CN219819725U

CN219819725U - Multi-position marking machine for surface of steel bar

Info

Publication number: CN219819725U
Application number: CN202320944278.9U
Authority: CN
Inventors: 袁小雨; 刘林; 张鑫; 张星
Original assignee: Hunan Urban Construction Testing Co ltd
Current assignee: Hunan Urban Construction Testing Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-10-13
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses a multi-position punctuation machine on the surface of a steel bar, which is provided with a frame, wherein the inner side wall of the frame is vertically and slidingly connected with a punctuation mechanism, the top of the frame is provided with a driving mechanism for driving the punctuation mechanism to slide up and down, two opposite inner side walls of the frame are respectively provided with a rotatable clamping assembly, each clamping assembly comprises a positioning frame rotationally connected with the inner wall of the frame, each positioning frame is provided with two fixing plates in parallel, a first V-shaped clamping block is fixedly arranged on one fixing plate, the other fixing plate is in threaded connection with a threaded rod, the end part of the threaded rod is rotationally connected with a second V-shaped clamping block corresponding to the first V-shaped clamping block, the periphery of the positioning frame in one clamping assembly is coaxially and fixedly provided with a toothed ring, the bottom of the frame is fixedly provided with a servo motor, and the output end of the servo motor is fixedly provided with a straight-tooth gear which is meshed with the toothed ring.

Description

Multi-position marking machine for surface of steel bar

Technical Field

The utility model relates to the field of steel bar detection, in particular to a multi-position marking machine for the surface of a steel bar.

Background

The steel bar is an important building material, and a plurality of tests are usually required to be carried out on the steel bar before the steel bar is used to detect whether the performance of the steel bar is qualified, and a plurality of positions on the surface of the steel bar are usually required to be marked before the tensile test is carried out on the steel bar, so that the subsequent observation and the detection are convenient.

The existing steel bar surface punctuation usually adopts a pressure head to apply pressure to the steel bar surface to form marks on the steel bar surface, when a plurality of pressure heads synchronously press down, the steel bar is bent and deformed, the problems that the punctuation depth is different and even the punctuation falls down or the punctuation is offset are easily caused, and the marking effect and the subsequent test are affected.

Disclosure of Invention

In order to solve the problems, the utility model provides a multi-position punctuation machine for the surface of a steel bar, which comprises a frame, wherein the inner side wall of the frame is vertically and slidably connected with a punctuation mechanism, the top of the frame is provided with a driving mechanism for driving the punctuation mechanism to slide up and down, two opposite inner side walls of the frame are respectively provided with a rotatable clamping assembly, each clamping assembly comprises a positioning frame rotationally connected with the inner wall of the frame, two fixing plates are arranged on the positioning frame in parallel, a first V-shaped clamping block is fixedly arranged on one fixing plate, a threaded rod is connected with the other fixing plate in a threaded manner, the end part of the threaded rod is rotationally connected with a second V-shaped clamping block corresponding to the first V-shaped clamping block, the periphery of the positioning frame in one clamping assembly is coaxially and fixedly provided with a toothed ring, the bottom of the frame is fixedly provided with a servo motor, and the output end of the servo motor is fixedly provided with a straight-tooth gear which is meshed with the toothed ring.

Further, the punctuation mechanism comprises a driving plate which is vertically connected with the side wall of the frame in a sliding mode, two supporting seats are fixedly arranged at the bottom of the driving plate, a rotating shaft is connected between the two supporting seats in a rotating mode, a plurality of grinding sheets are fixed on the rotating shaft at equal intervals, a synchronous belt is wound on the periphery of the rotating shaft, the other end of the synchronous belt is wound at the output end of a first driving motor, and the first driving motor is fixed with the driving plate.

Further, a guide rail is vertically fixed on the side wall of the frame, a sliding block is connected to the guide rail in a sliding mode, and the sliding block is fixed with the end portion of the driving plate.

Further, the driving mechanism comprises a driving rod which is vertically and rotationally connected in the frame, external threads are formed in the driving rod and are in threaded connection with the driving plate, a bevel gear A is fixed at the top end of the driving rod, the driving mechanism further comprises a driving shaft which is horizontally and rotationally connected at the top of the frame, a bevel gear B is fixed on the driving shaft, the bevel gear B is meshed with the bevel gear A, and one end of the driving shaft penetrates through the side wall of the frame and a rotary handle is fixed at the end part of the driving shaft.

Further, an electromagnet is fixed in the first V-shaped clamping block groove.

Further, a guide rod is fixedly arranged at the top of the second V-shaped clamping block, and the guide rod penetrates through the fixing plate and is connected with the fixing plate in a sliding mode.

The utility model has the following beneficial effects:

1. according to the multi-position marking machine for the surface of the steel bar, the steel bar is clamped through the first V-shaped block and the second V-shaped block on the locating frame in the clamping assembly, the locating frame is driven to rotate through the straight tooth gear at the output end of the servo motor and the toothed ring on the locating frame, the steel bar is clamped and located, and meanwhile the position of the steel bar outside Zhou Renyi can be marked by the marking mechanism, so that the problem that marking points fall down or marking point offset is caused by capacity is avoided.

2. According to the multi-position marking machine for the surface of the steel bar, the grinding disc is driven to rotate through the rotating shaft, obvious marks are formed on the surface of the steel bar through friction between the grinding disc and the steel bar, and the marking quality of the marking machine is improved.

Drawings

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

FIG. 2 is a schematic view of the clamping assembly of FIG. 1;

the reference numerals are explained as follows: 100, reinforcing steel bars; 1. a frame; 2. a positioning frame; 3. a fixing plate; 4. a first V-shaped clamp block; 5. a threaded rod; 6. a second V-shaped clamp block; 7. a toothed ring; 8. a servo motor; 9. a spur gear; 10. a driving plate; 11. a support base; 12. a rotating shaft; 13. grinding; 14. a synchronous belt; 15. a first driving motor; 16. a guide rail; 17. a slide block; 18. a driving rod; 19. bevel gears A; 20. a drive shaft; 21. bevel gear B; 22. a turning handle; 23. an electromagnet; 24. a guide rod.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 and 2, a multi-position marking machine for the surface of a steel bar comprises a frame 1, wherein the inner side walls of the frame 1 are vertically and slidably connected with marking mechanisms, marking mechanisms can mark a steel bar 100 body, driving mechanisms for driving the marking mechanisms to slide up and down are arranged at the top of the frame 1, and rotatable clamping assemblies are arranged on two opposite inner side walls of the frame 1.

In this embodiment, the clamping assembly includes the locating rack 2 that frame 1 inner wall rotates to be connected, parallel arrangement has two fixed plates 3 on the locating rack 2, one of them fixed plate 3 is last to be inherent first V-arrangement clamp splice 4, threaded connection has threaded rod 5 on another fixed plate 3, threaded rod 5 tip rotation is connected with the second V-arrangement clamp splice 6 corresponding with first V-arrangement clamp splice 4, rotate threaded rod 5 and can drive second V-arrangement clamp splice 6 and be close to or keep away from first V-arrangement clamp splice 4, realize the centre gripping of first V-arrangement clamp splice 4 and second V-arrangement clamp splice 6 to bar 100, the coaxial inherent toothed ring 7 of locating rack 2 periphery in one of them clamping assembly, servo motor 8 is fixed to frame 1 bottom, servo motor 8 output is fixed with straight tooth gear 9, straight tooth gear 9 meshes with toothed ring 7 mutually, servo motor 8 can drive clamping assembly rotation through straight tooth gear 9 and toothed ring 7 of intermeshing, clamping assembly rotates and can drive the synchronous rotation of bar 100 of its centre gripping, the punctuation mechanism is convenient for carry out punctuation to the different positions of 100 periphery, first V-arrangement clamp splice 4 clamp splice 23, the electromagnet 23 in the firm clamp splice 6 can be avoided holding in the second V-arrangement clamp splice 6 to produce the potential safety hazard of second V-arrangement clamp splice 6 when the steel bar 100 is fixed in the clamping assembly.

In this embodiment, the punctuation mechanism includes a driving board 10 vertically slidingly connected to a side wall of the frame 1, preferably, a guide rail 16 is vertically fixed to the side wall of the frame 1, a sliding block 17 is slidingly connected to the guide rail 16, the sliding block 17 is fixed to an end of the driving board 10, the driving board 10 is slidingly connected to the frame 1 through the guide rail 16 and the sliding block 17, two supporting seats 11 are fixedly arranged at the bottom of the driving board 10, a rotating shaft 12 is rotationally connected between the two supporting seats 11, a plurality of grinding sheets 13 are uniformly fixed on the rotating shaft 12 at intervals, a membrane can rotate along with the rotating shaft 12, a synchronous belt 14 is wound around the periphery of the rotating shaft 12, the other end of the synchronous belt 14 is wound at an output end of a first driving motor 15, the first driving motor 15 is fixed to the driving board 10, and the first driving motor 15 can move along with the driving board 10, and the first driving motor 15 can synchronously rotate along with the rotating shaft 12 through a synchronous belt 14 wound at the output end of the first driving motor 15.

In the embodiment, the driving mechanism comprises a driving rod 18 which is vertically and rotatably connected on the frame 1, an external thread is arranged on the driving rod 18 and is in threaded connection with the driving plate 10, a bevel gear A19 is fixed at the top end of the driving rod 18, the driving mechanism also comprises a driving shaft 20 which is horizontally and rotatably connected at the top of the frame 1, a bevel gear B21 is fixed on the driving shaft 20, the bevel gear B21 is meshed with the bevel gear A19, the drive shaft 20 can drive the drive rod 18 to rotate through the intermeshing bevel gears A19 and B21, the drive rod 18 can drive the drive plate 10 in threaded connection with the drive rod to move up and down, so that the punctuation mechanism on the drive plate 10 is driven to approach or depart from the steel bar 100 clamped by the clamping assembly, one end of the drive shaft 20 penetrates through the side wall of the frame 1, and the end part of the drive shaft is fixed with a rotary handle 22.

In this embodiment, a guide rod 24 is fixed on the top of the second V-shaped clamping block 6, the guide rod 24 penetrates through the fixing plate 3 and is slidably connected with the fixing plate, and the guide rod 24 can guide the displacement of the second V-shaped clamping block 6, so as to prevent the second V-shaped clamping block 6 from rotating along with the threaded rod 5 or from freely rotating.

The working principle of the utility model is as follows: the two ends of the steel bar 100 penetrate through positioning frames 2 on two opposite inner side walls of the frame 1, the steel bar 100 is placed in grooves of a first V-shaped clamping block 4 on the positioning frames 2, the first V-shaped clamping block 4 provides support for the steel bar 100, an electromagnet 23 is electrified, the steel bar 100 is adsorbed in the grooves of the first V-shaped clamping block 4, a threaded rod 5 is rotated, a second V-shaped clamping block 6 approaches the first V-shaped clamping block 4 under the guidance of the drive of the threaded rod 5 and a guide rod 24 to finish clamping the steel bar 100, a first driving motor 15 starts to drive a rotating shaft 12 to rotate through a synchronous belt 14 at the output end, a grinding disc 13 on the rotating shaft 12 synchronously rotates along with the rotating shaft 12, a rotating handle 22 drives a driving rod 18 to rotate, the driving rod 18 drives the driving rod 18 to rotate through a meshed bevel gear A19 and a bevel gear B21, a driving plate 10 is driven by the screw thread of the driving rod 18 to downwards move, the rotating shaft 12 and the grinding disc 13 approaches the clamped steel bar 100, a grinding mark can be left on the surface of the steel bar 100 when the rotating grinding disc 13 abuts against the steel bar 100, the rotating grinding disc 100 is completed, the rotating servo motor 8 drives the rotating shaft 12 to rotate along with the rotating shaft 2 through a toothed ring 7 and the same length of the positioning frame 2, and the same positioning part can form a synchronous length of the steel bar 100.

After the marking is finished, the marking mechanism can be driven to reset by rotating the rotary handle 22, the second V-shaped clamping block 6 can be driven to be far away from the first V-shaped clamping block 4 by rotating the threaded rod 5, at the moment, the steel bar 100 is adsorbed in the first V-shaped clamping block 4 by the electromagnet 23, and the electromagnet 23 can be removed after power is off.

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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a reinforcing bar surface multiposition point machine, includes frame (1), its characterized in that: the utility model provides a vertical sliding connection of frame (1) inside wall has punctuation mechanism, drive punctuation mechanism gliding actuating mechanism from top to bottom is installed at frame (1) top, rotatable clamping assembly is all installed on the inside wall that frame (1) are relative, clamping assembly includes frame (1) inner wall rotation and connects locating rack (2), parallel arrangement has two fixed plates (3) on locating rack (2), one of them inherent first V-arrangement clamp splice (4) on fixed plate (3), another threaded connection has threaded rod (5) on fixed plate (3), threaded rod (5) tip rotation is connected with second V-arrangement clamp splice (6) corresponding with first V-arrangement clamp splice (4), and locating rack (2) periphery coaxial inherent ring gear (7) in one of them clamping assembly, servo motor (8) bottom fixed, servo motor (8) output end is fixed with straight tooth gear (9), straight tooth gear (9) mesh with ring gear (7).

2. The multi-site machine for reinforcing steel bar surfaces as set forth in claim 1, wherein: the marking mechanism comprises a driving plate (10) which is vertically and slidingly connected with the side wall of the frame (1), two supporting seats (11) are fixedly arranged at the bottom of the driving plate (10), a rotating shaft (12) is rotatably connected between the supporting seats (11), a plurality of grinding sheets (13) are uniformly and alternately fixed on the rotating shaft (12), a synchronous belt (14) is wound on the periphery of the rotating shaft (12), the other end of the synchronous belt (14) is wound at the output end of a first driving motor (15), and the first driving motor (15) is fixed with the driving plate (10).

3. The multi-site machine for reinforcing steel bar surface as set forth in claim 2, wherein: the side wall of the frame (1) is vertically fixed with a guide rail (16), the guide rail (16) is connected with a sliding block (17) in a sliding way, and the sliding block (17) is fixed with the end part of the driving plate (10).

4. The multi-site machine for the surface of the steel bar according to claim 1, characterized in that the driving mechanism comprises a driving rod (18) which is vertically and rotatably connected on the frame (1), external threads are formed on the driving rod (18) and are in threaded connection with the driving plate (10), a bevel gear A (19) is fixed at the top end of the driving rod (18), the driving mechanism further comprises a driving shaft (20) which is horizontally and rotatably connected with the top of the frame (1), a bevel gear B (21) is fixed on the driving shaft (20), the bevel gear B (21) is meshed with the bevel gear A (19), and one end of the driving shaft (20) penetrates through the side wall of the frame (1) and a rotary handle (22) is fixed at the end part of the driving shaft.

5. The multi-site machine for reinforcing steel bar surfaces as set forth in claim 1, wherein: an electromagnet (23) is fixed in the groove of the first V-shaped clamping block (4).

6. The multi-site machine for reinforcing steel bar surfaces as set forth in claim 1, wherein: the top of the second V-shaped clamping block (6) is fixedly provided with a guide rod (24), and the guide rod (24) penetrates through the fixed plate (3) and is connected with the fixed plate in a sliding mode.