WO2023005151A1

WO2023005151A1 - Device for bending profile forward and backward at variable curvature

Info

Publication number: WO2023005151A1
Application number: PCT/CN2021/143457
Authority: WO
Inventors: 丁振华; 黄鼎图; 陈通; 骆健; 郑晓宏; 穆生滨
Original assignee: 广州高谱机械科技有限公司
Priority date: 2021-07-26
Filing date: 2021-12-31
Publication date: 2023-02-02
Also published as: CN113547005A; CN113547005B

Abstract

A device for bending a profile forward and backward at a variable curvature, said device comprising: a conveying mechanism (3) and a profile forward and backward bending mechanism (2). The conveying mechanism uses pressure transfer to convey a profile. The profile forward and backward bending mechanism comprises a first forming wheel assembly (2.1), a second forming wheel assembly (2.2) and a forming wheel distance driving assembly. The first forming wheel assembly is provided with a first forming wheel (2.1.1). The second forming wheel assembly is provided with a second forming wheel (2.2.1). The first forming wheel can perform circular motion by using the center of the second forming wheel as a circle center, and the second forming wheel can perform circular motion by using the center of the first forming wheel as a circle center. The first forming wheel assembly and the second forming wheel assembly adjust the distance therebetween by means of the forming wheel distance driving assembly. The positions of the first forming wheel and the second forming wheel are used as profile bending stations, the profile bending stations being opposite to the conveying mechanism. The described device can implement the automatic conveying of a profile as well as the automatic forward bending and/or backward bending of a profile, thereby implementing the automatic bending processing of a profile.

Description

A kind of forward and reverse bending equipment with variable curvature

technical field

The invention relates to the technical field of profile processing, and more specifically, relates to a variable curvature profile forward and reverse bending equipment.

Background technique

In the traditional profile bending process, the bending and forming of profiles cannot realize the forming of arbitrary bending angles, mainly relying on artificial secondary forming, which requires a large amount of labor and low productivity. Especially for some profiles with larger or thicker diameters, the labor intensity of the workers is extremely high, and often the ideal bending shape cannot be achieved.

In order to meet the profile bending process, there are some variable curvature profile bending equipment on the market. Most of these profile bending equipment are based on the principle of three-point circle, and use the relative position change and rotational movement of the work roll to produce continuous plastic deformation of the profile. In order to obtain profile workpieces of predetermined shape. However, the profile bending equipment on the market can only bend the profiles in the same direction with variable curvature. If it is necessary to process the profiles in both positive and negative directions, two feeding processes are still required: first, press the positive circle on the profile workpiece. Arc, and then take out the profile workpiece and change the direction and position to press the reverse arc. This processing method is cumbersome, time-consuming and laborious, and requires repeated adjustments to the placement angle of the profile to make the bent profile meet the design requirements. It cannot guarantee the accuracy of the transition position of the positive and negative arcs, thereby affecting the processing quality of the profile. and precision.

In addition, the transmission mechanism of the existing profile bending equipment can only realize the function of profile conveying. Since the transmission mechanism has a single function and low practicability, it cannot meet the needs of the existing profile bending processing.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings and deficiencies in the prior art, and provide a variable curvature forward and reverse bending equipment for profiles; the forward and reverse bending equipment for profiles can realize automatic transmission of profiles and automatic forward and/or reverse bending of profiles Bending, so as to realize the automatic bending processing of profiles; at the same time, the forward and reverse bending equipment of profiles can realize forward bending and/or reverse bending of profiles with variable curvature, thereby improving the efficiency of profile bending and the quality of profile bending processing.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a variable curvature profile forward and reverse bending equipment, which is characterized in that it includes: a transmission mechanism for conveying the profile and a bending process for the profile Profile positive and negative bending mechanism;

The conveying mechanism conveys the profile by way of pressure conveying;

The profile positive and negative bending mechanism includes a first forming wheel assembly, a second forming wheel assembly and a forming wheel distance drive assembly; the first forming wheel assembly is provided with a first forming wheel, and the second forming wheel assembly is provided with a second forming wheel assembly. wheel; the first forming wheel can move in a circle with the center of the second forming wheel as the center of circle, and the second forming wheel can move in a circle with the center of the first forming wheel as the center of circle; the first forming wheel assembly and the second forming wheel The component adjusts the distance between the two through the distance between the forming wheel and the driving component; the position between the first forming wheel and the second forming wheel is used as a profile bending station, and the profile bending station is set opposite to the transmission mechanism; when working, pass Control and adjust the relative position of the first forming wheel assembly and the second forming wheel assembly to realize the forward and reverse bending of the variable curvature of the profile.

In the above solution, the conveying mechanism of the present invention conveys the profiles in the form of pressure transmission, which can realize efficient and rapid conveying of the profiles. In addition, the first forming wheel and the second forming wheel of the present invention can both perform circular motions as the center of each other, and the distance between them can be adjusted mutually, so that not only can the profile of the profile bending station realize forward bending and reverse bending. The curvature of the forward and reverse bending of the profile can be adjusted according to the processing requirements, so that the forward and reverse bending processing of the variable curvature of the profile can be realized on the same platform equipment, so as to improve the bending processing efficiency and ensure the smooth transition of the positive and negative arcs. Improve the quality of profile bending.

The conveying mechanism conveys the profile by means of pressure transmission means: the conveying mechanism includes a pressing wheel assembly 1 with several pressing wheels 1 and a pressing wheel assembly 2 with several pressing wheels 2 The pinch wheel 1 of the pinch wheel assembly 1 and the pinch wheel 2 of the pinch wheel assembly 2 are staggered; the position between the pinch wheel assembly 1 and the pinch wheel assembly 2 is used as the transmission station of the profile; The pressure wheel 1 of the pressure wheel assembly 1 is a power wheel, and the pressure wheel 2 of the pressure wheel assembly 2 can move horizontally along the vertical direction of the profile conveying direction; when working, adjust the distance between the pressure wheel 2 and the pressure wheel 1 And control the rotation of the pressure wheel 1 to realize the transmission and stress relief pretreatment of the profiles.

The conveying mechanism of the present invention can adjust the distance between the pressure wheel two and the pressure wheel one along the vertical direction of the profile transmission direction according to the bending parameters of the subsequent bending of the profile (the bending parameters include the bending direction and the bending curvature, etc.). 2. During the turning process, the profile can be conveyed and bent, and the profile can be kneaded to make the profile deformed at the transfer station, and then straightened to realize the stress-relief pretreatment of the profile. The profiles conveyed by the conveying mechanism can be bent and formed at one time in the subsequent bending process, thereby improving the bending efficiency and bending quality of the profiles.

Described pinch wheel assembly one also comprises pinch wheel-driving device and pinch wheel-transmission device; Described pinch wheel-drive device is connected with pinch wheel one by pinch wheel-transmission device, realizes driving pinch wheel - synchronous rotation;

The pressing wheel-transmission device includes an input gear, a driving gear and a transmission gear set; the number of the driving gear is equal to that of the pressing wheel one and is coaxially connected with the pressing wheel, and the driving gear is engaged with the transmission gear set; The input gear is connected with the output shaft of the pressing wheel-driving device and meshed with the driving gear, so as to drive the pressing wheel to rotate synchronously.

The present invention also includes a combined pinch wheel assembly and an auxiliary pinch wheel assembly; A synchronously rotating power wheel; the combined pressing wheel assembly is on the same side as the pressing wheel assembly two, and is provided with a combined pressing wheel, which can move horizontally along the vertical direction of the profile conveying direction. The transmission mechanism of the present invention can perform recompensation correction and/or clamping transmission on the profiles by combining the pressing wheel assembly and the auxiliary pressing wheel assembly.

The combined pinch wheel assembly also includes a combined pinch wheel driving device, a combined pinch wheel sliding seat, a combined pinch wheel base plate and a combined pinch wheel transmission device; On the seat, the combined pressing wheel is connected to the bottom plate of the combined pressing wheel; the driving device of the combined pressing wheel is connected with the sliding seat of the combined pressing wheel through the driving device of the combined pressing wheel to realize the combination of driving the combined pressing wheel on the sliding seat. The pressing wheel moves horizontally along the vertical direction of the profile conveying direction;

The combined pressing wheel assembly also includes a combined pressing wheel shaft and a bearing; the combined pressing wheel bottom plate is provided with a mounting hole, the combined pressing wheel is passed through the combined pressing wheel shaft, and the combined pressing wheel shaft passes through the bearing and Mounting hole connection;

The mounting hole is set on the center line of the combined pressing wheel base plate, and the combined pressing wheel installed on the mounting hole is set opposite to the auxiliary pressing wheel; when working, the auxiliary pressing wheel and the pressing wheel are controlled to rotate synchronously, Realize the clamping and transmission of profiles;

Or, the mounting hole is set on the center line of the combined pressing wheel bottom plate, and the combined pressing wheel and the auxiliary pressing wheel installed on the mounting hole are arranged in a staggered manner; during work, adjust the combined pressing wheel and the auxiliary pressing wheel The distance between the wheels and the synchronous rotation of the auxiliary pressing wheel and the pressing wheel are controlled to realize the auxiliary pretreatment of the profile.

The profile forward and reverse bending mechanism also includes a rotating assembly for driving the first forming wheel assembly and the second forming wheel assembly to rotate, and the rotating assembly is provided with a rotating base; the first forming wheel assembly and the second forming wheel assembly pass through The forming wheel distance driving assembly is arranged on the rotating base.

The adjustment of the relative position of the first forming wheel assembly and the second forming wheel assembly through control refers to: controlling the distance between the forming wheel and the driving assembly to drive the second forming wheel assembly to the center of the rotating base, and controlling the rotating assembly to drive the first forming wheel around the second Rotating the forming wheel; and/or controlling the distance between the forming wheel and the driving assembly to adjust the distance from the first forming wheel assembly to the second forming wheel assembly, so as to adjust the relative positions of the first forming wheel assembly and the second forming wheel assembly;

Alternatively, adjusting the relative positions of the first forming wheel assembly and the second forming wheel assembly through control means: controlling the distance between the forming wheel and the driving assembly to drive the first forming wheel assembly to the center of the rotating base, and controlling the rotating assembly to drive the second forming wheel to rotate The first forming wheel rotates; and/or controlling the distance between the forming wheel and the driving assembly to adjust the distance from the second forming wheel assembly to the first forming wheel assembly, so as to adjust the relative positions of the first forming wheel assembly and the second forming wheel assembly.

The principle of driving the rotation of the first forming wheel assembly and the second forming wheel assembly in the present invention is: adopting the principle that the angular velocity of the center of the circle is constant, setting the first forming wheel/second forming wheel at the center of the rotating base, and the second forming wheel located on the rotating base The second forming wheel/the first forming wheel is driven to rotate around the first forming wheel/the second forming wheel through the rotating base. During processing, the distance between the first forming wheel assembly and the second forming wheel assembly can be adjusted according to processing requirements. The present invention adopts a simple mechanical structure to realize forward and reverse bending with variable curvature.

The forming wheel distance driving assembly includes a first forming wheel distance driving device and a second forming wheel distance driving device with the same structure; the first forming wheel distance driving device and the second forming wheel distance driving device both include a forming wheel distance adjustment Driving part, gear transmission part and lead screw transmission part; the forming wheel distance adjustment driving part is connected with the lead screw transmission part through the gear transmission part, and the lead screw transmission part of the first forming wheel distance driving device is connected with the first forming wheel assembly The screw transmission part of the second forming wheel distance driving device is connected with the second forming wheel assembly, so that the first forming wheel distance driving device drives the first forming wheel assembly to move, and the second forming wheel distance driving device drives the second forming wheel assembly sports.

The profile forward and reverse bending mechanism also includes a translation assembly for driving the translation of the first forming wheel assembly and the second forming wheel assembly; the rotating base is arranged on the translation assembly. The present invention can realize the translation of the first molding wheel assembly and the second molding wheel assembly through the translation assembly, thereby adjusting the position of the profile bending station, which can be matched with the front profile feeding mechanism correspondingly.

The profile forward and reverse bending mechanism also includes an upward bending assembly for pushing the profile to bend upward; the upward bending assembly is arranged at the rear end of the profile bending station along the profile conveying direction. The up-bending assembly provided in the present invention can bend up the profile after forward and reverse bending, so that the profile forward and reverse bending mechanism has the characteristics of three-dimensional processing, and the three-dimensional processing can be realized on the same operating platform, thereby improving the profile bending process practicality.

The principle of the transmission mechanism of the present invention for preprocessing the profile is as follows: the present invention uses the bending parameters after the profile is formed to adjust the distance between the pressure wheel 2 and the pressure wheel 1, that is, the track route of the subsequent forming is set to adjust the setting The position of the pressure wheel two. In this way, the delivered profile can be bent to cause the profile to deform, and the profile can be transported according to the trajectory to realize stress relief pretreatment. During the pretreatment process, each pressing wheel 1 and pressing wheel 2 will cause the profile to bend and deform, and the profile will be bent repeatedly to eliminate the uneven curvature, so that the bending curvature will gradually decrease from large to large, so that the profile raw material Straighten.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

1. The forward and reverse bending equipment of the variable curvature profile of the present invention can realize the automatic transmission of the profile and the automatic forward bending and/or reverse bending of the profile, thereby realizing the automatic bending processing of the profile; at the same time, the positive and negative bending equipment of the profile can realize the variable The curvature is forward bending and/or reverse bending, thereby improving the efficiency of profile bending and the quality of profile bending process.

2. The conveying mechanism of the present invention can not only transport profiles, but also perform stress-relief pretreatment on profiles to be bent, so that the subsequent profile processing can be bent and formed at one time, thereby improving the bending efficiency and bending quality of profiles.

Description of drawings

Fig. 1 is the schematic diagram of profile positive and negative bending equipment of the present invention;

Fig. 2 is a schematic diagram 1 of the profile forward and reverse bending mechanism in the profile forward and reverse bending equipment of the present invention (wherein, the arrow is the profile conveying direction);

Fig. 3 is a schematic diagram 2 of the profile forward and reverse bending mechanism in the profile forward and reverse bending device of the present invention;

Fig. 4 is an internal schematic diagram of the profile forward and reverse bending mechanism in the profile forward and reverse bending device of the present invention;

Fig. 5 is a schematic diagram of the transmission mechanism in the profile forward and reverse bending equipment of the present invention;

Fig. 6 is an internal schematic diagram of the transmission mechanism in the profile forward and reverse bending equipment of the present invention;

Fig. 7 is a schematic plan view of the transmission mechanism in the forward and reverse bending equipment of the profile of the present invention;

Fig. 8 is a schematic side view of the transmission mechanism in the profile forward and reverse bending equipment of the present invention;

Fig. 9 is an internal schematic diagram of the pressure wheel assembly 2 in the transmission mechanism of the forward and reverse bending equipment of profiles of the present invention;

Fig. 10 is an internal schematic view of the combined pressing wheel assembly in the transmission mechanism of Embodiment 1;

Fig. 11 is a schematic diagram of a combined pressing wheel base plate in Embodiment 1;

Fig. 12 is the schematic diagram of the bottom plate of combined pressing wheel of embodiment two;

Fig. 13 is a schematic top view of the transmission mechanism of the second embodiment;

Fig. 14 is a schematic top view of the transmission mechanism of Embodiment 3;

Among them, 1 is the machine base, 2 is the positive and negative bending mechanism of the profile, 2.1 is the first forming wheel assembly, 2.1.1 is the first forming wheel, 2.1.2 is the axle of the first forming wheel, and 2.1.3 is the first forming wheel Wheel seat, 2.2 is the second forming wheel assembly, 2.2.1 is the second forming wheel, 2.2.2 is the second forming wheel axle, 2.2.3 is the second forming wheel seat, 2.3 is the rotating base, 2.4 is the hydraulic motor 1. 2.5 is the gear pair, 2.6 is the rotary connection seat, 2.7 is the hydraulic motor 2, 2.8 is the gear transmission part, 2.9 is the screw transmission part, 2.10 is the linear guide rail 1, 2.11 is the linear guide rail 3, 2.12 is the translation seat, 2.13 2.15 is the translational hydraulic cylinder, 2.16 is the hydraulic cylinder, 2.17 is the connecting seat, 2.18 is the linear guide rail 2, 2.19 is the rotating base, 2.20 is the rotating seat, 2.21 is the rotating sleeve, 2.22 is the axle, 2.23 is the guide Rod, 2.24 is the encoder, 2.25 is the speed measuring gear, 2.26 is the synchronous pulley, 2.27 is the synchronous belt, 3 is the transmission mechanism, 3.1 is the pressure wheel 1, 3.2 is the pressure wheel 2, 3.3 is the workbench, 3.4 is the press Compression wheel-hydraulic motor, 3.5 is the input gear, 3.6 is the driving gear, 3.7 is the transmission gear set, 3.8 is the second stepping motor of the pressure wheel, 3.9 is the second sliding seat of the pressure wheel, 3.10 is the second installation shaft of the pressure wheel, 3.11 is the screw rod 1, 3.12 is the auxiliary pressing wheel, 3.13 is the combined pressing wheel, 3.14 is the stepping motor of the combined pressing wheel, 3.15 is the sliding seat of the combined pressing wheel, 3.16 is the bottom plate of the combined pressing wheel, and 3.17 is the combination Compression wheel shaft, 3.18 is the second screw, 3.19 is the bearing, 3.20 is the installation hole, 3.21 is the auxiliary drive gear, 3.22 is the auxiliary transmission gear set, 4 is the supporting component, 4.1 is the supporting wheel, 4.2 is the bracket, 4.3 is Adjustable support frame, 5 is the pressure wheel assembly, 6 is the speed measurement assembly, 6.1 is the speed measurement wheel, 6.2 is the speed measurement wheel shaft, 6.3 is the speed measurement encoder, 6.4 is the spring, 6.5 is the speed measurement mounting seat, and 6.6 is the support plate.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

As shown in Figures 1 to 11, the variable curvature profile forward and reverse bending equipment of the present invention includes: a machine base 1, a transmission mechanism 3 for conveying the profile, and a profile forward and reverse bending mechanism for bending the profile 2. Among them, the transmission mechanism 3 adopts the method of pressure transmission to convey the profile, and is set on the machine base 1; the profile forward and reverse bending mechanism 2 includes the first forming wheel assembly 2.1, the second forming wheel assembly 2.2 and the forming wheel distance drive components. The first forming wheel assembly 2.1 is provided with a first forming wheel 2.1.1, and the second forming wheel assembly 2.2 is provided with a second forming wheel 2.2.1, wherein the first forming wheel 2.1.1 can replace the second forming wheel 2.2.1 The center is used as the center of the circle to perform circular motion. The second forming wheel 2.2.1 can use the center of the first forming wheel 2.1.1 as the center of the circle to perform circular motion. The first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 are adjusted by the forming wheel distance drive assembly The distance between the two, the position between the first molding wheel 2.1.1 and the second molding wheel 2.2.1 is used as the profile bending station, and the profile bending station is set opposite to the transmission mechanism 3; The relative position of the first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 realizes forward and reverse bending with variable curvature.

The present invention also includes a rotating assembly for driving the first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 to rotate, the rotating assembly includes a rotating base 2.3, a hydraulic motor 1 2.4, a gear pair 2.5 and a rotating connection seat 2.6, wherein the hydraulic The motor one 2.4 is connected with the gear pair 2.5, the rotating base 2.3 is coaxially connected with the rotating connecting seat 2.6, and the hydraulic motor one 2.4 drives the rotating connecting seat 2.6 to rotate through the gear pair 2.5 to drive the rotating base 2.3 to rotate. The first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 are respectively arranged on the rotating base 2.3 through the forming wheel distance driving assembly.

The above adjustment of the relative position of the first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 through control refers to: controlling the distance between the forming wheel and the driving assembly to drive the second forming wheel assembly 2.2 to the center of the rotating base 2.3, and controlling the rotating assembly to drive the first forming wheel 2.1.1 Rotate around the second forming wheel 2.2.1; and/or control the distance between the forming wheel and the driving assembly to adjust the distance from the first forming wheel assembly 2.1 to the second forming wheel assembly 2.2, to realize the adjustment of the first forming wheel assembly 2.1 and the second Relative position of forming wheel assembly 2.2. Alternatively, adjusting the relative positions of the first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 through control means: controlling the distance between the forming wheel and the driving assembly to drive the first forming wheel assembly 2.1 to the center of the rotating base 2.3, and controlling the rotating assembly to drive the second The forming wheel 2.2.1 rotates around the first forming wheel 2.1.1; and/or control the distance between the forming wheel and the driving assembly to adjust the distance from the second forming wheel assembly 2.2 to the first forming wheel assembly 2.1, so as to realize the adjustment of the first forming wheel assembly 2.1 and Relative position of the second forming wheel assembly 2.2.

The first forming wheel assembly 2.1 of the present invention also includes a first forming wheel axle 2.1.2 and a first forming wheel seat 2.1.3, wherein the first forming wheel axle 2.1.2 is connected to the first forming wheel seat 2.1 through a bearing .3 connection, the first forming wheel 2.1.1 is mounted on the first forming wheel axle 2.1.2. The second forming wheel assembly 2.2 also includes a second forming wheel axle 2.2.2 and a second forming wheel seat 2.2.3, wherein the second forming wheel axle 2.2.2 is connected to the second forming wheel seat 2.2.3 through a bearing , the second forming wheel 2.2.1 is installed on the second forming wheel axle 2.2.2.

The forming wheel distance driving assembly of the present invention includes a first forming wheel distance driving device and a second forming wheel distance driving device with the same structure, wherein the first forming wheel distance driving device and the second forming wheel distance driving device both include hydraulic motors 2.7, gear transmission part 2.8, lead screw transmission part 2.9, linear guide rail one 2.10 and slider, wherein, pressure motor two 2.7 is connected with lead screw transmission part 2.9 through gear transmission part 2.8, and the distance between the first forming wheel and the lead screw of the driving device The transmission part 2.9 is connected with the first forming wheel assembly 2.1, and the lead screw transmission part 2.9 of the second forming wheel distance driving device is connected with the second forming wheel assembly 2.2, so as to realize the drive of the first forming wheel from the pressure motor 2.7 of the driving device. The forming wheel assembly 2.1 moves, and the pressure motor 2.7 of the second forming wheel distance driving device drives the second forming wheel assembly 2.2 to move. The linear guide rail 1 2.10 is arranged on both sides of the lead screw transmission part 2.9, and the first forming wheel assembly 1 is slidably connected with the linear guide rail 1 2.10 of the first forming wheel distance driving device through a slider; the second forming wheel assembly 2.2 is connected with The second forming wheel is slidably connected to the linear guide rail of the driving device at a distance of 2.10.

The profile positive and negative bending mechanism 2 of the present invention also includes a translation assembly for driving the first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 to translate. The translation assembly includes a linear guide rail 3 2.11, a translation seat 2.12, a translation flange 2.13 and a translation The hydraulic cylinder 2.15, wherein the translation seat 2.12 is slidingly connected with the linear guide rail 3 2.11 through the slider, and the translation hydraulic cylinder 2.15 is connected with the translation seat 2.12 through the translation flange 2.13, so as to drive the translation seat 2.12 to translate on the linear guide rail 3 2.11. While the rotating base 2.3 is arranged on the translation seat 2.12, the present invention can realize the translation of the first forming wheel assembly 2.1 and the second forming wheel assembly 2.2 through the translation assembly, thereby adjusting the position of the profile bending station, which can be compared with the front profile The feeding mechanism cooperates accordingly.

The profile forward and reverse bending mechanism 2 of the present invention also includes an upward bending assembly for pushing the profile to bend upward, and the upward bending assembly is arranged at the rear end of the profile bending station along the profile conveying direction (arrow in FIG. 2 ). The up-bending assembly provided in the present invention can bend up the profile after forward and reverse bending, so that the profile forward and reverse bending mechanism has the characteristics of three-dimensional processing, and the three-dimensional processing can be realized on the same operating platform, thereby improving the profile bending process practicality. Specifically, the upward bending assembly includes a hydraulic cylinder 2.16, a connecting seat 2.17, a linear guide rail 2.18, a rotating base 2.19, a rotating seat 2.20, a rotating bushing 2.21 and an axle 2.22 for supporting profiles, wherein the rotating seat 2.20 The axle sleeve 2.21 is connected with the rotating base 2.19, and the wheel shaft 2.22 is arranged on the rotating seat 2.20, so that the wheel shaft 2.22 can rotate according to the shape of the profile to fit the profile. The rotating base 2.19 is slidably connected with the linear guide rail 2 2.18 by a slide block, so that the horizontal position of the wheel shaft 2.22 can be automatically adjusted according to the position of the profile. The linear guide rail 2 2.18 is arranged on the connecting seat 2.17, and the hydraulic cylinder 2.16 is connected with the connecting seat 2.17 to realize the rising of the driving connecting seat 2.17, so that the wheel shaft 2.22 fits the profile and bends the profile upward. In order to improve the stability of the connection seat 2.17 lifting, a guide rod 2.23 pierced on the connection seat 2.17 is also provided.

The profile forward and reverse bending mechanism 2 of the present invention also includes a detection assembly and a controller for detecting the rotation speed of the first forming wheel assembly 2.1 or the second forming wheel assembly 2.2, wherein the detection assembly includes an encoder 2.24 connected to the controller, two A synchronous pulley 2.26, a synchronous belt 2.27 and a speed measuring gear 2.25 connected with the rotating connection seat 2.6, wherein one synchronous pulley 2.26 is coaxially connected with the speed measuring gear 2.25, and the other synchronous pulley 2.26 is coaxially connected with the encoder 2.24 , two synchronous belt pulleys 2.26 are connected by synchronous belt 2.27, and the rotation angle of the first molding wheel assembly 2.1 or the second molding wheel assembly 2.2 on the rotating assembly is detected by the encoder 2.24, and the operator can obtain the rotation parameters through the controller.

The conveying mechanism of the present invention comprises a workbench 3.3, a pressure wheel assembly one with four pressure wheels one 3.1 and a pressure wheel assembly two with four pressure wheels two 3.2, wherein the pressure wheel assembly one and The pinch wheel assembly 2 is arranged on the workbench 3.3, and the pinch wheel 3.1 of the pinch wheel assembly 1 and the pinch wheel 2 3.2 of the pinch wheel assembly 2 are arranged in a staggered manner; the pinch wheel assembly 1 and the pinch wheel assembly 2 The position between them is used as the transfer station for profiles. The pressure wheel one 3.1 of the pressure wheel assembly one of the present invention is a power wheel, and the pressure wheel two 3.2 of the pressure wheel assembly two can move horizontally along the vertical direction of the profile conveying direction; during work, adjust the pressure wheel two 3.2 and The distance between the pinch wheel 3.1 and the control of the rotation of the pinch wheel 3.1 realize the transmission and stress relief pretreatment of the profiles.

Specifically, the pressing wheel assembly of the present invention also includes a pressing wheel-hydraulic motor 3.4, an input gear 3.5, a driving gear 3.6 and a transmission gear set 3.7, wherein the driving gear 3.6 is equal in number to the pressing wheel-3.1 and Coaxially connected with the pressure wheel 3.1, the pressure wheel 3.1 is installed on the installation shaft, the installation shaft is connected with the worktable 3.3 through the bearing, the driving gear 3.6 is meshed with the transmission gear set 3.7, and the input gear 3.5 is connected with the pressure wheel The output shaft of a hydraulic motor 3.4 is connected and meshed with two drive gears 3.6, so as to realize the synchronous rotation of the drive pinch wheel 3.1.

The pressure wheel assembly 2 of the present invention also includes a pressure wheel 2 stepper motor 3.8, a pressure wheel 2 sliding seat 3.9, a pressure wheel 2 installation shaft 3.10, a screw rod 1 3.11 and a nut 1, wherein the pressure wheel 2 3.2 Threaded on the second mounting shaft 3.10 of the pressing wheel, the second mounting shaft 3.10 of the pressing wheel is set on the sliding seat 3.9 of the second pressing wheel through a bearing, and the nut one is threaded on the first screw rod 3.11 and connected with the second sliding seat of the pressing wheel 3.9 connection, the stepping motor 3.8 of the pressure wheel 2 is connected with the screw rod 1 3.11 to realize the rotation of the screw rod 1 3.11 to drive the pressure wheel 2 3.2 on the pressure wheel 2 sliding seat 3.9 to move horizontally along the vertical direction of the profile transmission direction .

The present invention also includes a combined pressing wheel assembly and an auxiliary pressing wheel assembly, the auxiliary pressing wheel assembly is on the same side as the pressing wheel assembly and side by side, and is provided with two auxiliary pressing wheels 3.12, the auxiliary pressing wheels 3.12 are Compression wheel 1 3.1 is a power wheel that rotates synchronously, and the combined pressure wheel assembly is on the same side as the pressure wheel assembly 2, and is provided with two combined pressure wheels 3.13, and the combined pressure wheel 3.13 can be along the vertical direction of the profile conveying direction Move horizontally. The transmission mechanism of this embodiment can carry out clamping and transmission of the profile by combining the pressing wheel assembly and the auxiliary pressing wheel assembly.

The combined pressing wheel assembly of the present invention also includes combined pressing wheel stepper motor 3.14, combined pressing wheel sliding seat 3.15, combined pressing wheel bottom plate 3.16, combined pressing wheel shaft 3.17, screw rod 2 3.18, bearing 3.19 and nut 2 , wherein the combined pressing wheel bottom plate 3.16 is set on the combined pressing wheel sliding seat 3.15, the combined pressing wheel base plate 3.16 is provided with a mounting hole 3.20, the combined pressing wheel 3.13 is set on the combined pressing wheel shaft 3.17, and the combined pressing wheel Wheel shaft 3.17 is connected with mounting hole 3.20 by bearing 3.19. Nut 2 is installed on screw mandrel 2 3.18 and is connected with combined pressing wheel sliding seat 3.15, combined pressing wheel stepper motor 3.14 is connected with screw mandrel 2 3.18 to realize driving screw mandrel 2 3.18 to rotate to drive combined pressing wheel to slide The combination pressing wheel 3.13 on the seat 3.15 moves horizontally along the vertical direction of the profile conveying direction.

The auxiliary pressing wheel assembly of the present invention also includes an auxiliary driving gear 3.21 and an auxiliary transmission gear set 3.22, the number of the auxiliary driving gear 3.21 is equal to that of the auxiliary pressing wheel 3.12 and is coaxially connected with the auxiliary pressing wheel 3.12, and the auxiliary pressing wheel 3.12 It is installed on the installation shaft, and the installation shaft is connected with the workbench 3 through bearings. The auxiliary drive gear 3.21 is meshed with the auxiliary drive gear set 3.22 and the drive gear set 3.7 respectively. When the pressure wheel 1 3.1 rotates, it can drive the auxiliary drive gear 3.21 synchronous rotation.

The installation holes 3.20 of the two combination compression wheel base plates 3.16 in this embodiment are all arranged on the center line of the combination compression wheel base plate 3.16, and the two combination compression wheels 3.13 and auxiliary compression wheels 3.12 respectively installed on the installation holes 3.20 Relatively set; when working, control the two auxiliary pinch wheels 3.13 and the pinch wheel 1 3.1 to rotate synchronously, so as to realize the clamping and transmission of the profiles. The position of combined pressing wheel 3.13 can be adjusted according to profile width.

The present invention also includes a support assembly 4 for supporting profiles, which is arranged at the inlet end of the transfer station, and includes a support wheel 4.1, a bracket 4.2 and an adjustable support frame 4.3, wherein the bracket 4.2 is connected with the workbench 3.3, and the supporting wheel 4.1 is installed on the adjustable supporting frame 4.3 through the wheel shaft, and the adjustable supporting frame 4.3 is adjustablely connected with the supporting frame 4.2, so that the position of the supporting wheel 4.1 can be adjusted.

The present invention also includes a pressing wheel assembly 5 for assisting profile transfer; the pressing wheel assembly 5 is arranged at the front end of the transfer station along the profile transfer direction, and the pressing wheel assembly 5 and the pressing wheel assembly are on the same side and side by side.

The present invention also includes a speed measuring assembly 6 for detecting the conveying length of profiles. The speed measuring assembly 6 includes a speed measuring wheel 6.1, a speed measuring wheel shaft 6.2, a speed measuring encoder 6.3, a support plate 6.6 and a speed measuring mounting seat 6.5, wherein the speed measuring mounting seat 6.5 has two plates It is composed of a pin connection, a spring 6.4 for buffering is set between the two plates, a support plate 6.6 is set on the workbench 3.3 and bears on the speed measuring mounting seat 6.5, the speed measuring wheel shaft 6.2 is installed on the speed measuring mounting seat 6.5, and the speed measuring wheel shaft 6.2 One end is connected to the speed measuring encoder 6.3, and the other end is connected to the speed measuring wheel 6.1. The speed measuring wheel 6.1 extends into the transmission station and rotates synchronously with the conveyed profile.

Embodiment two

This embodiment differs from Embodiment 1 only in that: as shown in Figure 12 and Figure 13, the mounting holes 3.20 of the two combined pressing wheel base plates 3.16 in this embodiment are biased to be set on the center line of the combined pressing wheel base plate 3.16 , the combined pressing wheel 3.13 installed on the mounting hole 3.20 is set in a staggered manner with the auxiliary pressing wheel 3.12. During work, the distance between the combined pressing wheel 3.13 and the auxiliary pressing wheel 3.12 can be adjusted according to the bending parameters (bending direction and bending curvature, etc.) , to realize the auxiliary pretreatment of the profile, which can compensate and correct the profile again.

Other structures of this embodiment are consistent with Embodiment 1.

Embodiment Three

This embodiment differs from Embodiment 1 only in that: as shown in Figure 14, the installation hole 3.20 of one of the combined pressing wheel base plates 3.16 in this embodiment is biased to be arranged on the center line of the combined pressing wheel base plate 3.16, and is installed on The combined pinch wheel 3.13 on the mounting hole 3.20 is arranged in a staggered manner with the auxiliary pinch wheel 3.12, and the figure of the combined pinch wheel base plate is as shown in Figure 12. The installation holes 3.20 of another combined compression wheel base plate 3.16 in this embodiment are all arranged on the centerline of the combined compression wheel base plate 3.16, and the two combined compression wheels 3.13 and auxiliary compression wheels 3.12 respectively installed on the installation holes 3.20 Relatively set, the figure of combined pinch wheel bottom plate is shown in Figure 11.

During work, the distance between one combined pressing wheel 3.13 and the auxiliary pressing wheel 3.12 can be adjusted according to the bending parameters of the subsequent bending of the profile, and the position of the other combined pressing wheel 3.13 can be adjusted according to the width of the profile to control the auxiliary pressing wheel 3.12 It rotates synchronously with the pressing wheel 1 3.1 to realize the auxiliary pretreatment and clamping transmission of the profiles. In this way, a combined pressing wheel 3.13 can be used to compensate and correct the profiles again.

Other structures of this embodiment are consistent with Embodiment 1.

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplifications should be equivalent replacement methods, and all are included in the protection scope of the present invention.

Claims

A variable-curvature profile forward and reverse bending equipment, characterized in that it includes: a transmission mechanism for conveying profiles and a profile forward and reverse bending mechanism for bending the profiles;

The conveying mechanism conveys the profile by way of pressure conveying;

The profile positive and negative bending mechanism includes a first forming wheel assembly, a second forming wheel assembly and a forming wheel distance drive assembly; the first forming wheel assembly is provided with a first forming wheel, and the second forming wheel assembly is provided with a second forming wheel assembly. wheel; the first forming wheel can move in a circle with the center of the second forming wheel as the center of circle, and the second forming wheel can move in a circle with the center of the first forming wheel as the center of circle; the first forming wheel assembly and the second forming wheel The component adjusts the distance between the two through the distance between the forming wheel and the driving component; the position between the first forming wheel and the second forming wheel is used as a profile bending station, and the profile bending station is set opposite to the transmission mechanism; when working, pass Control and adjust the relative position of the first forming wheel assembly and the second forming wheel assembly to realize the forward and reverse bending of the variable curvature of the profile.
The forward and reverse bending equipment with variable curvature profile according to claim 1, characterized in that: the conveying mechanism uses pressure transmission to convey the profile means: the conveying mechanism includes a The pressure wheel assembly one and the pressure wheel assembly two with several pressure wheel two, the pressure wheel one of the pressure wheel assembly one and the pressure wheel two of the pressure wheel assembly two are arranged in a staggered manner; the pressure wheel The position between component one and pinch wheel component two is used as the transmission station of the profile; the pinch wheel one of the pinch wheel component one is a power wheel, and the pinch wheel two of the pinch wheel component two can move along the profile conveying direction It moves horizontally in the vertical direction; when working, adjust the distance between the pressure wheel 2 and the pressure wheel 1 and control the rotation of the pressure wheel 1, so as to realize the transmission and stress relief pretreatment of the profile.
The profile bending equipment with variable curvature according to claim 2, characterized in that: the pressing wheel assembly further includes a pressing wheel-driving device and a pressing wheel-transmission device; the pressing wheel-a The driving device is connected with the pressing wheel through the pressing wheel-transmission device to realize the synchronous rotation of the driving pressing wheel;

The pressing wheel-transmission device includes an input gear, a driving gear and a transmission gear set; the number of the driving gear is equal to that of the pressing wheel one and is coaxially connected with the pressing wheel, and the driving gear is engaged with the transmission gear set; The input gear is connected with the output shaft of the pressing wheel-driving device and meshed with the driving gear, so as to drive the pressing wheel to rotate synchronously.
The profile bending equipment with variable curvature according to claim 2 or 3 is characterized in that: it also includes a combined pressing wheel assembly and an auxiliary pressing wheel assembly; the auxiliary pressing wheel assembly and the pressing wheel assembly together and side by side, and are provided with auxiliary pressing wheels, which are power wheels that rotate synchronously with pressing wheel one; Wheels, combined pressure wheels can move horizontally along the vertical direction of the profile conveying direction.
The forward and reverse bending equipment with variable curvature according to claim 4, characterized in that: the combined pressing wheel assembly also includes a combined pressing wheel driving device, a combined pressing wheel sliding seat, a combined pressing wheel bottom plate and Combined pinch wheel transmission device; the combined pinch wheel bottom plate is set on the combined pinch wheel sliding seat, and the combined pinch wheel is connected to the combined pinch wheel bottom plate; the combined pinch wheel driving device is driven by the combined pinch wheel The device is connected with the sliding seat of the combined pressing wheel to drive the combined pressing wheel on the sliding seat of the combined pressing wheel to move horizontally along the vertical direction of the profile conveying direction;

The combined pressing wheel assembly also includes a combined pressing wheel shaft and a bearing; the combined pressing wheel bottom plate is provided with a mounting hole, the combined pressing wheel is passed through the combined pressing wheel shaft, and the combined pressing wheel shaft passes through the bearing and Mounting hole connection;

The mounting hole is set on the center line of the combined pressing wheel base plate, and the combined pressing wheel installed on the mounting hole is set opposite to the auxiliary pressing wheel; when working, the auxiliary pressing wheel and the pressing wheel are controlled to rotate synchronously, Realize the clamping and transmission of profiles;

Or, the mounting hole is set on the center line of the combined pressing wheel bottom plate, and the combined pressing wheel and the auxiliary pressing wheel installed on the mounting hole are arranged in a staggered manner; during work, adjust the combined pressing wheel and the auxiliary pressing wheel The distance between the wheels and the synchronous rotation of the auxiliary pressing wheel and the pressing wheel are controlled to realize the auxiliary pretreatment of the profile.
The profile bending equipment with variable curvature according to claim 1, characterized in that: the profile bending mechanism further includes a rotating assembly for driving the first forming wheel assembly and the second forming wheel assembly to rotate, and the rotation The assembly is provided with a rotating base; the first forming wheel assembly and the second forming wheel assembly are respectively arranged on the rotating base through the forming wheel distance driving assembly.
The forward and reverse bending equipment with variable curvature according to claim 6, characterized in that: adjusting the relative position of the first forming wheel assembly and the second forming wheel assembly by controlling means: controlling the distance between the forming wheel and the driving assembly to drive the first The second forming wheel assembly is connected to the center of the rotating base, and the rotating assembly is controlled to drive the first forming wheel to rotate around the second forming wheel; and/or the driving assembly is controlled to adjust the distance from the first forming wheel assembly to the second forming wheel assembly to achieve Adjusting the relative positions of the first forming wheel assembly and the second forming wheel assembly;

Alternatively, adjusting the relative positions of the first forming wheel assembly and the second forming wheel assembly through control means: controlling the distance between the forming wheel and the driving assembly to drive the first forming wheel assembly to the center of the rotating base, and controlling the rotating assembly to drive the second forming wheel to rotate The first forming wheel rotates; and/or controlling the distance between the forming wheel and the driving assembly to adjust the distance from the second forming wheel assembly to the first forming wheel assembly, so as to adjust the relative positions of the first forming wheel assembly and the second forming wheel assembly.
The profile bending equipment with variable curvature according to claim 1, characterized in that: the forming wheel distance driving assembly includes a first forming wheel distance driving device and a second forming wheel distance driving device with the same structure; The distance driving device of the first forming wheel and the distance driving device of the second forming wheel both include a distance adjusting drive part of the forming wheel, a gear transmission part and a lead screw transmission part; Connection, the screw transmission part of the first forming wheel distance driving device is connected with the first forming wheel assembly, and the screw transmission part of the second forming wheel distance driving device is connected with the second forming wheel assembly to realize the first forming wheel distance driving device The first forming wheel assembly is driven to move, and the distance driving device for the second forming wheel drives the second forming wheel assembly to move.
The profile bending equipment with variable curvature according to claim 6, characterized in that: the profile bending mechanism further includes a translation assembly for driving the translation of the first forming wheel assembly and the second forming wheel assembly; The rotating base is arranged on the translation assembly.
The profile bending equipment with variable curvature according to claim 6, characterized in that: the profile forward and reverse bending mechanism further includes an upward bending assembly for pushing the profile upward; It is set at the rear end of the profile bending station.