Quick chamfering device for PC steel bar production

Abstract

The application relates to the technical field of PC steel rod processing equipment, in particular to a rapid chamfering device for PC steel rod production. When the application is used, automatic material pushing and supporting clamping can be combined to realize automatic feeding of PC steel rods to a chamfering station and limiting, and after chamfering, the clamping mechanism and the supporting mechanism can be moved away respectively to realize automatic falling of the PC steel rods through a falling hole after chamfering, realize automatic feeding of the PC steel rods after chamfering, make the feeding and discharging process of the PC steel rods more continuous, and manual holding is not needed, so that the manual labor intensity is greatly reduced; through cooperation design of a synchronous adjusting mechanism and a chamfering mechanism, the device can chamfer and polish two ends of the PC steel rod at the same time when the device is used, the cumbersome operation of turning and adjusting the PC steel rod when polishing the two ends is avoided, and the chamfering efficiency of the PC steel rod is higher.

Description

Technical Field

[0001] This application relates to the field of PC steel bar processing equipment technology, and in particular to a rapid chamfering device for PC steel bar production. Background Technology

[0002] PC steel bars, also known as prestressed concrete steel bars, are a type of high-tech prestressed steel with excellent properties such as high strength, corrosion resistance, and low relaxation. They are widely used in construction, bridges, power, transportation and other fields. During the processing of PC steel bars, the burrs at both ends need to be chamfered to remove them to prevent the PC steel bars from causing injury to workers during subsequent use.

[0003] Currently, chamfering of PC steel bars is mainly achieved using a chamfering machine. During chamfering, the single PC bar to be chamfered is first placed on the chamfering mechanism of the chamfering machine, and then the end of the PC bar is brought into contact with the chamfering grinding disc on the chamfering machine. As the chamfering grinding disc rotates, the burrs at the end of the PC steel bar are removed.

[0004] While existing chamfering machines can chamfer PC steel bars, the loading and unloading of these bars are done manually, resulting in high labor intensity. Furthermore, existing chamfering machines can only chamfer and grind one end of the PC steel bar at a time, and the burrs on the other end require the PC steel bar to be flipped over before grinding, making the chamfering process at both ends of the PC steel bar cumbersome and inefficient. Summary of the Invention

[0005] To address the shortcomings of existing technologies, the purpose of this application is to provide a rapid chamfering device for PC steel bar production that can both automatically load and unload PC steel bars during the chamfering and grinding process and simultaneously chamfer and grind both ends of the PC steel bars.

[0006] The above-mentioned objective of this application is achieved through the following technical solution:

[0007] A rapid chamfering device for PC steel bar production includes a support platform with a material drop hole at the top center. A hopper is positioned on the support platform directly above the material drop hole. A support plate is welded to the lower part of each side wall of the hopper and the support platform. A transmission box is installed on the lower part of one side wall of the hopper. A feeding mechanism is installed between the hopper and the transmission box. The feeding mechanism includes a feeding groove, a feeding roller, a second gear, a first motor, and a second gear. There are two support plates, and two clamping mechanisms are symmetrically installed on the two support plates below the feeding mechanism. Each clamping mechanism includes an electric telescopic rod and a clamping plate. A support mechanism is installed on the two support plates below the clamping mechanisms. The support mechanism includes a support, a connecting rod, and a second electric telescopic rod. A synchronous adjustment mechanism is also installed on the support platform on the side of the material drop hole. The synchronous adjustment mechanism includes a sliding groove, a linkage plate, a third motor, a sliding groove, and a bidirectional lead screw. There are two linkage plates, and a chamfering mechanism is installed on each of the two linkage plates. Each chamfering mechanism includes a chamfering disc and a second motor.

[0008] Optionally, there are two feeding rollers, which are rotatably mounted on both sides of the bottom end of the hopper, and each feeding roller has a feeding groove on its outer wall.

[0009] Optionally, each of the feeding rollers is connected to a second gear at its power output end. There are two second gears, and a first gear is installed between the two second gears.

[0010] Optionally, the first gear is connected to the power output shaft of the first motor, and the first motor is mounted outside the transmission box, directly opposite the gear.

[0011] Optionally, the fixing part of the electric telescopic rod is bolted to the support plate, and the telescopic part of the electric telescopic rod is bolted to the clamp plate.

[0012] Optionally, the clamping wall of the clamping plate has an arc-shaped structure in the middle, and the height of the clamping part on the clamping plate is consistent with the height of the part on the support used to clamp the PC steel bar.

[0013] Optionally, the telescopic part of the electric telescopic rod is bolted to the connecting rod, and a support is installed at each end of the connecting rod. The upper side of the support has a downward tilting mechanism, and the lower side of the support has a guide groove structure.

[0014] Optionally, the slide groove is formed on the support platform, the bidirectional lead screw is rotated and mounted in the slide groove, the bidirectional lead screw passes through the two linkage plates and is threadedly connected to the linkage plates, and the motor is installed on one side wall of the support platform directly opposite the bidirectional lead screw.

[0015] Optionally, the second motor is bolted to the upper part of one side wall of the linkage plate, and the chamfering disc is connected to the power output end of the second motor, with the chamfering disc facing the end of the PC steel rod to be polished.

[0016] In summary, this application includes at least one of the following beneficial technical effects:

[0017] This utility model, through the coordinated design of a hopper, feeding mechanism, support mechanism, clamping mechanism, and discharge hole, enables the device to automatically feed and limit PC steel bars to the chamfering station by combining automatic feeding with support and clamping. After chamfering, the clamping mechanism and support mechanism can be removed to allow the chamfered PC steel bars to automatically fall through the discharge hole, thus achieving automatic unloading of the chamfered PC steel bars. This makes the loading and unloading process of PC steel bars more continuous and eliminates the need for manual handling, greatly reducing the intensity of manual labor.

[0018] This invention, through the coordinated design of the synchronous adjustment mechanism and the chamfering mechanism, enables the device to simultaneously chamfer and grind both ends of the PC steel rod during use, avoiding the cumbersome operation of flipping and adjusting the PC steel rod when grinding both ends, thus making the chamfering efficiency of the PC steel rod higher. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure provided in the embodiments of this application;

[0020] Figure 2 This is a left sectional view provided in an embodiment of this application;

[0021] Figure 3 This is a top sectional view of the feeding mechanism and transmission box provided in the embodiments of this application;

[0022] Figure 4 This is a schematic diagram of the linkage plate and chamfering mechanism provided in the embodiments of this application.

[0023] Explanation of reference numerals in the attached drawings: 1. Clamping mechanism; 11. Electric telescopic rod one; 12. Clamping plate; 2. Hopper; 3. Transmission box; 4. Chamfering mechanism; 41. Chamfering disc; 42. Motor two; 5. Support platform; 6. Drop hole; 7. Synchronous adjustment mechanism; 71. Linkage plate; 72. Motor three; 73. Slide groove; 74. Bidirectional lead screw; 8. Support mechanism; 81. Support; 82. Connecting rod; 83. Electric telescopic rod two; 9. Support plate; 10. Feeding mechanism; 101. Feeding groove; 102. Feeding roller; 103. Gear two; 104. Motor one; 105. Gear one. Detailed Implementation

[0024] The present application will be further described in detail below with reference to the accompanying drawings.

[0025] To better understand the technical solutions shown in the embodiments of this application, the principle of existing PC steel bar chamfering will be introduced first.

[0026] Currently, chamfering of PC steel bars is mainly achieved using a chamfering machine. During chamfering, the single PC bar to be chamfered is first placed on the chamfering mechanism of the chamfering machine, and then the end of the PC bar is brought into contact with the chamfering grinding disc on the chamfering machine. As the chamfering grinding disc rotates, the burrs at the end of the PC steel bar are removed.

[0027] Please see Figures 1-4 This application discloses a rapid chamfering device for PC steel bar production, comprising a support platform 5, a material discharge hole 6 at the top center of the support platform 5, a hopper 2 positioned directly above the material discharge hole 6 on the support platform 5, a support plate 9 welded between the lower part of each side wall of the hopper 2 and the support platform 5, a transmission box 3 installed on the lower part of one side wall of the hopper 2, and a feeding mechanism 10 jointly installed between the hopper 2 and the transmission box 3. The feeding mechanism 10 includes a feeding groove 101, a feeding roller 102, a second gear 103, a first motor 104, and a first gear 105. There are two support plates 9, located below the feeding mechanism 10. Two clamping mechanisms 1 are symmetrically installed on both sides. Each clamping mechanism 1 includes an electric telescopic rod 11 and a clamping plate 12. Supporting mechanisms 8 are installed on the two support plates 9 below the clamping mechanisms 1. Supporting mechanisms 8 include a support 81, a connecting rod 82, and an electric telescopic rod 83. A synchronous adjustment mechanism 7 is also installed on the support platform 5 on one side of the discharge hole 6. The synchronous adjustment mechanism 7 includes a slide 73, a linkage plate 71, a motor 72, and a two-way lead screw 74. There are two linkage plates 71. Each linkage plate 71 is equipped with a chamfering mechanism 4. The chamfering mechanism 4 includes a chamfering disc 41 and a motor 42.

[0028] Specifically, when grinding and chamfering the PC steel bars, the PC steel bars to be processed are first placed in the hopper 2. Then, under the action of motor 104, gear 105 rotates. After gear 105 rotates, under the action of gear 2 103, the two feeding rollers 102 at the discharge port of hopper 2 rotate. After the feeding rollers 102 rotate, they will push the PC steel bars out one by one from the bottom of hopper 2 through the feeding groove 101. The pushed-out PC steel bars will fall between the two supports 81 in the two support mechanisms 8. At this time, under the action of electric telescopic rod 11, the clamping plate 12 is pushed down. The PC steel rod is brought close together to achieve clamping and limiting of the PC steel rod. After clamping, the bidirectional lead screw 74 is rotated under the action of motor 3 72 so that the two linkage plates 71 are brought close to each other under the action of thread transmission. When the linkage plates 71 are brought close to each other, the corresponding chamfering plate 41 will abut against the two ends of the PC steel rod. At this time, it is only necessary to start motor 2 42 to drive the chamfering plate 41 to rotate, and the ends of the PC steel rod can be polished with the help of the chamfering plate 41. After polishing, it is only necessary to remove the clamping plate 12 and the support 81 respectively, so that the PC steel rod can fall into the external collection container through the discharge hole 6.

[0029] Please see Figures 1-3 There are two feeding rollers 102, which are rotatably installed on both sides of the bottom end of the hopper 2. Each feeding roller 102 has a feeding groove 101 on its outer wall.

[0030] In one embodiment, the groove 101 of the feeding roller 102 is an arc-shaped groove structure that matches the shape of the PC steel bar. During feeding, each of the two feeding rollers 102 has a groove 101 that contacts the outside of the PC steel bar, thereby ensuring that the PC steel bars fall one by one.

[0031] Please see Figure 3 Each feed roller 102 has a gear 2 103 connected to its power output end. There are two gears 2 103, and a gear 1 105 is installed between the two gears 2 103.

[0032] In one implementation, gear 2 103 is mainly used to transmit the power transmitted by gear 1 105 to the feeding roller 102, so as to realize the synchronous rotation of feeding roller 102 with gear 2 103.

[0033] Please see Figure 1 and Figure 3 Gear 105 is connected to the power output shaft of motor 104, and motor 104 is installed outside transmission box 3 directly opposite gear 105.

[0034] In one implementation, motor 104 is mainly used to provide power for the rotation of gear 105 to ensure the convenient rotation of gear 105.

[0035] Please see Figures 1-2The fixed part of the electric telescopic pole 11 is bolted to the support plate 9, and the telescopic part of the electric telescopic pole 11 is bolted to the clamp plate 12.

[0036] As one implementation method, the electric telescopic rod 11 is mainly used to control the extension and retraction of the clamping plate 12, so as to clamp and release the PC steel rod after it falls according to the actual processing needs.

[0037] Please see Figures 1-2 The clamping wall of the clamping plate 12 has an arc-shaped structure in the middle, and the height of the clamping part on the clamping plate 12 is the same as the height of the part on the support 81 used to clamp the PC steel bar.

[0038] As one implementation, the height of the clamping part on the clamping plate 12 is made to match the height of the part on the support 81 used to clamp the PC steel bar, so that the clamping plate 12 can stably clamp the PC steel bar after it is lowered.

[0039] Please see Figures 1-2 The telescopic part of the electric telescopic pole 83 is bolted to the connecting rod 82. A support 81 is installed at each end of the connecting rod 82. The upper side of the support 81 is a downward tilting mechanism, and the lower side of the support 81 is a guide groove structure.

[0040] As one implementation method, when supporting the fallen PC steel bar, it is necessary to close the two supports 81 on the same side. Only after the two supports 81 on the same side are closed can the guide groove formed between them provide stable support for the PC steel bar.

[0041] Please see Figures 1-2 The slide groove 73 is opened on the support platform 5. The bidirectional lead screw 74 is rotatably mounted in the slide groove 73. The bidirectional lead screw 74 passes through two linkage plates 71 and is threadedly connected to the linkage plates 71. The motor 3 72 is installed on one side wall of the support platform 5, directly opposite the bidirectional lead screw 74.

[0042] As one implementation method, motor 72 is mainly used to provide power for the rotation of the bidirectional lead screw 74. After the bidirectional lead screw 74 rotates, it can cause the two linkage plates 71 to move closer to each other synchronously under the action of thread transmission. While the linkage plates 71 are moving closer to each other, the chamfered plate 41 will move closer to the end of the PC steel bar.

[0043] Please see Figure 1 , Figure 2 and Figure 4 Motor 2 42 is bolted to the upper part of one side wall of linkage plate 71. Chamfering plate 41 is connected to the power output end of motor 2 42 and is facing the end of PC steel rod to be polished.

[0044] In one implementation, the chamfering disc 41 has a conical groove structure on its sidewall facing the PC steel rod. After the chamfering disc 41 is rotated and comes into contact with the end of the PC steel rod, the chamfering and grinding of both ends of the PC steel rod can be achieved, thereby removing the burrs at both ends of the PC steel rod.

[0045] The specific working principle is as follows: When grinding and chamfering PC steel bars, the PC steel bars to be processed are first placed in hopper 2. Then, under the action of motor 104, gear 105 rotates. After gear 105 rotates, under the action of gear 2 103, the two feeding rollers 102 at the discharge port of hopper 2 rotate. After the feeding rollers 102 rotate, they will push the PC steel bars out one by one from the bottom of hopper 2 through the feeding groove 101. The pushed PC steel bars will fall between the two supports 81 in the two support mechanisms 8. At this time, under the action of electric telescopic rod 11, the clamping plate 12 moves closer to the falling PC steel bars to achieve clamping and limiting of the PC steel bars. After clamping, under the action of motor 3 72, the bidirectional lead screw 74 rotates so that the two linkage plates 71 move closer to each other under the action of threaded transmission. As the moving plates 71 approach each other, they will press the corresponding chamfering discs 41 against both ends of the PC steel rod. At this time, simply start the motor 42 to drive the chamfering discs 41 to rotate, and the ends of the PC steel rod can be ground with the help of the chamfering discs 41. After grinding, simply remove the clamping plate 12 and the support 81 respectively, and the PC steel rod can fall into the external collection container through the discharge hole 6. In this processing method, the loading and unloading of PC steel rods are carried out automatically without manual handling, which greatly reduces the intensity of manual labor and makes the loading and unloading of PC steel rods more continuous and efficient. At the same time, since the chamfering and grinding of both ends of the PC steel rod are carried out simultaneously, the tedious operation of flipping and adjusting the PC steel rod during double-end grinding is avoided, thus making the chamfering efficiency of the PC steel rod higher.

[0046] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A rapid chamfering device for PC steel bar production, characterized in that: The system includes a support platform (5), with a material drop hole (6) at the top center of the support platform (5). A hopper (2) is positioned on the support platform (5) directly above the material drop hole (6). A support plate (9) is welded between the lower part of the two side walls of the hopper (2) and the support platform (5). A transmission box (3) is installed on the lower part of one side wall of the hopper (2). A feeding mechanism (10) is installed between the hopper (2) and the transmission box (3). The feeding mechanism (10) includes a feeding groove (101), a feeding roller (102), a second gear (103), a first motor (104), and a first gear (105). There are two support plates (9), and two clamping mechanisms (1) are symmetrically installed on the two support plates (9) below the feeding mechanism (10). The clamping mechanism (1) includes an electric telescopic rod (11) and a clamping plate (12). Supporting mechanisms (8) are installed on the two support plates (9) below the clamping mechanism (1). The supporting mechanism (8) includes a support (81), a connecting rod (82) and an electric telescopic rod (83). A synchronous adjustment mechanism (7) is also installed on the support platform (5) on one side of the discharge hole (6). The synchronous adjustment mechanism (7) includes a slide (73), a linkage plate (71), a motor (72), a slide (73) and a two-way lead screw (74). There are two linkage plates (71). A chamfering mechanism (4) is installed on each of the two linkage plates (71). The chamfering mechanism (4) includes a chamfering disc (41) and a motor (42).

2. The rapid chamfering device for PC steel bar production according to claim 1, characterized in that: There are two feeding rollers (102), which are rotatably installed on both sides of the bottom end of the hopper (2). Each feeding roller (102) has a feeding groove (101) on its outer wall.

3. The rapid chamfering device for PC steel bar production according to claim 2, characterized in that: Each of the feed rollers (102) is connected to a gear two (103) at its power output end. There are two gear two (103), and a gear one (105) is installed between the two gear two (103).

4. The rapid chamfering device for PC steel bar production according to claim 3, characterized in that: The gear one (105) is connected to the power output shaft of the motor one (104), and the motor one (104) is installed outside the transmission box (3) directly opposite the gear one (105).

5. A rapid chamfering device for PC steel bar production according to claim 1, characterized in that: The fixed part of the electric telescopic rod (11) is bolted to the support plate (9), and the telescopic part of the electric telescopic rod (11) is bolted to the clamp plate (12).

6. A rapid chamfering device for PC steel bar production according to claim 5, characterized in that: The clamping wall of the clamping plate (12) has an arc-shaped structure in the middle, and the height of the clamping part on the clamping plate (12) is consistent with the height of the part on the support (81) used to clamp the PC steel rod.

7. A rapid chamfering device for PC steel bar production according to claim 1, characterized in that: The telescopic part of the electric telescopic rod (83) is bolted to the connecting rod (82). A support (81) is installed at each end of the connecting rod (82). The upper side of the support (81) is a downward tilting mechanism, and the lower side of the support (81) is a guide groove structure.

8. A rapid chamfering device for PC steel bar production according to claim 1, characterized in that: The slide groove (73) is opened on the support platform (5), the bidirectional lead screw (74) is rotatably mounted in the slide groove (73), the bidirectional lead screw (74) passes through the two linkage plates (71) and is threadedly connected to the linkage plates (71), and the motor three (72) is installed on one side wall of the support platform (5) directly opposite the bidirectional lead screw (74).

9. A rapid chamfering device for PC steel bar production according to claim 7, characterized in that: The second motor (42) is bolted to the upper part of one side wall of the linkage plate (71), and the chamfering plate (41) is connected to the power output end of the second motor (42). The chamfering plate (41) is facing the end of the PC steel rod to be polished.

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