Cutting device for fin copper pipe machining

Abstract

The utility model provides a cutting device for fin copper pipe machining, and relates to the fin copper pipe machining field, the cutting device comprises a cutting machine table, a saw blade and a fin copper pipe body, the fin copper pipe body is clamped on the upper end of the cutting machine table, the saw blade is arranged above the fin copper pipe body, the inner side end of the cutting machine table is fixedly provided with a positioning frame through a connecting plate, and the connecting plate is arranged on the positioning frame. A pressing plate is supported on the frame face of the inner side of the positioning frame through air bag columns, and a memory sponge block is bonded to the side face of the pressing plate through a rubber plate. And the memory sponge block is attached to the outer fin pipe face of the fin copper pipe body, a limiting column is inserted into the inner side of the right end of the fin copper pipe body, an air bag ring is installed on the outer surface of the limiting column, and an electric push rod is connected to the right side of the limiting column through a fixing plate. According to the utility model, the problem that local fins of the finned copper pipe are easy to deform or bend due to excessive buckling force of the buckling ring in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the field of fin copper tube processing, in particular to a cutting device for fin copper tube processing. Background Art

[0002] Finned copper tubes can be used to manufacture refrigerators and evaporators of refrigeration equipment such as air conditioners, refrigerators, freezers, and car air conditioners. In the processing of finned copper tubes, the copper tubes need to undergo multiple processes to be processed into a shape and size that meets the requirements of fin bonding. The required shape and size need to be cut and formed using cutting equipment. After searching, the prior art (application number: CN202020963501.0) records that "in the utility model, first, a pipe groove with a semicircular cross-section and a semi-cylindrical gate knife are provided to make the installation of the pipe fitting more stable; second, a retaining ring is provided to avoid the warping of the non-cut section of the long pipe fitting, and it is used in conjunction with the baffle to ensure that the pipe fitting does not shift as a whole when it is cut next time; the device can realize continuous and rapid cutting of fixed-length pipes on long pipes, with high work efficiency and low defective rate", but the excessive retaining force of the retaining ring in the prior art can easily cause local deformation or bending of the fins of the finned copper tube. Utility Model Content

[0003] In order to overcome the defects of the prior art, a cutting device for processing finned copper tubes is provided to solve the problem in the prior art that excessive clamping force of the clamping ring easily causes local deformation or bending of the finned copper tube.

[0004] In order to achieve the above-mentioned purpose, a cutting device for processing fin copper tubes is provided, comprising: a cutting machine table, a saw blade and a fin copper tube body, wherein the fin copper tube body is clamped at the upper end of the cutting machine table, and a saw blade is arranged above the fin copper tube body.

[0005] A positioning frame is fixed to the inner end of the cutting machine table through a connecting plate, and a pressure plate is supported on the inner frame surface of the positioning frame through an airbag column, and a memory sponge block is bonded to the side of the pressure plate through a rubber plate; and the memory sponge block is in contact with the fin tube surface outside the finned copper tube body, and a limiting column is inserted into the inner side of the right end of the finned copper tube body, an airbag ring is installed on the outer surface of the limiting column, and an electric push rod is connected to the right side of the limiting column through a fixing plate.

[0006] Furthermore, the upper surface of the cutting machine table is connected to a movable slide via a sliding mechanism, and the lower end of the movable slide is movably connected to a mounting frame via a lifting mechanism.

[0007] Furthermore, a saw blade is axially connected to the inner side of the mounting frame, a motor is fixed to the right side of the mounting frame; and the left side of the motor is connected to the saw blade via a rotating shaft.

[0008] Furthermore, a material unloading slope is arranged on the right side of the upper table of the cutting machine, an electrical control device is fixed on the upper surface of the cutting machine, and a fixed horizontal plate is welded at the right edge of the cutting machine.

[0009] Furthermore, an electric push rod is fixed to the left side of the fixed horizontal plate, and a fixed plate is attached to the right groove surface of the fixed horizontal plate; and a limiting column is connected through the fixed horizontal plate.

[0010] Furthermore, the side end of the pressure plate is connected to the positioning frame through a limiting rod, and the airbag column is connected to the inflation pump through an air pipe.

[0011] Furthermore, the positioning frame, the pressure plate, the airbag column, the rubber plate and the memory foam block constitute a clamping mechanism of the cutting machine; and the finned copper tube body penetrates the inner side of the clamping mechanism of the cutting machine.

[0012] The beneficial effect of the utility model is that the cutting device for processing finned copper tubes of the utility model utilizes the inflated airbag column on the inner side of the positioning frame to clamp the outer fin tube surface of the finned copper tube with four groups of pressure plates, so that the memory sponge block on the side of the pressure plate is filled and pressed into the fin gap of the finned copper tube, which is convenient for reducing the stress on the external fins of the finned copper tube, and effectively reduces the deformation or bending of the local fins of the finned copper tube due to excessive stress. At the same time, the limiting column and the airbag ring are inserted and blocked in the inner tube wall of the finned copper tube, which is convenient for limiting and supporting the finned copper tube, ensuring the stable cutting of the finned copper tube, and saving the cost loss of finned copper tube cutting processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of a top view of a partial cross-sectional structure of a cutting device for processing finned copper tubes according to an embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the side cross-sectional connection structure of the positioning frame and the finned copper tube body according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the top cross-sectional connection structure of the fixed horizontal plate and the limiting column in an embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the limiting column according to an embodiment of the utility model.

[0017] In the figure: 1. Cutting machine table; 11. Sliding mechanism; 12. Unloading slope; 13. Fixed horizontal plate; 14. Electrical control device; 2. Saw blade; 21. Moving slide; 22. Mounting frame; 23. Motor; 3. Positioning frame; 31. Connecting plate; 32. Pressing plate; 33. Airbag column; 34. Limit rod; 35. Air pipe; 36. Memory foam block; 37. Rubber sheet; 4. Fin copper tube body; 5. Limit column; 51. Electric push rod; 52. Fixed plate; 53. Airbag ring. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a cutting device for processing fin copper tubes, comprising: a cutting machine 1, a saw blade 2 and a fin copper tube body 4. The fin copper tube body 4 is clamped at the upper end of the cutting machine 1, and the saw blade 2 is arranged above the fin copper tube body 4.

[0019] A positioning frame 3 is fixed to the inner end of the cutting machine table 1 through a connecting plate 31, and a pressure plate 32 is supported on the inner frame surface of the positioning frame 3 through an airbag column 33. A memory sponge block 36 is bonded to the side of the pressure plate 32 through a rubber plate 37; and the memory sponge block 36 is in contact with the outer fin tube surface of the finned copper tube body 4, and a limiting column 5 is inserted into the inner side of the right end of the finned copper tube body 4, and an airbag ring 53 is installed on the outer surface of the limiting column 5, and an electric push rod 51 is connected to the right side of the limiting column 5 through a fixing plate 52.

[0020] Working principle: first, pass the fin copper tube body 4 to be cut through the positioning frame 3 and press it against the fixed horizontal plate 13, control the limit column 5 to move into the inner side of the right end of the fin copper tube body 4, and at the same time, inflate the air bag ring 53 on the surface of the limit column 5 and press it against the tube wall of the fin copper tube body 4, and then inflate the air bag column 33 on the inner side of the positioning frame 3, so that the air bag column 33 inflates and pushes the pressure plate 32 to move toward the surface of the fin copper tube body 4, so that the memory sponge block 36 on the side of the pressure plate 2 is filled and pressed into the fin gap of the fin copper tube, thereby pressing the fin copper tube. After the pressing is completed, start the saw blade 2 to move and cut the fin copper tube body 4. After cutting, move the limit column 5 out of the inner side of the right end of the fin copper tube body 4, and the cut fin copper tube body 4 falls and slides out of the cutting machine 1, completing the fin copper tube cutting process.

[0021] In this embodiment, the upper end surface of the cutting machine table 1 is connected to a movable slide 21 via a sliding mechanism 11 , and the lower end of the movable slide 21 is movably connected to a mounting frame 22 via a lifting mechanism.

[0022] As a preferred embodiment, the sliding mechanism 11 drives the movable slide 21 to move left and right. The mounting frame 22 is lifted and lowered by the mounting frame 22 located at the lower end of the movable slide 21, and the movable slide 21 drives the mounting frame 22 at the lower end to move forward and backward to cut the fin copper tube body 4.

[0023] In this embodiment, the saw blade 2 is axially connected to the inner side of the mounting frame 22 , and the motor 23 is fixed to the right side of the mounting frame 22 ; and the left side of the motor 23 is connected to the saw blade 2 via a rotating shaft.

[0024] As a preferred implementation, the motor 23 drives the saw blade 2 to rotate and cut the fin copper tube body 4. At the same time, a distance sensor is installed on the right side of the mounting frame 22 to facilitate positioning of the cutting position of the fin copper tube body 4.

[0025] In this embodiment, a material unloading slope 12 is arranged on the right side of the upper surface of the cutting machine table 1 , an electrical control device 14 is fixed on the upper surface of the cutting machine table 1 , and a fixed horizontal plate 13 is welded at the right edge of the cutting machine table 1 .

[0026] As a preferred embodiment, a protective pad is attached to the surface of the material cutting slope 12 , and the cut fin copper tube body 4 falls and slides out through the material cutting slope 12 .

[0027] In this embodiment, an electric push rod 51 is fixed to the left side of the fixed transverse plate 13 , a fixed plate 52 is attached to the groove surface of the right side of the fixed transverse plate 13 ; and the limiting column 5 is connected through the fixed transverse plate 13 .

[0028] As a preferred embodiment, the electric push rod 51 is used to push the fixing plate 52 to move left and right, so that the limiting column 5 moves into or out of the right end of the fin copper tube body 4.

[0029] In this embodiment, the side end of the pressing plate 32 is connected to the positioning frame 3 through a limiting rod 34 , and the airbag column 33 is connected to the inflation pump through an air pipe 35 .

[0030] As a preferred embodiment, the limiting rod 34 is convenient for limiting the moving direction of the pressing plate 32. The air pump inflates or exhausts the airbag column 33 through the air pipe 35, so as to move the pressing plate 32 toward the surface of the finned copper tube body 4.

[0031] In this embodiment, the positioning frame 3 , the pressing plate 32 , the airbag column 33 , the rubber plate 37 and the memory sponge block 36 constitute the clamping mechanism of the cutting machine 1 ; and the finned copper tube body 4 penetrates the inner side of the clamping mechanism of the cutting machine 1 .

[0032] As a preferred embodiment, the clamping mechanism of the cutting machine 1 stably clamps the finned copper tube body 4 while facilitating the reduction of the stress on the external fins of the finned copper tube body 4, thereby effectively reducing the deformation or bending of the local fins of the finned copper tube body 4 due to excessive stress.

[0033] The cutting device for fin copper tube processing of the utility model can effectively solve the problem in the prior art that excessive clamping force of the clamping ring can easily cause deformation or bending of local fins of the fin copper tube, which is convenient for reducing the force on the external fins of the fin copper tube, effectively reducing deformation or bending of local fins of the fin copper tube due to excessive force, facilitating the limited support of the fin copper tube, ensuring stable cutting of the fin copper tube, saving cost loss in cutting processing of the fin copper tube, and is suitable for cutting devices for fin copper tube processing.

Claims

1. A cutting device for processing finned copper tubes, include: A cutting machine (1), a saw blade (2) and a fin copper tube body (4), wherein the upper end of the cutting machine (1) is clamped with the fin copper tube body (4), and a saw blade (2) is arranged above the fin copper tube body (4), characterized in that: A positioning frame (3) is fixed to the inner end of the cutting machine table (1) through a connecting plate (31); a pressure plate (32) is supported on the inner frame surface of the positioning frame (3) through an airbag column (33); a memory sponge block (36) is bonded to the side of the pressure plate (32) through a rubber plate (37); and the memory sponge block (36) is in contact with the outer fin tube surface of the finned copper tube body (4); a limiting column (5) is inserted into the inner side of the right end of the finned copper tube body (4); an airbag ring (53) is installed on the outer surface of the limiting column (5); and the right side of the limiting column (5) is connected to an electric push rod (51) through a fixing plate (52).

2. A cutting device for processing finned copper tubes according to claim 1, It is characterized in that The upper end surface of the cutting machine table (1) is connected to a movable slide (21) via a sliding mechanism (11), and the lower end of the movable slide (21) is movably connected to a mounting frame (22) via a lifting mechanism.

3. A cutting device for processing finned copper tubes according to claim 2, It is characterized in that The inner side of the mounting frame (22) is axially connected with a saw blade (2), and a motor (23) is fixed on the right side of the mounting frame (22); and the left side of the motor (23) is connected to the saw blade (2) via a rotating shaft.

4. A cutting device for processing finned copper tubes according to claim 1, It is characterized in that A material unloading slope (12) is arranged on the right side of the upper surface of the cutting machine platform (1), an electrical control device (14) is fixed on the upper surface of the cutting machine platform (1), and a fixed horizontal plate (13) is welded at the right edge of the cutting machine platform (1).

5. A cutting device for processing finned copper tubes according to claim 4, It is characterized in that An electric push rod (51) is fixed on the left side of the fixed transverse plate (13), and a fixed plate (52) is attached to the right groove surface of the fixed transverse plate (13); and the limiting column (5) is connected through the fixed transverse plate (13).

6. A cutting device for processing finned copper tubes according to claim 1, It is characterized in that The side end of the pressing plate (32) is connected to the positioning frame (3) via a limiting rod (34), and the airbag column (33) is connected to the inflation pump via an air pipe (35).

7. A cutting device for processing finned copper tubes according to claim 1, It is characterized in that The positioning frame (3), the pressing plate (32), the airbag column (33), the rubber plate (37) and the memory sponge block (36) constitute a clamping mechanism of the cutting machine (1); and the finned copper tube body (4) is located through the inner side of the clamping mechanism of the cutting machine (1).

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