CN113857760A - Welding compresses tightly frock - Google Patents

Abstract

The invention relates to the technical field of welding, in particular to a welding and compressing tool which comprises a processing table, wherein a placing plate is arranged at the central position of the upper end face of the processing table, three movable plates are annularly and equidistantly arranged on the outer side of the placing plate, three compressing mechanisms are equidistantly arranged on the inner side faces of the three movable plates, each compressing mechanism comprises a primary hinge seat, a sleeve, a spring groove, a primary spring, a movable rod, a secondary hinge seat, a supporting block, a tertiary hinge seat, a rubber pad, a clamping plate and a secondary spring, rectangular grooves are symmetrically formed in the left side and the right side of the central position of the inner side face of each movable plate, sliding blocks are respectively arranged in the rectangular grooves, the left side and the right side of the front side face of each supporting block are respectively and fixedly connected with the secondary hinge seats, and the front ends of the movable rods are respectively hinged with the secondary hinge seats. This welding compresses tightly frock utilizes compressing tightly actuating mechanism pulling hold-down mechanism to inwards shrink to compress tightly welding workpiece, avoid manually operation, practiced thrift time and manpower, improve work efficiency.

Description

Welding compresses tightly frock

Technical Field

The invention relates to the technical field of welding, in particular to a welding pressing tool.

Background

The welding tool is a set of flexible fixture for welding, fixing, compressing and positioning, and is mainly used for welding various weldable materials and welding large, medium and small materials. In the trial-manufacture welding process, a tool assembly to be welded is required to be positioned and compressed, so that welding precision deviation caused by insufficient tool pressing force due to external factors is prevented.

In the prior patent (publication number: CN207494877U), a welding fixture comprises a clamping table, the clamping table is provided with a through hole and a positioning pin, the positioning pin is arranged at one side of the through hole, the through hole is located at the middle part of the clamping table, the through hole is used for placing a part to be welded, and two sides of the through hole are respectively and oppositely provided with a fixing device for fixing a workpiece to be welded; the fixing device comprises a sliding block and a sliding rod, the sliding block moves up and down, the sliding rod is fixed on the clamping table, and the sliding block on the sliding rod is moved to enable the sliding block to tightly press and fix the workpiece to be welded.

However, the welding jig does not consider the following problems when used:

in the technical scheme, the slide block on the slide rod is used for pressing and fixing the workpiece to be welded, but in the actual use process, the lower end face of the slide block is provided with the zigzag stripes, so that the workpiece to be welded and the surface of the workpiece to be welded are easily crushed or scratched in the process of pressing and welding the workpiece, and the product is unqualified; particularly, the pressing effect on irregular welding workpieces is poor; the angle of the welding workpiece is inconvenient to adjust.

Disclosure of Invention

The invention aims to provide a welding and pressing tool to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a welding and compressing tool comprises a processing table, wherein a placing plate is arranged at the central position of the upper end surface of the processing table, three movable plates are arranged at the outer side of the placing plate at an annular equal distance, three compressing mechanisms are arranged at equal distances on the inner side surfaces of the three movable plates, each compressing mechanism comprises a first-stage hinged seat, a sleeve, a spring groove, a first-stage spring, a movable rod, a second-stage hinged seat, a supporting block, a third-stage hinged seat, a rubber pad, a clamping plate and a second-stage spring, rectangular grooves are symmetrically formed in the left side and the right side of the central position of the inner side surfaces of the movable plates, sliding blocks are respectively arranged in the rectangular grooves, the left side and the right side of the rear side of the supporting block are respectively and fixedly connected with the second-stage hinged seats, the front ends of the movable rods are respectively hinged with the second-stage hinged seats, the spring grooves are formed in the front ends of the sleeves, the rear ends of the first-stage springs are fixedly connected with the inner bottoms of the spring grooves, and the rear ends of the sleeves are hinged seats, the rear end of the movable rod is inserted into the spring groove and fixedly connected with the front end of a first-stage spring, a first-stage hinged seat at the rear end of a right sleeve on the front side of the right support block is fixedly connected with the right end of the inner side surface of the movable plate, a first-stage hinged seat at the rear end of a left sleeve is fixedly connected with the right end of the inner side surface of the right slide block, a first-stage hinged seat at the rear end of a middle sleeve on the front side of the support block is fixedly connected with the left end of the inner side surface of the right slide block, a first-stage hinged seat at the rear end of a left sleeve is fixedly connected with the right end of the inner side surface of the left slide block, the support block and the right support block are arranged in an axial symmetry manner relative to the middle support block, a third-stage hinged seat is fixedly connected with the central position of the inner side surface of the support block, the central position of the front side surface of the pressing plate is hinged with the third-stage hinged seat, the pressing plate is of a semicircular disc structure, a rubber pad is fixedly connected with the inner side surface of the pressing plate, and second-stage springs are arranged at the left and right ends between the support block and the pressing plate, and one end of the secondary spring is fixedly connected with the supporting block, the other end of the secondary spring is fixedly connected with the pressing plate, three through holes are formed in the center of the upper end face of the movable plate, supporting rods are movably connected in the through holes, screw holes are formed in the center of the front side face of the movable plate, threaded rods are screwed in the screw holes, a rotary driving mechanism is arranged on the rear side of the machining table, and a pressing driving mechanism is arranged at the center of the lower portion of the machining table.

Preferably, the processing platform up end central point puts and has seted up the circular slot, and disc structure place the board and arrange the circular slot in, the circular slot down end central point puts and has seted up the cylinder hole downwards, place board end central point put fixedly connected with driven shaft down, and the driven shaft is located the cylinder downthehole portion to the driven shaft lower extreme extends to cylinder hole bottom, the lower extreme fixedly connected with driven bevel gear of driven shaft, place four sucking discs of board up end annular equidistance fixedly connected with.

Preferably, the rotary driving mechanism comprises a motor fixing plate, a driving motor, a shaft groove, a transmission shaft, a driving bevel gear and a bearing, the shaft groove is formed in the center of the rear side of the machining table, the transmission shaft is arranged inside the shaft groove, the driving bevel gear is fixedly connected to the position close to the right end of the transmission shaft and meshed with the driven bevel gear, the bearing is movably connected to the inner end of the shaft groove of the right end of the transmission shaft and fixedly connected to the left end of the transmission shaft and the output shaft of the driving motor, and the driving motor is fixedly connected to the upper end face of the motor fixing plate fixedly connected to the lower end of the center of the rear side of the machining table.

Preferably, the outer edge of the lower end face of the circular groove is provided with a track, the outer edge of the lower end face of the placing plate is also provided with a track, and balls are arranged in the two tracks.

Preferably, it is three the spout has been seted up respectively to the processing platform up end of branch lower extreme, and equal fixedly connected with slide bar in the spout, all the cover is equipped with solid fixed ring on the slide bar, the branch lower extreme respectively with solid fixed ring up end fixed connection, the left end and the right-hand member of slide bar all overlap and are equipped with tertiary spring, and the inner of the tertiary spring of slide bar left end and the inside inner lateral wall fixed connection of spout to the outer end of the tertiary spring of slide bar right-hand member and the inside outer end lateral wall fixed connection of spout.

Preferably, it includes that hydraulic push rod, fixed block, level four articulate seat, pull rod and rod groove, and is three gu the equal fixedly connected with level four of terminal surface articulates the seat under the fixed ring, the fixed block is cylindrical structure, and the articulated seat of the three level four of the surface annular equidistance fixed connection of fixed block, the lower extreme of pull rod articulates with the articulated seat of level four respectively, and the pull rod upper end articulates with the articulated seat of level four of three solid fixed ring lower extreme respectively, and is three the rod groove of pull rod activity is all seted up to the spout below, terminal surface and hydraulic push rod's upper end fixed connection under the fixed block.

Compared with the prior art, the invention has the beneficial effects that:

1. the four suckers are fixedly connected to the upper end face of the placing plate in an annular and equidistant mode, so that displacement deviation is reduced when a welding workpiece placed on the placing plate is driven by the rotary driving mechanism to rotate to adjust the angle, meanwhile, the rotary driving mechanism is convenient for angle adjustment of the welding workpiece, and the pressing driving mechanism is used for pulling the pressing mechanism to contract inwards, so that the welding workpiece is pressed tightly, and the working efficiency is improved;

2. the inner side surface of the pressing plate is fixedly connected with the rubber pad, so that the welding workpiece can be prevented from being crushed by the pressing plate, and the pressing plate is in a semicircular disc structure and is hinged with the three-stage hinging seat, so that when the pressing plate is in contact with an irregular welding workpiece, the pressing direction can be adjusted through left and right rotation, and the welding workpiece can be better pressed;

3. by rotating the threaded rod, the movable plate is adjusted in height on the supporting rod so as to adapt to welding workpieces with different thicknesses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a hold-down mechanism of the present invention;

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

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged top view of the mounting block of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 6 is a cross-sectional view of FIG. 5 in accordance with the present invention;

FIG. 7 is an enlarged view of the invention at C of FIG. 6.

Description of reference numerals:

1. a processing table; 2. a rotation driving mechanism; 21. a motor fixing plate; 22. a drive motor; 23. a shaft groove; 24. a drive shaft; 25. a driving bevel gear; 26. a bearing; 3. placing the plate; 31. a circular groove; 32. a driven shaft; 33. a cylindrical bore; 34. a driven bevel gear; 35. a suction cup; 4. a track; 41. a ball bearing; 5. a hold-down mechanism; 51. a first-stage hinge base; 52. a sleeve; 521. a spring slot; 522. a primary spring; 53. a movable rod; 54. a second-stage hinged seat; 55. a support block; 56. a third-stage hinged seat; 57. a rubber pad; 58. pressing a plate; 59. a secondary spring; 6. a movable plate; 61. a strut; 62. a threaded rod; 63. a through hole; 64. a screw hole; 7. a pressing drive mechanism; 71. a hydraulic push rod; 72. a fixed block; 73. a four-stage hinged seat; 74. a pull rod; 75. a rod groove; 8. a rectangular groove; 81. a slider; 9. a chute; 91. a slide bar; 92. a fixing ring; 93. and a tertiary spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution:

a welding and pressing tool comprises a processing table 1, wherein a placing plate 3 is arranged at the central position of the upper end face of the processing table 1, three movable plates 6 are annularly and equidistantly arranged on the outer side of the placing plate 3, three pressing mechanisms 5 are equidistantly arranged on the inner side faces of the three movable plates 6, each pressing mechanism 5 comprises a first-stage hinged seat 51, a sleeve 52, a spring groove 521, a first-stage spring 522, a movable rod 53, a second-stage hinged seat 54, a supporting block 55, a third-stage hinged seat 56, a rubber pad 57, a pressing plate 58 and a second-stage spring 59, rectangular grooves 8 are symmetrically formed in the left side and the right side of the central position of the inner side face of each movable plate 6, sliding blocks 81 are respectively arranged in the rectangular grooves 8, the left side and the right side of the rear side face of each supporting block 55 are respectively and fixedly connected with the second-stage hinged seats 54, the front ends of the movable rods 53 are respectively hinged with the second-stage hinged seats 54, the spring grooves 521 are formed in the front ends of the sleeves 52, the rear end of the first-stage spring 522 is fixedly connected with the inner bottom of the spring groove 521, the rear end of the sleeve 52 is hinged with the first-stage hinge seat 51, the rear end of the movable rod 53 is inserted into the spring groove 521 and fixedly connected with the front end of the first-stage spring 522, the first-stage hinge seat 51 at the rear end of the right-side sleeve 52 at the front side of the right-side supporting block 55 is fixedly connected with the right end of the inner side surface of the movable plate 6, the first-stage hinge seat 51 at the rear end of the left-side sleeve 52 is fixedly connected with the right end of the inner side surface of the right-side sliding block 81, the first-stage hinge seat 51 at the rear end of the right-side sleeve 52 at the front side of the middle supporting block 55 is fixedly connected with the left end of the inner side surface of the right-side sliding block 81, the left-side supporting block 55 and the right-side supporting block 55 are arranged in an axisymmetrical manner, and the third-stage hinge seat 56 is fixedly connected with the center position of the inner side surface of the supporting block 55, the center of the front side of the pressing plate 58 is hinged to the third-stage hinge seat 56, the pressing plate 58 is of a semicircular disc structure, the inner side of the pressing plate 58 is fixedly connected with a rubber pad 57, two second-stage springs 59 are arranged at the left end and the right end between the supporting block 55 and the pressing plate 58, one end of each second-stage spring 59 is fixedly connected with the supporting block 55, the other end of each second-stage spring 59 is fixedly connected with the pressing plate 58, the center of the upper end face of the movable plate 6 is provided with a through hole 63, a supporting rod 61 is movably connected in each through hole 63, the center of the front side of the movable plate 6 is provided with a screw hole 64, a threaded rod 62 is screwed in each screw hole 64, the rear side of the machining table 1 is provided with the rotary driving mechanism 2, and the center of the lower portion of the machining table 1 is provided with the pressing driving mechanism 7.

When the device works, the threaded rod 62 is unscrewed, then the movable plates 6 move up and down along the supporting rod 61 for height adjustment, so that the device is suitable for welding workpieces with different thicknesses, the threaded rod 62 is screwed after the position is adjusted, so that the movable plates 6 are fixed, the movable plates 6 are prevented from offsetting, the three movable plates 6 move inwards simultaneously under the driving of the pressing driving mechanism 7, so that the pressing mechanism 5 is driven to move inwards to press the welding workpiece at the central position of the upper end face of the processing table 1, when the pressing plate 58 of the pressing mechanism 5 contacts an irregular welding workpiece, because the pressing plate 58 is hinged with the third-stage hinging seat 56 at the central position of the inner side face of the supporting block 55, and the left end and the right end between the supporting block 55 and the pressing plate 58 are provided with the secondary springs 59, the pressing plate 58 can rotate left and right to adjust the extruded direction, and the secondary springs 59 limit the rotating amplitude of the pressing plate 58, the pressing plate 58 is prevented from being damaged due to collision with the supporting block 55, the first-stage hinged seat 51 at the rear end of the right sleeve 52 on the front side of the right supporting block 55 is fixedly connected to the right end of the inner side of the movable plate 6, the first-stage hinged seat 51 at the rear end of the left sleeve 52 is fixedly connected to the right end of the inner side of the right slider 81, the first-stage hinged seat 51 at the rear end of the middle supporting block 55 on the front side of the right sleeve 52 is fixedly connected to the left end of the inner side of the right slider 81, the first-stage hinged seat 51 at the rear end of the left sleeve 52 is fixedly connected to the right end of the inner side of the left slider 81, the left supporting block 55 and the right supporting block 55 are arranged in axial symmetry with respect to the middle supporting block 55, so that the pressing plate 58 can be compressed backwards when the irregular welding workpiece is extruded, and the slider 81 can slide leftwards and rightwards in the rectangular groove 8, thereby enabling the three pressing mechanisms 5 on each movable plate 6 to be better adapted to the irregular welding workpiece, and further compressing the irregular workpiece.

As an embodiment of the present invention, as shown in fig. 2 and 3, a circular groove 31 is formed in a central position of an upper end surface of the processing table 1, the placing plate 3 having a circular disc structure is placed in the circular groove 31, a cylindrical hole 33 is formed downward in a central position of a lower end surface of the circular groove 31, a driven shaft 32 is fixedly connected to a central position of a lower end surface of the placing plate 3, the driven shaft 32 is located inside the cylindrical hole 33, a lower end of the driven shaft 32 extends to a bottom of the cylindrical hole 33, a driven bevel gear 34 is fixedly connected to a lower end of the driven shaft 32, and four suction cups 35 are fixedly connected to an upper end surface of the placing plate 3 at equal intervals in a circular shape.

During operation, place the bottom surface level and smooth, the anomalous welding workpiece in surface on placing the sucking disc 35 on board 3 up end, place board 3 and carry out the rotation angle regulation under the drive of rotary driving mechanism 2, sucking disc 35 adsorbs the lower terminal surface of welding workpiece, thereby avoid welding workpiece to produce centrifugal force and skew at the rotation in-process, and when needing in follow-up work piece course of working to the adjustment of work piece welding angle, still can place board 3 through the drive of rotary driving mechanism 2 drive, and then utilize sucking disc 35 to adsorb fixed work piece, realize the adjustment of work piece welding angle.

As an embodiment of the present invention, as shown in fig. 3, the rotary driving mechanism 2 includes a motor fixing plate 21, a driving motor 22, a shaft groove 23, a transmission shaft 24, a driving bevel gear 25 and a bearing 26, the shaft groove 23 is opened at a rear central position inside the processing table 1, the transmission shaft 24 is arranged inside the shaft groove 23, the driving bevel gear 25 is fixedly connected to a position near a right end of the transmission shaft 24, the driving bevel gear 25 is engaged with a driven bevel gear 34, the bearing 26 fixedly connected to an inner end of the shaft groove 23 at the right end of the transmission shaft 24 is movably connected to an output shaft of the driving motor 22, and the driving motor 22 is fixedly connected to an upper end surface of the motor fixing plate 21 fixedly connected to a lower end of the rear central position of the processing table 1.

During operation, based on the above-mentioned embodiment, thereby driving motor 22 drives transmission shaft 24 and rotates and drive initiative conical gear 25 and rotate, thereby initiative conical gear 25 drives driven conical gear 34 and rotates and take driven shaft 32 to rotate, thereby driven shaft 32 drives and places board 3 and rotate and drive the welding workpiece rotation and carry out angle modulation, has made things convenient for welding workpiece's angle modulation.

As an embodiment of the present invention, as shown in fig. 3, the outer edge of the lower end surface of the circular groove 31 is provided with a rail 4, the outer edge of the lower end surface of the placing plate 3 is also provided with a rail 4, and the balls 41 are disposed in the two rails 4.

During operation, based on above-mentioned embodiment, ball 41 can reduce the frictional resistance of placing between board 3 and the circular slot 31, reduces energy loss, shares the gravity of placing board 3 and bearing the work piece simultaneously, guarantees that gravity evenly shares to guarantee follow-up rotary driving mechanism 2 and place board 3 through driving motor 22 drive and rotate inside the circular slot 31 and then carry the balanced stability of work piece to welding angle accommodation process, reduce the welding accuracy error.

As an embodiment of the present invention, as shown in fig. 3, sliding grooves 9 are respectively formed in upper end surfaces of processing tables 1 at lower ends of three supporting rods 61, sliding rods 91 are fixedly connected in the sliding grooves 9, fixing rings 92 are respectively sleeved on the sliding rods 91, lower ends of the supporting rods 61 are respectively fixedly connected to upper end surfaces of the fixing rings 92, three-stage springs 93 are respectively sleeved at left ends and right ends of the sliding rods 91, inner ends of the three-stage springs 93 at left ends of the sliding rods 91 are fixedly connected to inner end side walls inside the sliding grooves 9, and outer ends of the three-stage springs 93 at right ends of the sliding rods 91 are fixedly connected to outer end side walls inside the sliding grooves 9.

In operation, branch 61 is the inward movement under the drive that compresses tightly actuating mechanism 7, gu fixed ring 92 and slide bar 91 sliding connection, and gu fixed ring 92 inboard fixed connection round ceramic pad, thereby avoid solid fixed ring 92 to produce great friction when sliding on slide bar 91, when gu fixed ring 92 slides slide bar 91 the inner, gu fixed ring 92 can contact the inner tertiary spring 93 of slide bar 91, tertiary spring 93 cushions gu fixed ring 92, thereby avoid hold-down mechanism 5 on the branch 61 to produce great pressure and weigh the welding work piece when contacting the welding work piece, when branch 61 outwards slides, the tertiary spring 93 of slide bar 91 outer end cushions gu fixed ring 92, avoid solid fixed ring 92 and the outer end inside wall of spout 9 to produce the collision.

As an embodiment of the present invention, as shown in fig. 3 and 4, the pressing driving mechanism 7 includes a hydraulic push rod 71, a fixed block 72, four-stage hinge seats 73, a pull rod 74 and rod grooves 75, the four-stage hinge seats 73 are fixedly connected to lower end surfaces of the three fixed rings 92, the fixed block 72 is in a cylindrical structure, the three four-stage hinge seats 73 are fixedly connected to an outer surface of the fixed block 72 at equal intervals in a ring shape, lower ends of the pull rods 74 are respectively hinged to the four-stage hinge seats 73, upper ends of the pull rods 74 are respectively hinged to the four-stage hinge seats 73 at lower ends of the three fixed rings 92, rod grooves 75 in which the pull rods 74 are movable are disposed below the three sliding grooves 9, and a lower end surface of the fixed block 72 is fixedly connected to an upper end of the hydraulic push rod 71.

During operation, based on the above embodiment, the hydraulic push rod 71 pulls the fixing block 72 to move downward so as to drive the three pull rods 74 to move downward simultaneously, the pull rods 74 drive the fixing rings 92 to slide inward at the slide bars 91 so as to drive the supporting rods 61 to move inward, the supporting rods 61 slowly move inward under the buffer action of the tertiary springs 93 at the inner ends of the slide bars 91 so as to drive the pressing mechanisms 5 at the inner sides of the movable plates 6 to move inward to press the welding workpieces on the placing plates 3, and the pressing mechanisms 5 are prevented from generating large pressure on the welding workpieces to crush the welding workpieces, so that manual adjustment is avoided in the process, manpower and time are saved, and the working efficiency is improved.

The working principle is as follows: the bottom surface is smooth, the irregular welding workpiece of surface is placed on four sucking discs 35 of placing board 3 up end annular equidistance and distributing, adsorb the welding workpiece through sucking disc 35, start driving motor 22 and drive transmission shaft 24 and rotate thereby drive initiative conical gear 25 and rotate, initiative conical gear 25 drives driven conical gear 34 and rotates thereby take driven shaft 32 to rotate, driven shaft 32 drives and places board 3 and rotate thereby drive welding workpiece rotatory and carry out angle modulation, track 4 has been seted up along the outer edge of the lower extreme of circular slot 31, place board 3 down end face outer edge and also seted up track 4, and be provided with ball 41 in two track 4, ball 41 can reduce the frictional resistance of placing between board 3 and circular slot 31, reduce energy loss, share the gravity of placing board 3 and bearing the work piece simultaneously, guarantee that gravity is even, thereby ensure that follow-up rotary driving mechanism 2 is placing board 3 through driving motor 22 drive and is rotated in circular slot 31 inside and is carried the work piece and is carried the welding workpiece to the butt joint through carrying The balance in the angle adjusting process is stable, welding precision errors are reduced, after the angle is adjusted, the threaded rod 62 is loosened, the movable plate 6 moves up and down along the support rod 61 to adjust the height, so that welding workpieces with different thicknesses are adapted, the threaded rod 62 is screwed after the position is adjusted to fix the movable plate 6, the movable plate 6 is prevented from being deviated, the hydraulic push rod 71 is started to drive the fixed block 72 to move downwards so as to drive the three pull rods 74 to move downwards simultaneously, the pull rods 74 drive the fixed ring 92 to slide inwards on the slide rod 91 so as to drive the support rod 61 to move inwards, the fixed ring 92 is connected with the slide rod 91 in a sliding manner, a circle of ceramic gaskets are fixedly connected to the inner side of the fixed ring 92, so that large friction is avoided when the fixed ring 92 slides on the slide rod 91, when the fixed ring 92 slides to the left end of the slide rod 91, the fixed ring 92 can contact the three-stage spring 93 at the left end of the slide rod 91, the three-level spring 93 buffers the fixed ring 92, so that the pressing mechanism 5 on the supporting rod 61 is prevented from generating larger pressure to crush the welding workpiece when contacting the welding workpiece, when the supporting rod 61 slides outwards, the three-level spring 93 at the outer end of the sliding rod 91 buffers the fixed ring 92, the collision between the fixed ring 92 and the inner side wall of the outer end of the sliding groove 9 is avoided, the three movable plates 6 move inwards simultaneously under the driving of the pressing driving mechanism 7, so that the pressing mechanism 5 is driven to move inwards to press the welding workpiece at the central position of the upper end face of the processing table 1, when the pressing plate 58 of the pressing mechanism 5 contacts an irregular welding workpiece, the pressing plate 58 is hinged with the three-level hinged seat 56 at the central position of the inner side face of the supporting block 55, and the secondary springs 59 are arranged at the left end and the right end between the supporting block 55 and the pressing plate 58, so that the pressing plate 58 can rotate left and right to adjust the extruding direction, the second-stage spring 59 limits the rotation range of the pressing plate 58 to prevent the pressing plate 58 from colliding with the supporting block 55 and being damaged, the first-stage hinge seat 51 at the rear end of the right sleeve 52 on the front side of the right supporting block 55 is fixedly connected to the right end of the inner side of the movable plate 6, the first-stage hinge seat 51 at the rear end of the left sleeve 52 is fixedly connected to the right end of the inner side of the right slider 81, the first-stage hinge seat 51 at the rear end of the right sleeve 52 on the front side of the middle supporting block 55 is fixedly connected to the left end of the inner side of the right slider 81, the first-stage hinge seat 51 at the rear end of the left sleeve 52 is fixedly connected to the right end of the inner side of the left slider 81, the left supporting block 55 and the right supporting block 55 are arranged in axial symmetry with respect to the middle supporting block 55, so that the supporting block 55 can be compressed backwards when the pressing plate 58 presses the irregular welding workpiece, and the slider 81 can slide left and right in the rectangular groove 8, thereby enabling the three pressing mechanisms 5 on each movable plate 6 to be better adapted to the irregular welding workpiece, and further compressing the irregular workpiece.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a welding compresses tightly frock, includes processing platform (1), its characterized in that: the processing table is characterized in that a placing plate (3) is arranged at the center of the upper end face of the processing table (1), three movable plates (6) are arranged on the outer side of the placing plate (3) at equal intervals in a ring shape, three pressing mechanisms (5) are arranged on the inner side faces of the three movable plates (6) at equal intervals, each pressing mechanism (5) comprises a first-stage hinged seat (51), a sleeve (52), a spring groove (521), a first-stage spring (522), a movable rod (53), a second-stage hinged seat (54), a supporting block (55), a third-stage hinged seat (56), a rubber pad (57), a pressing plate (58) and a second-stage spring (59), rectangular grooves (8) are symmetrically formed in the left side and the right side of the center of the inner side faces of the movable plates (6), slide blocks (81) are respectively arranged in the rectangular grooves (8), the left side and the right side of the rear side of the supporting block (55) are respectively and fixedly connected with the second-stage hinged seats (54), and the front ends of the movable rods (53) are respectively hinged with the second-stage hinged seats (54), a spring groove (521) is formed in the front end of the sleeve (52), the rear end of a primary spring (522) is fixedly connected with the inner bottom of the spring groove (521), the rear end of the sleeve (52) is hinged to a primary hinged seat (51), the rear end of a movable rod (53) is inserted into the spring groove (521) and fixedly connected with the front end of the primary spring (522), a primary hinged seat (51) at the rear end of a right sleeve (52) on the front side of the supporting block (55) on the right side is fixedly connected to the right end of the inner side surface of the movable plate (6), a primary hinged seat (51) at the rear end of a left sleeve (52) is fixedly connected to the right end of the inner side surface of the right sliding block (81), the middle of the primary hinged seat (51) at the rear end of the right sleeve (52) on the front side of the supporting block (55) is fixedly connected to the left end of the inner side surface of the right sliding block (81), and a primary seat (51) at the rear end of the left sleeve (52) on the left side is fixedly connected to the right end of the inner side of the left sliding block (81), the left supporting block (55) and the right supporting block (55) are arranged in an axial symmetry mode relative to the middle supporting block (55), the third-stage hinged seat (56) is fixedly connected to the central position of the inner side face of the supporting block (55), the central position of the front side face of the pressing plate (58) is hinged to the third-stage hinged seat (56), the pressing plate (58) is of a semicircular disc structure, the inner side face of the pressing plate (58) is fixedly connected with a rubber pad (57), two-stage springs (59) are arranged at the left end and the right end between the supporting block (55) and the pressing plate (58), one end of each second-stage spring (59) is fixedly connected with the supporting block (55), the other end of each second-stage spring (59) is fixedly connected with the pressing plate (58), through holes (63) are formed in the central positions of the upper end faces of the three movable plates (6), supporting rods (61) are movably connected in the through holes (63), and screw holes (64) are formed in the central positions of the front side faces of the movable plates (6), and a threaded rod (62) is threaded in the screw hole (64), a rotary driving mechanism (2) is arranged at the rear side of the processing table (1), and a pressing driving mechanism (7) is arranged at the center position below the processing table (1).

2. The welding pressing tool according to claim 1, characterized in that: processing platform (1) up end central point puts and has seted up circular slot (31), and disc structure place board (3) and arrange circular slot (31) in, circular slot (31) lower extreme central point puts and has seted up cylinder hole (33) downwards, place board (3) lower extreme central point and put fixedly connected with driven shaft (32), and driven shaft (32) are located inside cylinder hole (33) to driven shaft (32) lower extreme extends to cylinder hole (33) bottom, driven bevel gear (34) of lower extreme fixedly connected with of driven shaft (32), place board (3) up end annular equidistance fixedly connected with four sucking discs (35).

3. The welding pressing tool according to claim 2, characterized in that: the rotary driving mechanism (2) comprises a motor fixing plate (21), a driving motor (22), a shaft groove (23), a transmission shaft (24), a driving bevel gear (25) and a bearing (26), the shaft groove (23) is arranged at the central position of the rear side in the processing table (1), a transmission shaft (24) is arranged in the shaft groove (23), and a driving bevel gear (25) is fixedly connected at the position close to the right end of the transmission shaft (24), the driving bevel gear (25) is meshed with the driven bevel gear (34), the inner end of the right end shaft groove (23) of the transmission shaft (24) is movably connected with a bearing (26) which is fixedly connected with the inner end, and the left end of the transmission shaft (24) is fixedly connected with the output shaft of the driving motor (22), and the driving motor (22) is fixedly connected with the upper end surface of the motor fixing plate (21) fixedly connected with the lower end of the central position of the rear side surface of the processing table (1).

4. The welding pressing tool according to claim 2, characterized in that: the track (4) has been seted up to the lower terminal surface outward edge of circular slot (31), and places board (3) lower extreme surface outward edge and also seted up track (4) to be provided with ball (41) in two tracks (4).

5. The welding pressing tool according to claim 4, wherein: three processing platform (1) up end of branch (61) lower extreme has seted up spout (9) respectively, and equal fixedly connected with slide bar (91) in spout (9), all overlap on slide bar (91) and be equipped with solid fixed ring (92), branch (61) lower extreme respectively with solid fixed ring (92) up end fixed connection, the left end and the right-hand member of slide bar (91) all overlap and are equipped with tertiary spring (93), and the inner of slide bar (91) left end tertiary spring (93) and the inside inner lateral wall fixed connection of spout (9) to the outer end of slide bar (91) right-hand member tertiary spring (93) and the inside outer end lateral wall fixed connection of spout (9).

6. The welding pressing tool according to claim 5, wherein: compress tightly actuating mechanism (7) and include that hydraulic push rod (71), fixed block (72), four levels articulate seat (73), pull rod (74) and rod groove (75), it is three gu the equal fixedly connected with four levels of terminal surface articulate seat (73) under fixed ring (92), fixed block (72) are cylindrical structure, and the articulated seat of the three four levels of surface annular equidistance fixed connection (73) of fixed block (72), the lower extreme of pull rod (74) is articulated with four levels articulate seat (73) respectively, and pull rod (74) upper end is articulated with the articulated seat of four levels (73) of three fixed ring (92) lower extreme respectively, and is three rod groove (75) of pull rod (74) activity are all seted up to spout (9) below, the upper end fixed connection of terminal surface and hydraulic push rod (71) under fixed block (72).

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