CN218136002U

CN218136002U - Spiral positioning and pressing automatic welding equipment for axle reinforcing ring

Info

Publication number: CN218136002U
Application number: CN202222174409.8U
Authority: CN
Inventors: 黄敏; 白茂生
Original assignee: Xiamen Aerospace Space Robot System Co ltd Chengdu Branch
Current assignee: Xiamen Aerospace Space Robot System Co ltd Chengdu Branch
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-12-27
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses an axle reinforcing ring spiral location compresses tightly automatic weld equipment, relate to automobile manufacturing technical field, solve the technical problem that current centre gripping equipment can not compatible not unidimensional work piece location, including spiral centering positioner, its spiral centering positioner passes through the cylinder with spiral location structure mode and drives the rack and rotate along self axis, and drive the gear shaft rotation of meshing with it, its rack and gear shaft adopt worm gear mode linkage, the cylinder drives the rack and rotates along self axis, the gear shaft is horizontal rotation in vertical direction, then drive the spiral disk and rotate, it has the Archimedes helicla flute to open on the spiral disk, the leading wheel rotates final drive in Archimedes helicla flute the inside and compresses tightly stick on the shell and stretch out and retract, the mechanism that compresses tightly through the pressure arm before having optimized, the structure is simpler, it can be bigger to compress tightly the stick atress, and the axle housing centre bore is the diameter change, this mechanism can satisfy the work piece location of less centre bore.

Description

Spiral positioning and pressing automatic welding equipment for axle reinforcing ring

Technical Field

The utility model relates to an automobile manufacturing technical field, more specifically relate to an axle reinforcing ring spiral positioning compresses tightly automatic weld equipment technical field.

Background

At present, in the welding treatment process of the axle housing of the axle, a welding robot is adopted to weld a workpiece to be processed, so that the workpiece needs to be fixed and positioned in advance.

The existing equipment adopts two modes to compress and weld the axle housing; firstly, the conventional wall-turning compressing mode is adopted for compressing, positioning and welding, the structure below the middle section of the axle housing needs to load larger weight, and the sealing part arranged below the axle housing needs to compress air, so that the sealing condition of the axle housing is difficult to meet, in addition, the size of the axle housing center hole is limited, the installation of the wall-turning compressing mode is difficult when the center hole is too small, the diameter of the conventional center hole is more than 350mm, and a large workpiece cannot enter because the center hole is smaller, and the depth of fusion is insufficient when the conventional small-sized pressure arm is smaller;

secondly, adopt special plane locate mode to compress tightly the welding, adopt actuating equipment to promote the clamping part centre gripping at the axle housing middle part, it is whole rotatory on vertical plane to promote the clamping part drive axle housing, after the angle of adjustment, weld appointed position through welding equipment, but the defect of this mode is only can be to single product processing, because the welding reinforcing ring is axial positioning, axial positioning limitation influences the welding when leading to the welding, all be whole switching basically to different axle location portions, this just leads to trading to producing trouble.

Aiming at the technical problem that the two positioning modes cannot be compatible with the positioning of workpieces with different sizes, the equipment for positioning and compressing the workpieces by the axle reinforcing ring in the spiral positioning mode is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem, the utility model provides an axle reinforcing ring spiral positioning compresses tightly automatic weld equipment.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

an automatic welding device for spiral positioning and pressing of an axle reinforcing ring comprises a first mounting frame, wherein a spiral centering and positioning device for clamping the reinforcing ring is inserted into the first mounting frame;

the spiral centering positioning device comprises a second mounting frame arranged in the first mounting frame and a first air cylinder arranged on the second mounting frame, a piston rod of the first air cylinder is connected with a push rod, the other end of the push rod is sleeved with a support frame, the support frame is arranged on the second mounting frame and is in sliding connection with the push rod, a rack is arranged on the push rod, a first gear meshed with the rack is vertically arranged on the second mounting frame, a first connecting shaft is arranged in the middle of the first gear, and the bottom of the first connecting shaft is fixedly connected to the second mounting frame through a bearing seat;

the top of the first connecting shaft is provided with a middle sleeve, an outer sleeve is sleeved outside the middle sleeve and fixed on the first mounting frame, an inner sleeve is sleeved in an inner cylinder of the middle sleeve and is in sliding connection with the middle sleeve, the bottom of the inner sleeve is connected with the first connecting shaft, a second connecting shaft is sleeved inside the inner sleeve, the part of the second connecting shaft inserted into the prismatic through groove is in axial sliding fit with the inner sleeve, and the part of the second connecting shaft inserted into the prismatic through groove is in radial clamping connection with the inner sleeve;

the top rigid coupling of well telescopic has rotatory shell, be provided with the rotary disk in the rotatory shell, the second connecting axle pass behind the rotatory shell with connect the middle part at the rotary disk, it has Archimedes helicla flute to open on the rotary disk, on the rotatory shell lateral wall, and along radial direction seted up a plurality of guiding through-holes, a plurality of guiding through-holes along the axis symmetric distribution of rotatory shell, every all alternate in the guiding through-hole and compress tightly the stick, compress tightly stick and guiding through-hole sliding fit, every all be provided with the leading wheel in the Archimedes helicla flute, connect a leading wheel on every compresses tightly the stick respectively.

As a preferred scheme, first mounting bracket bottom is provided with elevating system, elevating system includes the third mounting bracket, the both ends at first mounting bracket are connected to the third mounting bracket, the both sides of the bottom of third mounting bracket all are provided with the second cylinder, and two second cylinders are all fixed in the bottom of third mounting bracket, are provided with the roof between first mounting bracket and third mounting bracket, and the piston rod of two second cylinders is connected respectively in the both sides of roof, the middle part and the well muffjoint of roof.

As a preferred scheme, the bottom of first mounting bracket is provided with the rotation mechanism that drive spiral location structure horizontal rotation used, rotation mechanism installs two quick-witted casees on the ground including the symmetry, is provided with first mounting panel between two quick-witted casees, the bottom of first mounting panel is provided with the revolving cylinder, the top of first mounting panel is provided with the second gear, the second gear is connected for rotating with first mounting panel, revolving cylinder's pivot and second gear connection are provided with the third gear of meshing with it in the side of second gear, the third gear is connected for rotating with first mounting panel, the connecting plate is installed to third gear top, the bottom and the third gear connection of connecting plate, and third gear connection is at the middle part of connecting plate, the top of connecting plate is connected with second mounting bracket and first mounting bracket respectively.

As a preferred scheme, an angle positioning mechanism is arranged on the side face of the first mounting plate, the angle positioning mechanism comprises a driven turntable arranged on one side of the first mounting plate, a driving turntable is arranged on the other side of the first mounting plate, one end of the driven turntable is connected with the first mounting plate, the other end of the driven turntable is rotatably connected with one of the machine boxes, the other end of the driving turntable is rotatably connected with the other machine box, a driving motor is arranged at the end part of the driving turntable and connected with the machine box, a rotating shaft of the driving motor penetrates through the machine box and then is connected with the driving turntable, a balancing weight is arranged between the two machine boxes, and the balancing weight is fixedly mounted at the bottom of the first mounting plate.

As a preferred scheme, the both ends of first mounting bracket all are provided with the end axle head locating component that is used for the radial centre gripping of axle housing tip, and both ends axle head locating component all is connected with first mounting bracket.

As a preferred scheme, end axle head locating component includes end axle centre gripping subassembly, the centre gripping subassembly includes the second mounting panel, the top center department of second mounting panel is provided with the fourth gear, the fourth gear is connected for rotating with the second mounting panel, and the centering is installed to the second mounting panel and is pressed from both sides tight first slide rail of usefulness, two first sliders of sliding fit with it are installed to first slide rail, first slider and first slide rail sliding connection, two first sliders are about the rotatory symmetric distribution of central point of fourth gear, and the side of two first sliders all opened with fourth gear engagement's rack be provided with the first slider of drive on the second mounting panel in the third cylinder that first slide rail slided and use, the third cylinder is connected in the side of second mounting panel, all installs the stopper on two first sliders.

As a preferred scheme, the bottom of end axle centre gripping subassembly is provided with end axle translation subassembly, and its end axle translation subassembly includes the third mounting panel, the side at first mounting panel is fixed to the third mounting panel, be provided with the lead screw on the third mounting panel, the lead screw both ends are connected on the third mounting panel through the bearing frame, are provided with two second slide rails along the axis direction of lead screw on the third mounting panel, and two second slide rails all are provided with the second slider about the axis symmetric distribution of lead screw on two second slide rails, second slider and second slide rail sliding connection, two second slider tops with connect in second mounting panel bottom, the cover has the connection piece on the lead screw, the one end and the lead screw threaded connection of connection piece, the other end and the second slider of connection piece are connected.

As a preferable scheme, a hand wheel is arranged at the end part of the screw rod, and the hand wheel is connected with the screw rod.

As a preferred scheme, the top of first mounting bracket is provided with the chuck, the chuck is connected for rotating with first mounting bracket, be provided with a plurality of locating pieces that are used for work piece center location on the chuck, a plurality of locating pieces are along the equidistant distribution of circumference of chuck, and the bottom of each locating piece all is fixed on the chuck, and the equal butt of lateral wall at the inside wall of axle housing and reinforcing ring of each locating piece.

Preferably, an air motor for positioning the chuck is arranged on the first mounting frame, the bottom of the air motor is connected with the first mounting frame, and the end part of the air motor abuts against the chuck.

The beneficial effects of the utility model are as follows:

1. the utility model discloses in, fix a position in order to satisfy the axle housing to unidimensional, and design spiral location structure, its structure passes through the cylinder and drives the rack and rotate along self axis, and drive the gear shaft rotation of meshing with it, its rack and gear shaft adopt the linkage of worm gear mode, the cylinder drives the rack and rotates along self axis, the gear shaft is the rotation of improving level in vertical direction, drive the helicoid dish then and rotate, it has the Archimedes helicla flute to open on the helicoid dish, the leading wheel rotates final drive in Archimedes helicla flute the inside and compresses tightly stick on the shell and stretch out and the withdrawal, the mechanism that compresses tightly through the pressure arm before having optimized, the structure is simpler, it can be bigger to compress tightly the stick atress, and the axle housing centre bore is changed, this mechanism can satisfy the work piece location of less centre bore.

2. The utility model discloses in, after stretching out the back location work piece in order to stretch out the stick that compresses tightly after flexible, compress tightly the reinforcing ring work piece on the axle housing work piece, sleeve vertical removal in the outer sleeve in the design elevating system is to promoting, and sleeve top fixed connection's the vertical lift of rotatory shell in making ensures the vertical removal of the stick that compresses tightly on the rotatory shell then, compresses tightly the stick then and compresses tightly the axle housing work piece and the reinforcing ring work piece together, simultaneously, ensures to compress tightly the stick restriction and can not slide in rotatory shell passageway.

3. The utility model discloses in, adjust 360 rotation angles of horizontal plane after in order to fix axle housing work piece and the reinforcing ring work piece after the location, consequently, be provided with the rotation mechanism that drive spiral location structure level was rotatory to be used in the bottom of first mounting bracket, rotation mechanism drives the axle housing work piece and the reinforcing ring work piece of spiral centering positioner and centre gripping and all around rotation on first mounting plate top surface in step, accomplishes the angular rotation in the aspect of the level then.

4. The utility model discloses in, for inclination around adjusting axle housing work piece and reinforcing ring work piece, at first mounting panel side design angular positioning mechanism, its angular positioning mechanism's driving motor drives the initiative carousel and rotates on the quick-witted case, and its driven turntable follows the rotation, and initiative carousel and driven turntable drive first mounting panel forward-backward rotation finally adjust the axle housing work piece and the reinforcing ring work piece tilt around of first mounting panel installation.

5. The utility model discloses in, the end axle end locating component who is used for the radial centre gripping of axle housing tip is designed at the both ends of first mounting bracket, and the end axle centre gripping subassembly that well end axle centre gripping subassembly was used for the axle head and the centre gripping to the axle housing work piece, can be used to the tip centre gripping of the axle housing work piece of different diameters fixed.

6. The utility model discloses in, the end axle translation subassembly of the end axle end locating component of design is used for adjusting the position of end axle centre gripping subassembly apart from the axle housing center, adjusts end axle centre gripping subassembly centre gripping axle housing work piece end axle position then, consequently adapts to the axle housing end axle centre gripping of different length.

7. The utility model discloses in, the tip butt of the pneumatic motor of design is on the chuck, and its pneumatic motor is rotatory to drive the chuck rotatory, makes the locating piece of the four sides location on the chuck remove final location axle housing center.

Drawings

FIG. 1 is a schematic view of the clamping distribution of a reinforcing ring workpiece and an axle housing workpiece of the present invention;

FIG. 2 is a schematic plan view of the spiral centering and positioning device of the present invention;

fig. 3 is a schematic cross-sectional view taken along line C-C of fig. 2 according to the present invention;

fig. 4 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 according to the present invention;

fig. 5 is an enlarged schematic structural view of A1 in fig. 1 according to the present invention;

fig. 6 is an enlarged schematic structural diagram of the utility model at A2 in fig. 5;

FIG. 7 is a schematic view of the overall structure of the swing mechanism and the angle positioning mechanism of the present invention;

fig. 8 is a schematic cross-sectional view of fig. 7 according to the present invention;

fig. 9 is a schematic view of the overall structure of the present invention;

fig. 10 is a schematic top view of fig. 9 according to the present invention;

fig. 11 is an enlarged schematic structural view of A3 in fig. 10 according to the present invention;

fig. 12 is a schematic view of the installation distribution of the welding device and the screw positioning and clamping device of the present invention.

Reference numerals: 1-axle housing workpiece, 2-reinforcing ring workpiece, 3-spiral centering positioning device, 4-end shaft clamping component, 5-end shaft translation component, 6-end shaft end positioning component, 7-lifting mechanism, 8-first mounting rack, 9-second mounting rack, 10-first air cylinder, 11-push rod, 12-support rack, 13-rack, 14-first gear, 15-middle sleeve, 16-outer sleeve, 17-inner sleeve, 18-second connecting shaft, 19-first connecting shaft, 20-rotating shell, 21-rotating disk, 22-Archimedes spiral groove, 23-pressing rod, 24-guide wheel, 25-third mounting rack, 26-second air cylinder 27-top plate, 28-case, 29-first mounting plate, 30-rotary cylinder, 31-second gear, 32-third gear, 33-connecting plate, 34-driven rotary table, 35-driving rotary table, 36-driving motor, 37-second mounting plate, 38-fourth gear, 39-first sliding block, 40-first sliding rail, 41-third cylinder, 42-limiting block, 43-lead screw, 44-third mounting plate, 45-second sliding rail, 46-second sliding block, 47-connecting plate, 48-hand wheel, 49-chuck, 50-pneumatic motor, 51-positioning block, 52-balancing block, 53-angle positioning mechanism, 54 and rotary mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Example 1

As shown in fig. 1 to 4, the present embodiment provides an automatic welding device for spiral positioning and pressing of an axle reinforcing ring, which includes a first mounting frame 8, where a spiral centering and positioning device 3 for clamping the reinforcing ring is inserted into the first mounting frame 8; the spiral centering and positioning device 3 comprises a second mounting frame 9 arranged inside a first mounting frame 8 and a first air cylinder 10 arranged on the second mounting frame 9, a push rod 11 is connected to a piston rod of the first air cylinder 10, a support frame 12 is sleeved at the other end of the push rod 11, the support frame 12 is arranged on the second mounting frame 9, the support frame 12 is connected with the push rod 11 in a sliding manner, a rack 13 is arranged on the push rod 11, a first gear 14 meshed with the rack 13 is vertically arranged on the second mounting frame 9, a first connecting shaft 19 is arranged in the middle of the first gear 14, and the bottom of the first connecting shaft 19 is fixedly connected to the second mounting frame 9 through a bearing seat; a middle sleeve 15 is arranged at the top of the first connecting shaft 19, an outer sleeve 16 is sleeved outside the middle sleeve 15, the outer sleeve 16 is fixed on the first mounting frame 8, an inner sleeve 17 is sleeved in the inner sleeve of the middle sleeve 15, the inner sleeve 17 is slidably connected with the middle sleeve 15, the bottom of the inner sleeve 17 is connected with the first connecting shaft 19, a second connecting shaft 18 is sleeved in the inner sleeve 17, the part of the second connecting shaft 18 inserted into the prismatic through groove is in axial sliding fit with the inner sleeve 17, and the part of the second connecting shaft 18 inserted into the prismatic through groove is in radial clamping fit with the inner sleeve 17; the top of the middle sleeve 15 is fixedly connected with a rotating shell 20, a rotating disk 21 is arranged in the rotating shell 20, the second connecting shaft 18 penetrates through the rotating shell 20 and then is connected to the middle of the rotating disk 21, an Archimedes spiral groove 22 is formed in the rotating disk 21, a plurality of guide through holes are formed in the side wall of the rotating shell 20 along the radial direction, the guide through holes are symmetrically distributed along the central axis of the rotating shell 20, a pressing rod 23 penetrates through each guide through hole, the pressing rods 23 are in sliding fit with the guide through holes, a guide wheel 24 is arranged in each Archimedes spiral groove 22, and each pressing rod 23 is connected with one guide wheel 24.

In order to position axle housings of different sizes, a spiral centering and positioning device 3 is designed, a structure of the spiral centering and positioning device drives a rack to rotate along a self central axis through an air cylinder and drives a gear shaft meshed with the rack to rotate, the rack and the gear shaft are linked in a worm and gear mode, the air cylinder drives the rack to rotate along the self central axis, the gear shaft horizontally rotates in the vertical direction and then drives a spiral disc to rotate, an Archimedes spiral groove is formed in the spiral disc, a guide wheel rotates in the Archimedes spiral groove and finally drives a rod to extend out of and retract on a shell in a pressing mode, a mechanism pressed by a pressing arm in the prior art is optimized, the structure is simple, and the stress of the pressing rod can be larger.

The working process is as follows: the spiral centering and positioning device 3 positions the reinforcing ring workpiece 2, in the working process, a first air cylinder 10 and a support frame 12 are both fixed on a second mounting frame 9, when the first air cylinder 10 is started, a piston rod of the first air cylinder 10 horizontally pushes a push rod 11 connected with the first air cylinder to move left and right in the support frame 12, a rack 13 of the push rod 11 drives a first gear 14 meshed with the rack to rotate, then the first gear 14 is driven to coaxially rotate with a first connecting shaft 19 in the vertical direction, the first connecting shaft 19 drives an inner sleeve 17 to rotate, a second connecting shaft 18 is connected in the inner sleeve 17, the inner sleeve 17 drives the second connecting shaft 18 to coaxially and synchronously rotate, a rotating disk 21 connected with the second connecting shaft 18 horizontally rotates in a rotating shell 20, and a guide wheel 24 is placed in an Archimedes spiral groove 22 formed in the rotating disc 21, the guide wheel 24 is connected with a pressing rod 23, then the pressing rod 23 reciprocates in a guide through hole on the side wall of the rotating shell 20 along with the change of the moving position of the guide wheel 24 in the Archimedes spiral groove 22, as shown in figure 12, wherein B1 is a welding robot, B2 is a spiral positioning and pressing device, B3 is a base, firstly, the welding robot B1 and the spiral positioning and pressing device B2 are installed on B3 according to the distribution scheme, then, the spiral positioning and pressing device B2 clamps and fixes the axle housing workpiece 1 and the welding ring 2 in advance, and finally, the welding robot B1 performs welding processing on the workpiece.

The subsequent first cylinder 10 pushes the push rod 11 to and fro, so that the rack 13 of the push rod 11 drives the first gear 14 meshed with the push rod to horizontally rotate along the central axis of the first connecting shaft 19, and meanwhile, in order to limit that the first gear 14 can only horizontally rotate on the central axis and cannot displace and change, the bottom of the first connecting shaft 19 is connected to the second mounting frame 9 through a bearing seat, the top of the first connecting shaft 19 is connected with the inner sleeve 17, the inner sleeve 17 is limited in the middle sleeve 15 to move up and down, the middle sleeve 15 is limited in the outer sleeve 16, the outer sleeve 16 is fixedly mounted on the first mounting frame 8, and then the middle sleeve 15 and the inner sleeve 17 can only move up and down; next, in order to restrict the moving direction of the pressing rod 23, a plurality of guide through holes are formed in the side wall of the rotating housing 20 in the radial direction, so that the pressing rod 23 can only move in the direction along the central axis of the guide through holes; finally, the part of the second connecting shaft 18 inserted into the prismatic through groove is designed to be in axial sliding fit with the inner sleeve 17, and the part of the second connecting shaft 18 inserted into the prismatic through groove is in radial clamping connection with the inner sleeve 17, so that the requirement that the second connecting shaft 18 subsequently moves up and down and simultaneously can meet the requirement that the inner sleeve 17 drives the second connecting shaft 18 to horizontally rotate in the axis direction is met, therefore, a prismatic groove can be formed in the inner sleeve 17, a prismatic block matched with the prismatic groove is arranged at the bottom of the second connecting shaft 18, up-and-down sliding can be met, self synchronous rotation can be met, and the joint of the top and the bottom of the second connecting shaft 18 and the rotating shell is connected through a bearing piece.

Example 2

The present embodiment is developed on the basis of the previous embodiment, as shown in fig. 1 to 4, in order to further press the reinforcing ring workpiece 2 on the axle housing workpiece 1, the bottom of the first mounting frame 8 is provided with the lifting mechanism 7, the lifting mechanism 7 includes a third mounting frame 25, the third mounting frame 25 is connected to both ends of the first mounting frame 8, both sides of the bottom of the third mounting frame 25 are provided with the second cylinders 26, the second cylinders 26 are fixed at the bottom of the third mounting frame 25, a top plate 27 is arranged between the third mounting frames 25 at the bottom of the first mounting frame 8, piston rods of the two second cylinders 26 are respectively connected to both sides of the top plate 27, the middle part of the top plate 27 is connected to the middle sleeve 15, and the lifting mechanism 7 is designed to push the middle sleeve 15 to vertically move in the outer sleeve 16, so that the rotary housing 20 fixedly connected to the top of the middle sleeve 15 vertically lift, so as to ensure that the pressing rod 23 on the rotary housing 20 vertically moves, and then the pressing rod 23 presses the axle housing workpiece 1 and the reinforcing ring workpiece 2 together.

Example 3

The present embodiment is developed based on the previous embodiment, as shown in fig. 7-9, in order to adjust the horizontal angle after the axle housing workpiece 1 and the reinforcing ring workpiece 2 are fixed, a revolving mechanism 54 for driving the horizontal rotation of the spiral positioning structure is disposed at the bottom of the first mounting bracket 8, the revolving mechanism 54 includes two chassis 28 symmetrically mounted on the ground, a first mounting plate 29 is disposed between the two chassis 28, a revolving cylinder 30 is disposed at the bottom of the first mounting plate 29, a second gear 31 is disposed at the top of the first mounting plate 29, the second gear 31 is rotatably connected to the first mounting plate 29, the rotating shaft of the revolving cylinder 30 is connected to the second gear 31, a third gear 32 meshed with the second gear 31 is disposed at the side of the second gear 31, the third gear 32 is rotatably connected to the first mounting plate 29, a connecting plate 33 is mounted above the third gear 32, the bottom of the connecting plate 33 is connected to the third gear 32, the third gear 32 is connected to the middle of the connecting plate 33, and the top of the connecting plate 33 is respectively connected to the second connecting plate 9 and the first mounting bracket 8;

when the rotary cylinder 30 is started, the rotating shaft of the rotary cylinder 30 drives the second gear 31 to rotate, so that the second gear 31 meshed with the second gear rotates synchronously, the second gear 31 drives the spiral centering and positioning device 3 arranged on the connecting plate 33, the clamped axle housing workpiece 1 and the clamped reinforcing ring workpiece 2 to rotate on the top surface of the first mounting plate 29 synchronously by 360 degrees, and then the angular rotation in the horizontal direction is completed.

Example 4

The present embodiment is developed based on the previous embodiment, as shown in fig. 7-9, in order to adjust the front-rear inclination angle of the axle housing workpiece 1 and the reinforcement ring workpiece 2, an angle positioning mechanism 53 is disposed on the side surface of the first mounting plate 29, the angle positioning mechanism 53 includes a driven turntable 34 disposed on one side of the first mounting plate 29, a driving turntable 35 is disposed on the other side of the first mounting plate 29, one end of the driven turntable 34 is connected to the first mounting plate 29, the other end of the driven turntable 34 is rotatably connected to one of the chassis 28, the other end of the driving turntable 35 is rotatably connected to the other chassis 28, a driving motor 36 is disposed at the end of the driving turntable 35, the driving motor 36 is connected to the chassis 28, the rotating shaft of the driving motor 36 passes through the chassis 28 and then is connected to the driving turntable 35, a counterweight 52 is disposed between the two chassis 28, and the counterweight 52 is fixedly mounted at the bottom of the first mounting plate 29;

therefore, the driven turntable 34 and the driving turntable 35 are respectively installed on two sides of the first installation plate 29, the driven turntable 34 and the driving turntable 35 are respectively connected with the corresponding machine box 28 in a rotating mode, meanwhile, the driving motor 36 is fixedly connected to the machine box 28 where the driving turntable 35 is installed, a rotating shaft of the driving motor 36 penetrates through the machine box 28 and then is connected with the driving turntable 35, then the driving motor 36 drives the driving turntable 35 to rotate on the machine box 28, the driven turntable 34 rotates along with the driving turntable 35, the driving turntable 35 and the driven turntable 34 drive the first installation plate 29 to rotate back and forth, and finally the axle housing workpiece 1 and the reinforcing ring workpiece 2 installed on the first installation plate 29 are adjusted to incline back and forth, wherein the weight blocks 52 are designed to balance the weight of the upper end and the weight of the lower end.

Example 5

The present embodiment is developed based on the previous embodiment, as shown in fig. 5, fig. 6, and fig. 9 to fig. 11, both ends of the first mounting frame 8 are provided with end shaft end positioning assemblies 6 for radially clamping the end portion of the axle housing, and both end shaft end positioning assemblies 6 are connected to the first mounting frame 8; two ends of the first mounting frame 8 are respectively provided with an end shaft end positioning assembly 6 for clamping and positioning the shaft end of the axle housing workpiece, wherein the end shaft end positioning assembly 6 comprises an end shaft clamping assembly 4 and an end shaft translation assembly 5; the end shaft clamping assembly 4 is used for clamping the shaft end of the axle housing workpiece 1, and the end shaft translation assembly 5 is used for adjusting the position of the end shaft clamping assembly 4 away from the center of the axle housing.

Wherein end shaft centre gripping subassembly 4 includes second mounting panel 37, the top center department of second mounting panel 37 is provided with fourth gear 38, fourth gear 38 is connected for rotating with second mounting panel 37, and second mounting panel 37 is installed the centering and is pressed from both sides tight first slide rail 40 of usefulness, two first sliders 39 of sliding fit with it are installed to first slide rail 40, first slider 39 and first slide rail 40 sliding connection, two first sliders 39 distribute about the central point rotational symmetry of fourth gear 38, and two first slider 39 side is opened has the rack with fourth gear 38 meshing be provided with the first slider 39 of drive on the second mounting panel 37 and slide the third cylinder 41 of usefulness at first slide rail 40, and third cylinder 41 is connected in the side of second mounting panel 37, all installs stopper 42 on two first sliders 39.

Regarding the specific working process of the end shaft clamping assembly 4: for the sake of clarity, the first slide blocks 39 will be further explained, and the two first slide blocks 39 are the slide blocks 391 and 392, respectively, wherein the third cylinder 41 is supported by the side surfaces connected to the second mounting plate 37, and the piston rod of the third cylinder 41 pushes the slide blocks 392 to slide back and forth on the first slide rails 40, and while sliding, in order to make the slide blocks 392 approach or move away from the slide blocks 392 synchronously, a rotatable fourth gear 38 is installed at the top center of the second mounting plate 37, and there are racks on the side surfaces of the slide blocks 391 and 392, which are engaged with the fourth gear 38, and then the stoppers 42 respectively installed on the slide blocks 391 and 392 move synchronously in opposite directions on the first slide rails 40, and this clamping manner can be used for clamping and fixing the end portions of axle housing workpieces 1 with different diameters.

Meanwhile, the end shaft translation assembly 5 is arranged at the bottom of the end shaft clamping assembly 4, the end shaft translation assembly 5 comprises a third mounting plate 44, the third mounting plate 44 is fixed on the side surface of the first mounting frame 8, a lead screw 43 is arranged on the third mounting plate 44, two ends of the lead screw 43 are connected to the third mounting plate 44 through a bearing seat, two second slide rails 45 are arranged on the third mounting plate 44 along the axial direction of the lead screw 43, the two second slide rails 45 are symmetrically distributed about the central axis of the lead screw 43, second slide blocks 46 are arranged on the two second slide rails 45, the second slide blocks 46 are connected with the second slide rails 45 in a sliding manner, the tops of the two second slide blocks 46 are connected to the bottom of the second mounting plate 37, a connecting piece 47 is sleeved on the lead screw 43, one end of the connecting piece 47 is in threaded connection with the lead screw 43, and the other end of the connecting piece 47 is connected with the second slide blocks 46;

the designed end shaft translation assembly 5 is used for adjusting the position of the end shaft clamping assembly 4 away from the center of the axle housing, the second sliding blocks 46 connected with the connecting piece 47 are pushed to move when the lead screw 43 is rotated, and the two second sliding blocks 46 are connected with the second mounting plate 37, so that the connecting piece 47 only needs to push one of the second sliding blocks 46 to enable the two second sliding blocks 46 to move on the corresponding second sliding rails 45, and the distance between the second sliding blocks 46 and the center of the axle housing workpiece 1 can be controlled only by controlling the forward and reverse rotation of the lead screw.

Further, the end portion of the lead screw 43 is provided with a hand wheel 48, the hand wheel 48 is connected with the lead screw 43, and the hand wheel 48 is arranged to facilitate adjustment of forward and reverse rotation of the lead screw 43.

Example 6

The present embodiment is developed based on the previous embodiment, as shown in fig. 10, a chuck 49 is disposed at the top of the first mounting frame 8, the chuck 49 is rotatably connected with the first mounting frame 8, a plurality of positioning blocks 51 for positioning the center of a workpiece are disposed on the chuck 49, the positioning blocks 51 are distributed at equal intervals along the circumferential direction of the chuck 49, the bottom of each positioning block 51 is fixed on the chuck 49, and the side wall of each positioning block 51 abuts against the inner side walls of the axle housing and the reinforcing ring; the first mounting frame 8 is provided with an air motor 50 for positioning the chuck 49, the bottom of the air motor 50 is connected with the first mounting frame 8, the end of the air motor 50 abuts against the chuck 49, the air motor 50 rotates to drive the chuck 49 to rotate, and the positioning block 51 positioned on four sides of the chuck 49 moves to finally position the axle housing center.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The automatic welding equipment for the spiral positioning and pressing of the axle reinforcing ring is characterized by comprising a first mounting frame (8), wherein a spiral centering and positioning device (3) for clamping the reinforcing ring is inserted into the first mounting frame (8);

the spiral centering and positioning device (3) comprises a second mounting frame (9) arranged inside a first mounting frame (8) and a first air cylinder (10) arranged on the second mounting frame (9), a push rod (11) is connected to a piston rod of the first air cylinder (10), a support frame (12) is sleeved at the other end of the push rod (11), the support frame (12) is arranged on the second mounting frame (9), the support frame (12) is connected with the push rod (11) in a sliding mode, a rack (13) is arranged on the push rod (11), a first gear (14) meshed with the rack (13) is vertically arranged on the second mounting frame (9), a first connecting shaft (19) is arranged in the middle of the first gear (14), and the bottom of the first connecting shaft (19) is fixedly connected to the second mounting frame (9) through a bearing seat;

a middle sleeve (15) is arranged at the top of the first connecting shaft (19), an outer sleeve (16) is sleeved outside the middle sleeve (15), the outer sleeve (16) is fixed on the first mounting frame (8), an inner sleeve (17) is sleeved in the inner sleeve of the middle sleeve (15), the inner sleeve (17) is in sliding connection with the middle sleeve (15), the bottom of the inner sleeve (17) is connected with the first connecting shaft (19), a second connecting shaft (18) is sleeved in the inner sleeve (17), the part, inserted into the prismatic through groove, of the second connecting shaft (18) is in axial sliding fit with the inner sleeve (17), and the part, inserted into the prismatic through groove, of the second connecting shaft (18) is in radial clamping connection with the inner sleeve (17);

the top rigid coupling of well sleeve (15) has rotatory shell (20), be provided with rotary disk (21) in rotatory shell (20), second connecting axle (18) pass behind rotary shell (20) with connect in the middle part of rotary disk (21), open on rotary disk (21) archimedes helicla flute (22), on rotatory shell (20) lateral wall, and along radial direction seted up a plurality of direction through-holes, a plurality of direction through-holes along the axis symmetric distribution of rotatory shell (20), every compress tightly stick (23) all interlude in the direction through-hole, compress tightly stick (23) and direction through-hole sliding fit, every all be provided with leading wheel (24) in the archimedes helicla flute (22), connect a leading wheel (24) on every compresses tightly stick (23) respectively.

2. The automatic spiral positioning and pressing welding equipment for the axle reinforcing ring according to claim 1, characterized in that a lifting mechanism (7) is arranged at the bottom of the first mounting frame (8), the lifting mechanism (7) comprises a third mounting frame (25), the third mounting frame (25) is connected to two ends of the first mounting frame (8), second cylinders (26) are arranged on two sides of the bottom of the third mounting frame (25), the two second cylinders (26) are fixed to the bottom of the third mounting frame (25), a top plate (27) is arranged between the first mounting frame (8) and the third mounting frame (25), piston rods of the two second cylinders (26) are connected to two sides of the top plate (27) respectively, and the middle portion of the top plate (27) is connected with the middle sleeve (15).

3. The automatic welding equipment for the spiral positioning and pressing of the axle reinforcing ring is characterized in that a rotary mechanism (54) for driving the spiral positioning structure to rotate horizontally is arranged at the bottom of the first mounting frame (8), the rotary mechanism (54) comprises two chassis (28) symmetrically installed on a foundation, a first mounting plate (29) is arranged between the two chassis (28), a rotary cylinder (30) is arranged at the bottom of the first mounting plate (29), a second gear (31) is arranged at the top of the first mounting plate (29), the second gear (31) is rotatably connected with the first mounting plate (29), a rotary shaft of the rotary cylinder (30) is connected with the second gear (31), a third gear (32) meshed with the second gear (31) is arranged on the side surface of the second gear (31), the third gear (32) is rotatably connected with the first mounting plate (29), a connecting plate (33) is installed above the third gear (32), the bottom of the third connecting plate (33) is connected with the third gear (32), the connecting plate (32) is connected with the middle part of the third gear (32), and the connecting plate (33) is respectively connected with the top of the first mounting frame (8) and the top of the second mounting frame (9).

4. The automatic welding equipment for the spiral positioning and pressing of the axle reinforcing ring is characterized in that an angle positioning mechanism (53) is arranged on the side face of the first mounting plate (29), the angle positioning mechanism (53) comprises a driven rotary table (34) arranged on one side of the first mounting plate (29), a driving rotary table (35) is arranged on the other side of the first mounting plate (29), one end of the driven rotary table (34) is connected with the first mounting plate (29), the other end of the driven rotary table (34) is rotatably connected with one of the machine boxes (28), the other end of the driving rotary table (35) is rotatably connected with the other machine box (28), a driving motor (36) is arranged at the end part of the driving rotary table (35), the driving motor (36) is connected with the machine boxes (28), a rotating shaft of the driving motor (36) penetrates through the machine boxes (28) and then is connected with the driving rotary table (35), a balancing weight (52) is arranged between the two machine boxes (28), and the balancing weight (52) is fixedly installed at the bottom of the first mounting plate (29).

5. The automatic spiral positioning and pressing welding equipment for the axle reinforcing ring according to claim 1, characterized in that end shaft end positioning assemblies (6) used for radially clamping the end portion of the axle housing are arranged at the two ends of the first mounting frame (8), and the two end shaft end positioning assemblies (6) are connected with the first mounting frame (8).

6. The spiral positioning and pressing automatic welding equipment for the axle reinforcing ring is characterized in that the end shaft end positioning assembly (6) comprises an end shaft clamping assembly (4), the clamping assembly comprises a second mounting plate (37), a fourth gear (38) is arranged at the center of the top of the second mounting plate (37), the fourth gear (38) is rotatably connected with the second mounting plate (37), a first sliding rail (40) for centering and clamping is installed on the second mounting plate (37), two first sliding blocks (39) in sliding fit with the first sliding rail (40) are installed on the first sliding rail (40), the two first sliding blocks (39) are rotationally and symmetrically distributed relative to the center point of the fourth gear (38), racks meshed with the fourth gear (38) are arranged on the side surfaces of the two first sliding blocks (39), a third air cylinder (41) for driving the first sliding blocks (39) to slide on the first sliding rail (40) is arranged on the second mounting plate (37), a third air cylinder (41) connected to the second mounting plate (37) is connected to the second mounting plate (37), and two limiting blocks (42) are installed on the side surfaces of the second mounting plate (37).

7. The automatic welding equipment for the spiral positioning and pressing of the axle reinforcing ring is characterized in that an end shaft translation assembly (5) is arranged at the bottom of the end shaft clamping assembly (4), the end shaft translation assembly (5) comprises a third mounting plate (44), the third mounting plate (44) is fixed to the side face of the first mounting frame (8), a lead screw (43) is arranged on the third mounting plate (44), two ends of the lead screw (43) are connected to the third mounting plate (44) through bearing seats, two second sliding rails (45) are arranged on the third mounting plate (44) along the axis direction of the lead screw (43), the two second sliding rails (45) are symmetrically distributed relative to the central axis of the lead screw (43), a second sliding block (46) is arranged on each of the two second sliding rails (45), the second sliding blocks (46) are connected with the second sliding rails (45) in a sliding mode, the tops of the two second sliding blocks (46) are connected to the bottom of the second mounting plate (37), a connecting piece (47) is sleeved on the lead screw (43), one end of the connecting piece (47) is connected with the other end of the lead screw (43) in a threaded mode, and the second sliding blocks (46) are connected with the second sliding blocks (46).

8. The automatic welding equipment for the spiral positioning and pressing of the axle reinforcing ring according to claim 7 is characterized in that a hand wheel (48) is arranged at the end of the lead screw (43), and the hand wheel (48) is connected with the lead screw (43).

9. The automatic welding equipment for the spiral positioning and pressing of the axle reinforcing ring is characterized in that a chuck (49) is arranged at the top of the first mounting frame (8), the chuck (49) is rotatably connected with the first mounting frame (8), a plurality of positioning blocks (51) for workpiece center positioning are arranged on the chuck (49), the positioning blocks (51) are distributed at equal intervals along the circumferential direction of the chuck (49), the bottom of each positioning block (51) is fixed on the chuck (49), and the side wall of each positioning block (51) abuts against the inner side walls of the axle housing and the reinforcing ring.

10. The automatic welding equipment for spirally positioning and pressing the axle reinforcing ring according to claim 9, characterized in that a pneumatic motor (50) for positioning a chuck (49) is arranged on the first mounting frame (8), the bottom of the pneumatic motor (50) is connected with the first mounting frame (8), and the end part of the pneumatic motor (50) abuts against the chuck (49).