CN210588288U - Positioning and clamping composite device for machining differential mechanism shell assembly - Google Patents
Positioning and clamping composite device for machining differential mechanism shell assembly Download PDFInfo
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- CN210588288U CN210588288U CN201921210903.7U CN201921210903U CN210588288U CN 210588288 U CN210588288 U CN 210588288U CN 201921210903 U CN201921210903 U CN 201921210903U CN 210588288 U CN210588288 U CN 210588288U
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Abstract
The utility model discloses a positioning and clamping composite device for processing a differential mechanism shell assembly, which comprises a fourth shaft mechanism arranged on a machine tool workbench, a positioning mechanism arranged on one side surface of the fourth shaft mechanism provided with a dividing plate, a clamping mechanism used for clamping the differential mechanism shell assembly and a feeding mechanism used for feeding and discharging materials; when the clamping mechanism is used, the clamping mechanism sequentially and transversely penetrates through the fourth shaft mechanism, the positioning mechanism and the differential mechanism shell assembly. The utility model discloses a transversely assemble fourth shaft mechanism, positioning mechanism and feeding mechanism in proper order along the straight line on the lathe workstation, rational layout realizes that differential mechanism casing assembly material loading, location and assembly, clamp tightly, operations such as cross shaft hole rapid tooling and unloading are incessant in succession, have improved the machining efficiency in differential mechanism casing assembly cross shaft hole greatly.
Description
Technical Field
The utility model relates to a differential mechanism housing assembly technical field specifically is a location clamping set composite for processing differential mechanism housing assembly.
Background
In the prior art, the die used in the process of machining the cross-shaped shaft hole of the differential shell assembly has the following technical defects:
1. lack the last unloading mechanism: the differential mechanism shell assembly has heavier self weight and smaller matching tolerance with a die, cannot be aligned at one time when being combined with the die, has more times of adjustment, causes inconvenient disassembly after the differential mechanism shell assembly is processed, and has the problems of jamming, axial positioning pin fracture and the like;
2. lack of a quick clamping, positioning mechanism: at present, the differential shell assembly is connected with the mold through bolts in a clamping mode, non-processing time is greatly prolonged due to a plurality of bolt connection points, labor intensity of operators is high, in addition, frequent dismounting and mounting of the bolts damage the bolt holes to a certain degree, so that the used mold needs to be replaced regularly, and the cost of the mold is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a location clamping set composite for processing differential mechanism casing assembly to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a positioning and clamping composite device for machining a differential housing assembly comprises a fourth shaft mechanism arranged on a machine tool workbench, a positioning mechanism arranged on one side face of the fourth shaft mechanism provided with an index plate, a clamping mechanism used for clamping the differential housing assembly and a feeding mechanism used for feeding and discharging materials;
the fourth shaft mechanism, the positioning mechanism and the feeding mechanism are sequentially arranged on a machine tool workbench along a straight line, and the rotation center of a differential shell assembly arranged on the feeding mechanism, the rotation center of the fourth shaft mechanism and the rotation center of the positioning mechanism are superposed;
clamping mechanism transversely runs through in proper order when using fourth shaft mechanism positioning mechanism and differential mechanism housing assembly, clamping mechanism includes the pull rod, sets up the spacing subassembly that is close to differential mechanism housing assembly one side tip at the pull rod and sets up the pneumatic cylinder assembly that is close to fourth shaft mechanism one side tip at the pull rod.
As a further aspect of the present invention: the positioning mechanism comprises a positioning seat, a transition disc, a circle center positioning sleeve and an angle positioning pin;
the back surface of the positioning seat, which is close to the fourth shaft mechanism, is provided with a counter bore, and the transition disc is matched with the counter bore on the back surface of the positioning seat;
the positioning seat is connected with the fourth shaft mechanism through the transition disc and the circle center positioning sleeve arranged in the middle of the transition disc.
As a further aspect of the present invention: the front surface of the positioning seat mounting differential shell assembly is of a concave conical structure, and an annular limiting disc is arranged on the outer side of the large end face of the conical structure;
the outer convex surface of differential mechanism housing assembly one end and the interior concave surface contact cooperation of toper structure, and differential mechanism housing assembly's disc with spacing dish contact realizes horizontal spacing and realizes that circumference is spacing through angle locating pin.
As a further aspect of the present invention: a cylindrical through hole is transversely formed in the middle of the positioning seat in a penetrating manner;
and a supporting component for assisting in supporting the clamping mechanism is arranged in the cylindrical through hole.
As a further aspect of the present invention: the middle part of the transition disc is transversely provided with a central hole in a penetrating manner, and the end face, close to the fourth shaft mechanism, of the transition disc is provided with a key hole;
the circle center positioning sleeve is arranged in the circle center hole, and one end of the circle center positioning sleeve extends out of the transition disc to be connected with the dividing disc of the fourth shaft mechanism.
As a further aspect of the present invention: the key hole is provided with more than one key hole, the distances between the center of the transition disc and the centers of the key holes are equal, and a positioning key for positioning the dividing disc of the fourth shaft mechanism is arranged in one key hole.
As a further aspect of the present invention: the clamping mechanism also comprises an auxiliary component arranged on the pull rod;
the auxiliary assembly is matched with the supporting assembly arranged in the cylindrical through hole.
As a further aspect of the present invention: the limiting assembly of the clamping mechanism comprises a quick-change piece arranged on the pull rod, a compression nut screwed at the end part of the pull rod and a U-shaped pressing plate arranged between the compression nut and the quick-change piece.
As a further aspect of the present invention: the feeding mechanism comprises a sliding seat fixedly arranged on a machine tool workbench, a guide rail transversely arranged in the middle of the upper surface of the sliding seat and a centering assembly transversely moving along the guide rail;
the upper surface of the sliding seat is fixedly provided with stop blocks positioned at two ends of the guide rail, and one end of the lower surface of the sliding seat is provided with a positioning block.
As a further aspect of the present invention: the centering assembly comprises a sliding block matched with the guide rail and transversely moving along the guide rail and a centering seat arranged on the upper part of the sliding block through an adjustable transition plate;
and the upper part of the centering seat is provided with an inner concave arc-shaped groove matched with the outer contour of the differential mechanism shell assembly.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the positioning, clamping and compounding device for machining the differential shell assembly is arranged to comprise a fourth shaft mechanism, a positioning mechanism, a clamping mechanism and a feeding mechanism, and the fourth shaft mechanism, the positioning mechanism and the feeding mechanism are sequentially assembled on a machine tool workbench along a straight line in a transverse direction, so that the fourth shaft mechanism, the feeding mechanism, the positioning mechanism and the clamping mechanism are reasonably arranged on the machine tool workbench and are matched with one another to work, continuous and uninterrupted operations such as feeding, positioning and assembling, clamping, rapid machining and blanking of a cross shaft hole of the differential shell assembly are realized, and the machining efficiency of the cross shaft hole of the differential shell assembly is greatly improved;
(2) through the arranged feeding mechanism, the problems of damage, inconvenience in disassembly and the like of the differential shell assembly caused by factors such as heavy mass of the differential shell assembly, small matching tolerance between the differential shell assembly and the positioning mechanism, limited operation space and the like are solved, the possibility that the differential shell assembly needs to be aligned for multiple times when being assembled with the positioning mechanism, the phenomena of blocking, axial positioning pin fracture and the like are caused is reduced, the feeding mechanism ensures accurate positioning and quick assembly between the differential shell assembly and the positioning mechanism, and the processing quality of the differential shell assembly is improved;
(3) the defects of non-processing time increase, high labor intensity of operators and the like caused by clamping modes such as bolt connection and the like in the prior art are overcome by the aid of the positioning mechanism and the clamping mechanism, and meanwhile, compared with the defects that bolts are frequently disassembled and easily damaged, the positioning mechanism and the clamping mechanism are short in service life, cost increase is caused by periodic replacement and the like caused by the bolt connection and clamping mode, the differential shell assembly is clamped and loosened by the aid of the hydraulic cylinder assembly, operation is simple and convenient, damage is not prone to occurring, the hydraulic cylinder assembly is reliably clamped, and use safety in the differential shell assembly processing process is improved;
(4) the auxiliary assembly of the clamping mechanism is matched with the supporting assembly in the cylindrical through hole, so that the flexible deformation of a pull rod of the clamping mechanism due to long overhang can be effectively prevented; meanwhile, the auxiliary assembly is arranged to be of a structure comprising the bearing seat and the deep groove ball bearing, so that dry friction can be effectively avoided by means of the rolling characteristic of the deep groove ball bearing, and the damage speed of the auxiliary assembly is reduced;
(5) the limiting component arranged at one end of the pull rod comprises a quick-change part, a compression nut and a U-shaped pressing plate, and the quick-change part can be quickly taken out and replaced on the pull rod by utilizing the characteristic that the U-shaped pressing plate can be quickly plugged and pulled out, so that the aim of quickly assembling and disassembling the differential mechanism shell assembly is fulfilled; the compression nut screwed and fastened at the end part of the pull rod plays a role in force transmission in the whole clamping mechanism, and the adjustment of the actual working stroke length of the pull rod can be realized by adjusting the screwing length between the compression nut and the pull rod;
(6) through setting the quick change piece to including centering bearing frame and single-row tapered roller bearing isotructure for in the course of working in differential mechanism housing assembly cross shaft hole, the quick change piece can realize waiting to process differential mechanism housing assembly and realize 360 free rotations and can not cause the pull rod to take place distortion, has alleviateed the quick change piece itself and has taken place dry friction scheduling problem in the course of the work, has improved whole clamping mechanism's result of use.
Drawings
FIG. 1 is a schematic structural view of a positioning and clamping composite device for machining a differential case assembly according to the present invention;
fig. 2 is a schematic structural diagram of a fourth shaft mechanism of the present invention;
fig. 3 is a sectional view of the positioning mechanism of the present invention;
FIG. 4 is a schematic view of the clamping mechanism according to the present invention;
fig. 5 is a schematic structural view of the clamping mechanism of the present invention;
fig. 6 is a schematic structural view of the feeding mechanism of the present invention;
FIG. 7 is a first operating state diagram of the positioning and clamping assembly for machining a differential housing assembly of the present invention;
FIG. 8 is a second operating state diagram of the positioning and clamping assembly for machining a differential housing assembly of the present invention;
fig. 9 is a third working state diagram of the positioning and clamping composite device for processing the differential housing assembly of the present invention.
In the figure:
1-a fourth shaft mechanism, 11-a fourth shaft body and 12-an index plate;
2-a positioning mechanism, 21-a positioning seat, 22-a transition disc, 23-a circle center positioning sleeve, 24-an angle positioning pin, 25-a supporting component and 26-a positioning key;
201-counter bore, 202-limiting disc, 203-keyhole;
3-clamping mechanism, 31-pull rod, 32-limit component, 321-quick change component, 322-gland nut, 323-U-shaped pressure plate, 33-hydraulic cylinder assembly and 34-auxiliary component;
4-a feeding mechanism, 41-a sliding seat, 42-a guide rail, 43-a centering component, 431-a sliding block, 432-a centering seat, 433-an adjustable transition plate, 44-a baffle block, 45-a positioning block and 401-an inner concave arc groove;
5-a differential housing assembly;
6-machine tool workbench.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a positioning and clamping composite device for machining a differential housing assembly comprises a fourth shaft mechanism 1 arranged on a machine tool workbench 6, a positioning mechanism 2 arranged on one side surface of the fourth shaft mechanism provided with an index plate, a clamping mechanism 3 used for clamping the differential housing assembly 5, and a feeding mechanism 4 used for feeding and discharging materials;
the fourth shaft mechanism 1, the positioning mechanism 2 and the feeding mechanism 4 are sequentially arranged on a machine tool workbench 6 along a straight line, and the rotation center of a differential shell assembly 5 arranged on the feeding mechanism 4, the rotation center of the fourth shaft mechanism 1 and the rotation center of the positioning mechanism 2 are superposed;
The fourth shaft mechanism 1, the positioning mechanism 2 and the feeding mechanism 4 are sequentially and transversely arranged on the machine tool workbench 6 along a straight line, one surface of the positioning mechanism 2 is connected with one surface of the fourth shaft mechanism 1, which is provided with the index plate 12, the other surface of the positioning mechanism 2 is used for installing the differential housing assembly 5 to be processed, when the differential housing assembly is used, the hydraulic cylinder assembly 33 of the clamping mechanism 3 is positioned on one side of the fourth shaft mechanism 1, which is not provided with the index plate 12, and the pull rod 31 of the clamping mechanism 3 sequentially and transversely penetrates through the fourth shaft mechanism 1 and the positioning mechanism 2 and extends out of one side of the positioning mechanism 2.
After the fourth shaft mechanism 1, the positioning mechanism 2 and the feeding mechanism 4 are sequentially installed on the machine tool workbench 6, the differential case assembly 5 to be processed is placed on the feeding mechanism 4, so that the rotation center of the differential case assembly 5 with the processing placed on the feeding mechanism 4, the rotation center of the positioning mechanism 2, the rotation center of the fourth shaft mechanism 1 and the rotation center of the clamping mechanism 3 are overlapped, the differential case assembly 5 to be processed is pushed to one side of the positioning mechanism 2 through the feeding mechanism 4, and accurate positioning and rapid installation between the differential case assembly 5 to be processed and the positioning mechanism 2 can be achieved.
After the differential case assembly 5 to be processed is assembled on the positioning mechanism 2, the feeding mechanism 4 returns to the initial position; a limiting component 32 of the clamping mechanism 3 is tightly fixed at the other end of a pull rod 31 of the clamping mechanism, so that the fourth shaft mechanism 1, the positioning mechanism 2 and the differential case assembly 5 to be processed penetrate through the pull rod 31 and are positioned between a hydraulic cylinder assembly 33 and the limiting component 32; after the differential case assembly 5 to be processed is assembled on the positioning and clamping composite device, the hydraulic cylinder assembly 33 at one end of the clamping mechanism 3 is started, the differential case assembly 5 to be processed, which is positioned between the limiting component 32 and the positioning mechanism 2, is tensioned by utilizing the telescopic function of the hydraulic cylinder assembly 33, namely, the hydraulic cylinder assembly 33 of the clamping mechanism 3 applies tensioning force to the differential case assembly 5 to be processed, so that the differential case assembly 5 to be processed is clamped.
After the clamping mechanism 3 tensions the differential case assembly 5 to be processed, the positioning mechanism 2 and the fourth shaft mechanism 1, the hydraulic cylinder assembly 33 stops working, and the fourth shaft mechanism 1 is started, so that the index plate 12 of the fourth shaft mechanism 1 drives the positioning mechanism 2 and the differential case assembly 5 to be processed, which is arranged on one side of the positioning mechanism 2, to rotate and position 90/360 degrees, and further, the cross-shaped shaft hole on the differential case assembly 5 is processed.
After the cross-shaped shaft hole on the differential mechanism shell assembly 5 is processed, the fourth shaft mechanism 1 stops working, and the feeding mechanism 4 transversely moves to the processed differential mechanism shell assembly 5 and is ready for receiving the processed differential mechanism shell assembly 5; then, the hydraulic cylinder assembly 33 of the clamping mechanism 3 is started, and the processed differential case assembly 5 is loosened by utilizing the telescopic function of the hydraulic cylinder assembly 33; after the limiting component 32 at one end of the clamping mechanism 3 is removed, the processed differential case assembly 5 can be placed on the feeding mechanism 4, and the processed differential case assembly 5 is driven by the feeding mechanism 4 to realize blanking operation.
After the feeding mechanism 4 conveys the machined differential case assembly 5 to a blanking position, the machined differential case assembly is manually or through other equipment detached from the feeding mechanism 4, the feeding mechanism 4 prepares for the feeding operation of the next differential case assembly 5 to be machined, and the whole positioning, clamping and compounding device repeats the above work.
Through setting the positioning and clamping composite device for machining the differential housing assembly to include the fourth shaft mechanism 1, the positioning mechanism 2, the clamping mechanism 3 and the feeding mechanism 4, the fourth shaft mechanism 1, the feeding mechanism 4, the positioning mechanism 2 and the clamping mechanism 3 are mutually matched, continuous uninterrupted feeding, positioning, assembling, clamping, machining, blanking and other operations of the differential housing assembly 5 are realized, and the machining efficiency of the cross-shaped shaft hole of the differential housing assembly 5 is greatly improved.
Referring to fig. 2, the fourth shaft mechanism 1 includes a fourth shaft body 11 integrated with a fourth shaft structure inside, and an index plate 12 disposed on one side of the fourth shaft body 11, a step is milled on a lower portion of the fourth shaft body 11, and the fourth shaft mechanism 1 is connected to the machine tool table 6 through the step milled on the lower portion of the fourth shaft body 11 and realizes a limit on the machining table along a direction of the guide rail 42; the indexing disc 12 can realize indexing and positioning of the differential housing assembly 5 in the circumferential direction, and further realize quick and accurate machining of a cross-shaped shaft hole in the differential housing assembly 5.
Referring to fig. 3 and 4, the positioning mechanism 2 includes a positioning seat 21, a transition disc 22, a circle center positioning sleeve 23, and an angle positioning pin 24;
a counter bore 201 is formed in the back face, close to the fourth shaft mechanism, of the positioning seat 21, and the transition disc 22 is matched with the counter bore 201 in the back face of the positioning seat;
the positioning seat 21 is connected with the fourth shaft mechanism 1 through the transition disc 22 and the circle center positioning sleeve 23 installed in the middle of the transition disc.
The front surface of the positioning seat 21 for mounting the differential case assembly 5 is of a concave conical structure, and the outer side of the large end surface of the conical structure is provided with an annular limiting disc 202;
the outer convex surface of one end of the differential case assembly 5 is in contact fit with the inner concave surface of the conical structure, and the disc of the differential case assembly 5 is in contact with the limiting disc 202 to realize transverse limiting and realize circumferential limiting through the angle positioning pin 24.
A cylindrical through hole is transversely formed in the middle of the positioning seat 21 in a penetrating manner; and a supporting component 25 for assisting in supporting the clamping mechanism 3 is arranged in the cylindrical through hole.
A central hole is transversely formed in the middle of the transition disc 22 in a penetrating mode, and a key hole 203 is formed in the end face, close to the fourth shaft mechanism, of the transition disc 22;
the circle center positioning sleeve 23 is installed in the circle center hole, and one end of the circle center positioning sleeve 23 extends out of the transition disc 22 to be connected with the dividing disc 12 of the fourth shaft mechanism 1.
More than one key hole 203 is formed, the distances between the center of the transition disc 22 and the centers of the key holes 203 are equal, and a positioning key 26 for positioning the indexing disc 12 of the fourth shaft mechanism is arranged in one key hole 203.
The positioning mechanism 2 is assembled on the positioning seat 21 through the transition disc 22, the circle center positioning sleeve 23, the positioning key 26 and the like, so that one section of the transition disc 22, one section of the circle center positioning sleeve 23 and the positioning key 26 are connected with the indexing disc 12 of the fourth shaft mechanism 1, and the superposition of the rotation center of the positioning seat 21 and the rotation center of the indexing disc 12 of the fourth shaft mechanism is realized; between positioning seat 21 and the transition dish 22, all carry out fastening connection through the angle position sleeve and the hexagon socket head cap screw that set up between transition dish 22 and the fourth shaft mechanism 1, wherein, angle position sleeve and hexagon socket head cap screw play circumference limiting displacement to positioning seat 21.
The positioning seat 21 is connected with the laminating through the transition disc 22 one side and the fourth shaft mechanism graduated disk 12 one side that merge in the pit 201, simultaneously, through the 3 pull rods 31 of clamping mechanism and connecting pieces such as angle position sleeve that run through positioning seat 21 and transition disc 22 middle part realize with the fourth shaft mechanism 1 between be connected for form one side two round pin structure after the equipment between positioning mechanism 2 and the fourth shaft mechanism 1, guaranteed the degree of accuracy of equipment between positioning mechanism 2 and the fourth shaft mechanism 1.
Referring to fig. 5, the clamping mechanism 3 further includes an auxiliary assembly 34 mounted on the pull rod; the auxiliary assembly 34 cooperates with the support assembly 25 housed in the cylindrical through hole.
The limiting component 32 of the clamping mechanism 3 comprises a quick-change element 321 mounted on the pull rod, a compression nut 322 screwed on the end of the pull rod, and a U-shaped pressing plate 323 arranged between the compression nut and the quick-change element.
The auxiliary assembly 34 of the clamping mechanism 3 is arranged in the middle of the pull rod 31, the supporting assembly 25 is arranged in the cylindrical through hole of the positioning seat 21, and when the clamping mechanism 3 is assembled, the auxiliary assembly 34 in the middle of the clamping mechanism 3 is matched with the supporting assembly 25 in the cylindrical through hole; specifically, the auxiliary assembly 34 comprises a bearing seat and a deep groove ball bearing arranged in the bearing seat, the auxiliary assembly 34 is arranged on the pull rod 31 of the clamping mechanism 3 and is matched with the supporting assembly 25 for use, the pull rod 31 of the clamping mechanism 3 can be effectively prevented from being flexibly deformed due to overlong overhang, meanwhile, the auxiliary assembly 34 is arranged to comprise the bearing seat and the deep groove ball bearing, dry friction can be effectively avoided by means of the rolling characteristic of the deep groove ball bearing, and the damage speed of the auxiliary assembly 34 is reduced.
The limiting assembly 32 arranged at one end of the pull rod 31 comprises a quick-change part 321, a compression nut 322 and a U-shaped pressing plate 323, when the differential case assembly is used, the U-shaped pressing plate 323 can be quickly inserted into the pull rod 31 and also can be quickly pulled out of the pull rod 31, and the quick-change part 321 can be quickly taken out and replaced on the pull rod 31 by utilizing the characteristic that the U-shaped pressing plate 323 can be quickly inserted and pulled out, so that the aim of quickly assembling and disassembling the differential case assembly 5 is fulfilled; the compression nut 322 screwed and fastened at the end of the pull rod 31 plays a role in transmitting force in the whole clamping mechanism 3, and the adjustment of the actual working stroke length of the pull rod 31 can be realized by adjusting the screwing length between the compression nut 322 and the pull rod 31.
The quick-change piece 321 comprises a centering bearing seat and a single-row tapered roller bearing arranged in the centering bearing seat, the quick-change piece 321 consisting of the centering bearing seat, the single-row tapered roller bearing and the like is similar to an ejector pin structure, 360-degree free rotation of the differential housing assembly 5 to be processed can be realized in the processing process of a cross-shaped shaft hole of the differential housing assembly 5, the tension rod 31 cannot be distorted and deformed, the problems that the quick-change piece 321 generates dry friction in the working process and the like are solved, and the using effect of the whole clamping mechanism 3 is improved.
Referring to fig. 6, the feeding mechanism 4 includes a slide 41 fixedly mounted on the machine tool table, a guide rail 42 transversely disposed at the middle of the upper surface of the slide, and a centering assembly 43 transversely moving along the guide rail;
the upper surface of the sliding base 41 is fixedly provided with a stop block 44 positioned at two ends of the guide rail 42, and one end of the lower surface is provided with a positioning block 45.
The centering assembly 43 comprises a sliding block 431 which is matched with the guide rail and transversely moves along the guide rail, and a centering seat 432 which is arranged at the upper part of the sliding block through an adjustable transition plate 433;
the upper part of the centering seat 432 is provided with an inner concave arc-shaped groove 401 matched with the outer contour of the differential housing assembly 5.
When the centering mechanism is used, the differential case assembly 5 is placed in the inner concave arc-shaped groove 401 of the centering seat 432 of the centering component 43, the outer convex contour of the differential case assembly 5 is matched with the inner concave groove of the centering seat 432, and the central line of the differential case assembly 5 placed on the centering seat 432, the central line of the positioning mechanism 2 and the central line of the fourth shaft mechanism 1 can be ensured to be in the same vertical plane through the sliding block 431 arranged at one end of the lower surface of the sliding seat 41, which is far away from the positioning mechanism 2; the centering assembly 43 can drive the differential case assembly 5 to move along the guide rail 42 on the upper surface of the sliding seat 41, and the sliding block 431 of the centering assembly 43 is matched with the guide rail 42, so that the smoothness of the centering assembly 43 driving the differential case assembly 5 to move along the guide rail 42 is improved; by arranging the stoppers 44 at the two ends of the guide rail 42 respectively and limiting the height of the two stoppers 44 to be larger than the height of the guide rail 42, the phenomena that the centering assembly 43 exceeds the working stroke and falls off from the guide rail 42 when moving along the guide rail 42 can be effectively prevented, and the safety of the feeding mechanism 4 in use is improved.
The stop blocks 44 arranged at the two ends of the guide rail 42 are of a convex structure with a small upper part and a large lower part, the lower surface of the stop block 44 is attached to the upper surface of the slide base 41 and is fastened through fasteners such as bolts, the stop blocks 44 are of the convex structures with the small upper part and the large lower part, the contact area between the lower surface of the stop block 44 and the upper surface of the slide base 41 is increased, and the firmness of connection between the stop blocks 44 and the slide base 41 is ensured.
When the adjusting device is used, the adjustable transition plate 433 of the centering component 43 is adjusted to adjust the rotation center of the centering seat 432, so that the rotation center of the differential housing assembly 5 placed on the centering seat 432, the rotation center of the positioning mechanism 2 and the rotation center of the fourth shaft mechanism 1 are mutually overlapped, the contact ratio of the three parts is ensured, accurate and rapid feeding and discharging of the differential housing assembly 5 by the feeding mechanism 4 are realized, and the feeding and discharging efficiency of the differential housing assembly 5 is improved. The adjustable transition plate 433 of the centering assembly 43 is a block-shaped structure connected by two adjusting screws, the adjusting screws are screwed with the two block-shaped structures of the adjustable transition plate 433, and during adjustment, the adjusting screws are rotated to change the screwing length between the adjusting screws and the block-shaped structures, so that fine adjustment of the distance between the two block-shaped structures is realized; the adjustable transition plate 433 is fixedly connected with the centering seat 432, the position of the centering seat 432 perpendicular to the direction of the guide rail 42 can be realized by finely adjusting the position of the block structure perpendicular to the direction of the guide rail 42, the contact ratio among the turning center of the differential housing assembly 5, the turning center of the positioning mechanism 2 and the turning center of the fourth shaft mechanism 1, which are placed on the centering seat 432, is ensured by fine adjustment, and the accurate and quick feeding operation and the blanking operation of the feeding mechanism 4 are realized.
Referring to fig. 7-9, the positioning, clamping and assembling composite device for machining the differential case assembly is configured to include the fourth shaft mechanism 1, the positioning mechanism 2, the clamping mechanism 3 and the feeding mechanism 4, and the fourth shaft mechanism 1, the positioning mechanism 2 and the feeding mechanism 4 are sequentially assembled on the machine tool worktable 6 along a straight line in a transverse direction, so that the fourth shaft mechanism 1, the positioning mechanism 2 and the feeding mechanism 4 are reasonably arranged and firmly assembled on the machine tool worktable 6, continuity of processes of feeding, positioning and assembling, rapid machining of the cross-shaped shaft hole and blanking of the differential case assembly 5 is ensured, and machining efficiency of the cross-shaped shaft hole of the differential case assembly 5 is improved.
Referring to fig. 7, in a first working state of the positioning and clamping composite device for machining the differential case assembly, the differential case assembly 5 to be machined is mounted on the centering assembly 43 of the feeding mechanism 4, and the rotation center of the differential case assembly 5 to be machined is finely adjusted as necessary so as to be overlapped with the rotation center of the positioning mechanism 2 and the rotation center of the fourth shaft mechanism 1.
As shown in fig. 8, in a second working state of the positioning and clamping composite device for machining the differential case assembly, the centering assembly 43 drives the differential case assembly 5 to be machined to move to the installation position along the guide rail 42 at the middle of the upper surface of the sliding seat 41, so as to accurately position the differential case assembly 5 to be machined on the positioning mechanism 2, and quickly install the differential case assembly 5 to be machined on the positioning mechanism 2. After the differential case assembly 5 to be processed is installed, the limiting component 32 of the clamping mechanism 3 is quickly installed to one end of the pull rod 31, and the hydraulic cylinder assembly 33 of the clamping mechanism 3 is started to clamp the differential case assembly 5 to be processed, so that the assembling firmness between the differential case assembly 5 to be processed and the positioning mechanism 2 is ensured.
As shown in fig. 9, in a third working state of the positioning and clamping composite device for machining the differential case assembly, after the differential case assembly 5 to be machined is assembled on the positioning mechanism 2, the centering assembly 43 of the feeding mechanism 4 moves along the guide rail 42 and returns to the initial position, and after the cross-shaped shaft hole of the differential case assembly 5 to be machined is machined, the differential case assembly 5 is subjected to blanking operation. If the differential case assembly 5 is processed after the cross-shaped shaft hole is processed, when the clamping mechanism 3 releases the differential case assembly 5, the processed differential case assembly 5 is manually and directly taken out from the positioning mechanism 2, and the feeding mechanism 4 at the initial position waits for the next feeding operation of the differential case assembly 5 to be processed.
Through the arranged feeding mechanism 4, the problems that the differential shell assembly 5 is damaged and inconvenient to disassemble and the like caused by factors such as heavy weight of the differential shell assembly 5, small matching tolerance between the differential shell assembly 5 and the positioning mechanism 2, limited operation space and the like are solved, the phenomena of multiple alignment, blocking, axial positioning pin fracture and the like when the differential shell assembly is assembled with the positioning mechanism 2 are eliminated, the feeding mechanism 4 ensures accurate positioning and rapid assembly between the differential shell assembly 5 and the positioning mechanism 2, and the processing quality of the differential shell assembly 5 is ensured;
through the arrangement of the positioning mechanism 2 and the clamping mechanism 3, the defects of non-processing time increase, high labor intensity of operators and the like caused by the clamping modes such as bolt connection and the like in the prior art are overcome, meanwhile, compared with the defects that bolts are frequently disassembled and easily damaged due to the bolt connection mode, the positioning mechanism 2 is short in service life, cost increase caused by periodic replacement and the like, the differential shell assembly 5 is clamped and loosened through the hydraulic cylinder assembly 33 adopting the clamping mechanism, the operation is simple and convenient, the damage is not easy to damage, the hydraulic cylinder assembly 33 is reliably clamped, and the use safety in the processing process of the differential shell assembly 5 is improved;
a hydraulic cylinder assembly 33 arranged at one end of the clamping mechanism 3 is used for clamping and loosening the differential case assembly 5, and a limiting component 32 arranged at the other end of the clamping mechanism realizes quick limiting of the differential case assembly 5, so that the machining efficiency of the differential case assembly 5 is further improved.
In addition, when the specifications of the differential case assemblies are different and the cross-shaped shaft holes of different differential case assemblies are required to be switched to be machined, only the positions of parts such as the positioning seat of the positioning mechanism, the angle positioning pin, the centering seat of the feeding mechanism and the like are required to be adjusted, so that the accurate feeding operation, the rapid positioning and assembling, the reliable clamping and releasing, the rapid blanking and other operations of the cross-shaped shaft holes of the differential case assemblies with different specifications can be compatibly realized, the application range of the positioning and clamping composite device is expanded, the machining of the cross-shaped shaft holes on the differential case assemblies with various specifications is met, and the popularization and the use are.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a location clamping set composite set for processing differential mechanism housing assembly, is including fourth shaft mechanism (1) of dress on lathe workstation (6), its characterized in that: the device also comprises a positioning mechanism (2) arranged on one side surface of the fourth shaft mechanism provided with an index plate, a clamping mechanism (3) used for clamping a differential mechanism shell assembly (5) and a feeding mechanism (4) used for feeding and discharging materials;
the fourth shaft mechanism (1), the positioning mechanism (2) and the feeding mechanism (4) are sequentially arranged on a machine tool workbench (6) along a straight line, and the rotation center of a differential shell assembly (5) arranged on the feeding mechanism (4), the rotation center of the fourth shaft mechanism (1) and the rotation center of the positioning mechanism (2) are superposed;
clamping mechanism (3) transversely runs through in proper order when using fourth shaft mechanism (1) positioning mechanism (2) and differential mechanism housing assembly (5), clamping mechanism (3) include pull rod (31), set up spacing subassembly (32) that are close to differential mechanism housing assembly one side tip at the pull rod and set up hydraulic cylinder assembly (33) that are close to fourth shaft mechanism one side tip at the pull rod.
2. The positioning and clamping composite device for machining the differential case assembly according to claim 1, wherein: the positioning mechanism (2) comprises a positioning seat (21), a transition disc (22), a circle center positioning sleeve (23) and an angle positioning pin (24);
a counter bore (201) is formed in the back face, close to the fourth shaft mechanism, of the positioning seat (21), and the transition disc (22) is matched with the counter bore (201) in the back face of the positioning seat;
the positioning seat (21) is connected with the fourth shaft mechanism (1) through the transition disc (22) and the circle center positioning sleeve (23) arranged in the middle of the transition disc.
3. The positioning and clamping composite device for machining the differential case assembly according to claim 2, wherein: the front surface of the positioning seat (21) for mounting the differential case assembly (5) is of a concave conical structure, and the outer side of the large end surface of the conical structure is provided with an annular limiting disc (202);
an outer convex surface at one end of the differential housing assembly (5) is in contact fit with an inner concave surface of the conical structure, and a disc of the differential housing assembly (5) is in contact with the limiting disc (202) to realize transverse limiting and realize circumferential limiting through the angle positioning pin (24).
4. The positioning and clamping composite device for machining the differential case assembly according to claim 2 or 3, wherein: the middle part of the positioning seat (21) is transversely provided with a cylindrical through hole in a penetrating manner;
and a supporting component (25) for assisting in supporting the clamping mechanism (3) is arranged in the cylindrical through hole.
5. The positioning and clamping composite device for machining the differential case assembly according to claim 2, wherein: the middle part of the transition disc (22) is transversely provided with a central hole in a penetrating manner, and the end surface of the transition disc (22) close to the fourth shaft mechanism is provided with a key hole (203);
the circle center positioning sleeve (23) is arranged in the circle center hole, and one end of the circle center positioning sleeve (23) extends out of the transition disc (22) to be connected with the dividing disc (12) of the fourth shaft mechanism (1).
6. The positioning and clamping composite device for machining the differential case assembly according to claim 5, wherein: more than one key hole (203) is formed, the distances between the center of the transition disc (22) and the centers of the key holes (203) are equal, and a positioning key (26) used for positioning the fourth shaft mechanism index plate (12) is arranged in one key hole (203).
7. The positioning and clamping composite device for machining the differential case assembly according to claim 4, wherein: the clamping mechanism (3) further comprises an auxiliary component (34) arranged on the pull rod;
the auxiliary assembly (34) cooperates with a support assembly (25) housed in the cylindrical through hole.
8. The positioning and clamping composite device for machining the differential case assembly according to claim 1 or 7, wherein: the limiting assembly (32) of the clamping mechanism (3) comprises a quick-change piece (321) arranged on the pull rod, a compression nut (322) screwed at the end part of the pull rod and a U-shaped pressing plate (323) arranged between the compression nut and the quick-change piece.
9. The positioning and clamping composite device for machining the differential case assembly according to claim 1, wherein: the feeding mechanism (4) comprises a sliding seat (41) fixedly arranged on a machine tool workbench, a guide rail (42) transversely arranged in the middle of the upper surface of the sliding seat and a centering assembly (43) transversely moving along the guide rail;
the upper surface of the sliding seat (41) is fixedly provided with a stop block (44) positioned at two ends of the guide rail (42), and one end of the lower surface is provided with a positioning block (45).
10. The positioning and clamping composite device for machining the differential case assembly according to claim 9, wherein: the centering assembly (43) comprises a sliding block (431) matched with the guide rail and transversely moving along the guide rail, and a centering seat (432) arranged at the upper part of the sliding block through an adjustable transition plate (433);
the upper part of the centering seat (432) is provided with an inner concave arc-shaped groove (401) matched with the outer contour of the differential mechanism shell assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210903.7U CN210588288U (en) | 2019-07-26 | 2019-07-26 | Positioning and clamping composite device for machining differential mechanism shell assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210903.7U CN210588288U (en) | 2019-07-26 | 2019-07-26 | Positioning and clamping composite device for machining differential mechanism shell assembly |
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| Publication Number | Publication Date |
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| CN210588288U true CN210588288U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328547A (en) * | 2019-07-26 | 2019-10-15 | 安徽合力股份有限公司 | It is a kind of for processing the positioning and clamping set composite of differential case assembly |
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2019
- 2019-07-26 CN CN201921210903.7U patent/CN210588288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328547A (en) * | 2019-07-26 | 2019-10-15 | 安徽合力股份有限公司 | It is a kind of for processing the positioning and clamping set composite of differential case assembly |
| CN110328547B (en) * | 2019-07-26 | 2024-07-12 | 安徽合力股份有限公司 | Positioning and clamping composite device for processing differential mechanism shell assembly |
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