Head cutting device for seamless steel pipe

Abstract

The utility model discloses a head cutting device for a seamless steel pipe, and aims to solve the problem of low cutting efficiency. According to the technical scheme, the cutting device is characterized by comprising a support, an upper transverse plate and a lower transverse plate which are symmetrically distributed are fixedly connected to the side wall of the support, cutting assemblies are arranged on the sides, away from each other, of the upper transverse plate and the lower transverse plate, multiple sets of first cutting grooves distributed side by side are formed in the upper transverse plate, and multiple sets of second cutting grooves distributed in an array are formed in the lower transverse plate; the first cutting grooves correspond to the second cutting grooves in position, a plurality of moving plates slidably connected with the support are arranged between the upper transverse plate and the lower transverse plate, the number of the moving plates corresponds to the number of the first cutting grooves, a driving device used for driving the moving plates to move is arranged on the support, and inserting grooves allowing steel pipes to penetrate through are formed in the moving plates. The driving device is arranged to drive the steel pipes to move up and down, so that the two ends of the steel pipes are cut through the cutting assemblies on the upper transverse plate and the lower transverse plate respectively, a plurality of steel pipes are cut at a time, and the steel pipe head cutting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe cutting head technical field, more specifically, it relates to a cutting head device of seamless steel pipe. BACKGROUND

[0002] Steel pipe is the steel material with hollow section, its length is far greater than diameter or perimeter, and is divided into round, square, rectangular and special-shaped steel pipe according to section shape.

[0003] At present, in the steel pipe production use process needs to use the cutting head machine to cut the steel pipe head, but the existing cutting head machine mostly can only cut the head of one steel pipe when working, and the existing cutting head machine can only cut the end of one end of the steel pipe when cutting the head of the steel pipe, needs to cut the other end, and the steel pipe is disassembled and turned over to cut the other end, greatly reduces the cutting head efficiency.

[0004] Therefore, a scheme needs to be proposed to solve this problem. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a cutting head device for seamless steel pipe, which drives the steel pipe to move up and down through the driving device, so that the two ends of the steel pipe are cut by the cutting assembly on the upper horizontal plate and the lower horizontal plate, and multiple steel pipes are cut at a time, improving the efficiency of steel pipe cutting head.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a cutting head device for seamless steel pipe, comprising a support, the side wall of the support is fixedly connected with symmetrically distributed upper horizontal plates and lower horizontal plates, the side away from each other of the upper horizontal plates and the lower horizontal plates is provided with a cutting assembly, a plurality of parallel cutting grooves one are formed on the upper horizontal plate, a plurality of arrayed cutting grooves two are formed on the lower horizontal plate, the cutting grooves one and the cutting grooves two are positionally corresponding, a plurality of moving plates slidably connected with the support are arranged between the upper horizontal plate and the lower horizontal plate, the number of the moving plates corresponds to the number of the cutting grooves one, a driving device for driving the moving plates to move is arranged on the support, a slot for the steel pipe to pass through is formed on the moving plate, and a fixing device for fixing the steel pipe is arranged in the slot.

[0007] The utility model is further provided as follows: the fixing device comprises a through groove formed on the inner wall of the slot, a clamping plate slidably connected with the through groove is arranged in the through groove, an electric push rod is fixedly connected to the side wall of the moving plate, a protruding block is fixedly connected to the side wall of the clamping plate, and the output end of the electric push rod is fixedly connected with the protruding block.

[0008] The utility model further sets up: the driving device includes the accommodating groove of setting on the side wall of support, rotating connection has the screw rod one on the inner wall of accommodating groove, install motor one for driving the screw rod one rotation on the support, the nut seat one is equipped with on the screw rod one, the nut seat one and the side wall fixed connection of moving plate.

[0009] The utility model further sets up: the cutting assembly includes the installation block of sliding connection with upper horizontal plate or lower horizontal plate, moving device for driving installation block is uniformly arranged on upper horizontal plate and lower horizontal plate, the side of installation block close cutting groove one or cutting groove two all are fixedly connected with support plate, the side of both sides support plate close each other all are rotatably connected with a plurality of cutting blades, the number and position of a plurality of cutting blades all correspond with cutting groove one and cutting groove two, install motor two for driving cutting blade rotation on the support plate.

[0010] The utility model further sets up: the moving device includes two fixed plate of with upper horizontal plate or lower horizontal plate fixed connection, rotatably connected with screw rod two between both sides fixed plate, install motor three for driving screw rod two rotation on the fixed plate, the nut seat two is equipped with on the screw rod two, the nut seat two and installation block fixed connection.

[0011] The utility model further sets up: the fixed connection of limit rod between both sides fixed plate is set up the limit groove of passing through of limit rod on the nut seat two.

[0012] The utility model further sets up: the side of clamping plate for clamping sets up a plurality of array distribution's concave arc part.

[0013] Summarized above, the utility model has following beneficial effect:

[0014] The utility model discloses through setting up driving device and drives steel pipe to move up and down, makes the both ends of steel pipe to realize cutting through the cutting assembly on upper horizontal plate and lower horizontal plate respectively, cuts a plurality of steel pipes, improves the efficiency of steel pipe cutting head. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic of the utility model Figure 1 ;

[0016] Figure 2 It is the whole structure schematic of the utility model Figure 2 ;

[0017] Figure 3 It is the structure schematic of fixed device in the utility model, shows the structural characteristics of fixed device.

[0018] In the figure: 1, support; 2, upper cross plate; 3, lower cross plate; 4, cutting groove one; 5, cutting groove two; 6, moving plate; 7, insertion slot; 8, clamping plate; 9, electric push rod; 10, protruding block; 11, containing groove; 12, screw rod one; 13, nut seat one; 14, motor one; 15, mounting block; 16, support plate; 17, cutting blade; 18, fixed plate; 19, screw rod two; 20, nut seat two; 21, motor three; 22, limiting rod. DETAILED DESCRIPTION

[0019] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments, and it should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0021] In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeve setting / connection", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] The utility model will be described in detail below in combination with the drawings.

[0023] A kind of cutting head device of seamless steel pipe, as shown in Figures 1-3 It includes support 1, symmetrically distributed upper cross plate and lower cross plate 3 are fixedly connected on the side wall of support 1, cutting assembly is arranged on the side away from each other of upper cross plate 2 and lower cross plate 3, a plurality of parallelly distributed cutting groove one 4 are opened in upper cross plate 2, a plurality of arrayed distribution cutting groove two 5 are opened in lower cross plate 3, cutting groove one 4 and cutting groove two 5 are in position correspondence, a plurality of moving plates 6 that are slidably connected with support 1 are arranged between upper cross plate 2 and lower cross plate 3, the number of moving plate 6 corresponds to the number of cutting groove one 4, driving device for moving moving plate 6 is arranged on support 1, insertion slot 7 for steel pipe to pass through is opened in moving plate 6, fixing device for fixing steel pipe is arranged in insertion slot 7.

[0024] The fixing device comprises a through slot formed in the inner wall of the slot 7, a clamping plate 8 is arranged in the through slot in sliding connection with the through slot, an electric push rod 9 is fixedly connected to the side wall of the moving plate 6, a protrusion 10 is fixedly connected to the side wall of the clamping plate 8, the output end of the electric push rod 9 is fixedly connected to the protrusion 10, and the side of the clamping plate 8 for clamping is provided with a plurality of arrayed concave arc portions, which are more matched with the arc of the surface of the steel pipe, so that the clamping of the clamping plate 8 is more stable.

[0025] The driving device comprises a containing groove 11 arranged on the side wall of the support 1, a lead screw one 12 is rotatably connected to the inner wall of the containing groove 11, a motor one 14 for driving the lead screw one 12 to rotate is installed on the support 1, the motor one 14 is a servo motor, one end of the lead screw one 12 is in transmission connection with the output shaft of the motor one 14, a nut seat one 13 is sleeved on the lead screw one 12, the side wall of the nut seat one 13 is matched with the inner wall of the containing groove 11, and the nut seat one 13 is fixedly connected with the side wall of the moving plate 6.

[0026] The cutting assembly comprises a mounting block 15 in sliding connection with the upper horizontal plate 2 or the lower horizontal plate 3, the upper horizontal plate 2 and the lower horizontal plate 3 are provided with moving devices for driving the mounting block 15 to move, the side of the mounting block 15 close to the cutting groove one 4 or the cutting groove two 5 is fixedly connected with a support plate 16, the sides of the two support plates 16 close to each other are rotatably connected with a plurality of cutting blades 17, the number and position of the plurality of cutting blades 17 are corresponding to the cutting groove one 4 and the cutting groove two 5, and the support plate 16 is installed with a motor two for driving the cutting blades 17 to rotate.

[0027] The moving device comprises two fixed plates 18 fixedly connected with the upper horizontal plate 2 or the lower horizontal plate 3, a lead screw two 19 is rotatably connected between the two fixed plates 18, a motor three 21 for driving the lead screw two 19 to rotate is installed on the fixed plate 18, the motor three 21 is a servo motor, one end of the lead screw two 19 is in transmission connection with the output shaft of the motor three 21, a nut seat two 20 is sleeved on the lead screw two 19, and the nut seat two 20 is fixedly connected with the mounting block 15.

[0028] The two fixed plates 18 are fixedly connected with a limiting rod 22, the nut seat two 20 is provided with a limiting groove through which the limiting rod 22 passes, and in the movement process of the nut seat two 20 along with the rotation of the lead screw two 19, the nut seat two 20 moves along the limiting groove, so that the nut seat two 20 is more stable in the movement process.

[0029] Working principle: when the steel pipe needs to be cut, the steel pipe is inserted through the slot 7, then the clamping plate 8 is driven to close to the steel pipe by the electric push rod 9 and the protrusion 10, until the steel pipe is clamped between the clamping plate 8 and the inner wall of the slot 7, the fixation of the steel pipe is realized, then the nut seat 13 is driven to move to one side by the motor 14, so that the moving plate 6 and the steel pipe are moved upwards, until the end of the steel pipe is extended from the cutting slot 1 on the upper horizontal plate 2, at this time, the cutting blade 17 is driven to move by the motor 21, so that the cutting blade 17 is driven to move by the nut seat 20, the cutting blade 17 is driven to move by the motor 2, the cutting operation of the steel pipe extended from the cutting slot 1 is realized;

[0030] After the cutting of the end of the steel pipe is completed, the nut seat 13 is driven to move downwards by the motor 14, so that the moving plate 6 and the steel pipe are moved downwards, the other end of the steel pipe is extended from the cutting slot 2 on the lower horizontal plate 3, then the cutting blade 17 on the lower horizontal plate 3 is moved by the same way, the cutting operation of the other end of the steel pipe is realized, after the cutting of the two ends is completed, the clamping plate 8 is released by the extended electric push rod 9, the cut steel pipe is taken down, so that the cutting operation of multiple steel pipes can be realized at the same time, the cutting operation of the two ends of the steel pipe can be realized without disassembling the steel pipe, the cutting efficiency of the steel pipe is effectively improved.

[0031] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments only, any technical scheme belonging to the utility model idea is within the protection scope of the utility model. It should be noted that for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the utility model are also considered as the protection scope of the utility model.

Claims

1. A cutting device for seamless steel pipes, comprising a support (1), characterized in that: The support (1) has a symmetrically distributed upper horizontal plate (2) and lower horizontal plate (3) fixedly connected to its side wall. Both the upper horizontal plate (2) and the lower horizontal plate (3) have cutting components on the side away from each other. The upper horizontal plate (2) has multiple sets of parallel cutting grooves (4), and the lower horizontal plate (3) has multiple sets of arrayed cutting grooves (5). The cutting grooves (4) and the cutting grooves (5) are positioned correspondingly. Between the upper horizontal plate (2) and the lower horizontal plate (3), there are several movable plates (6) that are slidably connected to the support (1). The number of movable plates (6) corresponds to the number of cutting grooves (4). The support (1) is provided with a driving device for moving the movable plates (6). The movable plates (6) have slots (7) for steel pipes to pass through. The slots (7) are provided with a fixing device for fixing the steel pipes.

2. The cutting device for seamless steel pipes according to claim 1, characterized in that: The fixing device includes a through groove opened on the inner wall of the slot (7), a clamp (8) slidably connected thereto is provided in the through groove, an electric push rod (9) is fixedly connected to the side wall of the moving plate (6), a protrusion (10) is fixedly connected to the side wall of the clamp (8), and the output end of the electric push rod (9) is fixedly connected to the protrusion (10).

3. The cutting device for a seamless steel pipe according to claim 1, characterized in that: The driving device includes a receiving groove (11) set on the side wall of the bracket (1), a lead screw (12) is rotatably connected to the inner wall of the receiving groove (11), a motor (14) for driving the lead screw (12) to rotate is installed on the bracket (1), a nut seat (13) is sleeved on the lead screw (12), and the nut seat (13) is fixedly connected to the side wall of the moving plate (6).

4. The cutting device for a seamless steel pipe according to claim 1, characterized in that: The cutting assembly includes a mounting block (15) that is slidably connected to the upper horizontal plate (2) or the lower horizontal plate (3). The upper horizontal plate (2) and the lower horizontal plate (3) are each provided with a moving device for moving the mounting block (15). The mounting block (15) is fixedly connected to a support plate (16) on the side near the first cutting groove (4) or the second cutting groove (5). The two sides of the support plates (16) are rotatably connected to a plurality of cutting blades (17) on the side near each other. The number and position of the plurality of cutting blades (17) correspond to the first cutting groove (4) and the second cutting groove (5). The support plate (16) is equipped with a motor 2 for driving the cutting blades (17) to rotate.

5. The cutting device for a seamless steel pipe according to claim 4, characterized in that: The moving device includes two fixed plates (18) that are fixedly connected to the upper horizontal plate (2) or the lower horizontal plate (3). A screw rod (19) is rotatably connected between the two fixed plates (18). A motor (21) for driving the screw rod (19) to rotate is installed on the fixed plate (18). A nut seat (20) is sleeved on the screw rod (19). The nut seat (20) is fixedly connected to the mounting block (15).

6. The cutting device for a seamless steel pipe according to claim 5, characterized in that: A limiting rod (22) is fixedly connected between the two fixing plates (18), and a limiting groove is provided on the nut seat (20) for the limiting rod (22) to pass through.

7. The cutting device for a seamless steel pipe according to claim 2, characterized in that: The clamping plate (8) has several arrayed concave arc sections on one side for clamping.

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