CN111203482B - Automobile rear axle housing correcting die - Google Patents
Automobile rear axle housing correcting die Download PDFInfo
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- CN111203482B CN111203482B CN202010184577.8A CN202010184577A CN111203482B CN 111203482 B CN111203482 B CN 111203482B CN 202010184577 A CN202010184577 A CN 202010184577A CN 111203482 B CN111203482 B CN 111203482B
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- axle housing
- base
- rear axle
- correction
- tray
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- 238000012937 correction Methods 0.000 claims abstract description 62
- 239000011324 bead Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/12—Straightening vehicle body parts or bodies
Abstract
The invention discloses a rear axle housing correction die for an automobile, which comprises a base, support frames, fixing plates, check rings, correction columns and a tray, wherein support legs are arranged at the lower end of the base, sliding grooves are formed in the left side and the right side of the upper end surface of the base, a clamping plate is arranged at the lower end of the support frame, the lower end of the support frame is installed in the sliding grooves, one support frame is installed in each of the two sliding grooves on the base, a bracket is arranged at the upper end of the support frame, the front end and the rear end of the base are symmetrically provided with the two fixing plates, the lower ends of the fixing plates are connected with the base, two first hydraulic cylinders are respectively installed at the upper ends of the two fixing plates at the front end of the base, and the two first hydraulic cylinders are arranged oppositely. Through setting up first pneumatic cylinder and retaining ring, can stretch the alignment to some rear-axle housings that take place bending deformation, through setting up the correction post and set up flexible post on the correction post, can follow the inside inner space to rear-axle housing of rear-axle housing and rectify.
Description
Technical Field
The invention relates to an automobile overhauling mold, in particular to an automobile rear axle housing correcting mold.
Background
The automobile rear axle housing is an important component of the automobile rear axle, the automobile rear axle is an important component of the automobile, in a rear-drive vehicle, the rear axle not only plays a role of bearing an automobile body, but also plays a role of driving, decelerating and differentiating, power transmitted by an automobile engine is transmitted to a differential mechanism through a transmission shaft after being decelerated by a gearbox, the differential mechanism redistributes the power transmitted by the transmission shaft to half shafts vertically connected at two ends, and finally the power is transmitted to wheels through the half shafts, and the differential mechanism, the half shafts and the wheels are all installed on the rear axle housing, so the quality of the rear axle housing directly influences the reliability of the vehicle operation.
Some collisions can take place at normal use with unavoidable the vehicle, especially engineering vehicle, the operational environment is relatively poor, the road surface of traveling is rugged, rear-axle housing can be scraped often and bumped, lead to rear-axle housing deformation, the damage, because rear-axle housing bears whole automobile body, and a lot of important parts are all installed on rear-axle housing, consequently, rear-axle housing warp the back and will lead to the unable operation of vehicle, rear-axle housing is bulky, heavy, if the speech part cost and the cost of transportation of direct change all can be very high, and rear-axle housing is steel structure spare, if not the direct case of breaking, can normal use after rectifying, consequently, can save a very big cost through the correction processing.
Rear-axle housing is large-scale steel structure, consequently only can't accomplish through the manpower when the maintenance, consequently just need special correction mould to rectify the operation, although current some small-size correction moulds convenient to use, but can't unify the correction to rear-axle housing is whole, only can rectify the part, the calibration effect, can't satisfy the operation requirement, and rear-axle housing if because receive external force whole bending, then need whole tensile alignment to rear-axle housing, do not have relevant equipment at present and can stretch the alignment, and the commonality of current mould is relatively poor, to not equidimension, the rear-axle housing commonality of shape is relatively poor, consequently, need an automobile rear-axle housing to rectify the mould and solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to provide a rear axle housing correcting die for an automobile, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rear axle housing correcting die for an automobile comprises a base, a supporting frame, fixing plates, a check ring, a correcting column and a tray, wherein the lower end of the base is provided with supporting legs, the left side and the right side of the upper end surface of the base are respectively provided with a sliding groove, the lower end of the supporting frame is provided with a clamping plate, the lower end of the supporting frame is arranged in the sliding grooves, one supporting frame is arranged in each of the two sliding grooves on the base, the clamping plate at the lower end of the supporting frame is matched with the sliding grooves, the lower end of the supporting frame is clamped in the sliding grooves, the upper end of the supporting frame is provided with the tray, the front end and the rear end of the base are symmetrically provided with two fixing plates, the lower ends of the fixing plates are connected with the base, the upper ends of the two fixing plates at the front end of the base are respectively provided with two first hydraulic cylinders, the two first hydraulic cylinders are oppositely arranged, one end, away from each other, the two first hydraulic cylinders and the plunger rods are also arranged on the two fixing plates at the rear end of the base, the front and the rear plunger rods at the left and the right ends are connected through a retaining ring;
a second hydraulic cylinder is arranged in the middle of the upper end of the base, a tray is arranged above the second hydraulic cylinder, the lower end of the tray is connected with a telescopic rod of the second hydraulic cylinder, clamping grooves are arranged at the left end and the right end of the upper end of the tray, two sliding blocks are symmetrically arranged at the front and the back of the upper end of the tray, a bead is arranged at the lower end of each sliding block and is clamped in the clamping groove on the tray, thereby clamping the slide block on the tray, symmetrically arranging positioning blocks at the left and right ends of the correction column, arranging an oil cavity in the correction column, penetrating the correction column at the left end of the oil cavity, arranging a joint at the left end of the correction column, arranging the left and right ends of the correction column in a clamping ring on the supporting frame, the positioning blocks at the two ends of the correction column are matched with the positioning grooves in the clamping ring, a plurality of telescopic columns are arranged around the correction column and are uniformly distributed around the correction column, the telescopic column is embedded in the correcting column, and one end of the telescopic column, which is arranged in the correcting column, is communicated with the oil cavity.
As a further scheme of the invention: the cross-section of spout is the T type, and the spout is seted up in the inside of base.
As a further scheme of the invention: the inside of spout is provided with first screw rod, two the one end that first screw rod is close to all rotates and clamps in the base, and two the one end that first screw rod was kept away from all stretches out the both ends of base, and two the one end that first screw rod was kept away from all installs first crank.
As a further scheme of the invention: the handle of the first crank is sleeved with a rotating sleeve.
As a further scheme of the invention: the lower extreme of support frame has seted up the screw, and the screw runs through both ends about the support frame, screw and the first screw rod mechanical cooperation in the spout.
As a further scheme of the invention: the bracket is the U type, installs the clamp ring on the bracket, and the clamp ring comprises two semicircular clamping plate, and two semicircular clamping plate set up relatively, and two semicircular clamping plate's lower extreme all rotates through the pin and installs on the bracket, and two semicircular clamping plate's upper end is passed through the snap ring and is connected, and the constant head tank has all been seted up at the inboard middle part that two semicircular clamping plate are relative.
As a further scheme of the invention: a base plate is arranged between the two first hydraulic cylinders.
As a further scheme of the invention: the through-hole has been seted up to the centre of retaining ring, and the outside of two retaining rings all is provided with the nut, and the central axis of two retaining rings coincides with the central axis of two clamp rings.
As a further scheme of the invention: the middle part of the tray is provided with a second screw rod, the middle part of the second screw rod is rotationally clamped on the tray, a second crank is installed at the rear end of the second screw rod, and the second crank and the first crank are identical in structure.
As a further scheme of the invention: the below of slider is provided with the screw, and the screw runs through both ends around the slider, screw and second screw rod mechanical cooperation on the slider, and the hemisphere recess has all been seted up to the relative one end of two sliders.
As a further scheme of the invention: the correction column is cylindrical.
As a further scheme of the invention: the one end that flexible post stretches out the correction post has seted up the screw, installs adjusting bolt in the screw.
As a further scheme of the invention: the shape of the correcting column is similar to the shape of the space inside the rear axle housing.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the first hydraulic cylinder and the check ring, some rear axle housings with bending deformation can be stretched and straightened, and meanwhile, the rear axle housings can be stably fixed, so that the subsequent correction effect is improved;
2. by arranging the correcting column and arranging the telescopic column on the correcting column, the internal space of the rear axle housing can be corrected from the inside of the rear axle housing, and meanwhile, some collided pits can be corrected;
3. by arranging the adjusting bolts on the telescopic columns, the lengths of the telescopic columns can be adjusted according to rear axle housings of different shapes and sizes, so that the application range of the die is widened;
4. through setting up the slidingtype support frame, can fix the correction post of different length, it is convenient to fix moreover, can also restrict the rotation of correction post, improves and rectifies the precision.
Drawings
Fig. 1 is a left front view of a three-dimensional structure of an automobile rear axle housing correcting die in embodiment 1.
Fig. 2 is a right front view of a three-dimensional structure of an automobile rear axle housing correcting die in embodiment 1.
Fig. 3 is an exploded view of a three-dimensional structure of an automotive rear axle housing correcting die in embodiment 1.
Fig. 4 is a right side view of an automotive rear axle housing correcting mold embodiment 1.
Fig. 5 is a schematic cross-sectional view taken along line a-a in fig. 4.
Fig. 6 is a schematic perspective structure diagram of a support frame in the rear axle housing correcting die for the automobile in embodiment 1.
Fig. 7 is a schematic perspective view of a correcting column in the rear axle housing correcting mold for an automobile in embodiment 1.
Fig. 8 is an enlarged view of B in embodiment 1 of the automotive rear axle housing correcting die.
Fig. 9 is a schematic perspective view of a correcting column in embodiment 2 of the correcting mold for a rear axle housing of an automobile.
In the figure: 1. a base; 2. a chute; 3. a first screw; 4. a first crank; 5. a support frame; 6. a fixing plate; 7. a first hydraulic cylinder; 8. a plunger rod; 9. a base plate; 10. a retainer ring; 11. a nut; 12. a correction column; 13. a second hydraulic cylinder; 14. a tray; 15. a slider; 16. a second screw; 17. a second crank; 18. clamping a plate; 19. a bracket; 20. a clamping ring; 21. a snap ring; 22. positioning a groove; 23. positioning blocks; 24. a joint; 25. A telescopic column; 26. an oil chamber; 27. and adjusting the bolt.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-8, an automobile rear axle housing correcting die comprises a base 1, a support frame 5, a fixing plate 6, a retainer ring 10, a correcting column 12 and a tray 14, wherein supporting legs are arranged at the lower end of the base 1, sliding grooves 2 are formed in the left side and the right side of the upper end face of the base 1, the cross sections of the sliding grooves 2 are T-shaped, the sliding grooves 2 are formed in the base 1, first screws 3 are arranged in the sliding grooves 2, one ends, close to the two first screws 3, of the two first screws are rotatably clamped in the base 1, one ends, far away from the two first screws 3, of the two first screws extend out of two ends of the base 1, first cranks 4 are arranged at one ends, far away from the two first screws 3, the first screws 3 can be rotated through the first cranks 4, and rotating sleeves are sleeved on handles of the first cranks 4, so that the rocking is convenient to rock.
As shown in fig. 1 and 6, a clamping plate 18 is arranged at the lower end of the support frame 5, the lower end of the support frame 5 is installed in the sliding groove 2, one support frame 5 is installed in each of the two sliding grooves 2 on the base 1, the clamping plate 18 at the lower end of the support frame 5 is matched with the sliding groove 2, the lower end of the support frame 5 is clamped in the sliding groove 2, a screw hole is formed in the lower end of the support frame 5 and penetrates through the left end and the right end of the support frame 5, the screw hole is mechanically matched with a first screw rod 3 in the sliding groove 2, the support frame 5 can be driven to slide left and right in the sliding groove 2 when the first screw rod 3 rotates, the first screw rod 3 is rotated through the first crank 4, and therefore the position of the support frame 5 in the sliding groove 2 is controlled through the first screw rod 3.
As shown in fig. 6, the upper end of the supporting frame 5 is provided with a bracket 19, the bracket 19 is U-shaped, a clamping ring 20 is installed on the bracket 19, the clamping ring 20 is composed of two semicircular clamping plates, the two semicircular clamping plates are oppositely arranged, the lower ends of the two semicircular clamping plates are all installed on the bracket 19 through pin rotation, the upper ends of the two semicircular clamping plates are connected through a clamping ring 21, so that the two semicircular clamping plates are closed, and the positioning groove 22 is formed in the middle of the inner side, opposite to the two semicircular clamping plates, of the two semicircular clamping plates.
As shown in fig. 3, two fixing plates 6 are symmetrically arranged at the front end and the rear end of a base 1, the lower ends of the fixing plates 6 are connected with the base 1, two first hydraulic cylinders 7 are respectively arranged at the upper ends of the two fixing plates 6 at the front end of the base 1, the two first hydraulic cylinders 7 are oppositely arranged, a backing plate 9 is arranged between the two first hydraulic cylinders 7, the distance between the two opposite first hydraulic cylinders 7 can be conveniently adjusted by arranging the backing plates 9 with different thicknesses, the two opposite first hydraulic cylinders 7 can be tightly connected, a plunger rod 8 is arranged at the end, far away from each other, of the two first hydraulic cylinders 7, the plunger rod 8 can extend and retract in the first hydraulic cylinders 7, the two fixing plates 6 at the rear end of the base 1 are also provided with the two first hydraulic cylinders 7 and the plunger rod 8, and the left ends of the front and rear plunger rods 8 at the left end are connected through a retaining ring 10, the through hole has been seted up in the centre of retaining ring 10, and two plunger rods 8 are connected through retaining ring 10 equally around the right-hand member, and the outside of two retaining rings 10 all is provided with nut 11, and the central axis of two retaining rings 10 coincides with the central axis of two clamp rings 20.
As shown in fig. 3, a second hydraulic cylinder 13 is installed in the middle of the upper end of the base 1, a tray 14 is arranged above the second hydraulic cylinder 13, the lower end of the tray 14 is connected with a telescopic rod of the second hydraulic cylinder 13, the second hydraulic cylinder 13 can control the tray 14 to ascend and descend, the left end and the right end of the upper end of the tray 14 are provided with clamping grooves, the middle of the tray 14 is provided with a second screw 16, the middle of the second screw 16 is rotatably clamped on the tray 14, the rear end of the second screw 16 is provided with a second crank 17, the second crank 17 and the first crank 4 have the same structure, the second screw 16 can be rotated by the second crank 17, two sliders 15 are symmetrically arranged in front and back of the upper end of the tray 14, the lower ends of the sliders 15 are provided with beads which are clamped in the clamping grooves on the tray 14, so that the sliders 15 are clamped on the tray 14, screw holes are arranged below the sliders 15, the screw runs through slider 15 both ends around, and screw and the 16 mechanical cooperations of second screw rod on the slider 15 can let two sliders 15 be close to each other or keep away from, two through rotating second screw rod 16 the hemisphere recess has all been seted up to the one end that slider 15 is relative for stably place the rear-axle housing.
As shown in fig. 5 and 7, the correction column 12 is cylindrical, positioning blocks 23 are symmetrically arranged at the left end and the right end of the correction column 12, an oil cavity 26 is formed in the correction column 12, the left end of the oil cavity 26 penetrates through the correction column 12, a joint 24 is arranged at the left end of the correction column 12, the oil cavity 26 can be connected with a high-pressure oil supply pipe through the joint 24, the left end and the right end of the correction column 12 are both arranged in a clamping ring 20 on a support frame 5, the correction column 12 is fixed through the support frame 5, the positioning blocks 23 at the two ends of the correction column 12 are matched with positioning grooves 22 in the clamping ring 20, so that the correction column 12 is limited to roll in the clamping ring 20, a plurality of telescopic columns 25 are further arranged around the correction column 12, and the telescopic columns 25 are uniformly distributed around the correction column 12.
As shown in fig. 8, the telescopic column 25 is embedded in the correction column 12, the telescopic column 25 can be extended and retracted along the radial direction of the correction column 12, one end of the telescopic column 25, which is installed inside the correction column 12, is communicated with the oil chamber 26, the oil chamber 26 can push the telescopic column 25 to move outwards along the radial direction of the correction column 12 when being filled with high-pressure oil, one end of the telescopic column 25, which extends out of the correction column 12, is provided with a screw hole, an adjusting bolt 27 is installed in the screw hole, the acting stroke of the telescopic column 25 can be increased through the adjusting bolt 27, and different types of rear axle housings can be corrected.
In the using process of the embodiment: firstly, a first crank 4 rotates a first screw 3 to drive two support frames 5 to move away from each other and move towards the left end and the right end of a base 1, then a first hydraulic cylinder 7 is controlled to extend a plunger rod 8 to drive retainer rings 10 at the two ends to move towards the two ends respectively, then a second crank 17 drives a second screw 16 to rotate to drive two sliders 15 to move away from each other, finally a rear axle housing is hoisted above the two sliders 15, the middle part of the rear axle housing is placed on the two sliders 15, the second crank 17 rotates the second screw 16 after the rear axle housing is hoisted to drive the two sliders 15 to approach each other to clamp and fix the rear axle housing, a second hydraulic cylinder 13 is controlled to drive a tray 14 to lift after the rear axle housing is fixed, the central axis of the rear axle housing is coincided with the central axes of the left retainer ring and the right retainer ring 10, then the first hydraulic cylinder 7 is controlled to retract the plunger rod 8, and simultaneously drives the retainer rings 10 to be sleeved on the outer side of the rear axle housing, then nuts 11 matched with threads at two ends of the rear axle housing are selected, the two nuts 11 are installed at the two ends of the rear axle housing, then the first hydraulic cylinder 7 is controlled to enable the plunger rod 8 to extend out to drive the two check rings 10 to move towards the left end and the right end, after the check rings 10 are contacted with the nuts 11, the two check rings 10 can apply pressure to the two nuts 11, the rear axle housing is stretched through the nuts 11 to straighten and correct the rear axle housing, then the adjusting bolt 27 is screwed out for a certain distance according to the internal size of the rear axle housing, the correcting column 12 is inserted from one end of the rear axle housing, after the other end extends out, the supporting frames 5 at the two ends are moved to proper positions, the two ends of the correcting column 12 are fixed on the supporting frames 5 at the two ends, after the fixing of the correcting column 12 is completed, the high-pressure oil supply pipe is connected with the joint 24, the valve is opened to enable high-pressure oil to enter the oil cavity 26, the telescopic column 25 is pushed to extend out to correct the rear axle housing, and after the correction is finished, the rear axle housing is detached according to the reverse sequence.
Example 2
Referring to fig. 9, a mold for correcting a rear axle housing of an automobile comprises a base 1, a support frame 5, a fixing plate 6, a retainer ring 10, a correction column 12 and a tray 14, wherein the difference between the embodiment and the embodiment 1 is that the correction column 12 is not cylindrical, the shape of the correction column 12 in the embodiment is similar to the shape of the inner space of the rear axle housing, the correction column 12 is designed differently according to different rear axle housings, the correction accuracy can be improved by using the dedicated correction column 12, but only the assembled rear axle housing can be used, and the integral rear axle housing cannot be used.
In the using process of the invention: firstly, a first screw rod 3 is rotated through a first crank 4 to drive two support frames 5 to move away from each other and move towards the left end and the right end of a base 1, then a first hydraulic cylinder 7 is controlled to extend a plunger rod 8 to drive retainer rings 10 at the two ends to move towards the two ends respectively, then a second crank 17 is used to drive a second screw rod 16 to rotate to drive two sliders 15 to move away from each other, then a rear axle housing to be corrected is disassembled, a correcting column 12 is placed in the rear axle housing, the rear axle housing is assembled, finally the rear axle housing containing the correcting column 12 is hoisted above the two sliders 15, the middle part of the rear axle housing is placed on the two sliders 15, after the rear axle housing is fixed, the second screw rod 16 is rotated through the second crank 17 to drive the two sliders 15 to approach each other, the rear axle housing is clamped and fixed, the second hydraulic cylinder 13 is controlled to drive a tray 14 to lift so that the central axis of the rear axle housing coincides with the central axes of the left retainer ring 10 and the right retainer ring 10, then controlling the first hydraulic cylinder 7 to retract the plunger rod 8, simultaneously driving the check rings 10 to be sleeved on the outer side of the rear axle housing, then selecting the nuts 11 matched with the threads of the two ends of the rear axle housing, installing the two nuts 11 at the two ends of the rear axle housing, then controlling the first hydraulic cylinder 7 to extend the plunger rod 8 to drive the two check rings 10 to move towards the left end and the right end, after the check rings 10 are contacted with the nuts 11, applying pressure to the two nuts 11 by the two check rings 10, stretching the rear axle housing through the nuts 11 to straighten and correct the rear axle housing, then moving the support frames 5 at the two ends to proper positions, fixing the two ends of the correction column 12 on the support frames 5 at the two ends, after the correction column 12 is fixed, connecting the high-pressure oil supply pipe with the joint 24, opening the valve to enable high-pressure oil to enter the oil cavity 26 and push the telescopic column 25 to extend out to correct the rear axle housing, and after the correction is finished, according to the reverse order, the alignment post 12 in the rear axle housing is removed.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (13)
1. A rear axle housing correcting die for an automobile comprises a base (1), supporting frames (5), fixing plates (6), check rings (10), correcting columns (12) and a tray (14), and is characterized in that supporting legs are arranged at the lower end of the base (1), sliding grooves (2) are formed in the left side and the right side of the upper end face of the base (1), clamping plates (18) are arranged at the lower end of the supporting frames (5), the lower ends of the supporting frames (5) are installed in the sliding grooves (2), one supporting frame (5) is installed in each of the two sliding grooves (2) on the base (1), the clamping plates (18) at the lower ends of the supporting frames (5) are matched with the sliding grooves (2), the lower ends of the supporting frames (5) are clamped in the sliding grooves (2), the upper ends of the supporting frames (5) are provided with brackets (19), the front end and the rear end of the base (1) are symmetrically provided with the two fixing plates (6), and the lower ends of the fixing plates (6) are connected with the base (1), the upper ends of two fixing plates (6) at the front end of the base (1) are respectively provided with two first hydraulic cylinders (7), the two first hydraulic cylinders (7) are arranged oppositely, one ends, far away from each other, of the two first hydraulic cylinders (7) are provided with plunger rods (8), the two fixing plates (6) at the rear end of the base (1) are also provided with the two first hydraulic cylinders (7) and the plunger rods (8), and the front plunger rods (8) and the rear plunger rods (8) at the left end and the right end are connected through check rings (10);
a second hydraulic cylinder (13) is installed in the middle of the upper end of the base (1), a tray (14) is arranged above the second hydraulic cylinder (13), the lower end of the tray (14) is connected with a telescopic rod of the second hydraulic cylinder (13), clamping grooves are formed in the left end and the right end of the upper end of the tray (14), two sliding blocks (15) are symmetrically arranged on the upper end of the tray (14) in a front-back mode, beads are arranged at the lower end of each sliding block (15) and clamped in the clamping grooves in the tray (14), so that the sliding blocks (15) are clamped on the tray (14), positioning blocks (23) are symmetrically arranged at the left end and the right end of the correction column (12), an oil cavity (26) is formed in the correction column (12), the left end of the oil cavity (26) penetrates through the correction column (12), a connector (24) is installed at the left end of the correction column (12), and the left end and the right end of the correction column (12) are installed in clamping rings (20) on the support frame (5), the positioning blocks (23) at the two ends of the correction column (12) are matched with the positioning grooves (22) in the clamping ring (20), a plurality of telescopic columns (25) are further arranged around the correction column (12), the telescopic columns (25) are uniformly distributed around the correction column (12), the telescopic columns (25) are embedded in the correction column (12), and one end of the telescopic columns (25) inside the correction column (12) is communicated with the oil cavity (26).
2. The automotive rear axle housing correcting die as claimed in claim 1, characterized in that the cross section of the chute (2) is T-shaped, and the chute (2) is arranged inside the base (1).
3. The automobile rear axle housing correcting die according to claim 2, characterized in that first screw rods (3) are arranged inside the sliding groove (2), one ends, close to the two first screw rods (3), of the two first screw rods are rotatably clamped in the base (1), one ends, far away from the two first screw rods (3), of the two first screw rods extend out of two ends of the base (1), and one ends, far away from the two first screw rods (3), of the two first screw rods are provided with first crank handles (4).
4. The automotive rear axle housing correcting die as claimed in claim 3, wherein a rotating sleeve is sleeved on a handle of the first crank (4).
5. The automobile rear axle housing correcting die is characterized in that screw holes are formed in the lower end of the supporting frame (5), penetrate through the left end and the right end of the supporting frame (5), and are mechanically matched with the first screw rods (3) in the sliding grooves (2).
6. The automobile rear axle housing correcting die is characterized in that the bracket (19) is U-shaped, a clamping ring (20) is mounted on the bracket (19), the clamping ring (20) is composed of two semicircular clamping plates, the two semicircular clamping plates are arranged oppositely, the lower ends of the two semicircular clamping plates are rotatably mounted on the bracket (19) through pins, the upper ends of the two semicircular clamping plates are connected through a clamping ring (21), and positioning grooves (22) are formed in the middle parts of the opposite inner sides of the two semicircular clamping plates.
7. The automotive rear-axle housing correcting die of claim 1, characterized in that a shim plate (9) is arranged between the two first hydraulic cylinders (7).
8. The automobile rear axle housing correcting die as claimed in claim 1, wherein a through hole is formed in the middle of each retainer ring (10), nuts (11) are arranged on the outer sides of the two retainer rings (10), and the central axes of the two retainer rings (10) coincide with the central axes of the two clamping rings (20).
9. The automotive rear axle housing correcting die is characterized in that a second screw (16) is arranged in the middle of the tray (14), the middle of the second screw (16) is rotatably clamped on the tray (14), a second crank (17) is installed at the rear end of the second screw (16), and the second crank (17) and the first crank (4) are identical in structure.
10. The automobile rear axle housing correcting die as claimed in claim 9, wherein screw holes are formed below the sliding blocks (15), the screw holes penetrate through the front end and the rear end of each sliding block (15), the screw holes in the sliding blocks (15) are mechanically matched with the second screw rods (16), and hemispherical grooves are formed in the opposite ends of the two sliding blocks (15).
11. The automotive rear-axle housing correction mold as defined in claim 1, characterized in that the correction post (12) is cylindrical.
12. The automobile rear axle housing correcting die is characterized in that one end, extending out of the correcting column (12), of the telescopic column (25) is provided with a screw hole, and an adjusting bolt (27) is installed in the screw hole.
13. The automotive rear-axle housing correction mold as defined in claim 1, characterized in that the outer shape of the correction post (12) is similar to the shape of the space inside the rear-axle housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184577.8A CN111203482B (en) | 2020-03-17 | 2020-03-17 | Automobile rear axle housing correcting die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010184577.8A CN111203482B (en) | 2020-03-17 | 2020-03-17 | Automobile rear axle housing correcting die |
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| CN111203482A CN111203482A (en) | 2020-05-29 |
| CN111203482B true CN111203482B (en) | 2022-07-01 |
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| CN202010184577.8A Active CN111203482B (en) | 2020-03-17 | 2020-03-17 | Automobile rear axle housing correcting die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112496087B (en) * | 2020-11-10 | 2022-11-01 | 湖南宝特瑞能新能源有限责任公司 | Shell leveling device is used in lithium cell production and processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862663U (en) * | 2010-10-26 | 2011-06-15 | 湖南中联重科车桥有限公司 | Equipment for detecting and correcting machine part |
| CN104368698B (en) * | 2014-11-27 | 2016-07-13 | 柳州市飞歌汽车配件有限公司 | Rear axle housing leveling die |
| CN106270191B (en) * | 2016-08-18 | 2018-02-13 | 重庆鹏雷汽车配件有限公司 | Vehicle rear-axle housing Correction Die |
| CN208494799U (en) * | 2018-06-22 | 2019-02-15 | 合肥明辉汽车零部件制造有限公司 | A kind of automobile axle housing self-centering straightening mechanism easy to use |
| CN208390699U (en) * | 2018-06-22 | 2019-01-18 | 合肥明辉汽车零部件制造有限公司 | A kind of axle housing plane correction device easy to use |
| CN209061867U (en) * | 2018-06-28 | 2019-07-05 | 重庆卓通汽车工业有限公司 | Automobile axle both ends full circle equipment |
| CN110076252A (en) * | 2019-05-15 | 2019-08-02 | 华北科技学院 | The manufacturing process of middle heavy wall integral automobile driving axle housing bridge arch |
| CN110216197B (en) * | 2019-06-28 | 2024-02-13 | 庆铃汽车（集团）有限公司 | Pressing mechanism and axle housing correction die |
| CN110369563B (en) * | 2019-07-30 | 2021-01-29 | 中机试验装备股份有限公司 | Automatic detection and correction equipment for middle section of axle housing |
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