CN113001139B - Automatic assembly equipment for long and short bent pipes of heat exchanger - Google Patents
Automatic assembly equipment for long and short bent pipes of heat exchanger Download PDFInfo
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- CN113001139B CN113001139B CN202110262827.XA CN202110262827A CN113001139B CN 113001139 B CN113001139 B CN 113001139B CN 202110262827 A CN202110262827 A CN 202110262827A CN 113001139 B CN113001139 B CN 113001139B
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- 238000005452 bending Methods 0.000 claims description 47
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims 19
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 11
- 235000002991 Coptis groenlandica Nutrition 0.000 description 2
- 244000247747 Coptis groenlandica Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides automatic assembly equipment for long and short bent pipes of a heat exchanger, which relates to the technical field of heat exchanger manufacturing, and comprises a frame type rack formed by a connecting plate, a front supporting plate and a rear supporting plate, wherein a heat exchanger conveying line passes through the middle of the bottoms of the front supporting plate and the rear supporting plate; the lifting slide rail is arranged on a side plate of the heat exchanger conveying line between the front support plate and the rear support plate, and a horizontal support plate is arranged at the upper end of the slide rail; a long bent pipe orifice clamping plate and a long bent pipe orifice positioning nail are sequentially connected between the front supporting plate and the rear supporting plate, wherein the long bent pipe orifice clamping plate and the long bent pipe orifice positioning nail are vertical to the supporting plate upwards; the long sides of the front support plate and the rear support plate are respectively provided with a horizontal slide rail, a short bent pipe mouth positioning lifting assembly provided with two sets of vertical slide rails is bridged on the horizontal slide rails, and the bottoms of the vertical slide rails are provided with short bent pipe mouth clamping plates; short return bend mouth location lifting unit below, the short curved transfer chain of heat exchanger transfer chain both sides pass respectively or stride across the front and back backup pad, and short curved transfer chain is connected to the slide lower extreme that directly shakes, and the storage vibration dish is connected to the upper end. The automatic assembly equipment for the long and short bent pipes has high assembly efficiency.
Description
Technical Field
The invention relates to the technical field of heat exchanger manufacturing, in particular to automatic assembly equipment for long and short bent pipes of a heat exchanger.
Background
The assembly of the long bent pipe and the short bent pipe of the heat exchanger is currently manual assembly, 3-5 persons are needed in one production line, and the long bent pipe and the short bent pipe of the heat exchanger are automatically assembled, so that the automatic operation of heat exchanger production is realized.
The chinese patent document with application number of cn201210575587.X discloses an automatic radiator elbow mounting device, which comprises an oil pump, a bracket, a production line conveyor belt, a first discharging box and a second discharging box, and specifically comprises the following structures: the first discharging box and the second discharging box are connected with the bracket in a sliding way through a sliding rail, and are connected with an oil pump through a reversing valve; the bottoms of the first discharging box and the second discharging box are respectively provided with a guide opening, and the guide openings are opposite to the transmission belt which is put down by the bracket; an oil cylinder for supporting the radiator is arranged below the conveyor belt and is connected with the oil pump.
According to the technical scheme provided by the patent document, a radiator to be provided with the bent pipe is placed on a production line, when the radiator moves to the upper side of the oil cylinder, the oil cylinder supports the radiator, the upper side of the radiator is aligned with a guide opening at the lower part of the first discharging box, a small elbow in the first discharging box is firstly installed, a reversing valve is used for reversing after the installation, and a second discharging box slides to the upper side of the radiator and then installs a large elbow in the radiator.
The technical scheme provided by the patent literature is as follows: the oil cylinder supports the radiator, the large elbow pipe orifice of the radiator cannot be positioned, and in addition, the small elbow pipe orifices assembled from the first discharging hopper and the second discharging hopper guide ports cannot be positioned orderly, so that the small elbow pipe orifices assembled together cannot be coaxial with the large elbow pipe orifice of the heat exchanger, and the small elbows cannot be assembled into the large elbows.
The key to be solved by the technical scheme provided by the patent document is as follows: the small elbow pipe orifices must be accurately grasped in batches, and simultaneously the large elbow pipe orifices of the radiator are accurately grasped, so that the large elbow pipe orifices of the radiator and the small elbow pipe orifices correspond to each other one by one, and the automatic assembly of the small elbows and the large bends of the radiator is carried out.
Disclosure of Invention
The invention aims to provide automatic assembly equipment between a long bent pipe and a short bent pipe of a heat exchanger so as to solve the problems.
The invention is realized in the following way:
the automatic assembly equipment for the long and short bent pipes of the heat exchanger comprises an equipment rack, a short bent pipe storage hopper, a heat exchanger conveying line and a heat exchanger lifting slide rail, and is characterized in that the equipment rack is a frame type rack formed by connecting front and rear support plates by connecting plates, and the heat exchanger conveying line passes through the middle of the bottoms of the front and rear support plates; the heat exchanger lifting slide rail is arranged on a side plate of the heat exchanger conveying line between the front support plate and the rear support plate, and the upper end of the slide rail is connected with a horizontal support plate; a long bent pipe orifice clamping plate and a single-row or double-row long bent pipe orifice positioning nail capable of moving vertically and horizontally are sequentially connected between the front support plate and the rear support plate; the long sides of the top parts of the front support plate and the rear support plate are respectively provided with a horizontal slide rail, a short bent pipe mouth positioning lifting assembly provided with two sets of vertical slide rails is bridged on the horizontal slide rails, and a short bent pipe mouth clamping plate is arranged at the bottom of each set of vertical slide rails and perpendicular to the conveying line; short return bend mouth location lifting unit below, the short curved transfer chain of heat exchanger transfer chain both sides pass respectively or stride across the front and back backup pad, and short curved transfer chain is connected to the slide lower extreme that directly shakes, and the storage vibration dish is connected to the upper end.
The short pipe bending port positioning lifting assembly transversely bridges the horizontal sliding rail, and the short pipe bending port positioning lifting assembly circularly reciprocates along the whole of the horizontal sliding rail and independently lifts and lowers the short pipe bending port clamping plate along the vertical sliding rail, and is driven by a servo motor in a positioning way.
Preferably, the short elbow positioning lifting assembly is at least composed of a vertical sliding rail and a short elbow clamping plate, wherein the vertical sliding rail comprises a left vertical sliding rail and a right vertical sliding rail, the short elbow clamping plate comprises a left short elbow clamping plate and a right short elbow clamping plate, the left short elbow clamping plate is arranged on the left vertical sliding rail, the left short elbow clamping plate is lifted on the left vertical sliding rail, the right short elbow clamping plate is arranged on the right vertical sliding rail, the left short elbow clamping plate and the right short elbow clamping plate are lifted on the right vertical sliding rail, and the left short elbow clamping plate and the right short elbow clamping plate are lifted independently and do not interfere with each other.
In addition, the two groups of short elbow clamping plates have at least three stay positions on the horizontal sliding rail, namely two ends of the horizontal sliding rail and the middle position of the horizontal sliding rail respectively, when the left short elbow clamping plate is stopped at the left end of the horizontal sliding rail, the right short elbow clamping plate is positioned at the middle position of the horizontal sliding rail, when the right short elbow clamping plate is stopped at the right end of the horizontal sliding rail, the left short elbow clamping plate is positioned at the middle position of the horizontal sliding rail, the two groups of short elbow clamping plates move back and forth along the horizontal sliding rail together, and the stay positions are circularly rotated at the two ends of the horizontal sliding rail and the middle three positions of the horizontal sliding rail;
the two ends of the horizontal sliding rail are respectively positioned right above the two short bend conveying lines, the two groups of short bend port clamping plates respectively clamp the short bends arranged on the short bend conveying lines at the positions, the middle stay position of the horizontal sliding rail is positioned right above the long bend port clamping plates of the long bend heat exchanger, the two groups of short bend port clamping plates are public and stay positions in turn, and the short bends clamped from the short bend conveying lines are inserted into the long bend ports of the heat exchanger right below by falling in a wheel flow at the positions.
As the preference of short return bend mouth grip block, every group short return bend mouth grip block divide into left and right two parts, and two parts centre gripping are the wave, and the circular arc on the wave form crest of grip block is the circular arc of equal diameter unequal arc length that the direction is the same with the circular arc on the adjacent trough, when the grip block presss from both sides about the short return bend mouth, left (right) grip block crest circular arc and right (left) grip block trough circular arc meshing are coaxial whole circle, and whole circle size is in order to press from both sides tight short return bend mouth, and the coaxial whole circle after the clamp engagement presss from both sides tight short return bend mouth, accomplishes the mouth positioning and the plastic to the short return bend, all engaged whole circle centre of a circle, according to heat exchanger long return bend mouth position divide into two and arrange, after the short return bend mouth grip block presss from both sides tightly, two rows of alternately adjacent public tangent lines of meshing circle are connected tangentially with crest circular arc and trough, divide into short return bend locating grip block and short return bend left grip block and short return bend right grip block, presss from both sides tight and loosens by the cylinder drive.
As the preference of long return bend mouth grip block, long return bend mouth grip block divide into left and right sides two parts, and two parts centre gripping are the wave, and the circular arc on the wave form crest of grip block is the circular arc of equal diameter unequal arc length that the direction is the same with the circular arc on the adjacent trough, when the grip block presss from both sides about the short return bend mouth, left (right) grip block crest circular arc and right (left) grip block trough circular arc meshing are coaxial whole circle, and whole circle size is with the copper pipe of clamp long return bend mouth root portion as the standard, and the coaxial whole circle clamp long return bend mouth root after clamping engagement, accomplishes the pipe location and the plastic to long return bend, whole circle centre of a circle of all meshing divides two to be listed as according to heat exchanger long return bend mouth position, after the long return bend mouth grip block presss from both sides tightly, two rows of public tangent lines of adjacent meshing circle in turn, with crest circular arc and circular arc connection tangent, clamp release is driven by the cylinder.
Further, the heat exchanger lifting slide rail is driven by a servo motor, a horizontal support plate at the upper end of the slide rail is lifted to support a heat exchanger workpiece on a heat exchanger conveying line, and a long bent pipe opening positioning nail horizontally extends to the position right above the long bent pipe opening and is inserted into the long bent pipe opening on the lifted heat exchanger workpiece to position the long bent pipe opening of the heat exchanger.
Further, the long pipe bending port clamping plate is driven by the air cylinder to clamp the long pipe bending port on the supported heat exchanger workpiece.
Further, the long elbow locating nail for the heat exchanger completes locating the long elbow of the heat exchanger, the locating nail cylinder is retracted and ascended, then the cylinder drives the cylinder to horizontally move and retreats, a space is reserved, the short elbow clamping plate staying at the middle position of the horizontal sliding rail descends along the vertical sliding rail on the short elbow locating lifting assembly under the driving of the servo motor, the short elbow clamping plate connected to the vertical sliding rail clamps the clamped short elbow, and the short elbow clamped by the long elbow clamping plate is accurately inserted into the long elbow.
Further, the clamping plate of the long elbow pipe opening is loosened, the horizontal supporting plate descends, and the heat exchanger workpiece with the short elbow inserted on the long elbow pipe opening is put back into the heat exchanger conveying line to be conveyed away.
Preferably, the outer diameter of the heat exchanger long elbow positioning nail is set according to the inner diameter of the bottom pipe orifice of the heat exchanger, so that the heat exchanger long elbow positioning nail can smoothly enter the heat exchanger long elbow to be positioned, the heat exchanger long elbow positioning nail is set into one row or two rows according to the heat exchanger long elbow orifice, and the number of each row can be several or more.
In addition, driven rollers of the short-bending conveying line are respectively connected with the lower ends of the corresponding direct vibration slide ways.
As the preference of the short-curve conveying line, two sides of the short-curve conveying belt are provided with short-curve guide guardrails. The elbow guide guardrail can be round or rectangular, has a round outer diameter or a rectangular height, and is smooth in surface, and the elbow guide guardrail is clamped by the short-bend clamping plate without interference.
As the preference of the short-bend conveyer belt, a short-bend pipe mouth positioning nail is arranged on one circle of the short-bend conveyer belt, at least one row or two rows of positioning nails are arranged in the width direction of the short-bend conveyer belt, the positioning nails are arranged in a shape of a Chinese character 'Yi' or 'Yi', one short-bend pipe mouth positioning nail is used for positioning one pipe mouth of the short-bend, the short-bends are orderly arranged into one row or two rows on each short-bend conveyer belt, and the short-bend pipe mouth positioning nails are arranged along the center distance of the conveyer belt in the circumferential direction according to the center distance of the long-bend pipe mouth of the heat exchanger.
Further, the short bent pipes stored in the short bent storage vibration disc vibrate through the short bent storage vibration disc, enter the straight vibration slideway vibration arrangement with straight inclination, sequentially move downwards through vibration, enable the pipe orifice of each short bent pipe to slide down first, be hung by the locating nail on the short bent conveying belt, follow the short bent conveying belt to move upwards in a linear mode through circular motion, enable the locating nail on the rear adjacent short bent pipe orifice to continuously hang the short bent pipe on the straight vibration slideway on the short bent conveying belt in the same mode, move along with the short bent conveying belt, and wait for the short bent pipe orifice clamping plate to descend and clamp.
Preferably, the arranged elbows can be one row or two rows, and the number of the clamping elbows corresponds to the number of the pipe orifices of the elbows required to be inserted into the heat exchanger.
Preferably, round or rectangular elbow guide rods are arranged on two sides of the direct vibration slideway, the section of each guide rod can be round or rectangular, the surface of each guide rod is smooth, and the elbow can conveniently move downwards on the direct vibration slideway.
The beneficial effects of the invention are as follows:
(1) According to the short bent pipe conveying line, short bent pipes of the short bent storage vibration disc are conveyed to the direct vibration slideway continuously and orderly, and then are orderly arranged into one row or two rows on the short bent conveying belt, and the arrangement positions of the short bent pipes are accurate;
(2) Arranging two short-bend conveying belts, and matching with each self-arranged direct vibration slideway and a storage vibration disc, so that two groups of short-bend pipe mouth clamping plates can continuously clamp arranged short bends on the corresponding two short-bend conveying lines;
(3) The short bending clamping lifting assembly is arranged, two groups of short bending pipe mouth clamping plates on the short bending clamping lifting assembly are used for independently clamping short bending pipes on a short bending conveying line, the clamped short bending pipes are lifted and lowered at the middle position of the horizontal sliding rail, namely, the middle position of the short bending pipe mouth positioning nail or the positioned long bending pipe mouth of the heat exchanger, and the short bending pipe mouth clamping plates are inserted into the long bending pipe mouth of the heat exchanger, so that the heat exchanger is accurately and quickly assembled;
(4) Arranging a heat exchanger pipe orifice positioning nail to accurately position a long elbow pipe orifice of the heat exchanger;
(5) The left clamping surface and the right clamping surface of the short pipe bending port clamping plate and the long pipe bending port clamping plate are arranged to be wavy, are similar to the meshing of wave crest and wave trough, can accurately clamp the bent pipe, cannot cause clamping of a pipe orifice, and simultaneously has a shaping effect on the short pipe bending port and the long pipe bending port of the heat exchanger;
(6) The invention realizes the automation of the assembly of the long and short bent pipes of the heat exchanger, replaces the manual assembly of 3-5 persons, has high efficiency and lower cost than the manual assembly.
Drawings
Fig. 1 is a schematic structural view showing an automatic assembly device for long and short bends of a heat exchanger according to embodiment 1 of the present invention;
FIG. 2 shows a right side view of FIG. 1;
fig. 3 shows a front view of fig. 1;
fig. 4 to 9 are schematic structural views showing an automatic assembly device for long and short bent pipes of a heat exchanger according to embodiment 2 of the present invention;
FIG. 4 is a front view showing a heat exchanger long bend pipe clamped according to embodiment 2 of the present invention;
FIG. 5 shows a top view of FIG. 4;
FIG. 6 is a front view showing a short bend pipe clamped according to embodiment 2 of the present invention;
FIG. 7 shows a top view of FIG. 6;
FIG. 8 is a front view showing a short bend provided in embodiment 2 of the present invention after being inserted into a long bend of a heat exchanger;
fig. 9 shows a top view of fig. 8.
Wherein, the reference numerals of fig. 1 to 9 are:
a frame 100; a connection plate 101; a front support plate 102; a rear support plate 103; a long elbow locating pin 201; a vertical slide rail 202; left vertical slide rail 208; a right vertical slide rail 209; a short elbow clamping plate 203; left short elbow clamping plate 206; a right short elbow clamp plate 207; a left servo motor 204; a right servomotor 205; a horizontal slide rail 300; a translation servo motor 301; a long elbow left clamping plate 401; a long elbow right clamping plate 402; a heat exchanger lifting slide rail 500; a horizontal pallet 501; a heat exchanger transfer line 600; a heat exchanger transfer line motor 601; a heat exchanger work piece 700; a heat exchanger long elbow nozzle 701; a short bend transfer line 801; a storage vibratory pan 802; a direct vibration slideway 803; a short elbow 804; a short bend conveyor 805; short elbow locating pegs 80.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "lateral," "upper," "top," "lower," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "two sets," "assemblies" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1, see fig. 1, fig. 2 and fig. 3.
The embodiment provides an automatic assembly equipment of heat exchanger length return bend, includes: the frame 100 is constituted by a frame 100, a connection plate 101, a front support plate 102, and a rear support plate 103, wherein the connection plate 101 connects the front support plate 102 and the rear support plate 103.
The heat exchanger transfer line 600 passes through the bottom of the front support plate 102 and the rear support plate 103 at the very middle thereof; the heat exchanger lifting slide rail 500 is arranged on a side plate of the heat exchanger conveying line 600 between the front supporting plate 102 and the rear supporting plate 103, and the upper end of the heat exchanger lifting slide rail 500 is connected with a horizontal supporting plate 501; a long-bending-pipe-opening left (right) clamping plate 401 (402) and a single-row or double-row long-bending-pipe-opening positioning nail 201 which can vertically and horizontally move are sequentially connected between the front supporting plate 102 and the rear supporting plate 103 and are vertical to the horizontal supporting plate 501 upwards; the long edges of the tops of the front supporting plate 102 and the rear supporting plate 103 are respectively provided with a horizontal sliding rail 300, a short-elbow positioning lifting assembly 200 provided with two sets of vertical sliding rails 202 is connected with the horizontal sliding rails 300 in a bridging manner, and a short-elbow clamping plate 203 is arranged at the bottom of each set of vertical sliding rails 202 parallel to the heat exchanger conveying line 600; short bend pipe mouth positioning lifting assembly 200 below, the short bend transfer chain 801 of heat exchanger transfer chain 600 both sides pass respectively or stride across preceding backup pad 102 and back backup pad 103, and short bend transfer chain 801 is connected to the straight slide 803 lower extreme, and storage vibration dish 802 is connected to the upper end.
The short-tube bending port positioning lifting assembly 200 is composed of a vertical sliding rail 202 and a short-tube bending port clamping plate 203, wherein the vertical sliding rail 202 comprises a left vertical sliding rail 208 and a right vertical sliding rail 209, the short-tube bending port clamping plate 203 comprises a left short-tube bending port clamping plate 206 and a right short-tube bending port clamping plate 207, the left short-tube bending port clamping plate 206 is installed on the left vertical sliding rail 208, the left short-tube bending port clamping plate is lifted on the left vertical sliding rail, the right short-tube bending port clamping plate 207 is installed on the right vertical sliding rail 209, and the left short-tube bending port clamping plate and the right short-tube bending port clamping plate are lifted on the right vertical sliding rail 209 independently and do not interfere with each other.
The left short elbow clamping plate 206 and the right short elbow clamping plate 207 have at least three stay positions on the horizontal sliding rail 300, which are respectively the two ends of the horizontal sliding rail 300 and the middle position of the horizontal sliding rail 300, when the left short elbow clamping plate 206 is stopped at the left end of the horizontal sliding rail, the right short elbow clamping plate 207 is positioned at the middle position of the horizontal sliding rail, when the right short elbow clamping plate 207 is stopped at the right end of the horizontal sliding rail, the left short elbow clamping plate 206 is positioned at the middle position of the horizontal sliding rail, the two groups of short elbow clamping plates 203 move back and forth along the horizontal sliding rail 300 together, and the stay positions also circulate back and forth along the three positions between the two ends of the horizontal sliding rail 300 and the middle position of the horizontal sliding rail 300.
The two ends of the horizontal slide rail 300 are respectively positioned right above the two short-bend conveying lines 805, and the two groups of short-bend opening clamping plates 203 respectively clamp the short bends 804 arranged on the short-bend conveying belts 805 in the two positions in a descending manner; the middle stop position of the horizontal slide rail 300, which is located right above the long elbow pipe mouth 701 of the heat exchanger clamped by the long elbow pipe mouth left clamping plate 402 and the left clamping plate 401, is the common and alternate stop position of the two groups of short elbow pipe mouth clamping plates 203, and the short elbow pipe 804 clamped on the short elbow conveying belt 805 is inserted into the pipe mouth of the long elbow pipe 701 of the heat exchanger right below by the wheel flow descending at the position.
The left short elbow clamping plate 206 and the right short elbow clamping plate 207 are respectively divided into a left part and a right part, the two parts are clamped to form a wave shape, the circular arcs on wave-shaped wave peaks and the circular arcs on adjacent wave troughs are equal-diameter circular arcs with unequal arc lengths, when the left part and the right part are clamped, the circular arcs on the wave peaks and the circular arcs on the wave troughs on the right part are meshed to form coaxial whole circles, the whole circles are in size with the pipe orifice of the clamped short elbow 804, the pipe orifice of the clamped and meshed coaxial whole circles clamp the pipe orifice of the short elbow 804, positioning and shaping of the pipe orifice of the short elbow 804 are completed, the circle centers of all the meshed whole circles are arranged in two rows according to the positions of the long elbow orifice 701 of the heat exchanger, the two rows of common tangent lines of alternately adjacent meshed circles are connected and tangent with the wave peak circular arcs and the wave trough circular arcs, and the clamping release of the left short elbow clamping plate 206 and the right short elbow clamping plate 207 is driven by a cylinder.
The left clamping plate 401 of the long bending pipe mouth and the right clamping plate 402 of the long bending pipe mouth are in wave shape, the circular arcs on wave peaks and the circular arcs on adjacent wave troughs are circular arcs with equal diameters and unequal arc lengths, when the left clamping plate 401 of the long bending pipe mouth and the right clamping plate 402 of the long bending pipe mouth are clamped, the circular arcs of the wave peaks of the left clamping plate 401 of the long bending pipe mouth (the right clamping plate 402 of the long bending pipe mouth) and the circular troughs of the right clamping plate 402 of the long bending pipe mouth (the left clamping plate 401 of the long bending pipe mouth) are meshed into coaxial whole circles, the root parts of the long bending pipe 701 are clamped, the long bending pipe 701 is positioned and shaped, all meshed whole circle centers are arranged in two rows according to the positions of the long bending pipe mouth 701 of the heat exchanger, and after the left clamping plate 401 of the long bending pipe mouth and the right clamping plate 402 of the long bending pipe mouth are clamped, two rows of public tangent lines of alternately adjacent meshed circles are connected and tangent to the circular arcs of the wave peaks and the wave troughs, and the clamping and loosening are driven by a cylinder.
The heat exchanger lifting slide rail 500 is driven by a servo motor, a horizontal supporting plate 501 at the upper end of the slide rail is lifted to lift the heat exchanger workpiece 700 on the heat exchanger conveying line 600, and the long bent pipe mouth positioning nail 201 extends downwards to be right above the long bent pipe mouth 701 and is inserted into the long bent pipe mouth 701 on the lifted heat exchanger workpiece 700, so that the positioning of the long bent pipe mouth 701 of the heat exchanger is completed.
The outer diameter of the heat exchanger long elbow positioning nail 201 is set according to the root inner diameter of the heat exchanger long elbow 701, and the heat exchanger long elbow can smoothly enter the heat exchanger long elbow 701 for positioning, the heat exchanger long elbow positioning nail 201 is set into one row or two rows according to the heat exchanger long elbow 701, and the number of each row can be several or more.
The driven roller of the short bending conveying line 801 is respectively connected with the lower end of the corresponding direct vibration slideway 803.
Short bend guide rails are arranged on two sides of the short bend conveying belt 805. The guide guard rail of the short bent pipe 804 is round or rectangular, has a round outer diameter or a rectangular height, so as not to interfere with the short bent pipe mouth clamping plate 203 to clamp the short bent pipe 804, has smooth surface, is provided with a short bent pipe mouth positioning nail 201 at one circle of the short bent conveying belt 805, is provided with at least one row or two rows of positioning nails in the width direction of the short bent conveying belt 805, and is used for fixing the long bent pipe mouth 701 of the heat exchanger according to the central position requirement of the long bent pipe mouth 701 of the heat exchanger required to be assembled, the short bent pipe mouth positioning nails 201 are arranged in a straight line or a straight line, one pipe mouth of the short bent pipe 804 is positioned by one short bent pipe mouth positioning nail 201, the short bent pipe 804 is orderly arranged into one row or two rows on each short bent conveying belt 805, and the center distance of the short bent pipe mouth positioning nails 201 along the circumferential direction of the conveying belt 805 is set according to the center distance of the long bent pipe mouth 701 of the heat exchanger.
The short bent pipes 804 stored in the short bent pipe storage vibration disc 802 vibrate through the short bent pipe storage vibration disc 802, enter the inclined direct vibration slide 803 to vibrate and arrange, the short bent pipes 804 arranged on the direct vibration slide 803 are sequentially vibrated to move downwards, the pipe orifice of each short bent pipe 804, which is firstly slid down, is hung by the short bent pipe mouth positioning nail 201 on the short bent conveying belt 805, is converted into linear motion from circular motion along with the short bent conveying belt 805, and then the short bent pipe 804 on the direct vibration slide 803 is continuously hung on the short bent conveying belt 805 in the same way, moves along with the short bent conveying belt 805, and waits for the short bent pipe mouth clamping plate 203 to descend and clamp.
The number of the arranged short bent pipes 804 can be one row or two rows, and the number of the clamped short bent pipes 804 is equal to or less than the number of the long bent pipe orifices 701 of the heat exchanger on the heat exchanger workpiece 700.
Circular or rectangular elbow guide rods are arranged on two sides of the direct vibration slideway 803, the cross section of each guide rod can be circular or rectangular, the surfaces of the guide rods are smooth, and the short bent pipes 804 can conveniently move downwards on the direct vibration slideway 803.
The automatic assembly flow of the automatic assembly equipment of the embodiment is as follows:
the heat exchanger work piece 700 runs along with the heat exchanger conveying line 600 on the heat exchanger conveying line 600, after running to the position right below the horizontally extending long bent pipe mouth positioning nail 201, the heat exchanger conveying line 600 stops running, a horizontal supporting plate 501 connected to the upper end of the heat exchanger lifting sliding rail 500 rises to support the heat exchanger work piece 700, then the long bent pipe mouth positioning nail 201 extends downwards in a cylinder and is inserted into the long bent pipe mouth 701 of the heat exchanger to finish positioning of the long bent pipe mouth 701 of the heat exchanger, then the left clamping plate 401 of the long bent pipe mouth and the right clamping plate 402 of the long bent pipe mouth clamp the long bent pipe mouth 701 under the driving of the cylinder, after that, the long bent pipe mouth positioning nail 201 rises to return in a cylinder, the long bent pipe mouth positioning nail 201 exits from the long bent pipe mouth 701 of the heat exchanger, and after exiting to be in place, the long bent pipe mouth positioning nail 201 moves horizontally to be at the position above the long bent pipe mouth 701 of the heat exchanger.
At this time, the short tube port holding plate 206 on the short tube port positioning lifting assembly 200, which is positioned right above the long tube port 701 of the heat exchanger, is positioned in the middle of the horizontal slide 300, descends on the left vertical slide 208, inserts the short tube 804 clamped on the left short tube port holding plate 206 into the long tube port 701 of the heat exchanger, ascends and returns, then, the long tube port left holding plate 401 and the long tube port right holding plate 402 loosen the long tube port 701 of the heat exchanger assembled with the short tube 804, the horizontal pallet 501 descends on the heat exchanger lifting slide 500, the heat exchanger work 700 is put back to the heat exchanger conveying line 600, the heat exchanger work 700 inserted with the short tube 804 is started to run, leaves the supporting position of the horizontal pallet 501, and then waits to be supported by the horizontal pallet 501 as the heat exchanger conveying line 600 moves forward above the horizontal pallet 501, and enters the next automatic assembling cycle.
The left short-tube mouth clamping plate 206 and the right short-tube mouth clamping plate 207 simultaneously reciprocate on the horizontal sliding rail 300, and after the short-tube 804 on the short-tube conveying line 801 is clamped, the short-tube 804 is alternately lowered right above the positioned long-tube mouth 701 of the heat exchanger, and is inserted into the long-tube mouth 701 of the heat exchanger.
The assembly of the long and short bent pipes of the heat exchanger is automatically operated in a repeated manner.
Example 2, see fig. 4, 5, 6, 7, 8 and 9.
The embodiment provides an assembly of heat exchanger length return bend, compares with embodiment 1, lies in: the left clamping plate 401 and the right clamping plate 402 of the long-bent pipe mouth simultaneously clamp the long-bent pipe mouth 701 of the heat exchanger on the heat exchanger workpiece 700, and clamp and position the long-bent pipe mouth 701 of the heat exchanger; the short bent pipe port clamping plates 203 clamp the short bent pipes 804 in batches, so that the whole positioning of the clamped short bent pipes 804 is completed; and then the positioned short bent pipe 804 is accurately inserted into the long bent pipe orifice 701 of the heat exchanger, so that the long bent pipe orifice 701 of the heat exchanger is assembled with the short bent pipe 804.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the scope of the present invention as claimed.
Claims (8)
1. The automatic assembly equipment for the long and short bent pipes of the heat exchanger comprises an equipment rack, a short bent pipe storage hopper, a heat exchanger conveying line and a heat exchanger lifting slide rail, and is characterized in that the equipment rack is a frame type rack formed by connecting front and rear support plates by connecting plates, and the heat exchanger conveying line passes through the middle of the bottoms of the front and rear support plates; the heat exchanger lifting slide rail is arranged on a side plate of the heat exchanger conveying line between the front support plate and the rear support plate, and the upper end of the heat exchanger lifting slide rail is connected with a horizontal support plate; a pair of long-bending pipe orifice clamping mechanisms and single-row or double-row long-bending pipe orifice positioning nails which can move vertically and horizontally are sequentially connected between the front support plate and the rear support plate, wherein the long-bending pipe orifice clamping mechanisms are vertical to the support plate upwards; the long sides of the top parts of the front support plate and the rear support plate are respectively provided with a horizontal slide rail, a short bent pipe mouth positioning lifting assembly provided with two sets of vertical slide rails is bridged on the horizontal slide rails, and a pair of short bent pipe mouth clamping mechanisms are respectively arranged at the bottom of the vertical slide rail of each set of assembly and parallel to the heat exchanger conveying line; short return bend mouth location lifting unit below, the short curved transfer chain of heat exchanger transfer chain both sides pass respectively or stride across the front and back backup pad, and short curved transfer chain is connected to the slide lower extreme that directly shakes, and the storage vibration dish is connected to the upper end.
2. The automatic assembly equipment for long and short bent pipes of the heat exchanger according to claim 1, wherein the two sets of short bent pipe mouth positioning lifting assemblies are respectively composed of two pairs of short bent pipe mouth positioning lifting vertical sliding rails and a pair of short bent pipe mouth clamping mechanisms respectively arranged at the lower ends of the short bent pipe mouth positioning lifting sliding rails, the pairs of short bent pipe mouth clamping mechanisms are divided into two groups and are configured in pairs, the short bent pipe mouth positioning lifting assemblies move back and forth along the whole circulation of the horizontal sliding rails and the short bent pipe mouth clamping mechanisms move up and down along the vertical sliding rails independently, and the whole circulation of the short bent pipe mouth positioning lifting assemblies and the independent lifting of the short bent pipe mouth clamping mechanisms are driven by servo motor positioning;
the two pairs of short bent pipe mouth clamping mechanisms are respectively arranged at the two ends of the horizontal sliding rail and the middle position of the horizontal sliding rail, when one pair of short bent pipe mouth clamping mechanisms stops at one end of the horizontal sliding rail, the other pair of short bent pipe mouth clamping mechanisms are arranged at the middle position of the horizontal sliding rail, the two pairs of short bent pipe mouth clamping mechanisms move back and forth along the horizontal sliding rail together, the rest positions are circularly rotated at the two ends of the horizontal sliding rail and the middle three positions of the horizontal sliding rail, the positions at the two ends of the horizontal sliding rail are respectively arranged at the positions right above two short bent conveying lines, the two pairs of short bent pipe mouth clamping mechanisms respectively descend to clamp short bent pipes arranged on the short bent conveying lines, the rest positions in the middle of the horizontal sliding rail are respectively arranged at the positions right above one pair of long bent pipe mouth clamping mechanisms to clamp long bent pipe mouths of a heat exchanger, the two pairs of short bent pipe mouth clamping mechanisms are in common rest positions, and the two pairs of short bent pipe mouth clamping mechanisms fall down in wheels at the common rest positions to clamp the short bent pipe mouths from the short bent conveying lines and are inserted into the long bent pipe mouths of the heat exchanger right below the short bent pipe mouth clamping mechanisms.
3. The automatic assembly equipment for long and short bent pipes of heat exchangers according to claim 1 or claim 2, wherein each pair of the short bent pipe clamping mechanisms is divided into two groups, each group is formed by at least one short bent pipe clamping plate, the clamping faces of each group of short bent pipe clamping plates are in wave shape, the circular arcs on wave peaks of one group of short bent pipe clamping plates and the circular arcs on wave troughs of the other group of short bent pipe clamping plates arranged in pairs are equal-diameter circular arcs with different arc lengths in the same direction, when the two groups are clamped by the two groups of short bent pipe clamping plates, the wave peaks of one group of short bent pipe clamping plates and the wave troughs of the other group of short bent pipe clamping plates arranged in pairs are meshed to form a coaxial whole circle, the whole circle is aligned with the clamping short bent pipe ports, the coaxial whole circle after clamping is clamped to clamp the short bent pipe ports, the positioning, the shaping and clamping of the short bent pipe ports are completed, all meshed whole circle centers are arranged in two rows according to the positions of the long bent pipe ports of the heat exchanger, and after the two rows of short bent pipe clamping plates are clamped alternately, public tangent lines of adjacent meshed circles are connected with the wave peaks and the circular arcs, and the short bent pipe clamping plates are clamped by the circular arcs, and the clamping cylinders are driven by the clamping grooves and the opposite clamping grooves.
4. The automatic assembly equipment for long and short bent pipes of heat exchangers according to claim 1 or claim 2, wherein the long bent pipe port clamping mechanisms are divided into two groups, the two groups are configured in pairs, each group is composed of at least one long bent pipe port clamping plate, the clamping surfaces of the long bent pipe port clamping plates in each group are in a wave shape, the circular arcs on the wave peaks of one group of the long bent pipe port clamping plates and the circular arcs on the wave troughs of the other group of the long bent pipe port clamping plates in each pair are identical in direction and have equal-diameter circular arcs with unequal lengths, when the two groups of the short bent pipe port clamping plates in each pair are clamped, the circular arcs of the wave peaks of one group of the long bent pipe port clamping plates and the circular troughs of the other group of the long bent pipe port clamping plates in each pair are engaged into coaxial whole circles, the whole circles are sized to clamp the root copper pipes of the long bent pipe port, the coaxial whole circles after clamping and the whole circles are clamped to clamp the root parts of the long bent pipe ports, all the whole circles of the whole circles meshed are positioned and clamped, all the whole circles are arranged in two rows according to the positions of the long bent pipe port clamping plates in each row, after the long bent pipe port clamping plates are clamped, the two rows of common tangent lines of adjacent meshed circles are connected with the circular peaks and circular arcs, and the circular arcs are alternately meshed with the circular arcs, and the circular arcs of the wave arcs, and the wave centers of the and the two groups are clamped tightly, and the bent by opposite cylinder ports, and the bent pipe ends, and the ends.
5. The automatic assembly equipment for long and short bent pipes of heat exchangers according to claim 1 or 2, wherein the long bent pipe opening positioning mechanism of the heat exchanger is provided with long bent pipe opening positioning nails, the long bent pipe opening positioning nails are arranged according to the positions of the long bent pipe openings of the heat exchanger, the outer diameters of the long bent pipe opening positioning nails of the heat exchanger are set according to the inner diameters of pipe openings at the bottom of the heat exchanger, the long bent pipe openings of the heat exchanger can smoothly enter the heat exchanger, and the long bent pipe opening positioning nails of the heat exchanger are arranged in one row or two rows according to the long bent pipe openings of the heat exchanger.
6. The automatic assembly equipment for long and short bent pipes of heat exchangers according to claim 1, wherein the heat exchanger lifting slide rail is driven by a servo motor screw rod, a horizontal supporting plate at the upper end of the heat exchanger lifting slide rail is lifted to support heat exchanger workpieces on a heat exchanger conveying line, a positioning nail for the long bent pipe opening of the heat exchanger horizontally extends to be right above the long bent pipe opening of the heat exchanger, the positioning nail is inserted into the long bent pipe opening of the lifted heat exchanger to position the long bent pipe opening of the heat exchanger, the horizontal supporting plate is lifted, and the heat exchanger workpieces with short bent pipes inserted into the long bent pipe opening of the heat exchanger are returned to the heat exchanger conveying line and conveyed away.
7. The automatic assembly equipment for long and short bent pipes of the heat exchanger according to claim 1, wherein driven rollers of the short bent conveying line are respectively connected with the lower ends of corresponding direct vibration slideways, short bent pipe opening positioning nails are arranged on one circle of the short bent conveying line, the short bent pipe opening positioning nails are used for hanging and positioning the short bent pipes at the positions on the conveying line when the conveying line runs, at least one row or two rows of short bent pipe opening positioning nails are arranged on the short bent conveying line in the width direction, the short bent pipe opening positioning nails are arranged in a shape of one line or two rows according to the central position requirement of the long bent pipe opening of the heat exchanger required to be assembled, one pipe opening of one short bent pipe opening positioning nail is used for positioning one pipe opening of the short bent pipe, the short bent pipe is orderly arranged on each short bent conveying line to form one row or two rows, and the short bent pipe opening positioning nails are arranged along the central distance of the conveying line along the circumferential direction of the conveying line according to the central distance of the long bent pipe opening of the heat exchanger.
8. The automatic assembly equipment for long and short bent pipes of the heat exchanger according to claim 7, wherein the lower ends of the straight vibration slide ways are respectively connected with the driven ends of the short bent conveying lines, and the upper ends of the straight vibration slide ways are respectively connected with the short bent storage vibration trays; the short bent pipes arranged on the direct vibration slideway are sequentially moved downwards by vibration, the pipe orifice of each short bent pipe which slides down first is hung by a short bent pipe orifice positioning nail on the short bent conveying belt, and the short bent pipe orifice positioning nail is converted from circular arc motion to linear motion to move forwards along with the short bent conveying belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110262827.XA CN113001139B (en) | 2021-03-11 | 2021-03-11 | Automatic assembly equipment for long and short bent pipes of heat exchanger |
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| CN202110262827.XA CN113001139B (en) | 2021-03-11 | 2021-03-11 | Automatic assembly equipment for long and short bent pipes of heat exchanger |
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| CN113001139B true CN113001139B (en) | 2024-02-23 |
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| CN115255876B (en) * | 2022-08-18 | 2023-11-17 | 广东坚士制锁有限公司 | Spring wire automatic assembly equipment for lockset |
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| US6375228B1 (en) * | 1999-03-25 | 2002-04-23 | Construction Forms, Inc. | Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete |
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| CN109500592A (en) * | 2018-11-06 | 2019-03-22 | 宁波精达成形装备股份有限公司 | A kind of slotting bending machine |
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2021
- 2021-03-11 CN CN202110262827.XA patent/CN113001139B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6375228B1 (en) * | 1999-03-25 | 2002-04-23 | Construction Forms, Inc. | Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete |
| CN101614455A (en) * | 2008-06-24 | 2009-12-30 | Tcl集团股份有限公司 | A kind of heat exchanger |
| CN103894821A (en) * | 2012-12-25 | 2014-07-02 | 天津市隆泰冷暖设备制造有限公司 | Heat dissipation device automatic elbow installation device |
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