Cutting device for welded pipe production
By using a servo motor-driven adjusting rod and adjusting plate system, combined with bolts, connecting rods and limiting mechanisms, the problems of time-consuming, labor-intensive and low-precision traditional welded pipe cutting are solved, realizing automated cutting and blanking, and adapting to the efficient cutting of welded pipes of different specifications.
Patent Information
- Application Number
- CN202423182684.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Traditional welded pipe cutting methods are time-consuming, labor-intensive, lack precision, have high labor costs, poor adaptability, and are difficult to meet the cutting needs of welded pipes of different diameters and models.
The system employs a servo motor-driven adjusting rod and adjusting plate system, combined with bolts, connecting rods, and limiting mechanisms, to automatically adjust and stabilize the position of the welded pipe. It is equipped with a semi-circular plate for automatic material feeding, adapting to the cutting of welded pipes of different specifications and thicknesses.
It improves cutting accuracy and production efficiency, reduces manual operation, enhances the adaptability and versatility of the equipment, and realizes automated cutting and unloading of welded pipes.
Smart Images

Figure CN223718403U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welded pipe cutting technical field especially welded pipe production cutting device. BACKGROUND
[0002] Welded pipe is also called welded pipe, which is made of steel plate or strip steel after coiling forming and welding. Welded pipe has the advantages of simple production process, high production efficiency, various specifications and less equipment investment. The traditional welded pipe weld is weak and cannot meet the use requirements in some high pressure occasions, which limits the further development of welded pipe. The high-pressure leak-proof welded pipe greatly improves the strength of the welded pipe weld through special welding process, so that it can be used in high pressure environment, which has good development prospect.
[0003] However, the traditional welded pipe cutting method has some shortcomings: first, when cutting the welded pipe, it is usually necessary to manually clamp the welded pipe, which not only wastes time and effort, but also may affect the cutting accuracy due to human factors; second, after cutting, the worker must manually move the cut welded pipe away from the operation table, which not only increases the labor cost, but also may cause safety risks and low production efficiency; in addition, the existing cutting device is generally only suitable for cutting welded pipes of the same diameter, and has poor adaptability to welded pipes of different diameters and models, which limits its actual application range and practicality. Therefore, we designed a cutting device for welded pipe production to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problems in the prior art and provides a cutting device for welded pipe production.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] The cutting device for welded pipe production comprises a treatment box, a servo motor fixedly connected to the top of the treatment box, an adjusting rod fixedly connected to the output end of the servo motor, an adjusting plate connected to the outer side wall of the adjusting rod, the outer side wall of the adjusting plate and the inner side wall of the treatment box being slidably connected, a cutting head installed at the bottom of the adjusting plate, two symmetrical linkage plates fixedly connected to the bottom of the adjusting plate, a first connecting plate connected to the linkage plates through a connecting rod mechanism, the first connecting plate being connected to the inner side wall of the treatment box through a limiting mechanism, a second connecting plate connected to the first connecting plate through a bolt mechanism, and a semicircular plate fixedly installed at the bottom of the second connecting plate.
[0007] Preferably, the adjusting rod is provided with external threads, the adjusting plate is provided with a threaded opening, and the inner side wall of the threaded opening is threadedly connected with the outer side wall of the adjusting rod.
[0008] Preferably, the connecting rod mechanism comprises a first mounting block fixedly connected to the outer side wall of the linkage plate, a second mounting block fixedly connected to the top of the first connecting plate, and the first connecting plate and the second mounting block are connected by a connecting rod.
[0009] Preferably, the outer side wall of the first mounting block is fixedly connected with a first rotating column, the outer side wall of the second mounting block is fixedly connected with a second rotating column, and the two ends of the connecting rod are provided with rotating openings, and the two rotating openings are respectively rotatably connected with the outer side walls of the first rotating column and the second rotating column.
[0010] Preferably, the bolt mechanism comprises four first bolt openings formed at opposite corners of the first connecting plate, four second bolt openings are arranged at opposite corners of the second connecting plate, and the corresponding first bolt opening and second bolt opening are threadedly connected with the same bolt.
[0011] Preferably, the limiting mechanism comprises a sliding rod fixedly connected to the outer side wall of the first connecting plate, and the sliding rod is arranged in the processing box.
[0012] Preferably, the sliding groove is arranged in an L shape.
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] 1. The utility model discloses a bolt mechanism, a first connecting plate, a second connecting plate and a semicircular plate can prevent product inclination and falling after welding by giving enough contact area, realize flexible replacement of the second connecting plate of different shapes and sizes according to actual application scene, and automatic adjustment to the appropriate posture is carried out to realize stable fixation, and then manpower intervention is not needed, can satisfy the diversified demand required when cutting after welding forming of steel pipes of different specifications and thicknesses, and the adaptability and universality degree are improved.
[0015] 2. The utility model discloses a limiting mechanism, a sliding rod, a sliding groove and a connecting rod mechanism are used in cooperation, realize easy unloading after pipe cutting, save the step of moving finished products and reduce the burden of laborers, effectively reduce the dependence on manual operation and greatly increase the productivity. DRAWINGS
[0016] Figure 1 The utility model discloses a three-dimensional drawing of the cutting device for welded pipe production is provided.
[0017] Figure 2 The utility model discloses a bolt mechanism structure schematic drawing of the cutting device for welded pipe production is provided.
[0018] Figure 3 The utility model discloses an adjusting rod and adjusting plate structure schematic drawing of the cutting device for welded pipe production is provided.
[0019] Figure 4 The utility model provides a connecting rod mechanism structure schematic view of cutting device for welded pipe production.
[0020] In the figure: 1, processing box; 2, servo motor; 3, adjusting rod; 4, adjusting plate; 5, cutting head; 6, linkage plate; 7, first connecting plate; 8, second connecting plate; 9, second mounting block; 10, first mounting block; 11, connecting rod; 12, bolt; 13, semicircular plate; 14, sliding groove; 15, sliding rod. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] In the description of the utility model, it needs to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do 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.
[0023] Reference Figures 1-4 The cutting device for welded pipe production includes a processing box 1, the top of the processing box 1 is fixedly connected with a servo motor 2, the output end of the servo motor 2 is fixedly connected with an adjusting rod 3, the servo motor 2 drives the adjusting rod 3 to perform accurate rotation and lifting action, the different angles and heights required in the cutting process of the welded pipe are realized, the outer side wall of the adjusting rod 3 is connected with an adjusting plate 4, the outer side wall of the adjusting plate 4 is slidably connected with the inner side wall of the processing box 1, and the bottom of the adjusting plate 4 is provided with a cutting head 5, so that the position of the adjusting plate 4 can be flexibly adjusted during cutting, and stable movement is maintained, so that the accuracy in the cutting process is ensured, and the adjusting plate 4 is an important tool for actual cutting work, the bottom of the adjusting plate 4 is fixedly connected with two symmetrical linkage plates 6, the linkage plates 6 are connected with a first connecting plate 7 through a connecting rod mechanism, the first connecting plate 7 is connected with the inner side wall of the processing box 1 through a limiting mechanism, the first connecting plate 7 is connected with a second connecting plate 8 through a bolt mechanism, and the main purpose of the second connecting plate 8 is that it can be matched with pipes of different diameters, when the specification of the welded pipe to be cut is changed, the thickness of the second connecting plate 8 can be adjusted according to new parameters, and the bottom of the second connecting plate 8 is fixedly provided with a semicircular plate 13.
[0024] The adjusting rod 3 is provided with external threads, and the adjusting plate 4 is provided with a threaded hole, and the inner side wall of the threaded hole is threadedly connected with the outer side wall of the adjusting rod 3, so that the position of the adjusting rod 3 relative to the adjusting plate 4 is stably and precisely adjusted.
[0025] The connecting rod mechanism comprises a first mounting block 10 fixedly connected to the outer side wall of the linkage plate 6, and a second mounting block 9 fixedly connected to the top of the first connecting plate 7, and the first connecting plate 7 and the second mounting block 9 are connected through a connecting rod 11, so that the movement is effectively transmitted, and the linkage plate 6 is connected with the connecting rod 11 through the first mounting block 10, so that the movement of the whole cutting system is coordinated.
[0026] The first mounting block 10 is fixedly connected with a first rotating column on the outer side wall, the second mounting block 9 is fixedly connected with a second rotating column on the outer side wall, and the connecting rod 11 is provided with rotating holes at both ends, and the two rotating holes are rotatably connected with the outer side walls of the first rotating column and the second rotating column respectively, so that the connecting rod 11 can be flexibly rotated with the two rotating columns as the shaft, and a reliable guarantee is provided for realizing efficient cutting operation in the production of welded pipes.
[0027] The bolt mechanism comprises four first bolt holes formed at opposite corners of the first connecting plate 7, and four second bolt holes are formed at opposite corners of the second connecting plate 8, and the corresponding first bolt hole and second bolt hole are threadedly connected with the same bolt 12, and the design of the four bolts ensures the stability of the connection, so that the two connecting plates can be firmly combined together, and the first connecting plate 7 and the second connecting plate 8 are accurately corresponded through the opposite bolt holes, so that the two can be quickly and accurately positioned during installation, and the overall structure is prevented from being loosened or misaligned due to position deviation, and the structure design is convenient for on-site assembly and disassembly, and when different welded pipes need to be cut, the bolt 12 can be individually disassembled and replaced with the second connecting plate 8, so that the whole cutting device does not need to be replaced.
[0028] The limiting mechanism comprises a sliding rod 15 fixedly connected to the outer side wall of the first connecting plate 7, and the side wall of the processing box 1 is provided with a sliding groove 14, and the sliding rod 15 is in the processing box 1, and the structure design enables the sliding rod 15 and the processing box 1 to reliably cooperate, so as to ensure the stability of the whole limiting mechanism during operation, and the main function of the limiting mechanism is to limit and guide the movement direction and range of each component during the cutting process, so as to ensure the safety and accuracy of the machining process, and when the sliding rod 15 is embedded in the sliding groove 14 on the processing box 1, the movement in the unexpected direction can be effectively prevented.
[0029] The sliding groove 14 is arranged in an L shape, and the L-shaped sliding groove 14 can accommodate the moving mechanism, so as to allow the mechanism to be accurately displaced in the horizontal and vertical directions.
[0030] The specific working principle of the utility model is as follows:
[0031] In the initial state, first, according to the different diameter of the welded pipe, replace the different second connecting plate 8, rotate the bolt 12 to turn it out of the bolt hole of the first connecting plate 7 and the second connecting plate 8, so that the second connecting plate 8 is separated, when the welded pipe with larger diameter needs to be processed, replace the thin second connecting plate 8, when the welded pipe with small diameter is processed, replace the second connecting plate 8 with large thickness, so that the different welded pipes can be fixed.
[0032] The servo motor 2 is started to drive the adjusting rod 3 connected to the output end to rotate synchronously, with the continuous operation of the servo motor 2, the adjusting plate 4 connected to the outer wall of the adjusting rod 3 will slide up and down along the inner wall of the processing box 1, and the sliding is stable and controllable, because the processing box 1 provides reliable guidance and support for the adjusting plate 4, so that the adjusting plate 4 avoids deviation or shaking during movement, and the cutting head 5 fixed at the bottom end of the adjusting plate 4 is adjusted up and down with the displacement of the adjusting plate 4 to adapt to the cutting demand of the welded pipe with different diameter specifications and height positions.
[0033] The two linkage plates 6 fixed below the adjusting plate 4 and symmetrically arranged on the left and right sides are connected to the first connecting plate 7 through a cleverly designed connecting rod mechanism, so that when the adjusting plate 4 moves up and down, it drives the connecting rod 11 to change accordingly by virtue of its own design structure, so as to drive the first connecting plate 7 to move downward to cut the welded pipe, when the cutting is completed, the linkage plate 6 continues to move downward, the sliding rod 15 moves horizontally along the sliding groove 14 to push the welded pipe cut to the front, realizing automatic discharging of the welded pipe.
[0034] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. Cutting device for the production of welded pipes, comprising a treatment tank (1), characterized in that, The processing box (1) top fixedly connected with servo motor (2), the servo motor (2) output fixedly connected with adjusting rod (3), the adjusting rod (3) outer wall is connected with adjusting plate (4), the adjusting plate (4) outer wall and processing box (1) inner wall slidingly connected, the adjusting plate (4) bottom is mounted with cutting head (5), the adjusting plate (4) bottom fixedly connected with two symmetrical linkage plate (6), the linkage plate (6) is connected with first connecting plate (7) through connecting rod mechanism, the first connecting plate (7) and processing box (1) inner wall is connected through limiting mechanism, the first connecting plate (7) is connected with second connecting plate (8) through bolt mechanism, the second connecting plate (8) bottom fixedly installed with semicircular plate (13).
2. The cutting device for a pipe welding production according to claim 1, characterized in that, The adjusting rod (3) is provided with external thread, the adjusting plate (4) is provided with thread port, and the inner wall of the thread port is threadedly connected with the outer wall of the adjusting rod (3).
3. The cutting device for a pipe welding production as claimed in claim 1, characterized in that, The connecting rod mechanism includes a first mounting block (10) fixedly connected to the outer wall of the linkage plate (6), and the first connecting plate (7) is fixedly connected with a second mounting block (9) at the top.
4. The cutting device for a pipe welding production as claimed in claim 3, characterized in that, The first mounting block (10) is fixedly connected with a first rotating column on the outer wall, and the second mounting block (9) is fixedly connected with a second rotating column on the outer wall, and the connecting rod (11) is provided with rotating ports at both ends.
5. The cutting device for a pipe welding production as claimed in claim 1, characterized in that, The bolt mechanism includes four first bolt ports formed at opposite corners of the first connecting plate (7), and four second bolt ports are formed at opposite corners of the second connecting plate (8), and the corresponding first bolt port and second bolt port are threadedly connected with the same bolt (12).
6. The cutting device for welded pipe production according to claim 1, characterized in that, The limiting mechanism includes a sliding rod (15) fixedly connected to the outer wall of the first connecting plate (7), and the side wall of the processing box (1) is provided with a sliding groove (14), and the sliding rod (15) is connected to the processing box (1).
7. The cutting device for a pipe welding production as claimed in claim 6, characterized in that, The sliding groove (14) is L-shaped.