CN111266663A - A rapid head stripping machine for spiral finned tubes - Google Patents

Abstract

The invention discloses a quick head peeling machine for a spiral finned tube, which comprises a pushing device, a head peeling device and a rack, wherein the pushing device comprises a hydraulic cylinder and a push rod, and the push rod is connected with a piston rod of the hydraulic cylinder; the head stripping device comprises two symmetrically arranged sliding parts, the two sliding parts are arranged in a sliding manner, the sliding directions of the two sliding parts are opposite or back to each other, and arc-shaped cutter grooves are formed in the opposite sides of the two sliding parts; the pushing device and the head peeling device are both arranged on the frame; when the two sliding parts are close to each other, a circular notch is formed between the two arc-shaped cutter grooves, the end position of the push rod corresponds to the position of the circular notch, and the push rod is driven by the hydraulic cylinder to be close to or far away from the arc-shaped cutter grooves. The quick end peeling machine for the spiral finned tube provided by the invention has the advantages that no tool mark is formed on the surface of the spiral finned tube, the damage to the surface of the spiral finned tube is prevented, the operation is convenient, the working efficiency is high, and the yield is improved.

Description

A rapid head stripping machine for spiral finned tubes

technical field

The invention relates to the field of finned tubes, in particular to a rapid head stripping machine for spiral finned tubes.

Background technique

Helical finned tubes are a highly efficient heat transfer element with helical fins. Its heat transfer area is several times to dozens of times that of the light pipe, which can enhance heat transfer, reduce flow resistance, and reduce metal consumption, thereby improving the economy and operational reliability of heat exchange equipment. Spiral finned tubes have been widely used in various boilers. After the tube body and fins of the spiral finned tube are manufactured by electric welding, brazing or other methods, both ends need to be stripped to remove the fins at the ends. At present, the head stripping method of the spiral finned tube is clamped by a clamp, and then the fins at both ends of the spiral finned tube are ground by a tool to realize the head stripping. However, this method is easy to cause damage to the surface of the spiral finned tube, and because the tool gradually approaches the spiral finned tube inward, the stripping process takes a long time and the work efficiency is low.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention proposes a rapid head stripping machine for spiral finned tubes, the purpose of which is to solve the problem that the head stripping machine causes damage to the surface of the spiral finned tubes during the head stripping process.

In order to achieve the above-mentioned purpose, the technical scheme of the present invention is as follows: a rapid head stripping machine for spiral finned tubes, comprising:

a pushing device, the pushing device includes a hydraulic cylinder and a push rod, and the push rod is connected with a piston rod of the hydraulic cylinder;

A head stripping device, the head stripping device includes two symmetrically arranged sliding members, the two sliding members are slidably arranged and the sliding directions are opposite or opposite, and the opposite sides of the two sliding members are provided with arcs knife groove;

a frame, both the pushing device and the stripping device are mounted on the frame;

Wherein, when the two sliding members are close to each other, a circular notch is formed between the two arc-shaped knife grooves, and the position of the end of the push rod corresponds to the position of the circular notch. The push rod approaches or moves away from the arc-shaped sipe driven by the hydraulic cylinder.

Preferably, the rapid head stripping machine for spiral finned tubes further comprises a receiving cylinder, the push rod is located on one side of the sliding member, the receiving cylinder is located on the other side of the sliding member, and the A take-up drum is mounted on the frame.

Preferably, the rapid head stripping machine for spiral finned tubes further includes a support device, the support device includes a bracket and a rotating roller arranged on the bracket, the rotating roller is located above the receiving cylinder, so The rotating roller is arranged to rotate with its axis as the rotating shaft, and the axis of the rotating roller is parallel to the sliding direction of the sliding member.

Preferably, the rapid head stripping machine for spiral finned tubes further includes two symmetrically arranged deviation correction devices, the deviation correction devices include a deviation correction cylinder and a deviation correction plate, and one side of the deviation correction plate is connected with the deviation correction cylinder, so The other side of the deviation correction plate is provided with a groove for accommodating the push rod, and the push rod is located between the two deviation correction plates.

Preferably, the deviation correction device further comprises a guide rod perpendicular to the push rod, the deviation correction cylinder is installed on the frame, the guide rod is slidably installed on the frame, and the sliding direction is its axis direction , the end of the guide rod is connected with the deflection rectifying plate.

Preferably, a driving cylinder for driving the sliding member to slide is installed on the frame.

Preferably, the frame is provided with an upper slideway and a lower slideway, the top of the sliding member is set in the upper slideway, and the bottom of the sliding member is set in the lower slideway.

Preferably, the push rod is a cylinder, and the axis of the push rod passes through the center of the circular slot.

Preferably, the push rod includes a first rod body and a second rod body, one end of the first rod body is connected with the piston rod of the hydraulic cylinder, and the other end of the first rod body is connected with the second rod body, so The diameter of the second rod body is smaller than the diameter of the first rod body.

Beneficial effects of the present invention: In the rapid head stripping machine of the spiral finned tube provided by the present invention, the spiral finned tube is placed between two sliding parts, and the two sliding parts move toward each other until they are close to each other so that the two arc-shaped knife grooves are clamped Hold the spiral finned tube, and then push the end of the spiral finned tube to complete the stripping. No knife marks will be formed on the surface of the spiral finned tube, preventing the surface of the spiral finned tube from being damaged, and it is easy to operate and work efficiently. high, increasing production.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Figure 2 is a schematic diagram of the structure of the head stripping device;

Fig. 3 is the structural schematic diagram of the deviation correction device;

Fig. 4 is the structural representation of push rod;

Among them: 1. Frame, 2. Pushing device, 201. Hydraulic cylinder, 202. Push rod, 202a. First rod body, 202b. Second rod body, 3. Stripping device, 301. Slider, 302. Arc knife Slot, 4. Receiving barrel, 5. Supporting device, 501. Bracket, 502. Rotating roller, 6. Deviation correction device, 601. Deviation correction cylinder, 602. Deviation correction plate, 603. Guide rod, 7. Drive cylinder, 8. Upper Slide, 9. Glide, 10. Circular notch.

Detailed ways

The present invention will be described in further detail below in conjunction with specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 , this embodiment provides a rapid head stripping machine for spiral finned tubes, including a frame 1 , a pushing device 2 , a head stripping device 3 , a receiving cylinder 4 , and a supporting device 5 .

The function of the rack 1 is to support other devices, and its shape and structure can be set according to specific conditions, and are not limited to the structure and shape shown in the figure.

The pushing device 2 is installed on the rack 1 . The pushing device 2 includes a hydraulic cylinder 201 and a push rod 202 . The hydraulic cylinder 201 is also called an oil cylinder, and an oil tank for driving the hydraulic cylinder 201 is also installed on the frame 1 . The hydraulic cylinder 201 is fixedly arranged on the left part of the frame 1 . The piston rod of the hydraulic cylinder 201 is arranged horizontally and faces to the right. The push rod 202 is a cylinder, and the push rod 202 is connected with the piston rod of the hydraulic cylinder 201 . The push rod 202 is also set horizontally, and its length direction is the left-right direction.

The stripping device 3 is installed on the frame 1 . Referring to FIG. 2 , the head stripping device 3 includes two symmetrically arranged sliding members 301 and an arc-shaped knife groove 302 arranged on the sliding members 301 . The two sliding members 301 are slidably arranged and the sliding directions are opposite or opposite. In this embodiment, the distribution directions of the two sliding members 301 are front and rear, and the sliding direction of the sliding members 301 is the front and rear direction. The opposite sides of the two sliding members 301 are provided with arc-shaped knife grooves 302 .

When the two sliding members 301 are close to each other, a circular notch 10 is formed between the two arc-shaped sipes 302 . The position of the end of the push rod 202 corresponds to the position of the circular slot 10 , that is, the axis of the push rod 202 passes through the center of the circular slot 10 . The push rod 202 moves in the left-right direction under the driving of the hydraulic cylinder 201 to approach or move away from the arc-shaped sipe 302 . A driving cylinder 7 for driving the sliding member 301 to slide is installed on the frame 1 . There are two driving cylinders 7, and they are arranged symmetrically in the front-rear direction. The piston rod of the drive cylinder 7 is connected to the slider 301 .

The rack 1 is provided with an upper slideway 8 and a slideway 9 , the top of the sliding member 301 is set in the upper slideway 8 , and the bottom of the slide member 301 is set in the slideway 9 . The upper slideway 8 and the slideway 9 play the role of guiding the sliding member 301, and at the same time, the sliding member 301 can be prevented from falling off from the frame 1, and the stability of the rapid head stripping machine for spiral finned tubes is improved.

The receiving drum 4 is installed on the frame 1 . The push rod 202 is located on the left side of the sliding member 301 , and the receiving cylinder 4 is located at a lower position on the right side of the sliding member 301 . The function of the receiving cylinder 4 is to collect the scraps peeled off from the spiral finned tube.

The function of the support device 5 is to feed and support the spiral finned tube. The support device 5 includes a bracket 501 and a rotating roller 502 provided on the bracket 501 . The bracket 501 is used to support the rotating roller 502 . The rotating roller 502 is located above the right side of the take-up drum 4 . The rotating roller 502 is rotatably arranged with its axis as the rotating shaft. The axis of the rotating roller 502 is parallel to the sliding direction of the sliding member 301 , that is, the axis direction of the rotating roller 502 is the front-rear direction. The number of the rotating rollers 502 is a plurality of groups, and the distribution direction is the left-right direction. When the helical finned tube is placed on the rotating roller 502, its height corresponds to the height of the circular notch 10. The rotating roller 502 can reduce friction when the spiral finned tube is pushed by the push rod 202 .

Referring to FIG. 3 , the rapid head stripping machine for helical finned tubes further includes two deflection correcting devices 6 symmetrically arranged in the front and rear directions. The two deflection correcting devices 6 cooperate with each other to correct deflection of the push rod 202 . The deviation correction device 6 includes a deviation correction cylinder 601 , a deviation correction plate 602 and a guide rod 603 . The deviation correction cylinder 601 is installed on the frame 1, the piston rod of the deviation correction cylinder 601 is arranged horizontally, and its axis direction is front and rear, and the piston rods of the deviation correction cylinders 601 of the two deviation correction devices 6 are arranged opposite to each other. One side of the deviation correction plate 602 is connected to the deviation correction cylinder 601 . The other side of the deflection correcting plate 602 is provided with a groove for accommodating the push rod 202 , and the groove is semicircular. The push rod 202 is located between the two deflection correcting plates 602 . The two deflection correcting plates 602 clamp the push rod 202 to realize deflection correcting and positioning, so as to ensure that the push rod 202 moves in a linear direction. In addition, since friction occurs between the push rod 202 and the deflection correcting plate 602 during the sliding process, lubricating oil can be applied between the push rod 202 and the deflection correcting plate 602 .

The guide rod 603 is slidably installed on the rack 1 and the sliding direction is the axis direction, that is, the guide rod 603 is perpendicular to the push rod 202 . The axial direction of the guide rod 603 is the front-rear direction. The end of the guide rod 603 is connected with the deflection correcting plate 602 . The function of the guide rod 603 is to guide and support the deflection correcting plate 602 .

Referring to FIG. 4 , as a further preference of the above technical solution, the push rod 202 includes a first rod body 202a and a second rod body 202b. The left end of the first rod body 202a is connected with the piston rod of the hydraulic cylinder 201, the right end of the first rod body 202a is connected with the left end of the second rod body 202b, and the diameter of the second rod body 202b is smaller than that of the first rod body 202a. And the axis of the first rod body 202a coincides with the axis of the second rod body 202b. In this way, a stepped portion is formed between the first rod body 202a and the second rod body 202b. In addition, the diameter of the second rod body 202b is smaller than the diameter of the circular slot 10 . The second rod body 202b is provided with a smaller diameter so as to pass through the circular slot 10 and prevent hitting the arc-shaped sipe 302 . The first rod body 202 a with a larger diameter ensures the strength and stability of the push rod 202 .

The working process of the rapid head stripping machine for spiral finned tubes is:

The spiral finned tube is placed on the support device 5 , and the area to be stripped is set between the two slides 301 . The driving cylinder 7 drives the two sliding members 301 to move, so that the two arc-shaped sipes 302 clamp the spiral fin tube, wherein the arc-shaped sipes 302 pass through the fins of the spiral fin tube. Then the hydraulic cylinder 201 drives the push rod 202 to move to the right, the push rod 202 pushes the spiral finned tube, and the part of the spiral finned tube to be peeled falls into the receiving barrel 4 to complete the stripping.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description of the present invention, or directly or indirectly applied in other related technical fields, are all applicable. Similarly, it is included in the scope of patent protection of the present invention.

Claims (9)

1. a quick head stripping machine of a spiral finned tube, is characterized in that, comprises: a pushing device (2), the pushing device (2) comprises a hydraulic cylinder (201) and a push rod (202), the push rod (202) is connected with a piston rod of the hydraulic cylinder (201); A head stripping device (3), the head stripping device (3) includes two symmetrically arranged sliding members (301), the two sliding members (301) are slidably arranged and the sliding directions are opposite or opposite, and the two sliding members (301) The opposite sides of the sliding member (301) are provided with arc-shaped knife grooves (302); a frame (1), the pushing device (2) and the stripping device (3) are both mounted on the frame (1); Wherein, when the two sliding members (301) are close to each other, a circular notch (10) is formed between the two arc-shaped knife grooves (302), and the position of the end of the push rod (202) is the same as that of the The positions of the circular notch (10) correspond, and the push rod (202) approaches or moves away from the arc-shaped sipe (302) under the driving of the hydraulic cylinder (201). 2 . The rapid head stripping machine for spiral finned tubes according to claim 1 , further comprising a receiving cylinder ( 4 ), and the push rod ( 202 ) is located on one side of the sliding member ( 301 ). 3 . , the receiving cylinder (4) is located on the other side of the sliding member (301), and the receiving cylinder (4) is installed on the frame (1). 3. The rapid head stripping machine for spiral finned tubes according to claim 2, characterized in that, further comprising a support device (5), the support device (5) comprising a bracket (501) and a bracket (501) arranged on the bracket ( 501) on the rotating roller (502), the rotating roller (502) is located above the receiving drum (4), the rotating roller (502) is rotated with its axis as the rotating shaft, and the rotating roller (502) ) is parallel to the sliding direction of the sliding member (301). 4. The rapid head stripping machine for spiral finned tubes according to claim 1, characterized in that, further comprising two symmetrically arranged deviation rectification devices (6), the deviation rectification devices (6) comprising a deviation rectification cylinder (601) and A deviation correction plate (602), one side of the deviation correction plate (602) is connected with the deviation correction cylinder (601), and the other side of the deviation correction plate (602) is provided with a concave for accommodating the push rod (202) The push rod (202) is located between the two deflection correcting plates (602). 5. The rapid head stripping machine for helical finned tubes according to claim 4, characterized in that, the deviation correction device (6) further comprises a guide rod (603) perpendicular to the push rod (202), the The deviation-correcting cylinder (601) is installed on the frame (1), the guide rod (603) is slidably installed on the frame (1), and the sliding direction is the axis direction of the guide rod (603). The end is connected with the deflection correcting plate (602). 6 . The rapid head stripping machine for spiral finned tubes according to claim 1 , characterized in that, a driving cylinder ( 7 ) for driving the sliding member ( 301 ) to slide is installed on the frame ( 1 ). 7 . 7. The rapid head stripping machine for spiral finned tubes according to claim 1, characterized in that, the frame (1) is provided with an upper slideway (8) and a slideway (9), and the sliding member The top of (301) is arranged in the upper slideway (8), and the bottom of the slider (301) is arranged in the lower slideway (9). 8 . The rapid head stripping machine for spiral finned tubes according to claim 1 , wherein the push rod ( 202 ) is a cylinder, and the axis of the push rod ( 202 ) passes through the circular groove. 9 . The center of the mouth (10). 9. The rapid head stripping machine for spiral finned tubes according to any one of claims 1 to 8, wherein the push rod (202) comprises a first rod body (202a) and a second rod body (202b), One end of the first rod body (202a) is connected with the piston rod of the hydraulic cylinder (201), the other end of the first rod body (202a) is connected with the second rod body (202b), and the second rod body The diameter of (202b) is smaller than the diameter of the first rod body (202a).

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