Online bar automatic marking equipment

Abstract

The utility model provides on-line automatic bar marking equipment, which relates to the technical field of bar production, and comprises a first marking head and a second marking head, one end of the first marking head and one end of the second marking head are respectively provided with a dialing air cylinder, one end of each dialing air cylinder is provided with a main shaft, and the other end of each dialing air cylinder is provided with a main shaft. And one end of each of the two main shafts is provided with a safety coupling. The first marking head and the second marking head are ratchet-type, 1-0-shaped heads are arranged on the outer circles of the first marking head and the second marking head, the first marking head and the second marking head are provided with fixed clamping jaws and shifting forks, and the fixed clamping jaws are always ventilated by about 3.5 bar through a small plunger and are fixed in inclined grooves in ratchet wheels, so that numbers cannot move during marking; the dialing air cylinder drives the connecting rod to swing, the number printing disc pressed by the shifting fork rotates to achieve number changing, automatic number printing is carried out one by one while steel rolling production is carried out, after number printing is completed, automatic number changing can be achieved according to requirements, only pneumatic control is needed, the structure is simple, and the number printing speed is high.

Description

An online automatic bar marking device Technical Field

[0001] This utility model relates to the field of bar production technology, and in particular to an online automatic bar marking device. Background Technology

[0002] Online automatic bar marking equipment is an automated marking device used in industries such as steel and metal processing. It is primarily used to automatically print information such as production date, specifications, batch number, and manufacturer on the surface of bars (such as round steel and rebar). This equipment integrates mechanical, electrical, and software control systems to achieve high-speed, accurate, and stable marking operations, improving production efficiency and product traceability.

[0003] Currently, existing online automatic bar marking equipment requires the bars to be moved to a cooling bed and left the production line before marking can be done using laser, spraying, or other equipment. This method is inefficient and prone to errors, laser marking requires offline operation, spraying marking does not preserve the marks, and pendulum marking relies on its own weight and collision with incoming materials, which cannot achieve automatic number changing. Existing equipment cannot achieve online automatic marking and changing, and therefore cannot meet customer production needs. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of low efficiency and easy detection of mixed numbers in existing marking technologies, such as laser marking which requires offline operation, spray marking which cannot be preserved for a long time, and pendulum marking which relies on its own weight and collision with incoming materials and cannot achieve automatic number changing. Existing equipment cannot achieve online automatic marking and number changing and cannot meet the production needs of customers. Therefore, this invention proposes an online automatic bar marking device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an online automatic bar marking device, comprising a first marking head and a second marking head, wherein a dialing cylinder is installed at one end of the first marking head and the second marking head, a main shaft is installed at one end of each of the dialing cylinders, a safety coupling is installed at one end of each of the main shafts, a pressing cylinder is installed on the outer side of each of the main shafts, a marking disc is installed inside the first marking head and the second marking head, and a chuck is installed at one end of the marking disc.

[0006] Preferably, a buffer cylinder is installed on the outer wall of both safety couplings.

[0007] Preferably, a base is provided below both the first and second numbering heads, and an upper frame is provided above the base.

[0008] Preferably, a movable cylinder is installed inside the base, and a screw jack is installed at the output end of the movable cylinder, with the output end of the screw jack fixed to the upper frame.

[0009] Preferably, the spindle is mounted inside the upper frame.

[0010] Preferably, one end of the dialing cylinder is equipped with a dial fork, and one end of the dial fork is in contact with the dialing disk.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] In this invention, when the high-temperature bar passes through, it will collide with the first and second marking heads at a certain speed. The safety coupling provides a certain resistance to the main shaft so that when the bar collides with the marking head, the resistance of the main shaft is less than the force of the bar hitting the main shaft. After the bar collides with the marking head, automatic marking is achieved, and the marking head is automatically lifted. The bar passes through the steel automatically without stopping. Two sets of data are printed on the end of the bar stock. Each set of data represents the material, model, and production batch of the bar stock. When the marking head is raised, the marking cylinder pushes its own connecting rod to rotate, thereby causing the marking disc to rotate at a certain angle to achieve the marking function. After the marking is completed, the pressing cylinder pushes its own connecting rod to drive the main shaft to rotate, and the marking head falls to a vertical position to wait for the next bar stock to be marked. The first and second marking heads are ratchet type, with 1-0 on the outer circle, and are equipped with fixed claws and shift forks. The fixed claws are always fixed in the inclined groove on the ratchet by air supply of about 3.5 bar through a small plunger so that the numbers will not jump during marking. When marking, the pneumatic plunger first presses the shift fork on one of the marking discs, and then the marking cylinder drives the connecting rod to swing. The marking disc pressed by the shift fork rotates to achieve the number change. Automatic marking is performed one by one during steel rolling production. After marking is completed, automatic number change can be achieved as required. It only requires pneumatic control, has a simple structure, and a fast marking speed. Attached Figure Description

[0013] Figure 1 is a perspective view of an online automatic bar marking device proposed in this utility model;

[0014] Figure 2 is a perspective view of the marking position of the online automatic bar marking device proposed in this utility model;

[0015] Figure 3 is a perspective view of the dialing position of the marking head of the online automatic bar marking device proposed in this utility model.

[0016] Legend: 1. First numbering head; 2. Second numbering head; 3. Dial cylinder; 4. Main shaft; 5. Pressing cylinder; 6. Buffer cylinder; 7. Safety coupling; 8. Numbering disc; 9. Claw; 10. Dial fork; 11. Base; 12. Moving cylinder; 13. Upper frame; 14. Screw jack. Detailed Implementation

[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0019] Example 1, as shown in Figures 1-3, provides an online automatic bar marking device, including a first marking head 1 and a second marking head 2. A marking cylinder 3 is installed at one end of both the first marking head 1 and the second marking head 2. A main shaft 4 is installed at one end of each of the two marking cylinders 3. A safety coupling 7 is installed at one end of each of the two main shafts 4. A pressing cylinder 5 is installed on the outside of each of the two main shafts 4. A marking disc 8 is installed inside the first marking head 1 and the second marking head 2. A claw 9 is installed at one end of the marking disc 8.

[0020] The overall effect of Embodiment 1 is as follows: when the high-temperature bar passes through, it will collide with the first marking head 1 and the second marking head 2 at a certain speed. The safety coupling 7 provides a certain resistance to the main shaft 4 so that when the bar collides with the marking head, the resistance of the main shaft 4 is less than the force of the bar hitting the main shaft 4. After the bar collides with the marking head, automatic marking is achieved, and the marking head is automatically lifted. The bar passes through the steel automatically without stopping. Two sets of data will be printed on the end of the bar. Each set of data represents the material, model, production batch, etc. of this bar. When the marking head is lifted, the dialing cylinder 3 pushes its own connecting rod to rotate, thereby driving the marking disk 8 to rotate at a certain angle to realize the dialing function. After the dialing is completed, the pressing cylinder 5 pushes its own connecting rod to drive the main shaft 4 to rotate, and the marking head falls to a vertical position to wait for the next bar to be marked.

[0021] Example 2, as shown in Figures 1-3, has buffer cylinders 6 installed on the outer walls of the two safety couplings 7. The first numbering head 1 and the second numbering head 2 are provided with a base 11 below them. An upper frame 13 is provided above the base 11. A movable cylinder 12 is installed inside the base 11. A screw jack 14 is installed at the output end of the movable cylinder 12. The output end of the screw jack 14 is fixed to the upper frame 13. The main shaft 4 is installed inside the upper frame 13. A dial fork 10 is installed at one end of the dialing cylinder 3. One end of the dial fork 10 is in contact with the numbering disk 8.

[0022] The overall effect of Embodiment 2 is as follows: the base 11 has a moving cylinder 12, which can drive the upper frame 13 to move back and forth, and a screw lift 14 can adjust the height of the upper frame 13. This device has two sets of numbering heads, namely the first numbering head 1 and the second numbering head 2, and each of them consists of five circular numbering discs 8. The numbering disc 8 in the second numbering head 2 consists of three circular marks. The center of the first numbering head 1 is 20mm higher than the center of the second numbering head 2. Each numbering disc 8 is engraved with numbers 0 to 9 on its circumference. When changing numbers, the numbering head can rotate the numbers. The five numbering discs 8 of the first numbering head 1 are pressed by five claws 9 and controlled by a pneumatic circuit with a control pressure of 3.5 bar. When the rod hits the numbering disc 8, the numbering disc 8 will not rotate to avoid affecting the numbering. After the first numbering head 1 finishes numbering, it is raised to the number changing position. The dial fork 10 presses the dial to be dialed through a pneumatic plunger. The dialing cylinder 3 rotates this dial to realize the dialing.

[0023] Working principle: When the device is in use, the high-temperature bar passes through and collides with the first marking head 1 and the second marking head 2 at a certain speed. The safety coupling 7 provides a certain resistance to the main shaft 4 so that when the bar collides with the marking head, the resistance of the main shaft 4 is less than the force of the bar hitting the main shaft 4. After the bar hits the marking head, automatic marking is achieved and the marking head is automatically lifted. The bar passes through the steel automatically without stopping. Two sets of data will be printed on the end of the bar stock. Each set of data represents the material, model, and production batch of the bar stock. When the marking head is raised, the marking cylinder 3 pushes its own connecting rod to rotate, thereby causing the marking disc 8 to rotate at a certain angle to achieve the marking function. After the marking is completed, the pressing cylinder 5 pushes its own connecting rod to drive the main shaft 4 to rotate, and the marking head falls to a vertical position to wait for the next bar stock to be marked. There is a moving cylinder 12 on the base 11, which can drive the upper frame 13 to move back and forth, and there is a screw lift 14 to adjust the height of the upper frame 13. This equipment has two sets of marking heads, namely the first marking head 1 and the second marking head 2, and its internal It consists of five circular marking dials 8. The second marking head 2 has three circular marking dials 8. The center of the first marking head 1 is 20mm higher than the center of the second marking head 2. Each marking dial 8 is engraved with numbers 0 to 9. When changing numbers, the marking head can rotate the numbers. The five marking dials 8 of the first marking head 1 are pressed by five claws 9 and controlled by a pneumatic circuit with a control pressure of 3.5 bar. When the rod hits the marking dial 8, the marking dial 8 will not rotate to avoid affecting the marking. After the first marking head 1 has finished marking, it is raised to the number changing position. The dial fork 10 presses the dial to be dialed through a pneumatic plunger. The dialing cylinder 3 rotates this dial to realize the dialing.

[0024] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An online automatic bar marking device, comprising a first marking head (1) and a second marking head (2), characterized in that: One end of the first numbering head (1) and the second numbering head (2) is equipped with a dialing cylinder (3), one end of the two dialing cylinders (3) is equipped with a spindle (4), one end of the two spindles (4) is equipped with a safety coupling (7), and the outside of the two spindles (4) is equipped with a pressing cylinder (5). A numbering disc (8) is installed inside the first numbering head (1) and the second numbering head (2), and one end of the numbering disc (8) is equipped with a chuck (9).

2. The online automatic bar marking device according to claim 1, characterized in that: Both safety couplings (7) are equipped with buffer cylinders (6) on their outer walls.

3. The online automatic bar marking device according to claim 1, characterized in that: The first numbering head (1) and the second numbering head (2) are provided with a base (11) below them, and an upper frame (13) is provided above the base (11).

4. The online automatic bar marking device according to claim 3, characterized in that: A movable cylinder (12) is installed inside the base (11), and a screw jack (14) is installed at the output end of the movable cylinder (12). The output end of the screw jack (14) is fixed to the upper frame (13).

5. The online automatic bar marking device according to claim 3, characterized in that: The main shaft (4) is installed inside the upper frame (13).

6. The online automatic bar marking device according to claim 1, characterized in that: One end of the dial cylinder (3) is equipped with a dial fork (10), and one end of the dial fork (10) is in contact with the dial plate (8).

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