Puncture needle grinding equipment with finished product detection function and machining method

Abstract

The invention discloses puncture needle grinding equipment with a finished product detection function and a machining method, and relates to the technical field of puncture needle grinding. Comprising a support pedestal, a polishing detection assembly, a progressive assembly, a fixed detection assembly and an intelligent adjusting assembly, thrust of a push head is converted into pressure change in a compression cavity through a detector, then the pressure change is converted into extrusion on a piezoelectric element, the piezoelectric element generates an electric signal, and a control system controls the polishing detection assembly to rotate according to the attenuation time of the electric signal. The sharp degree of the needle head of the puncture needle is judged according to data such as the initial speed during attenuation, intelligent detection of the finished puncture needle is achieved, when the puncture needle is unqualified, secondary grinding is conducted on the puncture needle, secondary machining of the unqualified puncture needle is achieved, and the intelligent production yield of the puncture needle is increased; and the control system drives the fixed detection assembly to deflect at a corresponding angle through the adjusting assembly, so that the aims of multi-angle intelligent adjustment and processing of the needle point of the puncture needle are fulfilled.

Description

Technical Field

[0001] The invention relates to the technical field of puncture needle grinding, in particular to a puncture needle grinding device with a finished product detection function and a processing method. Background Art

[0002] The puncture needle grinding equipment plays a vital role in the manufacture of medical devices. Through high-precision grinding technology, it ensures that the needle tip of the puncture needle meets extremely high precision requirements, and can achieve precise control in terms of diameter, length, angle, curve trajectory, etc. The puncture grinding equipment grinds the surface of the puncture needle, improves the smoothness of the needle tip, reduces friction with the tissue, and further reduces the pain of the patient. At the same time, the equipment also has an automated and intelligent production method, which significantly improves production efficiency and reduces production costs, bringing a more efficient and economical production method to the medical device manufacturing industry.

[0003] However, there are still many shortcomings and defects in the puncture needle grinding equipment. Most of the grinding equipment on the market has a low level of intelligence and can only grind a single group of puncture needles, resulting in low production efficiency. Although some equipment can grind multiple groups of puncture needles, the processing accuracy cannot be guaranteed. In addition, the puncture needle grinding equipment on the market cannot detect the finished products after processing, and cannot guarantee the yield rate of the finished puncture needles. Summary of the invention

[0004] The purpose of the present invention is to provide a puncture needle grinding device with a finished product detection function to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a puncture needle grinding device with a finished product detection function, including a support base, a progressive component installed on the support base, an intelligent adjustment component installed on the support base, a grinding detection component installed on the top of the support base, a plurality of fixed detection components slidably installed on the intelligent adjustment component, and the fixed detection component is slidably connected with the progressive component; the progressive component includes a progressive motor and a progressive disk, the progressive motor is installed on the support base, a progressive gear is installed on the output shaft of the progressive motor, the progressive disk is rotatably installed on the support base, and the progressive gear is meshed with the progressive disk for transmission; the progressive disk is provided with a plurality of arc grooves and gear teeth, the progressive disk is slidably connected with the fixed detection component through the arc groove, and the progressive disk is meshed with the progressive gear for transmission through the gear teeth. A control system is installed in the support base, and the control system is used to control the entire grinding device.

[0006] After the grinding angle adjustment of the puncture needle is completed, the control system starts the progressive motor, the progressive motor drives the progressive gear to rotate, the progressive gear drives the progressive disk to rotate, and the progressive disk drives the transmission column to rotate. Since the fixed frame is slidably installed in the sliding groove, the transmission column cannot drive the fixed frame to rotate. The fixed frame converts the rotation into sliding along the sliding groove. As the progressive disk rotates, the fixed frame drives the puncture needle to gradually approach the grinding roller.

[0007] The intelligent adjustment component includes a bottom tray and an adjustment motor. The bottom tray is installed on a bracket base. An adjustment gear ring is rotatably installed on the bottom end of the bottom tray. The adjustment motor is installed on the bracket base. An adjustment gear is installed on the output shaft of the adjustment motor. The adjustment gear is meshed with the adjustment gear ring for transmission. An adjustment piece is rotatably installed on the bottom tray. The adjustment piece is meshed with the adjustment gear ring for transmission. The fixed detection component is slidably installed on the adjustment piece. A semicircular groove is provided on the bottom tray. The adjustment gear ring is provided with internal teeth and external teeth. The adjustment gear ring is meshed with the adjustment piece through the internal teeth for transmission, and the adjustment gear ring is meshed with the adjustment gear ring for transmission through the external teeth.

[0008] The adjusting member is provided with a sliding groove, the fixed detection component is slidably installed in the sliding groove, the adjusting member is provided with a tooth groove, the internal teeth and the tooth groove are meshed for transmission, and a sliding column is installed on the adjusting member, and the sliding column is slidably connected with the semicircular groove.

[0009] The fixed detection component includes a fixed frame, a detection hole is provided on the fixed frame, fixed slide bars are installed at the bottom and top of the fixed frame, a plurality of support rings are provided on the fixed frame, holes are provided on the support rings, bottom slide holes are symmetrically provided at the bottom end of the fixed frame, a bottom rotating rod is installed at the bottom end of the fixed frame, a front support rod is installed on the fixed frame, a plurality of brackets are provided on the front support rod, a transmission column is installed on the fixed frame, a bottom slide block is provided at the bottom end of the fixed frame, and the fixed frame is slidably installed on the slide groove through the bottom slide block.

[0010] The fixed detection assembly also includes a detector, a transmission assembly, a limit plate and a clamping assembly. The detector is installed in the detection hole, the clamping assembly is installed on the fixed frame, the limit plate is slidably installed on the fixed slide rod, a limit spring is installed between the limit slide plate and the fixed frame, a first spring is installed on the fixed frame, a push head is installed at one end of the first spring, a hole groove is provided in the center of the push head, the hole groove is used to engage with the end of the puncture needle, the transmission assembly is rotatably installed on the bottom rotating rod, and the transmission assembly is rotatably connected to the limit plate; the clamping assembly includes an electric telescopic rod, the output shaft of the electric telescopic rod passes through the fixed frame and is installed with a clamping block, the clamping block is slidably connected to the top of the fixed frame, a transmission claw is installed at the bottom end of the clamping block, and a transmission wheel is rotatably installed on the transmission claw.

[0011] The puncture needle is passed through the holes in the bracket and the support ring so that the end of the puncture needle is engaged with the hole groove at the center of the push head. The bracket lifts the front end of the puncture needle to prevent the front end of the puncture needle from being unstable due to being suspended in the air during grinding, and the support ring supports the rear end of the puncture needle. After the puncture needle is installed, the control system turns on the electric telescopic rod, and the output shaft of the electric telescopic rod drives the two clamping blocks to move closer together. The clamping blocks move closer together and clamp the puncture needle. When the clamping blocks are close to each other, they drive the transmission wheels on the bottom transmission claws to move closer together. When the transmission wheels are close, the slopes on both sides of the transmission slider are adjusted. When the cam is pressed against the locking plate, the locking plate is moved upwards, and the locking plate is engaged with the locking cam, and the locking cam is engaged with the locking cam, and the locking cam is engaged with the locking cam.

[0012] Under normal conditions, the upper and lower centers of the holes on the transmission column and the adjusting part are aligned, the control system turns on the adjusting motor, the adjusting motor output shaft drives the adjusting gear to rotate, the adjusting gear drives the adjusting gear ring to rotate, the adjusting gear ring drives the adjusting part to deflect, the adjusting part drives the entire fixed detection assembly to deflect around the center line of the transmission column, the puncture needle deflects along with the fixed detection assembly, and after the deflection, the angle between the puncture needle and the grinding roller is deflected. During grinding, due to the different angles between the puncture needle and the grinding roller, the angle of the needle tip bevel after grinding is also different. The control system deflects the adjusting part at a corresponding angle according to the processing requirements of the puncture needle tip angle, thereby achieving the purpose of multi-angle processing of the puncture needle tip.

[0013] A sliding hole is provided on the limit plate, and a sliding ring is provided on the limit plate. The limit plate is slidably installed on the fixed sliding rod through the sliding ring. A limiting rotating rod is provided at the bottom end of the limit plate, and the limit plate is rotatably connected to the transmission assembly through the limiting rotating rod; the transmission assembly includes a transmission slider and a transmission rotating rod. The transmission slider is rotatably connected to one end of the transmission rotating rod, and the transmission rotating rod is rotatably installed on the bottom rotating rod. The transmission slider is symmetrically provided with slopes, and the other end of the transmission rotating rod is rotatably connected to the limit plate through the limiting rotating rod. Sliding rods are symmetrically provided at the bottom end of the transmission slider, and the sliding rods are slidably installed in the bottom sliding hole.

[0014] The detector includes a detection shell, which is installed in the detection hole. A piezoelectric element is installed in the detection shell. An inner slider is slidably installed in the detection shell. An outer slider is slidably installed in the detection shell. A compression chamber is formed between the inner slider and the outer slider, and the compression chamber is filled with a compression medium.

[0015] The control system controls the clamping assembly to reset, the clamping block separates, and the clamping of the puncture needle is disconnected, so that the puncture needle can slide in the hole of the bracket and the support ring. At the same time, the transmission wheel follows the clamping block to separate, and no longer squeezes the transmission slider. The lifting force of the transmission assembly on the limit plate disappears. Under the action of the elastic force of the limit spring, the limit plate slides downward and resets, and the sliding hole is aligned with the push head. The control system restarts the progressive assembly, and the progressive assembly drives the fixed frame to move. The fixed frame drives the puncture needle to approach the detection body and gradually penetrate into the detection body. When the needle enters the detection body, the detection body applies damping to the needle, and the needle is subjected to resistance and produces relative displacement with the fixed frame. The end of the puncture needle pushes the push head to slide, and the push head overcomes the elastic force of the first spring to slide and pass through the sliding hole. The push head pushes the outer slider, and the outer slider slides in the detection shell after being squeezed. The sliding of the outer slider causes the compressed medium in the compression chamber to be squeezed, and the pressure in the compression chamber increases, and the inner slider slides and squeezes due to pressure Piezoelectric element, the piezoelectric element generates electric charge when under pressure, and the charge is transmitted to the control system through the wire. When the puncture needle moves a preset distance, the progressive component is closed. At this time, under the action of the first spring tension, the push head continues to squeeze the end of the puncture needle, and the puncture needle continues to slowly penetrate into the detection body. As the puncture needle further enters the detection body, the squeezing force of the push head on the outer slider gradually decays. The decay of the squeezing force reduces the squeezing force on the piezoelectric element, thereby causing the electrical signal received by the control system to gradually weaken until it returns to zero. The sharper the puncture needle, the shorter the time it takes to penetrate the detection body, and the shorter the time it takes for the corresponding electrical signal to decay and return to zero. The control system determines the sharpness of the puncture needle tip based on the decay time of the electrical signal and the initial speed at decay, thereby realizing the finished product detection of the puncture needle. When it is unqualified, the previous operation is repeated to grind the puncture needle for the second time, thereby realizing the secondary grinding of the unqualified puncture needle and improving the qualified rate of the intelligent production of puncture needles.

[0016] The grinding detection device includes a cylinder, which is mounted on a support base, a drive motor is mounted on the cylinder output shaft, a detection body is mounted on the drive motor output shaft, a connector is mounted at the bottom of the detection body, a grinding roller is mounted at the bottom of the connector, and the detection body is made of a flexible material. The flexible material used in the detection body is a flexible damping material, and when the needle penetrates the detection body, damping is applied to the needle.

[0017] The control system turns on the drive motor, and the output shaft of the drive motor drives the grinding roller to rotate through the connecting piece. The grinding roller grinds multiple groups of puncture needles synchronously. During grinding, the setting of the bracket makes the front end of the puncture needle stable, and it will not produce excessive deformation and jitter due to contact with the grinding roller, thereby improving the stability of grinding; after grinding, the control system controls the progressive component and the fixed detection component to reset, and then controls the intelligent adjustment component to reset the deflected adjustment part, so that the puncture needle points to the center line of the detection object. The control system turns on the cylinder, and the output shaft of the cylinder drives the drive motor to descend. The drive motor drives the detection object to descend through the connecting piece until the detection object is aligned with the puncture needle.

[0018] A puncture needle processing method with a finished product detection function comprises the following steps:

[0019] S1, fix the puncture needle;

[0020] S2. Adjust the angle of the puncture needle;

[0021] S3, grinding the puncture needle;

[0022] S4. Test the quality of finished products.

[0023] Step S1 includes the following specific steps:

[0024] S101, placing the puncture needle on the fixed detection component, and clamping and fixing the puncture needle using the fixed detection component;

[0025] Step S2 includes the following specific steps:

[0026] S201, using the intelligent adjustment component to adjust the angle of the fixed detection component, so that the fixed detection component drives the puncture needle to deflect the angle;

[0027] Step S3 includes the following specific steps:

[0028] S301, using the progressive component to drive the fixed detection component to move on the intelligent adjustment component, the fixed detection component drives the puncture needle to approach the grinding detection component, and the grinding detection component is used to grind the puncture needle;

[0029] Step S4 includes the following specific steps:

[0030] S401. After grinding, the fixed detection component is reset, and then the fixed detection component and the grinding detection component are used to cooperate with each other to detect the finished puncture needle. If the test result is qualified, the grinding and finished product inspection of the puncture needle are completed; if the test result is unqualified, repeat the previous steps and use the grinding detection component to grind the unqualified puncture needle for a second time until the test is qualified.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. Use the progressive disc to synchronously drive multiple groups of puncture needles close to the grinding roller to ensure the consistency of the puncture needle feeding and the accuracy of grinding; the control system can drive the fixed detection component to deflect to the corresponding angle through the adjustment component according to the processing requirements of the puncture needle tip angle, thereby achieving the purpose of multi-angle intelligent adjustment and processing of the puncture needle tip.

[0033] 2. The setting of the bracket makes the front end of the puncture needle stable and will not produce excessive deformation and shaking due to contact with the grinding roller, thereby improving the stability of grinding. The cylinder is used to switch the grinding or detection state of the grinding and detection component.

[0034] 3. Use the progressive component to drive the needle into the detection body, convert the resistance of the needle into the sliding of the push head, and then use the push head to trigger the detector, use the detector to convert the thrust of the push head into the change of pressure in the compression chamber, and then convert the change of pressure into the squeezing of the piezoelectric element, so that the piezoelectric element generates an electrical signal. The control system determines the sharpness of the puncture needle according to the attenuation time of the electrical signal and the initial speed at the time of attenuation, thereby realizing the intelligent detection of the finished puncture needle. When it is unqualified, the puncture needle is ground twice, thereby realizing the secondary processing of the unqualified puncture needle and improving the intelligent production yield of the puncture needle.

[0035] 4. A group of puncture needles can be installed on each fixing frame. The setting of multiple fixing frames can grind multiple groups of puncture needles at the same time, which increases the number of puncture needles to be processed and improves production efficiency; the front bracket and the support ring are used to support the front and rear ends of the puncture needles, and the bracket holds up the front end of the puncture needle to prevent the puncture needle from being unstable due to suspension during grinding; the clamping assembly is used to fix and clamp multiple puncture needles. During the clamping process, the movement of the clamping block is used to drive the transmission wheel to squeeze the transmission assembly, so that the transmission assembly drives the limit plate to move up, so as to achieve the purpose of limiting the push head. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is an overall stereogram of the grinding device of the present invention;

[0037] Figure 2 is a three-dimensional diagram of the grinding device of the present invention;

[0038] Figure 3 A three-dimensional diagram of the intelligent adjustment component of the present invention;

[0039] Figure 4 A three-dimensional diagram of a fixed detection assembly of the present invention;

[0040] Figure 5 is a three-dimensional diagram of the adjusting member of the present invention;

[0041] Figure 6 is a cross-sectional view of a fixed detection assembly of the present invention;

[0042] Figure 7 For the present invention Figure 6 A partial enlarged view of the middle A area;

[0043] Figure 8 is a three-dimensional diagram of the fixing frame of the present invention;

[0044] Fig. 9A three-dimensional diagram of a limiting plate of the present invention;

[0045] Fig.10 is a three-dimensional diagram of the transmission assembly of the present invention;

[0046] Fig.11 It is a three-dimensional diagram of the detector of the present invention.

[0047] In the figure: 1. bracket base; 2. grinding detection component; 3. progressive component; 4. fixed detection component; 5. intelligent adjustment component; 21. cylinder; 22. drive motor; 23. detection body; 24. connecting piece; 25. grinding roller; 31. progressive motor; 32. progressive gear; 33. progressive plate; 51. bottom tray; 52. adjustment motor; 53. adjustment gear; 54. adjustment gear ring; 55. adjustment piece; 541. inner teeth; 542. outer teeth; 511. semicircular groove; 331. arc groove; 332. gear teeth; 551. sliding groove; 552. slide column; 553. tooth groove; 41. fixed frame; 42. detector; 43. transmission component; 44. clamping component ; 45. limit plate; 46. first spring; 47. push head; 48. limit spring; 441. clamp; 442. electric telescopic rod; 443. transmission claw; 444. transmission wheel; 431. transmission slider; 432. sliding rod; 433. transmission rotating rod; 451. sliding hole; 452. limit rotating rod; 453. sliding ring; 421. detection shell; 422. outer slider; 423. compression chamber; 424. inner slider; 425. piezoelectric element; 411. transmission column; 412. detection hole; 413. fixed sliding rod; 414. supporting ring; 415. front support rod; 416. bracket; 417. bottom slider; 418. bottom sliding hole; 419. bottom rotating rod. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] like Figure 1-Figure 11As shown, the present invention provides a technical solution for a puncture needle grinding device with a finished product detection function: it includes a bracket base 1, a progressive component 3 is installed on the bracket base 1, an intelligent adjustment component 5 is installed on the bracket base 1, a grinding detection component 2 is installed on the top of the bracket base 1, and a plurality of fixed detection components 4 are slidably installed on the intelligent adjustment component 5, and the fixed detection component 4 is slidably connected with the progressive component 3; the progressive component 3 includes a progressive motor 31 and a progressive disk 33, the progressive motor 31 is installed on the bracket base 1, a progressive gear 32 is installed on the output shaft of the progressive motor 31, the progressive disk 33 is rotatably installed on the bracket base 1, and the progressive gear 32 is meshed with the progressive disk 33 for transmission; the progressive disk 33 is provided with a plurality of arc grooves 331 and gear teeth 332, the progressive disk 33 is slidably connected with the fixed detection component 4 through the arc grooves 331, and the progressive disk 33 is meshed with the progressive gear 32 for transmission through the gear teeth 332.

[0050] A control system is installed in the support base 1, and the control system is used to control the entire grinding equipment.

[0051] The intelligent adjustment component 5 includes a bottom tray 51 and an adjustment motor 52. The bottom tray 51 is installed on the bracket base 1. An adjustment gear ring 54 is rotatably installed at the bottom end of the bottom tray 51. The adjustment motor 52 is installed on the bracket base 1. An adjustment gear 53 is installed on the output shaft of the adjustment motor 52. The adjustment gear 53 is meshed with the adjustment gear ring 54 for transmission. An adjustment member 55 is rotatably installed on the bottom tray 51. The adjustment member 55 is meshed with the adjustment gear ring 54 for transmission. The fixed detection component 4 is slidably installed on the adjustment member 55. A semicircular groove 511 is provided on the bottom tray 51; the adjustment gear ring 54 is provided with inner teeth 541 and outer teeth 542. The adjustment gear ring 54 is meshed with the adjustment member 55 through the inner teeth 541 for transmission, and the adjustment gear ring 54 is meshed with the adjustment gear ring 54 through the outer teeth 542 for transmission.

[0052] The adjusting member 55 is provided with a sliding groove 551 , in which the fixed detection assembly 4 is slidably installed. The adjusting member 55 is provided with a tooth groove 553 , and the inner teeth 541 mesh with the tooth groove 553 for transmission. The adjusting member 55 is provided with a sliding column 552 , which is slidably connected to the semicircular groove 511 .

[0053] The fixed detection component 4 includes a fixed frame 41, which is provided with a detection hole 412, a fixed slide bar 413 is installed at the bottom and top of the fixed frame 41, a plurality of support rings 414 are provided on the fixed frame 41, and holes are provided on the support rings 414, bottom slide holes 418 are symmetrically provided at the bottom end of the fixed frame 41, a bottom rotating rod 419 is installed at the bottom end of the fixed frame 41, a front support rod 415 is installed on the fixed frame 41, and a plurality of brackets 416 are provided on the front support rod 415, a transmission column 411 is installed on the fixed frame 41, and a bottom slide block 417 is provided at the bottom end of the fixed frame 41, and the fixed frame 41 is slidably installed on the slide groove 551 through the bottom slide block 417.

[0054] The fixed detection assembly 4 also includes a detector 42, a transmission assembly 43, a limit plate 45 and a clamping assembly 44. The detector 42 is installed in the detection hole 412, the clamping assembly 44 is installed on the fixed frame 41, the limit plate 45 is slidably installed on the fixed slide bar 413, a limit spring 48 is installed between the limit slide plate and the fixed frame 41, a first spring 46 is installed on the fixed frame 41, a push head 47 is installed at one end of the first spring 46, and a hole groove is provided in the center of the push head 47, which is used to engage with the end of the puncture needle. The transmission assembly 43 is rotatably installed on the bottom rotating rod 419, and the transmission assembly 43 is rotatably connected to the limit plate 45; the clamping assembly 44 includes an electric telescopic rod 442, the output shaft of the electric telescopic rod 442 passes through the fixed frame 41 and is installed with a clamping block 441, the clamping block 441 is slidably connected to the top of the fixed frame 41, and a transmission claw 443 is installed at the bottom of the clamping block 441, and a transmission wheel 444 is rotatably installed on the transmission claw 443.

[0055] A sliding hole 451 is provided on the limit plate 45, and a sliding ring 453 is provided on the limit plate 45. The limit plate 45 is slidably installed on the fixed slide rod 413 through the sliding ring 453. A limit rotating rod 452 is provided at the bottom end of the limit plate 45, and the limit plate 45 is rotatably connected to the transmission assembly 43 through the limit rotating rod 452; the transmission assembly 43 includes a transmission slider 431 and a transmission rotating rod 433, the transmission slider 431 is rotatably connected to one end of the transmission rotating rod 433, and the transmission rotating rod 433 is rotatably installed on the bottom rotating rod 419, and the transmission slider 431 is symmetrically provided with slopes, and the other end of the transmission rotating rod 433 is rotatably connected to the limit plate 45 through the limit rotating rod 452, and the bottom end of the transmission slider 431 is symmetrically provided with sliding rods 432, and the sliding rod 432 is slidably installed in the bottom sliding hole 418.

[0056] The grinding detection device includes a cylinder 21, which is mounted on the support base 1, a drive motor 22 is mounted on the output shaft of the cylinder 21, a detection body 23 is mounted on the output shaft of the drive motor 22, a connector 24 is mounted on the bottom end of the detection body 23, a grinding roller 25 is mounted on the bottom end of the connector 24, and the detection body 23 is made of a flexible material. The flexible material used in the detection body 23 is a flexible damping material, and when the needle pierces the detection body 23, damping is applied to the needle.

[0057] The detector 42 includes a detection shell 421, which is installed in the detection hole 412. A piezoelectric element 425 is installed in the detection shell 421. An inner slider 424 is slidably installed in the detection shell 421. An outer slider 422 is slidably installed in the detection shell 421. A compression chamber 423 is formed between the inner slider 424 and the outer slider 422, and the compression chamber 423 is filled with a compression medium.

[0058] A puncture needle processing method with a finished product detection function comprises the following steps:

[0059] S1, fix the puncture needle;

[0060] S2. Adjust the angle of the puncture needle;

[0061] S3, grinding the puncture needle;

[0062] S4. Test the quality of finished products.

[0063] Step S1 includes the following specific steps: S101, placing the puncture needle on the fixed detection component 4, and clamping and fixing the puncture needle using the fixed detection component 4;

[0064] Step S2 includes the following specific steps: S201, using the intelligent adjustment component 5 to adjust the angle of the fixed detection component 4, and the fixed detection component 4 drives the puncture needle to deflect the angle;

[0065] Step S3 includes the following specific steps: S301, using the progressive component 3 to drive the fixed detection component 4 to move on the intelligent adjustment component 5, the fixed detection component 4 drives the puncture needle to approach the grinding detection component 2, and the grinding detection component 2 is used to grind the puncture needle;

[0066] Step S4 includes the following specific steps: S401, after grinding is completed, the fixed detection component 4 is reset, and then the fixed detection component 4 and the grinding detection component 2 are used to cooperate with each other to detect the finished puncture needle. If the test result is qualified, the grinding and finished product inspection of the puncture needle are completed; if the test result is unqualified, repeat the previous steps and use the grinding detection component 2 to grind the unqualified puncture needle for the second time until the test is qualified.

[0067] The working principle of the present invention is as follows: the puncture needle is passed through the holes in the bracket 416 and the supporting ring 414, so that the end of the puncture needle is engaged with the hole groove at the center of the push head 47, the bracket 416 lifts the front end of the puncture needle to prevent the front end of the puncture needle from being unstable due to being suspended in the air during grinding, and the supporting ring 414 supports the rear end of the puncture needle; after the puncture needle is installed, the control system turns on the electric telescopic rod 442, and the output shaft of the electric telescopic rod 442 drives the two clamping blocks 441 to move closer, the clamping blocks 441 move closer and clamp the puncture needle, and when the clamping blocks 441 are close to each other, they respectively drive the transmission wheels 444 on the bottom transmission claws 443 to move closer to each other, and when the transmission wheels 444 are close, the slopes on both sides of the transmission slider 431 are adjusted. The transmission bevel is squeezed and slides downward along the sliding rod 432 after being squeezed, and the transmission slider 431 drives the end of the transmission rod connected to it to move downward, so that the transmission rotating rod 433 rotates around the bottom rotating rod 419, and the end of the bottom rotating rod 419 connected to the limiting plate 45 is lifted upward, driving the limiting plate 45 to slide upward along the fixed sliding rod 413. In the initial state, the sliding hole 451 corresponds to the position of the push head 47, and the push head 47 can move and pass through the sliding hole 451. As the limiting plate 45 slides upward, the sliding hole 451 slides away from its original position, and the position of the push head 47 and the sliding hole 451 are offset. The limiting plate 45 resists the push head 47, so that the push head 47 cannot move backward, thereby realizing the limitation of the push head 47.

[0068] Under normal conditions, the transmission column 411 is aligned with the upper and lower centers of the holes on the adjustment member 55, the control system turns on the adjustment motor 52, the output shaft of the adjustment motor 52 drives the adjustment gear 53 to rotate, the adjustment gear 53 drives the adjustment gear ring 54 to rotate, the adjustment gear ring 54 drives the adjustment member 55 to deflect, the adjustment member 55 drives the entire fixed detection assembly 4 to deflect around the center line of the transmission column 411, the puncture needle deflects along with the fixed detection assembly 4, after the deflection, the angle between the puncture needle and the grinding roller 25 is deflected, during grinding, due to the different angles between the puncture needle and the grinding roller 25, the angle of the needle tip bevel after grinding is also different, the control system deflects the adjustment member 55 at a corresponding angle according to the processing requirements of the puncture needle tip angle, thereby achieving the purpose of multi-angle processing of the puncture needle tip.

[0069] After the grinding angle of the puncture needle is adjusted, the control system starts the progressive motor 31, the progressive motor drives the progressive gear 32 to rotate, the progressive gear 32 drives the progressive disk 33 to rotate, and the progressive disk 33 drives the transmission column 411 to rotate. Since the fixed frame 41 is slidably installed in the sliding groove 551, the transmission column 411 cannot drive the fixed frame 41 to rotate, and the fixed frame 41 converts the rotation into sliding along the sliding groove 551. As the progressive disk 33 rotates, the fixed frame 41 drives the puncture needle to gradually approach the grinding roller 25.

[0070] The control system turns on the drive motor 22, and the output shaft of the drive motor 22 drives the grinding roller 25 to rotate through the connecting piece 24. The grinding roller 25 grinds multiple groups of puncture needles synchronously. During grinding, the setting of the bracket 416 makes the front end of the puncture needle stable, and will not produce excessive deformation and jitter due to contact with the grinding roller 25, thereby improving the stability of grinding; after grinding, the control system controls the progressive component 3 and the fixed detection component 4 to reset, and then controls the intelligent adjustment component 5 to reset the deflected adjustment member 55, so that the puncture needle points to the center line of the detection body 23, and the control system turns on the cylinder 21, and the output shaft of the cylinder 21 drives the drive motor 22 to descend, and the drive motor 22 drives the detection body 23 to descend through the connecting piece 24 until the detection body 23 is aligned with the puncture needle.

[0071] The control system controls the clamping assembly 44 to reset, the clamping block 441 to separate, and the clamping of the puncture needle is disconnected, so that the puncture needle can slide in the hole of the bracket 416 and the supporting ring 414. At the same time, the transmission wheel 444 follows the separation of the clamping block 441, and no longer squeezes the transmission slider 431. The lifting force of the transmission assembly 43 on the limit plate 45 disappears. Under the action of the elastic force of the limit spring 48, the limit plate 45 slides downward and resets, and the sliding hole 451 is aligned with the push head 47. The control system restarts the progressive assembly 3, and the progressive assembly 3 drives the fixed frame 41 to move The fixing frame 41 drives the puncture needle to approach the detection body 23 and gradually penetrate into the detection body 23. When the needle enters the detection body 23, the detection body 23 applies damping to the needle. The needle is subjected to resistance and produces relative displacement with the fixing frame 41. The end of the puncture needle pushes the push head 47 to slide. The push head 47 overcomes the elastic force of the first spring 46 and slides through the sliding hole 451. The push head 47 pushes the outer slider 422. After being squeezed, the outer slider 422 slides in the detection shell 421. The sliding of the outer slider 422 squeezes the compressed medium in the compression chamber 423, compressing The pressure in the chamber 423 increases, and the inner slider 424 slides under the pressure and squeezes the piezoelectric element 425. The piezoelectric element 425 generates an electric charge under pressure, and the electric charge is transmitted to the control system through the wire. When the puncture needle moves a preset distance, the progressive component 3 is closed. At this time, under the pulling force of the first spring 46, the push head 47 continues to squeeze the end of the puncture needle, and the puncture needle continues to slowly penetrate into the detection body 23. As the puncture needle further enters the detection body 23, the squeezing force of the push head 47 on the outer slider 422 gradually decays, and the squeezing force decays, causing the piezoelectric element 42 5 is subjected to a reduced squeezing force, so that the electric signal received by the control system is gradually weakened until it returns to zero. The sharper the puncture needle is, the shorter the time it takes to penetrate the detection body 23, and the shorter the time it takes for the corresponding electric signal to decay and return to zero. The control system determines the sharpness of the puncture needle tip according to the decay time of the electric signal and the initial speed during decay, thereby realizing the finished product inspection of the puncture needle. If it is unqualified, the previous operation is repeated to grind the puncture needle for the second time, thereby realizing the secondary grinding of the unqualified puncture needle and improving the qualified rate of the intelligent production of puncture needles.

[0072] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A puncture needle grinding device with a finished product detection function, characterized in that: The grinding device comprises a support base (1), a progressive component (3) is installed on the support base (1), an intelligent adjustment component (5) is installed on the support base (1), a grinding detection component (2) is installed on the top of the support base (1), a plurality of fixed detection components (4) are slidably installed on the intelligent adjustment component (5), and the fixed detection components (4) are slidably connected to the progressive component (3); the progressive component (3) comprises a progressive motor (31) and a progressive disc (33), and the progressive motor (31) is installed on On the support base (1), a progressive gear (32) is installed on the output shaft of the progressive motor (31), the progressive disk (33) is rotatably installed on the support base (1), and the progressive gear (32) and the progressive disk (33) are meshed and transmitted; the progressive disk (33) is provided with a plurality of arc grooves (331) and gear teeth (332), the progressive disk (33) is slidably connected with the fixed detection component (4) through the arc grooves (331), and the progressive disk (33) is meshed and transmitted with the progressive gear (32) through the gear teeth (332).

2. The puncture needle grinding device with finished product detection function according to claim 1, characterized in that: The intelligent adjustment component (5) comprises a bottom tray (51) and an adjustment motor (52); the bottom tray (51) is mounted on a support base (1); an adjustment gear ring (54) is rotatably mounted on the bottom end of the bottom tray (51); the adjustment motor (52) is mounted on the support base (1); an adjustment gear (53) is mounted on the output shaft of the adjustment motor (52); the adjustment gear (53) is meshed with the adjustment gear ring (54) for transmission; an adjustment member (54) is rotatably mounted on the bottom tray (51); 55), the adjusting member (55) is meshed with the adjusting toothed ring (54) for transmission, the fixed detection assembly (4) is slidably mounted on the adjusting member (55), and the bottom tray (51) is provided with a semicircular groove (511); the adjusting toothed ring (54) is provided with inner teeth (541) and outer teeth (542), the adjusting toothed ring (54) is meshed with the adjusting member (55) for transmission through the inner teeth (541), and the adjusting toothed ring (54) is meshed with the adjusting toothed ring (54) for transmission through the outer teeth (542).

3. The puncture needle grinding device with finished product detection function according to claim 2, characterized in that: The adjusting member (55) is provided with a sliding groove (551), the fixed detection assembly (4) is slidably mounted in the sliding groove (551), the adjusting member (55) is provided with a tooth groove (553), the inner teeth (541) are meshed with the tooth groove (553) for transmission, and a sliding column (552) is installed on the adjusting member (55), and the sliding column (552) is slidably connected to the semicircular groove (511).

4. The puncture needle grinding device with finished product detection function according to claim 3, characterized in that: The fixed detection assembly (4) comprises a fixed frame (41), the fixed frame (41) is provided with a detection hole (412), the bottom and top of the fixed frame (41) are both equipped with fixed slide bars (413), the fixed frame (41) is provided with a plurality of support rings (414), the support rings (414) are provided with holes, the bottom end of the fixed frame (41) is symmetrically provided with bottom slide holes (418), the bottom end of the fixed frame (41) is equipped with a bottom rotating rod (419), the fixed frame (41) is equipped with a front support rod (415), the front support rod (415) is provided with a plurality of brackets (416), the fixed frame (41) is equipped with a transmission column (411), the bottom end of the fixed frame (41) is provided with a bottom slide bar (417), and the fixed frame (41) is slidably installed on the slide groove (551) through the bottom slide bar (417).

5. The puncture needle grinding device with finished product detection function according to claim 4, characterized in that: The fixed detection assembly (4) further comprises a detector (42), a transmission assembly (43), a limit plate (45) and a clamping assembly (44); the detector (42) is mounted in the detection hole (412); the clamping assembly (44) is mounted on the fixed frame (41); the limit plate (45) is slidably mounted on the fixed slide bar (413); a limit spring (48) is mounted between the limit slide plate and the fixed frame (41); a first spring (46) is mounted on the fixed frame (41); a push head (47) is mounted at one end of the first spring (46); a center of the push head (47) is A hole groove is provided, and the hole groove is used to engage with the end of the puncture needle. The transmission assembly (43) is rotatably mounted on the bottom rotating rod (419), and the transmission assembly (43) is rotatably connected to the limit plate (45); the clamping assembly (44) includes an electric telescopic rod (442), the output shaft of the electric telescopic rod (442) passes through the fixed frame (41) and is installed with a clamping block (441), the clamping block (441) is slidably connected to the top of the fixed frame (41), and a transmission claw (443) is installed at the bottom of the clamping block (441), and a transmission wheel (444) is rotatably installed on the transmission claw (443).

6. The puncture needle grinding device with finished product detection function according to claim 5, characterized in that: The limit plate (45) is provided with a sliding hole (451), the limit plate (45) is provided with a sliding ring (453), the limit plate (45) is slidably mounted on the fixed slide bar (413) through the sliding ring (453), the limit plate (45) is provided with a limit rotating rod (452) at the bottom end, and the limit plate (45) is rotatably connected to the transmission assembly (43) through the limit rotating rod (452); the transmission assembly (43) includes a transmission slider (431) and a transmission rotating rod (433 ), the transmission slider (431) is rotatably connected to one end of the transmission rotating rod (433), the transmission rotating rod (433) is rotatably mounted on the bottom rotating rod (419), the transmission slider (431) is symmetrically provided with slopes, the other end of the transmission rotating rod (433) is rotatably connected to the limiting plate (45) through the limiting rotating rod (452), the bottom end of the transmission slider (431) is symmetrically provided with sliding rods (432), and the sliding rods (432) are slidably mounted in the bottom sliding hole (418).

7. The puncture needle grinding device with finished product detection function according to claim 5, characterized in that: The detector (42) comprises a detection shell (421), wherein the detection shell (421) is installed in the detection hole (412), a piezoelectric element (425) is installed in the detection shell (421), an inner slider (424) is slidably installed in the detection shell (421), an outer slider (422) is slidably installed in the detection shell (421), a compression chamber (423) is formed between the inner slider (424) and the outer slider (422), and the compression chamber (423) is filled with a compression medium.

8. The puncture needle grinding device with finished product detection function according to claim 1, characterized in that: The grinding detection device comprises a cylinder (21), wherein the cylinder (21) is mounted on a support base (1), a driving motor (22) is mounted on an output shaft of the cylinder (21), a detection body (23) is mounted on an output shaft of the driving motor (22), a connecting piece (24) is mounted at the bottom end of the detection body (23), a grinding roller (25) is mounted at the bottom end of the connecting piece (24), and the detection body (23) is made of a flexible material.

9. A method for processing a puncture needle with a finished product detection function, characterized in that: Using the puncture needle grinding device with a finished product detection function as described in any one of claims 1 to 8, the puncture needle processing method comprises the following steps: S1, fix the puncture needle; S2. Adjust the angle of the puncture needle; S3, grinding the puncture needle; S4. Test the quality of finished products.

10. A puncture needle processing method with a finished product detection function according to claim 9, characterized in that: Step S1 includes the following specific steps: S101, placing the puncture needle on the fixed detection component (4), and using the fixed detection component (4) to clamp and fix the puncture needle; Step S2 includes the following specific steps: S201, using the intelligent adjustment component (5) to adjust the angle of the fixed detection component (4), so that the fixed detection component (4) drives the puncture needle to deflect the angle; Step S3 includes the following specific steps: S301, using the progressive component (3) to drive the fixed detection component (4) to move on the intelligent adjustment component (5), the fixed detection component (4) drives the puncture needle to approach the grinding detection component (2), and the grinding detection component (2) is used to grind the puncture needle; Step S4 includes the following specific steps: S401. After grinding is completed, the fixed detection component (4) is reset, and then the fixed detection component (4) and the grinding detection component (2) are used to cooperate with each other to test the finished puncture needle. If the test result is qualified, the grinding and finished product testing of the puncture needle are completed; if the test result is unqualified, the previous steps are repeated, and the unqualified puncture needle is ground again using the grinding detection component (2) until the test is qualified.

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