阅读说明：本技术 桥壳板座加压焊接工具 (Axle housing plate seat pressure welding tool ) 是由 于长江 蓝江盛 游胜辉 孙剑 曾勇 韦文儒 何名基 黄芝刚 叶伟雄 黄育荣 谭建 于 2021-08-20 设计创作，主要内容包括：本发明公开一种桥壳板座加压焊接工具,包括液压站和控制箱、压紧模块、限位模块、桥壳分中机构、底板、锁紧机构及板座分中机构；压紧模块和限位模块均通过导轨滑块与底板上的导轨滑动压接,并由锁紧机构锁定；板座分中机构安装在所述底板的顶面中部；所述桥壳分中机构分装于底板的顶面和底面；液压站和控制箱控制压紧模块和桥壳分中机构,两者和预先调节好的板座分中机构共同作用实现对桥壳板座进行加压,进而实现加压焊接。本发明可以解决现有技术对汽车驱动桥壳和桥壳板座焊接时板座内腔与壳体二者不能紧密贴合,人工调试工装调试时间长,生产效率低,焊接质量无保证等诸多的问题。(The invention discloses a pressure welding tool for an axle housing plate seat, which comprises a hydraulic station, a control box, a pressing module, a limiting module, an axle housing centering mechanism, a bottom plate, a locking mechanism and a plate seat centering mechanism, wherein the hydraulic station is connected with the control box through a hydraulic pipe; the pressing module and the limiting module are in sliding pressure connection with a guide rail on the bottom plate through a guide rail sliding block and are locked by a locking mechanism; the plate seat centering mechanism is arranged in the middle of the top surface of the bottom plate; the axle housing centering mechanism is respectively arranged on the top surface and the bottom surface of the bottom plate; the hydraulic station and the control box control the compaction module and the axle housing centering mechanism, and the hydraulic station and the control box control the compaction module and the axle housing centering mechanism to jointly act with the pre-adjusted plate seat centering mechanism to realize pressurization on the axle housing plate seat, so that pressurization welding is realized. The invention can solve the problems that the inner cavity of the plate seat and the shell can not be tightly attached when the automobile driving axle housing and the axle housing plate seat are welded in the prior art, the debugging time of a manual debugging tool is long, the production efficiency is low, the welding quality is not guaranteed, and the like.)

1. The utility model provides an axle housing plate seat pressure welding instrument which characterized in that: the axle housing centering mechanism comprises a hydraulic station, a control box, a pressing module (2), a limiting module (3), an axle housing centering mechanism (4), a bottom plate (5), a locking mechanism (6) and a plate seat centering mechanism (7); the pressing module (2) and the limiting module (3) are in sliding pressure joint with a guide rail on the bottom plate (5) through a guide rail sliding block and are locked by the locking mechanism (6); the plate seat centering mechanism (7) is arranged in the middle of the top surface of the bottom plate (5); the axle housing centering mechanism (4) is respectively arranged on the top surface and the bottom surface of the bottom plate (5); the hydraulic station and the control box control the pressing module (2), the axle housing centering mechanism (4) and the pre-adjusted plate seat centering mechanism (7) jointly act to realize pressurization on the axle housing plate seat, so that pressurization welding is realized.

2. The axle housing seat press-welding tool of claim 1, characterized in that: the pressing module (2) comprises a hydraulic oil cylinder (2-1), an I-shaped connecting rod (2-2), a bolt (2-3), a cotter pin (2-4), a pressing plate (2-5), an oil cylinder mounting seat (2-6), a square box (2-7), an internal thread cylindrical pin and a mounting base plate (2-9); the hydraulic oil cylinder (2-1) is connected to a valve body of the hydraulic station through an oil pipe, the hydraulic oil cylinder (2-1) is connected to the oil cylinder mounting seat (2-6) through an inner hexagon bolt, the pressing plate (2-5) is connected to the I-shaped connecting rod (2-2) through the bolt (2-3) and the split pin (2-4), the I-shaped connecting rod (2-2) is connected with an inner thread of the hydraulic oil cylinder (2-1) through an outer thread, the oil cylinder mounting seat (2-6) is connected with the mounting base plate (2-9) through a bolt after being positioned through an inner thread cylindrical pin, the square box (2-7) is connected with the mounting base plate (2-9) through a bolt after being positioned through the inner thread cylindrical pin, and is locked on a guide rail of the base plate (5) through the locking mechanism (6) after being connected with a guide rail sliding block through a thread The above.

3. The axle housing seat press welding tool of claim 1 or 2, characterized in that: the limiting module (3) comprises a vertical plate (3-1), an internal thread cylindrical pin and a sliding plate (3-3); the vertical plate (3-1) is positioned by an internal thread cylindrical pin and then is connected to the sliding plate (3-3) by a bolt, and the sliding plate (3-3) is locked on the guide rail of the bottom plate (5) by the locking mechanism (6) after being connected with the guide rail sliding block by the bolt.

4. The axle housing seat press weld tool of claim 3, wherein: the axle housing centering mechanism (4) comprises an ultrathin air cylinder (4-1) fixed at the bottom of the bottom plate (5), two ends of the ultrathin air cylinder (4-1) are connected with wide air claws (4-2), the wide air claws (4-2) are connected with pull rods (4-3), one end of each pull rod (4-3) is connected with a vertically arranged pull rod seat (4-5) through inner hexagon screws and floating joints (4-4), the aim of centering axle housings 1 with different lengths is achieved by utilizing the adjustment of the air cylinder stretching and the floating joints (4-4), centering vertical plates (4-6) are installed on the pull rod seats (4-5), cushion blocks (4-7) are arranged at the top ends of the centering vertical plates (4-6), adjusting blocks (4-8) are installed between the cushion blocks (4-7) and the centering vertical plates (4-6), the said spacer blocks (4-7) and adjusting blocks (4-8) of different thickness are used according to the adjusted length and offset.

5. The axle housing seat press weld tool of claim 4, wherein: the locking mechanism (6) comprises a locking seat (6-1) and two locking mandrels (6-2); the locking seat (6-1) is connected with a mechanism to be locked through a screw, the two locking mandrels are placed on two sides of the locking seat (6-1), the two locking mandrels (6-2) are identical in appearance structure, a through hole is formed in the middle of one locking mandrel, the other locking mandrel is a threaded hole, and the two locking mandrels can be used for integrally fixing the locking seat (6-1) on the guide rail through screw adjustment, so that the locking purpose is achieved.

6. The axle housing seat press-welding tool of claim 5, characterized in that: the plate seat centering mechanism (7) comprises a fixed seat (7-1), a bidirectional screw rod (7-2), a nut (7-3) and a connecting plate (7-4); one end of the connecting plate (7-4) is connected with the mounting base plate (2-9) in the compression module (2), the other end of the connecting plate is connected with the nut (7-3), the nuts (7-3) on two sides are respectively arranged at two threaded parts of the bidirectional screw rod (7-2), two ends of the bidirectional screw rod (7-2) are arranged on the fixing seat (7-1), the fixing seat (7-1) is connected on the base plate (5), the nut (7-3) is driven to move in the length direction through rotation of the bidirectional screw rod (7-2), and the connecting plates (7-4) at two ends follow the fixing seat to move in a straight line, so that the center distance of the plate seats can be synchronously adjusted.

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to a tool for pressure welding of an axle housing plate seat.

Background

The commercial car transaxle axle housing is gone up the annex kind more and miscellaneous, and at present, the rear drive axle housing can be divided into backup plate support class and board seat class according to big annex classification, and wherein backup plate support class can be divided into support type and flat type again according to the difference of last distance rod support. Most of accessories on the axle housing are fixed on the axle housing in a welding mode at the present stage, so that a plurality of welding seams are formed on the axle housing, and the quality of the welding seams reflects the quality of the axle housing to a great extent. The axle housing accessory assembly welding mode is still more traditional, a worker carries an accessory to be assembled and welded on a tool, a screw is screwed up manually to clamp a workpiece, and the size of the accessory cannot be well guaranteed; and the welding seam can receive various forms impact and continuous load in the twinkling of an eye under operating condition, and the plate holder inner chamber can not closely laminate with the casing during welding, then can lead to the welding seam atress condition more changeable, and the welding seam life-span will greatly reduced. At present, a manual debugging tool is needed for switching bridge types, the product quality depends on the proficiency and the care of workers, and the problems of long debugging time, low production efficiency and no guarantee of welding quality exist.

Disclosure of Invention

The invention aims to solve the technical problem of providing an axle housing plate seat pressure welding tool, which can solve the problems that an inner cavity of a plate seat and a shell cannot be tightly attached when an automobile driving axle housing and an axle housing plate seat are welded in the prior art, the manual debugging tool has long debugging time, the production efficiency is low, the welding quality is not guaranteed, and the like.

In order to solve the problems, the technical scheme of the invention is as follows: the axle housing plate seat pressure welding tool comprises a hydraulic station, a control box, a pressing module, a limiting module, an axle housing centering mechanism, a bottom plate, a locking mechanism and a plate seat centering mechanism; the two limiting modules are symmetrically arranged on the left end and the right end of the bottom plate; the two compression modules are symmetrically arranged on the bottom plate between the two limiting modules; the plate seat centering mechanism is arranged in the middle of the plate surface of the bottom plate; the whole axle housing centering mechanism is respectively arranged on the top surface and the bottom surface of the bottom plate; the hydraulic station and the control box control the compaction module, the axle housing centering mechanism and the pre-adjusted plate seat centering mechanism act together to pressurize the axle housing plate seat, and the hydraulic station and the control box control the whole welding operation.

In the above technical solution, a more specific solution is: the pressing module comprises a hydraulic oil cylinder, an I-shaped connecting rod, a bolt, a cotter pin, a pressing plate, an oil cylinder mounting seat, a square box, an internal thread cylindrical pin and a mounting base plate. The hydraulic cylinder is connected to a valve body of a hydraulic station through an oil pipe, the hydraulic cylinder is connected to the cylinder mounting seat through an inner hexagon bolt, the pressing plate is connected to the I-shaped connecting rod through the bolt and the cotter pin, the I-shaped connecting rod is connected with the internal thread of the hydraulic cylinder through the external thread, the cylinder mounting seat is connected with the mounting base plate through a bolt after being positioned through the internal thread cylindrical pin, the square box is connected with the mounting base plate through a bolt after being positioned through the internal thread cylindrical pin, and the whole square box is connected with the guide rail slider and then is in compression joint with the guide rail on the base plate; the two pressing modules can be adjusted to slide left and right, and are locked on the guide rail on the bottom plate by the locking mechanism after the positions are adjusted.

Further: the limiting module comprises a vertical plate, an internal thread cylindrical pin and a sliding plate; the vertical plate is positioned through an internal thread cylindrical pin and then is connected to the plate slide through a bolt, the slide plate is connected with a guide rail slide block on the bottom plate through a bolt, and the limiting module is locked on a guide rail on the bottom plate through a locking mechanism.

Further: mechanism includes the ultra-thin cylinder in bottom plate bottom through pin, bolt fastening in the axle housing divides, ultra-thin cylinder both ends are connected with wide type gas claw, wide type gas claw is connected with the pull rod, pull rod one end is connected with the pull rod seat of vertical setting through hexagon socket head cap screw and floating joint, utilizes the cylinder to stretch and reach the purpose of centering different length axle housings with the regulation that floats the joint, install through hexagon socket head cap screw and pin on the pull rod seat and divide well riser, the top of riser is provided with the cushion in dividing the cushion with divide and install the adjusting block between the well riser, use different thickness according to the length and the skew of adjustment the cushion with the adjusting block.

Further: the locking mechanism comprises a locking seat and two locking mandrels, the locking seat is connected with the to-be-locked mechanism through a screw, the two locking mandrels are placed on two sides of the locking seat, the two locking mandrels are identical in appearance structure, a through hole is formed in the middle of one mandrel, the other mandrel is a threaded hole, and the two mandrels can be integrally fixed on the guide rail through screw adjustment, so that the locking purpose is achieved.

Further: the plate seat centering mechanism comprises a fixed seat, a bidirectional screw rod, a nut and a connecting plate. One end of the connecting plate is connected with the mounting bottom plate in the compression module through a bolt, the other end of the connecting plate is connected with the nut through a bolt, the nuts are respectively arranged on two sides of the bidirectional screw rod, the two ends of the bidirectional screw rod are arranged on the fixing seat, the fixing seat is connected onto the bottom plate through threads, the nut is driven by the rotation of the bidirectional screw rod to move in the length direction, the two ends of the bidirectional screw rod are linearly moved along with the connecting plate, and therefore the center distance of the plate seat is synchronously adjusted.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:

the invention can quickly realize the adjustment of the center distance of the plate bases by adjusting the two-way screw rod nut, and the two sides can simultaneously advance and retreat, thereby ensuring that the distances from the centers of the plate bases on the two sides to the two ends of the axle housing are equal; meanwhile, the plate seat is subjected to spot welding after pressurization, the pressurization pressure can reach two tons, the inner cavity of the plate seat is ensured to be attached to the square section of the shell, the stress condition of a welding line is reduced, the fatigue life of the welding line is prolonged, the labor intensity of workers is effectively reduced, the production change debugging time is reduced, the production efficiency is effectively improved, and the gap between the plate seat and the shell can be ensured.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic left side view of the present invention;

FIG. 4 is an axial schematic view of the present invention;

FIG. 5 is a schematic front view of a compression module of the present invention;

FIG. 6 is a schematic left side view of a compression module of the present invention;

FIG. 7 is a schematic front view of a spacing module of the present invention;

FIG. 8 is a schematic left side view of a spacing module of the present invention;

FIG. 9 is a schematic front view of a module in the axle housing section of the present invention;

FIG. 10 is a left side schematic view of an axle housing center module of the present invention;

FIG. 11 is a front view of a locking socket of the locking mechanism of the present invention;

FIG. 12 is a left side schematic view of a locking base of the locking mechanism of the present invention;

FIG. 13 is a schematic front view of a locking spindle of the locking mechanism of the present invention;

FIG. 14 is a schematic left side view of a locking spindle of the locking mechanism of the present invention;

FIG. 15 is a schematic view of a modular structure in a plate carrier section according to the present invention;

FIG. 16 is a schematic front view of the base plate of the present invention;

fig. 17 is a schematic top view of the base plate of the present invention.

FIG. 18 is a schematic left side view of a base plate according to the present invention.

The reference numbers in the figures denote: 1. an axle housing, 2, a compression module, 2-1, a hydraulic oil cylinder, 2-2, an I-shaped connecting rod, 2-3, a bolt, 2-4, a cotter pin, 2-5, a pressing plate, 2-6, an oil cylinder mounting seat, 2-7, a square box, 2-8, an internal thread cylindrical pin, 2-9, a mounting base plate, 3, a limiting module, 3-1, a vertical plate, 3-2, an internal thread cylindrical pin, 3-3, a sliding plate, 4, an axle housing centering mechanism, 4-1, an ultrathin air cylinder, 4-2 wide air claws, 4-3, a pull rod, 4-4, a floating joint, 4-5, a pull rod seat, 4-6, a centering vertical plate, 4-7, a cushion block, 4-8, an adjusting block, 5, a base plate, 6, a locking mechanism, 6-1 and a locking seat, 6-2 parts of a locking mandrel, 7 parts of a plate seat centering mechanism, 7-1 parts of a fixed seat, 7-2 parts of a bidirectional screw rod, 7-3 parts of a nut, 7-4 parts of a connecting plate.

Detailed Description

The invention is further illustrated with reference to the following figures and examples:

the axle housing plate seat pressure welding tool of fig. 1, 2, 3 and 4 comprises a hydraulic station and control box (not shown in the figure), a pressing module 2, a limiting module 3, an axle housing centering mechanism 4, a bottom plate 5, a locking mechanism 6 and a plate seat centering mechanism 7; the two limiting modules 3 are symmetrically arranged on the left end and the right end of the bottom plate 5; the two pressing modules 2 are symmetrically arranged on the bottom plate 5 between the two limiting modules 3; the plate seat centering mechanism 7 is arranged in the middle of the surface of the bottom plate 5; the whole axle housing center distributing mechanism 4 is separately arranged on the top surface and the bottom surface of the bottom plate 5; through the hydraulic pressure station with control box control compress tightly module 2, mechanism 4 in the axle housing branch, with the plate seat that adjusts in advance in the mechanism 7 combined action realize pressurizeing axle housing plate seat to realize the pressure welding.

As shown in fig. 5 and 6, the pressing module 2 comprises a hydraulic oil cylinder 2-1, an I-shaped connecting rod 2-2, a bolt 2-3, a cotter pin 2-4, a pressing plate 2-5, an oil cylinder mounting seat 2-6, a square box 2-7, an internal thread cylindrical pin 2-8 and a mounting base plate 2-9. A hydraulic oil cylinder 2-1 is connected to a valve body of a hydraulic station through an oil pipe, the hydraulic oil cylinder 2-1 is connected to an oil cylinder mounting seat 2-6 through an inner hexagon bolt, a pressing plate 2-5 is connected to an I-shaped connecting rod 2-2 through a bolt 2-3 and a cotter pin 2-4, the I-shaped connecting rod 2-2 is connected with an inner thread of the hydraulic oil cylinder 2-1 through an outer thread, the oil cylinder mounting seat 2-6 is connected with a mounting base plate 2-9 through a bolt after being positioned through an inner thread cylindrical pin 2-8, a square box 2-7 is connected with the mounting base plate 2-9 through a bolt after being positioned through an inner thread cylindrical pin 2-8, and the whole is connected with a guide rail slider and then is in compression joint with a guide rail on the base plate 5; the two pressing modules 2 can be adjusted to slide left and right, and are locked on the bottom plate 5 by the locking mechanism 6 after the positions are adjusted.

As shown in figures 7 and 8, the limiting module 3 comprises a vertical plate 3-1, an internal thread cylindrical pin 3-2 and a sliding plate 3-3. The upper portion of the vertical plate 3-1 is of a U-shaped structure, the supporting position of the axle housing 1 is limited, the axle housing 1 is controlled to be wholly deviated, the axle housing 1 is guaranteed to be located in the center of the U-shaped structure, the vertical plate 3-1 is positioned through an internal thread cylindrical pin 3-2 and then is connected to a plate slider 3-3 through a bolt, the sliding plate 3-3 is connected with a guide rail sliding block through a bolt, and the guide rail sliding block is sleeved on a guide rail arranged on the bottom plate 5 and then is locked by a locking mechanism 6.

Referring to fig. 9 and 10, the axle housing centering mechanism 4 comprises an ultrathin cylinder 4-1 fixed at the bottom of a bottom plate 5 through a pin and a bolt, two ends of the ultrathin cylinder 4-1 are connected with wide air claws 4-2, the wide air claws 4-2 are connected with pull rods 4-3, one ends of the pull rods 4-3 are connected with vertically arranged pull rod seats 4-5 through hexagon socket head cap screws and floating joints 4-4, the aim of centering axle housings 1 with different lengths is achieved by utilizing the adjustment of the cylinder extension and the floating joints 4-4, centering vertical plates 4-6 are arranged on the pull rod seats 4-5 through the hexagon socket cap screws and the pin, cushion blocks 4-7 are arranged at the top ends of the centering vertical plates 4-6, an adjusting block 4-8 is arranged between the cushion block 4-7 and the middle vertical plate 4-6, using cushion blocks 4-7 and adjusting blocks 4-8 with different thicknesses according to the adjusted length and offset; the absolute values in fig. 9 can be guaranteed: and L1-L2<0.5mm mechanism synchronous centering.

As shown in fig. 11, 12, 13 and 14, the locking mechanism 6 includes a locking seat 6-1 and two locking mandrels 6-2, the locking principle is that the locking seat 6-1 is connected with the mechanism to be locked through a screw, the two mandrels are placed on two sides of the locking seat 6-1, the two locking mandrels 6-2 have the same shape and structure, one mandrel has a through hole in the middle, the other mandrel has a threaded hole, and the two mandrels can fix the locking seat on the guide rail integrally through screw adjustment, so as to achieve the purpose of locking.

As shown in FIG. 15, the plate seat centering mechanism 7 comprises a fixed seat 7-1, a bidirectional screw rod 7-2, a nut 7-3 and a connecting plate 7-4. One end of a connecting plate 7-4 is connected with an installation bottom plate 2-9 in the compression module 2 through a bolt, the other end of the connecting plate is connected with a nut 7-3 through a bolt, the nuts 7-3 on two sides are respectively arranged on two threaded parts of a bidirectional screw 7-2, two ends of the bidirectional screw 7-2 are arranged on a fixed seat 7-1, the fixed seat 7-1 is connected on the bottom plate 5 through threads, the nut 7-3 is driven to move in the length direction through the rotation of the bidirectional screw 7-2, and the connecting plates 7-4 on two ends move linearly along with the rotation, so that the center distance of the plate seats can be synchronously adjusted.

As shown in fig. 16, 17 and 18, the bottom plate 5 serves as a support platform for supporting the entire pressure welding tool, and a sliding groove and a fixing hole or a threaded hole are formed in a portion corresponding to a component or a mechanism to be supported, for fixing the component or the mechanism.

The working principle of the invention is as follows: the center distance of the tool is adjusted to be suitable in advance according to different sizes of different bridge type accessories. The specific operation process is as follows: loosening a screw rod of a locking mechanism 6 on a pressing module 2, rotating a screw rod of a plate seat centering mechanism 7, adjusting to a required size, screwing the screw rod of the locking mechanism 6 on the pressing module 2, placing a lower plate seat to be assembled and welded on a square box 2-7, hanging an axle housing 1 on a tool, placing the axle housing 1 in an inner cavity of the plate seat, pressing a forward button in the upper axle housing of a control box to control the action of an ultrathin cylinder 4-1, driving a wide type gas claw 4-2 to act, and driving a pull rod connected with the wide type gas claw 4-2 to act along with the forward button so as to drive a centering plate in the centering mechanism to achieve the centering purpose, placing an upper plate seat to be assembled and welded, pressing a pressing button on the control box, and pushing a pressing plate 2-5 by a hydraulic oil cylinder to press the whole plate seat and spot-welding the plate seat. After the completion, a loosening button on the control box is pressed, the hydraulic oil cylinder returns to the original position, a middle returning button on the axle housing on the control box is pressed to control the ultrathin air cylinder 4-1 to loosen, the middle vertical plate 4-6 returns to the original position, and the axle housing 1 is hung off the tool platform. Compared with the traditional assembly tool, the assembly tool has the advantages of rapid adjustment, size guarantee, assembly welding gap guarantee and the like, can greatly improve the working efficiency, can effectively guarantee the gap between the accessory and the shell, and has the advantages of simplicity and convenience in operation, high efficiency and better quality than a whole.