CN219837505U

CN219837505U - Positioning and clamping mechanism for steel bar

Info

Publication number: CN219837505U
Application number: CN202321240941.3U
Authority: CN
Inventors: 李敏; 易雪芹; 许文婷
Original assignee: Shanghai Jiudianjiu Design Consulting Co ltd
Current assignee: Shanghai Jiudianjiu Design Consulting Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-17
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of steel bar processing, in particular to a positioning and clamping mechanism for a steel bar, which comprises a workbench, wherein a power assembly is arranged at the bottom of the workbench, a clamping assembly is arranged at the top of the workbench, and a placing groove is formed in one side of the top surface of the workbench; the clamping assembly comprises a fixed table fixedly connected to the top of the workbench, a connecting shaft is rotationally connected to the middle of the fixed table, two springs are fixedly connected to one side of the connecting shaft, the improved positioning and clamping mechanism drives the pressing plate to clamp the steel bar through the power assembly, compared with the traditional manual screwing mode of clamping the steel bar by the threaded rod, the clamping speed is faster, the pressing plate rotates to the top of the fixed table when the clamping is released, the movable space is avoided, the steel bar is conveniently placed in the placing groove, the clamping efficiency of the steel bar is improved, and the machining quality is more stably ensured for the water resistance of the upper clamping and the lower clamping compared with the traditional clamping mode of the clamping plates at the left side and the right side.

Description

Positioning and clamping mechanism for steel bar

Technical Field

The utility model relates to the technical field of steel bar machining, in particular to a positioning and clamping mechanism for a steel bar.

Background

The steel bar is a common metal part with wide application, is more applied to the building construction, industrial machinery and medical machinery industries, can be used for producing and assembling mechanical equipment, can be used as a required auxiliary tool, is fixed by using a clamping tool, and can be manufactured by cutting, carving, polishing, welding, drilling and the like, and various metal parts can be obtained by the process.

In the processing process of the steel bar, no matter cutting, polishing and the like are carried out on the steel bar, the steel bar is clamped and fixed in no exception, so that the steel bar is kept stable in the processing process, and deviation of processing caused by movement of the steel bar is avoided, and therefore, the positioning and clamping mechanism is an indispensable device in the processing process of the steel bar.

The prior patent (publication number: CN 216228898U) discloses a stainless steel bar clamping device, which comprises a supporting plate and a clamping assembly arranged on the supporting plate; the clamping assembly comprises a bottom plate, a sliding plate, sliding blocks, threaded rods, fixing blocks and limiting rings, wherein the bottom plate is arranged on the supporting plate, a groove and a sliding groove are formed in the bottom plate, the groove and the sliding groove are mutually communicated, the sliding plate is arranged on the inner wall of the groove, the sliding blocks are arranged in the sliding groove in a sleeved mode, the threaded rods are arranged on the sliding blocks in an installation mode, one ends of the threaded rods penetrate through the threaded rods, the other ends of the threaded rods penetrate through the fixing blocks, the fixing blocks are arranged on the supporting plate, the number of the limiting rings is two, the two limiting rings are sleeved on the threaded rods, the two limiting rings are respectively contacted with two side faces of the fixing blocks, and the stainless steel rods are clamped more stably through the clamping assembly. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the existing steel bar clamping device drives the sliding block to clamp the steel bar through the rotary handle and the threaded rod, but a large amount of time is consumed by rotating the threaded rod, the clamping speed is low, the existing clamping device has less avoidance space, the speed is low when the steel bar is placed, and the production efficiency is low; 2. many existing steel bar clamping devices clamp steel bars through two clamping plates, but the steel bars are cylindrical, the clamping is not stable enough, the steel bars can displace in the machining process, the machining deviation is caused, and the machining quality is affected.

Disclosure of Invention

The utility model aims to provide a positioning and clamping mechanism for a steel rod, which aims to solve the problems of low production efficiency caused by low clamping speed, less avoidance space and low speed when the steel rod is placed by the existing steel rod clamping device in the background technology; and current steel bar clamping device carries out the centre gripping to the steel bar through two splint, and the not stable enough of centre gripping influences processingquality's problem. In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning and clamping mechanism for the steel bar comprises a workbench, wherein a power assembly is arranged at the bottom of the workbench, a clamping assembly is arranged at the top of the workbench, and a placing groove is formed in one side of the top surface of the workbench;

the clamping assembly comprises a fixed table fixedly connected to the top of the workbench, a connecting shaft is rotationally connected to the middle of the fixed table, two springs are fixedly connected to one side of the connecting shaft, two springs are fixedly connected to one ends of the springs through first fixing shafts, the first fixing shafts penetrate through the middle of the pressing plate, and second fixing shafts are fixedly connected to one side of the middle of the pressing plate.

Further preferably, the power assembly comprises a cylinder barrel fixedly connected to the bottom of the workbench, a piston is movably connected to the middle part of the inner side of the cylinder barrel, and a pull rod is fixedly connected to the top of the piston.

Further preferably, the top end of the pull rod penetrates through the workbench and is rotationally connected with two ends of the second fixed shaft.

Further preferably, the corner of the fixing table, which is close to one side of the pressing plate, is a round corner.

Further preferably, an elastic structure is formed between the connecting shaft and the first fixed shaft through two springs.

Further preferably, the placement groove is V-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the piston in the power assembly pushes the pull rod to lift, so that the pressing plate is driven to move along one side of the fixed table, the pressing plate is moved to the top of the fixed table in cooperation with the spring, so that the pressing plate is released or clamps the steel bar in the placing groove, compared with the traditional mode of manually screwing the threaded rod to clamp the steel bar, the clamping speed is higher, the structure can move the pressing plate to the top of the fixed table, the movable space is avoided, the steel bar is conveniently placed in the placing groove, and the clamping efficiency of the steel bar is improved.

According to the utility model, the steel bar to be processed is placed in the placing groove to be matched with the pressing plate to clamp the steel bar, the V-shaped placing groove can prevent the steel bar from sliding out of the groove under the extrusion of the pressing plate, and the structure is clamped up and down, so that compared with the traditional clamping mode of the clamping plates at the left side and the right side, the steel bar clamping device is more stable, is not influenced by gravity, prevents the steel bar from sliding downwards in the processing process, and ensures the processing quality.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the present utility model;

fig. 4 is a schematic view showing a front view of the clamping releasing state of the present utility model.

In the figure: 1. a work table; 2. a power assembly; 201. a cylinder; 202. a piston; 203. a pull rod; 3. a clamping assembly; 301. a fixed table; 302. a connecting shaft; 303. a spring; 304. a first fixed shaft; 305. a pressing plate; 306. a second fixed shaft; 4. and (5) placing a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the positioning and clamping mechanism for the steel bar comprises a workbench 1, wherein a power assembly 2 is arranged at the bottom of the workbench 1, a clamping assembly 3 is arranged at the top of the workbench 1, and a placing groove 4 is formed in one side of the top surface of the workbench 1;

the clamping assembly 3 comprises a fixed table 301 fixedly connected to the top of the workbench 1, a connecting shaft 302 is rotatably connected to the middle of the fixed table 301, two springs 303 are fixedly connected to one side of the connecting shaft 302, one ends of the two springs 303 are fixedly connected through a first fixing shaft 304, the first fixing shaft 304 penetrates through the middle of a pressing plate 305, and a second fixing shaft 306 is fixedly connected to one side of the middle of the pressing plate 305.

In this embodiment, as shown in fig. 4, the power assembly 2 includes a cylinder 201 fixedly connected to the bottom of the workbench 1, a piston 202 is movably connected to the middle of the inner side of the cylinder 201, and a pull rod 203 is fixedly connected to the top of the piston 202.

In this embodiment, as shown in fig. 1, 2 and 4, the top end of the pull rod 203 penetrates through the workbench 1 and is rotatably connected with two ends of the second fixed shaft 306; the pull rod 203 can drive the pressing plate 305 to move through the second fixing shaft 306, so that the pressing plate 305 clamps the steel bars in the placing groove 4.

In this embodiment, as shown in fig. 1, 2 and 4, the corner of the fixed platform 301 near the platen 305 is rounded; the rounded design enables the platen 305 to more easily move along the corners of the fixture 301 to the top of the fixture 301.

In this embodiment, as shown in fig. 2 and 3, an elastic structure is formed between the connecting shaft 302 and the first fixing shaft 304 by two springs 303; can cooperate pull rod 203 to make clamp plate 305 remove the top to fixed station 301, relieve the centre gripping to the steel bar to this structure has dodged the activity space, conveniently put into standing groove 4 with the steel bar, has improved the clamping efficiency of steel bar.

In this embodiment, as shown in fig. 1 and 2, the placement groove 4 is "V" -shaped; the standing groove 4 of V-arrangement can avoid the steel bar to slide out from the groove under the extrusion of clamp plate 305, and the clamping mode of standing groove 4 cooperation clamp plate 305 is more stable in the clamping mode of traditional left and right sides splint, does not receive the influence of gravity, has avoided the steel bar to slide downwards in the course of working, has guaranteed the quality of processing.

The application method and the advantages of the utility model are as follows: the positioning and clamping mechanism for the steel bar has the following working process when being wound up:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, firstly, the steel bar to be processed is placed in the placing groove 4, then, the cylinder 201 is started to drive the internal piston 202 to move downwards, the piston 202 drives the pull rod 203 at the top to move downwards, the pull rod 203 drives the pressing plate 305 to rotate along the surface of the fixed table 301 through the second fixing shaft 306 when moving downwards, the pressing plate 305 rotates 90 degrees to clamp the steel bar in the placing groove 4, the V-shaped placing groove 4 can prevent the steel bar from sliding out of the groove under the extrusion of the pressing plate 305, and the structure is used for clamping up and down.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a positioning and clamping mechanism of steel bar, includes workstation (1), its characterized in that: the bottom of the workbench (1) is provided with a power component (2), the top of the workbench (1) is provided with a clamping component (3), and one side of the top surface of the workbench (1) is provided with a placing groove (4);

the clamping assembly (3) comprises a fixed table (301) fixedly connected to the top of the workbench (1), a connecting shaft (302) is rotationally connected to the middle of the fixed table (301), two springs (303) are fixedly connected to one side of the connecting shaft (302), one ends of the two springs (303) are fixedly connected through a first fixing shaft (304), the first fixing shaft (304) penetrates through the middle of the pressing plate (305), and a second fixing shaft (306) is fixedly connected to one side of the middle of the pressing plate (305).

2. The positioning and clamping mechanism for steel bars according to claim 1, wherein: the power assembly (2) comprises a cylinder barrel (201) fixedly connected to the bottom of the workbench (1), a piston (202) is movably connected to the middle of the inner side of the cylinder barrel (201), and a pull rod (203) is fixedly connected to the top of the piston (202).

3. The positioning and clamping mechanism for steel bars according to claim 2, wherein: the top end of the pull rod (203) penetrates through the workbench (1) and is rotationally connected with the two ends of the second fixed shaft (306).

4. The positioning and clamping mechanism for steel bars according to claim 1, wherein: the corner of the side, close to the pressing plate (305), of the fixing table (301) is a round corner.

5. The positioning and clamping mechanism for steel bars according to claim 1, wherein: an elastic structure is formed between the connecting shaft (302) and the first fixed shaft (304) through two springs (303).

6. The positioning and clamping mechanism for steel bars according to claim 1, wherein: the placing groove (4) is V-shaped.