CN210908779U

CN210908779U - Clamp for welding and fixing steel pipe

Info

Publication number: CN210908779U
Application number: CN201921790885.4U
Authority: CN
Inventors: 赖世煌
Original assignee: Shenzhen Tongguo Technology Co ltd
Current assignee: Shenzhen Tongguo Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-03
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a machining equipment technical field discloses an anchor clamps for steel pipe welding processing is fixed, comprises a workbench, a supporting seat, spacing seat and compress tightly the subassembly, the parallel setting of length direction of supporting seat along the workstation is at the both ends of workstation, the concave mounting groove that is equipped with of up end of supporting seat, spacing seat is located the outside setting of supporting seat, and the concave spacing groove that is equipped with of inside wall of spacing seat, it includes clamp plate and drive arrangement to compress tightly the subassembly, the setting that the clamp plate can move about from top to bottom is in the top of workstation, drive arrangement sets up the both sides at the workstation respectively, and the both ends of clamp plate respectively with drive arrangement fixed connection, drive arrangement drives the clamp plate up-and-down motion, and the clamp plate can set up with the up end butt of steel pipe. The technical scheme of the utility model can improve steel pipe welding process's efficiency and processingquality, reduce workman intensity of labour, and easy operation, the practicality is strong.

Description

Clamp for welding and fixing steel pipe

Technical Field

The utility model relates to a machining equipment technical field, in particular to an anchor clamps for steel pipe welding processing is fixed.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

However, in the existing welding process of the steel pipe, the steel pipe is usually fixed through manual operation, the labor intensity of operators is high, the efficiency is low, and the stability and the welding accuracy of the steel pipe during welding cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for fixed anchor clamps of steel pipe welding process, aim at solving the welding process of current steel pipe in, the steel pipe is fixed through manual operation, and operation personnel intensity of labour is big, and is inefficient, and the stability of steel pipe and the technical problem that the welded accuracy can not obtain guaranteeing during the welding.

In order to achieve the above object, the clamp for fixing the steel pipe welding process provided by the utility model comprises a workbench, a support seat, a limiting seat and a pressing component, wherein the support seat is arranged at two ends of the workbench in parallel along the length direction of the workbench, the upper end surface of the support seat is concavely provided with a mounting groove capable of accommodating a steel pipe, the limiting seat is arranged at the end part of the workbench, the limiting seat is arranged in parallel with the support seat, the limiting seat is arranged at the outer side of the support seat, the inner side wall of the limiting seat is concavely provided with a limiting groove capable of accommodating the steel pipe and corresponding to the mounting groove one by one, the pressing component comprises a pressing plate and a driving device, the pressing plate is movably arranged above the workbench up and down, the driving device is respectively arranged at two sides of the workbench, and two ends of the pressing plate are respectively fixedly connected with the driving device, the driving device drives the pressing plate to move up and down, and the pressing plate can be abutted to the upper end face of the steel pipe.

Further, drive arrangement includes base, depression bar, connecting piece, actuating lever and screw rod, the lower extreme of screw rod with clamp plate threaded connection, the upper end of screw rod with the preceding tip threaded connection of depression bar, the back tip of depression bar through a round pin axle with the back tip rotatable coupling of base, the lower tip of actuating lever through a round pin axle with the preceding tip rotatable coupling of base, the both ends of connecting piece respectively through a round pin axle with rotatable coupling between the both ends of depression bar and actuating lever, the actuating lever passes through the connecting piece drive the depression bar rotates from top to bottom.

Furthermore, the pressing plate is provided with a plurality of threaded holes which are uniformly and respectively arranged along the length direction, and the lower end part of the screw rod is screwed in the threaded holes.

Further, drive arrangement still includes packing ring and nut, the preceding tip of depression bar is concave to be equipped with a spout that extends along length direction, the packing ring is slidable respectively and is set up on the upper and lower terminal edge of spout, the upper end of screw rod is worn to establish packing ring and spout setting, just the screw rod can be followed slide in the spout, the nut respectively revolve in on the screw rod of lower extreme on the spout, just the nut respectively with the lateral wall butt of packing ring.

Furthermore, a groove extending in the vertical direction is formed in the middle of the base, and the pressing rod can be rotationally arranged in the groove.

Furthermore, the lower end of the driving rod is provided with two rotating arms oppositely, the lower ends of the two rotating arms are respectively and rotatably arranged on the two outer side walls of the base, and the connecting piece is arranged between the inner side walls of the two rotating arms.

Furthermore, two outer side walls of the base are respectively provided with a limiting block in a relative protruding mode, the limiting blocks are arranged in an inclined mode, and the lower end edge of the rotating arm can be abutted to the limiting blocks.

Further, the handle is arranged at the upper end of the driving rod.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model is that the support seat is arranged at the two ends of the workbench in parallel along the length direction of the workbench, the upper end surface of the support seat is concavely provided with a mounting groove which can accommodate the steel pipe, the limit seat is arranged at the end part of the workbench, the limit seat is arranged in parallel with the support seat, and the limit seat is arranged at the outer side of the support seat, and the inner side wall of the limit seat is concavely provided with a limit groove which can accommodate the steel pipe and corresponds to the mounting groove one by one, the pressing component comprises a pressing plate and a driving device, the pressing plate can be arranged above the workbench in an up-and-down moving way, the driving device is respectively arranged at the two sides of the workbench, and the two ends of the pressing plate are respectively fixedly connected with the driving device, the driving device drives the pressing plate to move up and down, and the pressing plate can be arranged in butt joint with the upper end surface of the steel pipe, the steel pipe welding device has the advantages that the pressing force is stable, the steel pipes are convenient and quick to install and disassemble, the efficiency of steel pipe welding processing is improved, the labor intensity of workers is reduced, the precision of steel pipe positioning is improved, the improvement of welding quality is facilitated, the operation is simple, and the practicability is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a fixture for fixing a steel pipe during welding according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the fixture for fixing the steel pipe welding process according to an embodiment of the present invention after the steel pipe is placed in the fixture;

fig. 3 is a schematic structural diagram of another view angle of the fixture for fixing the steel pipe welding process after the steel pipe is placed in the fixture according to an embodiment of the present invention;

fig. 4 is a schematic overall structure diagram of a clamping assembly of a fixture for fixing a steel pipe during welding according to an embodiment of the present invention;

fig. 5 is a schematic overall structure diagram of a driving device of a fixture for fixing the welding process of the steel pipe according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of a driving device for a fixture used in steel pipe welding process according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an anchor clamps for steel pipe welding processing is fixed.

As shown in fig. 1 to 6, in an embodiment of the present invention, the fixture for fixing the steel pipe welding process includes a worktable 100, a supporting seat 200, a limiting seat 300 and a pressing assembly 400, wherein the supporting seat 200 is disposed at two ends of the worktable 100 in parallel along a length direction of the worktable 100, an installation groove 201 for accommodating a steel pipe 500 is concavely disposed on an upper end surface of the supporting seat 200, the limiting seat 300 is disposed at an end portion of the worktable 100 in parallel with the supporting seat 200, the limiting seat 300 is disposed at an outer side of the supporting seat 200, a limiting groove 301 for accommodating the steel pipe 500 is concavely disposed on an inner side wall of the limiting seat 300, the limiting groove corresponds to the installation groove 201 one by one, the pressing assembly 400 includes a pressing plate 420 and a driving device 410, the pressing plate 420 is disposed above the worktable 100 in a vertically movable manner, the driving device 410 is disposed at two sides of the worktable 100 respectively, and both ends of the pressing plate 420 are respectively fixedly connected with the driving device 410, the driving device 410 drives the pressing plate 420 to move up and down, and the pressing plate 420 can be abutted against the upper end face of the steel pipe 500.

Specifically, the driving device 410 includes a base 411, a pressing rod 412, a connecting member 413, a driving rod 414 and a screw 415, the lower end of the screw 415 is in threaded connection with the pressing plate 420, the upper end of the screw 415 is in threaded connection with the front end of the pressing rod 412, the rear end of the pressing rod 412 is rotatably connected with the rear end of the base 411 through a pin 600, the lower end of the driving rod 414 is rotatably connected with the front end of the base 411 through a pin 600, two ends of the connecting member 413 are rotatably connected with two ends of the pressing rod 412 and the driving rod 414 through a pin 600, and the driving rod 414 drives the pressing rod 412 to rotate up and down through the connecting member 413.

Specifically, clamp plate 420 is equipped with a plurality of even respectively screw hole 421 along length direction, the lower tip of screw rod 415 revolve in set up in screw hole 421, can be according to the convenient height and the interval of adjusting the clamp plate of the steel pipe of different models, the practicality is strong.

Specifically, the driving device 410 further includes a washer 416 and a nut 417, a sliding groove 4121 extending in the length direction is concavely disposed at the front end of the pressing rod 412, the washers are slidably disposed on the upper and lower end edges of the sliding groove, the washer and the sliding groove are disposed at the upper end of the screw rod in a penetrating manner, the screw rod can slide in the sliding groove, the nut is screwed on the screw rod at the upper and lower ends of the sliding groove, and the nut abuts against the outer side wall of the washer, so that the front and rear positions of the screw rod can be adjusted through the sliding groove 4121, and the driving device is convenient and practical.

Specifically, a groove 4111 extending in the vertical direction is disposed in the middle of the base 411, and the pressing rod 412 can rotate along the groove 411.

Specifically, the lower end of the driving rod 414 is provided with two rotating arms 4141 opposite to each other, the lower ends of the two rotating arms 4141 are respectively rotatably disposed on the two outer side walls of the base 411, and the connecting member 413 is disposed between the inner side walls of the two rotating arms 4141.

Specifically, two outer side walls of the base 411 are respectively provided with a limiting block 4112 in a relative protruding manner, the limiting block 4112 is inclined, the lower end edge of the rotating arm 4141 can be abutted against the limiting block 4112, and the driving rod 411 can be prevented from sliding off.

Specifically, a handle 418 is further included, and the handle 418 is disposed at an upper end portion of the driving rod 414.

Specifically, the utility model discloses a principle does: the pressing component 400 is pressed according to the dead point clamping principle in the mechanical mechanics through the double-rocker structure in the planar four-bar linkage mechanism formed by the base 411, the pressing rod 412, the connecting piece 413 and the driving rod 414, that is, when two hinge points of the connecting rod of the double-rocker structure and the link rod and the hinge point of one of the link rods and the frame are in the same straight line, the mechanism is in the dead point position, at this time, the pressed workpiece cannot be loosened no matter how large the counter force is (except destructive counter force), which is the dead point clamping principle in the mechanical mechanics. In order to avoid the influence of external force load change and mechanical vibration in use, the middle hinge point is slightly deviated from the inner side of the connecting line of the other two hinge points during design so as to ensure that the middle hinge point is always locked in a stable state without loosening under the condition of maximum clamping force, and the clamping force refers to the maximum pressing force of the pressing plate on a workpiece under the condition of no mechanical deformation at a locking position.

Specifically, the utility model discloses a parallel setting of length direction of supporting seat along the workstation is at the both ends of workstation, the concave mounting groove that can hold the steel pipe that is equipped with of up end of supporting seat, spacing seat sets up the tip at the workstation, spacing seat and supporting seat parallel arrangement, and spacing seat is located the outside setting of supporting seat, and the concave spacing groove that can hold the steel pipe that is equipped with the mounting groove one-to-one of spacing seat inside wall, it includes clamp plate and drive arrangement to compress tightly the subassembly, the clamp plate can be movable from top to bottom set up the top at the workstation, drive arrangement sets up the both sides at the workstation respectively, and the both ends of clamp plate respectively with drive arrangement fixed connection, drive arrangement drives the clamp plate up-and-down motion, and the clamp plate can set up with the up end butt.

When the steel pipe pressing device is used specifically, firstly, the handle at the upper end of the driving rod is pulled backwards, the pressing plate is lifted, the steel pipe is placed in the mounting groove of the supporting seat, the front end part of the steel pipe is abutted to the limiting groove for limiting, then the handle at the upper end of the driving rod is pulled upwards, the driving rod drives the pressing plate to press downwards through the connecting piece and the pressing rod, and the steel pipe is quickly and firmly pressed; when the driving rod is in a vertical position, the pressing plate can stably press the steel pipe; after the welding process is completed, the handle at the upper end of the driving rod is pulled backwards, the pressing plate is lifted, and then the steel pipe is disassembled, so that the steel pipe can be conveniently and quickly assembled and disassembled repeatedly, the efficiency of the steel pipe welding process can be improved, the labor intensity of workers is reduced, the positioning precision of the steel pipe is improved, the welding quality is improved, the operation is simple, and the practicability is high.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A clamp for welding and fixing steel pipes is characterized by comprising a workbench, a supporting seat, a limiting seat and a pressing assembly, wherein the supporting seat is arranged at the two ends of the workbench in parallel along the length direction of the workbench, a mounting groove capable of accommodating steel pipes is concavely arranged on the upper end face of the supporting seat, the limiting seat is arranged at the end part of the workbench and is arranged in parallel with the supporting seat, the limiting seat is arranged at the outer side of the supporting seat, limiting grooves capable of accommodating steel pipes and corresponding to the mounting groove one to one are concavely arranged on the inner side wall of the limiting seat, the pressing assembly comprises a pressing plate and a driving device, the pressing plate is movably arranged above the workbench up and down, the driving device is respectively arranged at the two sides of the workbench, and the two ends of the pressing plate are respectively fixedly connected with the driving device, the driving device drives the pressing plate to move up and down, and the pressing plate can be abutted to the upper end face of the steel pipe.

2. The clamp for welding, processing and fixing the steel pipe as recited in claim 1, wherein the driving device comprises a base, a pressing rod, a connecting member, a driving rod and a screw rod, the lower end of the screw rod is in threaded connection with the pressing plate, the upper end of the screw rod is in threaded connection with the front end of the pressing rod, the rear end of the pressing rod is rotatably connected with the rear end of the base through a pin shaft, the lower end of the driving rod is rotatably connected with the front end of the base through a pin shaft, two ends of the connecting member are rotatably connected with two ends of the pressing rod and the driving rod through a pin shaft, and the driving rod drives the pressing rod to rotate up and down through the connecting member.

3. The clamp for welding, processing and fixing the steel pipe as recited in claim 2, wherein the pressing plate is provided with a plurality of threaded holes uniformly and respectively along a length direction, and a lower end portion of the screw rod is screwed in the threaded holes.

4. The clamp for welding, processing and fixing the steel pipe according to claim 2, wherein the driving device further comprises a washer and a nut, a sliding groove extending along the length direction is concavely formed in the front end portion of the pressing rod, the washer is slidably arranged on the upper end edge and the lower end edge of the sliding groove respectively, the washer and the sliding groove are arranged at the upper end portion of the screw rod in a penetrating mode, the screw rod can slide along the sliding groove, the nut is screwed on the screw rod at the upper end and the lower end of the sliding groove respectively, and the nut is abutted to the outer side wall of the washer respectively.

5. The clamp for welding, processing and fixing the steel pipe as recited in claim 2, wherein a groove extending in a vertical direction is formed in the middle of the base, and the pressing rod can be rotatably disposed along the groove.

6. The clamp for welding and fixing the steel pipe according to claim 2, wherein the lower end of the driving rod is provided with two rotating arms opposite to each other, the lower ends of the two rotating arms are respectively rotatably arranged on two outer side walls of the base, and the connecting member is arranged between the inner side walls of the two rotating arms.

7. The clamp for fixing the steel pipe welding process according to claim 6, wherein the two outer side walls of the base are respectively provided with a limiting block in a protruding manner, the limiting blocks are arranged in an inclined manner, and the lower end edges of the rotating arms can be abutted against the limiting blocks.

8. The clamp for a pipe welding process fixture of claim 2, further comprising a handle disposed at an upper end of the drive rod.