CN112547878A

CN112547878A - Aluminum pipe skew method for evaporator production

Info

Publication number: CN112547878A
Application number: CN202011568022.XA
Authority: CN
Inventors: 王彬; 王六四
Original assignee: Anhui Zhongju Mechanical And Electrical Equipment Co ltd
Current assignee: Anhui Zhongju Mechanical And Electrical Equipment Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-03-26

Abstract

The invention relates to an aluminum pipe skew method for evaporator production, which adjusts the distance between clamping openings and the size of each clamping opening according to the shape of the bent part of a circuitous aluminum pipe and the distance between the bent parts; the circuitous aluminum pipe is laid flat and exposed at each bending part, each bending part on the front side corresponds to each N1 clamping opening, and each bending part on the rear side corresponds to each N2 clamping opening; adjusting the distance between each N1 clamping port and each N2 clamping port to clamp the aluminum pipe; and synchronously adjusting the rotation angle of each N1 clamping port and each N2 clamping port, the distance between each N1 clamping port and the distance between each N2 clamping port according to the required skew angle, wherein the rotation direction of the N1 clamping port is opposite to the rotation direction of the N2 clamping port. The aluminum pipe skew clamp can be used for realizing aluminum pipe skew treatment, the size of the clamping opening is adjustable, the distance between the clamping openings is adjustable so as to meet the clamping requirements of different circuitous aluminum pipes, the application range is wider, and skew is more reliable.

Description

Aluminum pipe skew method for evaporator production

Technical Field

The invention relates to the field of production equipment of evaporators, in particular to an aluminum pipe skew method for evaporator production.

Background

The circuitous aluminum pipe needs to be subjected to skew treatment, and although the traditional skew equipment can be used for carrying out skew treatment on the aluminum pipe, certain defects still exist during the skew treatment, such as low reliability of the skew treatment, limited size of the adaptive model and the like. It is therefore desirable to provide a more reliable and widely applicable skew machine.

Disclosure of Invention

In order to solve the above problems, the present invention provides a method for skewing an aluminum pipe for evaporator production.

The technical scheme adopted by the invention is as follows.

A method for skewing an aluminum pipe for evaporator production, comprising adjusting the spacing between N1 gripping openings and the size of each N1 gripping opening, adjusting the spacing between N2 gripping openings and the size of each N2 gripping opening according to the shape of the bend of a meandering aluminum pipe and the spacing between bends; the circuitous aluminum pipe is laid flat and exposed at each bending part, each bending part on the front side corresponds to each N1 clamping opening, and each bending part on the rear side corresponds to each N2 clamping opening; adjusting the distance between each N1 clamping port and each N2 clamping port to clamp the aluminum pipe; and synchronously adjusting the rotation angle of each N1 clamping port and each N2 clamping port, the distance between each N1 clamping port and the distance between each N2 clamping port according to the required skew angle, wherein the rotation direction of the N1 clamping port is opposite to the rotation direction of the N2 clamping port.

Preferably, each N1 rotating module is respectively rotatably installed on each N1 skew seat, each N1 clamping opening is respectively arranged on each N1 rotating module, each N1 skew seat is installed on a sliding shaft of the N1 skew seat at intervals in the N2 direction in a sliding mode, and the interval between each N1 skew seat is adjusted through the N1 skew interval adjusting part so as to adjust the interval between each N1 clamping opening; the N2 rotating modules are respectively rotatably installed on the N2 skew seats, the N2 rotating modules are respectively provided with N2 clamping ports, the N2 skew seats are installed on a N2 skew seat sliding shaft at intervals in the N2 direction in a sliding mode, and the N2 skew interval adjusting parts are used for adjusting the interval between the N2 skew seats so as to adjust the interval between the N2 clamping ports; the N1 and N2 rotating modules are arranged at intervals in a staggered mode along the N2 direction, so that the N1 clamping openings correspond to the front-side bent parts, and the N2 clamping openings correspond to the rear-side bent parts.

Preferably, two N1 skew spacing adjusting rods are respectively arranged between two adjacent N1 skew seats, the end parts, far away from each other, of the two N1 skew spacing adjusting rods are respectively hinged with the N1 skew seats, the end parts, close to each other, of the N1 skew spacing adjusting rods are respectively connected with the N1 skew spacing adjusting movable pieces, each N1 skew spacing adjusting movable piece is movably installed on each N1 skew spacing adjusting piece along the direction of N2 at intervals, the length direction of each N1 skew spacing adjusting piece is consistent with the direction of N2, and the spacing between the clamping openings of each N1 is adjusted by adjusting the spacing between the N1 skew spacing adjusting piece and the sliding shaft of the N1 skew seat; two N2 skew spacing adjusting rods are respectively arranged between two adjacent N2 skew seats, the end parts, far away from each other, of the two N2 skew spacing adjusting rods are respectively hinged with the N2 skew seats, the end parts, close to each other, of the N2 skew spacing adjusting rods are respectively connected with the N2 skew spacing adjusting movable pieces, each N2 skew spacing adjusting movable piece is movably installed on each N2 skew spacing adjusting piece along the N2 direction at intervals, the length direction of each N2 skew spacing adjusting piece is consistent with the N2 direction, and the spacing between the N1 clamping openings is adjusted by adjusting the spacing between the N2 skew spacing adjusting piece and the sliding shaft of the N2 skew seat.

Preferably, the N1 rotating tubes arranged on the N1 rotating modules are respectively and rotatably installed on the N1 skew seats, and the N1 skew adjusting parts adjust the N1 rotating tubes to synchronously rotate to drive the N1 rotating modules to rotate; and N2 rotating pipes arranged on the N2 rotating modules are respectively and rotatably arranged on the N2 skew seats, and the N2 skew adjusting parts are used for adjusting the N2 rotating pipes to synchronously rotate so as to drive the N2 rotating modules to rotate.

Preferably, an N11 gear is assembled at the end part of the N1 rotating pipe, which is far away from the N2 skew part, an N12 gear which is meshed with the N11 gear is arranged above the N1 rotating pipe, an N11 bevel gear which is coaxially connected with the N12 bevel gear in a transmission manner is arranged outside the N12 bevel gear, a rotatably installed N12 bevel gear is further arranged on the N1 skew seat, the N12 bevel gear is meshed with the N11 bevel gear, the center line of the N12 bevel gear is arranged in parallel with the N2 direction, the N12 bevel gear is in sliding fit with the N1 spline shaft, the length direction of the N1 spline shaft is consistent with the N2 direction, the N1 is rotatably installed on the N1 skew assembly bracket, and each N1 spline shaft is driven to rotate by adjusting the rotation of the N1 spline shaft; an N21 gear is assembled at the end part of the N2 rotating pipe, which is far away from the N1 skew part, an N22 gear meshed with the N21 gear is arranged above the N21 gear, an N21 bevel gear coaxially connected with the N22 gear is arranged on the outer side of the N22 gear, an N22 bevel gear rotatably installed on an N2 skew seat is further arranged, an N22 bevel gear is meshed with an N21 bevel gear, the center line of the N22 bevel gear is arranged in parallel with the N2 direction, the N22 bevel gear is slidably assembled with an N2 spline shaft, the length direction of the N2 spline shaft is consistent with the N2 direction, the N2 spline shaft is rotatably installed on an N2 skew assembly bracket, and each N2 clamping port is driven to rotate by adjusting the rotation of the N2 spline shaft.

Preferably, N11 and N12 skew pieces are arranged on each N1 rotating module, N11 and N12 clamp openings for forming an N1 clamping opening are respectively arranged on the N11 and N12 skew pieces, N11 and N12 skew pieces are respectively arranged on two sides of a rotating center line of the N1 rotating module, the N11 and N12 skew pieces are respectively movably installed along the radial direction of the rotation of the N1 rotating module, and the size of the N1 clamping opening is adjusted by adjusting the distance between the N11 and N12 skew pieces through the N1 skew opening adjusting piece; n21 and N22 skew pieces are arranged on each N2 rotating module, N21 and N22 clamping openings used for forming an N2 clamping opening are respectively arranged on the N21 and N22 skew pieces, N21 and N22 skew pieces are respectively arranged on two sides of a rotating center line of the N2 rotating module, the N21 and N22 skew pieces are respectively movably installed along the radial direction of the rotating of the N1 rotating module, and the N2 skew opening adjusting pieces are used for adjusting the space between the N21 and N22 skew pieces so as to adjust the size of the N2 clamping opening.

Preferably, two N1 skew opening adjusting driving positions are arranged on the N1 skew opening adjusting piece, N1 skew opening adjusting passive positions are respectively arranged on the N11 skew opening adjusting piece and the N12 skew opening adjusting passive positions, the two N1 skew opening adjusting driving positions and the two N1 skew opening adjusting passive positions form inclined surface driving matching, and the two N1 skew opening adjusting passive positions are close to and far away from each other by adjusting the two N1 skew opening adjusting driving positions to move along the N1 direction; the N2 skew port adjusting driving positions are arranged on the N2 skew port adjusting piece, the N21 skew port adjusting driven positions are arranged on the N22 skew port adjusting piece and the N2 skew port adjusting driven positions respectively, the two N2 skew port adjusting driving positions and the two N2 skew port adjusting driven positions form inclined surface driving matching, and the two N2 skew port adjusting driven positions are moved along the N1 direction by adjusting the two N2 skew port adjusting driving positions to enable the two N3524 skew port adjusting driven positions to be close to and far away from each other.

Preferably, the N1 skew opening adjusting driving part is arranged into two N1 driving parts which are arranged in a V shape, the N1 skew opening adjusting driven part is arranged into an N1 driven clamping groove, the groove length direction of the N1 driven clamping groove is consistent with the length direction of the N1 driving part, and the N11 and the N12 skew pieces are driven to move to approach and depart from each other by driving the N1 driving part; the N2 skew opening adjusting driving part is set into two N2 driving parts which are arranged in a V shape, the N2 skew opening adjusting driven part is set into an N2 driven clamping groove, the groove length direction of the N2 driven clamping groove is consistent with the length direction of the N2 driving part, and the N21 and the N22 skew parts are driven to move to be close to and away from each other by driving the N2 driving part.

Preferably, the N1 translation adjusting shaft is inserted into the N1 rotating pipe, the N1 translation adjusting shaft and the N1 rotating pipe form sliding assembly and synchronous rotation, an N1 skew opening adjusting piece is arranged at the end part, close to the N2 skew part, of the N1 translation adjusting shaft, the N1 translation adjusting shaft extends out of the N1 rotating pipe, and the N1 translation adjusting shaft is adjusted to move in the N1 rotating pipe so as to adjust the two N1 skew opening adjusting driving parts to move along the N1 direction, so that the two N1 skew opening adjusting driven parts are close to and away from each other; the N2 translation adjusting shaft is inserted into the N2 rotating pipe, the N2 translation adjusting shaft and the N2 rotating pipe form sliding assembly and synchronous rotation, the N2 skew opening adjusting piece is arranged at the end part, extending out of the N2 rotating pipe, of the N2 translation adjusting shaft and close to the N1 skew part, and the N2 skew opening adjusting driven part is enabled to be close to and far away from each other by adjusting the N2 translation adjusting shaft to move in the N2 rotating pipe so as to adjust the two N2 skew opening adjusting driving parts to move along the N1 direction.

Preferably, the other end of each N1 translational adjusting shaft is slidably mounted on the N1 translational adjusting guide rail along the N2 direction, the N1 translational adjusting guide rail is slidably mounted on the N1 skew assembling bracket along the N1 direction, and each N1 translational adjusting shaft is adjusted to move in the N1 rotating pipe by adjusting the movement of the N1 translational adjusting guide rail; the other end of each N2 translational adjusting shaft is arranged on the N2 translational adjusting guide rail in a sliding mode along the direction N2, the N2 translational adjusting guide rail is arranged on the N2 skew assembling bracket in a sliding mode along the direction N1, and each N2 translational adjusting shaft is adjusted to move in the N2 rotating pipe by adjusting the movement of the N2 translational adjusting guide rail.

The invention has the beneficial effects that: the method for skewing the aluminum pipe for evaporator production can realize the skewing treatment of the aluminum pipe to meet the requirement of a specific evaporator. The size of the clamping opening of the aluminum pipe skewing equipment is adjustable, the aluminum pipe can be clamped more tightly, so that the skewing process is more reliable, the distance between the clamping openings is adjustable to meet the clamping requirements of different circuitous aluminum pipes, the application range is wider, and the skewing is more reliable.

Drawings

FIG. 1 is a schematic view of an aluminum pipe after being subjected to skew treatment;

FIG. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a partial top view of the skew spacing adjustment mechanism of FIG. 2;

FIG. 4 is a partial top view of the skew adjustment mechanism and skew opening adjustment cabinet of FIG. 2;

FIG. 5 is an isometric view and a plan view of a clamping jig for skewing a bend in an aluminum pipe.

The reference numbers in the figures are:

100-aluminum tube, 110-bending part, 200-N1 skew part, 210-N1 skew sub part, 211-N1 clamping part, 212-N1 skew seat, 213-N1 rotating module, 214-N1 clamping port, 215-N1 skew distance adjusting rod, 216-N1 skew distance adjusting movable piece, 217-N1 skew distance adjusting piece (N1 skew distance adjusting rail), 218-N1 skew distance adjusting driving piece, 219-N11 skew piece, 220-N12 skew piece, 222-N1 skew distance adjusting driving part, 223-N1 skew distance adjusting passive part, 224-N1 rotating tube (N1 skew adjusting piece), 226-N1 translation adjusting shaft (N1 skew distance adjusting piece), 227-N1 translation shaft front part, 227-N1 translation shaft rear part, 229-N1 translation block, and guide rail 230-N1 translation adjusting guide rail, 231-N1 translational adjusting pipe, 232-N translational driving shaft, 233-N1 translational adjusting nut, 234-N1 skew seat sliding shaft, 235-N1 skew assembling bracket, 236-N11 gear, 237-N12 gear, 238-N11 bevel gear, 239-N12 bevel gear, 240-N1 spline shaft, 241-N11 transmission gear, 242-N12 transmission gear and 243-N11 transmission belt, 244-N12 transmission bevel gears, 245-N11 transmission bevel gears, 246-N11 transmission shafts, 247-N skew driving shafts, 250-N stroke adjusting driving assemblies, 251-N translation driving motors, 252-N1 sliding supports, 253-N1 driving adjusting plates, 400-N2 skew parts, 410-N2 skew sub-parts, 411-N2 clamping parts and 500-skew frames.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying 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.

As shown in fig. 1, some evaporators require aluminum tubes subjected to skew treatment for the aluminum tubes, so that the fin frosting effect is reduced, and the energy efficiency of the evaporator is improved. In order to solve the above problems and to be more reliable in adapting to the space between different bends, the size of the bend and the skew, the present invention provides an apparatus for skewing an aluminum tube for evaporator production, which requires the aluminum tube to be formed into an aluminum tube having a certain angle by skew treatment at the bend 110.

1-5, an apparatus for skewing aluminum tubes for evaporator production includes a skew frame 500, and N1 skew portions 200 and N2 skew portions 400 oppositely disposed on the skew frame, wherein the pitch direction between the N1 and N2 skew portions is N1, the N2 direction is horizontal direction perpendicular to the N1 direction, the N1 skew portion 200 includes N1 skew sub-portions 210 spaced apart in the N2 direction, the N2 skew portion 400 includes N2 skew sub-portions 410 spaced apart in the N2 direction, N1 and N2 skew sub-portions are spaced apart in the N2 direction, N2 and N2 skew sub-portions are respectively provided with N2 gripping portions 211 and N2 gripping portions 411 for gripping the aluminum tube skew portions, N2 and N2 gripping portions are respectively rotatably mounted on the skew frame around the N2 direction, N2 and N2 skew sub-portions are respectively connected with an N2 skew portion adjustment mechanism for adjusting the N2 and N2 adjustment mechanism for adjusting the N2 and the N2 adjustment mechanism for adjusting the N2 adjustment, The rotating directions of the N2 skew sub-parts are opposite, the N1 and the N2 skew sub-parts are respectively movably mounted on the skew rack along the N2 direction, an N skew interval adjusting mechanism is arranged on the skew rack, and the N skew interval adjusting mechanism is respectively used for adjusting the interval between the adjacent N1 skew sub-parts 210 and the interval between the adjacent N2 skew sub-parts.

The N1 skew parts 200 and the N2 skew parts 400 are movably mounted on the skew rack along the N1 direction, an N translation adjusting mechanism is further arranged on the skew rack, and the N translation adjusting mechanism adjusts the N1 and the N2 skew parts to move along the N1 direction.

As shown in fig. 2, the structures of the skew sub-portions N1 and N2 are the same, the skew sub-portion N1 includes a skew seat N1 212, the holding portion 211 includes a rotating module N1 rotatably mounted on the skew seat N1 212, the rotating module N1 has a holding opening N1 214, the opening of the holding opening N1 is directed to the skew portion N2, and the rotating module N1 is connected to the skew adjustment mechanism.

The N2 skew sub-portion comprises an N2 skew seat, the N2 clamping portion comprises an N2 rotating module which is rotatably installed on the N2 skew seat, an N2 clamping opening is formed in the N2 rotating module, the opening of the N2 clamping opening points to the N1 skew portion, and the N2 rotating module is connected with the skew adjusting mechanism.

As shown in fig. 1, firstly, the circuitous aluminum tube is supported and positioned in a lying state by the clamping mechanism or the supporting mechanism, the bending part 110 is exposed, the N1 and the N2 skew parts are adjusted by the N translation adjusting mechanism to move along the N1 direction, the N1 skew sub-parts 210 and the N2 skew sub-parts 410 are moved to the bending part 110, the bending part 110 of the circuitous aluminum tube is just clamped after the circuitous aluminum tube is moved to the right position, and the aluminum tube is subjected to skew treatment by rotating the N1 skew sub-parts 210 and the N2 skew sub-parts 410 in the opposite direction. The skew adjusting mechanism is used for adjusting the N1 skew subparts and the N2 skew subparts to rotate respectively, the N skew distance adjusting mechanism is used for adjusting the distance between the adjacent N1 skew subparts 210 and the distance between the adjacent N2 skew subparts 410, and therefore the aluminum tubes with the distances between different bent positions are subjected to skew processing. The sizes of the clamping ports of the N1 clamping positions 211 and the N2 clamping positions 411 are adjusted through the N skew port adjusting mechanism, so that the aluminum pipe skew processing device is suitable for aluminum pipes with bending positions of different sizes to be subjected to skew processing. The equipment for skewing the aluminum pipes produced by the evaporator has the advantages that the sizes of the clamping openings are adjustable, and the distance between the clamping openings is adjustable, so that the application range is wider. Because the size of the clamping opening is adjustable, the clamping is tighter to the bent part, so that the skew is more reliable.

Since the structure of N1 skew 200 and N2 skew 400 are substantially identical, the principle of operation of N1 skew 200 will be explained in detail below.

First, an N skew interval adjusting mechanism that adjusts the interval between the nip is explained.

As shown in fig. 3, the N skew spacing adjustment mechanism includes N1 and N2 skew spacing adjustment portions respectively arranged corresponding to the N1 and N2 skew portions, the N1 and N2 skew spacing adjustment portions have the same structure, the N1 skew spacing adjustment portion includes two N1 skew bases 212 between which two N1 skew spacing adjustment rods 215 are respectively disposed, the end portions of the two N1 skew spacing adjustment rods 215 far away from each other are respectively hinged to the N1 skew bases 212, the end portions of the N1 skew spacing adjustment rods 215 near to each other are respectively connected to the N1 skew spacing adjustment movable members 216, each N1 skew spacing adjustment movable member 216 is respectively movably mounted on the N1 skew spacing adjustment member 217 along the N2 direction at intervals, the length direction of the N1 skew spacing adjustment member 217 is kept consistent with the N2 direction, and the N1 skew spacing adjustment member 217 is connected to an N1 skew spacing adjustment driving member 218 for adjusting the movement of the N1 direction.

The N2 skew interval adjusting part comprises two N2 skew interval adjusting rods respectively arranged between two adjacent N2 skew seats, the end parts, far away from each other, of the two N2 skew interval adjusting rods are respectively hinged with the N2 skew seats, the end parts, close to each other, of the N2 skew interval adjusting rods are respectively connected with the N2 skew interval adjusting movable pieces, each N2 skew interval adjusting movable piece is respectively and movably arranged on the N2 skew interval adjusting piece along the N2 direction at intervals, the length direction of the N2 skew interval adjusting piece is consistent with the N2 direction, and the N2 skew interval adjusting piece is connected with the N2 skew interval adjusting driving piece for adjusting the movement of the N2 skew interval adjusting piece along the N1 direction.

Each N1 skew seat 212 is slidably mounted on the N1 skew mounting bracket 235 through an N1 skew seat sliding shaft 234 along the N2 direction, the N1 skew distance adjusting piece 217 is an N1 skew distance adjusting rail 217 arranged along the N2 direction, the N1 skew distance adjusting rail 217 is a closing-in groove-shaped piece with an opening pointing to the skew seat, each N1 skew distance adjusting movable piece 216 is slidably mounted with the N1 skew distance adjusting rail 217 along the N2 direction, and the closing-in groove-shaped piece can push and pull the N1 skew distance adjusting movable piece 216 to move along the N1 direction. The N1 skew spacing adjusting rail 217 is slidably mounted on the N1 skew mounting bracket 235 along the direction N1, the N1 skew mounting bracket is provided with an N1 skew spacing adjusting driving piece 218 which is used for adjusting the movement of the N1 skew spacing adjusting rail 217 to be connected, and the N1 skew spacing adjusting movable piece 216 is composed of an N1 skew spacing adjusting movable piece.

Each N2 skew seat is respectively installed on an N2 skew assembly bracket in a sliding manner along the direction N2, an N2 skew spacing adjusting piece is an N2 skew spacing adjusting rail arranged along the direction N2, each N2 skew spacing adjusting movable piece is respectively assembled with the N2 skew spacing adjusting rail in a sliding manner along the direction N2, an N2 skew spacing adjusting rail is installed on an N2 skew assembly bracket in a sliding manner along the direction N1, the N2 skew spacing adjusting driving piece used for adjusting the movement of the N2 skew spacing adjusting rail is arranged on the N2 skew assembly bracket and is connected with the N2 skew spacing adjusting movable piece, and the N2 skew spacing adjusting movable piece is composed of an N2 skew spacing adjusting movable piece.

As shown in fig. 3, the equidistant multi-link adjusting mechanism is composed of the skew spacing adjusting rod N1 215, the skew spacing adjusting rail N1 217, and the skew seat sliding shaft N1, wherein each skew spacing adjusting moving member N1 slides on the skew spacing adjusting rail N1 217, each skew seat N1 slides on the skew seat sliding shaft N1 234, and the skew spacing adjusting driving member N1 adjusts the spacing between the skew seat sliding shaft N1 234 and the skew spacing adjusting rail N1 217 to adjust the spacing between the skew seats, so as to meet the requirement of clamping jaws with different spacing.

The following describes N skew adjusting mechanisms for rotationally adjusting the N1 and N2 skew sub-portions, respectively, to meet the requirements for skew processing of aluminum tubes.

As shown in fig. 4 and 5, the N skew adjustment mechanism includes N1 and N2 skew adjustment portions respectively disposed corresponding to the N1 and N2 skew portions, the N1 and N2 skew adjustment portions have the same structure, and the N1 rotation module 213 includes N1 rotation tubes 224 respectively disposed on the N1 skew seats 212.

The N1 rotating tube 224 is rotatably arranged on the N1 skew seat 212, the N11 skew piece 219 and the N12 skew piece 220 are slidably arranged at the end part of the N1 rotating tube 224 close to the side of the N2 skew part, and the N11 skew piece 219 and the N12 skew piece 220 form a clamping opening for clamping an aluminum tube. The end of the N1 rotary tube 224 far away from the N2 skew part is assembled with an N11 gear (not shown below the N12 gear 237), an N12 gear 237 meshed with the N11 gear is arranged above the N11 gear, an N11 bevel gear 238 coaxially connected with the N12 gear in a transmission way is arranged outside the N12 gear, an N12 bevel gear 239 rotatably mounted on the N1 skew seat 212 is also arranged, the N12 bevel gear 239 is meshed with the N11 bevel gear 238, the center line of the N12 bevel gear 239 is arranged in parallel with the N2 direction, the N12 bevel gear 239 is assembled with an N1 spline shaft 240 rotatably mounted on an N1 skew assembly bracket in a sliding way, and the length direction of the N1 spline shaft is consistent with the N2 direction.

As shown in fig. 4 and 5, the spline shaft 240 of the N1 is rotated to drive the bevel gear 239 of the N12 to rotate, the gear 237 of the N12 is driven to rotate, the gear 11 is driven to rotate, the rotating tube 224 of the N1 is driven to rotate, and finally the

skew pieces

219 and 220 of the N11 and the N12 are driven to rotate, so that the requirement of aluminum tube clamping skew treatment is met.

The N2 rotating pipe is rotatably installed on an N2 skew seat, the N21 and N22 skew pieces are slidably installed at the end part, close to the side of the N1 skew part 200, of the N2 rotating pipe, the end part, far away from the side of the N1 skew part 200, of the N2 rotating pipe is provided with an N21 gear, the upper side of the N21 gear is provided with an N22 gear meshed with the N4642 gear, the outer side of the N22 gear is provided with an N21 bevel gear coaxially connected with the N21 gear in a transmission mode, the N2 skew seat is further provided with an N22 bevel gear, the N22 bevel gear is meshed with an N21 bevel gear, the center line of the N22 bevel gear is arranged in parallel to the direction of N2, the N22 bevel gear is slidably assembled with an N2 spline shaft rotatably installed on an N2 skew assembling bracket, and the length direction.

The N1 skew adjusting part also comprises an N11 transmission gear and an N11 transmission bevel gear which are arranged at the shaft end of the N1 spline shaft 240, an N12 transmission gear is arranged at the lower side of the N11 transmission gear, the N11 and the N12 transmission gears are in transmission connection through an N11 transmission belt 243, an N12 transmission bevel gear 244 and an N11 transmission bevel gear 245 are in transmission connection through an N11 transmission shaft 246, an N11 transmission shaft 246 is arranged along the N2 direction, an N11 transmission bevel gear 245 is arranged at the side of the N11 transmission bevel gear 245 in meshing transmission connection with the N12 transmission bevel gear 244, the center line of the N12 transmission bevel gear 244 is arranged along the N63, the transmission gear N12 and the transmission bevel gears N11 and N12 are rotatably mounted on an N1 skew assembly bracket, an N skew driving shaft 247 which is rotatably assembled and arranged along the direction N1 is arranged on the skew frame, the end part of the N skew driving shaft 247, which is arranged corresponding to the N1 skew part 200, is recorded as an N1 skew driving shaft section, and the N1 skew driving shaft section and the N12 transmission bevel gear 244 are slidably assembled along the direction N1 and rotate synchronously.

As shown in fig. 4, the motor drives the N-skew driving shaft 247 to rotate to drive the N12 transmission bevel gear 244 to rotate, drives the N11 transmission bevel gear 245 to rotate to drive the N11 and the N12 transmission gear to rotate, and finally drives the N1 spline shaft 240 to rotate, so as to meet the requirement of aluminum pipe clamping skew processing. The synchronous adjustment of the rotation of the N1 and N2 skew subparts can synchronously adjust the rotation of the N1 and N2 skew subparts, the rotation directions are opposite, a skew aluminum pipe with higher quality can be obtained, and the synchronous adjustment can also keep the consistency of products as much as possible. Wherein an N12 drive bevel gear 244 is slidably mounted on an N skew drive shaft 247 for movement with an N1 skew mounting bracket 235.

The N2 skew adjusting part also comprises an N21 transmission gear and an N21 transmission bevel gear which are arranged at the shaft end of the N2 spline shaft, an N22 transmission gear is arranged at the lower side of the N21 transmission gear, the N21 and the N22 transmission gears are in transmission connection through an N21 transmission belt, the N22 transmission bevel gear and the N21 transmission bevel gear are in transmission connection through an N21 transmission shaft, the N21 transmission shaft is arranged along the N2 direction, an N22 transmission bevel gear in meshing transmission connection with the N21 transmission bevel gear is arranged at the side of the N22 transmission bevel gear, the central line of the N22 transmission bevel gear is arranged along the N1, the N22 transmission gear, the N21 transmission bevel gear and the N22 transmission bevel gear are rotatably installed on the N21 skew assembly bracket, the end part of the N skew driving shaft, which corresponds to the N2 skew part, is recorded as an N2 skew driving shaft section, the N2 translation driving shaft section and the N22 transmission bevel gear are assembled in a sliding mode along the N1 direction and rotate synchronously, and the N skew driving shaft is in transmission connection with an N skew driving motor arranged on the skew rack.

The N-skew port adjustment mechanism for adjusting the spacing between the N11 and N12 skew members is described in detail below to meet the clamping requirements at different sized bends.

As shown in fig. 5, the N1 rotating module 213 has N11 skew pieces 219 and N12 skew pieces 220, the N11 and N12 skew pieces are respectively disposed at two sides of the rotating center line of the N1 rotating module 213, the N11 and N12 skew pieces are respectively movably mounted along the radial direction of the rotation of the N1 rotating module 213, the skew frame is further provided with an N skew opening adjusting mechanism for adjusting the distance between the N11 and N12 skew pieces, and the N11 and N12 skew pieces are respectively provided with N11 and N12 pinch openings for forming the N1 pinch opening 214.

The N2 rotating module is provided with N21 and N22 skew pieces, the N21 and N22 skew pieces are respectively arranged on two sides of a rotating center line of the N2 rotating module, the N11 and N12 skew pieces 220 are respectively movably installed along the radial direction of the rotation of the N1 rotating module 213, the N11 and the N12 skew pieces 220 are connected with an N skew opening adjusting mechanism for adjusting the distance between the N11 and the N12 skew pieces, and the N11 and the N12 skew pieces 220 are respectively provided with N11 and N12 clamping openings for forming the N1 clamping openings 214.

The N11 and N12 skew pieces are respectively arranged on the N1 rotating module 213 in a radial sliding mode along the rotating direction of the N1 rotating module 213, the N skew port adjusting mechanism comprises an N1 skew port adjusting piece which is arranged on the N1 rotating module 213 in a sliding mode along the N1 direction, two N1 skew port adjusting driving positions 222 are arranged on the N1 skew port adjusting piece, N1 skew port adjusting driven positions 223 are respectively arranged on the N11 and N12 skew pieces, the two N1 skew port adjusting driving positions 222 are respectively matched with the two N1 skew port adjusting driven positions 223 in a bevel driving mode, and the two N1 skew port adjusting driving positions 222 are adjusted to move along the N1 direction to enable the two N1 skew port adjusting driven positions 223 to be close to each other and far away from each other.

N21, N22 skew piece rotates the module pivoted radial slidable along N2 respectively and installs on N2 rotates the module, N skew mouth adjustment mechanism still includes along N1 direction slidable mounting the N2 skew mouth regulating part on N2 rotates the module, be provided with two N2 skew mouth adjustment drive departments on the N2 skew mouth regulating part, N21, N22 are provided with N2 skew mouth respectively and adjust passive department, two N2 skew mouth adjustment drive departments constitute inclined plane drive cooperation with two N2 skew mouth adjustment passive departments respectively, adjust two N2 skew mouth adjustment drive departments and realize that two N2 skew mouth adjustment passive departments are close to each other and keep away from along the removal of N1 direction.

The N1 skew mouth adjusting driving part 222 is two N1 driving parts arranged in a V shape, and the N1 skew mouth adjusting driven part 223 is formed by N1 driven slots, the slot length direction of which is consistent with the length direction of the N1 driving parts. The N1 driving piece can be a long-strip-shaped driving block or a pulley.

The N2 skew mouth adjusting driving part is an N2 driving part which is arranged in a V shape, and the N2 skew mouth adjusting driven part is formed by an N2 driven clamping groove, wherein the groove length direction of the N2 driven clamping groove is consistent with the length direction of the N2 driving part.

As shown in fig. 5, the N1 skew slot adjustment drive 222 is driven to move against the skew slot adjustment passive 223, the skew slot adjustment passive 223 is disposed on the N21 skew pieces 219, N22 skew piece 220, and the N21 skew pieces 219, N22 skew piece 220 slide in the radial direction of the N1 rotation block 213, so that the size of the nip can be adjusted.

The structure of the drive N1 skew adjustment drive 222 is as follows.

The N translation adjusting mechanism comprises N1 and N2 translation adjusting parts which are respectively arranged corresponding to the N1 and the N2 skew parts, the N1 and the N2 translation adjusting parts are identical in structure, and the N1 translation adjusting parts comprise N1 translation adjusting shafts 226 respectively arranged on the N1 skew seats 212.

As shown in fig. 4, the N1 translational adjustment shaft 226 comprises an N1 translational shaft front section 227, an N1 translational shaft rear section 228, an N1 translational shaft front section 227 is inserted into the N1 rotation tube 224 and forms a sliding assembly and rotates synchronously with the N1 translational shaft front section 227, the N1 translational shaft front section 227 extends out of the N1 rotation tube 224 and is provided with an N1 skew adjustment member near the end of the N2 skew portion, the other end of the N1 translational shaft front section 227 extending out of the N1 rotation tube 224 is connected with one end of the N1 translational shaft rear section 228 in a rotating assembly, the other end of the N1 translational shaft rear section 228 is provided with an N1 translational movement block 229, the N1 translational movement block 229 is slidably mounted on the N1 translational adjustment guide rail 230 in the N2 direction, the N1 translational adjustment guide rail 230 is in the body length direction consistent with the N2 direction, the N1 translational adjustment guide rail 230 is slidably mounted on the N6867 translational movement frame 874235, the N36235 mounting bracket 1 is slidably mounted on the N36500, the N1 skew assembling bracket 235 is provided with a rotationally-mounted N1 translation adjusting pipe 231, the outer wall of the N1 translation adjusting pipe 231 is provided with an N1 threaded pipe section, the length direction of the N1 translation adjusting pipe 231 is consistent with the N1 direction, the N1 translation adjusting guide rail 230 is provided with an N1 translation adjusting nut 233, the N1 translation adjusting nut 233 and the N1 threaded pipe section form a screw nut adjusting mechanism, the skew frame is provided with an N translation driving shaft 232 which is arranged along the N1 direction and rotationally mounted, the end part of the N translation driving shaft 232 corresponding to the N1 skew part 200 is marked as an N1 translation driving shaft section, the N1 translation driving shaft section and the N1 translation adjusting pipe 231 are slidably assembled along the body length direction and synchronously rotate, and the N stroke adjusting driving assembly 250 for adjusting the N1 skew assembling bracket to move along the N1 direction is arranged on the skew frame and connected with the N stroke adjusting driving assembly.

As shown in fig. 5, the N1 translational adjustment shaft 226 is inserted into the N1 rotational tube 224 and both constitute a sliding fit and a synchronous rotation, such as by keyed or splined engagement. The front end of the N1 translation adjusting shaft 226 is provided with an N1 skew port adjusting piece, the N1 skew port adjusting piece is provided with two N1 skew port adjusting driving parts 222, so that the N1 translation adjusting shaft 226 is driven to slide in the N1 rotating pipe 224 to drive the N1 skew port adjusting driving parts 222 to move, wherein the N1 rotating pipe 224 is rotatably arranged on a skew seat.

As shown in FIG. 4, the rear section of the N1 pan adjustment shaft 226 is slidably mounted on the N1 pan adjustment guide 230 for movement with movement of the nip gap. The N1 translational adjustment shafts 226 are adjusted by driving the N1 translational adjustment rails 230 to move.

The N1 translation adjusting guide rail 230 is driven to move by the lead screw nut adjusting mechanism, and the size of the clamping opening can be adjusted with high precision by adopting the lead screw nut adjusting mechanism. While the sliding assembly of the N translation drive shaft 232 may accommodate the movement of the N1 skew assembly bracket 235. The N translation driving shaft is in transmission connection with an N translation driving motor 251 arranged on the skew rack.

The N2 rotating module comprises N2 rotating tubes respectively arranged on each N2 skew seat. The N2 translational adjustment part comprises N2 translational adjustment shafts respectively arranged on the N2 skew seats.

The N2 translational adjusting shaft comprises a N2 translational shaft front section and a N2 translational shaft rear section which are sequentially arranged along the body length direction, the N2 translational shaft front section is inserted in the N2 rotary pipe, the N2 translational shaft front section and the N2 rotary pipe form a sliding assembly and rotate synchronously along the N1 direction, the N2 translational shaft front section extends out of the N2 rotary pipe and is provided with an N2 skew opening adjusting piece near the end part of the N1 skew part 200, the other end part of the N2 translational shaft front section extending out of the N2 rotary pipe is connected with one end of the N2 translational shaft rear section in a rotating assembly, the other end of the N2 translational shaft rear section is provided with an N2 translational movable block, the N2 translational movable block is arranged on the N2 translational adjusting guide rail in a sliding manner along the N2 direction, the N2 translational adjusting guide rail length direction is consistent with the N2 direction, the N2 translational adjusting guide rail is arranged on the N2 skew assembling bracket in a sliding manner, the N2 skew assembling bracket is provided with the N2 mounting and rotating adjustment tube 2, an N2 threaded pipe section is arranged on the outer pipe wall of the N2 translation adjusting pipe, the length direction of the N2 translation adjusting pipe is consistent with the N1 direction, an N2 translation adjusting nut is assembled on the N2 translation adjusting guide rail, the N2 translation adjusting nut and the N2 threaded pipe section form a screw nut adjusting mechanism, the end part of the N translation driving shaft, which corresponds to the N2 skew part, is recorded as an N2 translation driving shaft section, the N2 translation driving shaft section and the N2 translation adjusting pipe are assembled in a sliding mode along the length direction and rotate synchronously, and the N2 skew assembling support is connected with an N stroke adjusting driving assembly 250 which adjusts the N2 skew assembling support to move along the N1 direction.

As shown in fig. 3 and 4, the skew pitch adjustment drives 218 and 2 of N1 are respectively composed of skew cylinders/electric cylinders of N1 and N2 provided on the skew mounting brackets 235 of N1 and N2. The N stroke adjustment driving assembly 250 is composed of a bidirectional stroke adjustment cylinder/electric cylinder, and piston rods at two sides of the bidirectional stroke adjustment cylinder/electric cylinder are respectively connected with the skew mounting brackets N1 and N2. To adjust the N1, N2 skew-assembled brackets toward or away from each other to bring the N1 skew portion 200 and the N2 skew portion 400 toward or away from each other to grip aluminum pipe.

As shown in figure 5, the clamping fixture for the aluminum pipe deflection at the circuitous position comprises an N1 deflection seat 212, an N1 rotation module 213 is rotatably arranged on the N1 deflection seat 212, an N1 clamping opening 214 for clamping the aluminum pipe deflection position is arranged on the N1 rotation module 213, an N1 deflection adjusting part for adjusting the rotation of the N1 rotation module 213 and an N1 deflection opening adjusting part for adjusting the size of the N1 clamping opening 214 are further arranged on the N1 deflection seat 212.

The N1 rotation module 213 includes an N1 skew adjustment member 224, the N1 skew adjustment member 224 is rotatably mounted on the N1 skew base 212, and further includes an N11 skew member 219 and an N12 skew member 220 which are oppositely arranged, the N11 and the N12 skew members are respectively slidably mounted along the radial direction of the rotation of the N1 skew adjustment member 224, and N11 and N12 skew members are respectively provided with N11 and N12 gripping openings for forming the N1 gripping opening 214.

The twisting pieces N11 and N12 are plate bodies which can slide up and down relatively, an N1 clamping opening 214 is formed between the upper plate body and the lower plate body, and the upper plate body and the lower plate body respectively clamp the upper side and the lower side of the aluminum pipe at the bending position along the height direction.

The N11 and N12 skew pieces are groove-shaped pieces which can also be left and right relative sliding, the N1 clamping opening 214 is formed between the left and right groove-shaped pieces, wherein the inner cavities of the left and right groove-shaped pieces clamp the pipe body of the aluminum pipe at the bending position.

The N11 and N12 skew pieces are provided with an N1 skew port adjusting passive position 223, the N1 skew port adjusting portion comprises an N1 skew port adjusting driving position 222, the N1 skew port adjusting driving position 222 and the N1 skew port adjusting passive position 223 interact with each other, and the N11 and the N12 skew pieces are adjusted to be close to or far away from each other.

The N1 skew opening adjustment driving part 222 is two N1 driving parts arranged in a V shape, the N1 skew opening adjustment driven part 223 is formed by driven slots with the slot length direction consistent with the length direction of the N1 driving part, and the driving parts and the slots form a slope abutting mechanism. The N1 driving member may be an elongated driving block or a pulley.

The N11 and N12 skew elements are slidably mounted on the N1 sliding support 252, the N1 sliding support 252 is connected with the N1 skew adjusting element 224, and the N1 skew adjusting element 224 adjusts the rotation of the N1 sliding support 252.

The N1 skew mouth adjusting part also comprises an N1 skew mouth adjusting piece 226, the N1 skew mouth adjusting piece 226 and the N1 skew mouth adjusting piece 224 are relatively slidably mounted and synchronously rotate, an N1 sliding support 252 is fixedly mounted on the N1 skew mouth adjusting piece 226, an N1 skew mouth adjusting driving part 222 is fixedly mounted on the N1 skew mouth adjusting piece 224, and the N1 skew mouth adjusting piece 226 is adjusted to slide so as to adjust the N11 and the N12 skew mouths to approach or separate from each other.

The N1 sliding support 252 is fixedly arranged on the N1 skew adjusting piece 224, the N1 skew adjusting driving part 222 is fixedly arranged on the N1 skew adjusting piece 226, and the N1 skew adjusting piece 226 is adjusted to slide so as to adjust the N11 and the N12 skew pieces to approach or depart from each other.

The N1 skew adjusting piece 224 is composed of an N1 rotating tube 224, the N1 skew adjusting piece 226 is composed of an N1 translation adjusting shaft 226, the N1 translation adjusting shaft 226 is a spline shaft, the N1 rotating tube 224 is in sliding fit with the spline shaft, the front section of the N1 translation adjusting shaft 226 extends to the end outside the N1 rotating tube 224 and is provided with an N1 skew adjusting driving part 222 or an N1 sliding support 252, and the other end of the N1 translation adjusting shaft 226 is connected with a driving assembly for driving the N1 rotating tube to move.

The end of the N1 rotary tube 224 is provided with an N1 skew adjusting drive 222 or an N1 sliding support 252, and the other end is provided with a gear which is connected with a drive assembly for adjusting the rotation of the gear.

The front section of the N1 translation adjusting shaft 226 extends to the end part outside the N1 rotating pipe 224 and is fixedly provided with two oppositely arranged N1 driving adjusting plates 253, the N11 and N12 skew pieces are positioned between the two N1 driving adjusting plates 253, two driving pieces which are arranged in a V shape are arranged on the plate surfaces of the two N1 driving adjusting plates 253 close to the N11 and the N12 skew pieces, the outer surfaces of the upper groove wall and the lower groove wall of the N11 and the N12 skew pieces are respectively provided with a driven clamping groove, the N11 and the N12 skew pieces are slidably arranged on the N1 sliding support 252, and the N1 sliding support 252 is fixedly arranged on the N1 rotating pipe 224.

As shown in fig. 1 to 5, a method for skewing an aluminum pipe for evaporator production, characterized by: the spacing between the N1 clamping openings 214 and the size of each N1 clamping opening 214, the spacing between the N2 clamping openings and the size of each N2 clamping opening are adjusted according to the shape of the meandering-shaped aluminum pipe bend 110 and the spacing between the bends 110. The circuitous aluminum tubes are laid flat to expose the bending parts 110, the bending parts 110 on the front side correspond to the N1 clamping openings 214, and the bending parts 110 on the rear side correspond to the N2 clamping openings. The distance between each N1 clamping port 214 and each N2 clamping port is adjusted to clamp the aluminum tube. The rotation angle of each N1 clamping port 214 and each N2 clamping port, the distance between each N1 clamping port 214 and the distance between each N2 clamping port are synchronously adjusted according to the required skew angle, wherein the rotation direction of the N1 clamping port 214 is opposite to the rotation direction of the N2 clamping port.

The N1 rotary modules 213 are rotatably mounted on the N1 skew bases 212, the N1 rotary modules 213 are provided with N1 gripping openings 214, the N1 skew bases 212 are slidably mounted on the N1 skew base sliding shafts 234 at intervals in the N2 direction, and the N1 skew distance adjusting portions adjust the distance between the N1 skew bases 212 to adjust the distance between the N1 gripping openings 214.

The N2 rotating modules are respectively rotatably installed on the N2 skew seats, the N2 rotating modules are respectively provided with N2 clamping openings, the N2 skew seats are installed on a sliding shaft of the N2 skew seat at intervals in the N2 direction in a sliding mode, and the N2 skew interval adjusting portion is used for adjusting the interval between the N2 skew seats so as to adjust the interval between the N2 clamping openings.

The N1 and N2 rotating modules are arranged at intervals in a staggered mode along the N2 direction, so that each N1 clamping opening 214 corresponds to each bent part 110 on the front side, and each N2 clamping opening corresponds to each bent part 110 on the rear side.

Two N1 skew spacing adjusting rods 215 are respectively arranged between two adjacent N1 skew bases 212, the end parts, far away from each other, of the two N1 skew spacing adjusting rods 215 are respectively hinged with the N1 skew bases 212, the end parts, close to each other, of the N1 skew spacing adjusting rods 215 are respectively connected with the N1 skew spacing adjusting movable pieces 216, each N1 skew spacing adjusting movable piece 216 is movably installed on each N1 skew spacing adjusting piece 217 along the direction of N2 at intervals, the length direction of each N1 skew spacing adjusting piece 217 is consistent with the direction of N2, and the spacing between the N1 clamping openings 214 is adjusted by adjusting the spacing between the N1 skew spacing adjusting piece 217 and the N1 skew base sliding shaft 234.

Two N2 skew spacing adjusting rods are respectively arranged between two adjacent N2 skew seats, the end parts, far away from each other, of the two N2 skew spacing adjusting rods are respectively hinged with the N2 skew seats, the end parts, close to each other, of the N2 skew spacing adjusting rods are respectively connected with the N2 skew spacing adjusting movable pieces, each N2 skew spacing adjusting movable piece is movably installed on each N2 skew spacing adjusting piece along the N2 direction at intervals, the length direction of each N2 skew spacing adjusting piece is consistent with the N2 direction, and the spacing between the N1 clamping openings 214 is adjusted by adjusting the spacing between the N2 skew spacing adjusting piece and the sliding shaft of the N2 skew seat.

The N1 rotating tubes 224 arranged on the N1 rotating modules 213 are respectively and rotatably mounted on the N1 skew seats 212, and the N1 skew adjusting parts adjust the N1 rotating tubes 224 to synchronously rotate so as to drive the N1 rotating modules 213 to rotate.

And N2 rotating pipes arranged on the N2 rotating modules are respectively and rotatably arranged on the N2 skew seats, and the N2 skew adjusting parts are used for adjusting the N2 rotating pipes to synchronously rotate so as to drive the N2 rotating modules to rotate.

An N11 gear 236 is assembled at the end part of the N1 rotating pipe 224 far away from the N2 skew part, an N12 gear 237 meshed with the N11 gear is arranged above the N11 gear 236, an N11 bevel gear 238 coaxially connected with the N12 gear 237 in a transmission way is arranged outside the N12 gear 237, an N12 bevel gear 239 rotatably installed is further arranged on the N1 skew seat 212, the N12 bevel gear 239 is meshed with the N11 bevel gear 238 in a connection way, the center line of the N12 bevel gear 239 is arranged in parallel with the direction of N2, the N12 bevel gear 239 is slidably assembled with the N1 spline 240, the length direction of the N1 spline 240 is consistent with the direction of N2, the N1 spline 240 is rotatably installed on the N1 skew assembling bracket 235, and each N1 clamping port 214 is driven to rotate by adjusting the rotation of the N1 spline 240.

An N21 gear is assembled at the end part of the N2 rotating pipe, which is far away from the N1 skew part, an N22 gear meshed with the N21 gear is arranged above the N21 gear, an N21 bevel gear coaxially connected with the N22 gear is arranged on the outer side of the N22 gear, an N22 bevel gear rotatably installed on an N2 skew seat is further arranged, an N22 bevel gear is meshed with an N21 bevel gear, the center line of the N22 bevel gear is arranged in parallel with the N2 direction, the N22 bevel gear is slidably assembled with an N2 spline shaft, the length direction of the N2 spline shaft is consistent with the N2 direction, the N2 spline shaft is rotatably installed on an N2 skew assembly bracket, and each N2 clamping port is driven to rotate by adjusting the rotation of the N2 spline shaft.

N11 skew pieces 219 and N12 skew pieces 220 are arranged on each N1 rotary module 213, N11 and N12 skew pieces are respectively provided with N11 and N12 clamp openings for forming an N1 clamping opening 214, N11 and N12 skew pieces are respectively arranged on two sides of a rotary central line of the N1 rotary module 213, N11 and N12 skew pieces are respectively movably installed along the radial direction of the rotation of the N1 rotary module 213, and the distance between the N11 and N12 skew pieces is adjusted through an N1 skew opening adjusting piece so as to adjust the size of the N1 clamping opening 214.

N21 and N22 skew pieces are arranged on each N2 rotating module, N21 and N22 clamping openings used for forming an N2 clamping opening are respectively arranged on the N21 and N22 skew pieces, N21 and N22 skew pieces are respectively arranged on two sides of a rotating center line of the N2 rotating module, N21 and N22 skew pieces are respectively movably installed along the radial direction of the rotation of the N1 rotating module 213, and the size of the N2 clamping opening is adjusted by adjusting the distance between the N21 and N22 skew pieces through the N2 skew opening adjusting pieces.

The N1 skew port adjusting piece is provided with two N1 skew port adjusting driving positions 222, the N11 and the N12 skew pieces are respectively provided with N1 skew port adjusting driven positions 223, the two N1 skew port adjusting driving positions 222 and the two N1 skew port adjusting driven positions 223 form inclined surface driving matching, and the two N1 skew port adjusting driven positions 223 are moved along the N1 direction by adjusting the two N1 skew port adjusting driving positions 222 to realize that the two N1 skew port adjusting driven positions 223 are close to and far away from each other.

The N2 skew port adjusting driving positions are arranged on the N2 skew port adjusting piece, the N21 skew port adjusting driven positions are arranged on the N22 skew port adjusting piece and the N2 skew port adjusting driven positions respectively, the two N2 skew port adjusting driving positions and the two N2 skew port adjusting driven positions form inclined surface driving matching, and the two N2 skew port adjusting driven positions are moved along the N1 direction by adjusting the two N2 skew port adjusting driving positions to enable the two N3524 skew port adjusting driven positions to be close to and far away from each other.

The N1 skew opening adjusting driving part 222 is arranged into two N1 driving parts which are arranged in a V shape, the N1 skew opening adjusting driven part 223 is arranged into an N1 driven clamping groove, the length direction of the groove is consistent with the length direction of the N1 driving part, and the N11 and the N12 skew pieces are driven to move to be close to and away from each other by driving the N1 driving part.

The N2 skew opening adjusting driving part is set into two N2 driving parts which are arranged in a V shape, the N2 skew opening adjusting driven part is set into an N2 driven clamping groove, the groove length direction of the N2 driven clamping groove is consistent with the length direction of the N2 driving part, and the N21 and the N22 skew parts are driven to move to be close to and away from each other by driving the N2 driving part.

The N1 translation adjusting shaft 226 is inserted into the N1 rotating pipe 224 and forms sliding assembly and synchronous rotation, an N1 skew adjusting piece is arranged at the end part, close to the N2 skew part, of the N1 translation adjusting shaft 226, extending out of the N1 rotating pipe 224, and the N1 translation adjusting shaft 226 is adjusted to move in the N1 rotating pipe 224 so as to adjust the two N1 skew adjusting driving parts 222 to move along the N1 direction, so that the two N1 skew adjusting driven parts 223 can move close to and away from each other.

The N2 translation adjusting shaft is inserted into the N2 rotating pipe, the N2 translation adjusting shaft and the N2 rotating pipe form sliding assembly and synchronous rotation, the N2 skew opening adjusting piece is arranged at the end part, extending out of the N2 rotating pipe, of the N2 translation adjusting shaft and close to the N1 skew part, and the N2 skew opening adjusting driven part is enabled to be close to and far away from each other by adjusting the N2 translation adjusting shaft to move in the N2 rotating pipe so as to adjust the two N2 skew opening adjusting driving parts to move along the N1 direction.

The other end of each N1 translational adjusting shaft 226 is slidably mounted on the N1 translational adjusting guide rail 230 along the N2 direction, the N1 translational adjusting guide rail 230 is slidably mounted on the N1 skew assembling bracket 235 along the N1 direction, and the N1 translational adjusting guide rail 230 is adjusted to move so as to adjust each N1 translational adjusting shaft 226 to move in the N1 rotating pipe 224.

The other end of each N2 translational adjusting shaft is arranged on the N2 translational adjusting guide rail in a sliding mode along the direction N2, the N2 translational adjusting guide rail is arranged on the N2 skew assembling bracket in a sliding mode along the direction N1, and each N2 translational adjusting shaft is adjusted to move in the N2 rotating pipe by adjusting the movement of the N2 translational adjusting guide rail.

The working process of the equipment for skewing the aluminum pipe produced by the evaporator comprises the following steps: as shown in fig. 3, the N1 skew spacing adjustment driving member 218 is activated to drive the N1 skew spacing adjustment member 217 to move, and the spacing between the N1 skew seats 212 is adjusted through the equal spacing multi-link adjustment mechanism, and finally the spacing between the N1 clamping openings 214 is adjusted. As shown in fig. 4 and 5, the N translation driving motor 251 is activated to drive the N1 translation adjusting tube 231 to rotate, the N1 translation adjusting guide rail 230 is driven to move through the lead screw nut mechanism, each N1 translation adjusting shaft 226 (including the N1 translation shaft front section 227 and the N1 translation shaft rear section 228) is driven to move, and finally, the distance between the N11 skew piece 219 and the N12 skew piece 220 is adjusted, so as to adjust the size of each N1 clamping opening 214. As shown in fig. 5, the N stroke adjustment driving assembly 250 is activated to drive the N1 skew mounting bracket 235 and the N2 skew mounting bracket to approach each other to clamp the aluminum serpentine tube, wherein the size of each N1 clamping port and the spacing between each N1 clamping ports are matched with the bending position of the aluminum serpentine tube. The starting motor drives the N skew driving shaft 247 to rotate to drive the N12 transmission bevel gear 244 and the N11 transmission bevel gear 245 to rotate, drives the N11 transmission shaft 246 to rotate, drives the N12 bevel gears 239 and the N11 bevel gears 238 to rotate, drives the N224 gears to rotate, finally drives the N1 rotation modules 213 to rotate, and drives the N1 clamping ports 214 to rotate, wherein the rotating direction of the N1 clamping ports 214 is opposite to the rotating direction of the N2 clamping ports, and the distance between the N1 clamping ports 214 and the distance between the N2 clamping ports are synchronously adjusted in the rotating process, so that the situation that the distance between the N1 clamping ports 214 is reduced in the twisting process and the distance between the N2 clamping ports is reduced is adapted.

The invention provides equipment for skewing an aluminum pipe for evaporator production, a method for skewing the aluminum pipe for evaporator production and a clamping fixture for skewing the bent part of the aluminum pipe, which can well realize the skewing treatment of the aluminum pipe to meet the requirement of a specific evaporator. The size of the clamping opening of the aluminum pipe skewing equipment is adjustable, the aluminum pipe can be clamped more tightly, so that the skewing process is more reliable, the distance between the clamping openings is adjustable to meet the clamping requirements of different circuitous aluminum pipes, the application range is wider, and the skewing is more reliable.

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

1. A method for skewing an aluminum tube for evaporator production, characterized by:

adjusting the spacing between the N1 clamping ports and the size of each N1 clamping port, the spacing between the N2 clamping ports and the size of each N2 clamping port according to the shape of the bent part of the circuitous aluminum pipe and the spacing between the bent parts;

the circuitous aluminum pipe is laid flat and exposed at each bending part, each bending part on the front side corresponds to each N1 clamping opening, and each bending part on the rear side corresponds to each N2 clamping opening;

adjusting the distance between each N1 clamping port and each N2 clamping port to clamp the aluminum pipe;

and synchronously adjusting the rotation angle of each N1 clamping port and each N2 clamping port, the distance between each N1 clamping port and the distance between each N2 clamping port according to the required skew angle, wherein the rotation direction of the N1 clamping port is opposite to the rotation direction of the N2 clamping port.

2. A method of skewing an aluminum tube for evaporator production as recited in claim 1, wherein: the N1 rotating modules are respectively rotatably installed on the N1 skew seats, the N1 rotating modules are respectively provided with N1 clamping ports, the N1 skew seats are installed on a N1 skew seat sliding shaft at intervals in the N2 direction in a sliding mode, and the N1 skew interval adjusting parts are used for adjusting the interval between the N1 skew seats so as to adjust the interval between the N1 clamping ports;

the N2 rotating modules are respectively rotatably installed on the N2 skew seats, the N2 rotating modules are respectively provided with N2 clamping ports, the N2 skew seats are installed on a N2 skew seat sliding shaft at intervals in the N2 direction in a sliding mode, and the N2 skew interval adjusting parts are used for adjusting the interval between the N2 skew seats so as to adjust the interval between the N2 clamping ports;

the N1 and N2 rotating modules are arranged at intervals in a staggered mode along the N2 direction, so that the N1 clamping openings correspond to the front-side bent parts, and the N2 clamping openings correspond to the rear-side bent parts.

3. A method of skewing an aluminum tube for evaporator production as recited in claim 2, wherein: two N1 skew spacing adjusting rods are respectively arranged between two adjacent N1 skew seats, the end parts, far away from each other, of the two N1 skew spacing adjusting rods are respectively hinged with the N1 skew seats, the end parts, close to each other, of the N1 skew spacing adjusting rods are respectively connected with the N1 skew spacing adjusting movable pieces, each N1 skew spacing adjusting movable piece is movably installed on each N1 skew spacing adjusting piece along the N2 direction at intervals, the length direction of each N1 skew spacing adjusting piece is consistent with the N2 direction, and the spacing between the N1 clamping openings is adjusted by adjusting the spacing between the N1 skew spacing adjusting piece and the sliding shaft of the N1 skew seat;

two N2 skew spacing adjusting rods are respectively arranged between two adjacent N2 skew seats, the end parts, far away from each other, of the two N2 skew spacing adjusting rods are respectively hinged with the N2 skew seats, the end parts, close to each other, of the N2 skew spacing adjusting rods are respectively connected with the N2 skew spacing adjusting movable pieces, each N2 skew spacing adjusting movable piece is movably installed on each N2 skew spacing adjusting piece along the N2 direction at intervals, the length direction of each N2 skew spacing adjusting piece is consistent with the N2 direction, and the spacing between the N1 clamping openings is adjusted by adjusting the spacing between the N2 skew spacing adjusting piece and the sliding shaft of the N2 skew seat.

4. A method of skewing an aluminum tube for evaporator production as recited in claim 2, wherein: the N1 rotating pipes arranged on the N1 rotating modules are respectively and rotatably arranged on the N1 skew seats, and the N1 skew adjusting parts adjust the N1 rotating pipes to synchronously rotate to drive the N1 rotating modules to rotate;

5. An aluminum pipe skewing method for evaporator production as recited in claim 4, wherein: an N11 gear is assembled at the end part of the N1 rotating pipe, which is far away from the N2 skew part, an N12 gear meshed with the N11 gear is arranged above the N11 gear, an N11 bevel gear coaxially connected with the N12 gear is arranged on the outer side of the N12 gear, an N12 bevel gear rotatably installed on an N1 skew seat is further arranged, an N12 bevel gear is meshed with an N11 bevel gear, the center line of the N12 bevel gear is arranged in parallel with the N2 direction, the N12 bevel gear is slidably assembled with an N1 spline shaft, the length direction of the N1 spline shaft is consistent with the N2 direction, the N1 spline shaft is rotatably installed on an N1 skew assembly bracket, and each N1 clamping port is driven to rotate by adjusting the rotation of the N1 spline shaft;

6. A method of skewing an aluminum tube for evaporator production as recited in claim 2, wherein: arranging N11 and N12 skew pieces on each N1 rotating module, respectively arranging N11 and N12 clamp openings used for forming an N1 clamping opening on each N11 and N12 skew pieces, respectively arranging N11 and N12 skew pieces on two sides of a rotating center line of the N1 rotating module, respectively movably installing the N11 and N12 skew pieces along the radial direction of the rotating of the N1 rotating module, and adjusting the space between the N11 and N12 skew pieces through an N1 skew opening adjusting piece so as to adjust the size of the N1 clamping opening;

n21 and N22 skew pieces are arranged on each N2 rotating module, N21 and N22 clamping openings used for forming an N2 clamping opening are respectively arranged on the N21 and N22 skew pieces, N21 and N22 skew pieces are respectively arranged on two sides of a rotating center line of the N2 rotating module, the N21 and N22 skew pieces are respectively movably installed along the radial direction of the rotating of the N1 rotating module, and the N2 skew opening adjusting pieces are used for adjusting the space between the N21 and N22 skew pieces so as to adjust the size of the N2 clamping opening.

7. A method of skewing an aluminum tube for evaporator production as recited in claim 6, wherein: two N1 skew port adjusting driving positions are arranged on an N1 skew port adjusting piece, N1 skew port adjusting passive positions are respectively arranged on an N11 skew piece and an N12 skew piece, the two N1 skew port adjusting driving positions and the two N1 skew port adjusting passive positions form inclined plane driving matching, and the two N1 skew port adjusting passive positions are close to and far away from each other by adjusting the two N1 skew port adjusting driving positions to move along the N1 direction;

8. A method of skewing an aluminum tube for evaporator production as recited in claim 7, wherein: the N1 skew opening adjusting driving part is set into two N1 driving parts which are arranged in a V shape, the N1 skew opening adjusting driven part is set into an N1 driven clamping groove, the length direction of the groove is consistent with the length direction of the N1 driving part, and the N11 and the N12 skew parts are driven to move to be close to and away from each other by driving the N1 driving part;

9. A method of skewing an aluminum tube for evaporator production as recited in claim 7, wherein: inserting an N1 translation adjusting shaft into an N1 rotating pipe, enabling the N1 translation adjusting shaft and the N1 rotating pipe to form sliding assembly and synchronous rotation, arranging an N1 skew opening adjusting piece at the end part, extending out of the N1 rotating pipe, of the N1 translation adjusting shaft and close to a N2 skew part, and adjusting the N1 translation adjusting shaft to move in the N1 rotating pipe to adjust the two N1 skew opening adjusting driving parts to move along the N1 direction to enable the two N1 skew opening adjusting driven parts to be close to and far away from each other;

10. A method of skewing an aluminum tube for evaporator production as recited in claim 9, wherein: the other end of each N1 translation adjusting shaft is arranged on an N1 translation adjusting guide rail in a sliding mode along the N2 direction, an N1 translation adjusting guide rail is arranged on an N1 skew assembling bracket in a sliding mode along the N1 direction, and each N1 translation adjusting shaft is adjusted to move in an N1 rotating pipe by adjusting the movement of the N1 translation adjusting guide rail;