Straightness detection device
By using a radiation generator and receiver in the testing device to automatically detect the straightness of hyperelastic wires or pipes, the problem of large errors in manual testing in the prior art is solved, and efficient and accurate straightness testing is achieved.
Patent Information
- Application Number
- CN202422503056.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing technologies rely on manual methods for straightness testing of superelastic nickel-titanium wires or pipes, resulting in large errors and high costs, and failing to effectively improve testing efficiency and accuracy.
The X-ray generator and X-ray receiver are aligned and set up to detect the straightness of the superelastic wire or pipe through linear X-rays. Combined with the alarm device, the system automatically judges whether it is qualified, reducing human intervention.
It achieves automated detection, avoids human error, improves detection efficiency and accuracy, and reduces labor costs.
Smart Images
Figure CN223663943U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a detection equipment more particularly to a straightness detection device. BACKGROUND
[0002] Cardiovascular disease seriously threatens human life health and safety and has become a major public health problem, and stent implantation surgery is the main means for treating the disease at present. Nickel-titanium alloy becomes the main material for preparing cardiovascular stents due to its unique super-elasticity, thermal shape memory characteristics and excellent biocompatibility, which requires that the material meets the relevant requirements of standard performance indicators and also has high straightness.
[0003] At present, the straightness of super-elastic nickel-titanium wire or pipe is detected by plug gauge method, gravity method and the like, and these detection methods highly rely on manual work, have high cost and cannot avoid human error. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming the above-mentioned defects existing in the prior art and provides a straightness detection device for detecting the straightness of super-elastic wire or super-elastic pipe, reducing human error, reducing labor cost, improving detection efficiency and precision.
[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0006] A straightness detection device for detecting the straightness of super-elastic wire or super-elastic pipe comprises:
[0007] A platform for placing super-elastic wire or super-elastic pipe;
[0008] A ray generating device and a ray receiving device, the ray generating device and the ray receiving device are oppositely arranged on the platform, the ray generating device is used for emitting straight rays, the ray receiving device is used for receiving the straight rays, and the super-elastic wire or the super-elastic pipe is located between the ray generating device and the ray receiving device; and
[0009] An alarm device, the alarm device and the ray receiving device are electrically connected, and the alarm device sends an alarm signal according to whether the ray receiving device receives the straight rays.
[0010] The embodiment of the utility model has the following beneficial effects:
[0011] When detecting, the super-elastic wire or the super-elastic tube is placed horizontally on the platform naturally, and is located between the ray generating device and the ray receiving device, so that the height of the ray generating device and the ray receiving device is the sum of the diameter of the super-elastic wire or the super-elastic tube and the maximum allowable tolerance of the diameter; the ray generating device is opened, the ray generating device emits straight rays, the ray receiving device is moved to the opposite side of the ray generating device, so that it can receive the straight rays; the super-elastic wire or the super-elastic tube is rolled on the platform, if the straightness of the super-elastic wire or the super-elastic tube is greater than the maximum tolerance, the straightness will block the straight rays when rolling, hinder the ray receiving device from receiving signals, cause the alarm device to alarm, and indicate that the straightness of the super-elastic wire or the super-elastic tube is unqualified, otherwise, if no alarm occurs when rolling, it indicates that the straightness is qualified.
[0012] The straightness detection of the embodiment of the utility model does not depend on artificial judgment, avoids artificial error, and improves detection efficiency and accuracy. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0014] Among them:
[0015] Figure 1 It is the structure diagram of the straightness detection device of a specific embodiment of the utility model.
[0016] In the figure, 1, platform; 2, guide rail; 3, ray generating device; 4, ray receiving device; 5, alarm device. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some 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 belong to the protection scope of the utility model.
[0018] REFERENCE Figure 1The utility model discloses a straightness detection device for detecting the straightness of super-elastic wire or super-elastic pipe, comprising a platform 1, a ray generating device 3, a ray receiving device 4 and an alarm device 5, the upper surface of the platform 1 is used for placing the super-elastic wire or super-elastic pipe, the ray generating device 3 and the ray receiving device 4 are both arranged on the platform 1, the ray generating device 3 is oppositely arranged with the ray receiving device 4, the ray generating device 3 is used for emitting straight rays, the ray receiving device 4 is used for receiving straight rays, the super-elastic wire or super-elastic pipe is located between the ray generating device 3 and the ray receiving device 4; the alarm device 5 is electrically connected with the ray receiving device 4, and the alarm device 5 sends an alarm signal according to whether the ray receiving device 4 receives straight rays.
[0019] During detection, the super-elastic wire or super-elastic pipe is placed naturally and horizontally on the platform 1 and located between the ray generating device 3 and the ray receiving device 4, so that the height of the ray generating device 3 and the ray receiving device 4 is the sum of the diameter of the super-elastic wire or super-elastic pipe and the maximum permissible tolerance of the diameter; the ray generating device 3 is turned on, the ray generating device 3 emits straight rays, the ray receiving device 4 is moved to the opposite side of the ray generating device 3 so that it can receive straight rays; the super-elastic wire or super-elastic pipe is rolled on the platform 1, if the straightness of the super-elastic wire or super-elastic pipe is greater than the maximum tolerance, the rolling will block the straight rays, hinder the ray receiving device 4 from receiving signals, and cause the alarm device 5 to alarm, indicating that the straightness of the super-elastic wire or super-elastic pipe is unqualified, otherwise, if no alarm occurs during rolling, it indicates that the straightness is qualified.
[0020] The straightness detection of the above-mentioned embodiment does not depend on human judgment, avoids human error, and improves detection efficiency and accuracy.
[0021] In the above-mentioned embodiment, the straightness of different positions of the wire or pipe can be measured by moving the super-elastic wire or super-elastic pipe along the axial direction.
[0022] Reference Figure 1 In a more preferred embodiment, the straightness detection device further comprises a guide rail 2 and a sliding member, the guide rail 2 is arranged on the platform 1, the sliding member slides along the guide rail 2, the ray generating device 3 and the ray receiving device 4 are both arranged on the sliding member, and the ray generating device 3 and the ray receiving device 4 slide along the guide rail 2 together with the sliding member. By making the ray generating device 3 and the ray receiving device 4 slide along the guide rail 2 together with the sliding member, the straightness of different positions of the wire or pipe can be measured.
[0023] Reference Figure 1In the embodiment, the guide rail 2 comprises a first guide rail and a second guide rail, which are arranged on the platform 1 respectively, and specifically, the first guide rail and the second guide rail are arranged on two sides of the platform 1 respectively. The sliding member comprises a first sliding block and a second sliding block, the first sliding block moves along the first guide rail, and the second sliding block moves along the second guide rail. The ray generating device 3 and the ray receiving device 4 are arranged on the first sliding block and the second sliding block respectively, and can move on the first guide rail and the second guide rail respectively to measure whether the straightness of the wire or pipe at different positions is qualified.
[0024] Preferably, in an embodiment, a connecting member is further arranged to connect the first sliding block and the second sliding block to make the first sliding block and the second sliding block move synchronously, to ensure that the position of the ray receiving device 4 and the ray generating device 3 is relatively fixed, and the ray generating device 3 is always aligned with the ray receiving device 4.
[0025] In another embodiment, the guide rail 2 is one, which is arranged on the back of the platform 1. The sliding member comprises a sliding block matched with the guide rail 2 and a connecting member fixedly connected with the sliding block. The connecting member is perpendicular to the guide rail 2, and the ray generating device 3 and the ray receiving device 4 are arranged at two ends of the connecting member respectively. The embodiment can also realize the synchronous movement of the ray generating device 3 and the ray receiving device 4.
[0026] In an embodiment, the ray generating device 3 and the ray receiving device 4 respectively comprise a transmitter and a receiver of a photoelectric switch. The photoelectric switch converts the input current into a light signal emitted from the transmitter, and the receiver detects the target object according to the strength or presence of the received light.
[0027] In an embodiment, the ray generating device 3 and the ray receiving device 4 are two or more groups, which are arranged along the axial direction of the super-elastic wire or super-elastic pipe at intervals, can simultaneously detect the straightness of multiple position points in the axial direction of the super-elastic wire or super-elastic pipe, improve the detection reliability, and ensure that the material meets the requirements.
[0028] Preferably, in an embodiment, the straightness detection device further comprises a first lifting assembly and a second lifting assembly. The first lifting assembly is arranged below the ray generating device 3, and is used to adjust the height of the ray generating device 3. The second lifting assembly is arranged below the ray receiving device 4, and is used to adjust the height of the ray receiving device 4. The height of the ray generating device 3 and the ray receiving device 4 can be adjusted by the first lifting assembly and the second lifting assembly to meet the detection of the straightness of super-elastic wires or super-elastic pipes with different diameters.
[0029] The first lifting assembly and the second lifting assembly can be full-automatic lifting assemblies or manual lifting assemblies. Specifically, the full-automatic lifting assembly comprises a driving assembly, for example, a motor or a hydraulic cylinder, and a transmission assembly, for example, a screw transmission. The manual lifting assembly can comprise a slide and a screw, and the radiation generating device 3 or the radiation receiving device 4 moves up and down along the slide, and the screw contacts the radiation generating device 3 or the radiation receiving device 4 to fix the radiation generating device 3 or the radiation receiving device 4 at a specific position of the slide.
[0030] The above-mentioned embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the patent application scope. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. A straightness testing device for detecting the straightness of hyperelastic wires or hyperelastic tubes, characterized in that, The utility model relates to a kind of super-elasticity wire or super-elasticity tube detection device, including: Platform, the platform is used to place super-elasticity wire or super-elasticity pipe material; Ray generating device and ray receiving device, the ray generating device and the ray receiving device are oppositely arranged on the platform, the ray generating device is used to emit straight line ray, the ray receiving device is used to receive the straight line ray, and the super-elasticity wire or the super-elasticity pipe material is located between the ray generating device and the ray receiving device; And Alarm device, the alarm device and the ray receiving device are electrically connected, and the alarm device sends alarm signal according to whether the ray receiving device receives the straight line ray.
2. The straightness detection device according to claim 1, characterized by Further comprising guide rail and sliding member, the guide rail is arranged on the platform, the sliding member slides along the guide rail, the ray generating device and the ray receiving device are arranged on the sliding member, and the ray generating device and the ray receiving device slide along the guide rail with the sliding member.
3. The straightness detection device according to claim 2, characterized by The guide rail includes first guide rail and second guide rail, and the first guide rail and the second guide rail are arranged on the platform respectively, the sliding member includes first sliding block and second sliding block, the first sliding block moves along the first guide rail, the second sliding block moves along the second guide rail, and the ray generating device and the ray receiving device are arranged on the first sliding block and the second sliding block respectively.
4. The straightness detection device according to claim 3, characterized by Further comprising connecting member, the connecting member connects the first sliding block and the second sliding block.
5. The straightness detection apparatus according to claim 2, characterized by The guide rail is arranged on the back of the platform, the sliding member includes sliding block and connecting member fixedly connected with the sliding block, the sliding block slides along the guide rail, the connecting member is perpendicular to the guide rail, and the ray generating device and the ray receiving device are arranged at both ends of the connecting member respectively.
6. The straightness detection apparatus according to claim 1, characterized by The ray generating device and the ray receiving device include emitter and receiver of photoelectric switch respectively.
7. The straightness detection apparatus according to claim 1, characterized by The number of groups of the ray generating device and the ray receiving device is more than two, and they are arranged at intervals along the axis direction of the super-elasticity wire or the super-elasticity pipe material.
8. The straightness detecting apparatus according to any one of claims 1 to 7, characterized by Further comprising first lifting assembly and second lifting assembly, the first lifting assembly is arranged below the ray generating device, and the first lifting assembly is used to adjust the height of the ray generating device;The second lifting assembly is arranged below the ray receiving device, and the second lifting assembly is used to adjust the height of the ray receiving device.