CN112692765A - Multi-process machining clamp for truck rear axle housing and clamping use method - Google Patents
Multi-process machining clamp for truck rear axle housing and clamping use method Download PDFInfo
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- CN112692765A CN112692765A CN202110068991.7A CN202110068991A CN112692765A CN 112692765 A CN112692765 A CN 112692765A CN 202110068991 A CN202110068991 A CN 202110068991A CN 112692765 A CN112692765 A CN 112692765A
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- fixed
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- rods
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
Abstract
The invention discloses a multi-process machining clamp for a rear axle housing of a truck and a clamping use method, wherein the multi-process machining clamp comprises a bottom frame, a lifting control unit, a transverse control unit, a rotation control unit, a turnover control unit and a clamping unit; the bottom frame is provided with a transverse control unit through a lifting control unit, the inner side of the transverse control unit is provided with a rotary control unit, the inner side of the rotary control unit is provided with an overturning control unit, and the overturning control unit is provided with two clamping units; the lifting control unit comprises a longitudinal beam, a sliding sleeve, a sliding rod, a threaded sleeve, a screw rod, a connecting column, a rotating ring, a torsion bar and a horizontal bearing, wherein the vertical sliding rods are respectively fixed at three corners of the bottom frame. Can carry out quick fixed to the both ends of rear-axle housing to adopt the pneumatic cylinder to be power, fixed centre gripping is convenient quick, and the angle modulation of rear-axle housing after the centre gripping is convenient, can satisfy the demand that the position of multiple operation processing changed.
Description
Technical Field
The invention relates to the technical field of machining tools for truck rear axle housings, in particular to a multi-process machining clamp for truck rear axle housings and a clamping use method.
Background
The rear-axle housing of truck is because the size is great to the long and thin middle part in both ends is thick, so fix inconveniently in the course of working, and generally adopt the mode that both ends are fixed in the production process now, and this kind of mode is fixed convenient, but the change of fixed back angle is restricted greatly, causes the obstacle to the multiple operation processing of rear-axle housing.
Disclosure of Invention
The invention aims to overcome the existing defects, provides a multi-process machining clamp for a truck rear axle housing and a clamping use method, can quickly fix two ends of the rear axle housing, adopts a hydraulic cylinder as power, is convenient and quick to fix and clamp, is convenient to adjust the angle of the clamped rear axle housing, can meet the requirement of direction change of multi-process machining, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the multi-process machining clamp for the rear axle housing of the truck comprises a bottom frame, a lifting control unit, a transverse control unit, a rotation control unit, a turnover control unit and a clamping unit;
the bottom frame is provided with a transverse control unit through a lifting control unit, the inner side of the transverse control unit is provided with a rotary control unit, the inner side of the rotary control unit is provided with an overturning control unit, and the overturning control unit is provided with two clamping units;
the lifting control unit comprises longitudinal beams, sliding sleeves, sliding rods, screw hole sleeves, screws, connecting columns, rotary rings, torsion bars and horizontal bearings, wherein the vertical sliding rods are fixed at three corners of the bottom frame respectively, the last corner of the bottom frame is connected with the vertical screws in a rotating mode through the horizontal bearings, the number of the longitudinal beams is two, the sliding sleeves are arranged at the front end and the rear end of one longitudinal beam respectively, the sliding sleeves at the front end and the rear end of the longitudinal beam are connected with the two sliding rods distributed in the front and the rear direction in a sliding mode, the front end and the rear end of the other longitudinal beam are connected with the sliding sleeves and the screw hole sleeves respectively, the sliding sleeves are connected with the corresponding sliding rods in a sliding mode, the screw hole sleeves are in threaded connection with the screws, the connecting columns are connected to the tops of the screws, the.
The lifting control unit can control the height of the clamping unit so as to change the clamped rear axle housing, the transverse control unit can change the transverse position of the clamping unit, the rotary control unit can adjust the horizontal angle of the clamping unit, and the turnover control unit can adjust the vertical angle of the clamping unit, so that the processing requirements of multiple processes can be met;
the connecting column can be twisted by using the torsion bar, so that the screw rod can be twisted to rotate, the rotating ring can improve the structural strength of the torsion bar, the screw rod can drive the screw hole sleeve to move when rotating, and the screw hole sleeve can move up and down under the action of the sliding sleeve and the sliding hole of the sliding rod, so that the height of the clamping unit is changed.
Furthermore, the transverse control unit comprises a transverse control motor, a nut, a screw rod, a sliding ring and a guide rod, one ends of the two longitudinal beams are fixedly connected through the guide rod, the other ends of the two longitudinal beams are rotatably connected with the screw rod, the screw rod is parallel to the guide rod, one end of the screw rod is fixedly connected with an output shaft of the transverse control motor, the transverse control motor is fixed on the outer side of the end portion of each longitudinal beam, the guide rod is connected with the sliding ring in a sliding mode, and the screw rod is connected with the nut in a threaded mode.
The transverse control motor can drive the screw rod to rotate, and the rotary control unit can transversely move due to the threaded action of the nut and the screw rod and the sliding action of the sliding ring and the guide rod, so that the transverse position of the clamping unit is changed.
Furthermore, the rotation control unit comprises an outer ring, a rotary bearing, an inner ring, an outer gear ring, a motor fixing ring, a rotation control motor and a control gear, wherein the front end and the rear end of the outer ring are respectively fixedly connected with a sliding ring and a nut, an inner ring groove of the outer ring is rotatably connected with the inner ring through the rotary bearing, the bottom of the inner ring is fixedly provided with the outer gear ring, the outer side of the outer ring is fixedly provided with the rotation control motor through the motor fixing ring, a bottom output shaft of the rotation control motor is connected with the control gear, and the control gear is meshed with the outer gear ring.
The rotary control motor works to drive the control gear to rotate so as to drive the outer gear ring to rotate, and the outer ring is rotationally connected with the inner ring and cannot rotate, so that the inner ring can be driven to rotate, and the horizontal angle of the clamping unit can be changed.
Further, the upset control unit includes returning face plate, pivot, upset bearing, fixed gear, driving gear, upset control motor and installation cavity, the both ends of returning face plate are circular-arcly, and the inside installation cavity of having seted up in both ends of returning face plate, the inboard symmetry of inner ring is fixed with two pivots, the both ends of returning face plate correspond the pivot and rotate through the middle part of upset bearing and pivot and be connected, the tip of pivot extends to in the installation cavity and connects fixed gear, the installation cavity internal fixation has the upset control motor, the output shaft of upset control motor has the driving gear, the driving gear is connected with the fixed gear meshing.
The turnover control motor works to drive the driving gear to rotate, and the fixed gear is fixedly connected with the inner side of the inner ring through the rotating shaft, so that the turnover plate can be controlled to turn over relative to the inner ring, and the vertical angle of the clamping unit is controlled.
Further, the centre gripping unit includes installing frame, activity post, lifter, movable rod, lift connecting axle, L shape pole, clamp splice, pneumatic cylinder and fixed knee, the square groove has been seted up respectively at the both ends of returning face plate, the position that the bottom of returning face plate corresponds the square groove is fixed with the installing frame through fixed knee, the inboard of installing frame is fixed with the pneumatic cylinder, the flexible end in top of pneumatic cylinder passes the top of installing frame and is connected with the lifter, the bottom of swing joint movable rod is distinguished to the top both sides of installing frame, the one end of two L shape poles of two swing joint respectively on the top of two movable rods, and the other end of two L shape poles stretches out and relative one side is fixed with the clamp splice from the square groove top, the both ends of lifter and the swing joint of department of bending of two L shape poles.
The pneumatic cylinder extends under the control of external hydraulic system, and the top that promotes L shape pole through the lifter opens to make the clamp splice keep away from each other, can loosen rear-axle housing, and the pneumatic cylinder shortens under the control of external hydraulic system, then the top of two L shape poles is close to, thereby drives two clamp splices and accomplishes that the centre gripping of rear-axle housing is fixed.
Further, the centre gripping unit includes pneumatic cylinder, U-shaped frame, fixed fixture block, end plate, leads to groove, mounting panel, gear shaft, centre gripping gear, double-sided rack and supporting rod, the square groove has been seted up respectively at the both ends of returning face plate, the position that the bottom of returning face plate corresponds the square groove is fixed with the mounting panel, the bottom of mounting panel is connected with the U-shaped frame through the end plate, logical groove has been seted up at the middle part of end plate, the inside of U-shaped frame is fixed with the pneumatic cylinder, the flexible end of pneumatic cylinder passes logical groove and is connected with double-sided rack, the front side both ends of mounting panel rotate through the gear shaft respectively and connect the centre gripping gear, and two centre gripping gears are connected with the both sides meshing of double-sided rack, and the fixed fixture block that corresponds is connected through.
The pneumatic cylinder extends under the control of external hydraulic system to promote two-sided rack to shift up, owing to with the meshing of centre gripping gear, thereby drive two supporting rods and open, make two fixed fixture blocks keep away from, and when the pneumatic cylinder shortened under the control of external hydraulic system, can pull down two-sided rack, thereby drive two supporting rods and be close to, thereby make two fixed fixture blocks be close to, realize the centre gripping of two fixed fixture blocks to the rear-axle housing both ends.
Furthermore, the clamping unit comprises a hydraulic cylinder, a fixed plate, a sector gear shaft, a cylinder, a vertical rod, a slide rail fixed rod, a slide rail, a slide rod, a hinged support and an arc-shaped clamping rod, the two ends of the turnover plate are respectively provided with a square groove, the bottom of the turnover plate is fixed with a fixed plate corresponding to the square groove, two ends of the side surface of the fixed plate are respectively rotatably connected with the cylinders through sector gear shafts, the side surfaces of the two cylinders are provided with corresponding sector gears, the two sector gears are meshed and connected, vertical rods are fixed on the upper side of the cylinder, the end parts of the two vertical rods penetrate through the square groove and are movably connected with the two sliding rods through hinged supports, the two sides of the fixed plate are fixed with two slide rails through slide rail fixing rods, the slide bars are connected with the slide rails in a sliding mode, two matched arc-shaped clamping rods are fixed at one ends, close to the two slide bars, of the two slide bars, and the side faces of the middle portions of the two vertical bars are movably connected with the two ends of the hydraulic cylinder respectively.
The pneumatic cylinder extends under the effect of outside hydraulic system to make two montants open, use two meshed sector gear can improve the dynamics of power transmission, two slide bars slide on the slide rail this moment and keep away from each other, and the pneumatic cylinder shortens under the effect of outside hydraulic system, can make two slide bars be close to each other, can make two arc clamping bars grasp the both ends of rear-axle housing, because sector gear's effect can improve the centre gripping dynamics.
Further, still include spacing unit, spacing unit includes ratchet, pawl, fixed block, torsional spring, keeps off ring and erection column, the fixed cover in bottom of screw rod has connect the ratchet, be fixed with the erection column that is close to the ratchet on the underframe, the middle part of erection column is fixed with keeps off the ring, the pawl has been cup jointed at the top of erection column, the top of erection column is fixed with the fixed block, and has cup jointed the torsional spring on the erection column, fixed block and pawl are connected respectively at the both ends of torsional spring, pawl and ratchet joint under the torsion effect of torsional spring.
When the ratchet wheel rotates, the pawl always limits the reverse rotation of the ratchet wheel under the action of the torsion spring, so that the reverse rotation of the screw rod is avoided, and the falling back of the clamping unit due to the reverse rotation of the screw rod is avoided.
Further, still include fixed unit, fixed unit includes triangle fixed block, connecting block and connecting hole, the front and back side of underframe is fixed with the connecting block through the triangle fixed block respectively, the connecting hole has been seted up respectively to the both ends of connecting block. The triangular fixing blocks are used for reinforcing and connecting the connecting blocks, and the connecting bolts are installed in the connecting holes to fix the bottom frame.
The clamping use method of the multi-process machining clamp for the rear axle housing of the truck comprises the following steps:
the method comprises the following steps: clamping the elongated portions of both ends of the rear axle housing using the clamping unit;
step two: controlling the height of the rear axle housing by using a lifting control unit, and controlling the rear axle housing to move in the transverse direction by using a transverse control unit;
step three: the rear axle housing can be rotated by the rotation control unit to adjust different angles, and the rear axle housing can be overturned by different angles by the overturning control unit, so that the requirements of multiple processes are met;
step four: resetting the transverse control unit, the rotation control unit and the turnover control unit after the machining is finished;
step five: and loosening the machined rear axle housing by using the clamping unit.
Compared with the prior art, the invention has the beneficial effects that: the multi-process machining clamp for the truck rear axle housing and the clamping use method have the following advantages:
1. the height of clamping unit can be controlled to the lift control unit to change the rear-axle housing of centre gripping, the horizontal position of clamping unit can be changed to the horizontal control unit, and the horizontal angle that the rotation control unit can be to clamping unit adjusts, and the vertical angle that the upset control unit can be to clamping unit adjusts, can satisfy the processing demand of multiple operation.
2. The ratchet is when rotating, because the effect pawl of torsional spring restricts the reversal of ratchet all the time to avoid the reversal of screw rod, thereby avoid the high fall back because the reversal of screw rod of centre gripping unit, use triangle fixed block reinforcement connection connecting block, thereby the realization is fixed the underframe in the connecting hole erection joint bolt.
3. Can carry out quick fixed to the both ends of rear-axle housing to adopt the pneumatic cylinder to be power, fixed centre gripping is convenient quick, and the angle modulation of rear-axle housing after the centre gripping is convenient, can satisfy the demand that the position of multiple operation processing changed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic bottom view of the present invention;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4 at C according to the present invention;
FIG. 6 is a schematic side view of the present invention;
FIG. 7 is a schematic structural diagram of a roll-over control unit according to the present invention;
FIG. 8 is a schematic structural diagram of a rotation control unit according to the present invention;
FIG. 9 is a schematic structural diagram of a second embodiment of a clamping unit according to the present invention;
FIG. 10 is a schematic view of a third structure of the clamping unit according to the embodiment of the present invention.
In the figure: 1 bottom frame, 2 lifting control unit, 21 longitudinal beam, 22 sliding sleeve, 23 sliding rod, 24 screw hole sleeve, 25 screw rod, 26 connecting column, 27 swivel, 28 torsion bar, 29 horizontal bearing, 3 horizontal control unit, 31 horizontal control motor, 32 nut, 33 screw rod, 34 sliding ring, 35 guide rod, 4 rotary control unit, 41 outer ring, 42 rotary bearing, 43 inner ring, 44 outer toothed ring, 45 motor fixing ring, 46 rotary control motor, 47 control gear, 5 turnover control unit, 51 turnover plate, 52 rotating shaft, 53 turnover bearing, 54 fixed gear, 55 driving gear, 56 turnover control motor, 57 mounting cavity, 6 clamping unit, 601 mounting frame, 602 movable column, 603 lifting rod, 604 movable rod, 605 lifting connecting shaft, 606L-shaped rod, 607 clamping block, 608 hydraulic cylinder, 609 fixed bent rod, 611U-shaped frame, 612 fixed clamping block, 613 end plate, 614 through groove, 615 mounting plate, 612 fixed clamping block, 616 gear shafts, 617 clamping gears, 618 double-sided racks, 619 clamping rods, 621 fixing plates, 622 sector gears, 623 sector gear shafts, 624 cylinders, 625 vertical rods, 626 slide rail fixing rods, 627 slide rails, 628 slide rods, 629 hinged supports, 630 arc-shaped clamping rods, 7 limiting units, 71 ratchets, 72 pawls, 73 fixing blocks, 74 torsion springs, 75 baffle rings, 76 mounting columns, 8 fixing units, 81 triangular fixing blocks, 82 connecting blocks, 83 connecting holes, 9 square grooves and 10 round holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, referring to fig. 1 to 8, the present embodiment provides a technical solution: the multi-process machining clamp for the rear axle housing of the truck comprises a bottom frame 1, a lifting control unit 2, a transverse control unit 3, a rotating control unit 4, a turning control unit 5 and a clamping unit 6;
a transverse control unit 3 is installed on the bottom frame 1 through a lifting control unit 2, a rotary control unit 4 is installed on the inner side of the transverse control unit 3, an overturning control unit 5 is installed on the inner side of the rotary control unit 4, and two clamping units 6 are installed on the overturning control unit 5;
the lifting control unit 2 comprises a longitudinal beam 21, a sliding sleeve 22, a sliding rod 23, a screw hole sleeve 24, a screw rod 25, a connecting column 26, a rotating ring 27, a torsion bar 28 and a horizontal bearing 29, wherein the vertical sliding rod 23 is respectively fixed at three angles of the bottom frame 1, and the last corner of the bottom frame 1 is rotationally connected with a vertical screw 25 through a horizontal bearing 29, two longitudinal beams 21 are arranged, the front end and the rear end of one longitudinal beam 21 are respectively provided with a sliding sleeve 22, the sliding sleeves 22 at the front end and the rear end of the longitudinal beam 21 are in sliding connection with two sliding rods 23 which are distributed in the front and the rear, the front end and the rear end of the other longitudinal beam 21 are respectively connected with the sliding sleeve 22 and a screw hole sleeve 24, the sliding sleeves 22 are in sliding connection with the corresponding sliding rods 23, and the screw hole sleeve 24 is in threaded connection with the screw rod 25, the top of the screw rod 25 is connected with a connecting column 26, the side surface of the connecting column 26 is connected with a rotating ring 27 through a torsion bar 28 in an annular array, and the torsion bar 28 penetrates through the rotating ring 27 and extends to the outer side of the rotating ring 27.
The lifting control unit 2 can control the height of the clamping unit 6 so as to change the clamped rear axle housing, the transverse control unit 3 can change the transverse position of the clamping unit 6, the rotary control unit 4 can adjust the horizontal angle of the clamping unit 6, and the overturning control unit 5 can adjust the vertical angle of the clamping unit 6 so as to meet the processing requirements of multiple processes;
the connecting column 26 can be twisted by using the torsion bar 28, so that the screw 25 can be twisted to rotate, the rotary ring 27 can improve the structural strength of the torsion bar 28, the screw 25 can drive the screw hole sleeve 24 to move when rotating, and the screw hole sleeve 24 can move up and down due to the sliding hole effect of the sliding sleeve 22 and the sliding rod 23, so that the height of the clamping unit 6 can be changed.
The transverse control unit 3 comprises a transverse control motor 31, a nut 32, a screw rod 33, a sliding ring 34 and a guide rod 35, one ends of the two longitudinal beams 21 are fixedly connected through the guide rod 35, the other ends of the two longitudinal beams 21 are rotatably connected with the screw rod 33, the screw rod 33 is parallel to the guide rod 35, one end of the screw rod 33 is fixedly connected with an output shaft of the transverse control motor 31, the transverse control motor 31 is fixed on the outer side of the end part of the longitudinal beam 21, the guide rod 35 is connected with the sliding ring 34 in a sliding mode, and the screw rod 33 is connected with the nut 32 in a threaded.
The transverse control motor 31 is operated to rotate the lead screw 33, and the rotary control unit 4 is moved transversely due to the screw action of the nut 32 and the lead screw 33 and the sliding action of the slide ring 34 and the guide rod 35, thereby changing the transverse position of the grip unit 6.
The rotation control unit 4 comprises an outer ring 41, a rotation bearing 42, an inner ring 43, an outer toothed ring 44, a motor fixing ring 45, a rotation control motor 46 and a control gear 47, wherein the front end and the rear end of the outer ring 41 are respectively fixedly connected with the sliding ring 34 and the nut 32, an inner ring groove of the outer ring 41 is rotatably connected with the inner ring 43 through the rotation bearing 42, the outer toothed ring 44 is fixed at the bottom of the inner ring 43, the rotation control motor 46 is fixed at the outer side of the outer ring 41 through the motor fixing ring 45, a bottom output shaft of the rotation control motor 46 is connected with the control gear 47, and the control gear 47 is meshed with the outer toothed ring 44.
The rotation control motor 46 works to drive the control gear 47 to rotate, so as to drive the outer gear ring 44 to rotate, and since the outer ring 41 is rotatably connected with the inner ring 43 and the outer ring 41 does not rotate, the inner ring 43 can be driven to rotate, so as to change the horizontal angle of the clamping unit 6.
The turnover control unit 5 comprises a turnover plate 51, rotating shafts 52, turnover bearings 53, fixed gears 54, driving gears 55, turnover control motors 56 and installation cavities 57, the two ends of the turnover plate 51 are arc-shaped, the installation cavities 57 are formed in the two ends of the turnover plate 51, the two rotating shafts 52 are symmetrically and fixedly arranged on the inner side of the inner ring 43, the two ends of the turnover plate 51 correspond to the rotating shafts 52 and are rotatably connected with the middle parts of the rotating shafts 52 through the turnover bearings 53, the end parts of the rotating shafts 52 extend into the installation cavities 57 and are connected with the fixed gears 54, the turnover control motors 56 are fixedly arranged in the installation cavities 57, output shafts of the turnover control motors 56 are connected with the driving gears 55, and the driving gears 55 are meshed with the fixed gears 54. The middle part of the turning plate 51 is provided with a round hole 10 for correspondingly controlling the thick position of the bridge after matching.
The turnover control motor 56 works to drive the driving gear 55 to rotate, and the fixed gear 54 is fixedly connected with the inner side of the inner ring 43 through the rotating shaft 52, so that the turnover plate 51 can be controlled to turn over relative to the inner ring 43, and the vertical angle of the clamping unit 6 can be controlled.
The clamping unit 6 comprises a mounting frame 601, a movable column 602, lifting rods 603, movable rods 604, a lifting connecting shaft 605, L-shaped rods 606, clamping blocks 607, a hydraulic cylinder 608 and a fixed bent rod 609, square grooves 9 are respectively formed at two ends of the turnover plate 51, the mounting frame 601 is fixed at the position, corresponding to the square grooves 9, of the bottom of the turnover plate 51 through the fixed bent rod 609, the hydraulic cylinder 608 is fixed on the inner side of the mounting frame 601, the top telescopic end of the hydraulic cylinder 608 penetrates through the top of the mounting frame 601 and is connected with the lifting rods 603, two sides of the top of the mounting frame 601 are respectively movably connected with the bottom ends of the movable rods 604, the top ends of the two movable rods 604 are respectively movably connected with one ends of the two L-shaped rods 606, the other ends of the two L-shaped rods 606 extend out from the upper side of the square grooves 9, the clamping blocks 607 are fixed on the opposite sides, and two.
The hydraulic cylinder 608 is extended under the control of an external hydraulic system, the top ends of the L-shaped rods 606 are pushed by the lifting rod 603 to be opened, so that the clamping blocks 607 are far away from each other, the rear axle housing can be loosened, the hydraulic cylinder 608 is shortened under the control of the external hydraulic system, the top ends of the two L-shaped rods 606 are close to each other, and the two clamping blocks 607 are driven to clamp and fix the rear axle housing.
Still include spacing unit 7, spacing unit 7 includes ratchet 71, pawl 72, fixed block 73, torsional spring 74, keep off ring 75 and erection column 76, the fixed cover in bottom of screw rod 25 has connect ratchet 71, be fixed with the erection column 76 that is close to ratchet 71 on the underframe 1, the middle part of erection column 76 is fixed with keeps off ring 75, pawl 72 has been cup jointed at the top of erection column 76, the top of erection column 76 is fixed with fixed block 73, and cup jointed torsional spring 74 on the erection column 76, fixed block 73 and pawl 72 are connected respectively to the both ends of torsional spring 74, pawl 72 and ratchet 71 joint under the torsional action of torsional spring 74.
When the ratchet 71 rotates, the pawl 72 always restricts the reverse rotation of the ratchet 71 due to the action of the torsion spring 74, thereby preventing the reverse rotation of the screw 25, and thus preventing the height of the clamp unit 6 from falling back due to the reverse rotation of the screw 25.
Still include fixed unit 8, fixed unit 8 includes triangle fixed block 81, connecting block 82 and connecting hole 83, and the front and back side of underframe 1 is fixed with connecting block 82 through triangle fixed block 81 respectively, and connecting hole 83 has been seted up respectively at the both ends of connecting block 82. The triangular fixing block 81 is used for reinforcing the connecting block 82, and the connecting bolt is installed in the connecting hole 83 so as to fix the bottom frame 1.
In the second embodiment, referring to fig. 9, the present embodiment provides a technical solution: the multi-process machining clamp for the rear axle housing of the truck has the same structure as the embodiment, and is different from the clamping unit 6 in that:
the clamping unit 6 comprises a hydraulic cylinder 608, a U-shaped frame 611, a fixed clamping block 612, an end plate 613, a through groove 614, a mounting plate 615, a gear shaft 616, a clamping gear 617, a double-sided rack 618 and a clamping rod 619, square grooves 9 are respectively formed in two ends of the turnover plate 51, a mounting plate 615 is fixed at the position, corresponding to the square grooves 9, of the bottom of the turnover plate 51, the bottom of the mounting plate 615 is connected with a U-shaped frame 611 through an end plate 613, a through groove 614 is formed in the middle of the end plate 613, a hydraulic cylinder 608 is fixed inside the U-shaped frame 611, a telescopic end of the hydraulic cylinder 608 penetrates through the through groove 614 and is connected with a double-sided rack 618, two ends of the front side of the mounting plate 615 are rotatably connected with clamping gears 617 through gear shafts 616 respectively, the two clamping gears 617 are meshed with two sides of the double-sided rack 618, the side faces of the two clamping gears 617 are connected with corresponding fixed clamping blocks 612 through clamping rods 619.
The hydraulic cylinder 608 extends under the control of an external hydraulic system to push the double-sided rack 618 to move upwards, and is meshed with the clamping gear 617 to drive the two clamping rods 619 to open, so that the two fixing blocks 612 are far away, and when the hydraulic cylinder 608 is shortened under the control of the external hydraulic system, the double-sided rack 618 can be pulled downwards, so that the two clamping rods 619 are driven to be close to, so that the two fixing blocks 612 are close to each other, and the clamping of the two fixing blocks 612 on the two ends of the rear axle housing is realized.
In the third embodiment, referring to fig. 10, the present embodiment provides a technical solution: the multi-process machining clamp for the rear axle housing of the truck has the same structure as the above embodiment, and is characterized in that the clamping unit 6 is different from the following embodiments:
the clamping unit 6 comprises a hydraulic cylinder 608, a fixed plate 621, a sector gear 622, a sector gear shaft 623, a cylinder 624, a vertical rod 625, a slide rail fixing rod 626, a slide rail 627, a sliding rod 628, a hinged support 629 and an arc clamping rod 630, wherein two ends of the turnover plate 51 are respectively provided with a square groove 9, the fixed plate 621 is fixed at the bottom of the turnover plate 51 corresponding to the square groove 9, two ends of the side surface of the fixed plate 621 are respectively rotatably connected with the cylinder 624 through the sector gear shaft 623, the corresponding sector gear 622 is arranged on the side surface of the two cylinders 624, the two sector gears 622 are meshed and connected, the vertical rod 625 is fixed on the upper side of the cylinder 624, the end parts of the two vertical rods 625 penetrate through the square groove 9 and are movably connected with the two sliding rods 628 through the hinged support 629, two slide rails 627 are fixed on two sides of the fixed plate 621 through the slide rail fixing rod 626, the sliding rods 628, the middle side surfaces of the two vertical rods 625 are movably connected with the two ends of the hydraulic cylinder 608 respectively.
The hydraulic cylinder 608 is extended under the action of the external hydraulic system, so that the two vertical rods 625 are opened, the force transmitted by the force can be increased by using the two meshed sector gears 622, at the moment, the two sliding rods 628 slide on the sliding rails 627 to be away from each other, the hydraulic cylinder 608 is shortened under the action of the external hydraulic system, the two sliding rods 628 can be close to each other, the two arc-shaped clamping rods 630 can clamp two ends of the rear axle housing, and the clamping force can be increased due to the action of the sector gears 622.
The clamping use method of the multi-process machining clamp for the rear axle housing of the truck comprises the following steps:
the method comprises the following steps: clamping the elongated portions of both ends of the rear axle housing using the clamping units 6;
step two: the height of the rear axle housing is controlled by the lifting control unit 2, and the rear axle housing is controlled to move in the transverse direction by the transverse control unit 3;
step three: the rear axle housing can be rotated by the rotation control unit 4 to adjust different angles, and the rear axle housing can be turned by different angles by the turning control unit 5, so that the requirements of multiple processes are met;
step four: after the processing is finished, the transverse control unit 3, the rotation control unit 4 and the turnover control unit 5 are reset;
step five: the finished rear axle housing is released using the clamping unit 6.
It should be noted that the input terminals of the transverse control motor 31, the rotation control motor 46, and the turnover control motor 56 disclosed in the above embodiments are electrically connected to the output terminal of the external power source through the PLC controller, the hydraulic cylinder 608 is connected to the external hydraulic source through the oil path and the electromagnetic valve, and the PLC controller controls the transverse control motor 31, the rotation control motor 46, and the turnover control motor 56 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Truck rear-axle housing multiple operation adds clamping apparatus, its characterized in that: comprises a bottom frame (1), a lifting control unit (2), a transverse control unit (3), a rotation control unit (4), a turnover control unit (5) and a clamping unit (6);
a transverse control unit (3) is installed on the bottom frame (1) through a lifting control unit (2), a rotary control unit (4) is installed on the inner side of the transverse control unit (3), a turnover control unit (5) is installed on the inner side of the rotary control unit (4), and two clamping units (6) are installed on the turnover control unit (5);
the lifting control unit (2) comprises longitudinal beams (21), sliding sleeves (22), sliding rods (23), screw hole sleeves (24), screw rods (25), connecting columns (26), rotating rings (27), torsion bars (28) and horizontal bearings (29), wherein the three corners of the bottom frame (1) are respectively fixed with the vertical sliding rods (23), the last corner of the bottom frame (1) is rotatably connected with the vertical screw rods (25) through the horizontal bearings (29), the number of the longitudinal beams (21) is two, the sliding sleeves (22) are respectively arranged at the front end and the rear end of one longitudinal beam (21), the sliding sleeves (22) at the front end and the rear end of the longitudinal beam (21) are slidably connected with the two sliding rods (23) distributed in the front and rear direction, the front end and the rear end of the other longitudinal beam (21) are respectively connected with the sliding sleeves (22) and the screw hole sleeves (24), the sliding sleeves (22) are slidably connected with the corresponding sliding rods (23), and the screw hole sleeves, the top of the screw rod (25) is connected with a connecting column (26), the side surface of the connecting column (26) is connected with a rotating ring (27) through a torsion bar (28) in an annular array, and the torsion bar (28) penetrates through the rotating ring (27) and extends to the outer side of the rotating ring (27).
2. The multiple-process machining fixture for the truck rear axle housing as recited in claim 1, wherein: transverse control unit (3) include transverse control motor (31), nut (32), lead screw (33), sliding ring (34) and guide bar (35), through guide bar (35) fixed connection between the one end of two longerons (21), and rotate between the other end of two longerons (21) and be connected with lead screw (33), lead screw (33) are on a parallel with guide bar (35), the output shaft of the one end fixed connection transverse control motor (31) of lead screw (33), the tip outside at longeron (21) is fixed in transverse control motor (31), sliding connection has sliding ring (34) on guide bar (35), and threaded connection has nut (32) on lead screw (33).
3. The multiple-process machining fixture for the truck rear axle housing as claimed in claim 2, wherein: the rotary control unit (4) comprises an outer ring (41), a rotary bearing (42), an inner ring (43), an outer toothed ring (44), a motor fixing ring (45), a rotary control motor (46) and a control gear (47), wherein the front end and the rear end of the outer ring (41) are respectively fixedly connected with a sliding ring (34) and a nut (32), an inner ring groove of the outer ring (41) is rotatably connected with the inner ring (43) through the rotary bearing (42), the outer toothed ring (44) is fixed at the bottom of the inner ring (43), the rotary control motor (46) is fixed on the outer side of the outer ring (41) through the motor fixing ring (45), a bottom output shaft of the rotary control motor (46) is connected with the control gear (47), and the control gear (47) is meshed with the outer toothed ring (44).
4. The multiple-process machining fixture for truck rear axle housings as claimed in claim 3, wherein: the overturning control unit (5) comprises an overturning plate (51), a rotating shaft (52), an overturning bearing (53), a fixed gear (54), a driving gear (55), an overturning control motor (56) and a mounting cavity (57), wherein both ends of the overturning plate (51) are arc-shaped, and the inner parts of the two ends of the turnover plate (51) are provided with mounting cavities (57), the inner side of the inner ring (43) is symmetrically fixed with two rotating shafts (52), the two ends of the turning plate (51) correspond to the rotating shaft (52) and are rotationally connected with the middle part of the rotating shaft (52) through a turning bearing (53), the end of the rotating shaft (52) extends into the mounting cavity (57) and is connected with a fixed gear (54), an overturning control motor (56) is fixed in the mounting cavity (57), an output shaft of the overturning control motor (56) is connected with a driving gear (55), and the driving gear (55) is meshed with a fixed gear (54).
5. The multiple-process machining fixture for truck rear axle housings as claimed in claim 4, wherein: the clamping unit (6) comprises a mounting frame (601), a movable column (602), lifting rods (603), movable rods (604), a lifting connecting shaft (605), L-shaped rods (606), clamping blocks (607), hydraulic cylinders (608) and fixed bent rods (609), square grooves (9) are formed in two ends of the turnover plate (51) respectively, the mounting frame (601) is fixed at the position, corresponding to the square grooves (9), of the bottom of the turnover plate (51) through the fixed bent rods (609), the hydraulic cylinders (608) are fixed on the inner side of the mounting frame (601), the top telescopic ends of the hydraulic cylinders (608) penetrate through the top of the mounting frame (601) and are connected with the lifting rods (603), two sides of the top of the mounting frame (601) are movably connected with the bottom ends of the movable rods (604) respectively, the top ends of the two movable rods (604) are movably connected with one ends of the two L-shaped rods (606) respectively, the other ends of the two L-shaped rods (606) extend out of the square grooves (9) and the clamping blocks (609) are fixed 607) And the two ends of the lifting rod (603) are movably connected with the bending parts of the two L-shaped rods (606).
6. The multiple-process machining fixture for truck rear axle housings as claimed in claim 4, wherein: the clamping unit (6) comprises a hydraulic cylinder (608), a U-shaped frame (611), a fixed clamping block (612), an end plate (613), a through groove (614), a mounting plate (615), a gear shaft (616), a clamping gear (617), a double-sided rack (618) and a clamping rod (619), wherein square grooves (9) are respectively formed in two ends of the turnover plate (51), the mounting plate (615) is fixed at the position, corresponding to the square grooves (9), of the bottom of the turnover plate (51), the bottom of the mounting plate (615) is connected with the U-shaped frame (611) through the end plate (613), the through groove (614) is formed in the middle of the end plate (613), the hydraulic cylinder (608) is fixed inside the U-shaped frame (611), the telescopic end of the hydraulic cylinder (608) penetrates through the through groove (614) and is connected with the double-sided rack (618), two ends of the front side of the mounting plate (615) are respectively rotatably connected, the two clamping gears (617) are meshed with two sides of the double-sided rack (618), the side surfaces of the two clamping gears (617) are connected with corresponding fixed clamping blocks (612) through clamping rods (619), and the two clamping rods (619) penetrate through the square groove (9).
7. The multiple-process machining fixture for truck rear axle housings as claimed in claim 4, wherein: the clamping unit (6) comprises a hydraulic cylinder (608), a fixing plate (621), sector gears (622), a sector gear shaft (623), a cylinder (624), a vertical rod (625), a slide rail fixing rod (626), a slide rail (627), a sliding rod (628), a hinged support (629) and an arc-shaped clamping rod (630), wherein square grooves (9) are respectively formed at two ends of the turnover plate (51), the fixing plate (621) is fixed at the bottom of the turnover plate (51) corresponding to the square grooves (9), two ends of the side surface of the fixing plate (621) are respectively rotatably connected with the cylinder (624) through the sector gear shaft (623), the corresponding sector gears (622) are arranged on the side surfaces of the two cylinders (624), the two sector gears (622) are meshed and connected, the vertical rod (625) is fixed on the upper side of the cylinder (624), and the end parts of the two vertical rods (625) penetrate through the square grooves (9) and are movably connected with the two sliding rods (628, two sliding rails (627) are fixed on two sides of the fixing plate (621) through sliding rail fixing rods (626), the sliding rods (628) are connected with the sliding rails (627) in a sliding mode, two arc-shaped clamping rods (630) matched with each other are fixed at one ends, close to the two sliding rods (628), and the side faces of the middle portions of the two vertical rods (625) are movably connected with two ends of a hydraulic cylinder (608) respectively.
8. The multiple-process machining fixture for the truck rear axle housing as recited in claim 1, wherein: still include spacing unit (7), spacing unit (7) include ratchet (71), pawl (72), fixed block (73), torsional spring (74), keep off ring (75) and erection column (76), the fixed cover in bottom of screw rod (25) has been connected ratchet (71), be fixed with erection column (76) that are close to ratchet (71) on underframe (1), the middle part of erection column (76) is fixed with keeps off ring (75), pawl (72) have been cup jointed at the top of erection column (76), the top of erection column (76) is fixed with fixed block (73), and has cup jointed torsional spring (74) on erection column (76), fixed block (73) and pawl (72) are connected respectively to the both ends of torsional spring (74), pawl (72) and ratchet (71) joint under the torsion effect of torsional spring (74).
9. The multiple-process machining fixture for the truck rear axle housing as recited in claim 1, wherein: still include fixed unit (8), fixed unit (8) include triangle fixed block (81), connecting block (82) and connecting hole (83), the front and back side of underframe (1) is fixed with connecting block (82) through triangle fixed block (81) respectively, connecting hole (83) have been seted up respectively to the both ends of connecting block (82).
10. The clamping use method of the multi-process machining clamp for the truck rear axle housing as claimed in any one of claims 1 to 9 is characterized in that: comprises the following steps:
the method comprises the following steps: clamping the elongated portions of both ends of the rear axle housing using a clamping unit (6);
step two: the height of the rear axle housing is controlled by using the lifting control unit (2), and the rear axle housing is controlled to move in the transverse direction by using the transverse control unit (3);
step three: the rear axle housing can be rotated by the rotation control unit (4) to adjust different angles, and the rear axle housing can be turned by different angles by the turning control unit (5), so that the requirement of multiple processes is met;
step four: after the processing is finished, the transverse control unit (3), the rotation control unit (4) and the turnover control unit (5) are reset;
step five: and loosening the processed rear axle housing by using the clamping unit (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068991.7A CN112692765A (en) | 2021-01-19 | 2021-01-19 | Multi-process machining clamp for truck rear axle housing and clamping use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110068991.7A CN112692765A (en) | 2021-01-19 | 2021-01-19 | Multi-process machining clamp for truck rear axle housing and clamping use method |
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| CN112692765A true CN112692765A (en) | 2021-04-23 |
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| CN202110068991.7A Withdrawn CN112692765A (en) | 2021-01-19 | 2021-01-19 | Multi-process machining clamp for truck rear axle housing and clamping use method |
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Cited By (7)
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| CN113084763A (en) * | 2021-05-04 | 2021-07-09 | 义乌市择木工业产品设计有限公司 | Machining positioning device |
| CN113161972A (en) * | 2021-04-27 | 2021-07-23 | 荣华建设集团有限公司 | Adjustable lightning protection belt supporting device for flat roof building parapet |
| CN113758516A (en) * | 2021-08-31 | 2021-12-07 | 国网山东省电力公司招远市供电公司 | Composite insulator locking pin test device |
| CN114260921A (en) * | 2022-01-26 | 2022-04-01 | 李迪菲 | Manipulator device with return upset function |
| CN114523454A (en) * | 2022-01-21 | 2022-05-24 | 深圳市美师傅科技有限公司 | Can regulate and control bluetooth headset mainboard production workstation that turns to position |
| CN116175450A (en) * | 2023-04-25 | 2023-05-30 | 诸城市顺德机械有限责任公司 | Clamping tool for detecting automobile parts |
| CN113758516B (en) * | 2021-08-31 | 2024-04-26 | 国网山东省电力公司招远市供电公司 | Composite insulator locking pin test device |
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| CN113758516B (en) * | 2021-08-31 | 2024-04-26 | 国网山东省电力公司招远市供电公司 | Composite insulator locking pin test device |
| CN114523454A (en) * | 2022-01-21 | 2022-05-24 | 深圳市美师傅科技有限公司 | Can regulate and control bluetooth headset mainboard production workstation that turns to position |
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| CN114260921B (en) * | 2022-01-26 | 2024-01-02 | 李迪菲 | Manipulator device with return overturning function |
| CN116175450A (en) * | 2023-04-25 | 2023-05-30 | 诸城市顺德机械有限责任公司 | Clamping tool for detecting automobile parts |
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Application publication date: 20210423 |