CN215091327U - Metal welding machine - Google Patents

Abstract

The application relates to a metal welding machine, which comprises a welding mechanism, a track mechanism and a clamping mechanism, wherein the welding mechanism comprises two oppositely arranged friction welding machines, one of the friction welding machines is arranged on the upper end surface of the track mechanism, the clamping mechanism comprises a clamp, the hollow part of the clamp is positioned at the central position of the connecting line of the two friction welding machines, the outer end surface of the clamp is provided with a plurality of clamping components, each clamping component comprises a fixing frame, a multi-stage cylinder is fixedly connected inside the fixing frame towards the direction of the clamp, the multi-stage cylinder penetrates through the structure of the fixing frame, the end part of the multi-stage cylinder is positioned in the hollow part of the clamp, the output end of the multi-stage cylinder is fixedly connected with a clamping plate, and the arrangement direction of the end surface of the clamping plate is consistent with the arrangement direction of the structure of the clamp; the friction welding method has the effect of increasing the circumferential stability of the metal object in the friction welding process.

Description

Metal welding machine

Technical Field

The application relates to the field of friction welding, in particular to a metal welding machine.

Background

The existing friction stir welding process is mainly used for welding low-melting-point materials such as aluminum alloy and the like. As an advanced solid phase connection technology, friction welding is widely applied to the fields of aerospace, rail transit, national defense war industry, steamship and automobile and the like. In the friction welding process, a stirring head is inserted into a part to be welded of a workpiece, and the metal of the part is in a thermoplastic state by friction stir between the stirring head and the workpiece and plastically flows from the front end to the rear part of the part under the pressure action of the stirring head through friction stir, so that the part to be welded is welded into a whole.

In the main technical parameters of the friction welding machine during the welding of the metal joint, the linear speed of the metal joint has great influence on the welding quality of the metal joint, and is lower than the linear speed required during the friction welding of the metal joint, so that the welding quality of the joint is easy to be unstable or the welding is easy to fail. For the modern day of the development of metal materials, the linear speed of a metal joint is influenced by the structure of a friction welding machine when the traditional single-head friction welding machine is used for welding, so that the requirement cannot be met.

The traditional Chinese utility model with the publication number of CN201534262U discloses a friction welding machine, which comprises a friction welding machine body, a feeding oil cylinder and a U-shaped bolt, wherein the friction welding machine body consists of a machine body, a power source, a braking device, a speed reducing device, an automatic clamping device, a middle clamping device, a headstock and a main shaft; the feeding oil cylinder is arranged on the upper side of the automatic clamping device of the friction welding machine body, the center line of the feeding oil cylinder is parallel to the center line of the automatic clamping device of the friction welding machine body, the fixed end of the feeding oil cylinder is fixedly connected with a headstock of the friction welding machine body, a U-shaped bolt is arranged on the end face of the telescopic end of the feeding oil cylinder, and the U-shaped bolt is connected with a welding workpiece.

In view of the above-mentioned related art, the inventor believes that the automatic clamping device of the friction welding machine cannot adapt to the appearance structure of all metal objects, so that there is instability in the clamping process of the metal objects in the circumferential direction, and a great hidden danger exists in the welding process.

SUMMERY OF THE UTILITY MODEL

In order to increase the circumferential stability of a metal object during friction welding, the application provides a metal welding machine.

The technical scheme provided by the application is as follows:

a metal welding machine comprises a welding mechanism, a track mechanism and a clamping mechanism, wherein the welding mechanism comprises two oppositely arranged friction welding machines, and one of the friction welding machines is arranged on the upper end surface of the track mechanism; press from both sides material mechanism includes anchor clamps, the hollow portion of anchor clamps is located two the central point of friction welding machine line puts, the outer terminal surface of anchor clamps is provided with a plurality of clamping components, clamping components includes the mount, the inside orientation of mount the direction fixedly connected with multistage cylinder of anchor clamps, multistage cylinder wears to locate the structure and the tip of mount are located the hollow portion of anchor clamps, multistage cylinder's output rigid coupling has splint, the splint terminal surface set up the direction with the structure of anchor clamps sets up the direction and keeps unanimous.

Through adopting above-mentioned technical scheme, two friction welding machines set up relatively, make to treat that the welding object can be located the central point between two friction welding machines and put, treat that the welding object can install at first in anchor clamps, and come to adjust the position of splint through multistage cylinder, the splint descend towards the surface of treating the welding object in the effect of multistage cylinder and move, and finally with treat that the outer peripheral face of welding object closely butts, splint can fix the position of object in anchor clamps, and increase the circumference stability of the installation in-process of metallics, make the object can have more the efficiency in welding process.

Optionally, the clamping assemblies are evenly distributed in an array at the outer circumferential surface of the clamp.

Through adopting above-mentioned technical scheme, a plurality of splint can treat the welding object in the circumferential direction and carry out the centre gripping to increase the circumference stability of object in welding process, and then increase the installation intensity of object.

Optionally, the outer circumferential surface of the clamping plate abuts against the inner wall of the clamp when the clamping plate is in the non-telescopic state.

Through adopting above-mentioned technical scheme, the splint that circumference set up can be in the inside that can not interfere the object and install in anchor clamps, and scalable splint make splint and object outer wall butt after the installation is accomplished.

Alternatively, the clamping plate can be made of a high polymer rubber material.

Through adopting above-mentioned technical scheme, polymer rubber material has better structure elasticity for the surface microstructure of the adaptable different objects of splint, and polymer rubber material multiplicable with the frictional resistance of object centre gripping in-process, make the installation of object in four splint have good installation intensity, increase the structural stability of object in welding process.

Optionally, the rail mechanism includes two shearing lifting platforms, and the two shearing lifting platforms are respectively and fixedly connected to one end face of the friction welding machine and one back side face of the material clamping mechanism.

Through adopting above-mentioned technical scheme, it can carry out concertina movement on the horizontal direction to cut lift platform, when cutting lift platform and carry out the extension, can play the impetus to friction welding machine and material clamping mechanism carry out concertina movement at last under the effect of cutting lift platform, and cut the steerable friction welding machine of lift platform and the holistic motion state of material clamping mechanism, thereby can adjust according to the welding demand of difference.

Optionally, the welding mechanism includes a rotating main shaft and a welding head, the rotating main shaft is hollow and cylindrical, the peripheral surface of the end of the welding head is the same as the peripheral surface of the hollow part of the rotating main shaft in size, a plurality of inserting blocks are fixedly connected to the edge positions of the side wall of the welding head in a uniform array manner, a plurality of sliding grooves are formed in the end surface of the rotating main shaft, and the width of each sliding groove is matched with that of each inserting block.

By adopting the technical scheme, a worker can insert the welding head into the rotating main shaft 122, and the insertion block moves along the inside of the sliding groove at the moment, so that the end surface of the welding head is abutted against the end surface of the rotating main shaft, and the installation position of the welding head on the rotating main shaft is determined.

Optionally, the sliding groove is provided with a limiting groove at a horizontal or vertical position on an end surface inside the rotating main shaft, and the size of the limiting groove is the same as that of the plug-in block.

Through adopting above-mentioned technical scheme, when the soldered connection moved to suitable position, rotate the soldered connection and make the grafting piece rotate to the spacing groove in to make the lateral wall of grafting piece and the terminal surface butt of spacing inslot portion, the spacing groove can play limiting displacement to the soldered connection on the horizontal direction this moment, thereby the soldered connection can't be followed and is rotated the main shaft and extract.

Optionally, a plurality of fixing bolts are arranged towards the inside of the end face of the rotating main shaft, the fixing bolts are in threaded connection with the inside of the rotating main shaft, and the end portions of the fixing bolts penetrate through the insertion block.

Through adopting above-mentioned technical scheme, fixing bolt can play the effect of fixed position to the inserted block, and then prevents that the soldered connection from revolving and causing the possibility of welding failure.

To sum up, the application comprises the following beneficial technical effects:

1. the multi-stage cylinder can enable the clamping plates to move towards the metal object to be welded and tightly abut against the outer end face of the object, and the plurality of clamping plates can increase the connection strength for clamping the object in the circumferential direction, so that the circumferential stability of the object in the friction welding process is increased;

2. the shearing lifting platform can control the friction welding machine and the material clamping mechanism to move in the horizontal direction, so that the welding positions of different objects can be adjusted, and the flexibility of the object welding process is improved;

3. the soldered connection can realize rotating the epaxial quick assembly disassembly of main to the convenience is in time changed when the soldered connection damages, increases welding process's efficiency nature.

Drawings

FIG. 1 is a schematic diagram of a metal welding machine.

Fig. 2 is a structural sectional view of the rail mechanism.

FIG. 3 is a cross-sectional view of the internal structure of the friction welder.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is an exploded view of the process of inserting the welding head.

Fig. 6 is a structural section view of the material clamping mechanism.

Fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.

In the figure, 1, a welding mechanism; 11. a machine tool; 111. a center console; 112. mounting a bottom plate; 12. a friction welder; 121. a chassis; 122. rotating the main shaft; 123. stabilizing the bearing; 124. a shaft sleeve; 13. a hydraulic cylinder; 131. a coupling; 14. a rotating assembly; 141. rotating the motor; 142. a rotating wheel; 143. a belt pulley; 144. a belt; 15. a warmer; 16. welding the assembly; 161. welding a head; 162. an insertion block; 163. a chute; 164. a limiting groove; 165. fixing the bolt; 2. a track mechanism; 21. mounting grooves; 22. rotating the rod; 23. a rotating roller; 24. a transmission belt; 25. mounting a plate; 26. shearing the lifting platform; 3. a material clamping mechanism; 31. a support plate; 32. a support; 33. mounting a rod; 34. a clamp; 35. a clamping assembly; 351. a fixed mount; 352. a multi-stage cylinder; 353. and (4) clamping the plate.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a metal welding machine.

Referring to fig. 1, the metal welding machine comprises a welding mechanism 1, a track mechanism 2 and a clamping mechanism 3.

Referring to fig. 1 and 2, the welding mechanism 1 includes a machine tool 11, the machine tool 11 being rectangular and placed on a horizontal ground; the machine tool 11 comprises a center console 111, wherein the center console 111 is arranged on the upper end surface of the machine tool 11 and is connected with an external power supply through an electric wire, so that a worker can control the switch of the center console 111 through the external power supply, and the whole operation of the machine tool 11 is controlled; the upper end surface of the machine tool 11 is provided with two mounting base plates 112, and the mounting base plates 112 are rectangular and are screwed to the upper end surface of the machine tool 11 by bolts, so that the mounting base plates 112 can be attached and detached to and from the surface of the machine tool 11.

Referring to fig. 1 and 3, two friction welding machines 12 are oppositely arranged on the upper end surface of a machine tool 11, both the two friction welding machines 12 are in threaded connection with the upper end surface of a mounting base plate 112, each friction welding machine 12 comprises a case 121, the case 121 is a hollow rectangle and has a certain wall thickness, the end surface size of the case 121 is smaller than that of the mounting base plate 112, so that the mounting base plate 112 can circumferentially support the case 121, the lower end surface of the case 121 is provided with a threaded part, and the threaded part of the case 121 can be in threaded connection with the end surface of the mounting base plate 112 through a bolt, so that the case 121 can be quickly disassembled and assembled; through holes are formed in the center positions of the two side walls of the case 121 in the horizontal direction, and the inside of the case 121 is communicated with the external environment through the through holes; a rotating main shaft 122 is arranged at the horizontal central axis of the case 121, the rotating main shaft 122 is hollow and cylindrical, two ends of the rotating main shaft penetrate through the through hole and extend to the outside of two side walls of the case 121, and the rotating main shaft 122 is used for circumferential rotation inside the case 121.

Referring to fig. 3 and 4, in order to better fix the position of the rotating main shaft 122 in the chassis 121, a stabilizing bearing 123 is disposed at a through hole at one side of the chassis 121, the interior of the stabilizing bearing 123 is a hollow structure, and the size of the stabilizing bearing is the same as that of the outer circumferential surface of the rotating main shaft 122, the outer circumferential surface of the stabilizing bearing 123 at the through hole is fixedly connected with the inner wall of the through hole, the structure of the stabilizing bearing 123 outside the through hole is abutted against the side wall of the chassis 121, and the size of the outer structure of the stabilizing bearing 123 is larger than that of the through hole, so that the position of the stabilizing bearing 123 at the side wall of the chassis 121 is limited, the stabilizing bearing 123 is connected to the side wall of the chassis 121 through a plurality of bolt threads, and the stabilizing bearing 123 can support the rotating main shaft 122 without interfering the circumferential rotation of the rotating main shaft 122; the abutting part of the rotating main shaft 122 in the stabilizing bearing 123 is provided with a shaft sleeve 124, the size of the hollow part in the shaft sleeve 124 is the same as the size of the outer peripheral surface of the rotating main shaft 122, so that the shaft sleeve 124 can support the rotating main shaft 122, the size of the outer peripheral surface of the smaller circular ring part of the shaft sleeve 124 is the same as the size of the gap between the stabilizing bearing 123 and the rotating main shaft 122, the size of the larger circular ring of the shaft sleeve 124 is larger than the size of the through hole of the case 121, and the side wall of the larger circular ring of the shaft sleeve 124 abuts against the inner end surface of the side wall of the case 121, so that the shaft sleeve 124 can increase the structural strength between the rotating main shaft 122 and the stabilizing bearing 123 without interfering the normal rotation of the rotating main shaft 122.

Referring to fig. 3 and 4, a hydraulic oil cylinder 13 is arranged at the end part of the rotating main shaft 122, which is far away from the opposite friction welding machine 12, the output end of the hydraulic oil cylinder 13 is arranged towards the rotating main shaft 122, and the output end of the hydraulic oil cylinder 13 can move in the horizontal direction; a coupler 131 is arranged at the connection position of the output end of the hydraulic oil cylinder 13 and the end part of the rotating main shaft 122, and the coupler 131 enables the hydraulic oil cylinder 13 and the rotating main shaft 122 to be connected with each other, so that the output end of the hydraulic oil cylinder 13 can push the rotating main shaft 122 to move horizontally in the case 121.

Referring to fig. 3 and 4, the rotating main shaft 122 is provided with a rotating assembly 14 at the outer circumferential surface of the structure outside the side wall of the casing 121, and the rotating assembly 14 is used for controlling the circumferential rotation of the rotating main shaft 122; the rotating assembly 14 comprises a rotating motor 141, the rotating motor 14 is arranged on the upper end face of the case 121, and the output end of the rotating motor 141 is arranged towards the direction of the hydraulic oil cylinder 13; the outer peripheral surface of the output end of the rotating motor 141 is sleeved with the rotating wheel 142, and the hollow part inside the rotating wheel 142 is fixedly connected with the outer peripheral surface of the output end of the rotating motor 141, so that the rotating wheel 142 can be driven by the rotating motor 141 to rotate coaxially; the rotating main shaft 122 is provided with a belt pulley 143 on the outer circumferential surface of the structure outside the case 121, and the size of the hollow part of the belt pulley 143 is the same as that of the outer circumferential surface of the rotating main shaft 122, so that the rotation of the belt pulley 143 can drive the rotating main shaft 122 to rotate, and the belt pulley 143 and the rotating wheel 142 are located in the same plane in the vertical direction; the belt 144 is sleeved on the outer peripheral surfaces of the rotating wheel 142 and the belt pulley 143, the width of the belt 144 is matched with the width of the rotating wheel 142 and the width of the belt pulley 143, and the belt 144 can be driven by the rotating wheel 142 to rotate, so that the belt pulley 143 is driven to rotate, and the rotating main shaft 122 is driven to rotate.

Referring to fig. 3, the rotating spindle 122 is provided with a heater 15 on the inner peripheral surface of the case 121, the heater 15 is hollow cylindrical and can be controlled by an external power supply, and the heater 15 is used for controlling the overall temperature of the rotating spindle 122, so as to control the welding temperature of the friction welding machine 12.

Referring to fig. 3 and 5, the end of the rotating main shaft 122 away from the hydraulic oil cylinder 13 is provided with a welding assembly 16, and the welding assemblies 16 of the two friction welding machines 12 are arranged oppositely, so that the welding operation is carried out on the object to be welded; the welding assembly 16 includes a welding head 161, the outer circumference of the end of the welding head 161 is the same size as the circumference of the hollow portion of the rotating spindle 122, so that the welding head 161 can be installed inside the rotating spindle 122 and move along the same direction of the rotating spindle 122, and the welding heads 161 of the two friction welding machines 12 can be matched with each other, thereby realizing the friction welding of the objects to be welded.

Referring to fig. 5, in order to make the connection of the welding head 161 inside the rotating spindle 122 more tight, four insertion blocks 162 are fixedly connected to the outer peripheral edge of the insertion portion of the welding head 161, and the insertion blocks 162 are rectangular and uniformly distributed in an array at the edge of the side wall of the welding head 161; the end face of the rotating main shaft 122 is inwards provided with sliding grooves 163 with the same size as the inserting blocks 162, the cross sections of the sliding grooves 163 are rectangular, the number of the sliding grooves 163 is matched with the number of the inserting blocks 162, the sliding grooves 163 correspond to the inserting blocks 162 one by one, each sliding groove 163 forms a certain angle with the horizontal position or the vertical position, and the welding head 161 obliquely enters the rotating main shaft 122; a limiting groove 164 is formed in the end face of the sliding groove 163 in the rotating main shaft 122 in the horizontal or vertical direction, and the size of the limiting groove 164 is the same as that of the insertion block 162; in the working process, the worker can insert the welding head 161 into the rotating main shaft 122, the inserting block 162 moves along the inside of the sliding groove 163, when the inserting block moves to a proper position, the welding head 161 is rotated to enable the inserting block 162 to rotate into the limiting groove 164, the side wall of the inserting block 162 is enabled to be abutted against the end face of the inside of the limiting groove 164, and the limiting groove 164 can limit the welding head 161 in the horizontal direction.

Referring to fig. 5, in order to prevent the welding head 161 from rotating inside the rotating main shaft 122, four fixing bolts 165 are provided facing the inside of the end surface of the rotating main shaft 122, and the length of each fixing bolt 165 is equal to that of the sliding groove 163, and the fixing bolts 165 are screwed inside the rotating main shaft 122 and the end portions of the fixing bolts are inserted into the insertion block 162, so that the fixing bolts 165 can fix the position of the insertion block 162, and the welding head 161 is prevented from rotating to cause welding failure.

Referring to fig. 1 and 2, two rail mechanisms 2 are provided, one rail mechanism 2 is provided at the lower end of one of the friction welding machines 12, and the other rail mechanism 2 is provided on the end surface of the machine tool 11 and is arranged perpendicular to the horizontal axis center positions of the two friction welding machines 12; the rail mechanism 2 includes a mounting groove 21, the mounting groove 21 is rectangular and is opened from the upper end surface of the machine tool 11 toward the inside of the machine tool 11, and the circumferential dimension of the mounting groove 21 is larger than the dimension of the mounting base plate 112 so that the mounting base plate 112 and the friction welder 12 above the mounting base plate 112 can be mounted in the mounting groove 21.

Referring to fig. 1 and 2, the inside level of mounting groove 21 is provided with a plurality of dwang 22, and a plurality of dwang 22 are located same horizontal plane in mounting groove 21 is inside, and dwang 22 is cylindrical, and the both ends of dwang 22 all rotate the joint in two relative lateral walls of mounting groove 21 to the normal rotation of dwang 22 can not be interfered by mounting groove 21, and can play the supporting role to dwang 22 in mounting groove 21.

Referring to fig. 2, dwang 22 outer peripheral face department has cup jointed live-rollers 23, live-rollers 23 is hollow circular cylinder shape, and length is less than the length of dwang 22, make the both ends of live-rollers 23 all keep certain space with the lateral wall of mounting groove 21, thereby the lateral wall of mounting groove 21 can not interfere the normal rotation of live-rollers 23, the inside hollow portion size and the dwang 22 size looks adaptation of live-rollers 23, thereby live-rollers 23 can be closely connected on dwang 22, and follow dwang 22 and carry out the syntropy and rotate.

Referring to fig. 2, the peripheral surface of the plurality of rotating rollers 23 is provided with a transmission belt 24, the width of the transmission belt 24 is matched with the length of the rotating rollers 23, and the transmission belt 24 is tightly wound on the peripheral surface of the plurality of rotating rollers 23, so that the rotating rollers 23 can drive the transmission belt 24 to rotate circularly on the rotating rollers 23 in the rotating process, and the plurality of rotating rollers 23 can support an object above the transmission belt 24 and increase the stability of the object in the moving process.

Referring to fig. 2, a mounting plate 25 is arranged at an opening of the driving belt 24 above the mounting groove 21, the mounting plate 25 is rectangular, and the width of the mounting plate is adapted to the width of the driving belt 24, so that the driving belt 24 and the rotating roller 23 can circumferentially support the mounting plate 25, the lower end surface of the mounting plate 25 is fixedly connected with the upper end surface of the driving belt 24, the mounting plate 25 can move in the horizontal direction along with the driving belt 24 at the opening of the mounting groove 21, and the side walls at two sides of the mounting groove 21 can limit the movement of the mounting plate 25 in the horizontal direction, so that the mounting plate 25 can move the driving belt 24 in the horizontal direction at a certain distance; one of the friction welding machines 12 may be threaded onto the upper end surface of the mounting plate 25 such that the friction welding machine 12 moves in a horizontal direction in response to rotation of the drive belt 24.

Referring to fig. 1 and 2, in order to enable the friction welding machine 12 above the mounting plate 25 to perform relative movement towards the oppositely arranged friction welding machine 12, two shearing lifting platforms 26 are fixedly connected above the machine tool 11, the end surfaces of the output ends of the two shearing lifting platforms 26 are both positioned in the same horizontal plane with the inner wall of the mounting groove 21, the shearing lifting platforms 26 are horizontally arranged, and the output end of the shearing lifting platform 26 is fixedly connected with the end face of the rotating main shaft 122 of the friction welding machine 12, the shearing lifting platform 26 can do telescopic motion in the horizontal direction, when the shear lifting platform 26 is extended, it can push the friction welder 12, thereby friction welding machine 12 carries out concertina movement at last under the effect of shearing lift platform 26, and shears lift platform 26 steerable friction welding machine 12 holistic motion state to can adjust according to the welding demand of difference.

Referring to fig. 1 and 6, the clamping mechanism 3 comprises a supporting plate 31, the supporting plate 31 is rectangular and has a size matched with that of the mounting plate 25 of the vertically arranged track mechanism 2, and the supporting plate 31 is screwed on the upper end surface of the mounting plate 25, so that the detachability of the whole feeding mechanism 3 is increased; the horizontal axis position of the upper end surface of the supporting plate 31 is fixedly connected with two brackets 32, the two brackets 32 are uniformly distributed on the axis position of the supporting plate 31, and the brackets 32 can move above the transmission belt 24 along with the supporting plate 31; the up end rigid coupling of two supports 32 has installation pole 33, installation pole 33 is cylindrical, and the outer peripheral face size of installation pole 33 and the up end size looks adaptation of support 32 to support 32 can play the supporting role to installation pole 33, and the lateral wall of installation pole 33 one side is located same horizontal plane with the lateral wall of mounting groove 21 on vertical direction, and with the output rigid coupling of shearing lift platform 26, makes shearing lift platform 26 can promote installation pole 33 and move at the up end of drive belt 24.

Referring to fig. 6 and 7, a clamp 34 is fixedly connected to an end of the mounting rod 33, the clamp 34 is a circular ring, and a hollow portion of the clamp 34 is located at a central position of a connecting line of the two friction welding machines 12, so that the two friction welding machines 12 can perform welding operation on materials in the clamp 34; the outer end face of anchor clamps 34 is provided with clamping component 35, and clamping component 35 is provided with four, and evenly distributed at the outer peripheral face of anchor clamps 34 in an array, and clamping component 35 is used for pressing from both sides the object in anchor clamps 34 to prevent that the object from dropping and causing the welding failure in welding process.

Referring to fig. 6 and 7, the clamping assembly 35 includes a fixing frame 351, the fixing frame 351 is fixedly connected to the outer end face of the clamp 34, and a plane portion of the fixing frame 351 has a certain gap from the outer end face of the clamp 34, so as to increase a buffer distance between a structure on the fixing frame 351 and the outer end face of the clamp 34; inside direction fixedly connected with multistage cylinder 352 towards anchor clamps 34 of mount 351, multistage cylinder 352 accessible external power source controls, the lower terminal surface of multistage cylinder 352 and the terminal surface rigid coupling of mount 351, and during multistage cylinder 352 worn to locate anchor clamps 34's structure, make multistage cylinder 352 set up in the inside of the hollow portion of anchor clamps 34 from the output of mount 351, multistage cylinder 352 can carry out concertina movement in the place setting direction, and the normal motion of multistage cylinder 352 can not be interfered to anchor clamps 34's structure.

Referring to fig. 6 and 7, a clamp plate 353 is fixedly connected to an output end of the multistage cylinder 352, the clamp plate 353 is semi-arc-shaped, an end face setting direction is consistent with a structure setting direction of the clamp 34, the width of the clamp plate 353 is the same as that of the clamp 34, so that the clamp plate 353 and the clamp 34 are connected integrally, the four clamp plates 353 are all located in a hollow portion of the clamp 34 and can perform telescopic movement in the clamp 34 under the action of the multistage cylinder 352, the four clamp plates 353 can fix an object to be welded in the circumferential direction, and an object with irregular appearance can be clamped by adjusting the telescopic length of the multistage cylinder 352, so that the clamping degree of the clamp 34 to different objects is increased; the clamping plates 353 can be made of high polymer rubber materials, the high polymer rubber materials have good structural elasticity, the clamping plates 353 can adapt to surface microstructures of different objects, friction resistance between the high polymer rubber materials and the object in the clamping process can be increased, the object can be installed in the four clamping plates 353, good installation strength is achieved, and structural stability of the object in the welding process is improved.

The implementation principle of the metal welding machine in the embodiment of the application is as follows: in the working process, a worker can control one friction welding machine 12 to move towards the other friction welding machine 12 by controlling the shearing lifting platform 26, and the friction welding machine 12 moves on the transmission belt 24 along with the mounting plate 25 in the horizontal direction, so that friction welding of the two oppositely arranged friction welding machines 12 to the metal object is realized.

When the worker installs the welding head 16 on the friction welding machine 12, the worker can insert the welding head 16 into the rotating spindle 122 by hand, and the insertion block 162 moves along the inside of the sliding slot 163, when the weld head 16 is moved into position in the rotating spindle 122, the worker may rotate the weld head 161 so that the insert block 162 rotates into the retaining groove 164, and the side wall of the insertion block 162 abuts against the end surface inside the limiting groove 164, at this time, the limiting groove 164 can limit the butt joint 161 in the horizontal direction, when the insertion block 162 moves to the corresponding position, the fixing bolt 165 can be screwed into the rotating main shaft 122, so that the fixing bolt 165 is inserted into the insertion block 162 and abuts against the bottom end surface of the limiting groove 164, thereby fixing the circumferential position of the weld head 16 so that the installation of the weld head 161 on the rotating spindle 122 has good structural strength.

In the course of the work, the staff can install the metal object in anchor clamps 34, in order to make the more stable of object installation, accessible adjustment multistage cylinder 352 makes the interior terminal surface butt of splint 353, and four splint 353 can play the circumference supporting role to the object, and after the object is fixed to be accomplished, accessible adjustment is cuted lift platform 26 and is promoted installation pole 33 and remove towards the central point of two friction welding machines 12 for the object accessible two friction welding machines 12 weld.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a metal welding machine, includes welding mechanism (1), rail mechanism (2) and presss from both sides material mechanism (3), its characterized in that: the welding mechanism (1) comprises two oppositely arranged friction welding machines (12), wherein one friction welding machine (12) is arranged on the upper end face of the track mechanism (2); press from both sides material mechanism (3) including anchor clamps (34), the hollow portion of anchor clamps (34) is located two the central point of friction welding machine (12) line puts, the outer terminal surface of anchor clamps (34) is provided with a plurality of clamping components (35), clamping components (35) are including mount (351), mount (351) inside orientation the direction fixedly connected with multistage cylinder (352) of anchor clamps (34), multistage cylinder (352) wear to locate the structure and the tip of mount (351) are located the hollow portion of anchor clamps (34), the output rigid coupling of multistage cylinder (352) has splint (353), splint (353) terminal surface set up the direction with the structure of anchor clamps (34) sets up the direction and keeps unanimous.

2. A metal welding machine as defined in claim 1, characterized by: the clamping assemblies (35) are evenly distributed in an array at the outer circumferential surface of the clamp (34).

3. A metal welding machine as defined in claim 1, characterized by: the outer peripheral surface of the clamp plate (353) abuts against the inner wall of the clamp (34) when the clamp plate is not in the telescopic state.

4. A metal welding machine as defined in claim 1, characterized by: the clamping plate (353) can be made of a high polymer rubber material.

5. A metal welding machine as defined in claim 1, characterized by: the rail mechanism (2) comprises two shearing lifting platforms (26), the two shearing lifting platforms (26) are respectively fixedly connected with the output ends of the two shearing lifting platforms (26) at one end face of the friction welding machine (12) and one back side face of the material clamping mechanism (3).

6. A metal welding machine as defined in claim 1, characterized by: the welding mechanism (1) comprises a rotating main shaft (122) and a welding head (161), the rotating main shaft (122) is hollow and cylindrical, the peripheral surface of the end part of the welding head (161) is the same as the peripheral surface of the hollow part of the rotating main shaft (122), a plurality of inserting blocks (162) are fixedly connected at the edge positions of the side wall of the welding head (161) in a uniform array mode, a plurality of sliding grooves (163) are formed in the inner side of the end surface of the rotating main shaft (122), and the width of each sliding groove (163) is matched with that of each inserting block (162).

7. A metal welder according to claim 6, characterized in that: the sliding groove (163) is provided with a limiting groove (164) at the horizontal or vertical position of the end face inside the rotating main shaft (122), and the size of the limiting groove (164) is the same as that of the insertion block (162).

8. A metal welder according to claim 6, characterized in that: the end face of the rotating main shaft (122) faces towards the inside and is provided with a plurality of fixing bolts (165), the fixing bolts (165) are in threaded connection with the inside of the rotating main shaft (122), and the end parts of the fixing bolts penetrate through the insertion block (162).

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