CN214721863U - Welding tool - Google Patents

Abstract

The utility model provides a welding frock belongs to automation equipment technical field, including base, support, first hydro-cylinder, rotation axis, fixed chassis device, first locking mechanism, second locking mechanism, lift press device, transverse connection piece fixing device, longitudinal connection piece fixing device. The beneficial effects are that: the utility model does not need manual positioning operation in the whole fixing process, the working efficiency of positioning installation is high, and the accuracy of positioning installation is high; the utility model discloses can once only weld the completion with the inside and outside part needs welded gap of fork body, be applicable to the whole weldment work of fork body, can effectively improve the whole welded work efficiency of fork body.

Description

Welding tool

Technical Field

The utility model relates to an automation equipment technical field, concretely relates to welding frock.

Background

A forklift is an industrial transport vehicle, which is a working vehicle for loading, unloading, stacking, and short-distance transportation of a pallet, and is widely used in various places such as stations, harbors, airports, factories, and warehouses.

The forklift is also known as a transporting vehicle and mainly comprises a handle, an oil cylinder, a pallet fork and wheels. Wherein the fork part includes parts such as fork foot, crosspiece, support frame, upper cover plate again, just can carry out next step to these parts all need carry out welded connection after. Fork among the prior art is when welding, because of only simple and easy welding frock, just weld the part that wants the welded one-to-one through manual operation, the frock during welding is also simple relatively moreover, and this is obviously inconsistent to the mode that the enterprise becomes batch production, also can not catch up with the production rhythm simultaneously, greatly reduced work efficiency.

The patent of application number CN202011005253.X provides a welding frock and welding method of tray hauler goods fork leg assembly, and wherein welding frock includes platform frame, revolving cylinder, first tilting mechanism and second tilting mechanism, platform frame side is equipped with the curb plate, platform frame upper end is equipped with a plurality of positioning seats, revolving cylinder and platform frame middle part fastening connection, revolving cylinder's piston rod output end is equipped with the cross bar, first tilting mechanism and second tilting mechanism are connected with the curb plate.

According to the technical scheme, the transverse pressure rod is driven by the rotary cylinder, so that two goods fork legs are simultaneously pressed; through the first turnover mechanism, accurate turnover positioning of the four bearing seats is realized, welding operation of the two fork legs under the same positioning reference is guaranteed, and welding accuracy is guaranteed; through the second turnover mechanism, the accurate turnover positioning of the two roller seats is realized, the welding operation of the two goods fork legs under the same positioning reference is ensured, and the welding precision is ensured.

The four positioning seats are arranged, and the two positioning seats on the same side are in a group, so that the positioning operation of two goods fork legs is realized at the same time; the upper end of the platform frame is provided with a plurality of limiting seats, the limiting seats are positioned in front of the front end positioning seat, the pushing depth of the fork legs is limited by the limiting seats, and the welding positions of the bearing seat and the roller seat are ensured; the upper end of the platform frame is provided with a plurality of supporting seats, the end parts of the fork legs are supported, and when the pressure plate in the first turnover mechanism is guaranteed to tightly press the fork legs, the lower ends of the fork legs are in contact with the supporting seats, and the welding positions of the bearing seats and the roller seats are guaranteed.

According to the technical scheme, although the welding efficiency and the welding precision of the goods fork legs, the bearing seats and the roller seats are effectively improved, the goods fork legs, the bearing seats and the roller seats are not all structures of the goods fork, and the goods fork legs, the bearing seats and the roller seats still need to be transferred to other platforms to weld other structural members after the goods fork legs, the bearing seats and the roller seats are welded. The welding work among all the structures of the fork can not be efficiently and conveniently finished.

The patent with the application number of CN201220283170.1 provides an automatic pallet fork welding workbench which comprises a base, wherein an n-shaped rotating platform is arranged on the upper end face of the base, a telescopic plate is arranged right in front of the rotating platform, and positioning blocks and a pressing device are arranged on two side edges of the rotating platform; the bottom of the rotating platform is provided with a displacement unit and a supporting unit for controlling the rotating platform to rotate; a positioning device is arranged in the middle of the outer surface of the rotating table; the telescopic plate is connected with a cylinder for controlling the telescopic motion of the telescopic plate; two rotating platforms are symmetrically arranged on the base; the pressing device is a corner pressing oil cylinder, and two corner pressing oil cylinders are respectively arranged on two sides of the upper end surface of the rotating platform; the positioning device is a cylinder, and the upper end face and the front end face of the rotating platform are respectively provided with two cylinders.

During this technical scheme welding, earlier put the fork of couple on the spot welding simultaneously the fork station on two revolving stages by haulage equipment, carry out preliminary location to the fork by the locating piece of revolving stage both sides. The expansion plate in the right front of the rotary table is driven by the cylinder to push the vertical section of the pallet fork to be attached and positioned with the front end face of the rotary table, and after the expansion plate is positioned, the expansion plate returns to the original position. At the moment, a positioning device cylinder arranged between the two pallet fork stations positions the pallet forks left and right under the pushing of a piston; then the fork is clamped and fixed by a corner oil cylinder of the pressing device. At the moment, after a sensing system of the robot receives a signal, the hook on the pallet fork starts to be welded. After welding, the displacement unit drives the supporting unit to laterally rotate the rotating table for 180 degrees together to displace, so that the upper end face of the rotating table faces downwards, and a robot can conveniently weld a welding seam on the other side of the hook. When the pallet fork on the other rotating platform is also positioned and fixed, the robot can weld the pallet fork on the rotating platform after the welding task of the previous rotating platform is completed after receiving the signal. And the welded pallet fork is timely conveyed away by the conveying equipment, and the pallet fork to be welded is conveyed again, so that the welding is circularly carried out.

The technical scheme effectively improves the working efficiency and the working quality of the welding of the hook on the fork; when the robot is used for welding, the robot can alternately work on the rotating table, so that the waiting time of the robot is effectively avoided, and the production efficiency is improved; the gaps on the two sides of the hook can be welded in one process through rotary deflection, so that the welding quality is improved, carrying equipment is reduced, the production line is simplified, and the investment cost is saved. However, this kind of weldment work platform still just welds a certain structure on the fork, and it can't compromise the weldment work between the whole structure of fork, is not suitable for the whole weldment work of fork, can't improve the whole welded work efficiency of fork.

The patent with the application number of CN201821167191.0 provides a heavy pallet fork welding system, which comprises a feeding mechanism, wherein a carrying device is arranged at the rear end of the feeding mechanism, a plurality of turnover platforms are arranged between adjacent carrying devices, a blanking mechanism is arranged at the rear end of the carrying device at the tail end, a welding device is arranged on one side of the carrying device, a positioning clamp is arranged in the carrying device, and a plurality of welding devices are arranged and are in one-to-one correspondence with the carrying device; the conveying device comprises a first conveying device and a second conveying device which are arranged on two sides of the turnover platform, and the second conveying device is positioned at the front end of the blanking mechanism; the first carrying device and the second carrying device are both carrying robots; the welding device is provided with two first welding mechanisms and two second welding mechanisms, the first welding mechanisms are arranged corresponding to the first carrying device, and the second welding mechanisms are arranged corresponding to the second carrying device; the welding device is a welding robot; the feeding mechanism and the discharging mechanism are both in a conveying belt structure.

This technical scheme is through setting up unloader and multiunit transport welding mechanism on and then can cooperate through handling device and welding mechanism, therefore can last quick under unmanned operation's the condition weld heavy fork, can set up multiunit welding station according to the fork welded position change condition in welded engineering moreover, and then very big improvement welding efficiency and welding quality, still reduced workman's intensity of labour simultaneously, improved production efficiency.

Although the technical scheme improves the pallet fork welding efficiency and welding quality, the labor intensity of workers is reduced, and the production efficiency is improved. However, the welding workbench still only welds certain structures on the fork, but still cannot give consideration to the welding work between the whole structures of the fork, is not suitable for the whole welding work of the fork, and cannot improve the whole welding work efficiency of the fork.

Therefore, it is very necessary to provide a welding tool.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides a welding frock can solve above-mentioned problem comprehensively.

In order to achieve the above object, the utility model adopts the following technical means:

the utility model provides a welding tool, includes the base, the top of base is provided with fixed chassis device, fixed chassis device rotates through rotation axis and base to be connected, the base still promotes through first hydro-cylinder and fixed chassis device to be connected, be equipped with the first locking mechanism of rigid coupling on the fixed chassis device, one side on base top is equipped with the lift press device of rigid coupling, the lift press device is provided with second locking mechanism with the side that corresponds of fixed chassis device, second locking mechanism is connected with the top of base, the both sides of second locking mechanism are equipped with transverse connection piece fixing device, longitudinal connection piece fixing device respectively, transverse connection piece fixing device and longitudinal connection piece fixing device's stiff end is connected with the top of base respectively.

The utility model discloses further preferred scheme: the pushing end of the first oil cylinder is connected with the fixed chassis device through a support, the fixed end of the first oil cylinder is connected with the base through another support, and the support is of a T-shaped structure.

The utility model discloses further preferred scheme: the fixed chassis device comprises a bearing chassis, two groups of height adjusting cylinders which are correspondingly distributed are arranged on two sides of the short edge direction of the bearing chassis respectively, the height adjusting cylinders are connected with the bearing chassis through connecting plates, supporting shaft rods which are rotatably connected are arranged between pushing ends of the two groups of height adjusting cylinders which are positioned on the same central line of the short edge direction, one side of the bearing chassis, which is far away from the lifting pressing device, is provided with two groups of horizontal supporting cylinders which are fixedly connected, the horizontal supporting cylinders are arranged symmetrically, and the middle of the bearing chassis is provided with pressing arms which are rotatably connected.

The utility model discloses further preferred scheme: first locking mechanism is equipped with two sets ofly, and is two sets of first locking mechanism distributes respectively in the both sides of fixed chassis device minor face direction, and is two sets of first locking mechanism centrosymmetry, first locking mechanism includes the fixed plate, the top of fixed plate is provided with adjacent corner and compresses tightly hydro-cylinder, location cylinder, the stiff end that corner compresses tightly hydro-cylinder and location cylinder is connected with the top surface of fixed plate respectively, the flexible rotatory end that the corner compresses tightly the hydro-cylinder is equipped with the cross bar of rigid coupling, the catch end of first location cylinder corresponds with fixed chassis device's the region of placing.

The utility model discloses further preferred scheme: the second locking mechanism comprises a transverse plate supporting frame, the transverse plate supporting frame is connected with the base through a connecting plate, a first driving fastener is arranged at the top end of the transverse plate supporting frame, the first driving fastener is connected with the base through a second oil cylinder, second driving fasteners and driving cylinders are respectively arranged on two sides of the first driving fasteners, the driving cylinders are located on the same side and are connected with the second driving fasteners through driving rotating shafts in a transmission mode, the clamping end of each second driving fastener is provided with a rotating shaft supporting frame, and the rotating shaft supporting frames are connected with the base through the connecting plate.

The utility model discloses further preferred scheme: the lifting pressing device comprises a support frame, a lifting mechanism, a connecting template and a pressing mechanism, wherein the support frame is provided with two groups of support frames which are centrosymmetric and two groups of support frames, one end of each support frame is connected with the top end of the base, the lifting mechanism is arranged between the two groups of support frames and connected with the support frames, and the pressing mechanism is arranged at the pushing end of the lifting mechanism and connected with the lifting mechanism through the connecting template.

The utility model discloses further preferred scheme: the lifting mechanism comprises fixed blocks, the fixed blocks are arranged between the two groups of supporting frames and fixedly connected with the supporting frames, lifting blocks are arranged at the bottom ends of the fixed blocks, third oil cylinders are arranged between the fixed blocks and the lifting blocks, pushing ends of the third oil cylinders are connected with the bottom surfaces of the fixed blocks, fixed ends of the third oil cylinders are connected with the top surfaces of the lifting blocks, guide sleeves fixedly connected with each other are arranged at corners of the bottom ends of the fixed blocks, guide columns fixedly connected with each other are arranged at corners of the top ends of the lifting blocks, the guide columns correspond to the guide sleeves, and one ends of the guide columns penetrate through the guide sleeves and the bottom surfaces of the fixed blocks and the connecting templates.

The utility model discloses further preferred scheme: the pressing mechanism comprises clamping rods which are symmetrically arranged at the left center and the right center and can rotate, ratchets which can drive the clamping rods to rotate, connecting rods are connected with the ratchets, handles which are fixedly connected are arranged at one ends of the ratchets, which are far away from the connecting rods, the ratchets are provided with rotation stopping parts which are fixedly connected, the connecting rods are connected with the ratchets through first shafts, the clamping rods are connected with the connecting rods through second shafts, the clamping rods are connected with connecting templates through third shafts, the horizontal central shafts of the first shafts and the second shafts and the rotation centers of the ratchets are positioned on the same central shaft when the pressing mechanism is in a locking state, the distance between the center of the first shaft and the center of the ratchets is the largest when the pressing mechanism is in an opening state, a rotation cylinder is arranged between the two groups of clamping rods, and the fixed end of the rotation cylinder is connected with the connecting templates, the rotary pressing end of the rotary cylinder is provided with a pressing block fixedly connected, a supporting piece is further arranged between the two groups of clamping rods and connected with the connecting template, a positioning piece is arranged between the supporting piece and the rotary cylinder and connected with the connecting template.

The utility model discloses further preferred scheme: the transverse connecting piece fixing device comprises a transverse pushing cylinder, a pushing end of the transverse pushing cylinder is provided with a transverse positioning block fixedly connected with the transverse pushing cylinder, and the transverse positioning block corresponds to the placement area of the fixed chassis device.

The utility model discloses further preferred scheme: the longitudinal connecting piece fixing device comprises a longitudinal pushing cylinder, a pushing end of the longitudinal pushing cylinder is provided with a longitudinal positioning block fixedly connected, the longitudinal positioning block corresponds to the placement area of the fixing chassis device, and the longitudinal positioning block is of an inverted L-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixed chassis device can bear the weight of the structure of fork body and place, use the mosaic structure that can effectively fix fork body bottom through first locking mechanism and second locking mechanism cooperation, mosaic structure at fork body top can effectively be fixed through lift press device, use violently when can effectively fix the welding through transverse connection piece fixing device and longitudinal tie piece fixing device cooperation, longitudinal tie piece, whole fixed process need not manual location operation, the work efficiency of location installation is high, the accuracy of location installation is high.

2. The utility model discloses can once only weld the completion with the inside and outside part needs welded gap of fork body, be applicable to the whole weldment work of fork body, can effectively improve the whole welded work efficiency of fork body. The fork foot, crosspiece, support frame, pivot pole etc. of fork body are once only fixed mounting on fixed chassis device to fix through first locking mechanism and second locking mechanism, the upper cover plate of fork body passes through elevating system and pressing mechanism and fixes to the support frame, utilizes welding robot hand to weld the outside gap of fork foot, crosspiece, support frame, upper cover plate of fork body. After the external welding is finished, the second locking mechanism is removed, the first oil cylinder is started, the fixed chassis device is jacked up, the fixed chassis device rotates 45 degrees by taking the rotating shaft as the center, and the fixed chassis device stops immediately. Welding manipulator welds the inside gap of fork foot, crosspiece, support frame, the upper cover plate of fork body once more, and after the welding was accomplished, first hydro-cylinder moved back, and the level state is arranged in to fixed chassis device, loosens first locking mechanism, takes off fork body finished product spare.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a first schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a third schematic structural diagram of the present invention.

Fig. 4 is an enlarged view of a portion of fig. 2.

Fig. 5 is a partial enlarged view of the present invention at B in fig. 2.

Fig. 6 is a schematic structural view of the lifting pressing device of the present invention.

Fig. 7 is a schematic structural diagram of the lifting mechanism and the pressing mechanism of the present invention.

Fig. 8 is a schematic view of a part of the pressing mechanism of the present invention.

Fig. 9 is a schematic view of a partial structure of the pressing mechanism of the present invention.

Fig. 10 is a schematic structural view of the lateral connection piece fixing device of the present invention.

Fig. 11 is a schematic structural view of the fixing device for longitudinal connecting pieces of the present invention.

In the figure:

1. a base; 2. a support; 3. a first cylinder; 4. a rotating shaft; 5. fixing the chassis device; 6. a fork body; 7. a first locking mechanism; 8. a second locking mechanism; 9. a lifting pressing device; 10. a transverse connecting sheet fixing device; 11. a longitudinal connecting piece fixing device; 501. a load-bearing chassis; 502. a height adjusting cylinder; 503. a support shaft; 504. a horizontal support cylinder; 505. pressing the arm; 701. a fixing plate; 702. a corner pressing oil cylinder; 703. a transverse compression bar; 704. positioning the air cylinder; 801. a transverse plate support frame; 802. a first drive fastener; 803. a second drive fastener; 804. driving the rotating shaft; 805. a driving cylinder; 806. a second cylinder; 807. a rotating shaft support frame; 91. a support frame; 92. a lifting mechanism; 93. connecting the templates; 94. a pressing mechanism; 921. a fixed block; 922. a third oil cylinder; 923. a lifting block; 924. a guide post; 925. a guide sleeve; 941. a handle; 942. a ratchet; 943. a rotation stop section; 944. a first coupling; 945. a connecting rod; 946. a second coupling; 947. a rotating cylinder; 948. a pressing block; 949. a support member; 9410. a positioning member; 9411. a clamping lever; 9412. a third shaft; 1001. a transverse pushing cylinder; 1002. a transverse positioning block; 1101. a longitudinal pushing cylinder; 1102. and (5) longitudinally positioning the blocks.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in the attached drawings 1 to 3, the utility model provides a welding tool, which comprises a base 1, the top end of the base 1 is provided with a fixed chassis device 5, the fixed chassis device 5 is rotationally connected with the base 1 through a rotating shaft 4, the base 1 is also connected with a fixed chassis device 5 in a pushing way through a first oil cylinder 3, a first locking mechanism 7 fixedly connected with the fixed chassis device 5 is arranged on the fixed chassis device 5, one side of the top end of the base 1 is provided with a lifting pressing device 9 which is fixedly connected, the corresponding side of the lifting pressing device 9 and the fixed chassis device 5 is provided with a second locking mechanism 8, the second locking mechanism 8 is connected with the top end of the base 1, a transverse connecting sheet fixing device 10 and a longitudinal connecting sheet fixing device 11 are respectively arranged at the two sides of the second locking mechanism 8, the fixed ends of the transverse connecting sheet fixing device 10 and the longitudinal connecting sheet fixing device 11 are respectively connected with the top end of the base 1.

As shown in fig. 1 and fig. 3, in the above embodiment, specifically, the pushing end of the first oil cylinder 3 is connected to the fixed chassis device 5 through a support 2, the fixed end of the first oil cylinder 3 is connected to the base 1 through another support 2, and the support 2 is in a "T" shape.

This kind of setting can be convenient for first hydro-cylinder 3 promotes fixed chassis device 5 and carries out the rotation work, and first hydro- cylinder 3 and 4 cooperation uses and can make fixed chassis device 5 and base 1 present 45 degrees contained angles, can be convenient for fix the welding in 6 inside gaps of fork body on the chassis device 5.

As shown in fig. 2, in the above embodiment, specifically, the fixed chassis device 5 includes a bearing chassis 501, two sets of height adjusting cylinders 502 are respectively disposed on two sides of the short side direction of the bearing chassis 501, the height adjusting cylinders 502 are connected to the bearing chassis 501 through a connecting plate, a rotatably connected supporting shaft 503 is disposed between pushing ends of the two sets of height adjusting cylinders 502 on the same center line of the short side direction, a fixedly connected horizontal supporting cylinder 504 is disposed on one side of the bearing chassis 501 away from the lifting pressing device 9, the horizontal supporting cylinders 504 are two sets, the two sets of horizontal supporting cylinders 504 are centrosymmetric, and a rotatably connected pressing arm 505 is disposed in the middle of the bearing chassis 501.

Promote supporting shaft 503 through height adjusting cylinder 502 and rise or descend and to adjust and bear the chassis 501 on the fork body 6 and bear the chassis 501 between the distance, can make and bear the chassis 501 and can be applicable to not equidimension fork body 6, simultaneously, the welding height when also being convenient for adjust fork body 6 welding has effectively improved the work efficiency when welding. Horizontal support cylinder 504 can support fixedly to the fork foot in the fork body 6, stability when can effectively improve fork body 6 fixed mounting. The pressure arm 505 can press the crosspiece between the two fork feet in the fork body 6, and can effectively improve the stability of the crosspiece during welding.

As shown in fig. 4, in the above embodiment, specifically, two sets of the first locking mechanisms 7 are provided, two sets of the first locking mechanisms 7 are respectively distributed on two sides of the short side direction of the fixed chassis device 5, the two sets of the first locking mechanisms 7 are centrosymmetric, the first locking mechanism 7 includes a fixed plate 701, the top end of the fixed plate 701 is provided with an adjacent corner pressing oil cylinder 702 and a positioning air cylinder 704, the fixed ends of the corner pressing oil cylinder 702 and the positioning air cylinder 704 are respectively connected with the top surface of the fixed plate 701, the telescopic rotating end of the corner pressing oil cylinder 702 is provided with a fixedly connected transverse pressing rod 703, and the pushing end of the first positioning air cylinder 704 corresponds to the placement area of the fixed chassis device 5.

The first locking mechanism 7 is capable of effectively positioning the fork legs of the fork body 6. Firstly, the positioning cylinder 704 is used for pressing the fork leg through the telescopic end, so that the fork leg is effectively positioned in the horizontal plane direction, and the corner pressing cylinder 702 is used for pressing the top surface of the fork leg through rotating and telescopic actions, so that the fork leg is effectively positioned in the vertical plane direction. So that the fork legs of the fixed chassis arrangement 5 do not fall off during rotation.

As shown in fig. 5, in the above embodiment, specifically, the second locking mechanism 8 includes a transverse plate supporting frame 801, the transverse plate supporting frame 801 is connected to the base 1 through a connecting plate, a first driving fastener 802 is disposed at a top end of the transverse plate supporting frame 801, the first driving fastener 802 is connected to the base 1 through a second oil cylinder 806, a second driving fastener 803 and a driving air cylinder 805 are disposed on two sides of the first driving fastener 802, the driving air cylinder 805 on the same side is in transmission connection with the second driving fastener 803 through a driving rotating shaft 804, a rotating shaft supporting frame 807 is disposed at a fastening end of the second driving fastener 803, and the rotating shaft supporting frame 807 is connected to the base 1 through a connecting plate.

The second locking mechanism 8 is effective to locate the cross piece of the fork body 6 and the pivot shaft within the support bracket. Can effectively place the crosspiece through diaphragm support frame 801, make the buckle end joint of first drive fastener 802 on the crosspiece top through the first drive fastener 802 of second hydro-cylinder 806 drive to effectively make the crosspiece to be located the top of diaphragm support frame 801. Can effectively place the pivot pole through pivot support frame 807, drive pivot 804 through driving actuating cylinder 805 and rotate, drive pivot 804 drives second drive fastener 803 and makes the buckle end joint of second drive fastener 803 at the top of pivot pole to effectively make the pivot pole be located the top of pivot support frame 807.

As shown in fig. 6, in the above embodiment, specifically, the lifting pressing device 9 includes two sets of support frames 91, a lifting mechanism 92, a connecting template 93, and a pressing mechanism 94, where the two sets of support frames 91 are arranged in a central symmetry, one end of each of the two sets of support frames 91 is connected to the top end of the base 1, the lifting mechanism 92 is arranged between the two sets of support frames 91 and connected to the support frames 91, and the pressing mechanism 94 is arranged at the pushing end of the lifting mechanism 92 and connected to the lifting mechanism 92 through the connecting template 93.

The press 94 on support frame 91 top can be raised to elevating system 92 to be convenient for press 94 to place the upper cover plate of fork body 6, elevating system 92 reduces the height of press 94 behind the press 94 compressing tightly the upper cover plate, makes the upper cover plate on the press 94 laminate with the support frame on fixed chassis device 5 top, thereby be convenient for upper cover plate and support frame welding.

As shown in fig. 7, in the above embodiment, it is specific, lifting mechanism 92 includes fixed block 921, fixed block 921 sets up in two sets of between support frame 91 and with support frame 91 rigid coupling, the bottom of fixed block 921 is provided with elevator 923, be provided with third hydro-cylinder 922 between fixed block 921 and the elevator 923, the promotion end of third hydro-cylinder 922 is connected with the bottom surface of fixed block 921, the stiff end of third hydro-cylinder 922 is connected with the top surface of elevator 923, the edge of fixed block 921 bottom is equipped with the guide pin bushing 925 of rigid coupling, the edge on elevator 923 top is equipped with the guide pillar 924 of rigid coupling, guide pillar 924 corresponds with guide pin bushing 925, guide pin bushing 925 and fixed block 921 are run through to the one end of guide pillar 924 and the bottom surface rigid coupling of connecting template 93.

The fixed block 921 is fixedly connected to the support frame 91, so that the lifting block 923 can push the connecting template 93 conveniently. The pushing end of the third cylinder 922 is ejected out, so that the lifting block 923 can move downwards, and the lifting block 923 can drive the connecting template 93 to move downwards through the guide post 924 in the downward moving process, so that the height of the pressing mechanism 94 is reduced. The pushing end of the third oil cylinder 922 contracts, so that the lifting block 923 can move upwards, and the lifting block 923 can move upwards by driving the connecting template 93 through the guide post 924 in the upward moving process, thereby completing the height-adjusting work of the pressing mechanism 94. The guide sleeve 925 can effectively guarantee the direction of the guide pillar 924, and can improve the accuracy of up-down movement of the guide pillar 924.

As shown in fig. 7 to fig. 9, in the above embodiment, specifically, the pressing mechanism 94 includes a clamping rod 9411 which is arranged symmetrically with respect to the left and right center and can rotate, and a ratchet 942 which can drive the clamping rod 9411 to rotate, the clamping rod 9411 is connected to the ratchet 942 through a connecting rod 945, one end of the ratchet 942, which is far away from the connecting rod 945, is provided with a fixed handle 941, the ratchet 942 is provided with a fixed rotation stop portion 943, the connecting rod 945 is connected to the ratchet 942 through a first coupling 944, the clamping rod 9411 is connected to the connecting rod 945 through a second coupling 946, the clamping rod 9411 is connected to the connecting template 93 through a third coupling 9412, the horizontal central axes of the first coupling 944 and the second coupling 946 and the rotation center of the ratchet 942 are on the same central axis when the pressing mechanism 94 is in the locked state, and the distance between the center of the first coupling 944 and the center of the ratchet 942 is the largest when the pressing mechanism 94 is in the unlocked state, two sets of be provided with revolving cylinder 947 between the clamp pole 9411, revolving cylinder 947's stiff end is connected with connection template 93, revolving cylinder 947's rotation is pressed the end and is equipped with the pressure piece 948 of rigid coupling, and is two sets of still be provided with support 949 between the clamp pole 9411, support 949 is connected with connection template 93, be provided with setting element 9410 between support 949 and the revolving cylinder 947, setting element 9410 is connected with connection template 93.

The handles 941 are pushed so that the two sets of handles 941 can be parallel to each other, and at this time, the two sets of clamping rods 9411 can effectively clamp the supporting frame on the top end of the fixed chassis device 5. Starting revolving cylinder 947, revolving cylinder 947 can press the upper cover plate of fork body 6 through pressing the piece 948 to make upper cover plate and support frame be inseparabler and be connected. The supporting member 949 and the positioning member 9410 are used in cooperation to stably support the upper cover plate, thereby effectively improving the stability of the upper cover plate after being fixed.

As shown in fig. 10, in the above embodiment, specifically, the transverse connecting sheet fixing device 10 includes a transverse pushing cylinder 1001, a transverse positioning block 1002 fixedly connected to a pushing end of the transverse pushing cylinder 1001 is provided, and the transverse positioning block 1002 corresponds to a placement area of the fixed chassis device 5.

This arrangement can facilitate the positioning and mounting of the transverse web. The transverse pushing cylinder 1001 pushes the transverse positioning block 1002, and the transverse positioning block 1002 pushes the transverse connecting piece to enable the transverse connecting piece to be tightly connected with the fork leg, so that the working efficiency of welding the transverse connecting piece and the fork leg is effectively improved.

As shown in fig. 11, in the above embodiment, specifically, the longitudinal connecting piece fixing device 11 includes a longitudinal pushing cylinder 1101, a pushing end of the longitudinal pushing cylinder 1101 is provided with a fixedly connected longitudinal positioning block 1102, the longitudinal positioning block 1102 corresponds to a placement area of the fixed chassis device 5, and the longitudinal positioning block 1102 is of an inverted "L" shaped structure.

This arrangement can facilitate the positioning and mounting of the longitudinal connecting piece. The longitudinal pushing cylinder 1101 pushes the longitudinal positioning block 1102, and the longitudinal positioning block 1102 pushes the longitudinal connecting piece to enable the longitudinal connecting piece to be tightly connected with the supporting frame, so that the working efficiency of welding the longitudinal connecting piece and the supporting frame is effectively improved. The design of "L" type structure can be convenient for longitudinal direction locating piece 1102 to press the longitudinal direction connection piece, is convenient for the longitudinal direction connection piece laminating support frame.

Principle of operation

Fixing and installing:

the fixed chassis device 5 can bear the weight of the structure of the fork body 6 and place, can effectively fix the splicing structure at the bottom of the fork body 6 through the cooperation of the first locking mechanism 7 and the second locking mechanism 8, can effectively fix the splicing structure at the top of the fork body 6 through the lifting and pressing device 9, and can effectively fix the transverse and longitudinal connecting pieces used during welding through the cooperation of the transverse connecting piece fixing device 10 and the longitudinal connecting piece fixing device 11.

Fixing and welding:

the fork foot, the crosspiece, the support frame, the pivot pole and other parts of the fork body 6 are fixedly arranged on the fixed chassis device 5 at one time and are fixed through the first locking mechanism 7 and the second locking mechanism 8, the upper cover plate of the fork body 6 is fixed on the support frame 91 through the lifting mechanism 92 and the pressing mechanism 94, and the outer gaps of the fork foot, the crosspiece, the support frame and the upper cover plate of the fork body 6 are welded through a welding robot hand. After the external welding is finished, the second locking mechanism 8 is removed, the first oil cylinder 3 is started, the fixed chassis device 5 is jacked up, the fixed chassis device 5 rotates by 45 degrees by taking the rotating shaft 4 as the center, and the fixed chassis device is immediately stopped. Welding manipulator welds the inside gap of fork foot, crosspiece, support frame, the upper cover plate of fork body 6 once more, and after the welding was accomplished, first hydro-cylinder 3 rolled back, and the horizontality is arranged in to fixed chassis device 5, loosens first locking mechanical system 7, takes off 6 finished product spare of fork body.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A welding tool is characterized by comprising a base (1), wherein a fixed chassis device (5) is arranged at the top end of the base (1), the fixed chassis device (5) is rotatably connected with the base (1) through a rotating shaft (4), the base (1) is further connected with the fixed chassis device (5) in a pushing manner through a first oil cylinder (3), a first locking mechanism (7) fixedly connected with the fixed chassis device (5) is arranged on the fixed chassis device (5), a lifting pressing device (9) fixedly connected with one side of the top end of the base (1) is arranged on one side of the top end of the base (1), a second locking mechanism (8) is arranged on the corresponding side of the lifting pressing device (9) and the fixed chassis device (5), the second locking mechanism (8) is connected with the top end of the base (1), a transverse connecting sheet fixing device (10) and a longitudinal connecting sheet fixing device (11) are respectively arranged on two sides of the second locking mechanism (8), the fixed ends of the transverse connecting sheet fixing device (10) and the longitudinal connecting sheet fixing device (11) are respectively connected with the top end of the base (1).

2. The welding tool according to claim 1, wherein a pushing end of the first oil cylinder (3) is connected with the fixed chassis device (5) through a support (2), a fixed end of the first oil cylinder (3) is connected with the base (1) through another support (2), and the support (2) is of a T-shaped structure.

3. Welding tool according to claim 1, characterized in that the fixed chassis device (5) comprises a carrying chassis (501), two sides of the short side direction of the bearing chassis (501) are respectively provided with two groups of height adjusting cylinders (502) which are correspondingly distributed, the height adjusting cylinders (502) are connected with the bearing chassis (501) through a connecting plate, a support shaft lever (503) which is rotationally connected is arranged between the pushing ends of two groups of height adjusting cylinders (502) which are positioned on the same central line of the short side direction, a horizontal supporting cylinder (504) fixedly connected is arranged on one side of the bearing chassis (501) far away from the lifting pressing device (9), two groups of horizontal supporting cylinders (504) are arranged, the two groups of horizontal supporting cylinders (504) are centrosymmetric, the middle part of the bearing chassis (501) is provided with a pressure arm (505) which is connected in a rotating way.

4. The welding tool according to claim 1, wherein the first locking mechanisms (7) are arranged in two groups, the first locking mechanisms (7) are respectively distributed on two sides of the short side direction of the fixed chassis device (5) in two groups, the first locking mechanisms (7) are centrosymmetric, each first locking mechanism (7) comprises a fixed plate (701), the top end of the fixed plate (701) is provided with an adjacent corner pressing oil cylinder (702) and a positioning air cylinder (704), the fixed ends of the corner pressing oil cylinder (702) and the positioning air cylinder (704) are respectively connected with the top surface of the fixed plate (701), the telescopic rotating end of the corner pressing oil cylinder (702) is provided with a transverse pressing rod (703) which is fixedly connected, and the pushing end of the positioning air cylinder (704) corresponds to the placement area of the fixed chassis device (5).

5. The welding tool according to claim 1, characterized in that the second locking mechanism (8) comprises a transverse plate supporting frame (801), the transverse plate supporting frame (801) is connected with the base (1) through a connecting plate, a first driving fastener (802) is arranged at the top end of the transverse plate supporting frame (801), the first driving fastener (802) is connected with the base (1) through a second oil cylinder (806), a second driving fastener (803) and a driving air cylinder (805) are respectively arranged on two sides of the first driving fastener (802), the driving air cylinder (805) located on the same side is in transmission connection with the second driving fastener (803) through a driving rotating shaft (804), a rotating shaft supporting frame (807) is arranged at the buckling end of the second driving fastener (803), and the rotating shaft supporting frame (807) is connected with the base (1) through a connecting plate.

6. The welding tool according to claim 1, wherein the lifting pressing device (9) comprises two groups of supporting frames (91), a lifting mechanism (92), a connecting template (93) and a pressing mechanism (94), the two groups of supporting frames (91) are arranged in a central symmetry mode, one ends of the two groups of supporting frames (91) are respectively connected with the top end of the base (1), the lifting mechanism (92) is arranged between the two groups of supporting frames (91) and connected with the supporting frames (91), and the pressing mechanism (94) is arranged at a pushing end of the lifting mechanism (92) and connected with the lifting mechanism (92) through the connecting template (93).

7. The welding tool of claim 6, wherein the lifting mechanism (92) comprises a fixing block (921), the fixing block (921) is arranged between the two groups of supporting frames (91) and is fixedly connected with the supporting frames (91), a lifting block (923) is arranged at the bottom end of the fixing block (921), a third oil cylinder (922) is arranged between the fixing block (921) and the lifting block (923), the pushing end of the third oil cylinder (922) is connected with the bottom surface of the fixing block (921), the fixed end of the third oil cylinder (922) is connected with the top surface of the lifting block (923), a guide sleeve (925) fixedly connected with the corner at the bottom end of the fixing block (921), the corner at the top end of the lifting block (923) is provided with a guide post (924) which is fixedly connected, the guide post (924) corresponds to the guide sleeve (925), and one end of the guide post (924) penetrates through the guide sleeve (925) and the fixing block (921) to be fixedly connected with the bottom surface of the connecting template (93).

8. The welding tool according to claim 6, characterized in that the pressing mechanism (94) comprises a clamping rod (9411) which is arranged symmetrically at the left center and can rotate, and a ratchet (942) which can drive the clamping rod (9411) to rotate, the clamping rod (9411) is connected with the ratchet (942) through a connecting rod (945), one end of the ratchet (942) far away from the connecting rod (945) is provided with a fixedly connected handle (941), the ratchet (942) is provided with a fixedly connected rotation stopping part (943), the connecting rod (945) is connected with the ratchet (942) through a first coupling (944), the clamping rod (9411) is connected with the connecting rod (945) through a second coupling (946), the clamping rod (9411) is connected with the connecting template (93) through a third coupling (9412), when the pressing mechanism (94) is in a locking state, the horizontal central axes of the first coupling (944) and the second coupling (946) and the rotation center of the ratchet (942) are on the same central axis, when pressing means (94) is in the on-state distance between the center of first shaft coupling (944) and the center of ratchet (942) is the biggest, two sets of be provided with revolving cylinder (947) between clamp pole (9411), the stiff end and the connection template (93) of revolving cylinder (947) are connected, the rotatory end of pressing of revolving cylinder (947) is equipped with the pressure piece (948) of rigid coupling, and is two sets of still be provided with support piece (949) between clamp pole (9411), support piece (949) and connection template (93) are connected, be provided with setting element (9410) between support piece (949) and revolving cylinder (947), setting element (9410) and connection template (93) are connected.

9. The welding tooling as claimed in claim 1, wherein the transverse connecting piece fixing device (10) comprises a transverse pushing cylinder (1001), a transverse positioning block (1002) fixedly connected to a pushing end of the transverse pushing cylinder (1001) is arranged, and the transverse positioning block (1002) corresponds to a placement area of the fixed chassis device (5).

10. The welding tooling as recited in claim 1, wherein the longitudinal connecting piece fixing device (11) comprises a longitudinal pushing cylinder (1101), a pushing end of the longitudinal pushing cylinder (1101) is provided with a fixedly connected longitudinal positioning block (1102), the longitudinal positioning block (1102) corresponds to a placement area of the fixed chassis device (5), and the longitudinal positioning block (1102) is of an inverted L-shaped structure.

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