Stretching device with good safety
By designing a combination of spring-loaded clamping mechanism and motor heating wire to adapt to aluminum tubes of different diameters and shapes, the problem of unstable clamping in existing devices has been solved, achieving stable clamping and improved safety of aluminum tubes during the stretching process.
Patent Information
- Application Number
- CN202520087571.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing stretching devices cannot adapt to aluminum tubes of different diameters and shapes, resulting in unstable clamping, increasing the risk of movement or detachment of the aluminum tubes during the stretching process, and affecting processing safety.
A stretching device including a fixed clamping mechanism and a movable clamping mechanism was designed. It uses a combination of springs No. 1, No. 2 and No. 3 to clamp aluminum tubes of different diameters and achieves stable stretching through a motor and heating wire.
This ensures the aluminum tube remains stable during the stretching process, preventing it from slipping or falling off, thus improving the safety and precision of the operation.
Smart Images
Figure CN223718033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aluminum pipe processing field especially relates to a safety good stretching device. BACKGROUND
[0002] Aluminum pipe is a tubular material made of aluminum alloy, with the advantages of light weight, high strength, corrosion resistance and good heat conduction performance. Aluminum pipe is widely used in aerospace, automobile, building, machinery, electronics and other fields, commonly used in manufacturing frame, pipeline, radiator and other structural parts. Through stretching treatment, the internal structure of aluminum pipe can be changed to improve its strength, toughness and fatigue resistance. During the stretching process, the plasticity of aluminum pipe will be improved, which enhances its deformation ability in processing and use, reducing the risk of breakage.
[0003] However, the existing stretching device cannot adapt to aluminum pipes of different diameters and shapes when clamping, limiting the versatility and flexibility of the equipment. Due to the lack of design for different specifications, it may cause unstable clamping, increasing the risk of movement or falling of aluminum pipe during stretching, thereby affecting the processing safety.
[0004] Therefore, the skilled person in the art provides a stretching device with good safety to solve the problems raised in the background art. SUMMARY
[0005] The utility model aims at solving the shortcomings in the prior art and provides a stretching device with good safety. The new device can adapt to aluminum pipes of different diameters and shapes, and can stably stretch the aluminum pipe after starting the motor.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A stretching device with good safety, comprising a device shell, a fixed clamping mechanism and a movable clamping mechanism, a feeding port is formed on one side of the outer end of the device shell, a heating wire is fixedly arranged at the top end inside the device shell, a motor is fixedly arranged at the lower end on the other side of the outer end of the device shell, and a lead screw is fixedly arranged at the output end of the motor;
[0008] The fixed clamping mechanism comprises a fixed box, a through hole is formed on one side of the fixed box, four first springs are arranged at the inner end of the through hole, a clamping plate is fixedly arranged on the other side of the four first springs, and a second spring is arranged between the clamping plates;
[0009] The movable clamping mechanism comprises a movable box and two movable columns, one side of the movable box is provided with a mounting hole, opposite ends of the two movable columns are fixedly provided with fixed plates, upper and lower ends of the two fixed plates are hingedly provided with movable plates, and opposite ends of the two limiting plates are provided with third springs.
[0010] Further, the fixed box is fixedly arranged on one side of the inner end of the device shell close to the feeding port, and the heating wire is fixedly arranged on the upper end of the fixed box.
[0011] Further, the four clamping plates are movably arranged in the inner end of the through hole, and the four second springs are movably arranged in the inner end of the through hole.
[0012] Further, the movable box is threadedly sleeved on the outer end of the lead screw, and the two movable columns pass through the movable box and extend to the inner end of the through hole.
[0013] Further, the two fixed plates are movably arranged in the inner end of the through hole, and the four movable plates are movably arranged in the inner end of the through hole.
[0014] Further, the two limiting plates are movably arranged on the front and rear sides of the movable box respectively, and the two third springs are fixedly connected with the front and rear sides of the movable box.
[0015] Further, the two fixed plates are movably arranged on the lower end of the heating wire.
[0016] The utility model has the advantages of the following beneficial effects:
[0017] 1. The stretching device with good safety disclosed by the utility model can effectively clamp aluminum pipes with different diameters after the aluminum pipes are inserted into the device from the feeding port, because the clamping plates are provided with first springs at the rear ends and second springs between the clamping plates, so that the stability of the aluminum pipes during the stretching process is ensured, and the aluminum pipes are not easy to slide or deviate, thereby improving the safety and accuracy of operation.
[0018] 2. After the aluminum pipe continues to move into the device shell, the third springs are fixedly arranged on the front and rear sides of the movable box and connected with the limiting plates, so that the fixed plates can stably clamp the aluminum pipe, and the movable plates can also continuously clamp the aluminum pipe, then, after the motor and the heating wire are started, the motor can stretch the aluminum pipe, so that the movement or falling off of the aluminum pipe during the stretching process is avoided, and the safety of operation is improved. DRAWINGS
[0019] Figure 1 It is a perspective view of the utility model;
[0020] Figure 2 It is a perspective view of the interior of the utility model.
[0021] Figure 3 It is the cross section schematic view of the utility model;
[0022] Figure 4 It is the cross section schematic view of the utility model device shell and fixed box;
[0023] Figure 5 It is the axonometric view of the utility model movable clamping mechanism;
[0024] Figure 6 It is the axonometric view of the utility model movable column, fixed plate and movable plate.
[0025] Legend:
[0026] 1, device shell, 2, feed inlet, 3, fixed clamping mechanism, 4, heating wire, 5, motor, 6, lead screw, 7, movable clamping mechanism, 301, fixed box, 302, through hole, 303, No. 1 spring, 304, clamping plate, 305, No. 2 spring, 701, movable box, 702, mounting hole, 703, movable column, 704, fixed plate, 705, movable plate, 706, limit plate, 707, No. 3 spring. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0028] Referring to Figures 1-3 , the utility model provides an embodiment:
[0029] A kind of good safety stretching device, including device shell 1, fixed clamping mechanism 3 and movable clamping mechanism 7, device shell 1 outer end side is equipped with feed inlet 2, heating wire 4 is fixedly arranged in device shell 1 inner top end, motor 5 is fixedly arranged in the lower end of the other side of device shell 1 outer end, and lead screw 6 is fixedly arranged in the output end of motor 5.
[0030] Specifically, the fixed clamping mechanism 3 of the utility model can adapt to different diameter aluminum pipes, and the movable clamping mechanism 7 can stably clamp and then stretch the aluminum pipe.
[0031] Referring to Figure 4, the fixed clamping mechanism 3 includes a fixed box 301, one side of the fixed box 301 is provided with a through hole 302, the inner end of the through hole 302 is provided with four first springs 303, the other side of the four first springs 303 is fixedly provided with a clamping plate 304, the clamping plate 304 is provided with a second spring 305 between two clamping plates 304, the fixed box 301 is fixedly arranged at the inner end of the device housing 1 close to the feeding port 2, the heating wire 4 is fixedly arranged on the upper end of the fixed box 301, the four clamping plates 304 are movably arranged in the inner end of the through hole 302, and the four second springs 305 are movably arranged in the inner end of the through hole 302.
[0032] Specifically, after the aluminum pipe is inserted from the feeding port 2, the first spring 303 at the rear end of the clamping plate 304 and the second spring 305 between the clamping plates 304 can effectively clamp aluminum pipes of different diameters, so that the stability of the aluminum pipe during the stretching process is ensured, and the aluminum pipe is not easy to slide or deviate, thereby improving the safety and accuracy of operation.
[0033] Referring to Figure 5 , Figure 6 , the movable clamping mechanism 7 includes a movable box 701 and two movable columns 703, one side of the movable box 701 is provided with a mounting hole 702, the opposite end of the two movable columns 703 is fixedly provided with a fixed plate 704, the upper and lower ends of the two fixed plates 704 are hingedly provided with a movable plate 705, the opposite end of the two movable columns 703 is fixedly provided with a limiting plate 706, the opposite end of the two limiting plates 706 is provided with a third spring 707, the movable box 701 is threadedly sleeved on the outer end of the lead screw 6, the two movable columns 703 penetrate through the movable box 701 and extend to the inner end of the through hole 302, the two fixed plates 704 are movably arranged in the inner end of the through hole 302, the four movable plates 705 are movably arranged in the inner end of the through hole 302, the two limiting plates 706 are movably arranged on the front and rear sides of the movable box 701, the two third springs 707 are fixedly connected to the front and rear sides of the movable box 701, and the two fixed plates 704 are movably arranged at the lower end of the heating wire 4.
[0034] Specifically, after the aluminum pipe continues to move into the device housing 1, the third spring 707 is fixedly arranged on the front and rear sides of the movable box 701, and the third spring 707 is connected with the limiting plate 706, so that the fixed plate 704 can stably clamp the aluminum pipe, and the movable plate 705 can also continuously clamp the aluminum pipe, then the motor 5 and the heating wire 4 are started, the motor 5 can stretch the aluminum pipe, so that the movement or falling off of the aluminum pipe during the stretching process is avoided, and the safety of operation is improved.
[0035] Working principle: after the aluminum pipe is inserted from the feeding port 2, the first spring 303 at the rear end of the clamping plate 304 and the second spring 305 between the clamping plates 304 can effectively clamp aluminum pipes of different diameters;
[0036] Second, after the aluminum tube continues to move into the device shell 1, because the movable box 701 is fixedly provided with the third spring 707 on the front and back sides, and the third spring 707 is connected with the limiting plate 706, the third spring 707 can make the fixed plate 704 stably clamp the aluminum tube, and the movable plate 705 can also continuously clamp the aluminum tube, then after the motor 5 and the heating wire 4 are started, the motor 5 can stretch the aluminum tube.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A safe stretching device comprising a device housing (1), a fixed clamping mechanism (3) and a movable clamping mechanism (7), characterized in that: The device shell (1) outer end one side is provided with feed inlet (2), the device shell (1) inner top is fixedly provided with heating wire (4), the device shell (1) outer end the other side is fixedly provided with motor (5) near lower end, the motor (5) output is fixedly provided with lead screw (6); The fixed clamping mechanism (3) includes a fixed box (301), a through hole (302) is formed on one side of the fixed box (301), four first springs (303) are arranged in the inner end of the through hole (302), four clamping plates (304) are fixedly arranged on the other side of the first springs (303), and second springs (305) are arranged between the clamping plates (304) two by two. The movable clamping mechanism (7) includes a movable box (701) and two movable columns (703), an installation hole (702) is formed on one side of the movable box (701), two fixed plates (704) are fixedly arranged on the opposite ends of the movable columns (703), movable plates (705) are hingedly arranged on the upper and lower ends of the two fixed plates (704), limit plates (706) are fixedly arranged on the opposite ends of the two movable columns (703), and third springs (707) are arranged on the opposite ends of the two limit plates (706).
2. A safety stretch device as claimed in claim 1, wherein: The fixed box (301) is fixedly arranged on one side of the inner end of the device shell (1) near the feed inlet (2), and the heating wire (4) is fixedly arranged on the upper end of the fixed box (301).
3. The safety stretch device of claim 1, wherein: The four clamping plates (304) are movably arranged in the inner end of the through hole (302), and the four second springs (305) are movably arranged in the inner end of the through hole (302).
4. The safety stretch device of claim 1, wherein: The movable box (701) is threadedly sleeved on the outer end of the lead screw (6), and the two movable columns (703) penetrate through the movable box (701) and extend into the inner end of the through hole (302).
5. The safety stretch device of claim 1, wherein: The two fixed plates (704) are movably arranged in the inner end of the through hole (302), and the four movable plates (705) are movably arranged in the inner end of the through hole (302).
6. The safety stretch device of claim 1, wherein: The two limit plates (706) are movably arranged on the front and rear sides of the movable box (701), and the two third springs (707) are fixedly connected with the front and rear sides of the movable box (701).
7. The safety stretch device of claim 1, wherein: The two fixed plates (704) are movably arranged on the lower end of the heating wire (4).