Arc-shaped depression bar radian correcting device

Abstract

The utility model relates to the technical field of arc-shaped depression bar correction, in particular to an arc-shaped depression bar radian correction device which comprises a supporting frame, a positioning block is movably connected in the supporting frame, a limiting assembly is arranged on the inner side of the supporting frame, and a driving assembly is arranged at the top end of the supporting frame. The limiting assembly comprises a fixed block, a ratchet wheel, a connecting rod, a rotating shaft, a movable block, teeth, a telescopic rod, a spring and a pull rod. Through the arrangement of the limiting assembly, the connecting rod is rotated to drive the ratchet wheel to rotate downwards, when the ratchet wheel rotates downwards, the movable block is pushed to slide front and back through the teeth, the ratchet wheel is fixed through matched use of the spring and the teeth, and the situation that an arc-shaped pressing strip slides in the correction process, and the correction effect is affected is prevented; through the arrangement of the limiting assembly, the adjusting wheel is rotated to drive the two sets of sliding blocks on the surface of the two-way screw rod, the connecting rod is rotationally connected through the hinge rod, the pressing plate can be attached to the surface of the arc-shaped pressing strip, and therefore correction of the arc-shaped pressing strip is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of arc-shaped beading strip correction, in particular to an arc-shaped beading strip curvature correction device. Background Art

[0002] When using workpieces with good toughness to process items, the original material usually needs to be bent into a certain arc in advance for assembly, which is common in the manufacture of ships, handicrafts, etc.

[0003] When using curved molding components to assemble products, their curvature often changes due to long storage time or pressure during transfer, resulting in poor curvature accuracy of the components. It is difficult to meet production needs when using curved moldings for assembly, which is not conducive to people's use.

[0004] After searching, the patent application number is (202223372757.2), which discloses "arc calibration tooling for large arc-shaped workpieces", which solves the problem that the workpiece is very easy to deform during the heat treatment process because its curvature is not a full circle, the heat dissipation of the inner and outer rings is uneven during the quenching process, and the lifting is unreasonable. In particular, the deformation in the middle of the inner arc is large, which makes it impossible to machine the workpiece into a finished product after quenching and tempering. If it is not calibrated, it cannot be used, causing the workpiece to be scrapped, resulting in huge economic losses;

[0005] However, the above device has the following problems: lack of a locking structure, which makes it easy for the arc-shaped workpiece to slip during correction, thus affecting the correction effect. Therefore, we propose an arc-shaped pressure strip curvature correction device to solve the above problem. Utility Model Content

[0006] The utility model aims to provide a device for correcting the curvature of an arc-shaped pressure strip, so as to solve the problem in the background technology mentioned above that the arc-shaped workpiece is prone to slipping during correction, thus affecting the correction effect due to the lack of a locking structure.

[0007] To achieve the above object, the utility model provides the following technical solution: a device for correcting the curvature of an arc-shaped bead, comprising a support frame, a positioning block movably connected inside the support frame, a limiting component disposed inside the support frame, and a driving component disposed at the top of the support frame.

[0008] The limiting assembly includes a fixed block, a ratchet, a connecting rod, a rotating shaft, a movable block, teeth, a telescopic rod, a spring and a pull rod. A fixed block is arranged on the front side of the support frame, two groups of ratchets are arranged in the fixed block, a connecting rod is arranged on the outer side of the ratchet, a rotating shaft is arranged on the inner side of the fixed block, a movable block is arranged on the outer side of the rotating shaft, teeth are arranged on the lower side of the movable block, a telescopic rod is arranged on the upper side of the movable block, a spring is arranged in the telescopic rod, and a pull rod is arranged in the spring.

[0009] Preferably, the driving assembly includes a fixed rod, a bidirectional screw, a slider, a hinged rod and an adjusting wheel. The top of the fixed block is fixedly connected to the fixed rod, a bidirectional screw is rotatably connected inside the fixed rod, two groups of sliders are movably connected to both sides of the surface of the bidirectional screw, the lower ends of the sliders are respectively rotatably connected to the hinged rod, the other end of the hinged rod is connected to the upper side of the connecting rod, and the right side of the bidirectional screw is fixedly connected to the adjusting wheel.

[0010] Preferably, the ratchet is symmetrically connected for rotation about the center point of the fixed block, the ratchet is fixedly connected to the inner side of the connecting rod, the front and rear sides of the movable block are rotatably connected to the inner wall of the fixed block, the upper end of the tooth is fixedly connected to the movable block, the bottom of the telescopic rod is fixedly connected to the upper surface of the movable block, the other end of the telescopic rod is fixedly connected to the inner wall of the fixed block, the two ends of the spring are respectively abutted against the inner walls of the telescopic rod and the fixed block, the bottom of the pull rod is fixedly connected to the bottom of the telescopic rod, and the other end of the pull rod passes through the top of the fixed block.

[0011] Preferably, the lower end of the connecting rod is movably connected to a pressure plate, a sliding groove is provided in the connecting rod, a positioning bolt is movably connected in the sliding groove, and the bottom of the positioning bolt is threadedly connected to the pressure plate.

[0012] Preferably, the positioning block is cylindrical, a slide rail is provided inside the support frame, and the positioning block is slidably connected to the support frame via bolts.

[0013] Preferably, a rubber pad is provided on the inner side of the pressing plate, and a wavy anti-slip pattern with a depth of two millimeters is provided on the surface of the rubber pad.

[0014] Preferably, the outer end of the pull rod is fixedly connected to a limiting ring, and the diameter of the limiting ring is larger than that of the pull rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model sets a limit assembly, rotates the connecting rod to drive the ratchet to rotate downward, and when the ratchet rotates downward, the teeth push the movable block to slide back and forth, and the ratchet is fixed by the coordinated use of the spring and the teeth to prevent the arc-shaped pressure strip from sliding during the correction process and affecting the correction effect.

[0017] The utility model sets a limit assembly, rotates the adjusting wheel to drive two sets of sliders on the surface of the bidirectional screw, and the connecting rod is rotatably connected through the hinge rod, so that the pressing plate can be attached to the surface of the arc-shaped pressure strip, thereby realizing the correction of the arc-shaped pressure strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the drive assembly of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the positioning block of the utility model;

[0022] Figure 4 For this utility model Figure 2 A is a partial enlarged schematic diagram of the middle part.

[0023] In the figure: 1. support frame; 2. positioning block; 3. limit assembly; 301. fixed block; 302. ratchet; 303. connecting rod; 304. rotating shaft; 305. movable block; 306. teeth; 307. telescopic rod; 308. spring; 309. pull rod; 4. driving assembly; 401. fixed rod; 402. two-way screw; 403. slider; 404. hinged rod; 405. adjusting wheel; 5. pressure plate; 6. slide groove; 7. positioning bolt; 8. slide rail. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The utility model provides an embodiment: a device for correcting the curvature of an arc-shaped bead, comprising a support frame 1, a positioning block 2 movably connected inside the support frame 1, a limiting component 3 is arranged on the inner side of the support frame 1, and a driving component 4 is arranged on the top of the support frame 1.

[0026] The limiting assembly 3 includes a fixed block 301, a ratchet 302, a connecting rod 303, a rotating shaft 304, a movable block 305, teeth 306, a telescopic rod 307, a spring 308 and a pull rod 309. The front side of the support frame 1 is provided with a fixed block 301, two groups of ratchets 302 are provided in the fixed block 301, the outer side of the ratchet 302 is provided with a connecting rod 303, the inner side of the fixed block 301 is provided with a rotating shaft 304, the outer side of the rotating shaft 304 is provided with a movable block 305, the lower side of the movable block 305 is provided with teeth 306, the upper side of the movable block 305 is provided with a telescopic rod 307, the telescopic rod 307 is provided with a spring 308, and the pull rod 309 is provided in the spring 308;

[0027] The device solves the problem that the lack of a locking structure causes sliding to occur easily during the correction of the arc-shaped workpiece, thus affecting the correction effect, by providing the limit assembly 3, the drive assembly 4 and the pressure plate 5.

[0028] Furthermore, the driving assembly 4 includes a fixed rod 401, a bidirectional screw rod 402, a slider 403, a hinge rod 404 and an adjusting wheel 405. The top of the fixed block 301 is fixedly connected with the fixed rod 401, the bidirectional screw rod 402 is rotatably connected inside the fixed rod 401, two groups of sliders 403 are movably connected on both sides of the surface of the bidirectional screw rod 402, the lower ends of the sliders 403 are respectively rotatably connected with the hinge rod 404, the other end of the hinge rod 404 is connected to the upper side of the connecting rod 303, and the right side of the bidirectional screw rod 402 is fixedly connected with the adjusting wheel 405. Figure 2 As shown, the structure is used to rotate the bidirectional screw 402 by rotating the adjusting wheel 405, so that the two sets of sliders 403 on the surface of the bidirectional screw 402 move toward the center of the bidirectional screw 402, and the connecting rod 303 rotates downward by rotating the hinged rod 404 connected to the bottom of the slider 403 to correct the curvature of the arc-shaped workpiece.

[0029] Furthermore, the ratchet 302 is symmetrically connected to the center of the fixed block 301, the ratchet 302 is fixedly connected to the inner side of the connecting rod 303, the front and rear sides of the movable block 305 are rotatably connected to the inner wall of the fixed block 301, the upper end of the tooth 306 is fixedly connected to the movable block 305, the bottom of the telescopic rod 307 is fixedly connected to the upper surface of the movable block 305, the other end of the telescopic rod 307 is fixedly connected to the inner wall of the fixed block 301, the two ends of the spring 308 are respectively against the telescopic rod 307 and the inner wall of the fixed block 301, the bottom of the pull rod 309 is fixedly connected to the bottom of the telescopic rod 307, and the other end of the pull rod 309 passes through the top of the fixed block 301. Figure 4As shown, the structure is used to drive the ratchet 302 to rotate when the connecting rod 303 rotates. As the ratchet 302 rotates, the movable block 305 is pushed to rotate downward under the elastic action of the spring 308, and the teeth 306 are inserted into the gap of the ratchet 302 to limit the ratchet 302 to avoid loosening during the correction process and affect the correction effect of the arc workpiece.

[0030] Furthermore, the lower end of the connecting rod 303 is movably connected to a pressing plate 5, a sliding groove 6 is provided in the connecting rod 303, a positioning bolt 7 is movably connected in the sliding groove 6, and the bottom of the positioning bolt 7 is threadedly connected to the pressing plate 5. Figure 3 As shown, when the structure is used to calibrate arc-shaped workpieces of different sizes, the positioning bolt 7 is rotated to disengage from the pressing plate 5, the pressing plate 5 is moved to a suitable position along the slide groove 6, and the positioning bolt 7 is then rotated in the opposite direction to fix the pressing plate 5.

[0031] Furthermore, the positioning block 2 is cylindrical, and a slide rail 8 is provided inside the support frame 1. The positioning block 2 is slidably connected to the support frame 1 by bolts. Figure 3 As shown, the structure is used to adjust the positioning block 2 along the slide rail 8 to position arc-shaped workpieces with different curvatures, thereby enhancing the correction effect.

[0032] Furthermore, a rubber pad is provided on the inner side of the pressing plate 5, and a wavy anti-slip pattern with a depth of two millimeters is provided on the surface of the rubber pad. Figure 3 As shown, the structure is used to provide cushioning and anti-slip properties through rubber, and its anti-slip grooves can enhance its anti-slip effect, and a depth of two millimeters can be used to ensure that the anti-slip grooves still have an anti-slip effect after a certain degree of wear.

[0033] Furthermore, the outer end of the pull rod 309 is fixedly connected to a limiting ring, and the diameter of the limiting ring is larger than the pull rod 309. Figure 4 As shown, this structure is used to pull the pull rod 309 to make the teeth 306 disengage from the gap of the ratchet 302, so that the connecting rod 303 and the ratchet 302 can rotate in the opposite direction.

[0034] Working principle: When used, Figure 3 As shown, first adjust the pressing plate 5 and the positioning block 2 according to the size of the workpiece, rotate the bolt to adjust the positioning block 2 along the slide rail 8, and after adjustment, rotate the positioning bolt 7 to disengage from the pressing plate 5, move the pressing plate 5 along the slide groove 6 to a suitable position, and then rotate the positioning bolt 7 in the opposite direction to fix the pressing plate 5, as shown in FIG. Figure 1 and Figure 2As shown, the workpiece is placed on the surface of the positioning block 2, and the adjusting wheel 405 is rotated at the same time. The adjusting wheel 405 drives the bidirectional screw 402 to rotate, so that the two sets of sliders 403 on the surface of the bidirectional screw 402 move toward the center of the bidirectional screw 402, and the hinged rod 404 connected by the bottom of the slider 403 is rotated to make the connecting rod 303 rotate downward, so as to correct the curvature of the arc-shaped workpiece, as shown in FIG. Figure 4 As shown, when the connecting rod 303 rotates, it drives the ratchet 302 to rotate. As the ratchet 302 rotates, the movable block 305 is pushed to rotate downward under the elastic action of the spring 308, and the teeth 306 are inserted into the gap of the ratchet 302, so as to limit the ratchet 302 to avoid loosening during the correction process and affect the correction effect of the arc-shaped workpiece. After the correction is completed, when it is necessary to reset, the pull rod 309 is pulled upward to make the teeth 306 disengage from the gap of the ratchet 302, and the adjusting wheel 405 is rotated to make the connecting rod 303 and the ratchet 302 rotate in the opposite direction, and then the workpiece is taken out. The above is the entire working principle of the utility model.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A device for correcting the curvature of an arc-shaped bead, comprising a support frame (1), characterized in that: A positioning block (2) is movably connected inside the support frame (1), a limiting assembly (3) is arranged on the inner side of the support frame (1), and a driving assembly (4) is arranged on the top end of the support frame (1). The limiting assembly (3) comprises a fixed block (301), a ratchet (302), a connecting rod (303), a rotating shaft (304), a movable block (305), teeth (306), a telescopic rod (307), a spring (308) and a pull rod (309). The front side of the support frame (1) is provided with a fixed block (301), two groups of ratchets (302) are provided in the fixed block (301), and the outer side of the ratchet (302) is provided with a A connecting rod (303) is provided, a rotating shaft (304) is arranged on the inner side of the fixed block (301), a movable block (305) is arranged on the outer side of the rotating shaft (304), teeth (306) are arranged on the lower side of the movable block (305), a telescopic rod (307) is arranged on the upper side of the movable block (305), a spring (308) is arranged inside the telescopic rod (307), and a pull rod (309) is arranged inside the spring (308).

2. The device for correcting the curvature of a curved bead according to claim 1, characterized in that: The driving assembly (4) comprises a fixed rod (401), a bidirectional screw rod (402), a slider (403), a hinge rod (404) and an adjusting wheel (405); the top of the fixed block (301) is fixedly connected to the fixed rod (401); the bidirectional screw rod (402) is rotatably connected inside the fixed rod (401); two groups of sliders (403) are movably connected to the two sides of the surface of the bidirectional screw rod (402); the lower ends of the sliders (403) are respectively rotatably connected to the hinge rods (404); the other end of the hinge rod (404) is connected to the upper side of the connecting rod (303); and the right side of the bidirectional screw rod (402) is fixedly connected to the adjusting wheel (405).

3. The device for correcting the curvature of a curved layer according to claim 1, characterized in that: The ratchet (302) is symmetrically connected to the center point of the fixed block (301) for rotation, the ratchet (302) is fixedly connected to the inner side of the connecting rod (303), the front and rear sides of the movable block (305) are rotatably connected to the inner wall of the fixed block (301), the upper end of the tooth (306) is fixedly connected to the movable block (305), the bottom of the telescopic rod (307) is fixedly connected to the upper surface of the movable block (305), the other end of the telescopic rod (307) is fixedly connected to the inner wall of the fixed block (301), the two ends of the spring (308) are respectively against the inner wall of the telescopic rod (307) and the fixed block (301), the bottom of the pull rod (309) is fixedly connected to the bottom of the telescopic rod (307), and the other end of the pull rod (309) passes through the top of the fixed block (301).

4. The device for correcting the curvature of a curved bead according to claim 1, characterized in that: The lower end of the connecting rod (303) is movably connected to a pressing plate (5), a sliding groove (6) is provided in the connecting rod (303), a positioning bolt (7) is movably connected in the sliding groove (6), and the bottom of the positioning bolt (7) is threadedly connected to the pressing plate (5).

5. The device for correcting the curvature of a curved bead according to claim 1, characterized in that: The positioning block (2) is cylindrical, a slide rail (8) is provided inside the support frame (1), and the positioning block (2) is slidably connected to the support frame (1) via bolts.

6. The device for correcting the curvature of a curved bead according to claim 4, characterized in that: A rubber pad is arranged on the inner side of the pressing plate (5), and a wave-shaped anti-skid pattern with a depth of two millimeters is arranged on the surface of the rubber pad.

7. The device for correcting the curvature of a curved layering strip according to claim 1, characterized in that: The outer end of the pull rod (309) is fixedly connected to a limiting ring, and the diameter of the limiting ring is larger than that of the pull rod (309).

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