CN117680907B - Front bracket assembly welding system for air suspension - Google Patents

Front bracket assembly welding system for air suspension Download PDF

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Publication number
CN117680907B
CN117680907B CN202410138056.7A CN202410138056A CN117680907B CN 117680907 B CN117680907 B CN 117680907B CN 202410138056 A CN202410138056 A CN 202410138056A CN 117680907 B CN117680907 B CN 117680907B
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China
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block
shaft sleeve
plate
supporting
lifting
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CN117680907A (en
Inventor
郄少峰
郭敬强
许会朋
董永良
葛建霞
张士福
杜宁
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Shijiazhuang Aotong Machinery Manufacturing Co ltd
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Shijiazhuang Aotong Machinery Manufacturing Co ltd
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Publication of CN117680907A publication Critical patent/CN117680907A/en
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Abstract

The invention relates to a front bracket assembly welding system for air suspension, which comprises a welding positioner and a plurality of clamp mechanisms arranged on a workbench of the welding positioner, wherein the clamp mechanisms are used for clamping and fixing a front bracket, and the clamp mechanisms comprise: the device comprises a bottom support assembly, a sliding plate mechanism, a pressing mechanism, a shaft sleeve supporting mechanism, two groups of shaft sleeve fixing mechanisms, two groups of shaft tube fixing mechanisms and a reinforcing plate positioning device, wherein the reinforcing plate positioning device is used for fixing a reinforcing plate of the front bracket at a preset position; and the supporting plate lifting device is used for fixing the supporting plate of the front bracket to a preset position. In conclusion, the fixture mechanism is matched with an automatic double-station welding positioner to form a welding system so as to realize an automatic welding process after the front support and the weldment are fixed and improve the welding efficiency and accuracy.

Description

Front bracket assembly welding system for air suspension
Technical Field
The invention relates to the technical field of assembly welding, in particular to a front bracket assembly welding system for air suspension.
Background
The air suspension is a suspension system which replaces the traditional leaf spring by using an air spring, and is widely used on a trailer with the advantages of light weight, good smoothness and high stability. The air suspension mechanism comprises a front bracket mechanism and an air bag which are fixed on the frame, and the axle is connected with the bolts and the air bag in the front bracket mechanism to realize air suspension installation.
An existing front bracket structure can be seen in fig. 1 and 2, and comprises a front bracket body (including two symmetrical vertical plates and a bottom plate for connecting the two vertical plates), two groups of shaft sleeves symmetrically welded on the front bracket body, a shaft tube welded on the front bracket body, a reinforcing plate welded on the shaft tube and used for connecting the two vertical plates on the reinforced front bracket body, and a supporting plate arranged between the two vertical plates and used for supporting the shaft tube. When the front bracket of the type is assembled and welded, the process is complicated, the front bracket body is required to be moved for many times for manual welding, the position calibration and the fixing are carried out, and the efficiency is low and the welding precision is poor.
In summary, a proper fixture mechanism is required to be matched with an automatic double-station welding positioner to form a welding system so as to realize an automatic welding process after a front bracket and a weldment are fixed and improve the welding efficiency and accuracy.
Disclosure of Invention
The invention aims to solve the technical problem of providing a front bracket assembly welding system for air suspension.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides an air suspension is with fore-stock assembly welding system, its includes the welding positioner and sets up a plurality of fixture mechanism on the workstation of welding positioner, fixture mechanism is used for pressing from both sides tight fixed fore-stock, fixture mechanism includes:
the bottom support assembly comprises a flat support block and a U-shaped support block which are oppositely arranged, one end of a bottom plate of the front bracket is placed on the flat support block, and the other end of the bottom plate is placed between two vertical parts of the U-shaped support block and is arranged at one side protruding out of the U-shaped support block;
the sliding plate mechanism comprises a sliding plate supporting seat on one side of the flat plate supporting block and a sliding plate which can be arranged on the sliding plate supporting seat in a reciprocating manner, one end of the front support abuts against the sliding plate supporting seat, and the sliding plate slides between two vertical plates of the front support to be used for tightly pressing a bottom plate of the front support on the flat plate supporting block and centering the positions of the two front supports;
the compressing mechanism comprises a compressing block which can be arranged at one side of the U-shaped supporting block in a reciprocating manner, and the compressing block is used for limiting the front bracket and tightly propping and fixing the front bracket with the sliding plate supporting seat after the front bracket is compressed and centered;
the shaft sleeve supporting mechanism is arranged on the sliding plate and comprises two symmetrical and rotatably arranged shaft sleeve jacking blocks, and the shaft sleeve jacking blocks correspond to the shaft sleeve positions of the front bracket after rotating in place;
the two groups of shaft sleeve fixing mechanisms are symmetrically arranged on two sides of the flat plate supporting block, and the shaft sleeve fixing mechanisms are used for fixing the shaft sleeve top of the front bracket on the shaft sleeve top block in a fastening manner;
the two sets of shaft tube fixing mechanisms are symmetrically arranged on two sides of the U-shaped supporting block and are used for fixing the shaft tube of the front bracket to a preset position;
the reinforcing plate positioning device is used for fixing the reinforcing plate of the front bracket at a preset position;
and the supporting plate lifting device is used for fixing the supporting plate of the front bracket to a preset position.
As a preferred embodiment, a slide plate guide rail is arranged at the bottom of the slide plate, a slide plate sliding groove is formed in the slide plate supporting seat, the slide plate is arranged in the slide plate sliding groove in a sliding manner through the slide plate guide rail, the slide plate guide rail comprises a guide rail high section and a guide rail low section, the guide rail high section is arranged close to the flat plate supporting block, the guide rail high section is arranged at intervals with the bottom plate of the front bracket, the guide rail low section abuts against the upper end face of the bottom plate of the front bracket, and the bottom plate of the front bracket is pressed and fixed between the guide rail low section and the flat plate supporting block;
two symmetrical centering lugs are arranged on two sides of the sliding plate, the centering lugs are detachably arranged on the side edges of the sliding plate, smooth chamfer structures are arranged on two sides of the centering lugs, the middle sections of the centering lugs are propped against the inner walls of the vertical plates, and the front support can be centered through guiding of the two centering lugs when the sliding plate enters between the vertical plates.
As a preferred embodiment, the junction of the high guide rail section and the low guide rail section corresponds to the middle section of the centering lug;
the compressing block is in a strip shape and is propped against one end of the front support, and is used for limiting the movement of the front support when the sliding plate enters between the two vertical plates.
As a preferred embodiment, the shaft sleeve supporting mechanism comprises a push block driving assembly and a supporting bin which are arranged on the sliding plate;
the detachable top cover that is provided with on the support bin, the symmetry is provided with two pivot fixed bosses on the bottom plate of support bin, correspond on the top cover the pivot fixed boss has seted up the cotter hole, correspond on the axle sleeve kicking block the cotter hole has been seted up the axle sleeve kicking block through-hole, the cotter hole with screw hole on the pivot fixed boss is used for wearing to establish the pin relatively in order to with the rotatory setting of axle sleeve kicking block is in between support bin and the top cover.
As a preferable implementation mode, a push block is arranged on an output rod of the push block driving assembly, a push block passing hole is formed in one side of the support bin, which faces the push block, and the push block is inserted between the two shaft sleeve jacking blocks through the push block passing hole so as to drive the two shaft sleeve jacking blocks to rotate;
two supporting bin window parts are formed on two sides of the supporting bin corresponding to the two shaft sleeve jacking blocks, and one side of the shaft sleeve jacking block protrudes out of the supporting bin window parts to prop against the shaft sleeve of the front bracket after the shaft sleeve jacking block rotates in place;
the bottom of axle sleeve kicking block is provided with the axle sleeve dog, the axle sleeve dog with support the lower limit of window portion of storehouse window offsets and is used for restricting the rotation of axle sleeve kicking block.
As a preferred embodiment, the shaft sleeve fixing mechanism comprises a shaft sleeve compressing driving assembly, a shaft sleeve compressing guide rail, a shaft sleeve compressing sliding block arranged on the shaft sleeve compressing guide rail in a sliding manner, a shaft sleeve compressing upright post arranged on the shaft sleeve compressing sliding block and a shaft sleeve compressing boss arranged on one side of the upper end of the shaft sleeve compressing upright post, wherein one side of the shaft sleeve compressing boss facing the shaft sleeve is provided with a shaft hole limiting part;
the shape and the size of the shaft hole limiting part are matched with those of the middle hole of the shaft sleeve, the shaft sleeve is arranged on the shaft hole limiting part, and the shaft sleeve pressing driving assembly drives the shaft sleeve pressing sliding block to slide so that the shaft sleeve reaches the preset hole position of the front support and props against the shaft sleeve jacking block.
As a preferred embodiment, the reinforcing plate positioning device comprises a lower supporting boss and a reinforcing plate fixing mechanism, wherein the lower supporting boss is arranged on the shaft sleeve supporting mechanism, the lower supporting boss comprises a boss bottom plate arranged on the top cover and a boss body detachably arranged on the boss bottom plate, the boss body is in an L-shaped form, the transverse part of the boss body is connected with the boss bottom plate, and a boss clamping groove is formed in the upper end of the vertical part of the boss body and used for accommodating and clamping the lower end of the reinforcing plate;
the reinforcing plate fixing mechanism comprises a supporting column arranged on one side of the U-shaped supporting block, two rotating seats symmetrically arranged at the top end of the supporting column, a rotary driving motor arranged on one side of the rotating seats and a pressure bar assembly, wherein the pressure bar assembly comprises a key shaft rotatably arranged between the two rotating seats, a connecting rod connected with the key shaft and arranged on the free end of the connecting rod, and a pressure bar arranged on the free end of the connecting rod, the key shaft is connected with the output end of the rotary driving motor, and one end of the pressure bar is propped against the upper end of the reinforcing plate;
the middle part of reinforcing plate with the central siphon of front bracket offsets, the depression bar pushes down the upper end of reinforcing plate simultaneously the boss draw-in groove chucking the lower extreme of reinforcing plate makes the reinforcing plate fix on the front bracket and with the central siphon top of front bracket tightly.
As a preferred embodiment, the supporting plate lifting device comprises a supporting plate lifting assembly and a lifting mechanism, wherein the supporting plate lifting assembly comprises a lifting bottom plate arranged on the sliding plate, a lifting frame arranged on the lifting bottom plate, a lifting guide seat obliquely arranged on one side of the lifting frame and a lifting sliding plate slidingly arranged on the lifting guide seat, the lifting frame comprises two symmetrical frame side parts and a frame top part connected with the two frame side parts, and a jacking block channel is formed between the two frame side parts;
the lifting slide plate comprises a lifting slide plate body, a lifting part arranged at the lower end of the lifting slide plate body and two lifting slide rails symmetrically arranged on one side of the lifting slide plate body, two lifting slide rail grooves are formed in the lifting guide seat corresponding to the lifting slide rails, and the lifting slide rails are arranged in the lifting slide rail grooves in a sliding manner;
the lifting part is provided with a lifting groove, and the lower end of the supporting plate is clamped in the lifting groove.
As a preferred implementation mode, the jacking mechanism comprises a jacking block and a jacking driving assembly for driving the jacking block to reciprocate, a guide seat through groove is formed in the jacking guide seat corresponding to the jacking block channel, and the jacking block can enter the jacking block channel after passing through the guide seat through groove; the lower terminal surface of lifting portion is the inclined plane form, the kicking block corresponds the lower terminal surface of lifting portion is provided with the inclined plane structure, the inclined plane structure of kicking block with the lower terminal surface of lifting portion offsets, the kicking block is close to when the kicking block passageway removes the drive lift slide body rises so that the upper end of fagging with the central siphon of fore-stock is tight mutually, the kicking block is kept away from the time the lift slide body descends through the dead weight.
As a preferred embodiment, the axle tube fixing mechanism comprises a heightening seat, an axle tube compressing driving assembly arranged on the heightening seat, an axle tube compressing guide rail, an axle tube compressing sliding block arranged on the axle tube compressing guide rail in a sliding manner, an axle tube compressing upright post arranged on the axle tube compressing sliding block and an axle tube compressing boss arranged on one side of the upper end of the axle tube compressing upright post, wherein the axle tube compressing bosses of the two axle tube fixing mechanisms move in opposite directions to fix the axle tube at a preset position;
and a lining rod is arranged at the side end of any shaft tube pressing boss and used for pre-installing the shaft sleeve.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the clamp structure of the front support body clamp is fastened and fixed at a preset position through the sliding plate mechanism and the pressing mechanism, then the two shaft sleeves are fixed at the preset position of the front support body through the shaft sleeve supporting mechanism and the shaft sleeve fixing mechanism, then the shaft sleeves are fixed at the preset position of the front support body through the two groups of shaft sleeve fixing mechanisms, then the reinforcing plate is fixedly arranged between the two vertical plates (two sides are propped against the two vertical plates) through the reinforcing plate positioning device and is propped against the upper part of the shaft sleeve, and finally the supporting plate is propped against the lower part of the shaft sleeve and the two vertical plates through the supporting plate lifting device, so that the clamping and fixing of each welding piece of the front support on a workbench of a position changing machine is realized, a foundation is provided for automatic assembly welding of the front support, and meanwhile, the clamping assembly is convenient to detach and install, and the difficulty of later maintenance is reduced. The automatic welding process after the front support and the weldment are fixed can be realized by matching the positioner driving supporting mechanism and the welding robot, and the assembly welding efficiency and precision are improved.
Drawings
Fig. 1 is a schematic view of a conventional front bracket for air suspension.
Fig. 2 is a schematic view of the structure of each weldment in fig. 1.
Fig. 3 is a schematic structural view of an embodiment.
Fig. 4 is a schematic structural view of the front bracket of the embodiment fixed to the jig mechanism.
Fig. 5 is a schematic view of the structure of fig. 4 at another angle.
Fig. 6 is a schematic structural view of the clamp mechanism of the embodiment.
Fig. 7 is a schematic view of the structure of a part of the front bracket and the clamp mechanism of the embodiment.
Fig. 8 is a schematic view of another angle of fig. 7.
Fig. 9 is a schematic diagram of the structure at B in fig. 8.
Fig. 10 is a schematic structural view of a part of the clamp mechanism at the time of pusher block reset in the embodiment.
Fig. 11 is a schematic structural view of a boss support mechanism and a stay plate lifting and jacking device of the embodiment.
Fig. 12 is a schematic structural view of a sleeve support mechanism of an embodiment.
Fig. 13 is a schematic view of the structure of the supporting bin and the shaft sleeve top block of the embodiment.
Fig. 14 is a schematic structural view of the boss fixing mechanism and the shaft tube fixing mechanism of the embodiment.
Fig. 15 is a schematic structural view of a boss block of the embodiment.
Fig. 16 is a schematic view of the structure at a in fig. 7.
Wherein: 100. a front bracket body; 101. a shaft sleeve; 102. a shaft tube; 103. a reinforcing plate; 104. a supporting plate;
200. a work table; 300. the positioner drives the supporting mechanism; 400. a clamp mechanism;
1. a flat plate support block; type 2U support block;
3. a slide plate mechanism; 3-1 a slide plate supporting seat; 3-2 sliding plates; 3-3 a sled drive assembly; 3-4 slide plate guide rails; 3-4-1 high section of the guide rail; 3-4-2 lower guide rail sections; 3-5 centering the bump;
4. a compressing mechanism; 4-1 compressing the driving assembly; 4-2 compacting blocks; 4-3 compressing block supporting parts; 4-4 jacking the push rod supporting seat;
5. a shaft sleeve supporting mechanism; 5-1 a push block driving assembly; 5-1-1 pushing blocks;
5-2 supporting bins; 5-2-1 supporting the bin window part; 5-2-2 window lower edges; 5-2-3 rotating shaft fixing bosses; 5-2-4 top cover fixing bosses; 5-2-5 rectangular nuts;
5-3 shaft sleeve top blocks; 5-3-1 shaft sleeve top block through holes; 5-3-2 sleeve stopper;
5-4 top cover; 5-4-1 cap bumps; 5-4-2 pin holes;
5-5 lower support bosses; 5-5-1 boss bottom plate; 5-5-2 boss bodies; 5-5-3 boss clamping grooves;
6. a spreader lifting assembly; 6-1 lifting the bottom plate; 6-2 lifting the frame; 6-2-1 frame sides; a 6-2-2 frame top; 6-3 lifting the guide seat; 6-4 lifting the sliding plate; 6-4-1 lifting the skateboard body; 6-4-2 lifting grooves; 6-4-3 lifting slide rails; 6-4-4 lifting bosses;
7. a jacking mechanism; 7-1 lifting the driving assembly; 7-2 top blocks;
8. a reinforcing plate fixing mechanism; 8-1 supporting columns; 8-2 rotating seats; 8-3, rotating a driving motor; 8-4 compression bar components; 8-4-1 switching rod; 8-4-2 compression bars; 8-4-3 press bar convex parts;
9. a shaft sleeve fixing mechanism; 9-1 the shaft sleeve compresses tightly the driving assembly; 9-2, compressing the guide rail by the shaft sleeve; 9-3 the shaft sleeve compresses tightly the slide block; 9-4 shaft sleeves compress the upright posts; 9-5 shaft sleeve pressing bosses; 9-6 shaft hole limiting parts;
10. a shaft tube fixing mechanism; 10-0; 10-1 shaft tube compression drive assembly; 10-2 axle tube compacting guide rail; 10-3 shaft tube compacting slide block; 10-4 shaft tube compacting upright posts; 10-5 shaft tube compacting bosses; 10-6 lining bars.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be clearly and completely described in connection with the following specific embodiments.
The front bracket assembly welding system for air suspension shown in fig. 2 to 15 comprises a double-station welding positioner and a plurality of clamp mechanisms 400 arranged on a workbench 200 of the welding positioner, wherein the clamp mechanisms are used for clamping and fixing a front bracket, one side of the arranged workbench 200 is provided with manipulator welding equipment, a model TM-1400G3 (not shown in the drawings) is adopted, referring to fig. 1 and 2, the front bracket comprises a front bracket body 100, two shaft sleeves 101, a shaft tube 102, a reinforcing plate 103 and a supporting plate 104, and the clamp mechanisms 400 comprise:
the bottom support assembly comprises a flat support block 1 and a U-shaped support block 2 which are oppositely arranged, wherein one end of a bottom plate of the front bracket body 100 is placed on the flat support block 1, and the other end of the bottom plate is placed between two vertical parts of the U-shaped support block 2 and is arranged at one side protruding out of the U-shaped support block 2;
the sliding plate mechanism 3 comprises a sliding plate supporting seat 3-1 on one side of the flat plate supporting block 1 and a sliding plate 3-2 which is arranged on the sliding plate supporting seat 3-1 in a reciprocating manner, and referring to fig. 7, one end of the front bracket is propped against the sliding plate supporting seat 3-1, and the sliding plate 3-2 slides between two vertical plates of the front bracket body to be used for pressing a bottom plate of the front bracket body 100 on the flat plate supporting block 1 and centering the positions of the two front brackets;
the compressing mechanism 4 comprises a compressing block 4-2 which can be arranged at one side of the U-shaped supporting block 2 in a reciprocating manner, the compressing block 4-2 is driven to move through a compressing driving component 4-1 (adopting an electric push rod structure) at one side to limit the front bracket, and the compressing block is tightly propped against and fixed with the sliding plate supporting seat 3-1 after the front bracket is compressed and centered;
the shaft sleeve supporting mechanism 5 is arranged on the sliding plate 3-2 and comprises two symmetrical and rotatably arranged shaft sleeve jacking blocks 5-3, and the shaft sleeve jacking blocks 5-3 correspond to the shaft sleeve 101 of the front bracket after rotating in place;
the two groups of shaft sleeve fixing mechanisms 9 are symmetrically arranged on two sides of the flat plate supporting block 1, and the shaft sleeve fixing mechanisms 9 are used for fixing the shaft sleeve top on the shaft sleeve top block 5-3;
two sets of shaft tube fixing mechanisms 10 symmetrically arranged at two sides of the U-shaped supporting block 2 for fixing the shaft tube 102 of the front bracket to a preset position;
reinforcing plate positioning means for fixing the reinforcing plate 103 of the front bracket at a preset position;
and the supporting plate lifting device is used for fixing the supporting plate 104 of the front bracket to a preset position.
Referring to fig. 4 to 8, a slide guide rail 3-4 is disposed at the bottom of the slide plate 3-2, a slide groove is formed in the slide plate support seat 3-1, the slide plate 3-2 is slidably disposed in the slide groove through the slide guide rail 3-4, and referring to fig. 7 and 16 in detail, the slide guide rail 3-4 includes a guide rail high section 3-4-1 and a guide rail low section 3-4-2, the guide rail high section 3-4-1 is disposed close to the flat plate support block 1, the guide rail high section 3-4-1 is disposed at an interval with the bottom plate of the front bracket so that the front end of the slide plate 3-2 can conveniently enter between two vertical plates, and the guide rail low section 3-4-2 abuts against the upper end face of the bottom plate of the front bracket body 100, so that the bottom plate of the front bracket body 100 is pressed and fixed between the guide rail low section 3-4-2 and the flat plate support block 1. Two symmetrical centering lugs 3-5 are arranged on two sides of the sliding plate 3-2, the centering lugs 3-5 are detachably arranged on the side edges of the sliding plate 3-2, the centering lugs 3-5 are detachably arranged on the sliding plate 3-2 through bolt assemblies, the sliding plate can be detached and replaced after being worn, smooth chamfer structures are arranged on two sides of the centering lugs 3-5, the middle sections of the centering lugs 3-5 are propped against the inner walls of the vertical plates, and the sliding plate 3-2 can center the front support through guiding of the two centering lugs 3-5 when entering between the vertical plates. The sled mechanism 3 further includes a sled driving assembly 3-3 for driving the sled 3-2, which employs an electrical push rod configuration. Referring to fig. 7 in detail, the junction of the high guide rail section 3-4-1 and the low guide rail section 3-4-2 corresponds to the middle section of the centering protrusion 3-5, so as to compress the front bracket after centering, thereby ensuring the centering effect and avoiding abrasion and deformation occurring in the centering after compressing the front bracket. The compacting block 4-2 is rectangular and long, one side surface of the compacting block abuts against one end of the front bracket body 100, and the compacting block is only contacted but not tightly pressed before the sliding plate 3-2 slides in place, so that the purpose is to facilitate centering and reduce abrasion deformation of the front bracket. For restricting the movement of the front frame when the slide plate 3-2 enters between the two upright plates. According to the embodiment, centering and compressing fixation of the front support from the inside are achieved through the sliding plate 3-2 and the centering protruding blocks 3-5, compared with clamping fixation carried out on two sides of the front support, the space of an external fixing clamp can be saved, welding operation of a welding robot is facilitated, interference is reduced, and the welding effect is better.
The shaft sleeve supporting mechanism 5 comprises a push block driving assembly 5-1 (adopting a cylinder structure) and a supporting bin 5-2 which are arranged on the sliding plate 3-2;
referring to fig. 12, the supporting bin 5-2 is detachably provided with a top cover 5-4, in this embodiment, in order to reduce the installation error of the top cover 5-4, four corners of the lower end face of the supporting bin are provided with four groups of top cover protrusions 5-4-1, the upper end of the supporting bin 5-2 is provided with four groups of top cover fixing bosses 5-2-4, the top cover fixing bosses 5-2-4 are located between two adjacent top cover protrusions 5-4-1, and when in installation, the top cover fixing bosses 5-2-4 are clamped between the two top cover protrusions 5-4-1 to increase the installation accuracy, and after installation, the two top cover protrusions are fixedly connected through the rectangular nuts 5-2-5 and the bolt assemblies shown in fig. 12. Two rotating shaft fixing bosses 5-2-3 are symmetrically arranged on the bottom plate of the supporting bin 5-2, pin holes 5-4-2 are formed in the top cover 5-4 corresponding to the rotating shaft fixing bosses 5-2-3, shaft sleeve jacking block through holes 5-3-1 are formed in the shaft sleeve jacking block 5-3 corresponding to the pin holes 5-4-2, and the pin holes 5-4-2 and threaded holes in the rotating shaft fixing bosses 5-2-3 are oppositely used for penetrating pins so as to enable the shaft sleeve jacking block 5-3 to be rotatably arranged between the supporting bin 5-2 and the top cover 5-4.
Referring to fig. 10, a push block 5-1-1 is disposed on an output rod of the push block driving assembly 5-1, a push block passing hole is formed in a side of the support bin 5-2, which faces the push block 5-1-1, and the push block 5-1-1 is inserted between the two shaft sleeve top blocks 5-3 through the push block passing hole, so that the two shaft sleeve top blocks 5-3 are driven to rotate. Referring to fig. 12 and 13, two supporting bin window portions 5-2-1 are formed on two sides of the supporting bin 5-2 corresponding to the two shaft sleeve top blocks 5-3, and one side of the shaft sleeve top block 5-3 protrudes out of the supporting bin window portions 5-2-1 to abut against the shaft sleeve of the front bracket after rotating in place. Referring to fig. 15 in detail, a sleeve stopper 5-3-2 is disposed at the bottom of the sleeve top block 5-3, and the sleeve stopper 5-3-2 abuts against the lower edge 5-2-2 of the window portion 5-2-1 of the supporting bin to limit the rotation of the sleeve top block 5-3.
Referring to fig. 6 and 14, the shaft sleeve fixing mechanism 9 includes a shaft sleeve pressing driving assembly 9-1, a shaft sleeve pressing guide rail 9-2, a shaft sleeve pressing slide block 9-3 slidably disposed on the shaft sleeve pressing guide rail 9-2, a shaft sleeve pressing upright 9-4 disposed on the shaft sleeve pressing slide block 9-3, and a shaft sleeve pressing boss 9-5 disposed on one side of the upper end of the shaft sleeve pressing upright 9-4, wherein the shaft sleeve pressing boss 9-5 is provided with a shaft hole limiting portion 9-6 toward one side of the shaft sleeve 101. The shape and the size of the shaft hole limiting part 9-6 are matched with those of the middle hole of the shaft sleeve 101, after the shaft sleeve 101 is sleeved on the shaft hole limiting part 9-6, the shaft sleeve pressing driving assembly 9-1 drives the shaft sleeve pressing sliding block 9-3 to slide so that the shaft sleeve 101 reaches the preset hole position of the front support and is propped against the shaft sleeve jacking block 5-3.
Referring to fig. 7 to 10, the reinforcing plate positioning device includes a lower supporting boss 5-5 and a reinforcing plate fixing mechanism 8, which are disposed on the sleeve supporting mechanism 5, the lower supporting boss 5-5 includes a boss bottom plate 5-5-1 disposed on the top cover 5-4, and a boss body 5-5-2 detachably disposed on the boss bottom plate 5-5-1, referring to fig. 10, through holes are relatively formed in one side of the boss bottom plate 5-5-1 and one end of a transverse portion of the boss body 5-5-2, for penetrating through a bolt assembly to fixedly connect the boss bottom plate 5-5 with the boss bottom plate 5-1, and the boss body 5-5-2 can be detached and replaced when it is required to be replaced. The boss body 5-5-2 is L-shaped, the horizontal part of the boss body is connected with the boss bottom plate 5-5-1, the boss clamping groove 5-5-3 is formed in the upper end of the vertical part of the boss body 5-5-2 and used for accommodating and clamping the lower end of the reinforcing plate 103, the upper part of the boss clamping groove 5-3 is inclined and abuts against the upper end face of the reinforcing plate, the lower end of the reinforcing plate 103 is clamped when the pressure rod 8-4-2 presses the upper end of the reinforcing plate 103, and the lower part of the boss clamping groove 5-5-3 is horizontal and used for preventing the reinforcing plate 103 from interfering with the boss clamping groove when the sliding plate 3-2 slides away from the front support.
Referring to fig. 7, 8 and 10, the reinforcing plate fixing mechanism 8 includes a support post 8-1 disposed at one side of the U-shaped support block 2, two rotary seats 8-2 symmetrically disposed at the top end of the support post 8-1, a rotary driving motor 8-3 disposed at one side of the rotary seat 8-2, and a pressure bar assembly 8-4, the pressure bar assembly 8-4 includes a key shaft rotatably disposed between the two rotary seats 8-2, a transfer rod 8-4-1 connected to the key shaft, and a pressure bar 8-4-2 disposed at the free end of the transfer rod 8-4-1, wherein the key shaft is connected to the output end of the rotary driving motor 8-3, one end of the pressure bar 8-4-2 abuts against the upper end of the reinforcing plate 103, and one end of the pressure bar 8-4-2 abuts against the middle of the upper end of the reinforcing plate 103, i.e. the welding position on both sides of the reinforcing plate 103 is avoided, and the slot hole at the joint of the reinforcing plate 103 and the shaft tube 102 is avoided. The lower end face of the pressure lever 8-4-2, which is close to the upper end of the reinforcing plate 103, is provided with a pressure lever convex part 8-4-3, and one side of the pressure lever convex part 8-4-3 abuts against the side part of the upper end of the reinforcing plate 103 to limit the horizontal movement of the reinforcing plate 103. Stability is increased when the positioner is shifted. The middle part of the reinforcing plate 103 is propped against the shaft tube 102 of the front bracket (corresponding to a fulcrum), the pressing rod 8-4-2 presses down the upper end of the reinforcing plate 103 and the boss clamping groove 5-5-3 clamps the lower end of the reinforcing plate 103, so that the reinforcing plate 103 is fixed on the front bracket body 100 and is propped against the shaft tube 102.
Referring to fig. 9 to 11, the supporting plate lifting device comprises a supporting plate lifting assembly 6 and a lifting mechanism 7, wherein the supporting plate lifting assembly 6 comprises a lifting bottom plate 6-1 arranged on the sliding plate 3-2, a lifting frame 6-2 arranged on the lifting bottom plate 6-1, a lifting guide seat 6-3 obliquely arranged on one side of the lifting frame 6-2 and a lifting sliding plate 6-4 slidingly arranged on the lifting guide seat 6-3, the lifting frame 6-2 comprises two symmetrical frame side parts 6-2-1 and a frame top part 6-2-2 connected with the two frame side parts 6-2-1, and a jacking block channel is formed between the two frame side parts 6-2-1.
Referring to fig. 9 in detail, the lifting slide plate 6-4 includes a lifting slide plate body 6-4-1, a lifting portion 6-4-2 disposed at the lower end of the lifting slide plate body 6-4-1, and two lifting slide rails 6-4-3 symmetrically disposed on one side of the lifting slide plate body 6-4-1, two lifting slide rail grooves are formed on the lifting guide seat 6-3 corresponding to the lifting slide rails 6-4-3, and the lifting slide rails 6-4-3 are slidably disposed in the lifting slide rail grooves. The lifting part 6-4-2 is provided with a lifting groove, and the lower end of the supporting plate 104 is clamped in the lifting groove. Referring to fig. 11, the end surface of the lifting slide plate body 6-4-1 is provided with a lifting boss 6-4-4 corresponding to the shape of the supporting plate 104, which is in the shape of an isosceles trapezoid in this embodiment, and can be used for positioning when the supporting plate 104 is placed.
Referring to fig. 10, in this embodiment, since the guide rail high section 3-4-1 is disposed at an interval with the bottom plate of the front bracket, and the bottom plate of the front bracket is in a downward inclined shape (see fig. 1 and 2), after the sliding plate 3-2 enters between the two vertical plates, its front end is in a suspended state, one side of the pressing block 4-2 is required to support it to reduce the swing amplitude and increase the welding precision, in this embodiment, one end of the lifting bottom plate 6-1 is protruded from the sliding plate 3-2, the pressing block 4-2 is provided with a pressing block supporting portion 4-3 corresponding to the lifting bottom plate 6-1, and after the pressing block 4-2 is tightly pressed in place, the upper end surface of the pressing block supporting portion 4-3 abuts against the lower end surface of the lifting bottom plate 6-1 to support the front ends of the lifting bottom plate 6-1 and the sliding plate 3-2. In order to ensure the smooth connection between the compression block supporting part 4-3 and the lifting bottom plate 6-1, the front end of the compression block supporting part 4-3 is provided with an arc-shaped round corner structure in smooth transition.
The jacking mechanism 7 comprises a jacking block 7-2 and a jacking driving assembly 7-1 (a cylinder mechanism is adopted and is fixed on the compacting driving assembly 4-1 through a jacking push rod supporting seat 4-4), a guide seat through groove is formed in the jacking guide seat 6-3 corresponding to the jacking block channel, and the jacking block 7-2 can enter the jacking block channel after passing through the guide seat through groove; the lower end face of the lifting part 6-4-2 is in an inclined plane shape, the top block 7-2 is provided with an inclined plane structure corresponding to the lower end face of the lifting part 6-4-2, the inclined plane structure of the top block 7-2 is propped against the lower end face of the lifting part 6-4-2, the top block 7-2 drives the lifting slide plate body 6-4-1 to lift when moving close to the top block channel so that the upper end of the support plate 104 is propped against the shaft tube 102, the lifting slide plate body 6-4-1 descends through self weight when the top block 7-2 is far away, and a lifting groove of the lifting part 6-4-2 is far away from the lower end of the welded support plate 104 after descending, so that the slide plate 3-2 does not interfere with the lower end of the support plate 104 when resetting and keeping away.
Referring to fig. 14, the axle tube fixing mechanism 10 includes a raising seat 10-0, an axle tube compressing driving assembly 10-1 provided on the raising seat 10-0, an axle tube compressing rail 10-2, an axle tube compressing slider 10-3 slidably provided on the axle tube compressing rail 10-2, an axle tube compressing column 10-4 provided on the axle tube compressing slider 10-3, and an axle tube compressing boss 10-5 provided on one side of an upper end of the axle tube compressing column 10-4, and the axle tube compressing bosses 10-5 of the two axle tube fixing mechanisms 10 are moved toward each other to fix the axle tube 102 at a predetermined position, in this embodiment, after the brace 104 and the reinforcing plate are fixed, the axle tube 102 may be further clamped and fixed by the brace 104 and the reinforcing plate 103. A lining rod 10-6 is provided on a side end of any one of the shaft tube pressing bosses 10-5 for pre-mounting the shaft sleeve 101. In this embodiment, the structure principle of the axle tube fixing mechanism 10 is the same as that of the axle sleeve fixing mechanism 9, and the axle tube fixing mechanism 10 clamps the axle tube 102 by elevating the elevating seat 10-0 to a proper position, so that the types of parts are reduced, and the assembly and maintenance are convenient.
Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (2)

1. The utility model provides a front bracket assembly welding system for air suspension, its characterized in that includes welding positioner and sets up a plurality of fixture mechanism (400) on the workstation of welding positioner, fixture mechanism is used for pressing from both sides the tight fixed front bracket, fixture mechanism (400) include:
the bottom support assembly comprises a flat support block (1) and a U-shaped support block (2) which are oppositely arranged, one end of a bottom plate of the front bracket is placed on the flat support block (1), and the other end of the bottom plate is placed between two vertical parts of the U-shaped support block (2) and protrudes out of one side of the U-shaped support block (2);
the sliding plate mechanism (3) comprises a sliding plate supporting seat (3-1) at one side of the flat plate supporting block (1), and a sliding plate (3-2) which can be arranged on the sliding plate supporting seat (3-1) in a reciprocating manner, one end of the front support is propped against the sliding plate supporting seat (3-1), and the sliding plate (3-2) slides between two vertical plates of the front support to be used for tightly pressing a bottom plate of the front support on the flat plate supporting block (1) and centering the positions of the two front supports;
the compressing mechanism (4) comprises a compressing block (4-2) which can be arranged at one side of the U-shaped supporting block (2) in a reciprocating manner, wherein the compressing block (4-2) is used for limiting the front bracket and tightly pushing and fixing the front bracket with the sliding plate supporting seat (3-1) after compressing and centering the front bracket;
the shaft sleeve supporting mechanism (5) is arranged on the sliding plate (3-2) and comprises two symmetrical and rotatably arranged shaft sleeve jacking blocks (5-3), and the shaft sleeve jacking blocks (5-3) correspond to the shaft sleeve positions of the front bracket after rotating in place;
the two groups of shaft sleeve fixing mechanisms (9) are symmetrically arranged on two sides of the flat plate supporting block (1), and the shaft sleeve fixing mechanisms (9) are used for fixing the shaft sleeve top of the front bracket on the shaft sleeve top block (5-3);
two sets of shaft tube fixing mechanisms (10) are symmetrically arranged on two sides of the U-shaped supporting block (2) and are used for fixing the shaft tube of the front bracket to a preset position;
the reinforcing plate positioning device is used for fixing the reinforcing plate of the front bracket at a preset position;
the supporting plate lifting device is used for fixing the supporting plate of the front bracket to a preset position;
the bottom of the sliding plate (3-2) is provided with a sliding plate guide rail (3-4), the sliding plate supporting seat (3-1) is provided with a sliding plate sliding groove, the sliding plate (3-2) is slidably arranged in the sliding plate sliding groove through the sliding plate guide rail (3-4), the sliding plate guide rail (3-4) comprises a guide rail high section (3-4-1) and a guide rail low section (3-4-2), the guide rail high section (3-4-1) is arranged close to the flat plate supporting block (1), the guide rail high section (3-4-1) is arranged at intervals with the bottom plate of the front bracket, and the guide rail low section (3-4-2) abuts against the upper end face of the bottom plate of the front bracket, so that the bottom plate of the front bracket is tightly fixed between the guide rail low section (3-4-2) and the flat plate supporting block (1).
Two centering protruding blocks (3-5) are symmetrically arranged on two sides of the sliding plate (3-2), the centering protruding blocks (3-5) are detachably arranged on the side edges of the sliding plate (3-2), smooth chamfer structures are arranged on two sides of the centering protruding blocks (3-5), the middle sections of the centering protruding blocks (3-5) are propped against the inner walls of the vertical plates, and the front support can be centered through guiding of the two centering protruding blocks (3-5) when the sliding plate (3-2) enters between the two vertical plates;
the juncture of the high guide rail section (3-4-1) and the low guide rail section (3-4-2) corresponds to the middle section of the centering lug (3-5);
the compaction block (4-2) is in a strip shape and is propped against one end of the front bracket, and is used for limiting the movement of the front bracket when the sliding plate (3-2) enters between the two vertical plates; the shaft sleeve supporting mechanism (5) comprises a pushing block driving assembly (5-1) and a supporting bin (5-2), and the pushing block driving assembly is arranged on the sliding plate (3-2);
a top cover (5-4) is detachably arranged on the supporting bin (5-2), two rotating shaft fixing bosses (5-2-3) are symmetrically arranged on a bottom plate of the supporting bin (5-2), pin holes (5-4-2) are formed in the top cover (5-4) corresponding to the rotating shaft fixing bosses (5-2-3), shaft sleeve jacking block through holes (5-3-1) are formed in the shaft sleeve jacking block (5-3) corresponding to the pin holes (5-4-2), and the pin holes (5-4-2) and threaded holes in the rotating shaft fixing bosses (5-2-3) are oppositely used for penetrating pins so as to enable the shaft sleeve jacking block (5-3) to be rotatably arranged between the supporting bin (5-2) and the top cover (5-4); the output rod of the push block driving assembly (5-1) is provided with a push block (5-1-1), one side of the support bin (5-2) facing the push block (5-1-1) is provided with a push block through hole, and the push block (5-1-1) is inserted between the two shaft sleeve jacking blocks (5-3) through the push block through hole, so that the two shaft sleeve jacking blocks (5-3) are driven to rotate;
two sides of the supporting bin (5-2) are provided with two supporting bin window parts (5-2-1) corresponding to the two shaft sleeve top blocks (5-3), and one side of the shaft sleeve top block (5-3) protrudes out of the supporting bin window parts (5-2-1) to prop against the shaft sleeve of the front bracket after rotating in place;
the bottom of the shaft sleeve top block (5-3) is provided with a shaft sleeve stop block (5-3-2), and the shaft sleeve stop block (5-3-2) is propped against the lower edge (5-2-2) of the window part (5-2-1) of the supporting bin window part to limit the rotation of the shaft sleeve top block (5-3);
the shaft sleeve fixing mechanism (9) comprises a shaft sleeve compressing driving assembly (9-1), a shaft sleeve compressing guide rail (9-2), a shaft sleeve compressing sliding block (9-3) arranged on the shaft sleeve compressing guide rail (9-2) in a sliding manner, a shaft sleeve compressing upright post (9-4) arranged on the shaft sleeve compressing sliding block (9-3) and a shaft sleeve compressing boss (9-5) arranged on one side of the upper end of the shaft sleeve compressing upright post (9-4), wherein one side of the shaft sleeve compressing boss (9-5) facing the shaft sleeve is provided with a shaft hole limiting part (9-6);
the shape and the size of the shaft hole limiting part (9-6) are matched with those of the middle hole of the shaft sleeve, the shaft sleeve is arranged on the shaft hole limiting part (9-6), and the shaft sleeve pressing driving assembly (9-1) drives the shaft sleeve pressing sliding block (9-3) to slide so that the shaft sleeve reaches the preset hole position of the front bracket and props against the shaft sleeve jacking block (5-3);
the reinforcing plate positioning device comprises a lower supporting boss (5-5) and a reinforcing plate fixing mechanism (8) which are arranged on the shaft sleeve supporting mechanism (5), wherein the lower supporting boss (5-5) comprises a boss bottom plate (5-5-1) arranged on the top cover (5-4) and a boss body (5-5-2) detachably arranged on the boss bottom plate (5-5-1), the boss body (5-5-2) is L-shaped, the transverse part of the boss body is connected with the boss bottom plate (5-5-1), and a boss clamping groove (5-5-3) is formed in the upper end of the vertical part of the boss body (5-5-2) and used for accommodating and clamping the lower end of the reinforcing plate;
the reinforcing plate fixing mechanism (8) comprises a supporting column (8-1) arranged on one side of the U-shaped supporting block (2), two rotating seats (8-2) symmetrically arranged at the top ends of the supporting column (8-1), a rotary driving motor (8-3) arranged on one side of the rotating seats (8-2) and a pressure rod assembly (8-4), wherein the pressure rod assembly (8-4) comprises a key shaft rotatably arranged between the two rotating seats (8-2), an adapter rod (8-4-1) connected with the key shaft and a pressure rod (8-4-2) arranged at the free end of the adapter rod (8-4-1), the key shaft is connected with the output end of the rotary driving motor (8-3), and one end of the pressure rod (8-4-2) is propped against the upper end of the reinforcing plate;
the middle part of the reinforcing plate is propped against the shaft tube of the front bracket, the pressing rod (8-4-2) presses down the upper end of the reinforcing plate, and the boss clamping groove (5-5-3) clamps the lower end of the reinforcing plate, so that the reinforcing plate is fixed on the front bracket and is propped against the shaft tube of the front bracket;
the supporting plate lifting device comprises a supporting plate lifting assembly (6) and a lifting mechanism (7), wherein the supporting plate lifting assembly (6) comprises a lifting bottom plate (6-1) arranged on the sliding plate (3-2), a lifting frame (6-2) arranged on the lifting bottom plate (6-1), a lifting guide seat (6-3) obliquely arranged on one side of the lifting frame (6-2) and a lifting sliding plate (6-4) slidingly arranged on the lifting guide seat (6-3), the lifting frame (6-2) comprises two symmetrical frame side parts (6-2-1) and frame tops (6-2-2) connected with the two frame side parts (6-2-1), and a jacking block channel is formed between the two frame side parts (6-2-1);
the lifting slide plate (6-4) comprises a lifting slide plate body (6-4-1), a lifting part (6-4-2) arranged at the lower end of the lifting slide plate body (6-4-1) and two lifting slide rails (6-4-3) symmetrically arranged on one side of the lifting slide plate body (6-4-1), two lifting slide rail grooves are formed in the lifting guide seat (6-3) corresponding to the lifting slide rails (6-4-3), and the lifting slide rails (6-4-3) are arranged in the lifting slide rail grooves in a sliding mode;
the lifting part (6-4-2) is provided with a lifting groove, and the lower end of the supporting plate is clamped in the lifting groove;
the jacking mechanism (7) comprises a jacking block (7-2) and a jacking driving assembly (7-1) for driving the jacking block (7-2) to reciprocate, a guide seat through groove is formed in the lifting guide seat (6-3) corresponding to the jacking block channel, and the jacking block (7-2) can enter the jacking block channel after passing through the guide seat through groove; the lower end face of the lifting part (6-4-2) is in an inclined plane shape, the jacking block (7-2) is provided with an inclined plane structure corresponding to the lower end face of the lifting part (6-4-2), the inclined plane structure of the jacking block (7-2) is propped against the lower end face of the lifting part (6-4-2), the jacking block (7-2) is driven to lift the sliding plate body (6-4-1) to lift when approaching to the jacking block channel to move, so that the upper end of the supporting plate is propped against the shaft tube of the front support, and the lifting sliding plate body (6-4-1) descends through dead weight when the jacking block (7-2) is far away.
2. The front bracket assembly welding system for air suspension according to claim 1, wherein the axle tube fixing mechanism (10) comprises a heightening seat (10-0), an axle tube compression driving assembly (10-1) arranged on the heightening seat (10-0), an axle tube compression guide rail (10-2), an axle tube compression sliding block (10-3) arranged on the axle tube compression guide rail (10-2) in a sliding manner, an axle tube compression upright post (10-4) arranged on the axle tube compression sliding block (10-3) and an axle tube compression boss (10-5) arranged on one side of the upper end of the axle tube compression upright post (10-4), and the axle tube compression bosses (10-5) of the two axle tube fixing mechanisms (10) move towards each other to fix the axle tube at a preset position;
a lining rod (10-6) is arranged at the side end of any shaft tube pressing boss (10-5) for pre-installing the shaft sleeve.
CN202410138056.7A 2024-02-01 2024-02-01 Front bracket assembly welding system for air suspension Active CN117680907B (en)

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DE4224954C1 (en) * 1992-07-24 1993-06-17 Lokomotivbau-Elektrotechnische Werke Hennigsdorf Gmbh, O-1422 Hennigsdorf, De Automatic welding of large sheet sections of arcuate railway carriage roof - by locating sheets in position and welding using upper and lower movable electrodes on frame with 3=dimensional shielding system
CN104785943A (en) * 2015-04-20 2015-07-22 骏马石油装备制造有限公司 Cylinder reinforcing ring assembling-welding workstation and welding method thereof
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