Welded pipe cutting device convenient to adjust
By combining a toothed disc and a toothed pressing disc with automatic adjustment of an electric component, the problem of unstable angle adjustment and clamping in traditional welded pipe cutting devices is solved, achieving precise cutting and stable clamping, and improving cutting efficiency and safety.
Patent Information
- Application Number
- CN202422952894.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Traditional welded pipe cutting devices require manual operation to adjust the angle and clamp the pipe, resulting in uneven beveled edges, which affects the cutting effect and poses safety hazards.
The cutting blade angle is precisely adjusted by the engagement and disengagement of a toothed disc and a toothed pressing disc. The welded pipe is stably clamped by the first threaded rod and the jaws. The clamping distance and angle are automatically adjusted by an electric component.
It achieves precise angle cutting and stable clamping of welded pipes, avoiding the inaccuracies of manual operation and damage to the cutting disc, thus improving cutting efficiency and safety.
Smart Images

Figure CN223718428U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welded pipe cutting device technical field especially, it relates to a kind of welded pipe cutting device of convenient adjustment. BACKGROUND
[0002] Welded pipe is pipe material by steel strip or steel plate is rolled and welded, is widely used in construction, transportation, machinery manufacturing and petroleum etc. industry. The production process of welded pipe usually includes cold bending into tubular shape by steel strip or steel plate, then the joint is sealed by high-frequency welding or other welding method. Welded pipe has the characteristics of high strength, strong carrying capacity, is suitable for bearing larger pressure and load, while its production efficiency is high, relatively low cost, suitable for mass production.
[0003] In prior art, for example, in patent No. CN218555776U, patent name: a stainless steel welded pipe online automatic cutting device, the main problem solved in this patent is that the cutting efficiency of existing cutting device needs to be improved, and it cannot adapt to large quantities of steel pipe cutting. In this patent, after the position of the abutment plate is determined, the steel pipe can be cut in batches and efficiently, the steel pipe reduces the ranging step, the operation is convenient, the production efficiency is improved, the automatic unloading and collection are realized, the degree of automation is improved, and it is mainly applied to the cutting processing of stainless steel welded pipe.
[0004] For the processing of some special welded pipes with corners, it is usually necessary to bevel the edges, however, the traditional cutting device needs to be adjusted in angle by manual holding operation, and in order to avoid shaking and impacting the cutting disc during the cutting process of welded pipe, which can cause damage to the cutting disc, the welded pipe needs to be clamped manually during cutting, however, this clamping method is not stable, which can cause uneven bevel edges, affect the cutting effect and subsequent processing of corner welded pipe, and also increase the risk in cutting process. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of welded pipe cutting device of convenient adjustment, solve the problem that the traditional cutting device in prior art needs manual holding operation to adjust angle and welded pipe needs to be clamped manually during cutting.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0007] The utility model provides a welding pipe cutting device of convenient adjustment, including the workbench, the top of workbench is fixedly connected with fixed support, the bottom of fixed support is provided with cutting knife, the bottom of fixed support is fixedly connected with electric telescopic link, the bottom of electric telescopic link is fixedly connected with fixed block, the top of workbench is provided with two mutually parallel T -shaped sliding blocks, the T -shaped sliding block of one side near fixed support is fixedly connected between workbench, the T -shaped sliding block of one side away from fixed support is slidably connected between workbench, the inside of T -shaped sliding block is provided with first sliding slot, the inner surface wall of first sliding slot is rotatably connected with first threaded rod through pivot, the top of T -shaped sliding block is provided with two mutually symmetrical clamping jaws, one clamping jaw is fixedly connected between T -shaped sliding block, another clamping jaw is slidably connected between T -shaped sliding block and is threadedly connected between first threaded rod.
[0008] Preferably, one side of the T-shaped sliding block slidably connected with the workbench is provided with a second motor, wherein the second motor is fixedly connected with the T-shaped sliding block through a second fixing plate, the bottom of the second motor is fixedly connected with the second fixing plate through bolts, the output shaft of the second motor is drivingly connected with a second helical gear through a shaft coupling, the bottom of the second helical gear is provided with a cross rod sleeve, wherein the cross rod sleeve is rotatably connected with the second helical gear through a second gear, the second gear is meshingly connected with the second helical gear, and the cross rod sleeve is fixedly connected with the second gear, the inner surface wall of the cross rod sleeve is slidably connected with a cross telescopic rod, and the cross telescopic rod and the outer surface wall of the cross rod sleeve are rotatably connected with a first fixing plate, wherein the first fixing plate is fixedly connected with the T-shaped sliding block, and the end of the first threaded rod away from the fixed support is fixedly connected with a first gear, the bottom of the first gear is meshingly connected with a first helical gear, and the two first helical gears are fixedly connected with the outer surface wall of the cross telescopic rod and the cross rod sleeve respectively.
[0009] Preferably, the side of the fixed block away from the fixed support is fixedly connected with a fixed disc, one side of the fixed disc is provided with a toothed pressing disc, wherein the toothed pressing disc is elastically connected with the fixed disc through a compression spring, one side of the toothed pressing disc is meshingly connected with a toothed disc through a clamping tooth, wherein the toothed disc is fixedly connected with the fixed disc, one side of the toothed disc is rotatably connected with a rotating plate, wherein the rotating plate is fixedly connected with the toothed pressing disc through a latch, one end of the rotating plate is fixedly connected with a first motor through bolts, and the output shaft of the first motor is drivingly connected with the cutting knife through a shaft coupling.
[0010] Preferably, the inside of the workbench is provided with a second sliding groove, the inner surface wall of the second sliding groove is rotatably connected with a second threaded rod through a pivot, and the second threaded rod is threadedly connected with the T-shaped sliding block.
[0011] Preferably, the inner cavity of the workbench is slidably connected with a debris collection box at the bottom, the inner cavity of the workbench is fixedly connected with a mesh plate at the top, and the debris collection box and the mesh plate are in the same vertical plane.
[0012] Preferably, one end of the second threaded rod penetrating through the workbench is fixedly connected with a rotating handle, and the top outer side of the cutting knife is provided with a protective cover.
[0013] The utility model has the following beneficial effects:
[0014] In the scheme, the fixing and rotation adjustment of the rotating plate are realized through the meshing and separation of the toothed disc and the toothed pressing disc, the precise adjustment of the cutting knife angle is realized through the scale on the toothed disc, the cutting of the welded pipe at different angles is realized, and the inaccuracy of manual operation is avoided, the stable clamping and fixing of the welded pipe of different sizes are realized through the first threaded rod and the clamping jaw, the shaking and impact on the cutting disc during the cutting of the welded pipe are avoided, the damage to the cutting disc and the influence on the cutting effect are avoided, the distance of the T-shaped sliding block is adjusted through the rotation of the second threaded rod, the welded pipe of different lengths is clamped, and the clamping is more stable and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0017] Figure 2 It is a three-dimensional overhead structure schematic view of the utility model;
[0018] Figure 3 It is a three-dimensional side view structure schematic view of the utility model;
[0019] Figure 4 It is a cutting mechanism structure schematic view of the utility model;
[0020] Figure 5 It is a part structure schematic view of the utility model.
[0021] In the figure: 1, workbench; 2, fixed support; 3, electric telescopic rod; 4, fixed block; 5, mesh plate; 6, cutting knife; 7, clamping jaw; 8, first threaded rod; 9, T-shaped sliding block; 10, rotating handle; 11, first sliding groove; 12, cross telescopic rod; 13, cross rod sleeve; 14, second sliding groove; 15, second threaded rod; 16, scrap collecting box; 17, first motor; 18, rotating plate; 19, toothed disc; 20, toothed pressing disc; 21, compression spring; 22, fixed disc; 23, first gear; 24, first helical gear; 25, first fixed plate; 26, second gear; 27, second helical gear; 28, second motor; 29, second fixed plate. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0023] Reference Figures 1-5 A welding pipe cutting device convenient to adjust, including workbench 1, the top of workbench 1 is fixedly connected with fixed support 2, the bottom of fixed support 2 is provided with cutting knife 6, the bottom of fixed support 2 is fixedly connected with electric telescopic rod 3, electric telescopic rod 3 drives cutting knife 6 to displace up and down, so as to realize the cutting of welding pipe, the bottom end of electric telescopic rod 3 is fixedly connected with fixed block 4, the setting of fixed block 4 is convenient for the installation and dismounting of cutting mechanism, the top of workbench 1 is provided with two mutually parallel T-shaped sliding blocks 9, wherein the T-shaped sliding block 9 close to the side of fixed support 2 is fixedly connected between workbench 1, the T-shaped sliding block 9 away from the side of fixed support 2 is slidingly connected between workbench 1, the inside of T-shaped sliding block 9 is provided with first sliding groove 11, first sliding groove 11 ensures the sliding track of clamping jaw 7 to be limited, the inner surface wall of first sliding groove 11 is rotatably connected with first threaded rod 8 through pivot, the top of T-shaped sliding block 9 is provided with two mutually symmetrical clamping jaws 7, wherein one clamping jaw 7 is fixedly connected between T-shaped sliding block 9, the other clamping jaw 7 is slidingly connected between T-shaped sliding block 9 and is threadedly engagedly connected between first threaded rod 8, the rotation of first threaded rod 8 can make the clamping jaw 7 threadedly engagedly connected therewith realize displacement back and forth, so as to realize the clamping and loosening of welding pipe, also realize the clamping of welding pipe of different sizes.
[0024] Further, one side of the T-shaped sliding block 9 slidingly connected with the workbench 1 is provided with a second motor 28, wherein the second motor 28 is fixedly connected with the T-shaped sliding block 9 through a second fixed plate 29, the fixed connection between the second motor 28 and the T-shaped sliding block 9 ensures that the second motor 28 can move simultaneously with the T-shaped sliding block 9, the bottom of the second motor 28 is fixedly connected with the second fixed plate 29 through bolts, the bolted connection facilitates the maintenance of the second motor 28, the output shaft of the second motor 28 is drivingly connected with a second helical gear 27 through a shaft coupling, the bottom of the second helical gear 27 is provided with a cross rod sleeve 13, wherein the cross rod sleeve 13 is rotatably connected with the second helical gear 27 through a second gear 26, the second gear 26 is in meshing connection with the second helical gear 27 and is fixedly connected with the cross rod sleeve 13, when the second helical gear 27 rotates, the contact points of the helical teeth and the adjacent teeth on the second gear 26 move from the rim to the tooth top gradually, so that the pressure between the second helical gear 27 and the second gear 26 gradually increases, thereby realizing the rotation of the second gear 26 driven by the second helical gear 27, and further driving the rotation of the cross rod sleeve 13, the inner surface wall of the cross rod sleeve 13 is slidingly connected with a cross expansion rod 12, the outer surface wall of the cross rod sleeve 13 and the cross expansion rod 12 are both rotatably connected with a first fixed plate 25, wherein the first fixed plate 25 is fixedly connected with the T-shaped sliding block 9, due to the interaction force between the cross expansion rod 12 and the cross rod sleeve 13, the cross expansion rod 12 and the cross rod sleeve 13 can rotate simultaneously, one end of the first threaded rod 8 away from the fixed support 2 is fixedly connected with a first gear 23, the bottom of the first gear 23 is in meshing connection with a first helical gear 24, the outer surface walls of the cross expansion rod 12 and the cross rod sleeve 13 are respectively fixedly connected with two first helical gears 24, the rotation of the first helical gear 24 drives the first gear 23 meshing therewith to rotate, so that the first threaded rod 8 rotates, thereby enabling the clamping jaw 7 rotatably connected with the first threaded rod 8 to move close to the welded pipe, and finally realizing the clamping and fixing of the welded pipe.
[0025] Further, the fixed block 4 is fixedly connected with a fixed disc 22 away from one side of the fixed support 2, one side of the fixed disc 22 is provided with a tooth-shaped pressing disc 20, wherein the tooth-shaped pressing disc 20 and the fixed disc 22 are elastically connected through a compression spring 21, when the pressing on the rotating plate 18 is released, the tooth-shaped pressing disc 20 will be affected by the elastic force of the compression spring 21, so as to realize the meshing of the tooth-shaped pressing disc 20 and the toothed disc 19, one side of the tooth-shaped pressing disc 20 is connected with the toothed disc 19 through the engagement of the clamping teeth, the surface of the toothed disc 19 is provided with a scale, the angle adjustment of the cutting knife 6 is visualized through the scale, so as to more accurately realize the angle adjustment of the cutting knife 6, wherein the toothed disc 19 and the fixed disc 22 are fixedly connected, one side of the toothed disc 19 is rotatably connected with the rotating plate 18, wherein the rotating plate 18 and the tooth-shaped pressing disc 20 are fixedly connected through a latch, the fixing and rotating adjustment of the rotating plate 18 are realized through the meshing and separation of the toothed disc 19 and the tooth-shaped pressing disc 20, the precise adjustment of the angle of the cutting knife 6 is realized through the scale on the toothed disc 19, thereby realizing the cutting of the welded pipe at different angles and avoiding the inaccuracy of manual operation, one end of the rotating plate 18 is fixedly connected with a first motor 17 through a bolt, the output shaft of the first motor 17 is drivingly connected with the cutting knife 6 through a shaft coupling.
[0026] Further, the inside of the workbench 1 is provided with a second sliding groove 14, the second sliding groove 14 ensures the limiting of the T-shaped sliding block 9, the inner surface wall of the second sliding groove 14 is rotatably connected with a second threaded rod 15 through a rotating shaft, the second threaded rod 15 is threadedly connected with the T-shaped sliding block 9.
[0027] Further, the inner cavity of the workbench 1 is slidingly connected with a debris collecting box 16, the inner cavity of the workbench 1 is fixedly connected with a mesh plate 5, the debris collecting box 16 and the mesh plate 5 are in the same vertical plane, the debris generated in the cutting process falls into the debris collecting box 16 through the mesh plate 5, realizing the collection and treatment of the debris.
[0028] Further, one end of the second threaded rod 15 penetrating through the workbench 1 is fixedly connected with a rotating handle 10, the top outside of the cutting knife 6 is installed with a protective cover, the protective cover can play a protective role for the cutting knife 6, improving the safety during work.
[0029] In summary: in use, the welded pipe to be cut is placed on the inner side of the arc of the clamping jaw 7, the distance of the T-shaped slider 9 is adjusted according to the length of the welded pipe, that is, the second threaded rod 15 is rotated by rotating the rotating handle 10, and then the T-shaped slider 9 can be displaced left and right, after the distance is adjusted, the second motor 28 is started, the output shaft of the second motor 28 drives the second helical gear 27 to rotate, the second helical gear 27 drives the second gear 26 to rotate, due to the interaction force between the cross expansion rod 12 and the cross rod sleeve 13, the cross expansion rod 12 and the cross rod sleeve 13 rotate together with the second gear 26, then the first helical gear 24 will also rotate, the first helical gear 24 drives the first gear 23 engaged with it to rotate, then the first threaded rod 8 rotates, so that the clamping jaw 7 connected with the first threaded rod 8 rotates to the welded pipe, and finally the welded pipe is clamped and fixed. After clamping and fixing, press the rotating plate 18, the toothed pressing disc 20 extrudes the compression spring 21, so that the toothed pressing disc 20 and the toothed disc 19 are disengaged, then rotate the rotating plate 18, and loosen the rotating plate 18 after rotating to the required angle scale line, the toothed pressing disc 20 is subjected to the elastic force of the compression spring 21, the toothed pressing disc 20 and the toothed disc 19 are engaged again, so as to realize the angle adjustment of the cutting knife 6, start the first motor 17, so that the cutting knife 6 starts to work, then start the electric telescopic rod 3, the electric telescopic rod 3 drives the cutting knife 6 to gradually approach the welded pipe, and then realizes the cutting of the welded pipe. The debris generated in the cutting process falls into the debris collecting box 16 through the mesh plate 5, realizing the collection and treatment of the debris.
[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only 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. The scope of protection required by the present application is defined by the appended claims and their equivalents.
Claims
1. A conveniently adjustable pipe welding cutting device comprising a worktable (1), characterized in that, The top of the workbench (1) is fixedly connected with a fixed support (2), the bottom of the fixed support (2) is provided with a cutting knife (6), the bottom of the fixed support (2) is fixedly connected with an electric telescopic rod (3), the bottom end of the electric telescopic rod (3) is fixedly connected with a fixed block (4), the top of the workbench (1) is provided with two mutually parallel T-shaped sliding blocks (9), one of which is fixedly connected between the T-shaped sliding block (9) and the workbench (1) near the fixed support (2), and the other is slidingly connected between the T-shaped sliding block (9) and the workbench (1) away from the fixed support (2), the inside of the T-shaped sliding block (9) is provided with a first sliding groove (11), the inner surface wall of the first sliding groove (11) is rotatably connected with a first threaded rod (8) through a rotating shaft, the top of the T-shaped sliding block (9) is provided with two mutually symmetrical clamping jaws (7), one of which is fixedly connected between the clamping jaw (7) and the T-shaped sliding block (9), and the other is slidingly connected between the clamping jaw (7) and the T-shaped sliding block (9) and threadedly connected with the first threaded rod (8).
2. A pipe welding cutting device according to claim 1, wherein The side of the T-shaped sliding block (9) slidingly connected with the workbench (1) is provided with a second motor (28), wherein the second motor (28) and the T-shaped sliding block (9) are fixedly connected through a second fixed plate (29), the bottom of the second motor (28) and the second fixed plate (29) are fixedly connected through bolts, the output shaft of the second motor (28) is drivingly connected with a second helical gear (27) through a shaft coupling, the bottom of the second helical gear (27) is provided with a cross rod sleeve (13), wherein the cross rod sleeve (13) and the second helical gear (27) are rotatably connected through a second gear (26), the second gear (26) and the second helical gear (27) are meshingly connected, and the cross rod sleeve (13) is fixedly connected with the second gear (26), the inner surface wall of the cross rod sleeve (13) is slidingly connected with a cross telescopic rod (12), the cross telescopic rod (12) and the outer surface wall of the cross rod sleeve (13) are rotatably connected with a first fixed plate (25), wherein the first fixed plate (25) is fixedly connected with the T-shaped sliding block (9), one end of the first threaded rod (8) away from the fixed support (2) is fixedly connected with a first gear (23), the bottom of the first gear (23) is meshingly connected with a first helical gear (24), and the two first helical gears (24) are respectively fixedly connected with the outer surface walls of the cross telescopic rod (12) and the cross rod sleeve (13).
3. A conveniently adjustable pipe welding cutting device as claimed in claim 1 wherein, The fixed block (4) is fixedly connected with a fixed disc (22) away from one side of the fixed support (2), one side of the fixed disc (22) is provided with a tooth-shaped pressing disc (20), wherein the tooth-shaped pressing disc (20) and the fixed disc (22) are elastically connected through a compression spring (21), one side of the tooth-shaped pressing disc (20) is connected with a toothed disc (19) through a clamping tooth engagement, wherein the toothed disc (19) and the fixed disc (22) are fixedly connected, one side of the toothed disc (19) is rotatably connected with a rotating plate (18), wherein the rotating plate (18) and the tooth-shaped pressing disc (20) are fixedly connected through a bolt, one end of the rotating plate (18) is fixedly connected with a first motor (17) through a bolt, and the output shaft of the first motor (17) is drivingly connected with the cutting knife (6) through a shaft coupling.
4. A conveniently adjustable pipe welding cutting device according to claim 1, characterized in that, The inside of the workbench (1) is provided with a second sliding groove (14), and the inner surface wall of the second sliding groove (14) is rotatably connected with a second threaded rod (15) through a rotating shaft.
5. A conveniently adjustable pipe welding cutting device as defined in claim 1 wherein, The inner cavity bottom of the workbench (1) is slidingly connected with a debris collecting box (16), the inner cavity top of the workbench (1) is fixedly connected with a mesh plate (5), and the debris collecting box (16) and the mesh plate (5) are in the same vertical plane.
6. A conveniently adjustable pipe welding cutting device according to claim 4, characterized in that, One end of the second threaded rod (15) penetrating through the workbench (1) is fixedly connected with a rotating handle (10), and the top outside of the cutting knife (6) is provided with a protective cover.
Citation Information
Patent Citations
On-line automatic cutting device for stainless steel welded pipe
CN218555776U