CN219319343U

CN219319343U - Material table structure for bent needle detection

Info

Publication number: CN219319343U
Application number: CN202320059182.4U
Authority: CN
Inventors: 饶炎林; 洪阳威; 胡军
Original assignee: Changyuan Medical Precision Shenzhen Co ltd
Current assignee: Changyuan Medical Precision Shenzhen Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-07-07
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a material platform structure for bent needle detection, which is provided with a material discharging platform so as to be convenient for placing a bent needle clamped by the previous working procedure on the material platform. The setting of swager constructs, be convenient for compress tightly the curved needle of blowing platform, prevent that the curved needle from removing at will to can not influence follow-up mechanism and detect the curved needle. The setting of detection mechanism makes a video recording, can automated inspection curved needle straightness accuracy and angle of bending, judge whether the curved needle is qualified, compare with manual detection, its detection efficiency is high and the rate of accuracy is high, avoids unqualified curved needle to flow into next process, can guarantee curved needle quality, is favorable to improving product quality uniformity simultaneously.

Description

Material table structure for bent needle detection

Technical Field

The utility model relates to a material table structure for curved needle detection.

Background

The use of injection needles is quite common in the medical device industry. The injection needle is required to be bent at a certain angle according to the main body structure of the product to become a bent needle capable of being installed in the main body structure of the product. Before the curved needle is assembled, whether the straightness and the bending angle of the curved needle meet the production precision requirement or not needs to be judged, and the curved needle is assembled in a product after being judged to be qualified.

At present, the bending needle is detected by roughly judging the straightness and bending angle of the bending needle in a manual mode, the detection speed is low, and the labor cost is high; and the randomness of manual judgment is large, so that the consistency of the quality of the finally assembled product is poor. In addition, the manual judgment can also have the condition of inaccurate judgment, so that the unqualified bent needle flows into the next process, and the quality of the bent needle filled into the product is affected. In addition, for objects with smoother surfaces such as a needle body or a cylinder, the objects can move randomly during detection, and the detection effect is affected.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.

Disclosure of Invention

The utility model overcomes the defects of the technology and provides a material table structure for curved needle detection.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a material platform structure for looper detects, is including mount pad 1, be equipped with blowing platform 2 on the mount pad 1, be used for compressing tightly the swager mechanism 3 of the looper on the blowing platform 2, be located the camera shooting detection mechanism 4 that is used for detecting looper straightness accuracy and bending angle of blowing platform 2 below.

Preferably, the discharging platform 2 is provided with a limiting block 21, a stop block 22 and two open slots 23 which are distributed front and back, a limiting space 24 is formed between the two limiting blocks 21, a protruding portion 25 is formed between the two open slots 23 which are distributed front and back, and a magnet is arranged on the protruding portion 25.

Preferably, the bending part of the needle tube is suspended and placed on the open groove 23 when the needle tube is placed on the discharging platform 2.

Preferably, the pressing mechanism 3 comprises a rotating shaft fixing seat 31 fixedly connected to the mounting seat 1, a pressing plate 32 hinged to the rotating shaft fixing seat 31, a tension spring 33 capable of driving the pressing plate 32 to press downwards through self resilience force, and a driving assembly 34 for providing power for the pressing plate 32, the pressing plate 32 is in transmission connection with the driving assembly 34 through a cam assembly 35, a first hanging hole block 321 for hooking one end of the tension spring 33 is arranged on the pressing plate 32, and a second hanging hole block 11 positioned below the first hanging hole block 321 and used for hooking the other end of the tension spring 33 is arranged on the mounting seat 1.

Preferably, the driving assembly 34 includes a lifting cylinder 341 connected to the mounting base 1, and a movable block 342 driven by the lifting cylinder 341 to move up and down.

Preferably, the cam assembly 35 includes a cam follower 352 connected to the movable block 342 and capable of moving up and down, and a cam 351 connected to the pressing plate 32 and cooperatively disposed with the cam follower 352 to drive the pressing plate 32 to swing up and down together through a transmission, wherein the cam 351 is provided with a guide groove 3511 along which the cam follower 352 moves.

Preferably, the pressing plate 32 is formed by combining two pressing blocks 322 hinged with the rotating shaft fixing seat 31 respectively and a connecting rod 323 connected between the two pressing blocks 322, wherein one pressing block 322 is connected with an auxiliary pressing block 36 which extends forwards and backwards and is used for pressing the rest part of the curved needle.

Preferably, the image capturing detecting mechanism 4 includes an image capturing detecting camera 41 connected to the mounting base 1 and a light source 42 located right above the image capturing detecting camera 41 for polishing the curved needle.

Preferably, a curved needle taking and discharging mechanism 5 for clamping and placing the curved needle on the discharging platform 2 is arranged above the discharging platform 2.

Preferably, the looper picking and placing mechanism 5 comprises an adapter flange 51 connected with the external frame, a clamping jaw cylinder 52 connected with the adapter flange 51, and a clamping jaw 53 driven by the clamping jaw cylinder 52 to release/clamp the looper.

Compared with the prior art, the utility model has the beneficial effects that:

1. the setting of blowing platform to the curved needle that supplies to press from both sides to get from last process is placed on it. The setting of swager constructs, be convenient for compress tightly the curved needle of blowing platform, prevent that the curved needle from removing at will to can not influence follow-up mechanism and detect the curved needle. The setting of detection mechanism makes a video recording, can automated inspection curved needle straightness accuracy and angle of bending, judge whether the curved needle is qualified, compare with manual detection, its detection efficiency is high and the rate of accuracy is high, avoids unqualified curved needle to flow into next process, can guarantee curved needle quality, is favorable to improving product quality uniformity simultaneously.

2. The setting of stopper, dog, spacing space on the blowing platform to be convenient for limit the curved needle on the blowing platform according to the shape of curved needle. The magnet of the protruding part is arranged so as to be convenient for the magnet to attract the curved needle and prevent the curved needle from moving. The arrangement of the open slot is convenient for the bending part to be suspended and not blocked, so that the lower image pick-up detection mechanism can pick up and detect the needle tube.

3. This case the pivot fixing base of swager constructs, clamp plate, extension spring, setting, be convenient for the clamp plate can revolute the pivot of pivot fixing base and swing from top to bottom to can drive the clamp plate through resilience force and push down automatically after making it tensile through the effect of extension spring, so that with drive assembly and cam module cooperation and can press from both sides the curved needle on the blowing platform, the setting of extension spring can be difficult for causing the damage to curved needle surface when pushing down moreover. The lifting cylinder of the driving assembly is arranged so as to drive the cam follower connected to the movable block to move up and down and provide power for the pressing plate. The cam assembly is arranged so as to realize transmission through the cooperation of the cam and the cam follower, so that the pressing plate can swing up and down, the reliability is high, the linkage is good, and the stability of pressing plate pressing is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present case.

Fig. 2 is a schematic structural diagram of the discharging platform.

Fig. 3 is a schematic diagram of a partial structure of the present case.

Detailed Description

The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 3, a material platform structure for detecting a bent needle comprises a mounting seat 1, wherein a material discharging platform 2, a material pressing mechanism 3 for pressing the bent needle on the material discharging platform 2 and a camera shooting detection mechanism 4 for detecting the straightness and the bending angle of the bent needle, which are positioned below the material discharging platform 2, are arranged on the mounting seat 1.

As described above, the setting of the discharging platform 2 is described in this case, so that the curved needle clamped by the previous process is placed thereon. The setting of swager 3 is convenient for compress tightly the curved needle of blowing platform 2, prevents that the curved needle from removing at will to can not influence follow-up mechanism and detect the curved needle. The setting of detection mechanism 4 makes a video recording, can automated inspection curved needle straightness accuracy and angle of bending, judge whether the curved needle is qualified, compare with manual detection, its detection efficiency is high and the rate of accuracy is high, avoids unqualified curved needle to flow into next process, can guarantee curved needle quality, is favorable to improving product quality uniformity simultaneously.

As shown in fig. 2, in the implementation, the discharging platform 2 is provided with a limiting block 21, a stop block 22 and two open slots 23 distributed front and back, a limiting space 24 is formed between the two limiting blocks 21, a protruding portion 25 is formed between the two open slots 23 distributed front and back, and a magnet is arranged on the protruding portion 25. Wherein, the needle tube is placed on the open slot 23 in a suspended manner at the bending part of the discharging platform 2.

As described above, the limiting block 21, the stop block 22 and the limiting space 24 on the discharging platform 2 are arranged, so that the curved needle is limited on the discharging platform 2 according to the shape of the curved needle. The magnet of the protruding portion 25 is arranged so as to attract the curved needle magnetically and prevent the curved needle from moving. The open slot 23 is arranged, so that the bending part is suspended and is not blocked, and the lower image pick-up detection mechanism 4 can conveniently pick up and detect the needle tube.

As shown in fig. 3, in the embodiment, the pressing mechanism 3 includes a rotating shaft fixing seat 31 fixedly connected to the mounting base 1, a pressing plate 32 hinged to the rotating shaft fixing seat 31, a tension spring 33 capable of driving the pressing plate 32 to press downwards by self resilience force, and a driving component 34 for providing power for the pressing plate 32, the pressing plate 32 is in transmission connection with the driving component 34 through a cam component 35, a first hanging hole block 321 for hooking one end of the tension spring 33 is arranged on the pressing plate 32, and a second hanging hole block 11 positioned below the first hanging hole block 321 for hooking the other end of the tension spring 33 is arranged on the mounting base 1. Wherein, the rotation shaft fixing seat 31 is inserted with a rotation shaft.

As shown in fig. 1 and 3, the driving unit 34 includes a lifting cylinder 341 connected to the mounting base 1, and a movable block 342 driven by the lifting cylinder 341 to move up and down. The cam assembly 35 comprises a cam follower 352 which is connected to the movable block 342 and can move up and down, and a cam 351 which is connected to the pressing plate 32 and is matched with the cam follower 352 and can drive the pressing plate 32 to swing up and down together through a transmission effect, wherein the cam 351 is provided with a guide groove 3511 for the movement of the cam follower 352 along the guide groove.

In particular, when the lifting cylinder 341 drives the movable block 342 to move downwards, the movable block 342 drives the cam follower 352 to move downwards, and drives the cam 351 and the pressing plate 32 to swing upwards through the transmission function, and at this time, the tension spring 33 is stretched; when the lifting cylinder 341 drives the movable block 342 to move upwards but is in a state of not applying force, the movable block 342 drives the cam follower 352 to move upwards, and the cam 351 and the pressing plate 32 are driven to swing downwards through the transmission effect and are pressed against the upper surface of the looper through the resilience force after the tension spring 33 is stretched.

As described above, the setting of the rotating shaft fixing seat 31, the pressing plate 32, the tension spring 33 and the pressing mechanism 3 is convenient for the pressing plate 32 to swing up and down around the rotating shaft of the rotating shaft fixing seat 31, and the pressing plate 32 can be driven to automatically press down through the resilience force after being stretched by the action of the tension spring 33, so that the pressing plate can be matched with the driving assembly 34 and the cam assembly 35 to clamp the looper on the discharging platform 2, and the setting of the tension spring 33 is not easy to damage the surface of the looper during pressing. The lifting cylinder 51 of the driving assembly 34 is arranged so as to drive the cam follower 352 connected to the movable block 52 to move up and down, and power the pressing plate 32. The cam assembly 35 is arranged so as to realize a transmission effect through the cooperation of the cam 351 and the cam follower 352, so that the pressing plate 32 can swing up and down, the reliability is high, the linkage is good, and the stability of pressing the pressing plate 32 is guaranteed.

As shown in fig. 3, in the embodiment, the pressing plate 32 is formed by combining two pressing blocks 322 hinged with the rotating shaft fixing seat 31 respectively and a connecting rod 323 connected between the two pressing blocks 322, wherein one pressing block 322 is connected with an auxiliary pressing block 36 which extends forwards and backwards and is used for pressing the rest part of the curved needle. Thus, the different parts of the curved needle can be conveniently pressed.

As shown in fig. 1, the image capturing detection mechanism 4 includes an image capturing detection camera 41 connected to the mounting base 1, and a light source 42 for illuminating the curved needle directly above the image capturing detection camera 41. Thus, the curved needle on the discharging platform 2 is conveniently subjected to image pickup detection, and the judgment of the straightness and the bending angle of the curved needle by the image pickup detection camera 41 is facilitated. In specific implementation, the bent needle is processed to form a bending angle through the front end process, and the camera 41 needs to detect whether the bending angle meets the precision requirement; for example, the bending requirement of the looper is 90 degrees, the precision requirement is 1 degree, and if the detection angle is less than 89 degrees or more than 91 degrees, the looper is judged to be unqualified. Meanwhile, the camera 41 detects the straightness of the curved needle, and if one of the two types of detection is failed, the two types of detection are judged to be failed.

As shown in fig. 1, in the implementation, a curved needle taking and discharging mechanism 5 for clamping and placing a curved needle on the discharging platform 2 is arranged above the discharging platform 2. The looper taking and discharging mechanism 5 comprises an adapter flange 51 connected with an external frame, a clamping jaw cylinder 52 connected to the adapter flange 51, and a clamping jaw 53 driven by the clamping jaw cylinder 52 to loosen/clamp the looper. So, in order to press from both sides the curved needle that comes from the last process and get and place on the assigned position of blowing platform 2, its degree of automatic introduction is high, can guarantee the detection position of putting at every turn unanimously, is favorable to improving detection precision.

As described above, the present disclosure protects a material table structure for curved needle detection, and all technical schemes identical or similar to the present disclosure should be shown as falling within the protection scope of the present disclosure.

Claims

1. A material platform structure for bent needle detection comprises a mounting seat (1), and is characterized in that a discharging platform (2), a material pressing mechanism (3) for pressing a bent needle on the discharging platform (2) and a shooting detection mechanism (4) which is positioned below the discharging platform (2) and used for detecting the straightness and bending angle of the bent needle are arranged on the mounting seat (1).

2. The material table structure for curved needle detection according to claim 1, characterized in that the material discharging platform (2) is provided with a limiting block (21), a stop block (22) and two open slots (23) which are distributed back and forth, a limiting space (24) is formed between the two limiting blocks (21), a protruding part (25) is formed between the two open slots (23) which are distributed back and forth, and a magnet is arranged on the protruding part (25).

3. A material table structure for curved needle detection according to claim 2, characterized in that the bending part of the needle tube is suspended on the open slot (23) when the needle tube is placed on the material placing platform (2).

4. The material platform structure for bent needle detection according to claim 1, characterized in that the material pressing mechanism (3) comprises a rotating shaft fixing seat (31) fixedly connected to the mounting seat (1), a pressing plate (32) hinged to the rotating shaft fixing seat (31), a tension spring (33) capable of driving the pressing plate (32) to press downwards through self resilience force, and a driving assembly (34) for providing power for the pressing plate (32), the pressing plate (32) is in transmission connection with the driving assembly (34) through a cam assembly (35), a first hanging hole block (321) for hooking one end of the tension spring (33) is arranged on the pressing plate (32), and a second hanging hole block (11) positioned below the first hanging hole block (321) and used for hooking the other end of the tension spring (33) is arranged on the mounting seat (1).

5. A material table structure for curved needle detection according to claim 4, characterized in that the driving assembly (34) comprises a lifting cylinder (341) connected to the mounting base (1), and a movable block (342) driven by the lifting cylinder (341) to move up and down.

6. A material table structure for curved needle detection according to claim 5, characterized in that the cam assembly (35) comprises a cam follower (352) connected to the movable block (342) and capable of moving up and down, and a cam (351) connected to the pressing plate (32) and cooperating with the cam follower (352) to drive the pressing plate (32) to swing up and down together through transmission, the cam (351) being provided with a guide groove (3511) along which the cam follower (352) moves.

7. A material stage structure for curved needle detection according to any of claims 4-6, characterized in that the pressing plate (32) is composed of two pressing blocks (322) hinged with the rotating shaft fixing seat (31) respectively and a connecting rod (323) connected between the two pressing blocks (322), wherein one pressing block (322) is connected with an auxiliary pressing block (36) extending forwards and backwards for pressing the rest of the curved needle.

8. A material table structure for curved needle detection according to claim 1, characterized in that the image pick-up detection mechanism (4) comprises an image pick-up detection camera (41) connected to the mounting base (1) and a light source (42) located right above the image pick-up detection camera (41) for polishing the curved needle.

9. The material platform structure for bent needle detection according to claim 1, characterized in that a bent needle taking and discharging mechanism (5) for clamping and placing the bent needle on the material platform (2) is arranged above the material platform (2).

10. A material table structure for curved needle detection according to claim 9, characterized in that the curved needle picking and placing mechanism (5) comprises an adapter flange (51) connected with an external frame, a clamping jaw cylinder (52) connected with the adapter flange (51), and a clamping jaw (53) driven by the clamping jaw cylinder (52) to release/clamp the curved needle.