CN219633203U - Fixing device for axle housing processing - Google Patents
Fixing device for axle housing processing Download PDFInfo
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- CN219633203U CN219633203U CN202320785136.2U CN202320785136U CN219633203U CN 219633203 U CN219633203 U CN 219633203U CN 202320785136 U CN202320785136 U CN 202320785136U CN 219633203 U CN219633203 U CN 219633203U
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- 238000003825 pressing Methods 0.000 claims abstract description 39
- 238000007667 floating Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 40
- 238000007906 compression Methods 0.000 claims description 40
- 238000003754 machining Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 40
- 238000005457 optimization Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a fixing device for processing an axle housing, which is characterized in that: the fixing device comprises 2 clamping devices, and the single clamping device comprises a foundation plate, a lifting supporting seat, a fixing supporting seat, a floating supporting seat and a radial pressing device; the 2 floating supporting seats are respectively arranged on the inner sides of the 2 fixed supporting seats, and the 2 lifting supporting seats are respectively arranged on the outer sides of the 2 fixed supporting seats; the arc-shaped pressing plates of the 2 radial pressing devices are respectively arranged right above the V-shaped supporting parts of the 2 fixed supporting seats; the outside of the fixed supporting seat of the first clamping device is also provided with an axial compressing device, and the outer side surface of the second clamping device is also provided with an axial positioning stop block. The fixing device is used for clamping and processing the axle housing, so that the operation intensity is reduced, the production efficiency is improved, the processing precision is greatly improved, the product quality is ensured, and the production cost is further reduced.
Description
Technical Field
The utility model relates to the technical field of automobile manufacturing, in particular to a fixing device for machining an axle housing.
Background
The axle housing is an important part for bearing and driving an automobile, an automobile speed reducer assembly, a differential mechanism assembly, a left half shaft, a right half shaft and an external upper end are internally installed, a braking sub-chamber is connected with the left end and the right end, a braking bottom plate, a braking shoe assembly, a wheel-side speed reducer assembly and a braking drum are connected with the left end and the right end, the assembled axle assembly is required to be subjected to bench test, the axle assembly is transmitted to an input flange on the axle assembly according to the specified rotating speed and torque of a transmission shaft in the test, in the bench test, the qualified axle assembly meets the condition that internal gear oil cannot leak from the surface or a sealing position of the axle housing, a braking system is sensitive and reliable, and each relevant part generates heat normally.
In response to the above requirements, the machining quality of the axle housing is one of the key important factors for ensuring the assembly quality of the axle assembly, and has been highly paid attention to the design, manufacture and inspection departments. Before the axle housing is assembled, the connecting end faces, the positioning bolt connecting holes, the positioning pin holes, the saddle bolt connecting holes, the plate spring connecting holes, the positioning holes and the upper end face and the lower end face of the upper thrust rod and the brake subchamber support are required to be machined, in the prior art, when the parts are machined, the clamping modes of the manual alignment clamps are machined, the machining precision of all machining surfaces and holes of the axle housing is ensured by experience of operators, in addition, the axial freedom degree of the axle housing is limited only by one end of the clamps in the machining process, if the clamping force of the clamps on the axle housing is insufficient, a workpiece can move to an unlimited end in the machining process, and the limitation of the axial rotation freedom degree is ensured by manually adjusting the support on the clamps by an operator, so that the axle housing is enabled to generate axial rotation deflection due to the fact that the clamps vibrate or the support is not adjusted in place in the machining process, and the machining quality of all planes and the holes is further reduced. In addition, each time an operator processes an axle housing, one end of the axle housing is required to be close to an axial positioning block, the positioning standard of a workpiece processing plane is manually aligned and then fixed through manual adjustment and adjustment support, the axle housing is clamped by manually screwing the turnover pressing plate back and forth left and right, and the processing quality of the axle housing is unstable and the processing precision cannot be ensured due to the influence of factors such as the operation experience and the physical state of the operator. In the prior art, the machining mode of the axle housing has the defects of high labor intensity, low efficiency and low machining quality.
Disclosure of Invention
Aiming at the problems of the background technology, the utility model provides a fixing device for processing an axle housing, which aims to solve the problems of high labor intensity, low efficiency, unsecured processing quality and high production cost in the processing of the axle housing in the prior art.
In order to achieve the purpose of the utility model, the utility model provides a fixing device for processing an axle housing, which is fixedly arranged on a machine tool workbench of a processing center, and has the innovation points that: the fixing device comprises 2 clamping devices, and the 2 clamping devices are symmetrically arranged left and right;
the single clamping device comprises a foundation plate, a lifting supporting seat, a fixed supporting seat, a floating supporting seat and a radial pressing device; the foundation plate is fixedly arranged on the machine tool workbench, and is horizontally arranged; the lifting supporting seat, the fixed supporting seat, the floating supporting seat and the radial pressing device are all arranged on the top surface of the foundation plate; the top of the fixed supporting seat is provided with a V-shaped supporting part, and the upper part of the radial pressing device is provided with an arc-shaped pressing plate;
the opposite sides of the 2 fixed supporting seats along the left-right direction are marked as the inner sides of the fixed supporting seats, and the opposite sides of the 2 fixed supporting seats along the left-right direction are marked as the outer sides of the fixed supporting seats; the 2 floating supporting seats are respectively arranged on the inner sides of the 2 fixed supporting seats, and the 2 lifting supporting seats are respectively arranged on the outer sides of the 2 fixed supporting seats; the 2 arc-shaped pressing plates are respectively arranged right above the 2V-shaped supporting parts;
the 2 clamping devices are respectively marked as a first clamping device and a second clamping device; the outer side of the fixed supporting seat of the first clamping device is also provided with an axial pressing device, and the outer side surface of the second clamping device is also provided with an axial positioning stop block.
As optimization, the two foundation plates are connected through the double-headed screw, and the distance between the two foundation plates can be adjusted by enabling the double-headed screw to rotate along the axis of the double-headed screw.
As optimization, the V-shaped supporting part comprises 2 supporting inclined planes forming a V shape, wherein the 2 supporting inclined planes incline in the forward direction and the backward direction respectively, and a supporting block is arranged on each of the 2 supporting inclined planes and is detachably connected with the supporting inclined plane; the top surface of the axial positioning stop block protrudes out of the top surface of the supporting block.
As optimization, the outer sides of the two fixed supporting seats are respectively provided with a guide rod for hoisting the axle housing, and the axial direction of the guide rods is vertically arranged.
As optimization, the lifting support seat comprises a lifting oil cylinder, a lifting support block and a guide block; the cylinder body of the lifting cylinder is fixedly arranged on the outer side surface of the fixed supporting seat, a piston rod of the lifting cylinder is upwards arranged, and the axial direction of the lifting cylinder is vertically arranged; the bottom of the lifting support block is connected with the free end of a piston rod of the lifting oil cylinder, the top of the lifting support block is a V-shaped support surface, and two inclined surfaces forming the V-shaped support surface incline in the forward direction and the backward direction respectively; the middle part of guide block is provided with the guide way, the guide block passes through the guide way suit and is in be used for carrying out the direction of vertical movement to the lift supporting shoe on the lift supporting shoe, the guide block is connected with the lateral surface of fixed support seat.
As optimization, the floating support seat comprises an oil way valve seat, a plane positioning component and an auxiliary support oil cylinder; the plane positioning component comprises a plane positioning block, 2 guide cylinders and 2 compression springs, wherein the 2 guide cylinders are respectively arranged at two end parts of the plane positioning block, the top of each guide cylinder is connected with the bottom of the plane positioning block, and the 2 compression springs are respectively sleeved on the outer peripheral surfaces of the 2 guide cylinders; 2 guide through holes are formed in the upper end face of the middle of the oil way valve seat, 2 guide cylinders are sleeved in the 2 guide through holes respectively, and the 2 guide cylinders are arranged along the front-back direction; the top surface of the pressure spring is contacted with the bottom surface of the plane positioning block, and the bottom surface of the pressure spring is contacted with the upper end surface of the middle part of the oil way valve seat; the auxiliary supporting oil cylinder is used for preventing the axle housing from overturning circumferentially, the auxiliary supporting oil cylinder is arranged at the front part and the rear part of the oil way valve seat in a pair, an oil inlet channel and an oil outlet channel are arranged in the oil way valve seat, and the oil inlet and the oil outlet of the supporting oil cylinder are respectively connected with the oil inlet channel and the oil outlet channel.
As optimization, a detachable backing plate is arranged on the top surface of the plane positioning block; and a linear bearing is arranged between the guide cylinder and the guide through hole.
As optimization, the radial compression device comprises a base, a swing rod, a lever and a radial compression oil cylinder; the bottom of the base is fixedly connected with the foundation plate, the upper end of the base is hinged with the lower end of the swing rod, the middle part of the lever is hinged with the upper end of the swing rod, the free end of a piston rod of the radial compression oil cylinder is hinged with the rear end of the lever, and the lower end of a shell of the radial compression oil cylinder is connected with the foundation plate; the lower side surface of the front end of the lever is provided with the arc-shaped pressing plate.
As optimization, the axial compression device comprises a connecting seat, an axial compression oil cylinder, a connecting plate and a pressing rod; the bottom of connecting seat with foundation plate fixed connection, the casing bottom of axial compression hydro-cylinder and the upper portion fixed connection of connecting seat, the axial of axial compression hydro-cylinder sets up along horizontal direction level about, the one end of connecting plate is connected with the piston rod free end of axial compression hydro-cylinder, the other end of connecting plate with the left end of roof depression bar is connected, the axial of roof depression bar is parallel with the axial of axial compression hydro-cylinder.
As optimization, a proximity switch for detecting the stroke of the piston rod of the axial compression cylinder is arranged on the connecting seat.
The utility model principle of the utility model:
when the axle housing needs to be processed, the axle housing is only required to be hoisted above the device, the workpiece is quickly leveled and righted through the two floating support seats in the falling and locating process until the two end locating flanges of the workpiece are located on the two fixed support seats, then the axial locating and clamping of the workpiece can be quickly completed through the matching of the axial pressing device and the axial locating stop block, then the clamping and fixing of the locating flanges at the two ends of the axle housing can be realized through the matching of the arc-shaped pressing plate of the radial pressing device and the V-shaped support parts of the fixed support seats, the operation efficiency is greatly improved in the clamping process, manual adjustment is basically not required in the whole process, the unstable factors caused by human factors are greatly reduced, the processing precision is improved, and the processing quality is ensured. As an optimization scheme, the guide rods are arranged on the outer sides of the two fixed supporting seats respectively, and can guide the two ends of the axle housing preliminarily in the process that the axle housing falls into position, so that the axle housing can be aligned quickly, and the clamping efficiency is further improved.
On the other hand, after the axle housing is lifted from the fixed supporting seat through the lifting supporting seat, the axle housing is turned over 180 degrees manually, then the lifting supporting seat falls down again to put the axle housing back to the fixed supporting seat, axial positioning and fixing are carried out according to the method, and after radial clamping is carried out, the surface to be machined and the hole on the other side can be machined, so that the efficiency is further improved, the positioning is convenient, the machining precision is improved more easily, and the product quality is ensured.
In still another aspect, the double-end stud is arranged between the two base plates, and the distance between the two base plates can be adjusted through the double-end stud, so that the processing of axle housings of various specifications can be met, the universality of the fixing device is enhanced, and the production cost is reduced.
The utility model has the following beneficial effects: the fixing device provided by the utility model not only reduces the operation strength and improves the production efficiency, but also greatly improves the processing precision, ensures the product quality and further reduces the production cost.
Drawings
The drawings of the present utility model are described below.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a lifting support base;
FIG. 3 is a schematic view of the structure of the floating support;
FIG. 4 is a schematic structural view of a radial compression device;
FIG. 5 is a schematic structural view of an axial compression device;
fig. 6 is a schematic view of the use state of the present utility model.
In the figure: 1. a base plate; 2. lifting the supporting seat; 3. fixing the supporting seat; 4. a floating support; 5. radial compacting means; 6. an axial compression device; 7. axially positioning the stop block; 8. a double-ended screw; 21. a lifting oil cylinder; 22. lifting the supporting block; 23. a guide block; 31. a V-shaped support portion; 32. a support block; 33. a guide rod; 41. an oil way valve seat; 42. a planar positioning member; 43. An auxiliary support cylinder; 51. an arc-shaped pressing plate; 52. a base; 53. swing rod; 54. a lever; 55. radial compression oil cylinder; 61. a connecting seat; 62. an axial compression cylinder; 63. a connecting plate; 64. a pressing rod is pressed; 421. a plane positioning block; 422. a guide cylinder; 423. a pressure spring; 424. a backing plate; 1-1, an axle housing; 1-11, positioning flanges; 1-12, non-machined journals; 1-13, a plate spring slide plate seat plane; 1-14, a supporting plane of a thrust rod support; 1-15, a saddle bolt connecting plane; 1-16, axle housing overturning tool.
Description of the embodiments
The utility model is further illustrated below with reference to examples.
The fixing device for machining the axle housing 1-1 shown in fig. 1 is fixedly arranged on a machine tool workbench of a machining center and comprises 2 clamping devices, wherein the 2 clamping devices are symmetrically arranged left and right;
the single clamping device comprises a foundation plate 1, a lifting supporting seat 2, a fixed supporting seat 3, a floating supporting seat 4 and a radial pressing device 5; the base plates 1 are fixedly arranged on the machine tool workbench, the base plates 1 are horizontally arranged, in order to facilitate adjustment of the base plates, the two base plates 1 are connected through the double-headed screw 8, the distance between the two base plates 1 can be adjusted by enabling the double-headed screw 8 to rotate along the axis of the double-headed screw 8, the bottom surface of the base plates is provided with a sliding block, the machine tool workbench is provided with a sliding groove, the sliding block is arranged in the sliding groove, the sliding groove plays a guiding role, the base plates can slide left and right on the machine tool workbench so as to facilitate adjustment of the distance between the two base plates, the machining of axle housings 1-1 with different specifications is adapted, and other schemes in the prior art can be adopted for connection modes of the base plates and the machine tool workbench so as to facilitate adjustment of the base plates; the lifting support seat 2, the fixed support seat 3, the floating support seat 4 and the radial pressing device 5 are all arranged on the top surface of the foundation plate 1; the top of the fixed supporting seat 3 is provided with a V-shaped supporting part 31, and the upper part of the radial pressing device 5 is provided with an arc-shaped pressing plate 51;
one side of the 2 fixed support bases 3 opposite to each other in the left-right direction is denoted as the inner side of the fixed support base 3, and one side of the 2 fixed support bases 3 opposite to each other in the left-right direction is denoted as the outer side of the fixed support base 3; the 2 floating support seats 4 are respectively arranged on the inner sides of the 2 fixed support seats 3, and the 2 lifting support seats 2 are respectively arranged on the outer sides of the 2 fixed support seats 3; the 2 arc-shaped pressing plates 51 are respectively arranged right above the 2V-shaped supporting parts 31;
the 2 clamping devices are respectively marked as a first clamping device and a second clamping device; the outer side of the fixed supporting seat 3 of the first clamping device is also provided with an axial pressing device 6, and the outer side surface of the second clamping device is also provided with an axial positioning stop block 7.
The fixed supporting seat 3 can support the positioning flange 1-11 of the axle housing 1-1, and the fixed supporting seat 3 and the radial pressing device 5 can be matched to realize radial clamping and fixing of the positioning flange 1-11 of the axle housing 1-1; the axial positioning stop block 7 can realize axial positioning of the axle housing 1-1, and the radial compression device 5 and the axial positioning stop block 7 are matched to realize axial clamping and fixing of the axle housing 1-1; the floating support seat 4 can realize the quick alignment of the circumferential direction in the process of hoisting the axle housing 1-1 in place; the lifting supporting seat 2 can quickly support the axle housing 1-1 at the non-processing journal 1-12 so as to conveniently turn the axle housing by 180 degrees and process the other side plane and the hole.
The V-shaped supporting portion 31 includes 2 supporting inclined planes forming a V-shape, wherein the 2 supporting inclined planes incline in the forward and backward directions respectively, and a supporting block 32 is respectively arranged on the 2 supporting inclined planes, and the supporting block 32 is detachably connected with the supporting inclined planes, so that the supporting block 32 can be replaced after being worn; the top surface of the axial positioning block 7 protrudes from the top surface of the supporting block 32.
In order to facilitate quick positioning during lifting of the axle housing 1-1, the outer sides of the two fixed supporting seats 3 are respectively provided with a guide rod 33 for lifting the axle housing, and the axial direction of the guide rods 33 is vertical.
As shown in fig. 2, the lifting support base 2 comprises a lifting oil cylinder 21, a lifting support block 22 and a guide block 23; the cylinder body of the lifting cylinder 21 is fixedly arranged on the outer side surface of the fixed supporting seat 3, a piston rod of the lifting cylinder 21 is upwards arranged, and the axial direction of the lifting cylinder 21 is vertically arranged; the bottom of the lifting support block 22 is connected with the free end of a piston rod of the lifting oil cylinder 21, the top of the lifting support block 22 is a V-shaped support surface, and two inclined surfaces forming the V-shaped support surface incline in the forward direction and the backward direction respectively; the middle part of guide block 23 is provided with the guide way, guide block 23 suit is in through the guide way on the lift supporting block 22 be used for carrying out the direction of vertical removal to lift supporting block 22, guide block 23 is connected with the lateral surface of fixed support seat 3.
As shown in fig. 3, the floating support seat 4 includes an oil path valve seat 41, a plane positioning member 42, and an auxiliary support cylinder 43; the plane positioning component 42 comprises a plane positioning block 421, 2 guide cylinders 422 and 2 compression springs 423,2, wherein the guide cylinders 422 are respectively arranged at two ends of the plane positioning block 421, the top of the guide cylinder 422 is connected with the bottom of the plane positioning block 421, and the 2 compression springs 423 are respectively sleeved on the outer peripheral surfaces of the 2 guide cylinders 422; 2 guide through holes are formed in the upper end face of the middle of the oil way valve seat 41, 2 guide cylinders 422 are respectively sleeved in the 2 guide through holes, and the 2 guide cylinders 422 are arranged along the front-rear direction; the top surface of the pressure spring 423 is contacted with the bottom surface of the plane positioning block 421, and the bottom surface of the pressure spring 423 is contacted with the upper end surface of the middle part of the oil way valve seat 41; the auxiliary supporting oil cylinders 43 are used for preventing the axle housing from turning circumferentially, the auxiliary supporting oil cylinders 43 are arranged at the front and rear parts of the oil way valve seat 41 in pairs, oil inlet and outlet passages are arranged in the oil way valve seat 41, and the oil inlet and outlet of the supporting oil cylinders 43 are respectively connected with the oil inlet and outlet passages. In order to better enable the axle housing to automatically and horizontally align under the action of self gravity, the resultant force of the elastic forces of the 4 pressure springs is preferably smaller than the weight of the axle housing and larger than the gravity moment force of the dead weight of the axle housing to the axle housing axis, so that the axle housing can be prevented from overturning circumferentially and can be easily fallen onto the fixed supporting seat.
In order to facilitate disassembly and replacement, a detachable backing plate 421 is arranged on the top surface of the plane positioning block 421; a linear bearing is arranged between the guide cylinder 422 and the guide through hole, so that the influence of friction force between the guide cylinder 422 and the guide through hole on the positioning of a workpiece is reduced, and the abrasion between the guide cylinder and the guide through hole is also reduced.
As shown in fig. 4, the radial compression device 5 comprises a base 52, a swing rod 53, a lever 54 and a radial compression cylinder 55; the bottom of the base 52 is fixedly connected with the foundation plate 1, the upper end of the base 52 is hinged with the lower end of the swing rod 53, the middle part of the lever 54 is hinged with the upper end of the swing rod 53, the free end of a piston rod of the radial compression oil cylinder 55 is hinged with the rear end of the lever 54, and the lower end of a shell of the radial compression oil cylinder 55 is connected with the foundation plate 1; the lower side surface of the front end of the lever 54 is provided with the arc-shaped pressing plate 51.
As shown in fig. 5, the axial compressing device 6 includes a connecting seat 61, an axial compressing cylinder 62, a connecting plate 63 and a pushing rod 64; the bottom of connecting seat 61 with foundation plate 1 fixed connection, the casing bottom of axial compression hydro-cylinder 62 and the upper portion fixed connection of connecting seat 61, the axial of axial compression hydro-cylinder 62 sets up along left and right directions level, the one end of connecting plate 63 is connected with the piston rod free end of axial compression hydro-cylinder 62, the other end of connecting plate 63 with the left end of roof pressure pole 64 is connected, the axial of roof pressure pole 64 is parallel with the axial of axial compression hydro-cylinder 62.
For easy control, the connection seat 61 is provided with a proximity switch for detecting the stroke of the piston rod of the axial compression cylinder 62.
When the axle housing 1-1 (workpiece) is to be processed, as shown in fig. 6, the axle housing is first lifted to the position right above the present fixing device by means of a lifting tool, the two positioning flanges 1-11 are opposed to the two fixed supporting seats 3, then the lifting tool is controlled to slowly drop the workpiece, the outer peripheral surfaces of the two non-processed journals 1-12 are brought into contact with the two guide rods 33, the workpiece is continuously dropped by guiding the guide rods 33, the two saddle-bolted connection planes 1-15 are brought into contact with the top surface of the plane positioning block 421 of the floating supporting seat 4 first, the floating supporting seat rapidly and circumferentially aligns the workpiece by means of the plane positioning member 42 thereof, positions the upper side to be processed surface to the position right above, and continuously drops the workpiece until the outer peripheral surfaces of the two positioning flanges 1-11 are dropped on the V-shaped supporting portion 31 of the fixed supporting seat 3, then the axial compressing cylinder 62 of the axial compressing device 6 is controlled to act, the end face of the pushing rod 64 contacts with the end face of the workpiece, and pushes the workpiece to move axially until the other end face of the workpiece contacts with the side face of the axial positioning stop block 7, axial positioning and clamping of the workpiece are completed, when the axial positioning and compressing are completed, the PLC control system automatically gives out instructions under the action of the proximity switch, so as to drive and control the radial compressing cylinders 55 of the two radial compressing devices 5 to act, the rear end of the lever 54 is pushed to move upwards until the arc-shaped pressing plate 51 at the front part of the lever 54 contacts with the circumferential surfaces of the positioning flanges 1-11, when the pressure of hydraulic oil in the compressing cylinders 55 reaches the opening set value of the sequence valve, the sequence valve acts, the hydraulic oil pushes the auxiliary supporting cylinder to act through the corresponding oil way, so as to realize auxiliary supporting of the workpiece, thereby completing the radial clamping and fixing of the workpiece. At the moment, the steel plate spring slide plate seat plane 1-13 and the hole of the workpiece and the thrust rod support plane 1-14 and the hole can be machined.
After the machining is finished, the radial pressing cylinder 55 of the radial pressing device 5 is controlled to act, the rear end of the lever 54 is pulled to move downwards, so that the lever 54 is opened, hydraulic oil in the auxiliary supporting cylinder flows out, the auxiliary supporting pin is unloaded and retracted, then the lifting cylinder 21 of the lifting supporting seat 2 is controlled to act, the lifting supporting block 22 is lifted up until the workpiece is lifted up and separated from the plane positioning block 421, then the axle housing overturning tool 1-16 is manually utilized for approximately 180 degrees in the circumferential overturning process, then the lifting supporting block 22 is controlled to descend, after axle housing positioning plane and axial alignment are finished through the floating supporting seat 4, the workpiece falls back onto the fixed supporting seat 3, then axial clamping and fixing are carried out through the axial pressing device 6, and then the radial clamping and fixing of the workpiece are realized through the radial pressing device 5 and the auxiliary supporting device. Then the machining of the saddle bolt connection planes 1-15 and holes of the workpiece can be realized.
After the processing is finished, the axial compressing device 6 and the radial compressing device 5 are opened, so that the workpiece can be lifted out, the processing of the workpiece is finished, and then the whole device system enters the next working period.
Claims (10)
1. A fixing device for axle housing processing, fixing device is fixed to be set up on machining center's lathe workstation, its characterized in that: the fixing device comprises 2 clamping devices, and the 2 clamping devices are symmetrically arranged left and right;
the single clamping device comprises a foundation plate (1), a lifting supporting seat (2), a fixed supporting seat (3), a floating supporting seat (4) and a radial pressing device (5); the foundation plate (1) is fixedly arranged on the machine tool workbench, and the foundation plate (1) is horizontally arranged; the lifting supporting seat (2), the fixed supporting seat (3), the floating supporting seat (4) and the radial pressing device (5) are all arranged on the top surface of the foundation plate (1); the top of the fixed supporting seat (3) is provided with a V-shaped supporting part (31), and the upper part of the radial pressing device (5) is provided with an arc-shaped pressing plate (51);
the opposite side of the 2 fixed supporting seats (3) along the left-right direction is marked as the inner side of the fixed supporting seats (3), and the opposite side of the 2 fixed supporting seats (3) along the left-right direction is marked as the outer side of the fixed supporting seats (3); the 2 floating support seats (4) are respectively arranged on the inner sides of the 2 fixed support seats (3), and the 2 lifting support seats (2) are respectively arranged on the outer sides of the 2 fixed support seats (3); the 2 arc-shaped pressing plates (51) are respectively arranged right above the 2V-shaped supporting parts (31);
the 2 clamping devices are respectively marked as a first clamping device and a second clamping device; the outer side of the fixed supporting seat (3) of the first clamping device is also provided with an axial compression device (6), and the outer side surface of the second clamping device is also provided with an axial positioning stop block (7).
2. The fixture for axle housing machining as defined in claim 1, wherein: the two foundation plates (1) are connected through a double-headed screw (8), and the distance between the two foundation plates (1) can be adjusted by enabling the double-headed screw (8) to rotate along the axis of the double-headed screw.
3. The fixture for axle housing machining as defined in claim 1, wherein: the V-shaped supporting part (31) comprises 2 supporting inclined planes forming a V shape, the 2 supporting inclined planes incline forward and backward respectively, a supporting block (32) is arranged on the 2 supporting inclined planes respectively, and the supporting block (32) is detachably connected with the supporting inclined planes; the top surface of the axial positioning stop block (7) protrudes out of the top surface of the supporting block (32).
4. The fixture for axle housing machining as defined in claim 3, wherein: the outer sides of the two fixed supporting seats (3) are respectively provided with a guide rod (33) for hoisting the axle housing, and the axial direction of the guide rods (33) is vertically arranged.
5. The fixture for axle housing machining as defined in claim 1, wherein: the lifting support seat (2) comprises a lifting oil cylinder (21), a lifting support block (22) and a guide block (23); the cylinder body of the lifting cylinder (21) is fixedly arranged on the outer side surface of the fixed supporting seat (3), a piston rod of the lifting cylinder (21) is upwards arranged, and the axial direction of the lifting cylinder (21) is vertically arranged; the bottom of the lifting support block (22) is connected with the free end of a piston rod of the lifting oil cylinder (21), the top of the lifting support block (22) is a V-shaped support surface, and two inclined surfaces forming the V-shaped support surface incline forwards and backwards respectively; the middle part of guide block (23) is provided with the guide way, guide block (23) suit is in through the guide way on lift supporting shoe (22) be used for carrying out the direction of vertical movement to lift supporting shoe (22), guide block (23) are connected with the lateral surface of fixed support seat (3).
6. The fixture for axle housing machining as defined in claim 1, wherein: the floating support seat (4) comprises an oil circuit valve seat (41), a plane positioning component (42) and an auxiliary support oil cylinder (43); the plane positioning component (42) comprises a plane positioning block (421), 2 guide cylinders (422) and 2 pressure springs (423), wherein the 2 guide cylinders (422) are respectively arranged at two ends of the plane positioning block (421), the top of each guide cylinder (422) is connected with the bottom of the plane positioning block (421), and the 2 pressure springs (423) are respectively sleeved on the outer peripheral surfaces of the 2 guide cylinders (422); 2 guide through holes are formed in the upper end face of the middle of the oil way valve seat (41), 2 guide cylinders (422) are respectively sleeved in the 2 guide through holes, and the 2 guide cylinders (422) are arranged along the front-back direction; the top surface of the pressure spring (423) is contacted with the bottom surface of the plane positioning block (421), and the bottom surface of the pressure spring (423) is contacted with the upper end surface of the middle part of the oil way valve seat (41); the auxiliary support oil cylinder (43) is used for preventing the axle housing from overturning circumferentially, the auxiliary support oil cylinder (43) is arranged at the front part and the rear part of the oil way valve seat (41) in pairs, an oil inlet channel and an oil outlet channel are arranged in the oil way valve seat (41), and the oil inlet and the oil outlet of the support oil cylinder (43) are respectively connected with the oil inlet channel and the oil outlet channel.
7. The fixture for axle housing machining as defined in claim 6, wherein: a detachable backing plate (424) is arranged on the top surface of the plane positioning block (421); a linear bearing is arranged between the guide cylinder (422) and the guide through hole.
8. The fixture for axle housing machining as defined in claim 1, wherein: the radial pressing device (5) comprises a base (52), a swing rod (53), a lever (54) and a radial pressing oil cylinder (55); the bottom of the base (52) is fixedly connected with the foundation plate (1), the upper end of the base (52) is hinged with the lower end of the swing rod (53), the middle part of the lever (54) is hinged with the upper end of the swing rod (53), the free end of a piston rod of the radial compression oil cylinder (55) is hinged with the rear end of the lever (54), and the lower end of a shell of the radial compression oil cylinder (55) is connected with the foundation plate (1); the lower side surface of the front end of the lever (54) is provided with the arc-shaped pressing plate (51).
9. The fixture for axle housing machining as defined in claim 1, wherein: the axial compression device (6) comprises a connecting seat (61), an axial compression oil cylinder (62), a connecting plate (63) and a pressing rod (64); the bottom of connecting seat (61) with foundation plate (1) fixed connection, the casing bottom of axial compression hydro-cylinder (62) and the upper portion fixed connection of connecting seat (61), the axial of axial compression hydro-cylinder (62) is along controlling the direction level setting, the one end of connecting plate (63) is connected with the piston rod free end of axial compression hydro-cylinder (62), the other end of connecting plate (63) with the left end of roof depression bar (64) is connected, the axial of roof depression bar (64) is parallel with the axial of axial compression hydro-cylinder (62).
10. The fixture for axle housing machining of claim 9, wherein: the connecting seat (61) is provided with a proximity switch for detecting the stroke of a piston rod of the axial compression oil cylinder (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320785136.2U CN219633203U (en) | 2023-04-11 | 2023-04-11 | Fixing device for axle housing processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320785136.2U CN219633203U (en) | 2023-04-11 | 2023-04-11 | Fixing device for axle housing processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219633203U true CN219633203U (en) | 2023-09-05 |
Family
ID=87821884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320785136.2U Active CN219633203U (en) | 2023-04-11 | 2023-04-11 | Fixing device for axle housing processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219633203U (en) |
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2023
- 2023-04-11 CN CN202320785136.2U patent/CN219633203U/en active Active
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