Flattening equipment for steel pipe thermal expansion machining
By designing an automated steel pipe hot expansion processing flat end equipment, which utilizes the movement of the limit block and movable seat driven by a cylinder, combined with the rotation of the grinding terminal driven by a motor, the problem of time-consuming and labor-intensive manual positioning in existing equipment is solved, and efficient steel pipe inner wall grinding and end flattening are achieved.
Patent Information
- Application Number
- CN202520518277.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-24
AI Technical Summary
The existing steel pipe hot expansion processing equipment requires operators to manually install and position the steel pipe, which is time-consuming and labor-intensive, reducing the efficiency of hot expanded steel pipe end finishing.
A flat-end device was designed, comprising a mounting base, a movable base, a slot, a limiting block, a cylinder, and a grinding terminal. The cylinder drives the movement of the limiting block and the movable base to achieve automatic clamping and horizontal movement of the steel pipe. Combined with the motor-driven rotation of the grinding terminal, the inner wall grinding of the steel pipe is completed automatically.
It improves the efficiency of steel pipe installation, positioning, and end milling, reduces manual operation time, enhances equipment stability and safety, and improves the convenience of waste collection.
Smart Images

Figure CN223903586U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to steel pipe processing technical field especially relates to a steel pipe hot expanding processing's flat mouth equipment. BACKGROUND
[0002] Steel pipe hot expanding is a kind of processing mode of steel pipe, and it is to process small-diameter steel pipe into large-diameter steel pipe, and the mechanical property of hot expanding steel pipe is slightly worse than that of hot-rolled steel pipe.The two-step advancing pipe expander used in steel pipe hot expanding integrates taper die expanding technology, digital medium-frequency induction heating technology and hydraulic technology, replaces the traditional pull-pushing expanding technology in steel pipe industry with reasonable process, lower energy consumption, lower construction investment, good product quality, wide raw material and product specification applicability and flexible and variable low-input production batch adaptability.After steel pipe hot expanding, the end of the steel pipe is rough, and the two ends of the steel pipe need to be ground flat, so the flat mouth equipment for steel pipe hot expanding is needed for processing and grinding.
[0003] The existing steel pipe hot expanding flat mouth equipment usually includes a mounting seat, a motor and a grinding terminal, the motor is started to drive the grinding terminal to rotate, and the operator sets the steel pipe on the outer surface of the grinding terminal to realize the grinding of the inner wall of the steel pipe.
[0004] When the existing steel pipe hot expanding flat mouth equipment is used, the operator needs to install and position the steel pipe, which is time-consuming and laborious, so the efficiency of hot expanding and flattening the steel pipe is low. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of steel pipe hot expanding flat mouth equipment, to solve the problem that the existing steel pipe hot expanding flat mouth equipment needs operator to install and position steel pipe when being used, which is time-consuming and laborious, so the efficiency of hot expanding and flattening the steel pipe is low.
[0006] The utility model is realized as follows: a kind of steel pipe hot expanding flat mouth equipment, including mounting seat, the top of the mounting seat is movably connected with movable seat, the side wall of the movable seat is provided with slot one, the inner side wall of the mounting seat close to slot one is rotatably connected with grinding terminal, the end of the mounting seat is fixedly provided with motor, the output end of the motor is fixedly arranged at the end of the grinding terminal, the top of the movable seat is fixedly provided with cylinder two, the output end of the cylinder two is fixedly provided with limiting block, the bottom of the limiting block is provided with slot two, the end of the mounting seat away from the motor is fixedly provided with cylinder one, the output end of the cylinder one is fixedly arranged on the side wall of the movable seat.
[0007] Preferably, the surface of the mounting seat is provided with slot one for the sliding of the movable seat, and the external dimension of the bottom of the movable seat is matched with the internal dimension of slot one, so as to improve the stability of the horizontal movement of the movable seat.
[0008] Preferably, the mounting seat is clamped with two transparent plates on the side wall near the polishing terminal, the transparent plates are rectangular in plastic material, and the safety of the flat mouth is improved.
[0009] Preferably, the mounting seat is inserted with a waste box on the side wall near the transparent plate below, a handle is fixed on the side wall of the waste box, the handle is U-shaped, and the convenience of waste collection is improved.
[0010] Preferably, the mounting seat is provided with a notch three on the surface near the polishing terminal below, the notch three penetrates the side wall of the mounting seat for the waste box to be inserted, and the external dimension of the waste box is matched with the internal dimension of the notch three, so that the stability of the waste box installation is improved.
[0011] Preferably, the movable seat is provided with a notch two on the side wall near the clamping groove one above, the notch two is communicated with the clamping groove one for the limiting block to slide, the radii of the clamping groove one and the clamping groove two are the same, the center of the clamping groove one and the polishing terminal are located in the same horizontal direction, and the stability of the vertical movement of the limiting block is improved.
[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0013] Firstly, by arranging the movable seat, the clamping groove one, the limiting block, the cylinder one, the cylinder two and the clamping groove two, the cylinder two is started to drive the limiting block to move vertically, so that the steel pipe is clamped conveniently, then the cylinder one is started to drive the movable seat to move horizontally, so that the efficiency of the steel pipe sleeved on the outer surface of the polishing terminal is improved, and the efficiency of the steel pipe flat mouth is improved; secondly, by arranging the notch one and the notch two, the internal dimensions of the notch one and the notch two are matched with the external dimensions of the movable seat and the limiting block in sequence, and the stability of the movement of the movable seat and the limiting block is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a side view three-dimensional structure schematic diagram of the utility model.
[0015] Figure 2 It is a front view three-dimensional structure schematic diagram of the utility model.
[0016] Figure 3 It is a front view cross section structure schematic diagram of the utility model.
[0017] Figure 4 It is a mounting seat front view three-dimensional structure schematic diagram of the utility model.
[0018] The figure mark is: 1, mounting seat; 2, movable seat; 3, clamping groove one; 4, limiting block; 5, notch one; 6, cylinder one; 7, cylinder two; 8, polishing terminal; 9, motor; 10, clamping groove two; 11, notch two; 12, transparent plate; 13, waste box; 14, handle; 15, notch three. DETAILED DESCRIPTION
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting upon the application; the use herein of terms such as "comprise", "have" and "include" or variations thereof, is intended to cover the presence of successively more optional groups, and the use of terms such as "first", "second", and "other" are used for purposes of description and do not necessarily indicate a particular order or sequence.
[0020] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to one alternative embodiment versus another alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.
[0021] See Figures 1-4The utility model provides an embodiment: a kind of flat mouth equipment of steel pipe hot expansion, it is equipped with mounting seat 1, the top of mounting seat 1 is movably connected with movable seat 2, clamping groove one 3 is opened on the lateral wall of movable seat 2, grinding terminal 8 is rotatably connected on the inner side wall of mounting seat 1 close to clamping groove one 3, motor 9 is fixedly equipped at the end of mounting seat 1, the output end of motor 9 is fixedly equipped in the end of grinding terminal 8 by connecting shaft, motor 9 is in convex letter shape, the end of grinding terminal 8 is conical for easy insertion in the middle of steel pipe, starting motor 9 can drive grinding terminal 8 high-speed rotation to realize flat mouth processing, the top of movable seat 2 is fixedly equipped with cylinder two 7, the output end of cylinder two 7 is fixedly equipped with limit block 4, clamping groove two 10 is opened in the bottom of limit block 4, the radius size of clamping groove one 3 and clamping groove two 10 is same for steel pipe clamping, the center of clamping groove one 3 and grinding terminal 8 are in the same horizontal direction, anti-skid groove is opened on the inner side wall of clamping groove one 3 and clamping groove two 10, and the stability of steel pipe clamping can be increased, the end of mounting seat 1 away from motor 9 is fixedly equipped with cylinder one 6, the output end of cylinder one 6 is fixedly equipped on the lateral wall of movable seat 2, the one end of steel pipe is clamped in the inside of clamping groove one 3, then starting cylinder two 7 can drive limit block 4 vertically move towards each other, so that steel pipe is clamped in the inside of clamping groove one 3 and clamping groove two 10, the operator starts cylinder one 6 and can drive movable seat 2 horizontal movement, so that the steel pipe clamped is equipped on the outer surface of grinding terminal 8, motor 9 is high-speed rotation in the inside of steel pipe to realize the grinding of the inner wall of steel pipe, when the end of steel pipe abuts on the lateral wall of grinding terminal 8, the grinding of the end of steel pipe can be realized, so that the end of steel pipe is flat, so as to improve the efficiency of steel pipe installation positioning and flat mouth processing.
[0022] The surface of mounting seat 1 is equipped with slot one 5 for the sliding of movable seat 2, the external dimension of the bottom of movable seat 2 is adapted to the internal dimension of slot one 5, the stability of movable seat 2 horizontal movement is improved, the lateral wall above clamping groove one 3 of movable seat 2 is equipped with slot two 11, slot two 11 is communicated with clamping groove one 3 for the sliding of limit block 4, the external dimension of the bottom of limit block 4 is adapted to the internal dimension of slot two 11, the stability of limit block 4 vertical movement is improved.
[0023] The lateral wall close to grinding terminal 8 of mounting seat 1 is clamped with two transparent plates 12, the transparent plate 12 is plastic material and rectangular, the transparent plate 12 can shield metal debris splashing, the safety of flat mouth processing is improved.
[0024] The installation base 1 is inserted with the waste box 13 on the side wall near the lower side of the transparent plate 12, the handle 14 is fixed on the side wall of the waste box 13, the handle 14 is located directly below the polishing terminal 8 for collecting debris, the handle 14 is U-shaped for the operator to pull, which improves the convenience of waste collection, and the installation base 1 is provided with a slot three 15 on the surface near the lower side of the polishing terminal 8, the slot three 15 penetrates the side wall of the installation base 1 for the waste box 13 to be inserted, and the external size of the waste box 13 is matched with the internal size of the slot three 15, thereby improving the stability of the installation of the waste box 13.
[0025] Working principle: when the steel pipe hot expansion processing flat mouth equipment is used, the operator first connects the power supply, the clamping groove one 3 and the polishing terminal 8 are located in the same vertical direction, the operator clamps one end of the steel pipe in the inside of the clamping groove one 3, and then starts the cylinder two 7 to drive the limiting block 4 to move vertically and oppositely, so that the steel pipe is clamped in the inside of the clamping groove one 3 and the clamping groove two 10, and the inside walls of the clamping groove one 3 and the clamping groove two 10 are both provided with anti-skid grooves to increase the stability of the clamping of the steel pipe, the operator starts the cylinder one 6 to drive the movable seat 2 to move horizontally, so that the clamped steel pipe is sleeved on the outer surface of the polishing terminal 8, and then the motor 9 is started to drive the polishing terminal 8 to rotate at high speed, the motor 9 is in the shape of a convex letter, and when the motor 9 rotates at high speed in the inside of the steel pipe, the polishing of the inner wall of the steel pipe is realized, when the end of the steel pipe abuts against the side wall of the polishing terminal 8, the polishing of the end of the steel pipe is realized, so that the end of the steel pipe is flat, and the efficiency of the steel pipe installation positioning and flat mouth processing is improved.
[0026] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the action sequence described, because according to the present application, some steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.
[0027] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other means. For example, the device embodiments described above are only illustrative, for example, the division of the above units, actual implementation can have another division way, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the displayed or discussed can be through some interface, indirect coupling or communication connection between devices or units, which can be electrical or other forms.
[0028] The units described as separate components above can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, can be located in one place, or can be distributed to multiple network units. Part or all of the units can be selected to achieve the purpose of the embodiment scheme according to actual needs.
[0029] The above embodiments are only used to illustrate the technical solutions of the present application, and do not limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in each embodiment of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope to be protected by the present application.
Claims
1. A flat facing apparatus for hot expansion working of a steel pipe, characterized by, The utility model provides a kind of polishing device, including mounting seat (1): the top movable connection of the mounting seat (1) movable seat (2), the side wall of the movable seat (2) is equipped with slot one (3), the inner side wall of the mounting seat (1) is rotatably connected with polishing terminal (8) close to slot one (3), the end of the mounting seat (1) is equipped with motor (9), the output of the motor (9) is fixedly arranged in the end of polishing terminal (8), the top of the movable seat (2) is equipped with cylinder two (7), the output of the cylinder two (7) is fixedly arranged with limit block (4), the bottom of the limit block (4) is equipped with slot two (10), the end of the mounting seat (1) is equipped with cylinder one (6) away from motor (9), the output of the cylinder one (6) is fixedly arranged on the side wall of movable seat (2).
2. A hot pipe expanding apparatus for flattening the end of a steel pipe as set forth in claim 1, characterized in that: The surface of the mounting seat (1) is equipped with slot one (5) for the sliding of the movable seat (2), and the outer dimensions of the bottom of the movable seat (2) are matched with the inner dimensions of the slot one (5).
3. A hot pipe expanding apparatus for flattening the end of a steel pipe as set forth in claim 1, characterized in that: The side wall of the mounting seat (1) close to the polishing terminal (8) is clamped with two transparent plates (12), and the transparent plates (12) are all rectangular in plastic material.
4. A hot pipe expanding apparatus for flattening the end of a steel pipe as set forth in claim 1, characterized in that: The side wall of the mounting seat (1) close to the transparent plate (12) below is inserted with a waste box (13), and the side wall of the waste box (13) is fixedly provided with a handle (14), and the handle (14) is U-shaped.
5. A hot pipe expanding apparatus for flattening the ends of a steel pipe as set forth in claim 1, characterized in that: The surface of the mounting seat (1) close to the polishing terminal (8) below is equipped with slot three (15), and the slot three (15) penetrates the side wall of the mounting seat (1) for the insertion of the waste box (13), and the outer dimensions of the waste box (13) are matched with the inner dimensions of the slot three (15).
6. A hot pipe expanding apparatus for flattening the ends of a steel pipe as set forth in claim 1, characterized in that: The side wall of the movable seat (2) close to slot one (3) above is equipped with slot two (11), and the slot two (11) is communicated with slot one (3) for the sliding of the limit block (4), the radius dimensions of the slot one (3) and slot two (10) are same, and the center of the slot one (3) and the polishing terminal (8) are located in the same horizontal direction.