork. The first fork supporting mechanism 600 is supported on one side of the first fork, which is far away from the rod part, namely the left side in the drawing; the second fork frame pushing mechanism 700 pushes against one side of the second fork frame away from the rod part, namely the left side in the figure; thereby cooperating with the axial positioning mechanism 400 on the right side of the flange plate to axially position and compress the knuckle.
Specifically, as shown in fig. 2 and 5, the first fork supporting mechanism 600 includes a first top seat 601, a first clamping jaw 602, a first screw 603 and a first screw sleeve 604, wherein the first clamping jaw 602 is horizontally arranged in the first top seat 601 and can move along the direction close to the first fork and far from the first fork, the first screw sleeve 604 is fixed on the first top seat 601, the first screw 603 is arranged in the first screw sleeve 604 in a penetrating manner, and the head end of the first screw 603 extends into the first clamping jaw 602 and can rotate relative to the first clamping jaw 602, but no axial relative movement is generated; a hand wheel 605 is connected with the tail end of the screw rod for convenient operation; when the hand wheel is operated, the first screw 603 rotates to drive the clamping jaw to move, and the outer circle of the first fork frame is pressed or retreated. Wherein the clamping jaw is arranged into a V-shaped structure, and a clamping block is arranged at the V-shaped opening.
As shown in fig. 2 and fig. 4, the second fork frame pushing mechanism 700 includes a second top seat 701, a second clamping jaw 704, a second screw 703 and a second screw sleeve 702, wherein the second screw sleeve 702 is horizontally arranged in the second top seat 701 and can move along the direction approaching to the second fork frame 14 and away from the second fork frame 14, the axial position of the second screw 703 on the second thimble is fixed, the second screw sleeve 702 is sleeved outside the second screw 703, the second clamping jaw 704 is mounted on the second screw sleeve 702 and moves synchronously with the second screw sleeve 702, in particular is fixedly sleeved outside the second screw sleeve 702; a hand wheel 706 is connected to the tail end of the screw rod for convenient operation; when the hand wheel is operated, the second screw 703 is rotated, so that the second screw sleeve 702 moves, and the second clamping jaw 704 is driven to press the outer circle of the second fork or retract. Wherein the clamping jaw is arranged in a V-shaped structure, and a clamping block 705 is arranged at the V-shaped opening.
The structure is used when:
placing the steering knuckle into a clamp, positioning and attaching the end face of the flange plate and the axial positioning mechanism 400, rotating a hand wheel on the rod clamping mechanism 300, pushing two V-shaped clamps in the rod clamping mechanism 300 to move towards the center of the clamp, clamping the rod of the workpiece, and ensuring that the center of the rod is coaxial with the center of the main shaft; secondly, the hand wheel of the vertical centering mechanism 500 is rotated, the screw pushes the support, the upper pressing plate 505 and the lower pressing plate 506 to move towards the center of the centering mechanism (on the same horizontal plane with the center of the main shaft), centering of a workpiece high arm (a first fork frame) is achieved, and further uniformity of the thickness of the main pin hole and the wall thickness of the taper hole of the knuckle and the allowance of other machining parts and coaxiality of the center of the fork part and the center of the main shaft of the machine tool are guaranteed. After the machining is finished, the hand wheels of the clamping mechanism 300, the axial positioning mechanism 400, the first fork frame propping mechanism 600 and the second fork frame propping mechanism 700 are sequentially reversely rotated to drive the mechanisms to return to the original positions, so that the workpiece is loosened.
The clamp adopts linkage type on the design of the rod clamping mechanism 300 and the vertical centering mechanism 500, and the rod clamping mechanism 300, the first fork frame propping mechanism 600 and the second fork frame propping mechanism 700 adopt movable V-shaped clamping, so that the positioning and clamping of different products can be realized, and the products can be rapidly switched, so that the clamp is suitable for clamping steering knuckles with different sizes.
Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. A anchor clamps for centering hole is made at knuckle both ends, wherein the knuckle includes ring flange, pole portion and two fork arms, its characterized in that: the fixture comprises a rod part clamping mechanism, a vertical centering mechanism, an axial positioning mechanism, a first fork frame propping mechanism and a second fork frame propping mechanism which are arranged on the base; the steering knuckle is clamped in a posture that a rod part is horizontally placed, the rod part clamping mechanism is used for supporting and clamping the rod part of the steering knuckle, the vertical centering mechanism is vertically clamped on one fork frame, the steering knuckle is vertically supported and split through the fork frame, and the steering knuckle is positioned in the circumferential direction of the rod part; the first fork frame propping mechanism and the second fork frame propping mechanism face the axial positioning mechanism and are propped against the two fork frames to axially position and compress the steering knuckle together with the axial positioning mechanism;
the rod clamping mechanism comprises a supporting seat, two clamping seats arranged on the supporting seat and used for clamping the rod and a driving mechanism used for driving the two clamping seats to be horizontally close or far away, the two clamping seats are axially symmetrically arranged, and when clamping is carried out, the axis of the rod is overlapped with the axial symmetry line of the two clamping seats in the vertical direction; the axial positioning mechanism comprises a positioning seat and a plurality of positioning columns arranged on the positioning seat, the positioning columns are parallel to the axis of the rod part, and the positioning columns are propped against the flange plate; the vertical centering mechanism comprises a centering seat, an upper pressing plate and a lower pressing plate which are arranged on the centering seat, and an actuating mechanism for driving the upper pressing plate and the lower pressing plate to synchronously close or separate; the first fork frame propping mechanism and the second fork frame propping mechanism both comprise V-shaped seats for compressing the excircle of the fork frame and driving mechanisms for driving the V-shaped seats to be close or far away from the fork frame.
2. The clamp for centering both ends of a knuckle according to claim 1, wherein: the driving mechanism comprises a screw rod horizontally arranged on the supporting seat and a positive screw sleeve and a negative screw sleeve, the axial position of the screw rod on the supporting seat is fixed, the screw rod is provided with two screw thread sections with opposite screw thread directions, the two screw sleeves are sleeved on the screw thread sections with different screw thread directions and can axially move along the screw rod on the supporting seat, the two clamping seats are arranged on the corresponding screw sleeves, and when the screw rod is rotated, the screw sleeves drive the two clamping seats to synchronously close or separate.
3. The clamp for centering both ends of a knuckle according to claim 1, wherein: the clamping seat is provided with a V-shaped clamping opening, the clamping openings of the two clamping seats are horizontally aligned, clamping blocks are detachably arranged on the clamping openings of the clamping seats, and a limiting structure for limiting the closing distance is arranged between the two clamping seats.
4. The clamp for centering both ends of a knuckle according to claim 2, wherein: the screw rod middle part is provided with the spacing groove, and the spacing groove divide into two sections of screw thread opposite direction with the screw rod, is provided with spacing seat on the supporting seat, spacing seat with the cooperation of spacing groove limits the axial displacement of screw rod.
5. The clamp for centering both ends of a knuckle according to claim 1, wherein: the actuating mechanism comprises a screw rod and a positive screw sleeve and a negative screw sleeve which are vertically arranged on the middle separating seat, the axial position of the screw rod on the middle separating seat is fixed, the screw rod is provided with two thread sections with opposite thread directions, the two screw sleeves are sleeved on the thread sections with different thread directions and can move on the middle separating seat along the vertical direction, and the upper pressing plate and the lower pressing plate are arranged on the corresponding screw sleeves.
6. The clamp for centering holes at both ends of a knuckle according to claim 5, wherein: the upper pressing plate is installed on the corresponding screw sleeve through a rotating shaft and a support, the support is connected with the screw sleeve, the rotating shaft is vertically installed on the support, and the upper pressing plate can be horizontally and rotatably installed on the support through the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461954.5A CN110181304B (en) | 2019-05-30 | 2019-05-30 | Clamp for drilling center holes at two ends of steering knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461954.5A CN110181304B (en) | 2019-05-30 | 2019-05-30 | Clamp for drilling center holes at two ends of steering knuckle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110181304A CN110181304A (en) | 2019-08-30 |
| CN110181304B true CN110181304B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910461954.5A Active CN110181304B (en) | 2019-05-30 | 2019-05-30 | Clamp for drilling center holes at two ends of steering knuckle |
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| Country | Link |
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| CN (1) | CN110181304B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975505B (en) * | 2021-03-02 | 2023-02-17 | 沈阳机床股份有限公司 | Shifting fork shaft clamping mechanism of hydraulic numerical control machine tool and clamping method thereof |
| CN113211126B (en) * | 2021-05-06 | 2022-07-05 | 湖北三环锻造有限公司 | 45-degree inclined lathe milling end face centering device for steering knuckle |
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| CN201394726Y (en) * | 2009-04-27 | 2010-02-03 | 芜湖恒隆汽车转向系统有限公司 | Press mounting and riveting device for oil cylinder and housing of diverter |
| CN203993235U (en) * | 2014-06-13 | 2014-12-10 | 湖北三环锻造有限公司 | Knuckle curved boom processing two ends centre hole clamp |
| CN204771752U (en) * | 2015-07-02 | 2015-11-18 | 庆铃汽车（集团）有限公司 | Spindle adds clamping apparatus |
| CN204771646U (en) * | 2015-07-02 | 2015-11-18 | 庆铃汽车（集团）有限公司 | Mechanism in automatic correction of branch of spindle |
| CN210360347U (en) * | 2019-05-30 | 2020-04-21 | 庆铃汽车（集团）有限公司 | Clamp for drilling central holes at two ends of steering knuckle |
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|---|---|
| CN110181304A (en) | 2019-08-30 |
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