Multifunctional pressing device and method for pressing aluminum profile and angle steel sheet

Abstract

The invention discloses a multifunctional pressing device and method for pressing an aluminum profile and an angle steel sheet, and belongs to the technical field of profile machining equipment. One side of the connecting seat is connected with a first sliding plate through a first rectangular guide rail pair, and the first sliding plate is driven by a translation air cylinder arranged on the connecting seat; the top of the first sliding plate is provided with a profile pressing mechanism and an outer side angle steel pressing mechanism. A transition plate is arranged on the other side of the connecting base, a horizontal sliding plate is arranged on the side portion of the transition plate through a second rectangular guide rail pair, and an inner side angle steel pressing mechanism is arranged on the horizontal sliding plate through a third rectangular guide rail pair. A sliding seat is arranged at the bottom of the connecting seat, a platen is arranged on the sliding seat at one end of the connecting seat, and a vertical backup plate is arranged between the platen and the connecting seat. The four functions of pressing the section bar, positioning the section bar and pressing the angle steel sheets on the inner side and the outer side are achieved, and the positioning precision of pressing the aluminum section bar and the angle steel sheets is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of profile processing equipment, and in particular relates to a multifunctional pressing device and method for pressing aluminum profiles and angle steel sheets. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] In the existing processing of aluminum profiles and angle steel sheets, the traditional clamping method often relies on multiple devices or multiple processes to complete. The profile needs to be initially clamped at one station, transferred to another station for positioning, and then the outer and inner angle steel sheets are clamped at other stations respectively. The profile needs to be frequently transferred on the assembly line, the operation steps are cumbersome, and the instability of the production process is increased. Since there may be errors in the connection between different equipment, frequent switching of equipment is also prone to problems, resulting in low production efficiency. In addition, the device in the prior art has a single function, and it is difficult to simultaneously meet multiple requirements such as profile clamping, precise positioning, and clamping of the outer and inner angle steel sheets, making the entire production process more complicated and difficult to achieve efficient and stable production. Summary of the invention

[0004] In response to the above problems, the present invention provides a multifunctional clamping device and method for clamping aluminum profiles and angle steel sheets, which simultaneously realizes the four functions of profile clamping, profile positioning, outer angle steel sheet clamping and inner angle steel sheet clamping, reduces the operating steps of profile transfer on the assembly line, reduces the number of equipment switching times, and improves the production efficiency and positioning accuracy of aluminum profile and angle steel sheet clamping.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions: In a first aspect, the present invention provides a multifunctional clamping device for clamping aluminum profiles and angle steel sheets, comprising: a connecting seat; a first slide plate is connected to one side of the connecting seat through a first rectangular guide rail pair, and the first slide plate is driven by a translation cylinder fixedly arranged on the connecting seat; a cylinder connecting plate is arranged on the top of the first slide plate, and a profile clamping mechanism and an outer angle steel clamping mechanism are arranged on the cylinder connecting plate; A transition plate is provided on the other side of the connecting seat, a horizontal slide is provided on the side of the transition plate through a second rectangular guide rail pair, a first servo transmission mechanism for driving the horizontal slide is provided on the top of the transition plate, an inner angle steel pressing mechanism is provided on the horizontal slide through a third rectangular guide rail pair, and a second servo transmission mechanism for driving the inner angle steel pressing mechanism is provided on the horizontal slide; A sliding seat is arranged at the bottom of the connecting seat, a table is arranged on the sliding seat at one end of the connecting seat, a vertical support plate is arranged between the table plate and the connecting seat, the table plate and the vertical support plate are used to cooperate with the profile clamping mechanism, the outer angle steel clamping mechanism and the inner angle steel clamping mechanism to clamp the profile, the outer angle steel sheet and the inner angle steel sheet, a scale is arranged on the top of the vertical support plate for positioning the profile, and a movable slider is arranged at the bottom of the sliding seat for the entire device to receive profiles or angle steel sheets at different workstations.

[0006] Furthermore, the profile pressing mechanism includes a guide shaft, a profile pressing cylinder and an upper pressing plate; the profile pressing cylinder is fixedly arranged on the cylinder connecting plate, the guide shaft is arranged on a guide shaft seat passing through the cylinder connecting plate, the upper pressing plate is respectively connected to one end of the guide shaft and the telescopic rod of the profile pressing cylinder, the profile pressing cylinder is used to drive the upper pressing plate to move downward, and cooperate with the table plate to press the profile, and the guide shaft is used to guide the reciprocating movement of the upper pressing plate.

[0007] Furthermore, the outer angle steel pressing mechanism includes a bracket, a guide rod and an angle steel pressing cylinder, the bracket is fixedly arranged on the upper pressure plate, the guide rod is installed in a guide hole that passes through the bracket, the angle steel pressing cylinder is fixedly arranged on the bracket, an angle steel pressure plate seat is arranged at one end of the guide rod, the telescopic rod of the angle steel pressing cylinder is connected to the angle steel pressure plate seat, and is used to drive the angle steel pressure plate seat to move up and down, and a first angle steel pressure plate is detachably arranged on the angle steel pressure plate seat.

[0008] Furthermore, the inner angle steel clamping mechanism includes a connecting plate, a second angle steel pressure plate, a spring steel sheet and a telescopic rod; one end of the connecting plate is fixedly connected to the slider of the third rectangular guide rail pair, and the other end of the connecting plate is provided with a telescopic hole, and the telescopic rod is installed in the telescopic hole, and a positioning pin is provided on the connecting plate on the side of the telescopic hole; the second angle steel pressure plate is arranged at one end of the telescopic rod through a spring steel sheet, and the axial direction of the telescopic rod is perpendicular to the plane where the horizontal slide plate is located.

[0009] Furthermore, the second servo transmission mechanism includes a second servo motor and a second lead screw, the second servo motor is fixedly arranged on the horizontal slide, both ends of the second lead screw are fixedly arranged on the horizontal slide through bearings, the slider of the second lead screw is fixedly connected to the connecting plate, and the second lead screw is driven to rotate by the second servo motor, thereby driving the connecting plate to move up and down along the third rectangular guide rail pair.

[0010] Furthermore, the first servo transmission mechanism includes a first servo motor and a first lead screw, the first servo motor is fixedly arranged on the transition plate, both ends of the first lead screw are fixedly arranged on the transition plate through bearings, the slider of the first lead screw is fixedly connected to the transition plate, and the first lead screw is driven to rotate by the first servo motor, thereby driving the transition plate to move horizontally along the second rectangular guide rail pair.

[0011] Furthermore, the translation cylinder, profile pressing cylinder and angle steel pressing cylinder are all connected to a compressed air source, and the compressed air source is connected to a control device, and the control device controls the extension and contraction speed and pressing force of the translation cylinder, profile pressing cylinder and angle steel pressing cylinder respectively.

[0012] Furthermore, the first servo motor and the second servo motor are both connected to the control device, and the control device controls the rotation speed and number of rotations of the first servo motor and the second servo motor respectively, thereby controlling the movement distance of the slider of the corresponding lead screw.

[0013] Furthermore, a plurality of movable sliding blocks are provided at the bottom of the slide seat for horizontal movement of the entire clamping device.

[0014] In a second aspect, the present invention further provides a clamping method of a multifunctional clamping device for clamping aluminum profiles and angle steel sheets, comprising the following steps: S1. After the aluminum profile enters the clamping device, the aluminum profile is positioned according to the scale on the upper part of the vertical support plate, and then the profile pressing cylinder is started under the control of the control system. The descending speed and clamping force of the profile pressing cylinder are executed according to the set parameters of the control device, and then the aluminum profile is pressed by the upper pressing plate; S2. After the angle steel sheet penetrates into the outer cavity of the aluminum profile, the angle steel pressing cylinder is started under the control of the control device, and the inner angle steel sheet of the inner sash of the aluminum profile is pressed vertically through the first angle steel pressing plate; S3. After the angle steel sheet penetrates into the internal cavity of the aluminum profile, the first servo motor and the second servo motor are started under the control of the control device, and the inner angle steel sheet of the inner opening frame of the aluminum profile is pressed by the side of the second angle steel pressure plate; S4. After the angle steel sheet is fixed, the clamping device returns to its initial state.

[0015] Compared with the prior art, the present invention has the following advantages and positive effects: The present invention integrates multiple profile processing procedures into one device, and can simultaneously realize four functions of profile pressing, profile positioning, outer angle steel sheet pressing and inner angle steel sheet pressing, thereby reducing the operating steps of profile transfer on the assembly line and the number of equipment switching times, thereby greatly improving the production efficiency of aluminum profile and angle steel sheet pressing; profile positioning is performed by a vertical support plate with a scale, thereby ensuring the accuracy of profile placement; the profile pressing mechanism improves the pressing and positioning accuracy of the profile, so that the profile pressing position is evenly stressed, avoiding the profile from shaking due to uneven stress, and effectively improving the quality stability of aluminum profile processing.

[0016] The present invention sets the bracket of the outer angle steel clamping mechanism on the upper pressure plate, reduces the moving stroke of the angle steel clamping cylinder, reduces the impact load on the components, and prolongs the service life of the device; the first angle steel pressure plate is detachable, which is convenient for replacing worn parts and reduces maintenance costs. The inner angle steel clamping mechanism adopts a servo transmission mechanism, which can achieve precise fine-tuning, ensure the clamping effect of the angle steel sheet, and improve the assembly accuracy of the product; the translation cylinder, profile pressing cylinder, angle steel clamping cylinder, and the first servo motor and the second servo motor of the clamping device are all connected to the control device, and the operating parameters of each component can be set separately through the control device, such as the extension and contraction speed and clamping force of the cylinder, the rotation speed and number of rotations of the servo motor, etc., to achieve intelligent control of the device, which is simple to operate and easy to adjust, and can adapt to different production process requirements; multiple moving sliders are arranged at the bottom of the slide seat, so that the entire clamping device can move horizontally, and can receive semi-finished raw materials such as profiles or angle steel sheets from multiple feeding mechanisms. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0018] Figure 1 This is a structural diagram of a multifunctional pressing device according to Embodiment 1 of the present invention; Figure 2 It is a rear view of the multifunctional pressing device of Example 1 of the present invention; Figure 3 A top view of a multifunctional pressing device according to Embodiment 1 of the present invention; Figure 4 It is a front view of the multifunctional pressing device of Example 1 of the present invention; In the figure: 1. connecting seat; 2. horizontal slide plate; 3. cylinder connecting plate; 4. table plate; 5. telescopic rod; 6. second rectangular guide pair; 7. third rectangular guide pair; 8. connecting plate; 9. profile pressing cylinder; 10. upper pressure plate; 11. second angle steel pressure plate; 12. spring steel sheet; 13. first rectangular guide pair; 14. first slide plate; 15. first angle steel pressure plate; 16. angle steel clamping cylinder; 17. guide rod; 18. scale; 19. moving slider; 20. vertical support plate; 21. guide shaft; 22. first servo transmission mechanism; 23. second servo transmission mechanism; 24. transition plate; 25. translation cylinder. DETAILED DESCRIPTION

[0019] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0020] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof; Example 1 This embodiment discloses a multifunctional pressing device for pressing aluminum profiles and angle steel sheets. Figure 1-Figure 4 As shown, it includes: a connecting seat 1; one side of the connecting seat 1 is connected to a first slide plate 14 through a first rectangular guide rail pair 13, and the first slide plate 14 is driven by a translation cylinder 25 fixedly arranged on the connecting seat 1; a cylinder connecting plate 3 is arranged on the top of the first slide plate 14, and a profile clamping mechanism and an outer angle steel clamping mechanism are arranged on the cylinder connecting plate 3, the profile clamping mechanism is used to clamp the profile placed on the table plate 4, and the outer angle steel clamping mechanism is used to clamp the angle steel sheet on the outer cavity of the profile.

[0021] A transition plate 24 is provided on the other side of the connecting seat 1, and a horizontal slide 2 is provided on the side of the transition plate 24 through a second rectangular guide rail pair 6. A first servo transmission mechanism 22 for driving the horizontal slide 2 is provided on the top of the transition plate 24. The horizontal slide 2 is provided with an inner angle steel clamping mechanism through a third rectangular guide rail pair 7, and a second servo transmission mechanism 23 for driving the inner angle steel clamping mechanism is provided on the horizontal slide 2; the inner angle steel clamping mechanism can be moved in the vertical and horizontal directions through the second rectangular guide rail pair 6 and the third rectangular guide rail pair 7, and the inner angle steel clamping mechanism needs to be fine-tuned in the inner cavity of the profile, so a servo transmission mechanism needs to be selected for driving.

[0022] A sliding seat is arranged at the bottom of the connecting seat 1, and a table plate 4 is arranged on the sliding seat at one end of the connecting seat 1, and a vertical support plate 20 is arranged between the table plate 4 and the connecting seat 1. The table plate 4 and the vertical support plate 20 are used to cooperate with the profile clamping mechanism, the outer angle steel clamping mechanism and the inner angle steel clamping mechanism to clamp the profile, the outer angle steel sheet and the inner angle steel sheet. A scale 18 is arranged on the top of the vertical support plate 20 for positioning the profile, and the profile can be clamped by the profile clamping mechanism at the same time. In the present invention, four functions of clamping the profile, positioning the profile, clamping the outer angle steel sheet and clamping the inner angle steel sheet can be realized simultaneously.

[0023] The profile pressing mechanism includes a guide shaft 21, a profile pressing cylinder 9 and an upper pressing plate 10; the profile pressing cylinder 9 is fixedly arranged on the cylinder connecting plate 3, the guide shaft 21 is arranged on the guide shaft 21 seat penetrating the cylinder connecting plate 3, the upper pressing plate 10 is respectively connected to one end of the guide shaft 21 and the telescopic rod 5 of the profile pressing cylinder 9, the profile pressing cylinder 9 is used to drive the upper pressing plate 10 to move downward, and cooperate with the table 4 to press the profile, and the guide shaft 21 is used to guide the reciprocating movement of the upper pressing plate 10. Driving the upper pressing plate 10 in the form of a cylinder can effectively improve the working efficiency of the pressing process, and at the same time, the moving accuracy of the upper pressing plate 10 can be improved by the guide shaft 21, so that the force at the profile pressing position is uniform, and it can also ensure that the profile does not shake due to uneven force.

[0024] The outer angle steel clamping mechanism includes a bracket, a guide rod 17 and an angle steel clamping cylinder 16. The bracket is fixedly arranged on the upper pressing plate 10. The guide rod 17 is installed in a guide hole that penetrates the bracket. The angle steel clamping cylinder 16 is fixedly arranged on the bracket. An angle steel clamping plate seat is arranged at one end of the guide rod 17. The telescopic rod 5 of the angle steel clamping cylinder 16 is connected to the angle steel clamping plate seat to drive the angle steel clamping plate seat to move up and down. The angle steel clamping plate seat is detachably provided with a first angle steel clamping plate 15. By arranging the bracket on the upper pressing plate 10, the moving stroke of the angle steel clamping cylinder 16 is effectively reduced. On the one hand, the components of the device are protected from large impact loads; the first angle steel clamping plate 15 and the angle steel clamping plate seat can be disassembled, so that the first angle steel clamping plate 15 is easy to replace when it is seriously worn.

[0025] The inner angle steel clamping mechanism includes a connecting plate 8, a second angle steel pressure plate 11, a spring steel sheet 12 and a telescopic rod 5; one end of the connecting plate 8 is fixedly connected to the slider of the third rectangular guide rail pair 7, and the other end of the connecting plate 8 is provided with a telescopic hole, and the telescopic rod 5 is installed in the telescopic hole. A positioning pin is provided on the connecting plate 8 on the side of the telescopic hole; the second angle steel pressure plate 11 is arranged at one end of the telescopic rod 5 through the spring steel sheet 12, and the axial direction of the telescopic rod 5 is perpendicular to the plane where the horizontal slide plate 2 is located.

[0026] The second servo transmission mechanism 23 includes a second servo motor and a second lead screw. The second servo motor is fixedly arranged on the horizontal slide 2. Both ends of the second lead screw are fixedly arranged on the horizontal slide 2 through bearings. The slider of the second lead screw is fixedly connected to the connecting plate 8. The second lead screw is driven to rotate by the second servo motor, thereby driving the connecting plate 8 to move up and down along the third rectangular guide rail pair 7.

[0027] The first servo transmission mechanism 22 includes a first servo motor and a first lead screw. The first servo motor is fixedly arranged on the transition plate 24. Both ends of the first lead screw are fixedly arranged on the transition plate 24 through bearings. The slider of the first lead screw is fixedly connected to the transition plate 24. The first lead screw is driven to rotate by the first servo motor, thereby driving the transition plate 24 to move horizontally along the second rectangular guide rail pair 6.

[0028] The translation cylinder 25, the profile pressing cylinder 9 and the angle steel pressing cylinder 16 are all connected to a compressed air source, and the compressed air source is connected to a control device, and the control device controls the extension and contraction speed and pressing force of the translation cylinder 25, the profile pressing cylinder 9 and the angle steel pressing cylinder 16 respectively.

[0029] The first servo motor and the second servo motor are both connected to the control device, and the control device controls the rotation speed and number of rotations of the first servo motor and the second servo motor respectively, thereby controlling the moving distance of the slider of the corresponding lead screw.

[0030] A plurality of movable slide blocks 19 are arranged at the bottom of the slide seat for horizontal movement of the entire pressing device.

[0031] Example 2 This embodiment also provides a pressing method of a multifunctional pressing device for pressing aluminum profiles and angle steel sheets, comprising the following steps: S1. After the aluminum profile enters the clamping device, the aluminum profile is positioned according to the scale 18 on the upper part of the vertical support plate 20, and then the profile pressing cylinder 9 is started under the control of the control system. The descending speed and clamping force of the profile pressing cylinder 9 are executed according to the set parameters of the control device, and then the aluminum profile is clamped by the upper pressing plate 10; S2. After the angle steel sheet penetrates the outer cavity of the aluminum profile, the angle steel pressing cylinder 16 is started under the control of the control device, and the inner angle steel sheet of the inner sash of the aluminum profile is pressed vertically through the first angle steel pressing plate 15; S3. After the angle steel sheet penetrates into the internal cavity of the aluminum profile, the first servo motor and the second servo motor are started under the control of the control device, and the inner angle steel sheet of the inner opening frame of the aluminum profile is pressed by the side of the second angle steel pressing plate 11; S4. After the angle steel sheet is fixed, the clamping device returns to its initial state.

[0032] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets, characterized in that: include: Connecting seat; A first slide is connected to one side of the connection seat through a first rectangular guide rail pair, and the first slide is driven by a translation cylinder fixedly arranged on the connection seat; a cylinder connecting plate is arranged on the top of the first slide, and a profile clamping mechanism and an outer angle steel clamping mechanism are arranged on the cylinder connecting plate; A transition plate is provided on the other side of the connecting seat, a horizontal slide is provided on the side of the transition plate through a second rectangular guide rail pair, a first servo transmission mechanism for driving the horizontal slide is provided on the top of the transition plate, an inner angle steel pressing mechanism is provided on the horizontal slide through a third rectangular guide rail pair, and a second servo transmission mechanism for driving the inner angle steel pressing mechanism is provided on the horizontal slide; A sliding seat is arranged at the bottom of the connecting seat, a table is arranged on the sliding seat at one end of the connecting seat, a vertical support plate is arranged between the table plate and the connecting seat, the table plate and the vertical support plate are used to cooperate with the profile clamping mechanism, the outer angle steel clamping mechanism and the inner angle steel clamping mechanism to clamp the profile, the outer angle steel sheet and the inner angle steel sheet, a scale is arranged on the top of the vertical support plate for positioning the profile, and a movable slider is arranged at the bottom of the sliding seat for the entire device to receive profiles or angle steel sheets at different workstations.

2. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 1, characterized in that: The profile pressing mechanism includes a guide shaft, a profile pressing cylinder and an upper pressing plate; the profile pressing cylinder is fixedly arranged on the cylinder connecting plate, the guide shaft is arranged on a guide shaft seat penetrating the cylinder connecting plate, the upper pressing plate is respectively connected to one end of the guide shaft and the telescopic rod of the profile pressing cylinder, the profile pressing cylinder is used to drive the upper pressing plate to move downward, and cooperate with the table plate to press the profile, and the guide shaft is used to guide the reciprocating movement of the upper pressing plate.

3. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 2, characterized in that: The outer angle steel pressing mechanism includes a bracket, a guide rod and an angle steel pressing cylinder. The bracket is fixedly arranged on the upper pressure plate. The guide rod is installed in a guide hole that passes through the bracket. The angle steel pressing cylinder is fixedly arranged on the bracket. An angle steel pressure plate seat is arranged at one end of the guide rod. The telescopic rod of the angle steel pressing cylinder is connected to the angle steel pressure plate seat for driving the angle steel pressure plate seat to move up and down. A first angle steel pressure plate is detachably arranged on the angle steel pressure plate seat.

4. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 3, characterized in that: The inner angle steel clamping mechanism includes a connecting plate, a second angle steel pressure plate, a spring steel sheet and a telescopic rod; one end of the connecting plate is fixedly connected to the slider of the third rectangular guide rail pair, and the other end of the connecting plate is provided with a telescopic hole, and the telescopic rod is installed in the telescopic hole, and a positioning pin is provided on the connecting plate on the side of the telescopic hole; the second angle steel pressure plate is arranged at one end of the telescopic rod through a spring steel sheet, and the axial direction of the telescopic rod is perpendicular to the plane where the horizontal slide plate is located.

5. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 4, characterized in that: The second servo transmission mechanism includes a second servo motor and a second lead screw. The second servo motor is fixedly arranged on the horizontal slide. Both ends of the second lead screw are fixedly arranged on the horizontal slide through bearings. The slider of the second lead screw is fixedly connected to the connecting plate. The second lead screw is driven to rotate by the second servo motor, thereby driving the connecting plate to move up and down along the third rectangular guide rail pair.

6. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 5, characterized in that: The first servo transmission mechanism includes a first servo motor and a first lead screw. The first servo motor is fixedly arranged on the transition plate. Both ends of the first lead screw are fixedly arranged on the transition plate through bearings. The slider of the first lead screw is fixedly connected to the transition plate. The first lead screw is driven to rotate by the first servo motor, thereby driving the transition plate to move horizontally along the second rectangular guide rail pair.

7. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 6, characterized in that: The translation cylinder, profile pressing cylinder and angle steel pressing cylinder are all connected to a compressed air source, and the compressed air source is connected to a control device, and the control device controls the extension and contraction speed and pressing force of the translation cylinder, profile pressing cylinder and angle steel pressing cylinder respectively.

8. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 7, characterized in that: The first servo motor and the second servo motor are both connected to the control device, and the control device controls the rotation speed and number of rotations of the first servo motor and the second servo motor respectively, thereby controlling the moving distance of the slider of the corresponding lead screw.

9. A multifunctional pressing device for pressing aluminum profiles and angle steel sheets as claimed in claim 1, characterized in that: A plurality of movable sliding blocks are arranged at the bottom of the slide seat for horizontal movement of the entire pressing device.

10. A pressing method of a multifunctional pressing device for pressing aluminum profiles and angle steel sheets according to any one of claims 2 to 9, characterized in that: The following steps are involved: S1. After the aluminum profile enters the clamping device, the aluminum profile is positioned according to the scale on the upper part of the vertical support plate, and then the profile pressing cylinder is started under the control of the control system. The descending speed and clamping force of the profile pressing cylinder are executed according to the set parameters of the control device, and then the aluminum profile is pressed by the upper pressing plate; S2. After the angle steel sheet penetrates into the outer cavity of the aluminum profile, the angle steel pressing cylinder is started under the control of the control device, and the inner angle steel sheet of the inner sash of the aluminum profile is pressed vertically through the first angle steel pressing plate; S3. After the angle steel sheet penetrates into the internal cavity of the aluminum profile, the first servo motor and the second servo motor are started under the control of the control device, and the inner angle steel sheet of the inner opening frame of the aluminum profile is pressed by the side of the second angle steel pressure plate; S4. After the angle steel sheet is fixed, the clamping device returns to its initial state.

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