Rail plate reinforcing bar threading machine

Abstract

The utility model discloses a track board reinforcing bar threading machine, aims at solving the problem of the large floor space of the existing reinforcing bar cutting, chamfering, threading integrated automation device. The utility model through feeding mechanism will be the reinforcing bar delivery to the conveying mechanism, and the conveying mechanism will be the reinforcing bar delivery to the suitable position, at this time through the clamping mechanism clamps the reinforcing bar fixed, and then through the lifting mechanism no.

Description

Technical Field

[0001] This utility model relates to the field of steel bar processing, and more specifically, it relates to a steel bar threading machine for track slabs. Background Technology

[0002] Track slab reinforcement refers to the steel reinforcement skeleton material used in ballastless track slabs of high-speed railways (such as CRTS I, II, and III type track slabs), and it is the core load-bearing component in the track slab structure. During the processing of track slab reinforcement, to facilitate subsequent construction, some of the reinforcement bars are threaded. To ensure the quality of the threading, the end of the reinforcement bar to be threaded is often cut off before threading. In some processes, the cut end of the reinforcement bar is also chamfered to facilitate subsequent threading and to make the subsequent connection between the reinforcement bar and the sleeve thread smoother.

[0003] Currently, there are complete automated production lines for cutting, chamfering, and threading rebar. However, on these integrated automated production lines, the cutting, chamfering, and threading of rebar are often carried out separately at multiple workstations. These workstations require automated transmission mechanisms to transfer the rebar between them. Furthermore, the rebars used on the track plates are mostly quite long. This results in these integrated automated production lines occupying a very large area, placing high demands on the company's site. The equipment is also large, with relatively high manufacturing and selling costs, as well as increased installation and maintenance costs. This, in turn, increases the company's production costs to some extent.

[0004] Based on the above, the purpose of this utility model is to provide a rebar threading machine for track slabs, so as to solve the problem that existing water-based coating fluidity testing devices are cumbersome to repeatedly test samples. Utility Model Content

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a rebar threading machine for track slabs. This utility model uses a feeding mechanism to transport rebars to a conveying mechanism, which then transports the rebars to a suitable position. At this point, a clamping mechanism clamps and fixes the rebars. A lifting mechanism drives a cutting mechanism to descend and cut the ends of the rebars. After cutting, a lifting mechanism drives a grinding mechanism to rise and grind the ends of the rebars. During grinding, a driving mechanism drives the rebars to rotate, thereby completing the chamfering and grinding of the rebar ends. After chamfering, a driving mechanism drives a threading mechanism to approach the rebars, and then the threading mechanism performs threading on the rebars. After threading is completed, a conveying mechanism drives the rebars to move away from the threading mechanism for unloading.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a track slab rebar threading machine, comprising a feeding mechanism, a conveying mechanism, a cutting mechanism, a grinding mechanism, and a threading mechanism, and further comprising a frame. The conveying mechanism includes a conveyor frame fixedly connected to the frame, and the conveyor frame is provided with a plurality of conveying rollers rotatably connected thereto and a drive mechanism one for driving the conveying rollers to rotate. A clamping mechanism is provided on the side of the frame near the conveyor frame, and the clamping mechanism includes a mounting frame fixedly connected to the frame. The mounting frame is provided with a mounting platform rotatably connected thereto and a drive mechanism two for driving the mounting platform to rotate. The mounting platform is equipped with two slidably connected clamping plates and a drive mechanism three that drives the clamping plates on both sides to move in opposite directions. A support frame is fixedly connected to the side of the frame closest to the mounting frame. Lifting frames one and two are respectively provided on the upper and lower sides of the support frame. Lifting mechanisms one and two are respectively provided on the support frame to drive lifting frames one and two to lift. The cutting mechanism and the grinding mechanism are respectively installed on lifting frames one and two. A slide table and a drive mechanism four that drive the slide table to move are provided on the side of the frame away from the conveyor frame. The threading mechanism is installed on the slide table.

[0007] By adopting the above technical solution, during the rebar threading operation, the rebar is fed into the conveyor frame by a feeding mechanism, such as a stepped feeder. After entering the conveyor frame, the lower end of the rebar abuts against multiple conveyor rollers. At this time, the drive mechanism drives the conveyor rollers to rotate, thereby driving the rebar to move towards the cutting mechanism until this end of the rebar moves below the cutting mechanism. During this process, the rebar passes through the mounting platform. Then, the drive mechanism drives the two clamping plates to converge inward until the two clamping plates clamp the rebar. At this time, the lifting mechanism drives the cutting mechanism to descend, and the cutting mechanism cuts the end of the rebar. After cutting, the lifting mechanism drives the lifting frame to rise and reset, and then the lifting mechanism drives the lifting frame to rise again. The grinding mechanism will grind the rebar. The end is ground. During this process, the mounting table is rotated by the second drive mechanism, which in turn rotates the steel bar. This causes the grinding mechanism to chamfer the outer ring of this end of the steel bar. After the chamfer is completed, the second drive mechanism lowers and resets. Then, the fourth drive mechanism moves the slide table towards the steel bar, bringing the threading mechanism closer to the steel bar. The threading mechanism then performs threading on the steel bar. After the threading is completed, the fourth drive mechanism moves the threading mechanism backward and resets. Then, the third drive mechanism releases the steel bar from the clamps on both sides. Finally, the first drive mechanism rotates the conveyor roller in the opposite direction, moving the steel bar away from the threading mechanism. Users can set up a ramp and a collection box behind the conveyor frame, or use a conveyor to collect or transport the finished steel bar.

[0008] The present invention is further configured such that: the support frame is also provided with an auxiliary mechanism for assisting in the cutting of steel bars, the auxiliary mechanism includes an electric push rod fixedly connected to both sides of the support frame, an installation plate slidably connected to the extended end of the electric push rod fixedly connected to the support frame, and a discharge hopper and a baffle plate fixedly connected to both sides of the installation plate respectively.

[0009] The present invention is further configured such that clamping plates are fixedly connected to both mounting plates on both sides.

[0010] The present invention is further configured such that V-shaped grooves are provided on both the second clamping plate and the first clamping plate.

[0011] The present invention is further configured such that: the driving mechanism includes a motor fixedly connected to the conveyor frame, and a belt pulley transmission assembly is provided between the output shaft of the motor and the conveyor roller and between two adjacent conveyor rollers.

[0012] The present invention is further configured such that: the second drive mechanism includes a second motor fixedly connected to the mounting bracket, a drive gear is fixedly connected to the output shaft of the second motor, and a gear ring meshing with the drive gear is fixedly connected to the mounting platform.

[0013] The present invention is further configured such that: the driving mechanism three includes a motor three fixedly connected to the mounting platform; a bidirectional lead screw is rotatably connected to the mounting platform; the clamping plates on both sides are respectively threaded to the left-hand threaded section and the right-hand threaded section of the bidirectional lead screw; and a belt pulley transmission assembly two is provided between the output shaft of the motor three and the bidirectional lead screw.

[0014] The present invention is further configured such that: the first lifting mechanism and the second lifting mechanism are respectively electric push rod 2 and electric push rod 3, both of which are fixedly connected to the support frame, and the extended ends of the electric push rod 2 and the electric push rod 3 are respectively fixedly connected to the first lifting frame and the second lifting frame.

[0015] The present invention is further configured such that: the driving mechanism four includes an electric push rod four fixedly connected to the frame, and the extended end of the electric push rod four is fixedly connected to the slide table.

[0016] In summary, this utility model has the following beneficial effects:

[0017] This utility model uses a feeding mechanism to transport steel bars to a conveying mechanism, which then transports the steel bars to a suitable position. At this point, a clamping mechanism clamps and fixes the steel bars. Then, a lifting mechanism drives a cutting mechanism to descend and cut the ends of the steel bars. After cutting, a lifting mechanism drives a grinding mechanism to rise and grind the ends of the steel bars. During the grinding process, a driving mechanism drives the steel bars to rotate, thereby completing the chamfering grinding of the ends of the steel bars. After chamfering, a driving mechanism drives a threading mechanism to approach the steel bars, and then the threading mechanism performs threading on the steel bars. After threading is completed, the conveying mechanism drives the steel bars to move away from the threading mechanism for unloading. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 This demonstrates the overall structure of the case;

[0019] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 This shows the structure of the auxiliary mechanism;

[0020] Figure 3 This is a schematic diagram of the structure of the present invention. Figure 3 This shows the structure of the auxiliary mechanism;

[0021] Figure 4 This is a schematic diagram of the structure of the present invention. Figure 4 This shows a portion of the structure of the clamping mechanism;

[0022] Figure 5 This is a schematic diagram of the structure of the present invention. Figure 5 This shows a portion of the structure of the clamping mechanism;

[0023] Figure 6 This is a schematic diagram of the structure of the present invention. Figure 6 This shows a portion of the structure of the clamping mechanism.

[0024] Figure 7 This is a schematic diagram of the structure of the present invention. Figure 7 This shows a portion of the structure of the conveying mechanism.

[0025] In the diagram: 1. Transmission mechanism; 2. Cutting mechanism; 3. Grinding mechanism; 4. Threading mechanism; 5. Frame; 6. Conveyor frame; 7. Conveyor roller; 8. Clamping mechanism; 9. Mounting frame; 10. Mounting platform; 11. Clamping plate one; 12. Support frame; 13. Lifting frame one; 14. Lifting frame two; 15. Slide table; 16. Electric push rod one; 17. Mounting plate; 18. Clamping plate two; 19. Discharge hopper; 20. Baffle; 21. Motor one; 22. Belt pulley transmission assembly one; 23. Motor two; 24. Drive gear; 25. Gear ring; 26. Motor three; 27. Bidirectional lead screw; 28. Belt pulley transmission assembly two; 29. ​​Electric push rod two; 30. Electric push rod three; 31. Electric push rod four. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0027] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "set up / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] The present invention will now be described in detail with reference to the accompanying drawings.

[0030] A type of track slab rebar threading machine, such as Figures 1-7As shown, the machine includes a feeding mechanism, a conveying mechanism 1, a cutting mechanism 2, a grinding mechanism 3, and a threading mechanism 4. The cutting mechanism is an abrasive wheel cutter, the grinding mechanism is a single-head abrasive wheel grinder using a trapezoidal abrasive wheel, and the threading mechanism is the main body of the rebar threading machine. The track slab rebar threading machine also includes a frame 5. The conveying mechanism 1 includes a conveyor frame 6 fixedly connected to the frame 5. The conveyor frame 6 is equipped with several conveyor rollers 7 rotatably connected to it and a drive mechanism 1 for driving the conveyor rollers 7 to rotate. The upper end of the conveyor frame is V-shaped to facilitate the rebar sliding onto the conveyor rollers. A clamping mechanism 8 is provided on the side of the frame 5 near the conveyor frame 6. The clamping mechanism 8 includes a mounting frame 9 fixedly connected to the frame 5. The mounting frame 9 is provided with a mounting platform 10 rotatably connected to it and a second drive mechanism for driving the mounting platform 10 to rotate. The mounting platform 10 is provided with two clamping plates 11 slidably connected to it and a third drive mechanism for driving the clamping plates 11 to move in opposite directions. A support frame 12 is fixedly connected to the side of the frame 5 near the mounting frame 9. The upper and lower sides of the support frame 12 are respectively provided with lifting frames 13 and 14 slidably connected to it. The support frame 12 is provided with lifting mechanisms 1 and 2 for driving the lifting frames 13 and 14 to lift. The cutting mechanism 2 and the grinding mechanism 3 are respectively installed on the lifting frames 13 and 14. A slide table 15 is provided on the side of the frame 5 away from the conveyor frame 6 and a fourth drive mechanism for driving the slide table 15 to move. The threading machine body is installed on the slide table 15.

[0031] Furthermore, the support frame 12 is also provided with an auxiliary mechanism to assist in cutting the steel bars. The auxiliary mechanism includes two electric push rods 16 that are fixedly connected to both sides of the support frame 12. The extended end of the electric push rod 16 is fixedly connected to the mounting plate 17 that is slidably connected to the support frame 12. The mounting plates 17 on both sides are fixedly connected to the discharge hopper 19 and the baffle 20, respectively.

[0032] Furthermore, clamping plates 18 are fixedly connected to both sides of the mounting plates 17.

[0033] Furthermore, both the second clamping plate 18 and the first clamping plate 11 are provided with V-shaped grooves, and several rollers are rotatably connected in the V-shaped groove of the second clamping plate.

[0034] Furthermore, the drive mechanism includes a motor 21 fixedly connected to the conveyor frame 6, and a belt pulley drive assembly 22 is provided between the output shaft of the motor 21 and the conveyor roller 7 and between two adjacent conveyor rollers 7.

[0035] Furthermore, the second drive mechanism includes a second motor 23 fixedly connected to the mounting bracket 9. A drive gear 24 is fixedly connected to the output shaft of the second motor 23. A reducer can also be added between the second motor and the drive gear. The input end and output end of the reducer are fixedly connected to the output shaft of the motor and the drive gear, respectively. A gear ring 25 that meshes with the drive gear 24 is fixedly connected to the mounting platform 10.

[0036] Furthermore, the drive mechanism three includes a motor three 26 fixedly connected to the mounting platform 10. A bidirectional lead screw 27 is rotatably connected to the mounting platform 10. The two side clamps one 11 are respectively threaded to the left-hand threaded section and the right-hand threaded section of the bidirectional lead screw 27. A belt pulley transmission assembly two 28 is provided between the output shaft of the motor three 26 and the bidirectional lead screw 27. Both belt pulley transmission assembly one and belt pulley transmission assembly two include two pulleys and a transmission belt sleeved between the two pulleys. Belt pulley transmission assemblies are mature existing technologies, and their principles will not be elaborated here.

[0037] Furthermore, lifting mechanism one and lifting mechanism two are electric push rod two 29 and electric push rod three 30, respectively. Both electric push rod two 29 and electric push rod three 30 are fixedly connected to support frame 12, and the extended ends of electric push rod two 29 and electric push rod three 30 are fixedly connected to lifting frame one 13 and lifting frame two 14, respectively.

[0038] Furthermore, the drive mechanism four includes an electric push rod four 31 fixedly connected to the frame 5, and the extended end of the electric push rod four 31 is fixedly connected to the slide table 15.

[0039] Working principle: During the rebar threading operation, the rebar is fed into the conveyor frame 6 by a feeding mechanism, such as a stepped feeder. After entering the conveyor frame 6, the lower end of the rebar abuts against multiple conveyor rollers 7. At this time, the multiple conveyor rollers 7 are driven to rotate by a motor 21 and multiple belt pulley transmission components 28, thereby driving the rebar to move towards the cutting mechanism 2 until this end of the rebar contacts the baffle 20. The baffle 20 will prevent the rebar from moving further. At this time, this end of the rebar is located below the cutting mechanism 2. During this process, the rebar will pass through the mounting platform 1. 0. At this time, start motor 3 26. The output shaft of motor 3 26 will drive the bidirectional lead screw 27 to rotate through the belt pulley transmission assembly 28. The bidirectional lead screw 27 will drive the two side clamping plates 11 to converge inward until the two side clamping plates 11 clamp the steel bar. The V-shaped groove will automatically complete the center alignment after the steel bar is clamped. Then, through the two side electric push rods 16, drive the two side mounting plates 17 to move towards the center, thereby making the two side clamping plates 18 closer to the steel bar, until the rollers in the V-shaped grooves of the two side clamping plates 18 are in contact with the outer wall of the steel bar, which provides a certain support effect for the steel bar.

[0040] Then, the cutting mechanism 2 is driven to descend by the electric push rod 29. The cutting mechanism 2 cuts the end of the steel bar. During the cutting process, the clamping plate 18 provides some support to the steel bar through multiple rollers. As the cutting blade of the cutting mechanism 2 cuts the steel bar and slowly descends, the driving gear 24 is driven to rotate by the motor 23. The driving gear 24 then drives the mounting table 10 to rotate slowly through the gear ring 25, thereby causing the steel bar to rotate slowly until the cutting blade cuts the steel bar. This setting makes the cut end face flatter and prevents the end of the steel bar from being cut into a "horseshoe" shape. Moreover, since the rollers are rotatably connected in the V-groove of the clamping plate 2, the rollers provide some support without hindering the rotation of the steel bar.

[0041] After cutting, the cut steel scrap will fall onto the discharge hopper 19 and slide out from one side, avoiding the scrap from falling and colliding with the grinding wheel of the grinding mechanism 3. Then, the lifting frame 13 is driven to rise and reset by the electric push rod 29. Then, the grinding mechanism 3 is started and the lifting frame 24 is driven to rise by the electric push rod 30. The grinding wheel of the grinding mechanism 3 will grind the end of the steel. During this process, the mounting table 10 is driven to rotate by the drive mechanism 2, which in turn drives the steel to rotate. Furthermore, the grinding mechanism 3 will chamfer the outer ring of this end of the steel. After the chamfer is completed, the lifting frame 214 is driven to fall and reset. Then, the two mounting plates 17 are driven to move away from each other by the electric push rods 16 on both sides until a space sufficient for the threading machine body to pass through is formed between the two mounting plates 17.

[0042] Then, the electric push rod 31 drives the slide table 15 to move towards the rebar, thereby bringing the threading machine body closer to the rebar. The threading machine body then performs threading on the rebar. The threading machine body is a ready-made machine product that can be purchased directly. Threading rebar with the threading machine body is a mature existing technology, which will not be elaborated here. After the threading is completed, the electric push rod 31 drives the threading machine body to retreat and reset. Then, the drive mechanism 3 drives the two side clamps 11 to release the rebar. Then, the drive mechanism 1 drives the conveyor roller 7 to rotate in the opposite direction, thereby driving the rebar to move away from the threading mechanism 4. The user can set up a ramp and a collection box behind the conveyor frame 6, or use a conveyor to collect or transport the threaded rebar, thereby completing the rebar unloading.

[0043] Furthermore, the aforementioned motor, electric actuator, and machining steps can be coordinated and controlled by adding sensors and controllers. For example, a proximity sensor can be installed on mounting bracket 9, and a contact rod that can trigger the proximity sensor can be installed on mounting platform 10. When the contact rod rotates one revolution and is detected by the proximity sensor, the proximity sensor will transmit an electrical signal to the controller, such as a PLC controller. The controller will then control the motor to stop operating through an internal preset program. Coordinating and controlling the motor, electric actuator, and machining steps through sensors, controllers, and preset programs is a mature existing technology and will not be elaborated upon here.

[0044] With this setup, the rebar threading machine for track slabs in this case can automatically complete the cutting, chamfering, and threading of rebars. All three processes are performed at a single station, significantly reducing the overall size of the equipment, minimizing site pressure and production costs for the enterprise. Furthermore, because there is no need to transport rebars between multiple stations, production efficiency is improved to some extent. In contrast to the traditional vertical cutting method, this machine drives the rebar to rotate during cutting, thus performing a "circumferential cut," resulting in a smoother cut surface and improved product quality.

[0045] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A rebar threading machine for track slabs, comprising a feeding mechanism, a conveying mechanism (1), a cutting mechanism (2), a grinding mechanism (3), and a threading mechanism (4), characterized in that: It also includes a frame (5). The transmission mechanism (1) includes a conveyor frame (6) fixedly connected to the frame (5). The conveyor frame (6) is provided with a plurality of conveyor rollers (7) rotatably connected thereto and a drive mechanism one for driving the conveyor rollers (7) to rotate. A clamping mechanism (8) is provided on the side of the frame (5) near the conveyor frame (6). The clamping mechanism (8) includes a mounting frame (9) fixedly connected to the frame (5). The mounting frame (9) is provided with a mounting platform (10) rotatably connected thereto and a drive mechanism two for driving the mounting platform (10) to rotate. The mounting platform (10) is provided with two clamping plates (11) slidably connected thereto and a drive mechanism two for driving the clamping plates (11) on both sides to move in opposite directions. Drive mechanism three, the frame (5) is fixedly connected to a support frame (12) on the side near the mounting frame (9), the support frame (12) is provided with a lifting frame one (13) and a lifting frame two (14) on the upper and lower sides respectively, the support frame (12) is provided with a lifting mechanism one and a lifting mechanism two that drive the lifting frame one (13) and the lifting frame two (14) to lift and lower respectively, the cutting mechanism (2) and the grinding mechanism (3) are respectively installed on the lifting frame one (13) and the lifting frame two (14), the frame (5) is provided with a slide table (15) slidably connected to the side away from the conveyor frame (6) and a drive mechanism four that drives the slide table (15) to move, the threading mechanism (4) is installed on the slide table (15).

2. The track slab rebar threading machine according to claim 1, characterized in that: The support frame (12) is also provided with an auxiliary mechanism to assist in cutting the steel bars. The auxiliary mechanism includes an electric push rod (16) fixedly connected to both sides of the support frame (12). The extended end of the electric push rod (16) is fixedly connected to an mounting plate (17) that is slidably connected to the support frame (12). The mounting plates (17) on both sides are fixedly connected to a discharge hopper (19) and a baffle (20).

3. The track slab rebar threading machine according to claim 2, characterized in that: Clamping plates (18) are fixedly connected to the mounting plates (17) on both sides.

4. The track slab rebar threading machine according to claim 3, characterized in that: Both the second clamping plate (18) and the first clamping plate (11) are provided with V-shaped grooves.

5. The track slab rebar threading machine according to claim 1, characterized in that: The drive mechanism includes a motor (21) fixedly connected to the conveyor frame (6). A belt pulley drive assembly (22) is provided between the output shaft of the motor (21) and the conveyor roller (7) and between two adjacent conveyor rollers (7).

6. The track slab rebar threading machine according to claim 1, characterized in that: The second drive mechanism includes a second motor (23) fixedly connected to the mounting bracket (9). A drive gear (24) is fixedly connected to the output shaft of the second motor (23), and a gear ring (25) that meshes with the drive gear (24) is fixedly connected to the mounting platform (10).

7. The track slab rebar threading machine according to claim 1, characterized in that: The drive mechanism three includes a motor three (26) fixedly connected to the mounting platform (10), a bidirectional lead screw (27) is rotatably connected to the mounting platform (10), and the clamping plates one (11) on both sides are respectively threaded to the left-hand threaded section and the right-hand threaded section of the bidirectional lead screw (27). A belt pulley transmission assembly two (28) is provided between the output shaft of the motor three (26) and the bidirectional lead screw (27).

8. The track slab rebar threading machine according to claim 1, characterized in that: The lifting mechanism one and lifting mechanism two are electric push rod two (29) and electric push rod three (30) respectively. Both electric push rod two (29) and electric push rod three (30) are fixedly connected to the support frame (12). The extended ends of electric push rod two (29) and electric push rod three (30) are fixedly connected to lifting frame one (13) and lifting frame two (14) respectively.

9. A rebar threading machine for track slabs according to claim 1, characterized in that: The drive mechanism four includes an electric push rod four (31) fixedly connected to the frame (5), and the extended end of the electric push rod four (31) is fixedly connected to the slide table (15).

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