A pipe bending tool for a plate rolling machine and a method of using the same

Abstract

The present application relates to a novel pipe bending tool for a plate rolling machine, comprising three ring sleeves, each of which comprises a first ring plate, a second ring plate and a third ring plate, each of the first ring plate, the second ring plate and the third ring plate is provided with a semicircular groove in the circumferential direction, and the first ring plate, the second ring plate and the third ring plate are fixedly connected in sequence, the pipe bending tool can be installed on the plate rolling machine to process a pipe with a bending radius greater than 200 mm, the bending radius of the pipe can be controlled by adjusting the distance between the three rollers of the plate rolling machine, which is convenient and fast, has low investment cost, and a plurality of sets of the pipe bending device can be simultaneously installed on the three rollers of one plate rolling machine, so that the pipe bending efficiency can be significantly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe bending equipment, in particular to a pipe bending tool for plate rolling machine and a using method thereof. TECHNICAL BACKGROUND

[0002] In the process of making tower equipment, the platform ladder is an indispensable component, and the platform rail is usually made of a pipe with an outer diameter of 34 mm. The rail of the tower is an arc rail with a large diameter, and the bending radii are different and the number is large. The ordinary pipe bender needs to customize corresponding clamps, and can only bend one by one, which is high in cost and low in efficiency. In the case of saturated workload in the pipe bending process, buying a pipe bender is a serious waste of resources. SUMMARY

[0003] In view of the above problems, the purpose of the present application is to provide a pipe bending tool for plate rolling machine and a using method thereof. The pipe bending tool is installed on the plate rolling machine to process a pipe with a bending radius greater than 200 mm. The bending radius of the pipe can be controlled by adjusting the distance between the three rollers of the plate rolling machine, which is convenient and fast, low in investment cost, and multiple sets of the pipe bending device can be installed on the three rollers of one plate rolling machine at the same time, which can significantly improve the pipe bending efficiency.

[0004] To achieve the above purpose, the present application adopts the following technical scheme:

[0005] A pipe bending tool for plate rolling machine, characterized in that it comprises three ring sleeves, each of which comprises a first ring plate, a second ring plate and a third ring plate, and a semicircular arc groove is formed on the outer side of each of the first ring plate, the second ring plate and the third ring plate in the circumferential direction, and the first ring plate, the second ring plate and the third ring plate are fixedly connected in sequence.

[0006] Preferably, one end of the first ring plate and one end of the second ring plate are fixedly connected by a connecting plate and a bolt.

[0007] Preferably, the other end of the first ring plate and one end of the third ring plate are fixedly connected by the connecting plate and the bolt.

[0008] Preferably, the end of the third ring plate away from the first ring plate is fixedly connected to the end of the second ring plate away from the first ring plate by an internal hexagonal bolt.

[0009] Preferably, the radius corresponding to the semicircular arc groove is equal to the outer radius of the pipe to be processed, so that the pipe is protected and the bending radius of the processed pipe is more accurate.

[0010] Preferably, the radius corresponding to the semicircular groove is 17mm, and the rail used by the platform at a high place is generally processed from a pipe with an outer diameter of 34mm, and the radius of the semicircular groove is set to 17mm, and the pipe with an outer diameter of 34mm is appropriately bent.

[0011] A method for using a pipe bending tool for a veneer lathe, characterized in that it comprises the following steps:

[0012] Step one: take one or more groups of the pipe bending tool, put three ring sleeves of each group of the pipe bending tool on three rollers of the veneer lathe respectively, and loosen the inner hexagonal bolt connecting the third ring plate and the second ring plate;

[0013] Step two: adjust the relative positions of the three ring sleeves and the relative distances of the three rollers according to the pipe bending sample, and tighten the inner hexagonal bolt connecting the third ring plate and the second ring plate;

[0014] Step three: place the pipe to be processed for bending.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] (1) The pipe bending tool can be used for pipe bending processing by the veneer lathe, one machine with multiple functions, increasing the processing capacity of the equipment and reducing the equipment cost investment;

[0017] (2) The present application adjusts the bending radius of the processed pipe by controlling the rollers of the veneer lathe, which is simple to operate, reduces the equipment debugging time, and is convenient and fast;

[0018] (3) The present application can install multiple groups on the same veneer lathe at the same time, and bend multiple pipes in turn, greatly improving the pipe efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a side view structure schematic diagram of two groups of pipe bending tools installed on the same roller of the veneer lathe;

[0020] Figure 2 It is a sectional view structure schematic diagram of two groups of pipe bending tools according to the A-A direction; Figure 1

[0021] Reference signs: 1 first ring plate, 2 second ring plate, 3 third ring plate, 4 semicircular groove, 5 connecting plate, 6 bolt, 7 inner hexagonal bolt, 8 roller, 9 pipe bending sample; DETAILED EMBODIMENT

[0022] ​The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of the present application.

[0023] Reference Figure 1 , Figure 2 According to one embodiment of the present application, a pipe bending tool for a plate rolling machine comprises three ring sleeves, each of which comprises a first ring plate 1, a second ring plate 2, and a third ring plate 3. The outer side of each of the first ring plate 1, the second ring plate 2, and the third ring plate 3 is provided with a semicircular groove 4 in the circumferential direction. One end of the first ring plate 1 and one end of the second ring plate 2, and the other end of the first ring plate 1 and one end of the third ring plate 3 are fixedly connected through a connecting plate 5 and a bolt 6. The end of the third ring plate 3 away from the first ring plate 1 and the end of the second ring plate 2 away from the first ring plate 1 are fixedly connected through a hexagonal bolt 7. The radius of the semicircular groove 4 corresponds to the outer radius of the pipe to be processed. For example, when the outer diameter of the pipe to be processed is 34 mm, the radius of the semicircular groove 4 should be set to 17 mm.

[0024] In the above embodiment, the three ring plates are combined into a ring sleeve, which is convenient to disassemble and assemble. The second ring plate and the third ring plate are connected through a hexagonal bolt, which is convenient to adjust and fix the position of the ring sleeve by adjusting the tightness of the hexagonal bolt. The radius of the semicircular groove is set to be the same as the outer radius of the pipe to be bent, so that the bent radius is more consistent with the requirements of the customer during the bending process, and the bent pipe is protected from being damaged.

[0025] The above embodiment includes the following steps when in use:

[0026] Step one: take two sets of the pipe bending tool in the above embodiment, and put each set of three ring sleeves on the three rollers 8 of the plate rolling machine. Loosen the hexagonal bolt 7 connecting the third ring plate 3 and the second ring plate 2.

[0027] Step two: adjust the relative positions of the three ring sleeves and the relative distances of the three rollers 8 through the pipe sample 9, then tighten the hexagonal bolt 7 connecting the third ring plate 3 and the second ring plate 2, and ensure that the other connections on the ring sleeve are reliably connected.

[0028] Step three: place the pipe to be processed for bending.

[0029] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A pipe bending tool for a plate rolling machine, characterized by, The utility model relates to a kind of pipe bending tool, including three ring sleeves matched with three roll axes of bending machine, each ring sleeve is adjustable three-petal structure, and first ring plate (1), second ring plate (2), third ring plate (3) are enclosed to form complete annular by head-to-tail;The outside of first ring plate (1), second ring plate (2), third ring plate (3) is all set with circumferential semicircular recess (4), the radius corresponding to semicircular recess (4) is equal to the outer radius of pipe processed;For realizing the face contact clamping of pipe and ring sleeve to avoid bending deformation;The both ends of first ring plate (1) are respectively fixedly connected with one end of second ring plate (2) and one end of third ring plate (3) by connecting plate (5) and bolt (6), the other end of third ring plate (3) and the other end of second ring plate (2) are detachably connected by hexagon socket bolt (7), the radial dimension of ring sleeve can be slightly adjusted by loosening hexagon socket bolt (7), the close fit with bending machine roll axis and the accurate calibration of installation position are realized;The radius corresponding to semicircular recess (4) is 17mm, and it is specially matched with the outer diameter 34mm pipe commonly used in tower platform railing.

2. The method of using a tube bending fixture of claim 1, wherein, The utility model relates to a kind of pipe bending tool, including the following steps: Step one: take one or more groups of the pipe bending tool, three ring sleeves of each group of pipe bending tool are respectively sleeved on three roll axes (8) of bending machine, and hexagon socket bolt (7) connecting third ring plate (3) and second ring plate (2) is loosened; Step two: according to pipe sample (9), the relative position of three ring sleeves and the relative distance of three roll axes (8) are adjusted, and hexagon socket bolt (7) connecting third ring plate (3) and second ring plate (2) is tightened; Step three: place the pipe to be processed to bend.

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