CN210451800U - Be applied to oblique oilhole anchor clamps of bent axle brill of four-axis machining center - Google Patents

Be applied to oblique oilhole anchor clamps of bent axle brill of four-axis machining center Download PDF

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Publication number
CN210451800U
CN210451800U CN201920831156.2U CN201920831156U CN210451800U CN 210451800 U CN210451800 U CN 210451800U CN 201920831156 U CN201920831156 U CN 201920831156U CN 210451800 U CN210451800 U CN 210451800U
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China
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clamping
crankshaft
pair
shaped groove
angular positioning
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CN201920831156.2U
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Chinese (zh)
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周玻立
刘体福
李建
杨梅
廖晓凤
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Chengdu Maidong Automotive Parts Co ltd
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Chengdu Maidong Automotive Parts Co ltd
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Abstract

The utility model provides a crankshaft drilling oblique oil hole clamp applied to a four-axis machining center, which comprises a bottom plate, an angular positioning assembly and a pair of clamping assemblies distributed in parallel; the angular positioning assembly comprises a clamping assembly and a second hydraulic cylinder for driving the clamping assembly to move along a first direction, and the first direction is parallel to the center line of the V-shaped groove; the clamping assembly comprises a pair of clamping rods parallel to the first direction, the pair of clamping rods are used for clamping a connecting rod neck of the crankshaft, the distance between the pair of clamping rods is L, the diameter of the connecting rod neck is D, and L is equal to D; the distance between the midpoint between the pair of clamping rods and the bottom plate is L1, the distance between the central axis of the main journal of the crankshaft and the bottom plate is L2, and L1 is L2. The utility model discloses an anchor clamps, four-axis machining center is applicable to that can be fine, the clamping is fast, degree of automation is high, fix a position accurate and fixed stable, can effectual improvement machining efficiency and guarantee the machining precision.

Description

Be applied to oblique oilhole anchor clamps of bent axle brill of four-axis machining center
Technical Field
The utility model relates to a bent axle processingequipment's field particularly, relates to an oblique oilhole anchor clamps are bored to bent axle that is applied to four-axis machining center.
Background
The crankshaft inclined oil hole is one of important processes for crankshaft machining, is used as a lubricating oil channel, plays a role in lubrication, and has high requirements on the precision of the position degree of the crankshaft inclined oil hole. When the crankshaft oblique oil hole machining device is used for machining, the oblique oil hole of the crankshaft is in an oblique crossing state relative to the common plane, machining of the oblique oil hole at one angle can be achieved only by one-time clamping during machining, and machining efficiency is low.
The prior art adopts four-axis machining center to process the oblique oilhole of bent axle, is expected to realize that a clamping can be to arbitrary angle hole processing, can the effectual machining efficiency who improves the oblique oilhole of bent axle, however, prior art has not had the reasonable bent axle clamping anchor clamps that can match four-axis machining center yet, still adopts traditional clamping with certain angle to the clamping of bent axle, and clamping speed is slow, and the clamping process consumes the manpower, and the bent axle after the clamping adds fixed unstability man-hour at four-axis machining center, appears the processing deviation very easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to four-axis machining center's bent axle and bore oblique oilhole anchor clamps, four-axis machining center that is applicable to that can be fine, clamping is fast, degree of automation is high, fix a position accurate and fixed stable, can effectual improvement machining efficiency and guarantee the machining precision.
The embodiment of the utility model is realized like this: a crankshaft inclined oil hole drilling clamp applied to a four-axis machining center comprises a bottom plate, an angular positioning assembly and a pair of clamping assemblies distributed in parallel; the angular positioning assembly and the clamping assembly are fixedly arranged on the bottom plate, one clamping assembly is used for clamping one end of the crankshaft, and the other clamping assembly is used for clamping the other end of the crankshaft; the clamping assembly comprises a V-shaped support, a pressing block and a first hydraulic cylinder fixed on the V-shaped support; the V-shaped support comprises a V-shaped groove, the pressing block is arranged above the V-shaped groove, and the end part of the crankshaft is clamped between the V-shaped groove and the pressing block; the central line of the V-shaped groove is distributed in parallel with the bottom plate; the first hydraulic cylinder is used for driving the compression block to be close to and far away from the V-shaped groove; the angular positioning assembly comprises a clamping assembly and a second hydraulic cylinder for driving the clamping assembly to move along a first direction, and the first direction is parallel to the center line of the V-shaped groove; the clamping assembly comprises a pair of clamping rods parallel to the first direction, the pair of clamping rods are used for clamping a connecting rod neck of the crankshaft, the distance between the pair of clamping rods is L, the diameter of the connecting rod neck is D, and L is equal to D; the distance between the midpoint between the pair of clamping rods and the bottom plate is L1, the distance between the central axis of the main journal of the crankshaft and the bottom plate is L2, and L1 is L2.
Further, the first hydraulic cylinder comprises a first cylinder body and a first telescopic rod, and the first telescopic rod is distributed in parallel with the center line of the V-shaped groove; one end of the pressing block is hinged to the first telescopic rod, the other end of the pressing block is arranged above the V-shaped groove, and the pressing block between the first telescopic rod and the V-shaped groove is hinged to the V-shaped support.
Furthermore, one end of the first cylinder body, which is close to the first telescopic rod, is fixedly connected with a vertical rod, and the vertical rod and the first telescopic rod are distributed in parallel; the montant both sides respectively articulate there is a curb plate, and the one end that the montant was kept away from to the curb plate is articulated with the compact heap, and a curb plate articulates in compact heap one side, and another curb plate articulates in the compact heap opposite side.
Furthermore, the compressing block comprises a hinge section, a connecting section and a compressing section which are sequentially arranged, and the hinge section and the compressing section are distributed in parallel; the first telescopic link articulates the one end that the linkage segment was kept away from to articulated section, and the curb plate is articulated with the one end that articulated section is close to the linkage segment.
Furthermore, the pressing section is far away from one end of the connecting section and is fixedly connected with a pressing head, and the pressing head is fixed on one side, close to the V-shaped groove, of the pressing block.
Furthermore, the bottom plate is provided with a pair of first T-shaped grooves which are distributed in parallel, and the first T-shaped grooves are distributed in parallel with the central axis direction of the crankshaft; the V-shaped support comprises a first connecting plate, a pair of first connecting holes are formed in the first connecting plate, and each first connecting hole is located above one first T-shaped groove.
Furthermore, the angular positioning assembly also comprises an angular positioning seat, the angular positioning seat is provided with a linear guide rail, and the second hydraulic cylinder is connected with the linear guide rail in a sliding manner; the linear guide rail is vertically distributed with the bottom plate.
Furthermore, the bottom plate is further provided with a second T-shaped groove parallel to the first T-shaped groove, a second connecting plate is fixedly arranged on one side, close to the bottom plate, of the angular positioning seat, a pair of second connecting holes are formed in the second connecting plate, and the pair of second connecting holes are located above the second T-shaped groove.
Furthermore, the clamping assembly also comprises an angular positioning block, and the pair of clamping rods are vertically fixed on the angular positioning block; the second hydraulic cylinder comprises a second cylinder body and a second telescopic rod, and the second telescopic rod is fixed on one side of the angular positioning block, which is far away from the clamping rod; and a third T-shaped groove is formed in the angular positioning block, a threaded hole is formed in one end, close to the angular positioning block, of the clamping rod, and the threaded hole is located above the third T-shaped groove.
Furthermore, one end, far away from the angular positioning block, of each clamping rod is provided with a chamfering part, and the chamfering part is arranged on one side, close to the other clamping rod, of one clamping rod.
The utility model has the advantages that:
(1) the clamp of the utility model fixes the crankshaft on the bottom plate, fixes the bottom plate on the numerical control turntable of the four-axis machining center, sets and adjusts the angle of the bottom plate through the machining center, can realize the machining of the inclined oil hole with multiple times and any angle through one-time clamping, and has fast machining speed and high machining efficiency;
(2) the center line of the V-shaped groove of the clamp is parallel to the bottom plate, and when the clamp is installed, only the crankshaft needs to be horizontally installed on the pair of V-shaped grooves, the oblique installation is not needed, and the time and labor consumed during the installation are greatly reduced;
(3) the clamp of the utility model is driven by the hydraulic cylinder in the processes of clamping and positioning the crankshaft, and has high clamping speed and stable clamping;
(4) the utility model discloses an anchor clamps, through realizing the axial positioning of bent axle with certain step face and the butt of V type positioning seat of bent axle tip, through realizing the angular positioning of bent axle with the clamping rod clamp on the connecting rod neck of bent axle, positioning accuracy is high and positioning speed is fast;
(5) the utility model discloses an anchor clamps can be applicable to the bent axle of multiple specification, and the range of application is wide.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a view angle of the crankshaft oblique oil hole drilling fixture applied to a four-axis machining center of the present invention;
fig. 2 is a schematic structural view of another view angle of the crankshaft oblique oil hole drilling fixture applied to the four-axis machining center of the present invention;
fig. 3 is a schematic structural diagram of a third viewing angle of the crankshaft oblique oil hole drilling fixture applied to the four-axis machining center of the present invention;
fig. 4 is a schematic structural view of the clamping assembly of the present invention;
FIG. 5 is a schematic view of the angular positioning assembly of the present invention;
FIG. 6 is a schematic view of the angular positioning assembly of the present invention from another perspective;
fig. 7 is a schematic structural view of the clamping assembly of the present invention;
fig. 8 is a schematic positioning diagram of the angular positioning assembly of the present invention.
Icon:
10-crankshaft, 11-main journal, 12-connecting rod journal, 20-bottom plate, 21-first T-shaped groove, 22-second T-shaped groove, 31-V-shaped support, 311-first connecting plate, 312-first connecting hole, 313-V-shaped groove, 32-first hydraulic cylinder, 324-side plate, 33-pressing block, 331-hinging section, 332-connecting section, 333-pressing section, 334-pressing head, 41-angular positioning seat, 411-second connecting plate, 412-linear guide rail, 42-second hydraulic cylinder, 421-sliding block, 43-clamping component, 431-angular positioning block, 432-clamping rod, 433-chamfering part and 434-third T-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The invention will be further described with reference to the accompanying drawings, as shown in figures 1-8: the embodiment provides a crankshaft inclined oil hole drilling clamp applied to a four-axis machining center, which comprises a bottom plate 20, an angular positioning assembly and a pair of clamping assemblies distributed in parallel; the angular positioning assembly and the clamping assembly are fixedly arranged on the bottom plate 20, one clamping assembly is used for clamping one end of the crankshaft 10, and the other clamping assembly is used for clamping the other end of the crankshaft 10; the clamping assembly comprises a V-shaped support 31, a pressing block 33 and a first hydraulic cylinder 32 fixed on the V-shaped support 31; the V-shaped support 31 comprises a V-shaped groove 313, the pressing block 33 is arranged above the V-shaped groove 313, and the end part of the crankshaft 10 is clamped between the V-shaped groove 313 and the pressing block 33; the central line of the V-shaped groove 313 is distributed in parallel with the bottom plate 20; the first hydraulic cylinder 32 is used for driving the pressing block 33 to approach and separate from the V-shaped groove 313; the angular positioning assembly comprises a clamping assembly 43 and a second hydraulic cylinder 42 for driving the clamping assembly 43 to move along a first direction, wherein the first direction is parallel to the center line of the V-shaped groove 313; the clamping assembly 43 includes a pair of clamping rods 432 parallel to the first direction, the pair of clamping rods 432 is used for clamping the connecting rod neck 12 of the crankshaft 10, a distance between the pair of clamping rods 432 is L, a diameter of the connecting rod neck 12 is D, and L is equal to D; a distance between a midpoint between the pair of clamping bars 432 and the bottom plate 20 is L1, a distance between a central axis of the main journal 11 of the crankshaft 10 and the bottom plate 20 is L2, and L1 is L2.
When the clamp is used, the clamp is arranged on a rotary table of a four-axis machining center, the angle of the whole clamp body is adjusted by adjusting the rotary table, and then the angle of the crankshaft 10 relative to a cutter is adjusted, when the clamp is installed, only two ends of the crankshaft 10 need to be horizontally placed in a pair of V-shaped grooves 313, installation at a certain angle is not needed, and the installation process is convenient, rapid and labor-saving; in addition, when the crankshaft 10 of the present embodiment is installed, the stepped surface of the large end of the crankshaft 10 abuts against the V-shaped seat, so that the axial positioning of the crankshaft 10 is realized, and the positioning is simple and the precision is high; after the crankshaft 10 of this embodiment is installed, the crankshaft 10 presents the position relationship that the first connecting rod neck and the fourth connecting rod neck are above the main journal 11 and the position relationship that the third connecting rod neck and the fourth connecting rod neck are below the main journal 11 under the action of gravity, and then the angular position of the crankshaft 10 is further adjusted and positioned by the angular positioning assembly, as shown in fig. 8, only one pair of clamping rods 432 needs to be driven to move along the first direction (F1), and the pair of clamping rods 432 clamps the second connecting rod neck 12, so that the central axis of the second connecting rod neck 12 and the central axis of the main journal 11 are on the same vertical plane, thereby ensuring the angular position determination of the crankshaft 10, the movement of the clamping rods 432 is driven by the second hydraulic cylinder 42, the driving speed is high, the position of the clamping rods 432 and the distance between the pair of clamping rods 432 are set in advance, when positioning is needed, only the second hydraulic cylinder 42 needs to be started, the positioning is convenient, fast and accurate; in the present embodiment, the two ends of the crankshaft 10 are clamped by the first hydraulic cylinder 32 driving the clamping blocks 33, so that the clamping speed is high and the clamping is stable.
In this embodiment, the first hydraulic cylinder 32 includes a first cylinder body and a first telescopic rod, and the first telescopic rod is distributed in parallel with the center line of the V-shaped groove 313; one end of the pressing block 33 is hinged to the first telescopic rod, the other end of the pressing block 33 is arranged above the V-shaped groove 313, and the pressing block 33 located between the first telescopic rod and the V-shaped groove 313 is hinged to the V-shaped support 31. When the crankshaft 10 is clamped, the first telescopic rod is driven to extend, and one end, far away from the first telescopic rod, of the pressing block 33 hinged with the first telescopic rod moves towards the direction close to the V-shaped groove 313, so that the crankshaft 10 is pressed; when the crankshaft 10 is loosened, the first telescopic rod is driven to contract, and one end, far away from the telescopic rod, of the pressing block 33 hinged with the first telescopic rod moves towards the direction far away from the V-shaped groove 313, so that the end part of the crankshaft 10 is loosened.
In this embodiment, one end of the first cylinder body, which is close to the first telescopic rod, is fixedly connected with a vertical rod, and the vertical rod and the first telescopic rod are distributed in parallel; the two sides of the vertical rod are respectively hinged with a side plate 324, one end, away from the vertical rod, of each side plate 324 is hinged with the pressing block 33, one side plate 324 is hinged on one side of the pressing block 33, and the other side plate 324 is hinged on the other side of the pressing block 33. The vertical rod and the side plate 324 realize the hinge joint of the pressing block 33 and the V-shaped support 31.
In this embodiment, the compressing block 33 includes a hinge section 331, a connecting section 332, and a compressing section 333, which are sequentially disposed, where the hinge section 331 and the compressing section 333 are distributed in parallel; the first telescopic rod is hinged to one end of the hinged section 331 far away from the connecting section 332, and the side plate 324 is hinged to one end of the hinged section 331 near to the connecting section 332. Through setting up the connecting segment 332 of buckling for whole clamping assembly's overall arrangement is more reasonable.
In this embodiment, a pressing head 334 is fixedly connected to one end of the pressing section 333 away from the connecting section 332, and the pressing head 334 is fixed to one side of the pressing block 33 close to the V-shaped groove 313. The ram 334 is made of wear-resistant material such as tin bronze and brass, so as to avoid damage to the crankshaft 10.
In this embodiment, the side of the clamping rod 432 that contacts the pin 12 is also provided with a wear resistant layer, which is also made of tin bronze or brass.
In this embodiment, the bottom plate 20 is provided with a pair of first T-shaped grooves 21 distributed in parallel, and the first T-shaped grooves 21 are distributed in parallel with the central axis direction of the crankshaft 10; the V-shaped support 31 includes a first connecting plate 311, the first connecting plate 311 has a pair of first connecting holes 312, and a first connecting hole 312 is located above a first T-shaped slot 21. The V-shaped supports 31 can slide along the bottom plate 20 through the arrangement of the first T-shaped grooves 21, so that the distance between the pair of V-shaped supports 31 can be adjusted, and the V-shaped supports 31 can be suitable for crankshafts 10 with different specifications.
In this embodiment, the angular positioning assembly further includes an angular positioning seat 41, the angular positioning seat 41 is provided with a linear guide rail 412, the bottom of the second cylinder body is fixedly connected with a sliding block 421, and the sliding block 421 is slidably connected with the linear guide rail 412; the linear guide 412 is vertically distributed with respect to the base plate 20. Through the sliding of the slider 421 along the linear guide 412, the distance between the second hydraulic cylinder 42 and the bottom plate 20 can be adjusted, that is, the distance L1 between the central axis of the telescopic rod of the second hydraulic cylinder 42 and the bottom plate 20 can be adjusted, so that the angular positioning assembly can be applied to crankshafts 10 of different specifications. A fixing component for fixedly connecting the sliding block 421 and the linear guide 412 is further disposed between the sliding block 421 and the linear guide 412 in this embodiment, and the fixing component may be a T-shaped groove and a nut dedicated to the T-shaped groove.
In this embodiment, the bottom plate 20 is further provided with a second T-shaped groove 22 parallel to the first T-shaped groove 21, a second connecting plate 411 is fixedly disposed on one side of the angular positioning seat 41 close to the bottom plate 20, the second connecting plate 411 is provided with a pair of second connecting holes, and the pair of second connecting holes are located above the second T-shaped groove 22. The relative position of the angular positioning seat 41 on the bottom plate 20 can be adjusted through the second T-shaped groove 22, so that the angular positioning seat 41 can be suitable for crankshafts 10 of different specifications.
In this embodiment, the clamping assembly 43 further includes an angular positioning block 431, and a pair of clamping rods 432 are fixed to the angular positioning block 431; the second hydraulic cylinder 42 comprises a second cylinder body and a second telescopic rod, and the second telescopic rod is fixed on one side of the angular positioning block 431 away from the clamping rod 432; the angular positioning block 431 is provided with a third T-shaped groove 434, one end of the clamping rod 432 close to the angular positioning block 431 is provided with a threaded hole, and the threaded hole is located above the third T-shaped groove 434. The second telescopic link is fixed in the center of angular positioning piece 431, and the angular positioning piece 431 still is provided with the scale mark on the side surface of keeping away from the second telescopic link, when the distance between a pair of clamping rod 432 needs to be adjusted, with a pair of clamping rod 432 for its center remove certain distance respectively can, through the setting of third T type groove 434, the relative distance between a pair of clamping rod 432 of adjustment that can be convenient for this pair of clamping rod 432 can be applicable to the bent axle 10 connecting rod neck 12 of different diameters.
In this embodiment, the end of the clamping rod 432 away from the angular positioning block 431 is provided with a chamfer portion 433, and the chamfer portion 433 is disposed on one side of one clamping rod 432 close to the other clamping rod 432. The chamfered portion 433 is provided so that the clamping bar 432 can smoothly sandwich the barrel 12 between the pair of clamping bars 432 when the clamping bar 432 approaches the barrel 12.
The clamp of the embodiment comprises the following steps:
the first step is as follows: according to the specification of the crankshaft 10 to be processed, the distance between the pair of V-shaped supports 31 is adjusted, the distance L1 from the central axis of the second telescopic rod to the bottom plate 20 is adjusted to be equal to L2, and the distance L between the pair of clamping rods 432 is adjusted to be equal to the diameter D of the connecting rod neck 12 of the crankshaft 10 to be processed;
the second step is that: the bottom plate 20 is fixedly arranged on a four-axis turntable of a machining center, the bottom plate 20 is parallel to the turntable, a machining cutter is positioned above the bottom plate 20 and is parallel to the bottom plate 20, and the V-shaped grooves 313 of a pair of clamping components on the bottom plate 20 are positioned on the same horizontal plane;
the third step: an operator places two ends of the crankshaft 10 on the pair of V-shaped grooves 313 respectively, and abuts a certain step surface of the large end of the crankshaft 10 against the V-shaped support 31 to position the crankshaft 10 in the axial direction; at this time, the distance between the central axis of the main journal 11 of the crankshaft 10 and the bottom plate 20 is L2, and the linear distance between the center of the connecting line of the pair of clamping rods 432 and the bottom plate 20 is L1;
the fourth step: the second hydraulic cylinder 42 is started, the pair of clamping rods 432 is driven to move in the direction close to the connecting rod neck 12 of the crankshaft 10 along the first direction (F1), the distance between the central axis of the second telescopic rod and the bottom plate 20 is L1, the pair of clamping rods 432 is just clamped at the outer side of the second connecting rod neck 12, and as the distance L between the pair of clamping rods 432 and the diameter D of the connecting rod neck 12 are equal, and L1 is equal to L2, when the clamping rods 432 clamp the connecting rod neck 12, the central axis of the connecting rod neck 12 at the moment and the central axis of the main shaft neck 11 can be ensured to be in the same vertical plane, and the vertical plane is parallel to the bottom plate 20, so that the angular positioning of the crankshaft 10 is completed;
the fifth step: the first hydraulic cylinder 32 is started to clamp the two end parts of the crankshaft 10, the clamping process is realized through the hydraulic cylinders, and the clamping speed is high and the clamping is stable;
and a sixth step: the second hydraulic cylinder 42 is started to withdraw the pair of clamping rods 432, so that the machining of the inclined oil holes is not influenced;
the seventh step: and setting a program of the four-axis machining center, adjusting the angle of the clamp to a proper position, and drilling.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a be applied to oblique oilhole anchor clamps of bent axle brill of four-axis machining center which characterized in that: the device comprises a bottom plate, an angular positioning assembly and a pair of clamping assemblies which are distributed in parallel; the angular positioning assembly and the clamping assembly are fixedly arranged on the bottom plate, one clamping assembly is used for clamping one end of the crankshaft, and the other clamping assembly is used for clamping the other end of the crankshaft;
the clamping assembly comprises a V-shaped support, a pressing block and a first hydraulic cylinder fixed on the V-shaped support; the V-shaped support comprises a V-shaped groove, the pressing block is arranged above the V-shaped groove, and the end part of the crankshaft is clamped between the V-shaped groove and the pressing block; the center line of the V-shaped groove is distributed in parallel with the bottom plate; the first hydraulic cylinder is used for driving the pressing block to be close to and far away from the V-shaped groove;
the angular positioning assembly comprises a clamping assembly and a second hydraulic cylinder for driving the clamping assembly to move along a first direction, and the first direction is parallel to the center line of the V-shaped groove; the clamping assembly comprises a pair of clamping rods parallel to the first direction, the pair of clamping rods are used for clamping a connecting rod neck of the crankshaft, the distance between the pair of clamping rods is L, the diameter of the connecting rod neck is D, and L is equal to D; a distance between a midpoint between the pair of clamping bars and the bottom plate is L1, a distance between a central axis of the main journal of the crankshaft and the bottom plate is L2, and L1 is L2.
2. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 1, is characterized in that: the first hydraulic cylinder comprises a first cylinder body and a first telescopic rod, and the first telescopic rod is distributed in parallel with the center line of the V-shaped groove; one end of the pressing block is hinged to the first telescopic rod, the other end of the pressing block is arranged above the V-shaped groove, and the pressing block between the first telescopic rod and the V-shaped groove is hinged to the V-shaped support.
3. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 2, is characterized in that: one end of the first cylinder body, which is close to the first telescopic rod, is fixedly connected with a vertical rod, and the vertical rod and the first telescopic rod are distributed in parallel; the two sides of the vertical rod are respectively hinged with a side plate, one end, far away from the vertical rod, of each side plate is hinged with the pressing block, one side plate is hinged to one side of the pressing block, and the other side plate is hinged to the other side of the pressing block.
4. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 3, is characterized in that: the compression block comprises a hinge section, a connecting section and a compression section which are sequentially arranged, and the hinge section and the compression section are distributed in parallel; the first telescopic rod is hinged to one end, far away from the connecting section, of the hinged section, and the side plate is hinged to one end, close to the connecting section, of the hinged section.
5. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 4, is characterized in that: one end of the pressing section, which is far away from the connecting section, is fixedly connected with a pressure head, and the pressure head is fixed on one side, close to the V-shaped groove, of the pressing block.
6. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 1, is characterized in that: the bottom plate is provided with a pair of first T-shaped grooves which are distributed in parallel, and the first T-shaped grooves are distributed in parallel with the central axis direction of the crankshaft; the V-shaped support comprises a first connecting plate, a pair of first connecting holes are formed in the first connecting plate, and one first connecting hole is located above the first T-shaped groove.
7. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 6, is characterized in that: the angular positioning assembly further comprises an angular positioning seat, the angular positioning seat is provided with a linear guide rail, and the second hydraulic cylinder is connected with the linear guide rail in a sliding manner; the linear guide rail is vertically distributed with the bottom plate.
8. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 7, is characterized in that: the bottom plate still is provided with and is on a parallel with the second T type groove in first T type groove, the angular orientation positioning seat is close to one side of bottom plate is fixed and is provided with the second connecting plate, a pair of second connecting hole has been seted up to the second connecting plate, and is a pair of the second connecting hole all is located second T type groove top.
9. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 8, is characterized in that: the clamping assembly further comprises an angular positioning block, and the pair of clamping rods are vertically fixed on the angular positioning block; the second hydraulic cylinder comprises a second cylinder body and a second telescopic rod, and the second telescopic rod is fixed on one side, away from the clamping rod, of the angular positioning block;
and a third T-shaped groove is formed in the angular positioning block, a threaded hole is formed in one end, close to the angular positioning block, of the clamping rod, and the threaded hole is located above the third T-shaped groove.
10. The crankshaft inclined oil hole drilling clamp applied to the four-axis machining center according to claim 9, is characterized in that: one end, far away from the angular positioning block, of each clamping rod is provided with a chamfering part, and the chamfering part is arranged on one side, close to the other clamping rod, of each clamping rod.
CN201920831156.2U 2019-06-03 2019-06-03 Be applied to oblique oilhole anchor clamps of bent axle brill of four-axis machining center Active CN210451800U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181293A (en) * 2019-06-03 2019-08-30 成都迈动汽车零配件有限公司 A kind of crankshaft drilling inclined oil hole of air fixture applied to Four-axis milling center

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181293A (en) * 2019-06-03 2019-08-30 成都迈动汽车零配件有限公司 A kind of crankshaft drilling inclined oil hole of air fixture applied to Four-axis milling center

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