CN211386921U

CN211386921U - High-efficient high-pressure alloy steel pipe welding groove preparation equipment

Info

Publication number: CN211386921U
Application number: CN201922239955.3U
Authority: CN
Inventors: 赵增宝; 朱才网; 季锋雷
Original assignee: Jiangsu Eastern Complete Equipment Manufacturing Group Co ltd
Current assignee: Jiangsu Eastern Complete Equipment Manufacturing Group Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-09-01
Anticipated expiration: 2029-12-14

Abstract

The utility model discloses a high-efficient high-pressure alloy steel pipe welding groove preparation equipment relates to the steel rolling field, including lathe body and steel pipe, lathe body center transversely be provided with screw-rod mechanism, screw-rod mechanism both sides be provided with linear rail mechanism, the lathe body right-hand member be provided with the steel pipe and rise tight mechanism, the beneficial effects of the utility model reside in that: the main shaft is clamped by hydraulic tensioning and end face positioning, the dimension consistency of the groove of the workpiece lathe is ensured, the groove is machined for pipes with different lengths, the efficiency is increased by rapidly clamping the workpiece, the coaxiality of an inner circle and an outer circle is ensured due to high positioning precision of a lathe head, a positioning structure is added on a pipe orifice, repeated tool setting is avoided, and the consistency of the length of the groove is ensured; the fixed tail frame of the linear rail and linear rail pair is added to ensure the stable and repeated positioning precision of the tail frame, and the speed reducer is added with a torque limiter to control the transmission force of the screw rod and ensure the jacking force of the tail frame.

Description

High-efficient high-pressure alloy steel pipe welding groove preparation equipment

Technical Field

The utility model relates to a steel rolling field, concretely relates to high-efficient high-pressure alloy steel pipe welding groove preparation equipment.

Background

The production of excellent steel pipes requires various delicate processes, careful processing is also required in operation, and the steel pipes with higher quality are usually subjected to special attention in each processing step.

In the prior art, a steel pipe welding groove is machined by using a groove machine, and various steel pipe groove machines sold in the market at present generally have the problems of low machining efficiency, inconvenience in operation or high price. The steel pipe beveling machine which occupies a dominant position in the market is an internal expansion type steel pipe beveling machine, the internal expansion type beveling machine needs to erect a steel pipe or insert an expansion block of the beveling machine into a pipeline, the expansion block is expanded and then beveled, and an operator needs to hold the beveling machine with one hand and rotate the feeding wheel with the other hand to operate. The operation mode has low working efficiency and unsafe property.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a high-efficient high-pressure alloy steel pipe welding groove preparation equipment.

In order to realize the technical purpose, the utility model discloses a scheme is:

preferably, the high-efficiency high-pressure alloy steel pipe welding groove machining equipment comprises a lathe body and a steel pipe, wherein a screw rod mechanism is transversely arranged in the center of the lathe body, linear rail mechanisms are arranged on two sides of the screw rod mechanism, and a steel pipe tensioning mechanism is arranged at the right end of the lathe body; the screw rod mechanism comprises a speed reducer, a torque limiter, a chain wheel fixing seat, a screw rod, a thread sleeve fixing seat and a bearing seat mechanism, wherein the torque limiter is arranged at the driving end of the speed reducer, the torque limiter is connected with the chain wheel fixing seat through a chain, the screw rod penetrates through the chain wheel fixing seat, the thread sleeve fixing seat and the bearing seat mechanism sequentially penetrate through the right side of the screw rod, the thread sleeve fixing seat is connected with a fixing plate, and the bearing seat mechanism is connected with a lathe body through a screw; the lathe body on be provided with line rail mechanism, line rail mechanism include line rail and line rail pair, the line rail set up the upper surface both sides at the lathe body, every group line rail on be provided with two sets of line rail pairs around, the line rail pair set up in the line rail pair inslot of bottom.

Preferably, the steel pipe tensioning mechanism comprises a rotary oil cylinder, a first adapter flange, a first pull rod, a second adapter flange, a positioning ring, an expansion sleeve, a pressing plate and a clamp body, wherein a lathe main shaft penetrates through the lathe body, the right end of the lathe main shaft is connected with the first adapter flange through a screw, the right end of the first adapter flange is connected with the rotary oil cylinder through a screw, the left end of the lathe main shaft is connected with the second adapter flange through a screw, the second adapter flange is connected with the clamp body through a screw, the positioning ring is arranged between the clamp body and the steel pipe, and the expansion sleeve is arranged between the outer ring of the conical surface of the clamp body and the inner wall of the steel pipe; the rotary oil cylinder is internally connected with a first pull rod through threads, the first pull rod is connected with a second pull rod through threads, the left end of the second pull rod extends into the steel pipe and is fixed with a pressing plate through a nut, and the right end of the pressing plate is in contact with the left end of the expansion sleeve.

Preferably, the bearing seat mechanism comprises a second bearing seat, a second bearing, a spacer bush, a second fastening nut and a second planar bearing, the spacer bush is arranged on the inner wall of the second bearing seat, the second bearing is arranged on two sides of the spacer bush, a positioning ring is arranged on the right side of the spacer bush, the second planar bearing is arranged in the positioning ring, and the second planar bearing is fixed through the second fastening nut.

Preferably, the sprocket fixing seat comprises a first bearing seat, a first bearing, a spacer bush, a first fastening nut, a sprocket and a first plane bearing, the spacer bush is arranged on the inner wall of the first bearing seat, the bearing is arranged on one side of the spacer bush, the part of the spacer bush extending out of the first bearing seat leftwards adopts an L-shaped opening form and is provided with the first plane bearing, the sprocket is arranged at the left end of the first plane bearing, and the sprocket is fixed through the first fastening nut.

Preferably, a tail frame is fixed at the upper end of the fixing plate, an ejector pin is arranged on one side of the tail frame, and the ejector pin is arranged in the steel pipe and supports the steel pipe.

Preferably, the inner wall of the thread sleeve fixing seat is provided with a T-shaped thread sleeve.

Preferably, the speed reducer is fixed to one side of the lathe body by a screw, the torque limiter is provided with a sprocket, and the sprocket of the torque limiter and the sprocket of the sprocket fixing seat are arranged on the same straight line.

The beneficial effects of the utility model reside in that:

1. the main shaft is clamped by adopting hydraulic tensioning and end face positioning, the size consistency of the groove of the workpiece lathe is ensured, the groove is machined for the pipe fitting with an indefinite length, the efficiency is increased by rapidly clamping the workpiece, the coaxiality of an inner circle and an outer circle is ensured due to high positioning precision of the lathe head, a positioning structure is added on the pipe orifice, repeated tool setting is avoided, and the consistency of the length of the groove is ensured.

2. The fixed tail frame of the linear rail and linear rail pair is added to ensure the stable and repeated positioning precision of the tail frame, and the speed reducer is added with a torque limiter to control the transmission force of the screw rod and ensure the jacking force of the tail frame.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the linear rail mechanism of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic structural view of the steel tube tensioning mechanism;

FIG. 5 is a schematic structural view of a bearing housing mechanism;

FIG. 6 is a schematic structural view of the sprocket fixing seat;

fig. 7 is a schematic structural view of the thread insert fixing seat.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1, the embodiment of the present invention is

The high-efficiency high-pressure alloy steel pipe welding groove machining equipment comprises a lathe body 1 and a steel pipe 7, wherein a screw rod mechanism 2 is transversely arranged at the center of the lathe body 1, linear rail mechanisms 11 are arranged on two sides of the screw rod mechanism 2, and a steel pipe tensioning mechanism 8 is arranged at the right end of the lathe body 1; the screw rod mechanism 2 comprises a speed reducer 12, a torque limiter 13, a chain wheel fixing seat 3, a screw rod 201, a thread sleeve fixing seat 10 and a bearing seat mechanism 9, the torque limiter 13 is arranged at the driving end of the speed reducer 12, the torque limiter 13 is connected with the chain wheel fixing seat 3 through a chain, the screw rod 201 penetrates through the chain wheel fixing seat 3, the thread sleeve fixing seat 10 and the bearing seat mechanism 9 sequentially penetrate through the right side of the screw rod 201, the thread sleeve fixing seat 10 is connected with a fixing plate 4, and the bearing seat mechanism 9 is connected with the lathe body 1 through a screw; the lathe body 1 is provided with a linear rail mechanism 11, the linear rail mechanism 11 comprises linear rails 111 and linear rail pairs 112, the linear rails 111 are arranged on two sides of the upper surface of the lathe body 1, two groups of linear rail pairs 112 are arranged on each group of linear rails 111 in a front-back mode, and the linear rail pairs 112 are arranged in linear rail pair grooves at the bottom.

The steel pipe tensioning mechanism 8 comprises a rotary oil cylinder 806, a first adapter flange 805, a first pull rod 807, a second pull rod 809, a second adapter flange 804, a positioning ring 803, an expansion sleeve 802, a pressing plate 801 and a clamp body 810, wherein a lathe main shaft 808 penetrates through the lathe body 1, the right end of the lathe main shaft 808 is connected with the first adapter flange 805 through a screw, the right end of the first adapter flange 805 is connected with the rotary oil cylinder 806 through a screw, the left end of the lathe main shaft 808 is connected with the second adapter flange 804 through a screw, the second adapter flange 804 is connected with the clamp body 810 through a screw, the positioning ring 803 is arranged between the clamp body 810 and the steel pipe 7, and the expansion sleeve 802 is arranged between the outer ring of the conical surface of the clamp body 810 and the inner wall of the steel pipe 7; the inside of the rotary oil cylinder 806 is connected with a first pull rod 807 through threads, the first pull rod 807 is connected with a second pull rod 809 through threads, the left end of the second pull rod 809 extends into the steel pipe 7 and is fixed with a pressing plate through a nut, and the right end of the pressing plate 801 is in contact with the left end of the expansion sleeve 802.

The bearing seat mechanism 9 comprises a second bearing seat 91, a second bearing 95, a spacer 92, a second fastening nut 94 and a second planar bearing 93, the spacer 92 is arranged on the inner wall of the second bearing seat 91, the second bearing 95 is arranged on two sides of the spacer 92, a positioning ring is arranged on the right side of the spacer 92, the second planar bearing 93 is arranged in the positioning ring, and the second planar bearing 93 is fixed through the second fastening nut 94.

The sprocket fixing seat 3 comprises a first bearing seat 301, a first bearing 302, a spacer 92, a first fastening nut 304, a sprocket 303 and a first plane bearing 305, the spacer 92 is arranged on the inner wall of the first bearing seat 301, a bearing is arranged on one side of the spacer 92, the part of the spacer 92 extending out of the first bearing seat 301 leftwards adopts an L-shaped opening form and is provided with the first plane bearing 305, the sprocket 303 is arranged at the left end of the first plane bearing 305, and the sprocket 303 is fixed through the first fastening nut 304.

The upper end of the fixing plate 4 is fixed with a tail frame 5, one side of the tail frame 5 is provided with a thimble 6, and the thimble 6 is arranged in the steel pipe 7 and supports the steel pipe 7.

The inner wall of the thread insert fixing seat 10 is provided with a T-shaped thread insert 101.

The speed reducer 12 is fixed on one side of the lathe body 1 through screws, the torque limiter 13 is provided with a chain wheel, and the chain wheel of the torque limiter 13 and the chain wheel 303 of the chain wheel fixing seat 3 are arranged on the same straight line.

In the specific implementation:

1. the expansion sleeve 802 and the clamp body 810 in the steel pipe tensioning mechanism 8 extend into a steel pipe 7, the expansion sleeve 802 is limited to move by the pressing plate 810, the first pull rod 807 and the second pull rod 809 are sequentially pulled by the rotating oil cylinder 806, finally the pressing plate 810 is pulled backwards by the second pull rod 809 to tension the expansion sleeve 802 and the inner wall of the steel pipe 7, the main shaft is clamped by hydraulic pressure, end face positioning is adopted, the size consistency of a groove of a workpiece car is ensured, the groove is machined for a pipe fitting with an indefinite length, the efficiency of rapidly clamping the workpiece is increased, the coaxiality of an inner circle and an outer circle is ensured due to high positioning precision of a head, a positioning structure is added to a pipe orifice, repeated tool setting is avoided, and the consistency.

2. The chain wheel of the torque limiter 13 is driven by the speed reducer 12, the chain wheel of the torque limiter 13 drives the chain wheel 303 of the chain wheel fixing seat 3 to rotate so as to drive the screw rod 201 to rotate, the other side of the screw rod 201 is fixed on the lathe body 1, the two sides of the lathe body 1 are provided with the wire rails 111, two sets of wire rail pairs 112 are installed on the wire rails 111, the wire rail pairs 112 are installed in the wire rail pair grooves of the fixing plate 4, the thread sleeve fixing seat 10 is fixed on the fixing plate 4 of the tail frame 5 and matched with the wire rails 111 and the wire rail pairs 112 to move back and forth along with the rotation of the screw rod 201, the wire rail pair fixing tail frame is added to ensure the stability and repeated positioning accuracy of the tail frame, the torque limiter is added on the speed reducer, the.

3. The tail end of the steel pipe 7 is propped against the thimble 6, the lathe is started to turn the welding groove at the left end of the steel pipe 7, the steel pipe 7 is directly replaced to another lathe to process another welding groove after the machining is finished, the assembly line operation is realized, and the production efficiency of the steel pipe is improved.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient high-pressure alloy steel pipe welding groove preparation equipment, includes lathe body (1) and steel pipe (7), its characterized in that: a screw rod mechanism (2) is transversely arranged at the center of the lathe body (1), linear rail mechanisms (11) are arranged on two sides of the screw rod mechanism (2), and a steel pipe tensioning mechanism (8) is arranged at the right end of the lathe body (1); the screw rod mechanism (2) comprises a speed reducer (12), a torque limiter (13), a chain wheel fixing seat (3), a screw rod (201), a thread sleeve fixing seat (10) and a bearing seat mechanism (9), the torque limiter (13) is arranged at the driving end of the speed reducer (12), the chain wheel fixing seat (3) is connected with the torque limiter (13) through a chain, the screw rod (201) penetrates through the chain wheel fixing seat (3), the thread sleeve fixing seat (10) and the bearing seat mechanism (9) sequentially penetrate through the right side of the screw rod (201), the thread sleeve fixing seat (10) is connected with a fixing plate (4), and the bearing seat mechanism (9) is connected with the lathe body (1) through a screw; the lathe body (1) on be provided with line rail mechanism (11), line rail mechanism (11) including line rail (111) and line rail pair (112), line rail (111) set up the upper surface both sides in lathe body (1), every group line rail (111) on be provided with two sets of line rail pairs (112) around, line rail pair (112) set up in the line rail pair inslot of bottom.

2. The high-efficiency high-pressure alloy steel pipe welding groove machining equipment according to claim 1, characterized in that: the steel pipe tensioning mechanism (8) comprises a rotary oil cylinder (806), a first adapter flange (805), a first pull rod (807), a second pull rod (809), a second adapter flange (804), a positioning ring (803), an expansion sleeve (802), a pressure plate (801) and a clamp body (810), the lathe body (1) is provided with a lathe spindle (808) in a penetrating way, the right end of the lathe spindle (808) is connected with a first adapter flange (805) through a screw, the right end of the first adapter flange (805) is connected with a rotary oil cylinder (806) through a screw, the left end of the lathe spindle (808) is connected with a second adapter flange (804) through a screw, the second adapter flange (804) is connected with a clamp body (810) through a screw, a positioning ring (803) is arranged between the clamp body (810) and the steel pipe (7), an expansion sleeve (802) is arranged between the outer ring of the conical surface of the clamp body (810) and the inner wall of the steel pipe (7); the inside first pull rod (807) that has through threaded connection of swivel cylinder (806), first pull rod (807) have second pull rod (809) through threaded connection, second pull rod (809) left end extend to inside steel pipe (7) and be fixed with the clamp plate through the nut, clamp plate (801) right-hand member and rise cover (802) left end contact.

3. The high-efficiency high-pressure alloy steel pipe welding groove machining equipment according to claim 1, characterized in that: the bearing seat mechanism (9) comprises a second bearing seat (91), a second bearing (95), a spacer bush (92), a second fastening nut (94) and a second planar bearing (93), wherein the spacer bush (92) is arranged on the inner wall of the second bearing seat (91), the second bearing (95) is arranged on two sides of the spacer bush (92), a positioning ring is arranged on the right side of the spacer bush (92), the second planar bearing (93) is arranged in the positioning ring, and the second planar bearing (93) is fixed through the second fastening nut (94).

4. The high-efficiency high-pressure alloy steel pipe welding groove machining equipment according to claim 1, characterized in that: sprocket fixing base (3) include first bearing frame (301), first bearing (302), spacer (92), first fastening nut (304), sprocket (303) and first plane bearing (305), first bearing frame (301) inner wall be provided with spacer (92), spacer (92) one side be provided with the bearing, spacer (92) the part that extends first bearing frame (301) left adopt L shape open mode and be provided with first plane bearing (305), first plane bearing (305) left end be provided with sprocket (303), sprocket (303) fixed through first fastening nut (304).

5. The high-efficiency high-pressure alloy steel pipe welding groove machining equipment according to claim 1, characterized in that: the steel tube fixing device is characterized in that a tail frame (5) is fixed at the upper end of the fixing plate (4), an ejector pin (6) is arranged on one side of the tail frame (5), and the ejector pin (6) is arranged inside the steel tube (7) and supports the steel tube (7).

6. The high-efficiency high-pressure alloy steel pipe welding groove machining equipment according to claim 1, characterized in that: the inner wall of the thread sleeve fixing seat (10) is provided with a T-shaped thread sleeve (101).

7. The high-efficiency high-pressure alloy steel pipe welding groove machining equipment according to claim 1, characterized in that: the speed reducer (12) is fixed on one side of the lathe body (1) through screws, the torque limiter (13) is provided with a chain wheel, and the chain wheel of the torque limiter (13) and the chain wheel (303) of the chain wheel fixing seat (3) are arranged on the same straight line.