Steel unloading mechanism for bar wire rolling

Abstract

The utility model discloses a steel unloading mechanism for bar and wire rolling. The steel unloading mechanism comprises a rack, a rotation driving mechanism having a rotatable output shaft; the steel unloading roller is coaxially connected with the output shaft, and the central axis of the steel unloading roller obliquely extends downwards in the direction away from the rotary driving mechanism; a spiral groove is formed in the peripheral wall of the steel unloading roller, so that when the steel unloading roller rotates along with the output shaft, the spiral groove has acting force for pushing the bars on the steel unloading roller to move in the direction away from the rotation driving mechanism. The spiral groove is formed in the peripheral wall of the steel unloading roller, the spiral groove can generate an acting force for pushing a bar to move in the direction far away from the rotary driving mechanism under the driving of the rotary driving mechanism, and the bar is rapidly unloaded under the dual actions of the pushing force and the gravity of the bar by matching with the inclined arrangement of the steel unloading roller; while the production efficiency is improved, the situation that the deformed steel bar is not completely detached when the brake plate ascends, the deformed steel bar is hooked by the brake plate, the deformed steel bar is bent, and the product quality is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field, especially, relate to a kind of bar line rolling unloading mechanism. BACKGROUND

[0002] In modern steel production, the production efficiency and product quality of bar line are important indicators to measure the competitiveness of enterprises. In the production process of ordinary bar line, threaded steel is usually conveyed to the cooling bed by the unloading roller on the steel jumping machine after being cut into double-length. The traditional unloading method relies on the inclination angle of the unloading roller and the lifting action of the brake plate to control the unloading of threaded steel. However, the traditional unloading design has the following shortcomings: slow unloading speed: due to the limited inclination angle of the unloading roller, the unloading speed of threaded steel under the action of gravity is slow, resulting in low production efficiency. Steel bending phenomenon: when the brake plate rises, if the threaded steel has not been completely unloaded, it may be caught by the brake plate, causing the threaded steel to bend and affecting product quality. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a kind of bar line rolling unloading mechanism.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A kind of bar line rolling unloading mechanism, comprising: a rack; a rotary drive mechanism having a rotatable output shaft; unloading roller, coaxially connected with the output shaft, the central axis of the unloading roller extends downwardly in the direction away from the rotary drive mechanism; the outer peripheral wall of the unloading roller is provided with spiral groove, so that the unloading roller rotates with the output shaft, the spiral groove has the action force of pushing the bar on the unloading roller in the direction away from the rotary drive mechanism.

[0006] Further, the unloading roller includes a roller core and a wear-resistant sleeve, the wear-resistant sleeve is sleeved on the roller core and can rotate synchronously with the roller core, and the spiral groove is formed on the outer peripheral wall of the wear-resistant sleeve.

[0007] Further, one end of the roller core away from the rotary drive mechanism is provided with an outwardly protruding positioning ring, and the end of the wear-resistant sleeve away from the rotary drive mechanism abuts against the positioning ring.

[0008] Further, it further includes a connecting disc, the connecting disc is connected with the output shaft, the connecting disc is connected and fixed with the roller core, and the end face of the connecting disc close to the rotary drive mechanism is attached to the wear-resistant sleeve.

[0009] Further, the connecting disc is provided with a connecting shaft extending away from the unloading roller, the connecting shaft is connected with the output shaft, the rack is provided with a bearing seat, the connecting shaft passes through the bearing seat and is installed with a deep groove ball bearing between the bearing seat.

[0010] Further, a threaded shaft is arranged at the end of the connecting shaft away from the connecting disc, a collar is threadedly connected on the threaded shaft, and a thrust ball bearing is arranged between the collar and the bearing seat.

[0011] Further, an insertion hole is arranged at the end face of the connecting shaft away from the connecting disc, and the output shaft is inserted into the insertion hole to realize torque transmission.

[0012] Further, the collar is provided with two abutting parts.

[0013] Further, the roller core is provided with a central hole, and a connecting end wall is arranged at the end of the central hole away from the connecting disc, and the connecting end wall and the connecting disc are provided with corresponding hole positions to be connected and fixed by fasteners.

[0014] Further, the inner wall of the wear-resistant sleeve is provided with a connecting protrusion, and the outer peripheral wall of the roller core is provided with an embedding groove for embedding the connecting protrusion.

[0015] Further, the steel unloading roller is internally hollow, a connecting plate is arranged in the middle of the steel unloading roller, and the output shaft is partially inserted into the interior of the steel unloading roller and connected with the connecting plate to realize torque transmission.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] The outer peripheral wall of the steel unloading roller is provided with a spiral groove, under the driving of the rotary driving mechanism, the spiral groove can generate an acting force for pushing the bar to move away from the rotary driving mechanism, and in combination with the inclined arrangement of the steel unloading roller, the bar is pushed and driven by the double actions of the pushing force and the gravity, so that the steel is quickly unloaded, thereby improving the production efficiency, and avoiding that the threaded steel is not completely unloaded when the brake plate rises, so that the threaded steel is hung on the brake plate, the threaded steel is bent, and the product quality is affected.

[0018] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings constituting a part of the present application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute an improper limitation on the utility model. In the drawings:

[0020] Figure 1 is a structural schematic view of the utility model embodiment;

[0021] Figure 2 is an enlarged view of A of Figure 1

[0022] Figure 3 ​is the installation schematic view of partial structure of the utility model;

[0023] Figure 4 is Figure 3 the exploded state structure schematic view of

[0024] Figure 5 is the structure schematic view of another embodiment of the utility model.

[0025] Legend:

[0026] Frame 100, bearing seat 110, deep groove ball bearing 111;

[0027] Rotary drive mechanism 200, output shaft 210, connecting key 211;

[0028] Unloading steel roller 300, roller core 310, positioning ring 311, center hole 312, connecting end wall 313, embedded groove 314, wear-resistant sleeve 320, helical groove 321, connecting protrusion 322;

[0029] Connecting disc 400, connecting shaft 410, threaded shaft 411, collar 412, thrust ball bearing 413, plug-in hole 414. DETAILED DESCRIPTION

[0030] It should be understood that the specific embodiments described herein are merely exemplary and not intended to limit the present utility model.

[0031] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0034] Please refer to Figure 1 and Figure 2 The utility model provides a kind of bar line rolling and steel unloading mechanism in one preferred embodiment, including rack 100, rotary drive mechanism 200 and steel unloading roller 300.

[0035] Rotary drive mechanism 200 has rotatable output shaft 210;Rotary drive mechanism 200 can be rotary motor.

[0036] Steel unloading roller 300 is coaxially connected with output shaft 210, and the central axis of steel unloading roller 300 extends downwardly in the direction away from rotary drive mechanism 200;Spiral groove 321 is arranged on the outer peripheral wall of steel unloading roller 300, so that when steel unloading roller 300 rotates with output shaft 210, spiral groove 321 has the force to push the bar on steel unloading roller 300 in the direction away from rotary drive mechanism 200.The direction of rotation of spiral groove 321 and the direction of rotation of output shaft 210 need to be adapted to realize the force in the direction away from rotary drive mechanism 200, such as right-handed spiral groove 321, the direction of rotation of output shaft 210 is clockwise in the perspective view from steel unloading roller 300 to rotary drive mechanism 200.Usually, a plurality of rotary drive mechanisms 200 and steel unloading rollers 300 arranged are arranged on a steel unloading machine, and the arrangement direction is perpendicular to the axis direction of steel unloading roller 300 and horizontal, so that the bar entering is moved along the arrangement direction by the rotation of steel unloading roller 300 to introduce the bar, after the bar is introduced, the brake plate is in high position, and the bar is blocked, so that the bar cannot slide out of steel unloading roller 300, then the brake plate is lowered to low position, so that the bar falls off from the end of steel unloading roller 300 to subsequent position, then the brake plate rises to high position, and the above-mentioned action is repeated to realize the continuous introduction and output of the bar.

[0037] The utility model provides a kind of bar line rolling steel unloading mechanism in one preferred embodiment, and the outer peripheral wall of steel unloading roller 300 is equipped with helical groove 321, helical groove 321 can improve friction, and since helical groove 321 is helical extension, when rotating, it can drive the object on it an axial thrust, and since the outer periphery of screw steel bar is protruding, it will be partially embedded in helical groove 321, so that the thrust of helical groove 321 is more obvious.Under the driving of rotary drive mechanism 200, helical groove 321 can generate an acting force that pushes bar towards the direction away from rotary drive mechanism 200, and in combination with the inclined setting of steel unloading roller 300, so that bar realizes fast steel unloading under the double action of pushing force and its own gravity, so as to improve production efficiency, and also avoid that screw steel is not completely unloaded when brake plate rises, so that screw steel is caught by brake plate, screw steel is bent, and product quality is affected.

[0038] With reference to Figure 2 And Figure 4 In some embodiments of the utility model, steel unloading roller 300 includes roller core 310 and wear-resistant sleeve 320, wear-resistant sleeve 320 is sleeved on roller core 310 and can rotate synchronously with roller core 310, helical groove 321 is formed on the outer peripheral wall of wear-resistant sleeve 320, wear-resistant sleeve 320 can be made of wear-resistant material to improve its service life, and roller core 310 can not be made of wear-resistant material to reduce cost; the replaceability of wear-resistant sleeve 320 also prolongs the service life of steel unloading roller 300 and reduces maintenance cost.

[0039] Of course, in other embodiments, as shown in Figure 5 The steel unloading roller 300 can be a one-piece structure connected directly to the output shaft 210.Specifically, the steel unloading roller 300 is hollow inside, and a connecting plate 330 is provided in the middle of the inside of the steel unloading roller 300.The output shaft 210 partially extends into the inside of the steel unloading roller 300 and is connected to the connecting plate 330 to transmit torque.Specifically, the connecting plate 330 has a hole in the center, and the inner wall of the hole has a key groove.The output shaft 210 passes through the hole and is installed with a flat key.The flat key partially embeds in the groove on the peripheral wall of the output shaft 210 and partially embeds in the key groove of the connecting plate 330.The end of the output shaft 210 passes through the hole and is connected to an axial limiting piece 212, which can be a limiting nut.Of course, in other embodiments, the steel unloading roller 300 and the output shaft 210 can also be connected and fixed by fasteners.

[0040] With reference to Figure 2 And Figure 4In a further embodiment of this utility model, the end of the roller core 310 away from the rotary drive mechanism 200 is provided with an outwardly protruding positioning ring 311, and the end of the wear-resistant sleeve 320 away from the rotary drive mechanism 200 abuts against the positioning ring 311, thereby achieving the positioning and limiting of the end wall of the wear-resistant sleeve 320 through the positioning ring 311, so that it will not detach from the roller core 310 and improve the installation stability.

[0041] Reference Figure 2 and Figure 4 In a further embodiment of this utility model, a connecting plate 400 is also included. The connecting plate 400 is connected to the output shaft 210 and fixed to the roller core 310. The connecting plate 400 is in contact with the end face of the wear-resistant sleeve 320 near the rotary drive mechanism 200, thereby positioning and limiting the end of the wear-resistant sleeve 320 away from the positioning ring 311 through the connecting plate 400. With the cooperation of the positioning ring 311, the axial fixation of the wear-resistant sleeve 320 is realized. The axial fixation is not directly achieved by fasteners, which facilitates subsequent disassembly and maintenance.

[0042] Reference Figure 2 and Figure 4 In a further embodiment of this utility model, the connecting disc 400 has a connecting shaft 410 extending away from the unloading roller 300 at its center. The connecting shaft 410 is connected to the output shaft 210 to achieve torque transmission. The frame 100 is provided with a bearing seat 110. The connecting shaft 410 passes through the bearing seat 110 and a deep groove ball bearing 111 is installed between the connecting shaft 410 and the bearing seat 110, thereby reducing the rotational resistance of the connecting shaft 410. In addition, the bearing seat 110 can also support the connecting shaft 410, reducing the weight and load of the unloading roller 300 transmitted to the rotary drive mechanism 200, and improving the working stability and service life of the rotary drive mechanism 200. It can be understood that the connecting shaft 410 is a stepped shaft with a shoulder for one side of the deep groove ball bearing 111 to abut against, and the through hole on the bearing seat 110 is also a stepped hole, with its stepped surface for the other side of the deep groove ball bearing 111 to abut against, thereby achieving axial positioning of the deep groove ball bearing 111.

[0043] Reference Figure 2 and Figure 4 In a further embodiment of this utility model, the end of the connecting shaft 410 away from the connecting disc 400 is provided with a threaded shaft 411, and a collar 412 is threadedly connected to the threaded shaft 411. A thrust ball bearing 413 is installed between the collar 412 and the bearing housing 110. The axial force of the unloading roller 300 is ultimately transmitted to the frame 100 through the collar 412, the thrust ball bearing 413, and the bearing housing 110, thereby reducing the force transmitted to the rotary drive mechanism 200 and improving the working stability and service life of the rotary drive mechanism 200. The thrust ball bearing 413 can reduce the resistance and wear between components.

[0044] Reference Figure 2 ,Figure 3 and Figure 4 In a further embodiment of this utility model, the end face of the connecting shaft 410 away from the connecting disc 400 is provided with a insertion hole 414. The output shaft 210 is inserted into the insertion hole 414 to achieve torque transmission, thereby achieving torque transmission through insertion without relying on fasteners. Specifically, as shown... Figure 2 As shown, the peripheral wall of the insertion hole 414 is provided with a keyway, and a connecting key 211 is installed on the output shaft 210. The connecting key 211 is partially embedded in the keyway, thereby realizing torque transmission. Of course, in some other embodiments, the cross-section of the output shaft 210 and the insertion hole 414 can be a regular polygon to realize torque transmission, or the output shaft 210 and the connecting shaft 410 can be connected by fasteners or couplings to realize torque transmission.

[0045] Reference Figure 2 and Figure 4 In a further embodiment of this utility model, two collars 412 are provided and abut each other. The two collars 412 are threadedly connected and abut each other, which can achieve pre-tightening and improve stability.

[0046] Reference Figure 2 , Figure 3 and Figure 4 In a further embodiment of the present invention, the roller core 310 is provided with a central hole 312, and a connecting end wall 313 is provided at one end of the central hole 312 facing the connecting disk 400. The connecting end wall 313 and the connecting disk 400 are provided with corresponding holes for connection and fixation by fasteners, thereby realizing the connection and fixation between the connecting disk 400 and the roller core 310, and the central hole 312 can realize the weight reduction of the component.

[0047] Reference Figure 4 In a further embodiment of this utility model, the inner wall of the wear-resistant sleeve 320 is provided with a connecting protrusion 322, and the outer peripheral wall of the roller core 310 is provided with a groove 314 for the connecting protrusion 322 to be inserted. Thus, by inserting the connecting protrusion 322 into the groove 314, the wear-resistant sleeve 320 and the roller core 310 can be rotated synchronously and the torque can be transmitted, and it is convenient to disassemble and replace.

[0048] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A bar thread rolling and unloading mechanism, characterized by, The utility model relates to a kind of steel unloading roller and its rotating drive mechanism, including: Frame (100); Rotary drive mechanism (200) with rotatable output shaft (210); Unloading roller (300) is coaxially connected with output shaft (210), the central axis of the unloading roller (300) extends obliquely downward in the direction away from rotary drive mechanism (200);The outer peripheral wall of the unloading roller (300) is provided with spiral groove (321), so that the unloading roller (300) rotates with output shaft (210), the spiral groove (321) has the action force of pushing the bar on the unloading roller (300) in the direction away from rotary drive mechanism (200) movement.

2. The rod thread rolling and steel unloading mechanism according to claim 1, characterized in that, The unloading roller (300) includes roller core (310) and wear-resistant sleeve (320), the wear-resistant sleeve (320) is sleeved on the roller core (310) and can rotate synchronously with the roller core (310), and the spiral groove (321) is formed on the outer peripheral wall of the wear-resistant sleeve (320).

3. The rod thread rolling and steel unloading mechanism according to claim 2, characterized in that, The end of the roller core (310) away from the rotary drive mechanism (200) is provided with an outwardly protruding positioning ring (311), and the end of the wear-resistant sleeve (320) away from the rotary drive mechanism (200) abuts against the positioning ring (311).

4. The rod thread rolling and steel unloading mechanism according to claim 3, characterized in that, It also includes a connecting disc (400), which is connected with the output shaft (210), the connecting disc (400) is connected and fixed with the roller core (310), and the end surface of the connecting disc (400) close to the rotary drive mechanism (200) is attached.

5. The rod thread rolling and steel unloading mechanism according to claim 4, characterized in that, The connecting disc (400) is provided with a connecting shaft (410) extending away from the unloading roller (300) in the center, the connecting shaft (410) is connected with the output shaft (210), the frame (100) is provided with a bearing seat (110), the connecting shaft (410) passes through the bearing seat (110) and is provided with a deep groove ball bearing (111) between the bearing seat (110).

6. The rod thread rolling and steel unloading mechanism according to claim 5, characterized in that, The end of the connecting shaft (410) away from the connecting disc (400) is provided with a threaded shaft (411), the threaded shaft (411) is threadedly connected with a sleeve ring (412), and the sleeve ring (412) is provided with a thrust ball bearing (413) between the bearing seat (110).

7. The rod thread rolling and steel unloading mechanism according to claim 6, characterized in that, The end surface of the connecting shaft (410) away from the connecting disc (400) is provided with a plug-in hole (414), and the output shaft (210) is inserted into the plug-in hole (414) to realize torque transmission.

8. The rod thread rolling and steel unloading mechanism according to claim 3, characterized in that, The roller core (310) is provided with a central hole (312), and the end of the central hole (312) towards the connecting disc (400) is provided with a connecting end wall (313), and the connecting end wall (313) and the connecting disc (400) are provided with corresponding hole positions to be connected and fixed by fasteners.

9. The rod thread rolling and steel unloading mechanism according to claim 2, characterized in that, The inner wall of the wear-resistant sleeve (320) is provided with a connecting protrusion (322), and the outer peripheral wall of the roller core (310) is provided with an embedding groove (314) for embedding the connecting protrusion (322).

10. The rod thread rolling and steel unloading mechanism according to claim 1, characterized in that, The unloading roller (300) is internally hollow, and the unloading roller (300) is internally provided with a connecting plate (330), and the output shaft (210) partially extends into the inside of the unloading roller (300) and is connected with the connecting plate (330) to realize torque transmission.

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