Air suction device of air conditioner fin punching machine

Abstract

The utility model discloses an air-conditioner fin punching machine air suction device which comprises an air suction support, a connecting plate is arranged behind the air suction support, the connecting plate is fixedly arranged on a punching machine, a rotating lead screw arranged in the vertical direction is arranged on the connecting plate, one end of the rotating lead screw is connected with a lead screw motor, and the other end of the rotating lead screw is connected with an air outlet. A lead screw nut matched with the rotating lead screw is arranged in the middle of the air suction support in the width direction. Guide rails in the vertical direction are further arranged on the two sides of the connecting plate, the guide rails are symmetrically arranged relative to the rotating lead screw, and guide rail sliding blocks which are matched with the guide rails and slide up and down on the guide rails are arranged on the air suction support. The fin machining device is good in structural strength, high in precision, good in reliability, convenient to adjust and capable of being widely applied to the field of fin machining.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioner fin processing, in particular to an air suction device for an air conditioner fin punching machine. Background Art

[0002] After the fin processing is completed, the fin needs to be transferred out through a suction device. The suction device is installed on the punch press. The suction device needs to be adjusted up and down and forward and backward according to the different punch presses and the specifications of the fins to ensure that the suction force acting on the fins meets the set requirements. The existing suction device is a fixed structure set according to the unique punch press. The suction device can only be fine-tuned through the waist-shaped holes on both sides and cannot be adjusted over a large range. Therefore, the suction device has low applicability; and the positions of the waist-shaped holes on both sides need to be adjusted and compared to make their adjustment heights consistent, which greatly reduces the accuracy of the adjustment. Utility Model Content

[0003] The utility model aims to provide an air suction device for an air conditioner fin punching machine, so as to solve the problems of inconvenient height adjustment and low precision of the existing air suction device.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an air suction device for an air conditioner fin punch, comprising an air suction bracket, a connecting plate is arranged at the rear of the air suction bracket, the connecting plate is fixedly arranged on the punch, a rotating screw arranged in a vertical direction is arranged on the connecting plate, a screw motor is connected to one end of the rotating screw, a screw nut cooperating with the rotating screw is arranged in the middle position in the width direction of the air suction bracket; vertical guide rails are also arranged on both sides of the connecting plate, the guide rails are symmetrically arranged relative to the rotating screw, and a guide rail slider cooperating with the guide rail and sliding up and down on the guide rail is arranged on the air suction bracket.

[0005] In order to control the up and down strokes, the guide rail slider is fixedly mounted on a connecting block, and the connecting block is fixedly mounted on both sides of the air suction bracket; an up stroke limit switch and a down stroke limit switch are arranged on the connecting block.

[0006] For the convenience of installation, installation shafts are arranged on both sides of the connecting plate, and installation blocks are arranged at the upper and lower ends of the installation shafts, and the installation blocks are fixedly installed on the punch press.

[0007] Furthermore, an upper bearing seat and a lower bearing seat are fixedly arranged on the connecting plate, and two tapered roller bearings are arranged in the upper bearing seat and the lower bearing seat, and the installation directions of the two tapered roller bearings are opposite.

[0008] In order to improve the strength of the air suction bracket, the air suction bracket includes a rear end plate, a front end plate, and a left side plate and a right side plate connecting the rear end plate and the front end plate, and the left side plate and the right side plate are right-angled trapezoidal structures; triangular reinforcing ribs are arranged on the outer sides of the left side plate and the right side plate; side reinforcing ribs are arranged on the lower inner sides of the left side plate and the right side plate, and transverse reinforcing ribs are respectively arranged on the upper and lower ends of the rear end plate.

[0009] In order to facilitate the front and rear adjustment of the air suction device to meet the requirements of different molds, two air suction device installation grooves are respectively provided on the left plate and the right plate, and the air suction device installation grooves are long strip groove structures.

[0010] Beneficial effects of the utility model: The utility model can effectively reduce the weight of the suction bracket and reduce costs while ensuring strength through the design of the suction bracket structure. At the same time, it can reduce the load on the screw and increase the service life. The suction bracket is driven by a middle screw, and guide rails are set on both sides to ensure the smooth operation of the suction bracket. The screw drive method has high precision and good stability. The screw is supported by two tapered roller bearings and installed back to back, which can withstand large radial loads and axial loads at the same time, reducing installation errors and improving transmission accuracy. Therefore, the utility model has good structural stability and high adjustment accuracy.

[0011] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is the front view of the utility model.

[0014] Figure 3 for Figure 2 Sectional view of AA. DETAILED DESCRIPTION

[0015] Examples, such as Figures 1 to 3 As shown, an air suction device for an air conditioner fin punching machine includes an air suction bracket 1 for installing the air suction device, a connecting plate 2 is arranged at the rear of the air suction bracket 1, mounting shafts 20 are arranged on both sides of the connecting plate 2, mounting blocks 11 are arranged at the upper and lower ends of the mounting shaft 20, and the mounting blocks 11 are fixedly installed on the punching machine, and the connecting plate 12 is fixed by the mounting blocks 11.

[0016] The air suction bracket 1 includes a rear end plate 101, a front end plate 102, and a left side plate 103 and a right side plate 104 connecting the rear end plate 101 and the front end plate 102. The left side plate 103 and the right side plate 104 are right-angled trapezoidal structures, which can reduce weight and ensure strength by utilizing the stability of the right-angled trapezoid. In order to further improve the strength of the air suction bracket 1, triangular reinforcing ribs 15 are arranged on the outside of the left side plate 103 and the right side plate 104, and the stability of the triangle is utilized to enhance the stability of the air suction bracket 1. The triangular reinforcing ribs 15 can adopt a split structure, with a horizontally welded sheet, an inclinedly welded sheet and the rear end plate 101 together forming a triangular reinforcing rib structure. At the same time, side reinforcing ribs 16 are arranged on the inner lower side of the left side plate 103 and the right side plate 104, and transverse reinforcing ribs 17 are respectively arranged at the upper and lower ends of the rear end plate 101 to ensure strength.

[0017] In order to facilitate the adjustment of the position of the suction device in the front-to-back direction, two suction device mounting grooves 18 are respectively provided on the left plate 103 and the right plate 104. The suction device mounting grooves 18 are long strip-shaped groove structures. The two sides of the suction device are fixedly mounted on the suction device mounting grooves 18 by bolts. By adjusting the position of the bolts in the suction device mounting grooves 18, the suction device can be moved forward and backward to meet the material connection requirements of molds of different specifications.

[0018] In order to ensure that the air suction bracket 1 can move up and down smoothly, a rotating screw 3 arranged in the vertical direction is provided on the connecting plate 2, and a ball screw is preferably used. A screw motor 4 is connected to one end of the rotating screw 3, and a screw nut 5 cooperating with the rotating screw 3 is provided in the middle position in the width direction of the air suction bracket 1. The screw motor 4 drives the rotating screw 3 to rotate, so that the screw nut 5 moves up and down, thereby driving the air suction bracket 1 to move up and down. In order to ensure stability, vertical guide rails 6 are also provided on both sides of the connecting plate 2. The guide rails 6 are symmetrically arranged relative to the rotating screw 3. The air suction bracket 1 is provided with a guide rail slider 7 cooperating with the guide rail 6 to slide up and down on the guide rail 6. The guide rail slider 7 is fixedly mounted on the connecting block 8, and the connecting block 8 is fixedly mounted on both sides of the air suction bracket 1. In order to control the up and down strokes, an upper stroke limit switch 9 and a lower stroke limit switch 10 are provided on the connecting block 8.

[0019] In order to improve the accuracy of the rotating screw and the load it bears, an upper bearing seat 12 and a lower bearing seat 13 are fixedly arranged on the connecting plate 2. Two tapered roller bearings 14 are arranged in the upper bearing seat 12 and the lower bearing seat 13, and the installation directions of the two tapered roller bearings 14 are opposite. The rotating screw 3 is rotatably installed on the connecting plate 2 through the tapered roller bearings 14.

[0020] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An air suction device for an air conditioner fin punching machine, comprising an air suction bracket (1), characterized in that: A connecting plate (2) is arranged at the rear of the air suction bracket (1), the connecting plate (2) is fixedly arranged on the punching machine, a rotating screw (3) arranged in a vertical direction is arranged on the connecting plate (2), one end of the rotating screw (3) is connected to a screw motor (4), and a screw nut (5) cooperating with the rotating screw (3) is arranged in the middle position in the width direction of the air suction bracket (1); vertical guide rails (6) are also arranged on both sides of the connecting plate (2), the guide rails (6) are symmetrically arranged relative to the rotating screw (3), and a guide rail slider (7) cooperating with the guide rail (6) and sliding up and down on the guide rail (6) is arranged on the air suction bracket (1).

2. The air suction device for air conditioner fin punching machine according to claim 1, characterized in that: The guide rail slider (7) is fixedly mounted on a connecting block (8), and the connecting block (8) is fixedly mounted on both sides of the air suction bracket (1); an upper travel limit switch (9) and a lower travel limit switch (10) are provided on the connecting block (8).

3. The air suction device for air conditioner fin punching machine according to claim 1, characterized in that: Mounting shafts (20) are provided on both sides of the connecting plate (2), and mounting blocks (11) are provided at the upper and lower ends of the mounting shafts (20), wherein the mounting blocks (11) are fixedly mounted on the punching machine.

4. The air suction device for air conditioner fin punching machine according to claim 1, characterized in that: An upper bearing seat (12) and a lower bearing seat (13) are fixedly arranged on the connecting plate (2), and two tapered roller bearings (14) are arranged in each of the upper bearing seat (12) and the lower bearing seat (13), and the installation directions of the two tapered roller bearings (14) are opposite.

5. The air suction device for air conditioner fin punching machine according to claim 1, characterized in that: The air suction bracket (1) comprises a rear end plate (101), a front end plate (102), and a left side plate (103) and a right side plate (104) connecting the rear end plate (101) and the front end plate (102); the left side plate (103) and the right side plate (104) are of right-angled trapezoidal structure; triangular reinforcing ribs (15) are arranged on the outer sides of the left side plate (103) and the right side plate (104); side reinforcing ribs (16) are arranged on the lower inner sides of the left side plate (103) and the right side plate (104); and transverse reinforcing ribs (17) are respectively arranged at the upper and lower ends of the rear end plate (101).

6. The air suction device for air conditioner fin punching machine according to claim 5, characterized in that: Two air suction device installation grooves (18) are respectively provided on the left side plate (103) and the right side plate (104), and the air suction device installation grooves (18) are long strip groove-shaped structures.

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