CN112276399B - Method for positioning and clamping spiral blade - Google Patents
Method for positioning and clamping spiral blade Download PDFInfo
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- CN112276399B CN112276399B CN202011200151.3A CN202011200151A CN112276399B CN 112276399 B CN112276399 B CN 112276399B CN 202011200151 A CN202011200151 A CN 202011200151A CN 112276399 B CN112276399 B CN 112276399B
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- clamping
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- mounting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Abstract
The invention relates to a method for positioning and clamping a helical blade, which comprises the steps of sleeving the helical blade on a clamping fixture, adjusting the pitch of the helical blade to be consistent with a preset value, adjusting each clamping opening on the clamping fixture to clamp the helical blade, wherein the clamping openings are arranged in an A helical line shape, and the shape of the A helical line is consistent with that of the helical blade after the pitch is adjusted. Through above-mentioned press from both sides dress anchor clamps, it can effectual realization match corresponding welding demand to the reliable clamp dress of the helical blade of unidimensional, guarantees the reliable welding between helical blade and the steel cylinder.
Description
Technical Field
The invention relates to the field of welding tools, in particular to a method for positioning and clamping a spiral blade.
Background
In material mummification treatment facility, often need weld helical blade on the inner tube wall, traditional helical blade's welding is mainly manual operation and accomplishes, bores into the inner tube through the workman and welds, this kind of operation spinning, workman's intensity of labour is big, operates moreover and inconvenient, inefficiency. Therefore, a solution with more convenient operation and higher efficiency is needed.
Disclosure of Invention
The invention aims to provide a clamping fixture for welding a helical blade, which can effectively solve the problems and provide convenience for welding and positioning the helical blade.
The scheme adopted by the invention is as follows:
the utility model provides a helical blade welding is with pressing from both sides dress anchor clamps which characterized in that: including clamping part, the adjustment mechanism that sets up on installation department and the installation department, clamping part sets up along the circumference interval of installation department, equidistant interval sets up the centre gripping sub-part on the clamping part, has the centre gripping mouth that is used for centre gripping helical blade on the centre gripping sub-part, and the centre gripping unit of a fixed round helical blade is constituteed to the centre gripping sub-part of equal number of times department on each clamping part, and the centre gripping sub-part on the same centre gripping unit is the spiral line form and arranges, and each clamping part is movable mounting respectively on the installation department, adjustment mechanism including radial adjusting element, the clamping part is connected with radial adjusting element, and radial adjusting element adjusts the interval that each clamping part goes up the centre gripping sub-part apart from the installation department center.
The specific scheme is as follows: the clamping device further comprises a spacing adjusting unit, and the spacing adjusting unit adjusts the spacing between the clamping subparts on the clamping part. The clamping sub-part consists of two oppositely arranged clamping pieces, and the area between the two clamping pieces forms the clamping opening. The clamping piece is a circular rod body.
The installation department includes the installation sub-part that the installation body and each set up along the circumference interval of installation department, and each clamping part is respectively along the radial slidable mounting of installation department on each installation sub-part, and radial adjusting element adjusts each clamping part and slides the interval regulation that realizes each clamping part goes up clamping sub-part apart from the installation department center. Three groups of mounting sub-parts and clamping parts are respectively arranged. The radial adjusting unit synchronously adjusts the distance between the clamping sub-parts on the clamping parts of the three clamping parts and the center of the mounting part. The spacing adjusting unit synchronously adjusts the spacing between the clamping subparts on the clamping parts of the three clamping parts.
The inlet of the clamping opening is arranged in a V shape; at least one of the two clamping pieces is installed in a floating mode along the direction of the distance between the two clamping pieces.
The invention also provides an adjusting mechanism which can be used for adjusting the posture of the clamp and is used for realizing reliable clamping and assembling of the helical blades with different sizes.
A adjustment mechanism for pressing from both sides dress anchor clamps which characterized in that: the clamping part comprises an A1 mounting rod and an A2 mounting rod which are arranged in parallel, the A1 mounting rod is positioned on the outer side of the A2 mounting rod, A1 sliding mounting blocks are arranged on the A1 mounting rod at intervals, each clamping sub-part is assembled on each A1 sliding mounting block, A2 sliding mounting blocks are arranged on the A2 mounting rod at intervals, A1 and A2 sliding mounting blocks are arranged at intervals along the length direction of the A1 mounting rod respectively, adjacent A1 and A2 sliding mounting blocks are connected through an A1 connecting rod, two ends of the A1 connecting rod are assembled and mounted with the A1 and the A2 sliding mounting blocks respectively through hinge shafts, adjacent A1 connecting rods are arranged in a V shape, the spacing adjusting unit adjusts the spacing between the A1 and A2 mounting rods, and the radial adjusting unit adjusts the spacing between each A1 sliding mounting block and the center of the A1 mounting part.
The specific scheme is as follows: the clamping part comprises an A sliding frame which is arranged along the radial direction of the mounting part in a sliding mode, the A1 and the A2 mounting rod are assembled on the A sliding frame, and the A sliding frame is adjusted to slide by the radial adjusting unit.
The A sliding frame comprises sliding brackets A1 and A2 which are arranged at intervals, two ends of the A1 and A2 mounting rods are assembled on the sliding brackets A1 and A2, the sliding brackets A1 and A2 are arranged perpendicular to the A1 and A2 mounting rods, the sliding brackets A1 and A2 are assembled with the mounting sub-parts in a sliding mode, two ends of the A2 mounting rod are assembled with the sliding brackets A1 and A2 in a sliding mode, and the A1 mounting rods are adjusted to slide by the spacing adjusting unit.
The spacing adjustment unit comprises spacing adjustment parts and spacing adjustment driving parts which are arranged corresponding to the clamping parts, the spacing adjustment driving parts are in transmission connection with the spacing adjustment parts through spacing transmission parts respectively, the spacing adjustment parts are installed on the A sliding frames respectively, the spacing adjustment driving parts are installed on the installation frame body, and the spacing transmission parts are assembled on the installation sub-parts respectively.
The spacing adjusting part comprises an A1 adjusting rod arranged in parallel with the A1 mounting rod, two ends of the A1 adjusting rod are rotatably arranged on an A1 and an A2 sliding bracket, two ends of the A1 adjusting rod are respectively provided with an A1 transmission gear, two ends of the A1 mounting rod are assembled with an A1 sliding block, two A1 sliding blocks are respectively slidably assembled on an A1 and an A2 sliding bracket, the A1 sliding block is provided with an A1 rack part, the A1 rack part is in meshing transmission connection with the A1 transmission gear, the spacing transmission part comprises an A1, an A2 and an A3 bevel gear and an A spline shaft arranged along the radial direction of the mounting part, the A spline shaft is rotatably arranged on the mounting part, the A1 bevel gear and the A2 bevel gear are in meshing transmission connection and are both rotatably arranged on the A1 movable seat, the A1 movable seat is fixedly connected with the A sliding frame, the A2 bevel gear is slidably assembled with the A spline shaft, the A1 adjusting rod is assembled at one end of the A1 adjusting rod, the A3 bevel gear is fixedly arranged on the A1, the A3 bevel gear is connected with the spacing adjustment driving part.
The spacing adjustment driving part comprises an A4 bevel gear, the A4 bevel gear is in meshed transmission connection with the A3 bevel gear, the A4 bevel gear is rotatably installed on the installation frame body, the clamping sub-parts are arranged at intervals along the circumferential direction of the A4 bevel gear, the A4 bevel gear is provided with a spacing adjustment operating rod, and the installation frame body on the outer side of the A4 bevel gear is provided with a locking part for locking the rotation of the A4 bevel gear.
The radial adjusting unit comprises outer diameter adjusting parts and outer diameter adjusting driving parts, the outer diameter adjusting driving parts are respectively in transmission connection with the outer diameter adjusting parts, the outer diameter adjusting parts comprise A1 connecting seats which are rotatably assembled on the A1 adjusting rods, the outer diameter adjusting driving parts comprise A2 adjusting rods, screw rod body sections are arranged on the A2 adjusting rods, sliding nut seats matched with screw rods and formed by the screw rod body sections are arranged on the screw rod body sections, A2 connecting rods are arranged between the sliding nut seats and the A1 connecting seats, two ends of the A2 connecting rods are respectively hinged with the sliding nut seats through hinged shafts, and the A1 connecting seats are hinged.
The mounting bracket body comprises a left mounting bracket and a right mounting bracket which are arranged at intervals, an A4 bevel gear is arranged on the left mounting bracket, an A4 bevel gear and an A2 adjusting rod are arranged concentrically, two ends of the A2 adjusting rod are rotatably arranged on the left mounting bracket and the right mounting bracket, each mounting sub-bracket comprises a left mounting sub-bracket and a right mounting sub-bracket, and the left mounting sub-bracket and the right mounting sub-bracket are assembled on the left mounting bracket and the right mounting bracket respectively.
And a guide rod A used for sliding, guiding and assembling with the sliding nut seat is also arranged between the left mounting rack and the right mounting rack.
Left side mounting bracket includes left mounting disc, A4 bevel gear rotates and installs on the outer quotation of left mounting disc, the middle part of left mounting disc is provided with left sleeve pipe, the tip that left sleeve pipe is located left mounting disc inboard is provided with A1 installed part, right side mounting bracket includes right mounting disc, the middle part of right mounting disc is provided with right sleeve pipe, the tip that right sleeve pipe is located right mounting disc inboard is provided with A2 installed part, the both ends of A guide arm are fixed at A1, A2 is on the installed part, the both ends rotation that A2 adjusted the pole is installed on a left side, right side sleeve pipe is intraductal, the tip that A2 adjusted the pole and extended to the left sleeve pipe outside sets up radial regulation operation wheel.
The upper ends of the two supporting seats are respectively provided with a limiting bayonet, the two supporting seats are installed in an up-down mode, the middle parts of the left sleeve pipe, the right sleeve pipe and the A2 adjusting rod are provided with clamping structures matched with the limiting bayonet, and the two supporting seats are installed on the walking trolley at intervals along the length direction of the A2 adjusting rod.
The invention also provides a method for positioning and clamping the spiral blade, which is characterized by comprising the following steps: including with the whole cover of helical blade on pressing from both sides the dress anchor clamps, the pitch of adjustment helical blade is unanimous with the value of predetermineeing, adjusts each centre gripping mouth on pressing from both sides the dress anchor clamps and carries out the centre gripping to the helical blade, and the centre gripping mouth is A helix form and arranges, and the shape of A helix keeps unanimous with the helical blade's after adjusting the pitch shape.
The detailed scheme is as follows: the helical blade is sleeved on the clamping fixture, and the center line of the helical blade is arranged transversely.
The centre gripping mouth is along the radial direction movable mounting of A helix, adjusts the centre gripping mouth before the suit helical blade and more arranges near the center of A helix, and helical blade's pitch is adjusted the back well, and the regulation centre gripping mouth is along the radial outside side removal of A helix, and the realization is fixed to helical blade's reliable centre gripping.
The method for adjusting the pitch of the A spiral line comprises the following steps: divide into each clamping part with the centre gripping mouth along the circumference of A helix, each centre gripping mouth is arranged along the direction of height of A helix equidistant on every clamping part, and the centre gripping unit that carries out the centre gripping location to a round helical blade is constituteed to the centre gripping mouth of corresponding position/number of times on each clamping part, can adjust the pitch of A helix through the interval of adjusting the centre gripping mouth on each part.
The method for adjusting the external diameter of the A spiral line comprises the following steps: the outer diameter of the A spiral line can be adjusted by adjusting the distance between each clamping part and the A spiral line.
Clamping components with clamping openings formed in the same clamping portion are respectively assembled on an A1 sliding installation block, an A1 sliding installation block is assembled on an A1 installation rod in an equally-spaced sliding mode, an A2 installation rod arranged in parallel with the A1 installation rod is arranged beside the A1 installation rod, an A2 sliding installation block is arranged on an A2 installation rod in an equally-spaced sliding mode, adjacent A1 and A2 sliding installation blocks are hinged and connected through an A1 connection rod, adjacent A1 connection rods are arranged in a V shape, and the thread pitch of an A spiral line is adjusted by adjusting the space between the A1 installation rod and the A2 installation rod.
A1 and A2 are arranged on the A sliding frame, and the outer diameter of the A spiral line is adjusted by adjusting the distance between the A sliding frame and the center of the A spiral line.
The clamping fixture is provided with a left mounting rack and a right mounting rack, the left mounting rack is arranged to be composed of a left mounting disc and a left mounting sub-support arranged at intervals along the circumferential direction of the left mounting disc, the right mounting rack is arranged to be composed of a right mounting disc and a right mounting sub-support arranged at intervals along the circumferential direction of the right mounting disc, two ends of an A sliding frame are slidably mounted on the left mounting sub-support and the right mounting sub-support, an A1 adjusting rod parallel to the A1 mounting rod is further mounted on the A sliding frame, an A1 adjusting rod is provided with an A1 transmission gear, two ends of the A2 adjusting rod are respectively provided with an A1 sliding block, the A1 sliding block is slidably mounted on the A sliding frame, an A1 rack is arranged on the A1 sliding block, an A1 rack is meshed with the A1 transmission gear in a transmission connection, a spline shaft and a movably mounted A1 movable seat are rotatably mounted on the left mounting rack, an A1 movable seat is fixedly connected with the A sliding frame, an A1 movable seat is rotatably mounted with an A1 movable seat, The A2 bevel gear, the A1 bevel gear is assembled on the A1 adjusting rod, the A2 bevel gear is assembled on the A spline shaft in a sliding mode, the A spline shaft is further assembled with the A3 bevel gear, the A4 bevel gear is rotatably installed on the left installation disc, the A3 bevel gear and the A4 bevel gear are in meshing transmission connection, the length direction of the A spline shaft and the sliding direction of the A sliding frame are consistent with the radial direction of the A4 bevel gear, and synchronous adjustment of the distance between the clamping openings in the clamping parts is adjusted through operating a distance adjusting operating rod on the A4 bevel gear.
The A2 adjusting rod which is concentric with the A4 bevel gear is arranged, the A2 adjusting rod is provided with a sliding nut seat which forms a screw-nut mechanism with the A2 adjusting rod, the A1 adjusting rod is provided with an A1 connecting seat which is rotatably assembled, the A1 connecting seat and the sliding nut seat are correspondingly arranged and are hinged with each other through an A2 connecting rod, two ends of the A2 adjusting rod are rotatably assembled on the left mounting disc and the right mounting disc, and the distance between the clamping part and the A2 adjusting rod is adjusted through rotating a radial adjusting operating wheel arranged on the A2 adjusting rod.
The spiral blade is clamped and fixed by arranging 3 clamping parts.
A left sleeve is arranged in the middle of a left mounting disc, an A1 mounting part is arranged at the end part of the left sleeve positioned at the inner side of the left mounting disc, a right sleeve is arranged in the middle of the right mounting disc, an A2 mounting part is arranged at the end part of the right sleeve positioned at the inner side of the right mounting disc, an A1 guide rod for guiding the sliding of a sliding nut seat is arranged between the A1 mounting part and the A2 mounting part, two supporting seats which are arranged at intervals are arranged on a walking trolley, limiting bayonets are respectively arranged at the upper ends of the two supporting seats, the two supporting seats are installed in a lifting way, clamping structures matched with the limiting bayonets are arranged on the left sleeve, the right sleeve and the middle part of an A2 adjusting rod, the leftmost supporting seat is firstly adjusted to be lowered to a low position when a helical blade is sleeved, the helical blade is sleeved on a clamping fixture between the leftmost supporting seat and the middle supporting seat, then the leftmost supporting seat is adjusted to the high position, and the middle supporting seat is adjusted to the low position, the pitch of the adjusting helical blade is consistent with the A helical line.
Compared with the prior art, the invention has the technical effects that:
according to the technical scheme provided by the invention, the clamping fixture can effectively and reliably clamp the helical blades with different sizes, and the helical blades and the steel cylinder are reliably welded by matching with corresponding welding requirements.
Drawings
FIG. 1 is a schematic structural view of a use state of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a view of the assembly of the adjustment assembly on the left mounting bracket;
FIG. 7 is a view of the assembly of the adjustment assembly on the right mounting bracket;
FIG. 8 is a view showing the assembly relationship between bevel gears A1-A4;
100-mounting section, 111-left mounting section, 112-right mounting section, 120-mounting sub-section, 200-clamping section, 211-clamping section, 220-A1 mounting bar, 221-A1 slide-mounting block, 222-A1 slide block, 223-A1 rack section, 230-A2 mounting bar, 231-A2 slide-mounting block, 240-A1 connecting bar, 251-A1 slide bracket, 252-A2 slide bracket, 310-pitch adjustment unit, 311-A1 adjustment bar, 312-A1 drive gear, 313-A1 bevel gear, 314-A2 bevel gear, 315-A3 bevel gear, 316-A spline shaft, 317-A4 bevel gear, 318-pitch adjustment lever, 320-radial adjustment unit, 321-A2 adjustment bar, 322-slide nut seat, 323-A2 connecting bar, 316-A2 connecting bar, 324-radial adjusting operation wheels, 330-walking trolleys, 331-supporting seats, 340-steel cylinders, 350-steel cylinder supporting devices, 360-welding devices and 370-guiding devices.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
As used herein, the terms "parallel," "perpendicular," and the like are not limited to their strict geometric definition, but include tolerances for machining or human error, reasonable and inconsistent.
The invention provides a clamping fixture for welding helical blades, which comprises a mounting part 100, clamping parts 200 and an adjusting mechanism, wherein the clamping parts 200 are arranged on the mounting part 100, the clamping parts 200 are arranged at intervals along the circumferential direction of the mounting part 100, clamping sub-parts are arranged on the clamping parts 200 at equal intervals, clamping openings for clamping the helical blades are formed in the clamping sub-parts, the clamping sub-parts at equal times on each clamping part 200 form a clamping unit for fixing a circle of helical blades, the clamping sub-parts on the same clamping unit are arranged in a helical line shape, each clamping part 200 is movably arranged on the mounting part 100, the adjusting mechanism comprises a radial adjusting unit 320, the clamping parts 200 are connected with the radial adjusting unit 320, and the radial adjusting unit 320 adjusts the distance between the clamping sub-parts on each clamping part 200 and the center of the mounting part 100. The spiral-shaped arrangement is realized through the clamping openings, so that the spiral blades are adjusted to be in the required postures, and the postures of the spiral blades are fixed through the clamping openings, so that when the spiral blades are welded with the steel cylinder 340, the spiral blades cannot deform in hairstyle, and the welding quality is ensured.
The specific scheme is as follows: a spacing adjustment unit 310 is further included, and the spacing adjustment unit 310 adjusts the spacing between the clamping subsections on the clamping part 200. The clamping sub-part is composed of two oppositely arranged clamping pieces 211, and the area between the two clamping pieces 211 forms the clamping opening. The clamping of the helical blades with different thicknesses is realized by adjusting the clamps between the clamping subparts, and the specific clamping piece 211 can adopt a circular rod body, so that the helical blades can be conveniently inserted into the clamping openings and the postures of the helical blades can be conveniently fixed. The mounting part 100 comprises a mounting frame body and mounting sub-parts 120 which are arranged along the circumferential direction of the mounting part 100 at intervals, each clamping part 200 is slidably mounted on each mounting sub-part 120 along the radial direction of the mounting part 100, and the radial adjusting unit 320 adjusts the sliding of each clamping part 200 to realize the adjustment of the distance between each clamping sub-part on each clamping part 200 and the center of the mounting part 100. The adjustment of the interval between the clamping parts 200 is to meet the clamping requirements of helical blades with different pitches, and the adaptability of the clamping fixture is improved.
Specifically, three sets of the mounting sub-portions 120 and the clamping portions may be provided, respectively, to reliably clamp and fix the helical blades. The radial adjusting unit 320 synchronously adjusts the distance between the clamping sub-parts on the three clamping part clamping parts 200 and the center of the mounting part 100, and the distance adjusting unit 310 synchronously adjusts the distance between the clamping sub-parts on the three clamping part clamping parts 200, so that the adjusting operation can be simplified, and one operator can adjust the clamping fixture to adapt to different welding requirements of the helical blades. The inlet of the clamping opening can be arranged in a V shape to guide the spiral blade to enter the clamping opening; at least one of the two holders 211 may be floatingly mounted in a direction of a space therebetween.
The invention also provides an adjusting mechanism which can be used for adjusting the posture of the clamp, as shown in fig. 1-6, the adjusting mechanism for clamping the clamp comprises a spacing adjusting unit 310 and a radial adjusting unit 320, a clamping part 200 comprises an A1 mounting rod 220 and an A2 mounting rod 230 which are arranged in parallel, the A1 mounting rod 220 is positioned at the outer side of the A2 mounting rod 230, A1 sliding mounting blocks 221 are arranged on the A1 mounting rod 220 at intervals, each clamping sub-part is respectively assembled on each A1 sliding mounting block 221, A2 sliding mounting blocks 231 are arranged on the A2 mounting rod 230 at intervals, the A1 and A2 sliding mounting blocks are respectively arranged along the length direction of the A1 mounting rod 220 at intervals, the adjacent A1 and A2 sliding mounting blocks are connected through an A1 connecting rod 240, two ends of the A1 connecting rod 240 are respectively assembled with the A1 and the A2 sliding mounting blocks through hinge shafts, the adjacent A1 are arranged in a V shape, the spacing adjustment unit 310 adjusts the spacing between the a1, a2 mounting bars 230, and the radial adjustment unit 320 adjusts the spacing between each a1 sliding mounting block 221 and the center of the mounting portion 100. By the radial adjusting unit 320 of the above-described structure, the synchronous adjustment of the intervals between the respective clamp sub-portions on the same clamp portion 200 can be achieved by operating the adjustment a1 mounting lever 220 and the adjustment a2 mounting lever 230.
The specific scheme is as follows: the grip 200 includes an a-carriage slidably installed in a radial direction of the mount 100, on which the a1, a2 mounting bar is fitted, and the radial adjusting unit 320 adjusts the a-carriage to slide. The A sliding frame comprises sliding brackets A1 and A2 which are arranged at intervals, two ends of the A1 and A2 mounting rods are assembled on the sliding brackets A1 and A2, the sliding brackets A1 and A2 are arranged perpendicular to the A1 and A2 mounting rods, the sliding brackets A1 and A2 are assembled with the mounting sub-portion 120 in a sliding mode, two ends of the A2 mounting rod 230 are assembled with the sliding brackets A1 and A2 in a sliding mode, and the A1 mounting rod 220 is adjusted to slide by the spacing adjusting unit 310. The distance adjusting unit 310 includes each distance adjusting portion and each distance adjusting driving portion arranged corresponding to each clamping portion 200, the distance adjusting driving portions are in transmission connection with each distance adjusting portion through a distance transmission portion, the distance adjusting portions are installed on the a sliding frames, the distance adjusting driving portions are installed on the installation frame body, and the distance transmission portions are assembled on the installation sub-portions 120. The structure is stable in adjustment and can meet the requirements of the pitch and the outer diameter of the spiral line for allocation.
The detailed scheme is as follows: the spacing adjustment part comprises an A1 adjustment rod 311 arranged in parallel with the A1 mounting rod 220, two ends of the A1 adjustment rod 311 are rotatably mounted on A1 and A2 sliding brackets, two ends of the A1 adjustment rod 311 are respectively provided with an A1 transmission gear 312, two ends of the A1 mounting rod 220 are provided with an A1 sliding block 222, two A1 sliding blocks 222 are respectively slidably mounted on the A1 and A2 sliding brackets, an A1 rack part 223 is arranged on the A1 sliding block 222, the A1 rack part 223 is in meshing transmission connection with the A1 transmission gear 312, the spacing transmission part comprises an A1, an A2 and an A3 bevel gear and an A spline shaft 316 arranged along the radial direction of the mounting part 100, the A spline shaft 316 is rotatably mounted on the mounting part 120, an A1 bevel gear 313 and the A2 bevel gear 314 are in meshing transmission connection and are both rotatably mounted on a movable seat of the A1, the A1 movable seat is fixedly connected with the A1 sliding bracket, the A1 is slidably mounted on one end of the adjustment rod 311, the A3 bevel gear 315 is fixedly mounted on the A1 spline shaft, and the A3 bevel gear 315 is connected with the spacing adjustment drive part. The spacing adjustment driving part comprises an A4 bevel gear 317, the A4 bevel gear 317 is in meshed transmission connection with the A3 bevel gear 315, the A4 bevel gear 317 is rotatably installed on the installation frame body, the clamping sub-parts are arranged at intervals along the circumferential direction of the A4 bevel gear 317, the A4 bevel gear 317 is provided with a spacing adjustment operating rod 318, and the installation frame body on the outer side of the A4 bevel gear 317 is provided with a locking part for locking the rotation of the A4 bevel gear 317. The radial adjusting unit 320 comprises outer diameter adjusting parts and outer diameter adjusting driving parts which are arranged corresponding to the clamping parts 200, the outer diameter adjusting driving parts are in transmission connection with the outer diameter adjusting parts respectively, the outer diameter adjusting parts comprise A1 connecting seats which are assembled on an A1 adjusting rod 311 in a rotating mode, the outer diameter adjusting driving parts comprise A2 adjusting rods 321, screw rod body sections are arranged on the A2 adjusting rods 321, sliding nut seats 322 matched with the screw rods to form screw rods and nuts are arranged on the screw rod body sections, A2 connecting rods 323 are arranged between the sliding nut seats 322 and the A1 connecting seats, and two ends of the A2 connecting rods 323 are hinged with the sliding nut seats 322 and the A1 connecting seats respectively through hinge shafts. The mounting bracket body comprises a left mounting bracket 111 and a right mounting bracket 112 which are arranged at intervals, an A4 bevel gear 317 is installed on the left mounting bracket 111, an A4 bevel gear 317 and an A2 adjusting rod 321 are concentrically arranged, two ends of the A2 adjusting rod 321 are rotatably installed on the left mounting bracket and the right mounting bracket, each mounting sub-bracket 120 comprises a left mounting sub-bracket and a right mounting sub-bracket, and the left mounting sub-bracket and the right mounting sub-bracket are respectively assembled on the left mounting bracket and the right mounting bracket. A guide rod A for sliding guide assembly with the sliding nut seat 322 is further arranged between the left mounting rack and the right mounting rack. Left side mounting bracket 111 includes left mounting disc, A4 bevel gear 317 rotates and installs on the outer quotation of left mounting disc, the middle part of left mounting disc is provided with left sleeve pipe, the tip that left sleeve pipe is located left mounting disc inboard is provided with the A1 installed part, right side mounting bracket 112 includes right mounting disc, the middle part of right mounting disc is provided with right sleeve pipe, the tip that right sleeve pipe is located right mounting disc inboard is provided with the A2 installed part, the both ends of A guide arm are fixed at A1, on the A2 installed part, the both ends rotation of A2 regulation pole 321 is installed on a left side, right side sleeve pipe is intraductal, the tip that A2 regulation pole 321 extends to the left sleeve pipe outside sets up radial regulation operation wheel 324.
The walking trolley comprises a walking trolley 330 and is characterized by further comprising two supporting seats 331 arranged at intervals, limiting bayonets are respectively arranged at the upper ends of the two supporting seats 331, the two supporting seats are installed in a lifting mode, clamping structures matched with the limiting bayonets are arranged on the left sleeve pipe, the right sleeve pipe and the middle portion of the A2 adjusting rod 321, and the two supporting seats 331 are respectively installed on the walking trolley 330 at intervals along the length direction of the A2 adjusting rod 321. Therefore, the spiral blade can be clamped on the clamping fixture conveniently.
The method for positioning and clamping the helical blade by adopting the clamping fixture comprises the steps of sleeving the helical blade on the clamping fixture, adjusting the pitch of the helical blade to be consistent with a preset value, adjusting each clamping opening on the clamping fixture to clamp the helical blade, wherein the clamping openings are arranged in an A helical line shape, and the shape of the A helical line is consistent with that of the helical blade after the pitch is adjusted.
The detailed scheme is as follows: the spiral blade is sleeved on the clamping fixture, the center line of the spiral blade is arranged in a transverse shape, the clamping opening is movably arranged along the radial direction of the A spiral line, and the clamping opening is adjusted to be closer to the center of the A spiral line before the spiral blade is sleeved; after the pitch of the helical blade is adjusted, the clamping opening is adjusted to move outwards along the radial direction of the helical line A, so that the helical blade is reliably clamped and fixed; the method for adjusting the pitch of the A spiral line comprises the following steps: divide into each clamping part 200 with the centre gripping mouth along the circumference of A helix, each centre gripping mouth is arranged along the direction of height of A helix equidistant on every clamping part 200, and the centre gripping unit that carries out the centre gripping location to a round helical blade is constituteed to the centre gripping mouth of corresponding position/number of times on each clamping part 200, can adjust the pitch of A helix through the interval of adjusting the centre gripping mouth on each part. The method for adjusting the external diameter of the A spiral line comprises the following steps: the outer diameter of the a-helix can be adjusted by adjusting the distance between each clamping portion 200 and the a-helix. The clamping components forming clamping openings on the same clamping part 200 are respectively assembled on an A1 sliding installation block 221, the A1 sliding installation block 221 is assembled on an A1 installation rod 220 in a sliding mode at equal intervals, an A2 installation rod 230 arranged in parallel with the A1 installation rod 220 is arranged beside the A1 installation rod 220, an A2 sliding installation block 231 is assembled on an A2 installation rod 230 at equal intervals, adjacent A1 and A2 sliding installation blocks are hinged and connected through an A1 connecting rod 240, adjacent A1 connecting rods 240 are arranged in a V shape, and the pitch of an A spiral line is adjusted by adjusting the interval between the A1 installation rod and the A2 installation rod. A1 and A2 are arranged on the A sliding frame, and the outer diameter of the A spiral line is adjusted by adjusting the distance between the A sliding frame and the center of the A spiral line.
The clamping fixture is provided with a left mounting rack and a right mounting rack, the left mounting rack 111 is arranged to be composed of a left mounting disk and a left mounting sub-bracket arranged at intervals along the circumferential direction of the left mounting disk, the right mounting rack 112 is arranged to be composed of a right mounting disk and a right mounting sub-bracket arranged at intervals along the circumferential direction of the right mounting disk, two ends of an A sliding rack are slidably arranged on the left mounting sub-bracket and the right mounting sub-bracket, the A sliding rack is also provided with an A1 adjusting rod 311 parallel to the A1 mounting rod 220, the A1 adjusting rod 311 is provided with an A1 transmission gear 312, two ends of the A2 adjusting rod 321 are respectively provided with an A1 sliding block 222, the A1 sliding block 222 is slidably arranged on the A sliding rack, the A1 is provided with an A1 rack portion 223, the A1 rack portion 223 is meshed with the A1 transmission gear 312 and is connected with the A1 sliding seat, the A1 sliding seat is rotatably arranged on the left mounting sub-bracket, and the A1 sliding seat is fixedly connected with the A sliding rack, a1 sliding seat is rotatably provided with engaged A1 and A2 bevel gears, A1 bevel gear 313 is assembled on A1 adjusting rod 311, A2 bevel gear 314 is assembled on A spline shaft 316 in a sliding way, A3 bevel gear 315 is also assembled on A spline shaft 316, A4 bevel gear 317 is rotatably installed on the left mounting plate, A3 and A4 bevel gears are in engaged transmission connection, the length direction of A spline shaft 316 and the sliding direction of A sliding frame are consistent with the radial direction of A4 bevel gear 317, and synchronous adjustment of the clamping opening distance of each clamping part 200 is adjusted by operating the distance adjusting operating rod 318 on A4 bevel gear 317.
An A2 adjusting rod 321 which is arranged concentrically with an A4 bevel gear 317 is arranged, a sliding nut seat 322 which forms a screw-nut mechanism with the A2 adjusting rod 321 is arranged on the A3526 adjusting rod, an A1 connecting seat which is rotatably assembled is arranged on the A1 adjusting rod 311, an A1 connecting seat and the sliding nut seat 322 are correspondingly arranged and are hinged through an A2 connecting rod 323, two ends of the A2 adjusting rod 321 are rotatably assembled on a left mounting disc and a right mounting disc, and the distance between the clamping part 200 and the A2 adjusting rod 321 is adjusted by rotating a radial adjusting operating wheel 324 arranged on the A2 adjusting rod 321.
The spiral blade is clamped and fixed by arranging 3 clamping parts 200.
Through being provided with left sleeve pipe in the middle part of left mounting disc, the tip that left sleeve pipe is located left mounting disc inboard is provided with A1 installed part, and the middle part of right mounting disc is provided with right sleeve pipe, and the tip that right sleeve pipe is located right mounting disc inboard is provided with A2 installed part. In addition, an A1 guide rod for guiding the sliding of the sliding nut seat 322 can be arranged between the A1 and A2 installation pieces, so that the stability is improved. Whole clamping device rotates the assembly on walking dolly 330, through set up two supporting seats 331 of two interval arrangements on walking dolly 330, the upper end of two supporting seats 331 is provided with spacing bayonet respectively, two are propped the equal over-and-under type installation of seat, left and right sleeve pipe is gone up and the middle part of A2 regulation pole 321 sets up the joint structure with spacing bayonet matched with, adjust leftmost supporting seat 331 earlier when the cover is established helical blade and descend to the low level, establish helical blade cover on the clamp equipment anchor clamps between leftmost supporting seat 331 and middle supporting seat 331, then adjust leftmost support to the high level, the supporting seat 331 at middle part is adjusted to the low level, the pitch and the A helix at regulation helical blade keep unanimous.
According to the technical scheme provided by the invention, the clamping requirements of the helical blades with different sizes can be effectively met, the clamping fixture is convenient to adjust and operate, the clamping can be finished by one person, and the labor intensity is low.
The step of adopting the clamping device to weld and assemble the helical blade comprises the steps of assembling a steel cylinder on a steel cylinder 340 fixing device, then starting a walking trolley 330 to stretch the clamping device into the steel cylinder 340, simultaneously starting a supporting seat 331 to retract in sequence, starting a guiding device 370 to guide the clamping device, starting a welding device 360 to perform spot welding temporary fixation after the helical blade is completely in place, then withdrawing the clamping device and the guiding device 370, and then adopting the welding device 360 to perform helical welding so as to completely weld the clamping device and the guiding device.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (5)
1. A method for positioning and clamping a spiral blade is characterized by comprising the following steps: the method comprises the steps that a spiral blade is entirely sleeved on a clamping fixture, the pitch of the spiral blade is adjusted to be consistent with a preset value, clamping ports on the clamping fixture are adjusted to clamp the spiral blade, the clamping ports are arranged in an A spiral line shape, and the shape of the A spiral line is consistent with that of the spiral blade after the pitch is adjusted;
the spiral blade is sleeved on the clamping fixture, and the center line of the spiral blade is arranged transversely;
the clamping opening is movably installed along the radial direction of the spiral line A, the clamping opening is adjusted to be closer to the center of the spiral line A before the spiral blade is sleeved, and after the screw pitch of the spiral blade is adjusted, the clamping opening is adjusted to move outwards along the radial direction of the spiral line A, so that the spiral blade is reliably clamped and fixed;
the method for adjusting the pitch of the A spiral line comprises the following steps: the clamping ports are divided into the clamping parts along the circumferential direction of the spiral line A, the clamping ports on each clamping part are arranged at equal intervals along the height direction of the spiral line A, the clamping ports at corresponding positions on each clamping part form clamping units for clamping and positioning a circle of helical blades, and the pitch of the spiral line A can be adjusted by adjusting the intervals of the clamping ports on each part;
the method for adjusting the external diameter of the A spiral line comprises the following steps: the outer diameter of the A spiral line can be adjusted by adjusting the distance between each clamping part and the A spiral line;
clamping components with clamping openings formed in the same clamping portion are respectively assembled on an A1 sliding installation block, an A1 sliding installation block is assembled on an A1 installation rod in an equally-spaced sliding mode, an A2 installation rod arranged in parallel with the A1 installation rod is arranged beside the A1 installation rod, an A2 sliding installation block is arranged on an A2 installation rod in an equally-spaced sliding mode, adjacent A1 and A2 sliding installation blocks are hinged and connected through an A1 connection rod, adjacent A1 connection rods are arranged in a V shape, and the thread pitch of an A spiral line is adjusted by adjusting the space between the A1 installation rod and the A2 installation rod.
2. The method for positioning and clamping the spiral blade as claimed in claim 1, wherein: a1 and A2 are arranged on the A sliding frame, and the outer diameter of the A spiral line is adjusted by adjusting the distance between the A sliding frame and the center of the A spiral line.
3. The method for positioning and clamping the spiral blade as claimed in claim 2, wherein: the clamping fixture is provided with a left mounting rack and a right mounting rack, the left mounting rack is arranged to be composed of a left mounting disc and a left mounting sub-support arranged at intervals along the circumferential direction of the left mounting disc, the right mounting rack is arranged to be composed of a right mounting disc and a right mounting sub-support arranged at intervals along the circumferential direction of the right mounting disc, two ends of an A sliding frame are slidably mounted on the left mounting sub-support and the right mounting sub-support, an A1 adjusting rod parallel to the A1 mounting rod is further mounted on the A sliding frame, an A1 adjusting rod is provided with an A1 transmission gear, two ends of the A2 adjusting rod are respectively provided with an A1 sliding block, the A1 sliding block is slidably mounted on the A sliding frame, an A1 rack is arranged on the A1 sliding block, an A1 rack is meshed with the A1 transmission gear in a transmission connection, a spline shaft and a movably mounted A1 movable seat are rotatably mounted on the left mounting rack, an A1 movable seat is fixedly connected with the A sliding frame, an A1 movable seat is rotatably mounted with an A1 movable seat, The A2 bevel gear, the A1 bevel gear is assembled on the A1 adjusting rod, the A2 bevel gear is assembled on the A spline shaft in a sliding mode, the A spline shaft is further assembled with the A3 bevel gear, the A4 bevel gear is rotatably installed on the left installation disc, the A3 bevel gear and the A4 bevel gear are in meshing transmission connection, the length direction of the A spline shaft and the sliding direction of the A sliding frame are consistent with the radial direction of the A4 bevel gear, and synchronous adjustment of the distance between the clamping openings in the clamping parts is adjusted through operating a distance adjusting operating rod on the A4 bevel gear.
4. The method for positioning and clamping the spiral blade as claimed in claim 3, wherein: the A2 adjusting rod which is concentric with the A4 bevel gear is arranged, the A2 adjusting rod is provided with a sliding nut seat which forms a screw-nut mechanism with the A2 adjusting rod, the A1 adjusting rod is provided with an A1 connecting seat which is rotatably assembled, the A1 connecting seat and the sliding nut seat are correspondingly arranged and are hinged with each other through an A2 connecting rod, two ends of the A2 adjusting rod are rotatably assembled on the left mounting disc and the right mounting disc, and the distance between the clamping part and the A2 adjusting rod is adjusted through rotating a radial adjusting operating wheel arranged on the A2 adjusting rod.
5. The method for positioning and clamping the spiral blade as claimed in claim 4, wherein: 3 clamping parts are arranged to clamp and fix the spiral blade; a left sleeve is arranged in the middle of a left mounting disc, an A1 mounting part is arranged at the end part of the left sleeve positioned at the inner side of the left mounting disc, a right sleeve is arranged in the middle of the right mounting disc, an A2 mounting part is arranged at the end part of the right sleeve positioned at the inner side of the right mounting disc, an A1 guide rod for guiding the sliding of a sliding nut seat is arranged between the A1 mounting part and the A2 mounting part, two supporting seats which are arranged at intervals are arranged on a walking trolley, limiting bayonets are respectively arranged at the upper ends of the two supporting seats, the two supporting seats are installed in a lifting way, clamping structures matched with the limiting bayonets are arranged on the left sleeve, the right sleeve and the middle part of an A2 adjusting rod, the leftmost supporting seat is firstly adjusted to be lowered to a low position when a helical blade is sleeved, the helical blade is sleeved on a clamping fixture between the leftmost supporting seat and the middle supporting seat, then the leftmost supporting seat is adjusted to the high position, and the middle supporting seat is adjusted to the low position, the pitch of the adjusting helical blade is consistent with the A helical line.
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| CN202011200151.3A CN112276399B (en) | 2020-11-02 | 2020-11-02 | Method for positioning and clamping spiral blade |
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| CN202011200151.3A CN112276399B (en) | 2020-11-02 | 2020-11-02 | Method for positioning and clamping spiral blade |
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| CN112276399B true CN112276399B (en) | 2022-02-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112372188B (en) * | 2020-11-10 | 2023-06-30 | 岳西十行机械设备有限公司 | Method for welding helical blade on circular inner cylinder wall |
| CN114260636A (en) * | 2021-11-26 | 2022-04-01 | 达州市三译智能设备有限公司 | Positioner for welding helical blade |
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