CN113290876A - Injection needle and needle cylinder fixing mechanism - Google Patents

Injection needle and needle cylinder fixing mechanism Download PDF

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Publication number
CN113290876A
CN113290876A CN202110505050.5A CN202110505050A CN113290876A CN 113290876 A CN113290876 A CN 113290876A CN 202110505050 A CN202110505050 A CN 202110505050A CN 113290876 A CN113290876 A CN 113290876A
Authority
CN
China
Prior art keywords
needle
cylinder
injection needle
syringe
injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110505050.5A
Other languages
Chinese (zh)
Inventor
章小彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuhuan Diyuan Automation Equipment Co ltd
Original Assignee
Yuhuan Diyuan Automation Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuhuan Diyuan Automation Equipment Co ltd filed Critical Yuhuan Diyuan Automation Equipment Co ltd
Priority to CN202110505050.5A priority Critical patent/CN113290876A/en
Publication of CN113290876A publication Critical patent/CN113290876A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/561—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using screw-threads being integral at least to one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/80—Rotatable transfer means for loading or unloading purposes, i.e. turret transfer means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7544—Injection needles, syringes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a fixing mechanism for an injection needle and a needle cylinder, which comprises an injection needle positioning device and a needle cylinder screwing device, wherein the injection needle positioning device and the needle cylinder screwing device are respectively arranged at two sides of a conveying belt, and the injection needle positioning device and the needle cylinder screwing device are arranged in a manner of facing; the injection needle positioning device is used for clamping an injection needle, and the needle cylinder screwing device is used for clamping the needle cylinder and enabling the needle cylinder to rotate so as to realize screw connection with the injection needle. The invention realizes the mechanical automation of the assembly of the injection needle and the needle cylinder, greatly improves the assembly efficiency, improves the yield of finished product assembly and ensures that the standard of finished products is more uniform.

Description

Injection needle and needle cylinder fixing mechanism
Technical Field
The invention relates to a fixing mechanism for an injection needle and a needle cylinder.
Background
The syringe, including syringe needle and cylinder, shown syringe needle includes the needle file, sets up the syringe needle on the needle file, realizes being connected through the screw thread (or insert the interference fit of establishing the formula) between needle file and the cylinder, and the cylinder includes barrel, push rod and sets up the piston at the push rod tip, and the piston is in the barrel to realize the equipment of whole syringe, at last, with the syringe packing of assembling, can put into market. In the assembling process, the connection between the injection needle and the syringe is generally manually assembled, the whole assembling efficiency is low, and workers are required to have certain technical capacity, so that the whole assembling cost is high.
Aiming at the problems, the automatic assembling machine appears on the market, so that the assembling efficiency is greatly improved, and the batch production is realized. In addition, the automatic assembling machine with a complex structure has high failure rate and high cost during later maintenance and repair.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fixing mechanism for an injection needle and a needle cylinder, which has simple structure, realizes the automatic assembly of the injection needle and the needle cylinder and greatly improves the assembly efficiency.
In order to solve the technical problems, the technical solution of the injection needle and syringe fixing mechanism of the invention is as follows:
the invention discloses a fixing mechanism for an injection needle and a needle cylinder, which comprises an injection needle positioning device and a needle cylinder screwing device, wherein the injection needle positioning device and the needle cylinder screwing device are respectively arranged at two sides of a conveying belt, and the injection needle positioning device and the needle cylinder screwing device are arranged in a manner of facing; the injection needle positioning device is used for clamping an injection needle, and the needle cylinder screwing device is used for clamping the needle cylinder and enabling the needle cylinder to rotate so as to realize screw connection with the injection needle.
The injection needle positioning device comprises a lifting cylinder and a finger cylinder which is connected with the lifting cylinder and reciprocates along the stroke rod direction of the lifting cylinder, wherein the finger cylinder is connected with a left clamp body and a right clamp body and enables the left clamp body and the right clamp body to move along the opposite direction or the opposite direction, so that the injection needle is clamped or loosened by the left clamp body and the right clamp body.
The left clamp body comprises a left clamp plate and a plurality of left chucks arranged on the left clamp plate, the right clamp body comprises a right clamp plate and a plurality of right chucks arranged on the right clamp plate, a guide rail and a guide block are arranged between the left clamp plate and the right clamp plate, and the guide block and the guide rail are used for realizing relative motion between the left clamp plate and the right clamp plate, and then the left chucks and the right chucks which are matched in a corresponding mode are enabled to realize clamping or loosening of an injection needle.
The needle cylinder screwing device comprises a front cylinder, a rear cylinder, a front seat, a rear seat and a needle cylinder rotating structure, wherein the front seat and the rear seat are driven by the front cylinder and the rear cylinder and move along the front-rear direction, the needle cylinder rotating structure is connected to the front seat and the rear seat, the front cylinder and the rear cylinder move towards the direction of the injection needle, and the needle cylinder and the injection needle are in threaded connection through the needle cylinder rotating structure.
The needle cylinder rotating structure comprises a motor, a driving gear connected to the motor, a rack meshed with the driving gear and a plurality of rotating shafts meshed with the rack through driven gears, wherein finger cylinders are arranged on the rotating shafts and used for clamping the needle cylinder; the rack is connected with a guide rail fixed on the front seat and the rear seat through a guide block, and the motor drives the driving gear to rotate, so that the rack is driven to move along the direction of the guide rail, and the driven gear is driven to rotate.
Preferably, the motor is a servo motor.
The invention has the beneficial effects that:
compared with the prior art, the injection needle and syringe fixing mechanism disclosed by the invention realizes the mechanical automation of the assembly of the injection needle and the syringe, greatly improves the assembly efficiency, improves the yield of finished product assembly and enables the standard of finished products to be more uniform.
Drawings
FIG. 1 is a perspective view of the automatic assembling machine for injection needle and cylinder of the present invention;
FIG. 2 is a perspective view of the needle and barrel securing mechanism of the present invention;
FIG. 3 is a perspective view of one aspect of the syringe fastening device of the needle and syringe retaining mechanism of the present invention;
FIG. 4 is a perspective view of another perspective of the needle and barrel fastening device of the needle and barrel securing mechanism of the present invention;
FIG. 5 is a cross-sectional view of the syringe fastening device of the needle and syringe retaining mechanism of the present invention;
fig. 6 is a perspective view of the needle positioning device of the needle and barrel securing mechanism of the present invention;
fig. 7 is an exploded perspective view of the needle positioning device of the needle and barrel securing mechanism of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 7, the present invention provides a fixing mechanism for a syringe needle and a syringe, including a syringe needle positioning device 1 and a syringe screwing device 2, wherein the syringe needle positioning device 1 and the syringe screwing device 2 are respectively disposed at two sides of a conveyer belt 3, and the syringe needle positioning device 1 and the syringe screwing device 2 are disposed opposite to each other; the injection needle positioning device 1 is used for clamping an injection needle 4, and the needle cylinder screwing device 2 is used for clamping the needle cylinder 5 and enabling the needle cylinder 5 to rotate so as to realize screw joint with the injection needle 4.
The injection needle positioning device 1 comprises a lifting cylinder 6 and a finger cylinder 7 connected with the lifting cylinder 6 and reciprocating along the stroke rod direction of the lifting cylinder 6, wherein the finger cylinder 7 is connected with a left clamp body 8 and a right clamp body 9 and enables the left clamp body 8 and the right clamp body 9 to move along opposite directions or opposite directions, so that the injection needle 4 is clamped or loosened by the left clamp body 8 and the right clamp body 9.
Left clamp 8 includes left splint 10, sets up a plurality of left chucks 11 on left splint 10, right clamp 9 includes right splint 12, sets up a plurality of right chucks 13 on right splint 12, be equipped with guide rail 14 and guide block 15 between left splint 10 and the right splint 12, through guide block 15 and guide rail 14 to make and realize relative motion between left splint 10 and the right splint 12, a plurality of left chucks 11 and a plurality of right chucks 13 one-to-one make then that the left chuck 11 and the right chuck 13 that correspond the matching realize adding and hold or loosen syringe needle 4.
The syringe screwing device 2 comprises a front cylinder 16, a rear cylinder 16, a front seat 17 and a rear seat 17 which are driven by the front cylinder 16 and the rear cylinder 16 and move along the front-rear direction, and a syringe rotating structure 18 connected to the front seat 17 and the rear seat 17, wherein the front cylinder 16 and the rear cylinder 16 enable the front seat 17 and the rear seat 17 to move towards the direction of the injection needle 4, and the syringe 5 and the injection needle 4 are in threaded connection through the syringe rotating structure 18.
The needle cylinder rotating structure 18 comprises a motor 19, a driving gear 20 connected to the motor 19, a rack 21 meshed with the driving gear 20 and a plurality of rotating shafts 23 meshed with the rack 21 through driven gears 22, finger cylinders 7 are arranged on the rotating shafts 23, and the finger cylinders 7 are used for clamping the needle cylinder 5; the rack 21 is connected with the guide rail 14 fixed on the front and rear seats 17 through the guide block 15, and the motor 19 drives the driving gear 20 to rotate, so that the rack 21 is driven to move along the direction of the guide rail 14, and the driven gear 22 is driven to rotate.
The motor 19 is a servo motor.
The operating principle of the injection needle and syringe fixing mechanism of the present invention is explained as follows:
when the injection needle and needle cylinder fixing mechanism works, a needle cylinder 5 sequentially falls into a needle cylinder tool 24 of a needle cylinder conveying belt 3 of a conveying belt 3 through a feeding machine, and an injection needle falls into the injection needle tool of the injection needle conveying belt of the conveying belt through an injection needle feeding mechanism. The syringe and the injection needle move along with the syringe conveyer belt and the injection needle conveyer belt respectively, and the syringe conveyer belt and the injection needle conveyer belt move synchronously.
Syringe 5 in the syringe frock 24, syringe 4 in the syringe frock 25, for one-to-one forward direction corresponds, and respectively through syringe conveyer belt 3, syringe conveyer belt 3 synchronous motion to syringe needle and syringe fixed establishment's position, syringe needle positioner 1 wherein, the 2 synchronous workings of syringe device of screwing, it is specific: the lifting cylinder 6 of the injection needle positioning device 1 works to drive the finger cylinder 7 to move downwards towards the injection needle 4, so that the left clamp 8 and the right clamp 11 on the right clamp 9 connected with the finger cylinder 7 move oppositely to clamp the injection needle 4 in the injection needle tool 25, and the injection needle 4 is fixed; meanwhile, the syringe screwing device 2 works, firstly, the front and rear air cylinders 16 push the front and rear seats 17 to move along the axial direction of the syringe 5, that is, the syringe rotating structures 18 on the front and rear seats 17 are close to the tail part of the syringe 5 along the axial direction, finally, the clamping jaws connected with the finger air cylinders 7 on the syringe rotating structures 18 clamp the tail end of the syringe 5, then, the front and rear air cylinders 16 continue to push the rotating structures of the syringe 5 to move forwards, finally, the front end of the syringe 5 clamped by the finger air cylinders 7 reaches the corresponding position of the injection needle 4, then, the motor 19 works to drive the driving gear 20 to rotate, the driving gear 20 drives the rack 21 to move transversely, the rack 42 drives the driven gear 43 on each rotating shaft 23 to rotate, then each rotating shaft 23 rotates, the finger air cylinders 7 are arranged on the rotating shafts 23, thereby, the syringe 5 on each finger air cylinder 7 rotates, and thus, the syringe 5 and the injection needle 4 have relative movement on the circumference around the axis, and finally the syringe 5 and the injection needle 4 are fixed in a threaded manner.
The completely connected injection needle 4 and the syringe 5 form an injector, and the injection needle positioning device 1 and the syringe screwing device 2 are reset.
The injection needle and syringe fixing mechanism provided by the embodiment of the present invention is described in detail above, and the principle and the embodiment of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (6)

1. A syringe needle and syringe fixing mechanism is characterized in that: the device comprises an injection needle positioning device and a needle cylinder screwing device, wherein the injection needle positioning device and the needle cylinder screwing device are respectively arranged at two sides of a conveying belt, and the injection needle positioning device and the needle cylinder screwing device are arranged in a manner of facing to each other; the injection needle positioning device is used for clamping an injection needle, and the needle cylinder screwing device is used for clamping the needle cylinder and enabling the needle cylinder to rotate so as to realize screw connection with the injection needle.
2. A needle and barrel mounting arrangement according to claim 1, wherein: the injection needle positioning device comprises a lifting cylinder and a finger cylinder which is connected with the lifting cylinder and reciprocates along the stroke rod direction of the lifting cylinder, wherein the finger cylinder is connected with a left clamp body and a right clamp body and enables the left clamp body and the right clamp body to move along the opposite direction or the opposite direction, so that the injection needle is clamped or loosened by the left clamp body and the right clamp body.
3. A needle and barrel mounting arrangement according to claim 2, wherein: the left clamp body comprises a left clamp plate and a plurality of left chucks arranged on the left clamp plate, the right clamp body comprises a right clamp plate and a plurality of right chucks arranged on the right clamp plate, a guide rail and a guide block are arranged between the left clamp plate and the right clamp plate, and the guide block and the guide rail are used for realizing relative motion between the left clamp plate and the right clamp plate, and then the left chucks and the right chucks which are matched in a corresponding mode are enabled to realize clamping or loosening of an injection needle.
4. A needle and barrel mounting arrangement according to claim 1, 2 or 3, wherein: the needle cylinder screwing device comprises a front cylinder, a rear cylinder, a front seat, a rear seat and a needle cylinder rotating structure, wherein the front seat and the rear seat are driven by the front cylinder and the rear cylinder and move along the front-rear direction, the needle cylinder rotating structure is connected to the front seat and the rear seat, the front cylinder and the rear cylinder move towards the direction of the injection needle, and the needle cylinder and the injection needle are in threaded connection through the needle cylinder rotating structure.
5. A needle and barrel mounting arrangement according to claim 4, wherein: the needle cylinder rotating structure comprises a motor, a driving gear connected to the motor, a rack meshed with the driving gear and a plurality of rotating shafts meshed with the rack through driven gears, wherein finger cylinders are arranged on the rotating shafts and used for clamping the needle cylinder; the rack is connected with a guide rail fixed on the front seat and the rear seat through a guide block, and the motor drives the driving gear to rotate, so that the rack is driven to move along the direction of the guide rail, and the driven gear is driven to rotate.
6. A needle and barrel mounting arrangement according to claim 5, wherein: the motor is a servo motor.
CN202110505050.5A 2021-05-10 2021-05-10 Injection needle and needle cylinder fixing mechanism Pending CN113290876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110505050.5A CN113290876A (en) 2021-05-10 2021-05-10 Injection needle and needle cylinder fixing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110505050.5A CN113290876A (en) 2021-05-10 2021-05-10 Injection needle and needle cylinder fixing mechanism

Publications (1)

Publication Number Publication Date
CN113290876A true CN113290876A (en) 2021-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110505050.5A Pending CN113290876A (en) 2021-05-10 2021-05-10 Injection needle and needle cylinder fixing mechanism

Country Status (1)

Country Link
CN (1) CN113290876A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115156874A (en) * 2022-07-29 2022-10-11 楚天科技股份有限公司 Injector push rod assembling device and method
CN116442547A (en) * 2023-04-21 2023-07-18 山东淄博民康药业包装有限公司 Automatic needle inserting method for prefilled needle injection syringe
CN116787689A (en) * 2023-08-23 2023-09-22 思纳福(太仓)医疗耗材有限公司 Injection molding device for medical consumables

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115156874A (en) * 2022-07-29 2022-10-11 楚天科技股份有限公司 Injector push rod assembling device and method
CN115156874B (en) * 2022-07-29 2023-12-22 楚天科技股份有限公司 Injector push rod assembling device and method
CN116442547A (en) * 2023-04-21 2023-07-18 山东淄博民康药业包装有限公司 Automatic needle inserting method for prefilled needle injection syringe
CN116442547B (en) * 2023-04-21 2024-01-12 山东淄博民康药业包装有限公司 Automatic needle inserting method for prefilled needle injection syringe
CN116787689A (en) * 2023-08-23 2023-09-22 思纳福(太仓)医疗耗材有限公司 Injection molding device for medical consumables
CN116787689B (en) * 2023-08-23 2023-11-03 思纳福(太仓)医疗耗材有限公司 Injection molding device for medical consumables

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