CN115302184A

CN115302184A - Welding fixture for annular part and columnar part

Info

Publication number: CN115302184A
Application number: CN202210903902.0A
Authority: CN
Inventors: 李衍松; 刘赛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-08

Abstract

The invention relates to the technical field of welding fixtures, in particular to a welding fixture for an annular part and a columnar part, which comprises a bottom plate, wherein primary sliding tables are symmetrically arranged on the left side and the right side of the central position of the upper end surface of the bottom plate, secondary sliding tables are symmetrically arranged on the left side and the right side of the upper end surface of the bottom plate, and the front side and the rear side between the adjacent primary sliding tables and the adjacent secondary sliding tables are fixedly connected through connecting plates; the upper end face of the primary sliding table is provided with a clamping mechanism, and the upper end face of the secondary sliding table is provided with a rotating mechanism; the clamping mechanism clamps the annular part and the columnar part, and the rotating mechanism overturns the welding surface of the columnar part. The welding fixture for the annular piece and the columnar piece can clamp the columnar pieces with different diameters through the clamping mechanism, and can also clamp the annular piece, so that the application range of the fixture is widened; carry out autogiration to the column through rotary mechanism to rotatory to the face of weld is rotatory to the welding position, avoids artifical manual upset column, improves work efficiency when practicing thrift the labour.

Description

Welding fixture for annular part and columnar part

Technical Field

The invention relates to the technical field of welding fixtures, in particular to a welding fixture for an annular part and a columnar part.

Background

Welding, also known as fusion or melt bonding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by heat, heat or pressure, and is currently a well established process. In the welding process, the clamp is required to clamp and fix the welding part so as to ensure the stable welding.

Among the prior art, when manually welding the spare part of solid of revolution class such as pipes, axle class (hereinafter referred to as column), the welding seam generally is confined circle (circumferential weld), in workshop column welding work, traditionally be exactly to violently lie the column on welding platform, weld after fixing the column through anchor clamps, and anchor clamps are mostly fixed knot structure and can only carry out the centre gripping to the part of a shape, when the column is overturned to needs, then need open anchor clamps once more, artifical manual upset column, to some large-scale pipes and axle class parts, then the upset is inconvenient, reduce production efficiency when consuming labour.

In view of this, the present invention provides a welding fixture for an annular member and a cylindrical member, which solves the above technical problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a welding clamp for an annular part and a columnar part, which solves the problems that: among the prior art in workshop column welding work, the tradition is exactly that the column is violently lain on welding platform, weld after fixing the column through anchor clamps, and anchor clamps are mostly fixed knot structure and can only carry out the centre gripping to the part of a shape, when the column is overturned to needs, then need open anchor clamps once more, artifical manual upset column, to some large-scale pipes and axle type parts, then the upset is inconvenient, reduce production efficiency's when consumeing labour technical problem.

In order to realize the purpose, the invention is realized by the following technical scheme:

a welding fixture for an annular part and a columnar part comprises a bottom plate, wherein first-stage sliding tables are symmetrically arranged on the left side and the right side of the center of the upper end surface of the bottom plate, second-stage sliding tables are symmetrically arranged on the left side and the right side of the upper end surface of the bottom plate, and the front side and the rear side between each two adjacent first-stage sliding tables and each second-stage sliding table are fixedly connected through a connecting plate;

the upper end surface of the first-stage sliding table is provided with a clamping mechanism, and the upper end surface of the second-stage sliding table is provided with a rotating mechanism;

the clamping mechanism clamps the annular part and the columnar part, and the rotating mechanism overturns the welding surface of the columnar part.

Preferably, the front and back symmetrical sliding plates are fixedly connected to the lower end faces of the first-stage sliding table and the second-stage sliding table, and the upper end face of the bottom plate is correspondingly provided with a sliding rail.

Preferably, the left end and the right end of the upper end surface of the bottom plate are both fixedly connected with a support plate, and the center position of the lower end of the left side surface of the left support plate is fixedly connected with a primary motor;

an output shaft of the primary motor penetrates through the support plate and is fixedly connected with a screw rod, one side of the screw rod penetrates through the secondary sliding table and the primary sliding table and is rotatably connected with the central position of the lower end of the left side surface of the right support plate through a bearing, the screw rod is respectively in spiral transmission connection with the secondary sliding table and the primary sliding table, and the thread directions of the left half part and the right half part of the screw rod are opposite;

the lead screw front and back bilateral symmetry is equipped with the guide bar, and both ends respectively with the extension board fixed connection of the left and right sides about the guide bar, both sides respectively with deflector sliding connection around second grade slip table and the one-level slip table.

Preferably, the clamping mechanism comprises a fixing frame, a primary cylinder, an L-shaped rod, a pressing ring and a secondary cylinder, the fixing frame is of a U-shaped structure, the lower end face of the fixing frame is fixedly connected with the upper end face of the primary sliding table through a supporting leg, the primary cylinder is fixed at the center of the left side face of the fixing frame, and the secondary cylinder is fixed at the upper side of the left side face of the fixing frame;

the clamping ring is located both sides position about fixed frame inboard, and the clamping ring cross-section is the arc structure, L shape pole is located both sides position about the fixed frame, downside the horizontal segment of L shape pole and the telescopic shaft fixed connection of one-level cylinder, and the horizontal segment of upside L shape pole and the telescopic shaft fixed connection of second grade cylinder, the vertical section of L shape pole runs through fixed frame about respectively side central point put and correspond position fixed connection with the clamping ring.

Preferably, the arc-shaped surfaces corresponding to the compression rings are uniformly provided with grooves with spherical structures, and balls are rotatably connected in the grooves through bearings.

Preferably, notches are formed in the center positions of the mutually corresponding surfaces of the compression rings on the left side and the right side, clamping blocks are symmetrically arranged in the front and back of the center positions of the notches, movable rods with arc-shaped structures are fixedly connected to the sides, away from each other, of the clamping blocks, and pull rods are fixedly connected to the upper end surfaces of the clamping blocks;

the front side and the rear side of the notch are respectively provided with a rod groove with an arc-shaped section, the movable rod is inserted in the rod groove in a sliding manner, and the tail part of the movable rod is respectively elastically connected with the bottom of the rod groove through a spring.

Preferably, the rotating mechanism comprises a secondary motor, a driving rod, a limiting strip, a limiting groove, a sleeve, a barrel groove and a rod hole, the secondary motor is fixedly connected to the central position of the upper end of the right side surface of the right side supporting plate, an output shaft of the secondary motor penetrates through the supporting plate and is fixedly connected with the driving rod, and a plurality of limiting strips with rectangular cross sections are fixedly connected to the outer surface of the driving rod in an annular equidistant manner;

one side of the left end of the driving rod penetrates through the secondary sliding table and the primary sliding table and is rotatably connected with the upper end of the right side face of the left side support plate through a bearing, the secondary sliding table and the primary sliding table are provided with cylindrical grooves with circular hole-shaped structures corresponding to the driving rod, and the sleeve is rotatably connected with the inner side face of the cylindrical groove through the bearing;

the sleeve is sleeved on the driving rod in a sliding mode, and the inner side face of the sleeve is provided with a limiting groove corresponding to the limiting strip.

Preferably, frame plates are fixedly connected to the center of the upper end face of the secondary sliding table, the left side face and the right side face of each frame plate, close to the center of the upper end, penetrate through the center of the upper end of the frame plate and are rotatably connected with rotating shafts, and the surfaces, corresponding to each other, of the rotating shafts are fixedly connected with cylinders;

the central position of the mouth of the cylinder is provided with a clamping plate, and the annular outer surface of the clamping plate is fixedly connected with the inner side surface of the cylinder through four struts which are distributed at equal intervals.

Preferably, the center position of the circular surface at the inner side of the cylinder is fixedly connected with a three-stage motor, the end part of an output shaft of the three-stage motor is fixedly connected with a turntable, and the turntable is rotatably connected with the center position of the corresponding surface of the clamping plate through a fixed shaft;

four arc-shaped slotted holes are annularly and equidistantly formed in the circular surface of the turntable, protruding columns are slidably connected into the slotted holes, four adjusting grooves are annularly and equidistantly formed in the corresponding surface of the clamping plate, and adjusting rods are slidably connected into the adjusting grooves;

the adjusting rod is of an L-shaped structure, the vertical part of the adjusting rod is located in the adjusting groove, the convex column is fixedly connected with the outer side face, close to the central position of the clamping plate, of the vertical part of the adjusting rod respectively, the end part of the horizontal part of the adjusting rod is fixedly connected with a pressing block, the cross section of the pressing block is of a T-shaped structure, and one side, close to the columnar piece, of the pressing block is of an arc-shaped structure.

Preferably, the equal fixedly connected with one-level band pulley in the one side that the pivot was kept away from each other, and the inside sleeve of second grade slip table is close to one side of extension board fixedly connected with second grade band pulley respectively to the actuating lever runs through the second grade band pulley, rotate through the belt between one-level band pulley and the second grade band pulley and be connected.

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

1. the clamping mechanism can clamp columnar parts with different diameters and can also clamp annular parts, so that the application range of the clamp is widened;

2. carry out autogiration to the column through rotary mechanism to rotatory to the welding position with the face of weld, avoid artifical manual upset column, improve work efficiency when practicing thrift the labour.

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 embodiments or the prior art descriptions 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 the overall structure of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 in accordance with 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 a cross-sectional view taken at C-C of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged view taken at D of FIG. 3 in accordance with the present invention;

FIG. 6 is a left side view of the left turntable of the present invention;

FIG. 7 is a right side view of the left side cylinder of the present invention;

FIG. 8 is a schematic view of a clamping mechanism of the present invention clamping a ring.

Description of the reference numerals:

1. a base plate; 11. a support plate; 12. a first stage of sliding table; 13. a secondary sliding table; 14. a slide plate; 141. a slide rail; 15. a connecting plate; 2. a first-stage motor; 21. a screw rod; 22. a guide bar; 3. a rotation mechanism; 31. a secondary motor; 311. a drive rod; 312. a limiting strip; 313. a limiting groove; 32. a sleeve; 321. a barrel groove; 322. a rod hole; 33. a frame plate; 331. a rotating shaft; 332. a primary pulley; 333. a cylinder; 334. a secondary belt pulley; 34. a three-stage motor; 35. a turntable; 351. a slot; 36. a splint; 361. adjusting a rod; 362. a convex column; 363. an adjustment groove; 37. briquetting; 38. a pillar; 4. a clamping mechanism; 41. a fixing frame; 42. a primary cylinder; 43. an L-shaped rod; 44. pressing a ring; 441. a ball bearing; 45. a notch; 451. a clamping block; 452. a pull rod; 453. a movable rod; 454. a rod groove; 46. and a secondary cylinder.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The embodiment of the invention provides a welding fixture for an annular part and a columnar part, and solves the technical problems that in the prior art, in the welding work of columnar parts in a workshop, the columnar part is traditionally laid on a welding platform, the columnar part is fixed by the fixture and then welded, the fixture is mostly of a fixed structure and can only clamp parts in one shape, when the columnar part needs to be turned over, the fixture needs to be opened again, the columnar part is manually turned over, and for some large-scale pipes and shaft parts, the turning is inconvenient, the labor force is consumed, and the production efficiency is reduced;

in order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: the clamping mechanism can be used for clamping columnar parts with different diameters and clamping ring parts, and the rotating mechanism is used for automatically rotating the columnar parts, so that a welding surface is rotated to a welding position;

in order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a welding fixture for an annular part and a columnar part comprises a base plate 1, wherein first-stage sliding tables 12 are symmetrically arranged on the left side and the right side of the center of the upper end face of the base plate 1, second-stage sliding tables 13 are symmetrically arranged on the left side and the right side of the upper end face of the base plate 1, and the front side and the rear side between each adjacent first-stage sliding table 12 and each adjacent second-stage sliding table 13 are fixedly connected through connecting plates 15; the utility model discloses a lead screw 21, including one-level slip table 12, one-level slip table 13, bottom plate 1, lead screw 21, lead screw 22, and lead screw 22, both ends respectively with the 11 fixed connections of left side face lower extreme central point of right side extension board 11, and lead screw 21 respectively with two-level slip table 13 and one-level slip table 12, both sides slide connection slip table around two-level slip table 13 and the one-level slip table 12 respectively with the lead screw 11 fixed connection of left side extension board 11, and the lead screw 21 respectively with two-level slip table 13 and one-level slip table 12 screw drive connection, and lead screw 21 left and right halves's screw thread opposite direction, lead screw 21 front and back bilateral symmetry is equipped with guide bar 22, and guide bar 22 left and right sides both ends respectively with the 11 fixed connection of the left and right sides, two-level slip table 13 and one-level slip table 12 front and back both sides slide connection slip table respectively with the guide plate.

During operation, as the screw rod 21 penetrates through the second-stage sliding table 13 and the first-stage sliding table 12 and is rotatably connected with the center position of the lower end of the left side surface of the right side support plate 11 through a bearing, the screw rod 21 is respectively in spiral transmission connection with the second-stage sliding table 13 and the first-stage sliding table 12, the screw thread directions of the left half part and the right half part of the screw rod 21 are opposite, the front side and the rear side of the second-stage sliding table 13 and the front side and the rear side of the adjacent first-stage sliding table 12 and the second-stage sliding table 13 are respectively in fixed connection through the connecting plate 15, the front side and the rear side of the lower end surface of the first-stage sliding table 12 and the lower end surface of the second-stage sliding table 13 are respectively and symmetrically and fixedly connected with the sliding plates 14 in the front side and the rear side, the upper end surface of the bottom plate 1 is correspondingly provided with the sliding rails 141, the first-stage motor 2 is started to drive the screw rod 21 to rotate forwards or reversely, so as to respectively drive the first-stage sliding tables 12 at the left side and the right side and the second-stage sliding tables 13 to be close to or away from each other, thereby matching with columns with different lengths and annular pieces, the annular pieces and clamping mechanisms 4 are used for clamping the annular pieces, the welding surfaces of the cylindrical pieces, the welding surfaces of the columnar pieces, the columnar pieces are overturned surfaces through the rotating mechanism 3 in the welding process, thereby avoiding manual overturning of the columnar pieces, and improving the work efficiency while saving labor force.

As an embodiment of the present invention, as shown in fig. 1 to 3, the clamping mechanism 4 includes a fixing frame 41, a primary air cylinder 42, an L-shaped rod 43, a pressing ring 44, and a secondary air cylinder 46, the fixing frame 41 is U-shaped, a lower end surface of the fixing frame 41 is fixedly connected to an upper end surface of the primary sliding table 12 through a leg, the primary air cylinder 42 is fixed at a lower side position of a left side surface of the fixing frame 41, and the secondary air cylinder 46 is fixed at an upper side position of the left side surface of the fixing frame 41; clamping ring 44 is located both sides position about fixed frame 41 is inboard, and clamping ring 44 cross-section is the arc structure, L shape pole 43 is located both sides position about fixed frame 41, the downside the telescopic shaft fixed connection of the horizontal segment of L shape pole 43 and one-level cylinder 42, and the telescopic shaft fixed connection of the horizontal segment of upside L shape pole 43 and second grade cylinder 46, the vertical section of L shape pole 43 runs through fixed frame 41 upper and lower side central point respectively and corresponds position fixed connection with clamping ring 44, evenly set up spherical structure's recess on the arcwall face that clamping ring 44 corresponds each other, and rotate through the bearing in the recess and be connected with ball 441.

During operation, two to treat welded column spare respectively arrange in on the clamping ring 44 of the inboard below of left and right sides fixed frame 41, start second grade cylinder 46 and one-level cylinder 42 simultaneously afterwards and drive the shrink of the regulation L shape pole 43 of both sides about respectively, thereby the clamping ring 44 that drives both sides about each other is close to until pressing from both sides the column spare tightly, weld the column spare afterwards, it is rotatory to the column spare through rotary mechanism 3 at the welded in-process, because evenly set up spherical structure's recess on the arcwall face that clamping ring 44 corresponds each other, and be connected with ball 441 through the bearing rotation in the recess and make the column spare be located the part between two clamping rings 44 can rotate, ball 441 has then reduced the wearing and tearing between column spare and the clamping ring 44.

As an embodiment of the present invention, as shown in fig. 2, 4 and 8, notches 45 are respectively formed in the center positions of the mutually corresponding surfaces of the pressing rings 44 on the left and right sides, clamping blocks 451 are symmetrically arranged in front and back of the center position of the notch 45, movable rods 453 in an arc structure are fixedly connected to the sides of the clamping blocks 451 far away from each other, pull rods 452 are fixedly connected to the upper end surfaces of the clamping blocks 451, rod grooves 454 having arc-shaped cross sections are respectively formed in the front and back side surfaces of the notch 45, the movable rods 453 are slidably inserted into the rod grooves 454, and the tails of the movable rods 453 are respectively elastically connected to the bottoms of the rod grooves 454 through springs.

The during operation, when only welding the loop forming element, start one-level motor 2 and drive the corotation of lead screw 21 or reversal, thereby drive the one-level slip table 12 of the left and right sides respectively, second grade slip table 13 is close to each other or keeps away from each other, thereby drive two fixed frame 41 and be close to each other or keep away from, and then match the loop forming element of different diameters, pull two clamp blocks 451 open through pull rod 452 and put into between two fixed frame 41 afterwards with the loop forming element, make the left and right sides of loop forming element be located notch 45 respectively, because notch 45 front and back side all sets up the pole groove 454 that the cross-section is arc structure, and movable rod 453 slides and pegs graft in pole groove 454, and movable rod 453 afterbody is respectively through the tank bottom elastic connection of spring with pole groove 454, loosen pull rod 452, movable rod 453 will drive clamp block 451 to kick-back under the effect of spring and thereby it is fixed to encircle the loop forming element centre gripping, the opening of loop forming element is in the upper end position of loop forming element this moment, can weld the opening position of loop forming element through the welding machine, avoid the loop forming element to take place to rock and influence welding effect in welding process.

As an embodiment of the present invention, as shown in fig. 2, fig. 3, fig. 6 and fig. 7, the rotating mechanism 3 includes a secondary motor 31, a driving rod 311, a limiting strip 312, a limiting groove 313, a sleeve 32, a barrel groove 321 and a rod hole 322, the secondary motor 31 is fixedly connected to a central position of an upper end of a right side surface of the right side support plate 11, an output shaft thereof penetrates through the support plate 11 and is fixedly connected to the driving rod 311, a plurality of limiting strips 312 with rectangular cross sections are fixedly connected to an outer surface of the driving rod 311 at equal intervals in an annular manner, one side of a left end of the driving rod 311 penetrates through the secondary sliding table 13 and the primary sliding table 12 and is rotatably connected to an upper end of a right side surface of the left side support plate 11 through a bearing, the secondary sliding table 13 and the primary sliding table 12 are provided with the barrel groove 321 with a circular hole-shaped structure corresponding to the driving rod 311, the sleeve 32 is rotatably connected to an inner side surface of the barrel groove 321 through a bearing, the sleeve 32 is slidably sleeved on the driving rod 311, and an inner side surface of the sleeve 32 is provided with the limiting strip 312 provided with the limiting groove 313; the center of the upper end face of the secondary sliding table 13 is fixedly connected with a frame plate 33, the center of the upper end of the left side face and the right side face of the frame plate 33 is connected with a rotating shaft 331 in a penetrating and rotating mode, the mutually corresponding faces of the rotating shafts 331 are fixedly connected with a cylinder 333, a clamping plate 36 is arranged at the center of the opening of the cylinder 333, and the annular outer surface of the clamping plate 36 is fixedly connected with the inner side face of the cylinder 333 through four struts 38 which are distributed equidistantly; a third-stage motor 34 is fixedly connected to the center position of the circular surface of the inner side of the cylinder 333, the end part of an output shaft of the third-stage motor 34 is fixedly connected with a rotary disc 35, the rotary disc 35 is rotatably connected with the center position of the corresponding surface of the clamping plate 36 through a fixed shaft, four arc-shaped slotted holes 351 are annularly and equidistantly formed in the circular surface of the rotary disc 35, convex columns 362 are slidably connected in the slotted holes 351, four adjusting grooves 363 are annularly and equidistantly formed in the corresponding surface of the clamping plate 36, adjusting rods 361 are slidably connected in the adjusting grooves 363, the adjusting rods 361 are in an L-shaped structure, the vertical parts of the adjusting rods 361 are located in the adjusting grooves 363, the convex columns 362 are respectively and fixedly connected with the outer side surfaces of the vertical parts of the adjusting rods 361, which are close to the center position of the clamping plate 36, pressing blocks 37 with T-shaped cross sections are fixedly connected to the end parts of the horizontal parts of the adjusting rods 361, and one side of the pressing blocks 37, which is close to the columnar piece, is in an arc-shaped structure; the equal fixedly connected with one-level band pulley 332 of one side that pivot 331 kept away from each other, and the inside sleeve 32 of second grade slip table 13 is close to one side difference fixedly connected with second grade band pulley 334 of extension board 11 to actuating lever 311 runs through second grade band pulley 334, rotate through the belt between one-level band pulley 332 and the second grade band pulley 334 and be connected.

In operation, based on the above embodiment, when welding the pillar-shaped piece, after the pillar-shaped piece is placed on the pressing ring 44 below the inner side of the two fixing frames 41, since the two-stage sliding table 13 and the one-stage sliding table 12 are slidably connected with the driving rod 311, the one-stage motor 2 is started to drive the screw rod 21 to rotate, thereby driving the two-stage sliding table 13 to approach each other along the screw rod 21 and the driving rod 311, thereby respectively clamping the clamping plate 36 on the surface where the two pillar-shaped pieces are away from each other, until the seam driving the two pillar-shaped pieces is tightly attached to each other, then clamping and fixing are performed by the clamping mechanism 4, simultaneously starting the three-stage motors 34 on the left and right sides, driving the left-side turntable 35 to rotate clockwise, driving the right-side turntable 35 to rotate counterclockwise, since the turntable 35 is symmetrical to each other, the circular surface of the turntable 35 is provided with four arc-shaped slots 351 at equal intervals, and the boss 362 is slidably connected in the slot, the clamping plate 36 is provided with four adjusting slots 363 at equal intervals, and the adjusting slots 361 are slidably connected in the adjusting slots 363, and the adjusting rods 361 are slidably connected in the adjusting slots 361, the adjusting rods 361, and the adjusting rods 361 are arranged in the vertical portion of the sliding connection with the pressing block 37, thereby preventing the pressing block 13 from moving along the horizontal pressing block 37, when the pressing block 37 is moved, thereby preventing the pressing block 37 from moving along the horizontal pressing block 37, the pressing block 37, which is driven by the pressing block 37, and sleeve 32 and barrel casing 321 medial surface pass through the bearing and rotate and be connected, sleeve 32 slip cover is established on actuating lever 311, and sleeve 32 medial surface corresponds spacing 312 and has seted up spacing 313, make actuating lever 311 can drive sleeve 32 at barrel casing 321 internal rotation when rotatory, because the equal fixedly connected with one-level band pulley 332 of the one side that pivot 331 kept away from each other, and one side that the inside sleeve 32 of second grade slip table 13 is close to extension board 11 is fixedly connected with second grade band pulley 334 respectively, and actuating lever 311 runs through second grade band pulley 334, rotate through the belt between one-level band pulley 332 and the second grade band pulley 334 and be connected, thereby it is rotatory to drive pivot 331, and then drive drum 333 and rotate, and splint 36 passes through pillar 38 and drum 333 medial surface fixed connection, thereby it is rotatory to drive splint 36, and then drive the column rotatory, avoid artifical manual rotatory column, improve work efficiency when practicing thrift the labour.

The working principle is as follows: because one side of the screw rod 21 penetrates through the second-stage sliding table 13 and the first-stage sliding table 12 and is rotatably connected with the central position of the lower end of the left side surface of the right side support plate 11 through a bearing, the screw rod 21 is respectively in spiral transmission connection with the second-stage sliding table 13 and the first-stage sliding table 12, the thread directions of the left half part and the right half part of the screw rod 21 are opposite, the front side and the rear side of the second-stage sliding table 13 and the front side and the rear side of the adjacent first-stage sliding table 12 and the second-stage sliding table 13 are respectively in sliding connection through the connecting plate 15, the sliding plates 14 are respectively and symmetrically and fixedly connected with the front side and the rear side of the lower end surface of the first-stage sliding table 12 and the second-stage sliding table 13, the upper end surface of the bottom plate 1 is correspondingly provided with the slide rail 141, the first-stage motor 2 is started to drive the screw rod 21 to rotate forwards or reversely, thereby respectively driving the first-stage sliding table 12 and the second-stage sliding table 13 at the left side and the right side to approach or separate from each other, thereby match the column piece of different length and the annular member of different diameters, respectively place two column pieces to be welded on the clamping ring 44 of the inboard below of left and right sides fixed frame 41, subsequently start second grade cylinder 46 and first grade cylinder 42 and drive the regulation L shape pole 43 of upper and lower both sides to shrink respectively simultaneously, thus drive the clamping ring 44 of upper and lower both sides to be close to each other until clamping the column piece, weld the column piece subsequently, rotate the column piece through rotary mechanism 3 in the course of welding, because the arc surface that the clamping ring 44 corresponds to each other has grooves of spherical structure evenly, and connect with the ball 441 through the bearing rotation in the groove and make the column piece lie in the part between two clamping rings 44 can rotate, the ball 441 has reduced the abrasion between column piece and clamping ring 44;

when only the ring-shaped piece is welded, the primary motor 2 is started to drive the screw rod 21 to rotate forwards or reversely, so that the primary sliding tables 12 on the left side and the secondary sliding tables 13 on the right side are respectively driven to approach or keep away from each other, so that the two fixed frames 41 are driven to approach or keep away from each other, and then the ring-shaped pieces with different diameters are matched, the two clamping blocks 451 are pulled open through the pull rod 452, and then the ring-shaped piece is placed between the two fixed frames 41, so that the left side and the right side of the ring-shaped piece are respectively positioned in the notches 45, because the front side and the rear side of the notches 45 are respectively provided with the rod grooves 454 with arc-shaped sections, the movable rods 453 are slidably inserted in the rod grooves 454, the tail parts of the movable rods 453 are respectively and elastically connected with the groove bottoms of the rod grooves 454 through springs, the pull rod 452 is loosened, the movable rods 453 drive the clamping blocks 451 to rebound under the action of the springs so as to clamp and fix the ring-shaped piece, at the position of the to-be welded port of the ring-shaped piece is positioned at the upper end of the ring-shaped piece, the ring-shaped piece can be welded by the welding machine, so that the ring-shaped piece can be welded by the welding machine, and the ring-shaped piece is prevented from shaking in the welding process of the welding process, and the welding effect is affected by the welding;

when the columnar parts are welded, after the columnar parts are placed on the compression rings 44 below the inner sides of the two fixed frames 41, the first-stage motor 2 is started to drive the screw rod 21 to rotate due to the sliding connection between the second-stage sliding table 13 and the first-stage sliding table 12 and the driving rod 311, so as to drive the second-stage sliding table 13 to approach each other along the screw rod 21 and the driving rod 311, further clamp the clamping plates 36 on the surfaces of the two columnar parts far away from each other respectively until the joints of the two columnar parts are tightly jointed with each other, then the clamping mechanisms 4 are used for clamping and fixing, and then the third-stage motors 34 on the left side and the right side are started simultaneously to drive the left-side rotary table 35 to rotate clockwise and the right-side rotary table 35 to rotate counterclockwise, because the rotary tables 35 are mutually symmetrical, four arc-structured slotted holes 351 are formed in the circular surface of the rotary table 35 at equal intervals, convex columns 362 are connected in the sliding manner in the slotted holes 351, four adjusting grooves 363 are formed in the corresponding surfaces of the clamping plates 36 at equal intervals, an adjusting rod 361 is connected in the adjusting groove 363 in a sliding manner, the adjusting rod 361 is of an L-shaped structure, the vertical part of the adjusting rod 361 is located in the adjusting groove 363, the convex columns 362 are respectively and fixedly connected with the outer side face of the vertical part of the adjusting rod 361, which is close to the central position of the clamping plate 36, the end part of the horizontal part of the adjusting rod 361 is respectively and fixedly connected with a pressing block 37 with a T-shaped structure in cross section, so that the convex columns 362 are driven to move inwards along the slotted holes 351, the adjusting rod 361 is driven to shrink inwards along the adjusting groove 363, the pressing block 37 shrinks inwards together to clamp the tail of the columnar piece, one side of the pressing block 37, which is close to the columnar piece, is of an arc-shaped structure, so that the columnar piece can be conveniently clamped, the shaking in the welding process is avoided, when the columnar piece needs to be rotated, the secondary motor 31 is started to drive the driving rod 311 to rotate, and as the cylindrical groove 321 with a circular hole-shaped structure is arranged on the driving rod 311 corresponding to the secondary sliding table 13 and the primary sliding table 12, and sleeve 32 and barrel casing 321 medial surface pass through the bearing and rotate and be connected, sleeve 32 slip cover is established on actuating lever 311, and sleeve 32 medial surface corresponds spacing 312 and has seted up spacing 313, make actuating lever 311 can drive sleeve 32 at barrel casing 321 internal rotation when rotatory, because the equal fixedly connected with one-level band pulley 332 of the one side that pivot 331 kept away from each other, and one side that the inside sleeve 32 of second grade slip table 13 is close to extension board 11 is fixedly connected with second grade band pulley 334 respectively, and actuating lever 311 runs through second grade band pulley 334, rotate through the belt between one-level band pulley 332 and the second grade band pulley 334 and be connected, thereby it is rotatory to drive pivot 331, and then drive drum 333 and rotate, and splint 36 passes through pillar 38 and drum 333 medial surface fixed connection, thereby it is rotatory to drive splint 36, and then drive the column rotatory, avoid artifical manual rotatory column, improve work efficiency when practicing thrift the labour.

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

1. The utility model provides a welding jig of annular piece and column, includes bottom plate (1), its characterized in that: the left side and the right side of the central position of the upper end surface of the bottom plate (1) are symmetrically provided with a first-stage sliding table (12), the left side and the right side of the upper end surface of the bottom plate (1) are symmetrically provided with a second-stage sliding table (13), and the front side and the rear side between the adjacent first-stage sliding table (12) and the second-stage sliding table (13) are fixedly connected through a connecting plate (15);

the upper end face of the primary sliding table (12) is provided with a clamping mechanism (4), and the upper end face of the secondary sliding table (13) is provided with a rotating mechanism (3);

the clamping mechanism (4) clamps the annular part and the columnar part, and the rotating mechanism (3) overturns the welding surface of the columnar part.

2. The welding jig for the annular member and the cylindrical member according to claim 1, wherein: the end surface all is symmetry fixedly connected with slide (14) around under one-level slip table (12) and second grade slip table (13), and slide rail (141) have been seted up to bottom plate (1) up end correspondence.

3. The welding jig of ring-shaped member and column-shaped member as claimed in claim 1, wherein: the left end and the right end of the upper end face of the bottom plate (1) are fixedly connected with a support plate (11), and the center of the lower end of the left side face of the left support plate (11) is fixedly connected with a primary motor (2);

an output shaft of the primary motor (2) penetrates through the support plate (11) and is fixedly connected with a screw rod (21), one side of the screw rod (21) penetrates through the secondary sliding table (13) and the primary sliding table (12) and is rotatably connected with the center of the lower end of the left side surface of the right support plate (11) through a bearing, the screw rod (21) is respectively in spiral transmission connection with the secondary sliding table (13) and the primary sliding table (12), and the thread directions of the left half part and the right half part of the screw rod (21) are opposite;

both sides symmetry is equipped with guide bar (22) around lead screw (21), and both ends respectively with extension board (11) fixed connection of the left and right sides about guide bar (22), both sides respectively with deflector sliding connection around second grade slip table (13) and one-level slip table (12).

4. The welding jig for the annular member and the cylindrical member according to claim 1, wherein: the clamping mechanism (4) comprises a fixing frame (41), a first-stage air cylinder (42), an L-shaped rod (43), a pressure ring (44) and a second-stage air cylinder (46), the fixing frame (41) is of a U-shaped structure, the lower end face of the fixing frame (41) is fixedly connected with the upper end face of a first-stage sliding table (12) through supporting legs, the first-stage air cylinder (42) is fixed at the lower side position of the left side face of the fixing frame (41), and the second-stage air cylinder (46) is fixed at the upper side position of the left side face of the fixing frame (41);

clamping ring (44) are located both sides position about fixed frame (41) is inboard, and clamping ring (44) cross-section is the arc structure, L shape pole (43) are located both sides position about fixed frame (41), downside the telescopic shaft fixed connection of the horizontal segment of L shape pole (43) and one-level cylinder (42), and the telescopic shaft fixed connection of the horizontal segment of upside L shape pole (43) and second grade cylinder (46), the vertical section of L shape pole (43) runs through fixed frame (41) about the side central point put and correspond position fixed connection with clamping ring (44) respectively.

5. The welding jig for the annular member and the cylindrical member according to claim 4, wherein: the arc-shaped surfaces of the pressing rings (44) corresponding to each other are uniformly provided with grooves of spherical structures, and balls (441) are rotatably connected into the grooves through bearings.

6. The welding jig of a ring-shaped member and a column-shaped member as set forth in claim 4, wherein: notches (45) are formed in the center positions of the mutually corresponding surfaces of the compression rings (44) on the left side and the right side, clamping blocks (451) are symmetrically arranged in the front and at the back of the center positions of the notches (45), movable rods (453) with arc structures are fixedly connected to the sides, away from each other, of the clamping blocks (451), and pull rods (452) are fixedly connected to the upper end surfaces of the clamping blocks (451);

rod grooves (454) with arc-shaped sections are formed in the front side surface and the rear side surface of the notch (45), the movable rod (453) is inserted into the rod grooves (454) in a sliding mode, and the tail portion of the movable rod (453) is elastically connected with the groove bottoms of the rod grooves (454) through springs.

7. The welding jig for the annular member and the cylindrical member according to claim 1, wherein: the rotating mechanism (3) comprises a secondary motor (31), a driving rod (311), a limiting strip (312), a limiting groove (313), a sleeve (32), a sleeve groove (321) and a rod hole (322), the secondary motor (31) is fixedly connected to the center of the upper end of the right side surface of the right side support plate (11), an output shaft of the secondary motor penetrates through the support plate (11) and is fixedly connected with the driving rod (311), and a plurality of limiting strips (312) with rectangular sections are fixedly connected to the outer surface of the driving rod (311) in an annular equidistant mode;

one side of the left end of the driving rod (311) penetrates through the secondary sliding table (13) and the primary sliding table (12) and is rotatably connected with the upper end of the right side surface of the left side support plate (11) through a bearing, the secondary sliding table (13) and the primary sliding table (12) are provided with a cylindrical groove (321) with a circular hole-shaped structure corresponding to the driving rod (311), and the sleeve (32) is rotatably connected with the inner side surface of the cylindrical groove (321) through a bearing;

the sleeve (32) is sleeved on the driving rod (311) in a sliding mode, and a limiting groove (313) is formed in the inner side face of the sleeve (32) corresponding to the limiting strip (312).

8. The welding jig for the annular member and the cylindrical member according to claim 7, wherein: frame plates (33) are fixedly connected to the center positions of the upper end faces of the secondary sliding tables (13), the positions, close to the center positions of the upper ends, of the left side faces and the right side faces of the frame plates (33) penetrate through and are rotatably connected with rotating shafts (331), and the corresponding faces of the rotating shafts (331) are fixedly connected with cylinders (333);

the center of the mouth of the cylinder (333) is provided with a clamping plate (36), and the annular outer surface of the clamping plate (36) is fixedly connected with the inner side surface of the cylinder (333) through four struts (38) which are distributed at equal intervals.

9. The welding jig for the annular member and the cylindrical member according to claim 8, wherein: the center of the circular surface of the inner side of the cylinder (333) is fixedly connected with a three-stage motor (34), the end part of an output shaft of the three-stage motor (34) is fixedly connected with a turntable (35), and the turntable (35) is rotatably connected with the center of the corresponding surface of the clamping plate (36) through a fixed shaft;

four arc-shaped slotted holes (351) are formed in the circular surface of the rotary disc (35) in an annular and equidistant mode, convex columns (362) are connected in the slotted holes (351) in a sliding mode, four adjusting grooves (363) are formed in the corresponding surface of the clamping plate (36) in an annular and equidistant mode, and adjusting rods (361) are connected in the adjusting grooves (363) in a sliding mode;

the adjusting rod (361) is of an L-shaped structure, the vertical portion of the adjusting rod (361) is located in the adjusting groove (363), the protruding column (362) is fixedly connected with the outer side face, close to the center position of the clamping plate (36), of the vertical portion of the adjusting rod (361), the end portion of the horizontal portion of the adjusting rod (361) is fixedly connected with a pressing block (37) with a T-shaped cross section, and one side, close to the columnar piece, of the pressing block (37) is of an arc-shaped structure.

10. The welding jig for the annular member and the cylindrical member according to claim 7, wherein: the equal fixedly connected with one-level band pulley (332) in the one side that pivot (331) kept away from each other, and one side that the inside sleeve (32) of second grade slip table (13) is close to extension board (11) is fixedly connected with second grade band pulley (334) respectively to actuating lever (311) run through second grade band pulley (334), rotate through the belt between one-level band pulley (332) and the second grade band pulley (334) and be connected.