A bar straightening device

Abstract

The utility model provides a kind of bar straightening device, belong to bar straightening technical field.This kind of bar straightening device, including work desk, the top of work desk is provided with straightening mechanism, the straightening mechanism includes support frame and straightening roll, the support frame is set in the top of work desk, the support frame is symmetrically provided with two along the axis of work desk, the shape of support frame is set as the shape of the Chinese character, the straightening roll rotation is set in the inside of support frame.The utility model sets up straightening mechanism, user places the bar to be straightened between two support frames, starts first motor, drives first bidirectional screw rod to rotate, so that two support frames move to opposite direction, until the straightening roll on both sides and the bar to be straightened contact, start drive motor, so that several straightening rolls rotate simultaneously, so that bar moves to right, to carry out straightening operation to bar.

Description

Technical Field

[0001] The utility model relates to the technical field of bar straightening, and more specifically, to a bar straightening device. Background Art

[0002] Bar straightening refers to the process of correcting bent, twisted or internally stressed metal bars by mechanical means to meet the specified straightness, roundness or flatness requirements. Straightening is an important process in metal processing and directly affects the accuracy and product quality of subsequent cutting, forging, assembly and other processes.

[0003] In the prior art, when straightening bars, since the distance between the straightening rollers on both sides is not adjustable, the straightening of bars is usually limited to specific specifications. When facing bars of different diameters, different straightening equipment needs to be replaced, resulting in high limitations. Summary of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides a bar straightening device that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is implemented as follows:

[0006] The utility model provides a bar straightening device, including a working table, on the top of which a straightening mechanism is arranged. The straightening mechanism includes:

[0007] Support frames, which are arranged on the top of the working table. There are two support frames symmetrically arranged along the axis of the working table, and the shape of the support frame is in a U shape.

[0008] Straightening rollers, which are rotatably arranged inside the support frames, and a plurality of straightening rollers are linearly arranged along the direction of the support frames.

[0009] In a preferred solution, two ear plates are fixedly arranged at the bottom of the support frame, and a plurality of first mounting seats are fixedly arranged on the top of the working table. A first limiting rod is fixedly arranged between two of the first mounting seats, and one of the ear plates is slidably sleeved on the surface of the first limiting rod.

[0010] In a preferred solution, a first bidirectional screw rod is rotatably arranged between another two first mounting seats, and another ear plate is threadedly sleeved on the surface of the first bidirectional screw rod.

[0011] In a preferred solution, a first motor is fixedly arranged on the top of the working table, and the output end of the first motor is fixedly connected to the first bidirectional screw rod.

[0012] In a preferred embodiment, an auxiliary mechanism is provided on the top of the workbench. The auxiliary mechanism includes a movable block, which is disposed on the top of the workbench. Two movable blocks are symmetrically arranged along the axis of the workbench. A rotating cylinder is rotatably disposed on the top of the movable block. A plurality of telescopic rods are disposed on the surface of the rotating cylinder. An auxiliary block is fixed to the other end of the telescopic rod. A spring is disposed between the telescopic rod and the auxiliary block.

[0013] In a preferred embodiment, two second mounting seats are fixedly provided on the top of the workbench, and a spline shaft is rotatably arranged between the two second mounting seats. A second motor is fixedly provided on the top of the workbench, and the output end of the second motor is fixedly connected to the spline shaft.

[0014] In a preferred embodiment, a rotating rod is rotatably provided inside the movable block, and the rotating rod and the rotating cylinder are coaxially and fixedly connected. A first bevel gear is coaxially fixedly provided on the surface of the rotating rod, and a second bevel gear is rotatably provided inside the movable block. The first bevel gear and the second bevel gear mesh with each other. A spline sleeve is coaxially fixedly provided inside the second bevel gear, and the spline sleeve is slidably provided on the surface of the spline shaft.

[0015] In a preferred embodiment, a plurality of third mounting seats are fixedly provided on the top of the workbench, wherein a second bidirectional lead screw is rotatably arranged between two of the third mounting seats, and two moving blocks are respectively threaded onto the two ends of the second bidirectional lead screw. A second limiting rod is fixedly provided between the other two third mounting seats, and both moving blocks are slidably arranged on the surface of the second limiting rod. A third motor is fixedly provided on the top of the workbench, and the output end of the third motor is fixedly connected to the second bidirectional lead screw.

[0016] The bar straightening device provided by this utility model has the following advantages:

[0017] 1. By setting up a straightening mechanism, the user places the bar to be straightened between two support frames, starts the first motor, drives the first bidirectional lead screw to rotate, and causes the two support frames to move in opposite directions until the straightening rollers on both sides come into contact with the bar to be straightened. Then, the drive motor is started, causing several straightening rollers to rotate simultaneously, causing the bar to move to the right, thereby performing the straightening operation on the bar.

[0018] 2. By setting up an auxiliary mechanism, when the bar is being straightened, the third motor is started to drive the spline shaft to rotate. Through the meshing of the spline shaft teeth and the spline sleeve teeth, the spline sleeve drives the second bevel gear to rotate. Through the meshing of the first bevel gear and the second bevel gear, the first bevel gear drives the rotating rod and the rotating drum to rotate, thereby causing the telescopic rod and the auxiliary block to rotate. When the auxiliary blocks on both sides rotate, they simultaneously contact and rub against the bar, thereby assisting the bar to move to the right and improving processing efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0021] Figure 2 A right-view overall structural schematic diagram is provided for the embodiment of this utility model;

[0022] Figure 3 A schematic diagram of the moving block is provided for the embodiments of this utility model;

[0023] Figure 4 A partial cross-sectional view of the movable block is provided for an embodiment of this utility model.

[0024] In the diagram: 1. Workbench; 201. Support frame; 202. Straightening roller; 203. Ear plate; 204. First mounting base; 205. First limiting rod; 206. First double-acting lead screw; 207. First motor; 301. Moving block; 302. Rotary drum; 303. Telescopic rod; 304. Auxiliary block; 305. Spring; 306. Second mounting base; 307. Splined shaft; 308. Second motor; 309. Rotating rod; 310. First bevel gear; 311. Second bevel gear; 312. Splined sleeve; 313. Third mounting base; 314. Second double-acting lead screw; 315. Second limiting rod; 316. Third motor. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] Reference Figures 1-4, the utility model provides a technical solution: a bar straightening device, which includes a workbench 1. A straightening mechanism is arranged on the top of the workbench 1. The straightening mechanism includes a support frame 201 and straightening rollers 202. The support frame 201 is arranged on the top of the workbench 1. There are two support frames 201 symmetrically arranged along the axis of the workbench 1. The shape of the support frame 201 is set as a U-shaped. The straightening rollers 202 are rotatably arranged inside the support frame 201. A number of straightening rollers 202 are linearly arranged in the direction of the support frame 201. Chain wheels are fixedly arranged on the tops of a number of straightening rollers 202 through connecting rods. A chain belt is sleeved between a number of chain wheels. A driving motor is arranged at the bottom of the support frame 201. The driving motor is fixedly connected with one of the straightening rollers 202. When the driving motor is started, it drives one of the straightening rollers 202 to rotate. Through the cooperation of the chain wheels and the chain belt, a number of straightening rollers 202 rotate simultaneously. Two ear plates 203 are fixedly arranged at the bottom of the support frame 201. A number of first mounting seats 204 are fixedly arranged on the top of the workbench 1 through bolts. A first limiting rod 205 is fixedly arranged between two of the first mounting seats 204. One of the ear plates 203 is slidably sleeved on the surface of the first limiting rod 205. A first double-headed screw rod 206 is rotatably arranged between another two first mounting seats 204. The other ear plate 203 is threadedly sleeved on the surface of the first double-headed screw rod 206. A first motor 207 is fixedly arranged on the top of the workbench 1 through bolts and a mounting plate. The output end of the first motor 207 is fixedly connected with the first double-headed screw rod 206 through a coupling. By setting the straightening mechanism, the user places the bar to be straightened between the two support frames 201, starts the first motor 207, which drives the first double-headed screw rod 206 to rotate. Through the threaded connection between the first double-headed screw rod 206 and the two ear plates 203, and the limiting cooperation between the other two ear plates 203 and the first limiting rod 205, the two support frames 201 move towards each other until the straightening rollers 202 on both sides contact the bar to be straightened. Then start the driving motor to make a number of straightening rollers 202 rotate simultaneously, making the bar move to the right, so as to straighten the bar;

[0027] Refer to Figures 1-4The top of the workbench 1 is equipped with an auxiliary mechanism, which includes a moving block 301. Two moving blocks 301 are symmetrically arranged along the axis of the workbench 1. A rotating cylinder 302 is rotatably mounted on the top of the moving block 301. Several telescopic rods 303 are mounted on the surface of the rotating cylinder 302. An auxiliary block 304 is fixed to the other end of each telescopic rod 303. A spring 305 is installed between the telescopic rod 303 and the auxiliary block 304. Two second mounting seats 306 are fixed to the top of the workbench 1 by bolts. A splined shaft 307 is rotatably mounted between the two second mounting seats 306. A second motor 30 is fixed to the top of the workbench 1 by bolts and a mounting plate. 8. The output end of the second motor 308 is fixedly connected to the splined shaft 307 via a coupling. A rotating rod 309 is rotatably mounted inside the moving block 301. The rotating rod 309 and the rotating cylinder 302 are coaxially fixedly connected. A first bevel gear 310 is coaxially fixed to the surface of the rotating rod 309. A second bevel gear 311 is rotatably mounted inside the moving block 301. The first bevel gear 310 and the second bevel gear 311 mesh with each other. A spline sleeve 312 is coaxially fixed inside the second bevel gear 311. The spline sleeve 312 is slidably mounted on the surface of the splined shaft 307. Several third mounting seats 313 are fixedly mounted on the top of the workbench 1 by bolts. A second bidirectional screw is rotatably mounted between two third mounting seats 313. A rod 314 is provided, and two movable blocks 301 are threaded onto both ends of the second bidirectional lead screw 314. A second limiting rod 315 is fixed between two third mounting seats 313. Both movable blocks 301 are slidably mounted on the surface of the second limiting rod 315. A third motor 316 is fixed to the top of the workbench 1 by bolts and a mounting plate. The output end of the third motor 316 is fixedly connected to the second bidirectional lead screw 314 via a coupling. By setting an auxiliary mechanism, the third motor 316 is started, driving the second bidirectional lead screw 314 to rotate. Through the threaded connection between the second bidirectional lead screw 314 and the movable blocks 301, and the limiting cooperation of the second limiting rod 315, the two movable blocks 301 move relative to each other. The bar moves in the direction until the shortest distance of the auxiliary blocks 304 on both sides during rotation is the same as the diameter of the bar. During the straightening process, the third motor 316 is started, which drives the spline shaft 307 to rotate. Through the meshing of the spline shaft 307 and the spline sleeve 312, the spline sleeve 312 drives the second bevel gear 311 to rotate. Through the meshing of the first bevel gear 310 and the second bevel gear 311, the first bevel gear 310 drives the rotating rod 309 and the rotating drum 302 to rotate, thereby causing the telescopic rod 303 and the auxiliary blocks 304 to rotate. When the auxiliary blocks 304 on both sides rotate, they simultaneously contact and rub against the bar, thereby assisting the bar to move to the right and improving processing efficiency.

[0028] Specifically, the working process or principle of this bar straightening device is as follows: During use, the user places the bar to be straightened between two support frames 201, starts the first motor 207, and drives the first bidirectional lead screw 206 to rotate. Through the threaded connection between the first bidirectional lead screw 206 and the two ear plates 203, and the limiting cooperation between the other two ear plates 203 and the first limiting rod 205, the two support frames 201 move in opposite directions until the straightening rollers 202 on both sides contact the bar to be straightened. Then, the third motor 316 is started, driving the second bidirectional lead screw 314 to rotate. Through the threaded connection between the second bidirectional lead screw 314 and the moving block 301, and the limiting cooperation of the second limiting rod 315, the two moving blocks 301 move in opposite directions. 01. Move in opposite directions until the shortest distance of the auxiliary blocks 304 on both sides during rotation is the same as the diameter of the bar. Start the drive motor to make several straightening rollers 202 rotate simultaneously, causing the bar to move to the right. Start the third motor 316 to drive the spline shaft 307 to rotate. Through the meshing of the spline shaft 307 and the spline sleeve 312, the spline sleeve 312 drives the second bevel gear 311 to rotate. Through the meshing of the first bevel gear 310 and the second bevel gear 311, the first bevel gear 310 drives the rotating rod 309 and the rotating drum 302 to rotate, thereby causing the telescopic rod 303 and the auxiliary blocks 304 to rotate. When the auxiliary blocks 304 on both sides rotate, they simultaneously contact and rub against the bar, thereby assisting the bar to move to the right.

Claims

1. A bar straightening device, comprising a workbench (1), characterized in that: A straightening mechanism is provided on the top of the workbench (1), and the straightening mechanism includes a support frame (201). The support frame (201) is provided on the top of the workbench (1). There are two support frames (201) symmetrically arranged along the axis of the workbench (1), and the shape of the support frame (201) is set to be a U-shaped. a straightening roller (202). The straightening roller (202) is rotatably arranged inside the support frame (201), and a number of straightening rollers (202) are linearly arranged along the direction of the support frame (201).

2. The bar straightening device according to claim 1, characterized in that, Two ear plates (203) are fixedly provided at the bottom of the support frame (201), and a number of first mounting seats (204) are fixedly provided on the top of the workbench (1). A first limiting rod (205) is fixedly provided between two of the first mounting seats (204), and one of the ear plates (203) is slidably sleeved on the surface of the first limiting rod (205).

3. The bar straightening device according to claim 2, characterized in that, A first bidirectional screw rod (206) is rotatably arranged between another two of the first mounting seats (204), and another ear plate (203) is threadedly sleeved on the surface of the first bidirectional screw rod (206).

4. The bar straightening device according to claim 3, characterized in that, A first motor (207) is fixedly provided on the top of the workbench (1), and the output end of the first motor (207) is fixedly connected to the first bidirectional screw rod (206).

5. A bar straightening device according to claim 4, characterized in that, An auxiliary mechanism is provided on the top of the workbench (1). The auxiliary mechanism includes a moving block (301). The moving block (301) is provided on the top of the workbench (1). There are two moving blocks (301) symmetrically arranged along the axis of the workbench (1). A rotating cylinder (302) is rotatably arranged on the top of the moving block (301). A number of telescopic rods (303) are provided on the surface of the rotating cylinder (302), and the other end of the telescopic rod (303) is fixedly provided with an auxiliary block (304). A spring (305) is provided between the telescopic rod (303) and the auxiliary block (304).

6. A bar straightening device according to claim 5, characterized in that, Two second mounting seats (306) are fixedly provided on the top of the workbench (1). A spline shaft (307) is rotatably arranged between the two second mounting seats (306). A second motor (308) is fixedly provided on the top of the workbench (1), and the output end of the second motor (308) is fixedly connected to the spline shaft (307).

7. A bar straightening device according to claim 6, characterized in that, A rotating rod (309) is rotatably arranged inside the moving block (301). The rotating rod (309) is coaxially fixedly connected to the rotating cylinder (302). A first bevel gear (310) is coaxially fixedly provided on the surface of the rotating rod (309). A second bevel gear (311) is rotatably arranged inside the moving block (301). The first bevel gear (310) and the second bevel gear (311) are meshed with each other. A spline sleeve (312) is coaxially fixedly provided inside the second bevel gear (311), and the spline sleeve (312) is slidably arranged on the surface of the spline shaft (307).

8. A bar straightening device according to claim 7, characterized in that, The top of the workbench (1) is fixedly provided with several third mounting seats (313), wherein a second bidirectional lead screw (314) is rotatably arranged between two of the third mounting seats (313), and two moving blocks (301) are respectively threaded onto the two ends of the second bidirectional lead screw (314). A second limiting rod (315) is fixedly provided between the other two third mounting seats (313), and both moving blocks (301) are slidably arranged on the surface of the second limiting rod (315). A third motor (316) is fixedly provided on the top of the workbench (1), and the output end of the third motor (316) is fixedly connected to the second bidirectional lead screw (314).

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