Multi-steel-pipe machining clamp

Abstract

The utility model discloses a multi-steel-pipe machining clamp which comprises a base, a mounting part is arranged on the base, a bearing arc groove is formed in the mounting part, a lifting seat is vertically arranged on the mounting part in a sliding mode, a fixed column part is arranged on the lifting seat, movable claws are symmetrically arranged on the lifting seat in a rotating mode, and secondary abutting columns are arranged at the first ends of the movable claws. The axes of the fixing column part, the secondary abutting column and the bearing arc groove are parallel to one another. According to the multi-steel-pipe machining clamp, the lifting base is driven to slide towards the bearing arc groove to be close to the bearing arc groove so that the fixing column part and the secondary abutting column can abut against the surfaces of the steel pipes in the axial direction, and therefore the bearing arc groove, the fixing column part and the secondary abutting column can abut against and clamp the steel pipes in the axial direction, and the fixing stability of the steel pipes is improved; and the contact area with the surface of the steel pipe can be increased, the problem that the steel pipe deforms and is out of round due to overlarge extrusion force in the clamping and fixing process is solved, and the protection performance of the steel pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing fixture technical field, concretely relates to a kind of multi-steel pipe processing fixture. BACKGROUND

[0002] Clamp refers to the device used to fix the processing object in the process of mechanical manufacturing. In the production and processing process of steel pipe, it needs to be fixed by clamp, so that it is not easy to produce shaking in the processing process. The existing clamp can clamp and fix steel pipes of various diameters.

[0003] According to the announcement number CN221539526U, the announcement date: 2024.08.16, a kind of multi-steel pipe processing fixture for steel pipe production and processing is disclosed, including frame, the frame bottom is fixedly connected with base, the bottom of both sides is equipped with mounting hole, the frame is equipped with clamping assembly, the clamping assembly includes through-hole, the frame surface is symmetrically equipped with first sliding slot, the first sliding slot inside both sides is symmetrically movably connected with first clamping block, the frame surface is symmetrically fixedly connected with first fixed seat, the first fixed seat inside both sides is movably connected with first threaded rod, the frame rear surface is symmetrically equipped with second sliding slot, the second sliding slot inside both sides is symmetrically movably connected with second clamping block;The application can clamp and fix steel pipes of different sizes during steel pipe processing, and double-fix steel pipes during subsequent fixing, thereby effectively improving the stability of steel pipe fixing.

[0004] In the prior art including the above-mentioned patent, the first clamping block in strip shape is relatively slid to close to clamp on both sides of the circular steel pipe, to realize the fixation of different steel pipes. However, the first clamping block in strip shape fixes the circular surface in the radial direction, which makes the first clamping block exert too much pressure on the surface of the steel pipe, which easily causes the steel pipe to deform and lose its circularity during clamping. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of multi-steel pipe processing fixture, to solve the above problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of multi-steel pipe processing fixture, including steel pipe, further including pedestal, installation part is arranged thereon, the installation part is equipped with supporting arc groove, the installation part is vertically slidably provided with lifting seat, the lifting seat is provided with fixed column part, the lifting seat is symmetrically rotatably provided with movable jaw, the first end of the movable jaw is provided with secondary resistance column, the axis of the fixed column part, secondary resistance column and supporting arc groove is parallel to each other, the lifting seat is driven to close to supporting arc groove to make fixed column part and secondary resistance column extrude steel pipe and supporting arc groove.

[0007] As preferred, a friction belt is further included, which is sleeved on the fixed column part and the secondary abutting column, and the lifting seat is driven to slide towards the bearing arc groove to make the friction belt adhere to the surface of the steel pipe.

[0008] As preferred, a plurality of coil springs are arranged on the lifting seat to drive the movable claw to move towards the lifting seat.

[0009] As preferred, a connecting rod is further included, a first end of the connecting rod is rotatably arranged on the movable claw, a second end of the connecting rod is movably arranged in a movable slot arranged on the lifting seat, a pressing plate and an elastic member are arranged in the movable slot, and the elastic member drives the pressing plate to push the second end of the connecting rod towards the first end of the movable slot.

[0010] As preferred, a sinking slot is arranged on the mounting part and aligned with the movable claw, and a flexible supporting pad is arranged on the bottom of the bearing arc groove.

[0011] As preferred, a matching belt part is arranged on the inner side of the friction belt, and an annular slot is arranged on the fixed column part and the secondary abutting column, and the matching belt part is in contact with the annular slot.

[0012] As preferred, rubber protruding nails are symmetrically and circumferentially arranged on the movable claw, and the fixed column part and the secondary abutting column are pressed against the steel pipe to make the rubber protruding nails contact the surface of the steel pipe.

[0013] As preferred, a threaded driving rod is further included, a first end of the threaded driving rod is rotatably arranged on the lifting seat, the threaded driving rod is threadedly arranged on the mounting part of the base, and a holding part is arranged on a second end of the threaded driving rod.

[0014] As preferred, a rotating end is arranged on the first end of the connecting rod, a rotating hole is arranged on the movable claw, and the rotating end is rotatably arranged in the rotating hole.

[0015] As preferred, the flexible supporting pad is made of rubber.

[0016] In the above technical solution, the multi-steel pipe machining clamp has the following beneficial effects: the lifting seat is driven to slide towards the bearing arc groove to make the fixed column part and the secondary abutting column abut against the surface of the steel pipe in the axial direction, so that the bearing arc groove, the fixed column part and the secondary abutting column abut against and clamp the steel pipe in the axial direction, the fixation stability of the steel pipe is improved, the contact area with the surface of the steel pipe is increased, the problem that the steel pipe is deformed and out of round due to excessive extrusion force during clamping is avoided, and the protection of the steel pipe is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings.

[0018] Figure 1 The overall structure schematic view provided by the embodiment of the present application is shown in the figure.

[0019] Figure 2 The overall structure cross-sectional view provided by the embodiment of the present application is shown in the figure.

[0020] Figure 3 The structure schematic view of the base and the flexible supporting pad provided by the embodiment of the present application is shown in the figure.

[0021] Figure 4 The structure schematic view of the lifting seat, the movable claw and the friction belt provided by the embodiment of the present application is shown in the figure.

[0022] Figure 5 The exploded structure schematic view of the lifting seat, the movable claw and the friction belt provided by the embodiment of the present application is shown in the figure.

[0023] Explanation of reference signs:

[0024] 1, base; 11, mounting part; 111, supporting arc groove; 112, sunken groove; 12, installed part; 2, lifting seat; 21, fixed column part; 22, movable groove; 3, movable claw; 31, secondary abutting column; 32, rotating part; 33, rotating hole; 4, friction belt; 41, matched belt part; 5, connecting rod; 51, rotating end; 61, pressing plate; 62, elastic member; 7, threaded driving rod; 71, holding part; 8, flexible supporting pad; 9, steel pipe; 91, rubber protruding nail; 92, annular groove; 93, volute spring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present application.

[0026] As Figures 1-5As shown in the figure, a multi-steel pipe machining clamp comprises a steel pipe 9, and a base 1, which is provided with a mounting portion 11, and the mounting portion 11 is provided with a bearing arc groove 111, and the mounting portion 11 is vertically slidably provided with a lifting seat 2, and the lifting seat 2 is provided with a fixed column portion 21, and the lifting seat 2 is symmetrically rotatably provided with a movable claw 3, and the movable claw 3 is provided with a secondary abutting column 31 at a first end, and the axes of the fixed column portion 21, the secondary abutting column 31 and the bearing arc groove 111 are parallel to each other, and the lifting seat 2 is driven to move towards the bearing arc groove 111 so that the fixed column portion 21 and the secondary abutting column 31 press the steel pipe 9 and the bearing arc groove 111.

[0027] Specifically, as shown in the figure, Figure 1 As shown in the figure, the base 1 is provided with a bearing arc groove 111 for bearing the steel pipe 9, and when the steel pipe 9 is placed in the arc-shaped bearing arc groove 111, the steel pipe 9 is rolled to the bottom of the bearing arc groove 111 opposite to the fixed column portion 21 under the action of gravity, and the rotating portion 32 of the movable claw 3 is rotatably arranged on the fixed column portion 21, and as shown in the figure, Figure 2 As shown in the figure, the end of the movable claw 3 away from the lifting seat 2 is the first end, and the lifting seat 2 is driven to slide towards the bearing arc groove 111 so that the fixed column portion 21 and the secondary abutting column 31 abut the surface of the steel pipe 9 in the axial direction, so that the bearing arc groove 111, the fixed column portion 21 and the secondary abutting column 31 axially abut and clamp the steel pipe 9, improve the fixing stability of the steel pipe 9, and increase the contact area with the surface of the steel pipe 9, avoid the problem that the steel pipe 9 is deformed and out of round due to excessive extrusion force during clamping, and improve the protection of the steel pipe 9.

[0028] In the above technical solution, the lifting seat 2 is driven to slide towards the bearing arc groove 111 so that the fixed column portion 21 and the secondary abutting column 31 abut the surface of the steel pipe 9 in the axial direction, so that the bearing arc groove 111, the fixed column portion 21 and the secondary abutting column 31 axially abut and clamp the steel pipe 9, improve the fixing stability of the steel pipe 9, and increase the contact area with the surface of the steel pipe 9, avoid the problem that the steel pipe 9 is deformed and out of round due to excessive extrusion force during clamping, and improve the protection of the steel pipe 9.

[0029] As a further provided embodiment of the utility model, it further comprises a friction belt 4, which is simultaneously sleeved on the fixed column portion 21 and the secondary abutting column 31, and the lifting seat 2 is driven to move towards the bearing arc groove 111 so that the friction belt 4 is attached to the surface of the steel pipe 9.

[0030] Specifically, as shown in the figure, Figure 2As shown, the friction band 4 is sleeved on the fixed column part 21 and the secondary abutting column 31, and when the lifting seat 2 is driven to slide towards the bearing arc groove 111, the fixed column part 21 and the secondary abutting column 31 are close to and abut on the surface of the steel pipe 9, and the friction band 4 is pulled by the secondary abutting column 31 and abuts on the surface of the steel pipe 9, so that the friction band 4 is used to further generate friction with the steel pipe 9, the fixing stability of the steel pipe 9 is improved, and the axial accidental rotation of the steel pipe 9 in the processing process is avoided. A plurality of friction grooves can be arranged on the surface of the friction band 4 to improve the friction with the surface of the steel pipe 9.

[0031] As further provided in the embodiments of the utility model, a plurality of coil springs 93 are arranged on the lifting seat 2 to drive the movable claws 3 to relatively move close to each other.

[0032] Specifically, as shown in the figure, Figure 5 The coil spring 93 is arranged on the lifting seat 2 to relatively rotate and move close to each other, that is, the included angle of the movable claws 3 in the default state is small, and when the steel pipe 9 with a larger diameter needs to be clamped, the secondary abutting column 31 of the movable claw 3 first contacts the surface of the steel pipe 9 when the lifting seat 2 is driven to vertically slide downward, and then the movable claw 3 is extruded to relatively rotate and move away, so that the angle formed by the two movable claws 3 is increased, and finally the movable claw 3 is rotated and expanded to the state that the fixed column part 21 and the secondary abutting column 31 abut on the surface of the steel pipe 9, so that the stable clamping of the steel pipe 9 with different diameters is realized, and at this time, the movable claw 3 and the coil spring 93 are used to realize the movement of the steel pipe 9 to the middle part of the bearing arc groove 111 to further improve the fixing stability of the steel pipe 9.

[0033] As further provided in the embodiments of the utility model, a connecting rod 5 is arranged, the first end of the connecting rod 5 is rotatably arranged on the movable claw 3, the second end of the connecting rod 5 is movably arranged in the movable groove 22 arranged on the lifting seat 2, a pressing plate 61 and an elastic element 62 are arranged in the movable groove 22, and the elastic element 62 drives the pressing plate 61 to abut and push the second end of the connecting rod 5 towards the first end of the movable groove 22.

[0034] Specifically, as shown in the figure, Figure 5As shown, the end of the connecting rod 5 close to the movable claw 3 is the first end, the end of the connecting rod 5 close to the lifting seat 2 is the second end, the lower end of the movable slot 22 is the first end, and the first end of the connecting rod 5 is rotationally connected with the movable claw 3, and the second end of the connecting rod 5 is movably arranged in the movable slot 22, when the movable claw 3 is driven by the volute spring 93 to open to the smallest angle, the second end of the connecting rod 5 is located at the second end of the movable slot 22, and when a steel pipe 9 with a larger diameter needs to be clamped, when the lifting seat 2 is driven to vertically slide downward, the secondary abutting column 31 of the movable claw 3 first contacts the surface of the steel pipe 9, then the movable claw 3 is pressed to rotate away from each other to increase the angle formed by the two movable claws 3, and finally the movable claw 3 is rotated to open to the surface of the steel pipe 9 is contacted by the fixed column part 21 and the secondary abutting column 31, at this time, the second end of the connecting rod 5 is driven to move with the movable claw 3 to make the second end of the connecting rod 5 move in the movable slot 22, so that the connecting rod 5 is used to further improve the rotation stability of the movable claw 3, avoid the problem that the steel pipe 9 is loosened due to accidental loosening of the movable claw 3, and further improve the fixing stability of the steel pipe 9. The movable slot 22 is also provided with a pressing plate 61 and an elastic member 62 for driving the second end of the connecting rod 5 to slide back to the first end of the movable slot 22, so that the pressing plate 61 and the elastic member 62 are used to reset the connecting rod 5 and the movable claw 3, which is convenient for actual clamping operation.

[0035] As further provided in the embodiments of the utility model, the mounting part 11 is provided with a sinking groove 112 aligned with the movable claw 3, and the bottom of the supporting arc groove 111 is provided with a flexible supporting pad 8.

[0036] Specifically, as shown in the drawings, Figure 2 The sinking groove 112 of the base 1 is aligned with the movable claw 3 to avoid the problem that the steel pipe 9 is fixedly ineffective due to the contact of the movable claw 3 with the base 1, improve the fixing stability of the steel pipe 9, and the bottom of the supporting arc groove 111 is provided with a flexible supporting pad 8, so that the steel pipe 9 is supported by the flexible supporting pad 8 when clamped, thereby further avoiding the problem that the steel pipe 9 rotates axially during clamping, and also improving the protection of the surface of the steel pipe 9.

[0037] As further provided in the embodiments of the utility model, the inner side of the friction belt 4 is provided with a matching belt part 41, and the fixed column part 21 and the secondary abutting column 31 are both provided with an annular groove 92, and the matching belt part 41 is abutted in the annular groove 92.

[0038] Specifically, the matching belt part 41 of the friction belt 4 is abutted in the annular groove 92 of the fixed column part 21 and the secondary abutting column 31, thereby improving the stability of the friction belt 4 in the fixed column part 21 and the secondary abutting column 31, and avoiding the problem of falling off of the friction belt 4.

[0039] As the further provided embodiment of the utility model, rubber pegs 91 are symmetrically arranged on the movable claw 3 in a circumferential array, the fixed column part 21 and the secondary abutting column 31 extrude the steel pipe 9 so that the rubber pegs 91 abut against the surface of the steel pipe 9.

[0040] Specifically, as shown in the figure, Figure 2 When the steel pipe 9 to be clamped has a small diameter, the secondary abutting column 31 of the movable claw 3 applies limited pressure to the surface of the steel pipe 9, and since the angle formed by the movable claw 3 when abutting against the steel pipe 9 with a small diameter is small, the rubber pegs 91 abut against the surface of the steel pipe 9 to further improve the fixing stability of the steel pipe 9 with a small diameter.

[0041] As the further provided embodiment of the utility model, a threaded driving rod 7 is further provided, the first end of the threaded driving rod 7 is rotatably arranged on the lifting seat 2, the threaded driving rod 7 is threadedly fitted on the installation part 12 of the base 1, and a holding part 71 is arranged on the second end of the threaded driving rod 7.

[0042] Specifically, as shown in the figure, Figure 2 The holding part 71 can be used to drive the threaded driving rod 7 to rotate, so that the threaded driving rod 7 is used to rotate and axially move to drive the lifting seat 2 to vertically ascend and descend, and the threaded driving rod 7 can be used to manually drive the lifting seat 2 to slide to fix the steel pipe 9, which is convenient for actual operation and use.

[0043] As the further provided embodiment of the utility model, the first end of the connecting rod 5 is provided with a rotating end 51, the movable claw 3 is provided with a rotating hole 33, and the rotating end 51 is rotatably arranged on the movable claw 3.

[0044] Specifically, the rotating end 51 of the connecting rod 5 is rotatably arranged in the movable claw 3 of the movable claw 3 to improve the rotating stability between the connecting rod 5 and the movable claw 3.

[0045] As the further provided embodiment of the utility model, the flexible supporting pad 8 is made of rubber.

[0046] Specifically, the flexible supporting pad 8 is made of rubber to improve its flexibility and surface friction.

[0047] The above only describes some exemplary embodiments of the utility model in a descriptive manner, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the utility model. Therefore, the above figures and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the utility model.

Claims

1. A multi-steel pipe machining jig comprising a steel pipe (9), characterized by, It also includes the base (1), which is provided with a mounting portion (11), the mounting portion (11) is provided with a supporting arc groove (111), the mounting portion (11) is vertically slidably provided with a lifting seat (2), the lifting seat (2) is provided with a fixed column portion (21), the lifting seat (2) is symmetrically rotatably provided with a movable claw (3), the first end of the movable claw (3) is provided with a secondary abutting column (31), the axis of the fixed column portion (21), the secondary abutting column (31) and the supporting arc groove (111) are parallel to each other, the lifting seat (2) is driven to approach the supporting arc groove (111) to make the fixed column portion (21) and the secondary abutting column (31) extrude the steel pipe (9) and the supporting arc groove (111).

2. A multi-steel pipe machining clamp according to claim 1, characterized in that, It also includes a friction belt (4), which is simultaneously sleeved on the fixed column portion (21) and the secondary abutting column (31), the lifting seat (2) is driven to approach the supporting arc groove (111) to make the friction belt (4) adhere to the surface of the steel pipe (9).

3. The multi-steel pipe machining clamp according to claim 1, characterized in that, The lifting seat (2) is provided with a plurality of coil springs (93) for driving the movable claw (3) to relatively move closer.

4. The multi-steel pipe machining clamp according to claim 1, characterized in that, It also includes a connecting rod (5), which is rotatably arranged at the first end of the movable claw (3), the second end of the connecting rod (5) is movably arranged in the movable slot (22) of the lifting seat (2), the movable slot (22) is provided with a pressing plate (61) and an elastic element (62), the elastic element (62) drives the pressing plate (61) to push the second end of the connecting rod (5) to the first end of the movable slot (22).

5. The multi-steel pipe machining clamp according to claim 1, wherein, The mounting portion (11) is provided with a subsidence groove (112) aligned with the movable claw (3), and the bottom of the supporting arc groove (111) is provided with a flexible supporting pad (8).

6. A multi-steel pipe machining clamp according to claim 2, characterized in that, The inner side of the friction belt (4) is provided with a matching belt portion (41), the fixed column portion (21) and the secondary abutting column (31) are both provided with an annular groove (92), and the matching belt portion (41) is in contact with the annular groove (92).

7. The multi-steel pipe machining clamp according to claim 1, wherein, The movable claw (3) is symmetrically circumferentially arranged with rubber protruding nails (91), and the fixed column portion (21) and the secondary abutting column (31) extrude the steel pipe (9) to make the rubber protruding nails (91) contact the surface of the steel pipe (9).

8. The multi-steel pipe machining clamp according to claim 1, characterized in that, It also includes a threaded drive rod (7), which is rotatably arranged at the first end of the lifting seat (2), the threaded drive rod (7) is threadedly fitted on the mounting portion (12) of the base (1), and the second end of the threaded drive rod (7) is provided with a gripping portion (71).

9. A multi-steel pipe machining clamp according to claim 4, characterized in that, The first end of the connecting rod (5) is provided with a rotating end (51), and the movable claw (3) is provided with a rotating hole (33), and the rotating end (51) is rotatably arranged in the rotating hole (33).

10. The multi-steel pipe machining clamp according to claim 5, characterized in that, The flexible supporting pad (8) is a rubber part.

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