CN109203356A - A kind of manufacturing device and its technique of injection needle - Google Patents
A kind of manufacturing device and its technique of injection needle Download PDFInfo
- Publication number
- CN109203356A CN109203356A CN201811020203.1A CN201811020203A CN109203356A CN 109203356 A CN109203356 A CN 109203356A CN 201811020203 A CN201811020203 A CN 201811020203A CN 109203356 A CN109203356 A CN 109203356A
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- China
- Prior art keywords
- line position
- position body
- clamping
- injection
- needle tubing
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14426—Coating the end of wire-like or rod-like or cable-like or blade-like or belt-like articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of manufacturing devices of injection needle, it include the first line position body, the second line position body, the solid plate for being inserted into needle tubing, the briquetting for locking dispensing end and the pin for locking injecting glue end, first line position body is provided with the first clearance position, the first Xing Qiang branch and the injection hole for being connected to the first Xing Qiang branch, and the second line position body is provided with the second clearance position, second type chamber branch and the injection hole for being connected to second type chamber branch.Elastic press and/or elastic pin utilize the clamping of line position body to the location technology of needle tubing, the insert mold of syringe needle class product；It is enabled to needle tubing in insert mold using injection molding balancing technique and runner design by the injection pressure balanced, guarantees that needle tubing will not generate the ill symptoms such as bending deformation.
Description
Technical field
The present invention relates to injection needles, are related to the injection needle of medical field, and the manufacture more particularly, to a kind of injection needle fills
It sets and its technique.
Background technique
Injection needle includes needle stand, the syringe for installing needle stand and the needle tubing being mounted on needle stand, i.e. injection needle
The needle tubing for including needle stand and being mounted on needle stand.Medication injections needle used at present is divided into two kinds: a kind of injection needle, it
Needle tubing and hub portion are all metal structures, and hub portion is mounted on syringe, facilitates injection, injection needle higher cost；In addition
A kind of injection needle, needle stand are made for plastic material, and manufacturing process is the plastic cement for first passing through mold injection and producing syringe needle
Then needle stand covers needle tubing on the plastic cement needle stand of syringe needle, finally make plastic cement needle in the connection millet cake of needle tubing and needle stand gluing water
Seat and needle tubing are fastenedly connected.
Because the size of needle tubing is smaller, the hole of needle stand is also required to be made small, and it is that a comparison is difficult that needle tubing, which injects needle stand,
Technique；Dispensing includes operation and its solidification, which occupies longer Production Time.So the production of plastic cement type injection needle
In technique, the fit on of needle tubing and needle stand has biggish difficulty.
Thus, it is necessary to which a kind of new injection needle manufacture craft is arranged, shorten the Production Time of injection needle, reduces injection needle
Cost of manufacture.
Summary of the invention
In order to overcome the deficiencies of the prior art, the technical solution adopted by the present invention is that:
A kind of manufacturing device of injection needle includes the first line position body, the second line position body, for controlling the first line position body
With the molding power mechanism of the second line position body molding and for the clamping mechanism of clamping needle tubing, the first line position body is provided with first
Clearance position, the first Xing Qiang branch and the first injection hole for being connected to the first Xing Qiang branch, the second line position body are provided with the second empty avoiding
Position, second type chamber branch and the second injection hole for being connected to second type chamber branch；When first line position body and the second line position body mold,
First Xing Qiang branch and second type chamber branch composing type chamber, the first clearance position and the second clearance position the first clamping hole of composition, first
Clamping hole is connected to type chamber.
Another specific embodiment according to the present invention, further has, the stream between the type chamber and the first injection hole
Road is in broken line type, and the runner between type chamber and the second injection hole is in broken line type.
Another specific embodiment according to the present invention, further has, the stream between the type chamber and the first injection hole
The rectangular type in road, the rectangular type of runner between type chamber and the second injection hole.
Another specific embodiment according to the present invention, further has, and the clamping mechanism includes solid plate, cover half
The second clamping hole for being inserted into needle tubing is arranged in plate.
Another specific embodiment according to the present invention, further has, and the clamping mechanism includes the first clamping group
Part and the second clamping assembly, the first clamping assembly are used for the dispensing end of clamping needle tubing, and the second clamping part component is used for clamping needle tubing
Injecting glue end.
Another specific embodiment according to the present invention, further has, and second clamping assembly includes band cone
Pin and for drive cone wedge angle be embedded in needle tubing the second clamping force piece.
Another specific embodiment according to the present invention, further has, the molding power mechanism include bottom plate,
The first oblique stripe and the second oblique stripe on bottom plate are set；First line position body is provided with for cooperating with the first oblique stripe
One inclined hole, the second line position body are provided with the second inclined hole for cooperating with the second oblique stripe；Bottom plate is towards the first line position body and the
When two line position bodies are mobile, the first oblique stripe is mobile towards the second line position body by the first inclined hole control the first line position body, and second inclines
Slanted bar is mobile towards the first line position body by the second inclined hole control the second line position body.
Another specific embodiment according to the present invention, further has, and the molding power mechanism includes for controlling
The mobile molding force piece of bottom plate processed；Clamping mechanism includes the pin with cone, and pin connection molding force piece molds power
Part is the second clamping force piece；Power mechanism is molded for the formation of control type chamber and the first clamping hole and for controlling cone
Wedge angle insertion needle tubing in.
Another specific embodiment according to the present invention, further has, close to molding power mechanism on the solid plate
Side be provided with taper hole；The conical surface body structure with taper hole cooperation is provided on first line position body and the second line position body；Molding
When power mechanism drives the first line position body and the second line position body mobile to solid plate, taper hole controls the first line position body and the second line position
Body molding.
A kind of manufacturing process of injection needle, comprises the following steps that
Step a, needle tubing are inserted into from solid plate upper end；
Step b, molding power mechanism is mobile toward the first line position body and the second line position body, the first line position body and the second line position body
It is close to each other, the first line position body and the molding of the second line position body；
Step c, the first line position body and the second line position body are connected, and type chamber is formed, the first line position body and the second line position body dress
Needle tubing is pressed from both sides, the cone of pin withstands the injecting glue end of needle tubing, and the injecting glue end of needle tubing, which is worn, to be connect in type chamber；
Step d, the first injection hole and the second injection hole mould molding needle stand in type chamber into fused materials；
Step e, needle stand cooling and shaping, molding power mechanism drive the first line position body and the decline of the second line position body；The first row
Position body and the second line position body are located remotely from each other, and syringe needle can be taken off when being detached from the first line position body and the second line position body.
The manufacturing device and its technique for a kind of injection needle that the present invention uses, have the advantages that and pass through clamping
Mechanism makes needle tubing positioning and clamping, and the insert mold of syringe needle class product is clamped using line position body；Utilize injection molding balancing technique and stream
Road design is enabled to needle tubing in insert mold by the injection pressure balanced, guarantees that needle tubing will not generate bending deformation etc. no
Good symptom.
Specifically, the location technology of elastic press and/or elastic pin to needle tubing, solid plate progress clad type positioning guarantor
Shield.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention, hides molding force piece；
Fig. 2 is cross-sectional view of the invention, hides molding force piece；
Fig. 3 is the first line position body and the second line position body of the invention；
Fig. 4 is the structural schematic diagram of syringe needle.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.As shown in figure 4, injection
Needle, includes connected syringe and syringe needle, and syringe needle includes the needle stand 12 being plugged on syringe and is plugged on needle stand 12
Needle tubing 11, needle tubing 11 are connected to syringe.The both ends of needle tubing 11, which are set as dispensing end 11a and injecting glue end 11b, dispensing end 11a, point
It is sharp, outside liquid medicine injection is used in medical, injecting glue end 11b connects the needle stand 12 of injection molding shaping, needle in syringe needle manufacture craft
Seat 12 coats the outer wall of injecting glue end 11b.
As depicted in figs. 1 and 2, a kind of manufacturing device of injection needle includes the mold 2 of belt type cavity 2a and is used
In the clamping mechanism of clamping needle tubing 11, type chamber 2a is for being molded needle stand 12 and being communicated with injection hole；Mold 2, which is additionally provided with, to be used for
First clamping hole of clamping needle tubing 11, the first clamping hole are connected to type chamber 2a.
In the manufacturing process of injection needle, the injecting glue end 11b of needle tubing 11, which is worn, to be connected in type chamber 2a, and type chamber 2a is around injecting glue
Hold the outer wall of 11b；After 12 injection molding shaping of needle stand, needle stand 12 coats the outer wall of 11 injecting glue end 11b of needle tubing, syringe needle production molding.It is logical
Crossing clamping mechanism makes 11 positioning and clamping of needle tubing；In 12 injection moulding process of needle stand, needle tubing 11 is unlikely to deform.The orientation problem of needle tubing 11 obtains
To solution.
As shown in Figure 1 to Figure 3, mold 2 includes the first line position body 21 of the first Xing Qiang of band branch 21a, band second type
The second line position body 22 of chamber branch 22a and the molding engine molded for controlling the first line position body 21 and the second line position body 22
Structure, the first Xing Qiang branch 21a and second type chamber branch 22a have been respectively communicated with the first injection hole 21b and the second injection hole 22b；The
When one line position body 21 and the second line position body 22 mold, the first Xing Qiang branch 21a and second type chamber branch 22a composing type chamber 2a, the
One line position body 21 and the second line position body 22 form the first clamping hole.First line position body 21 is provided with the first clearance position, the second line position
Body 22 is provided with the second clearance position, and the first clearance position and the second clearance position are used for the outer wall of clamping needle tubing 11；First line position body 21
And when the second molding of line position body 22, the first clearance position and the second clearance position form the first clamping hole, and the first clamping hole is connected to type
Chamber 2a.
Mold 2 is set as seperated pattern, and mold 2 is for being molded needle stand 12 and for clamping needle tubing 11.Needle tubing
After 11 have accurately positioning in type chamber 2a, injection molding obtains needle stand 12 on the injecting glue end 11b of needle tubing 11；Needle tubing 11 is filled simultaneously
The positioning and clamping of clamp mechanism and the first clamping hole, needle tubing 11 are not easy to walk.Mold 2 is set as seperated pattern, the first type chamber
Branch 21a and second type chamber branch 22a has been respectively communicated with the first injection hole 21b and the second injection hole 22b, by injecting on both sides
The surge of sizing material, injection pressure and sizing material in type chamber 2a is not easy to make 11 bending deformation of needle tubing.
Consider that sizing material cannot impact needle tubing 11 when entering type chamber 2a and make its bending deformation, is asked to solve this
Topic, it is equal into the injection pressure that 11 both sides of needle tubing can be allowed to be subject to by the way of glue using both sides using both sides by the way of glue, it keeps away
Having exempted from discontinuity causes needle tubing 11 to be bent.Preferably, the runner between type chamber 2a and the first injection hole 21b is in broken line type,
Runner between type chamber 2a and the second injection hole 22b is in broken line type.Preferably, the stream between type chamber 2a and the first injection hole 21b
The rectangular type in road, the rectangular type of runner between type chamber 2a and the second injection hole 22b.Sizing material needs after 90 ° of bending
Enter 2a formation plastic parts of type chamber.Sizing material can have certain buffering to make after needing to carry out 90 ° of bending to injection pressure
With reducing injection pressure and act directly on needle tubing 11.
As shown in Figure 1 to Figure 3, preferably, the first line position body 21 and the second line position body 22 are connected separately with corresponding guiding
Part 4 and/or guide frame, such as guide rod, guide groove.Guide part 4 is connected with pedestal or chassis, the shell or rack of syringe needle manufacturing device
On be provided with stop part 5.After bottom plate 25 drives the first line position body 21 and the second line position body 22 to drop to the first height, bottom plate 25 after
Continuous to move down, the decline of the first line position body 21 and the second line position body 22 is locked up, and the first line position body 21 and the second line position body 22 can only
Divide mould.
As depicted in figs. 1 and 2, clamping mechanism includes solid plate 33, and the setting of solid plate 33 is for being inserted into the of needle tubing 11
Two clamping holes, the first clamping hole and the second clamping hole are used for the same needle tubing 11 of clamping.It wears and is connect in the second clamping hole on needle tubing 11
Part accounting 0.5~0.85, needle tubing 11 are unlikely to deform；It wears to connect on needle tubing 11 and be accounted in the part of the first clamping hole and the second clamping hole
Than 0.45~0.9.The overwhelming majority of needle tubing 11 is coated by clamping hole to be connected, and needle tubing 11 is not susceptible to deform.
As depicted in figs. 1 and 2, clamping mechanism includes the first clamping assembly 31 and the second clamping assembly 32, the first clamping
Component 31 is used for the dispensing end 11a of clamping needle tubing 11, and the second clamping part component is used for the injecting glue end 11b of clamping needle tubing 11.
First clamping assembly 31 and the second clamping assembly 32 can be set to clamping jaw pattern.
As depicted in figs. 1 and 2, preferably, the first clamping assembly 31 and the second clamping assembly 32 may be set to be: second
Clamping assembly 32 includes the pin 32a with cone and the second clamping power for driving the wedge angle insertion needle tubing 11 of cone
Part.First clamping assembly 31 includes briquetting 31a for limiting 11 dispensing end 11a of needle tubing and for driving briquetting 31a to support
Connect the first clamping force piece of 11 dispensing end 11a of needle tubing.First clamping force piece and the second clamping force piece can be set to liquid
Cylinder pressure, cylinder or motor screw mechanism；Preferably, the first clamping force piece and the second clamping force piece are cylinder, pin
32a is driven by corresponding cylinder piston rod, and briquetting 31a has corresponding cylinder piston rod to drive.
As depicted in figs. 1 and 2, the first elastic component 31b, the first bullet are connected between briquetting 31a and the first clamping force piece
Property part 31b for controlling briquetting 31a elastic component abut 11 dispensing end 11a of needle tubing, flexible control needle tubing 11 is moved upwardly by
Freedom degree, it is ensured that the sharp position of needle tubing 11 will not be bent.
Clamping mechanism clamping needle tubing 11, needle tubing 11 can be horizontal placement, be also possible to vertically place.Preferably, clamping
When mechanism clamping needle tubing 11, needle tubing 11 is placed vertically, and the dispensing end 11a of needle tubing 11 is upward.Pin 32a for abutting needle tubing 11 upwards
Injecting glue end 11b, in the wedge angle insertion syringe of cone, the conical surface of cone abuts the end of needle tubing 11.
Molding power mechanism can be set are as follows: opposite side is separately connected on the first row position body 21 and the second line position body 22
There is corresponding cylinder body, cylinder body is for controlling the first line position body 21 and the molding of the second line position body 22.
As shown in Figure 1 to Figure 3, preferably, molding power mechanism may be set to be: molding power mechanism includes bottom plate
25, the first oblique stripe 23 and the second oblique stripe 24 being arranged on bottom plate 25；First line position body 21 is provided with for first
The first inclined hole that oblique stripe 23 cooperates, the second line position body 22 are provided with the second inclined hole for cooperating with the second oblique stripe 24；Bottom
When plate 25 is moved towards the first line position body 21 and the second line position body 22, the first oblique stripe 23 controls the first row by the first inclined hole
Position body 21 is mobile towards the second line position body 22, and the second oblique stripe 24 controls the second line position body 22 towards first by the second inclined hole
Line position body 21 is mobile.Bottom plate 25 is connected with molding force piece, and molding force piece can be with hydraulic cylinder, cylinder or motor lead screw machine
Structure；Preferably, molding force piece is hydraulic cylinder, hydraulic cylinder piston rod connecting bottom board 25.
Molding power mechanism can be to be laterally disposed, and mold 2 and clamping mechanism control needle tubing 11 are horizontal placement, bottom plate
25 horizontal slidings, the first line position body 21 and the second line position body 22 vertically mold or divide mould.Preferably, molding power framework is perpendicular
To placement, mold 2 and clamping mechanism control needle tubing 11 are horizontal placement, and briquetting 31a and pin 32a are lifting moving, bottom plate
25 vertical liftings, the first line position body 21 and the second line position body 22 mold in the horizontal direction or divide mould.
As depicted in figs. 1 and 2, preferably, pin 32a is connected on molding power mechanism, molds force piece as second
Clamping force piece.Molding force piece drives pin 32a and bottom plate 25 to rise, when bottom plate 25 and pin 32a are risen in place, simultaneously
Have: the first line position body 21 and the second line position body 22 molding in place, the first clamping hole clamping needle tubing 11, pin 32a abut needle tubing 11.
Molding power mechanism includes for controlling the mobile molding force piece of bottom plate 25；Clamping mechanism includes the pin with cone
32a, pin 32a connection mold force piece, and molding force piece is the second clamping force piece；It molds power mechanism and is used for control type chamber
The formation of 2a and the first clamping hole and for controlling cone wedge angle insertion needle tubing 11 in.
Molding force piece is the second clamping force piece, and molding force piece passes through bevel structure for driving bottom plate 25 to rise
Vertical elevating movement is presented as to the open and close movement of horizontal direction.As depicted in figs. 1 and 2, molding force piece passes through bottom plate 25
And its oblique stripe controls the folding of two line position bodies, while molding force piece and being also used to that pin 32a is driven to abut needle tubing 11 bottom
Portion, since there are certain cumulative departures in size setting, preferably: pin 32a is filled by the second elastic component 32b connection second
Force piece is pressed from both sides, the setting of the second elastic component 32b guarantees: while the first line position body 21 and the second line position body 22 mold, pin 32a
The injecting glue end end 11b of needle tubing 11 can be abutted to upwards；Guarantee that 11 upper and lower side clamping of needle tubing is good, will not walk, be not easy by
Sizing material pressure bending.
Preferably, the side on solid plate 33 close to molding power mechanism is provided with taper hole；First line position body 21 and second
The conical surface body structure with taper hole cooperation is provided on line position body 22；It molds power mechanism and drives the first line position body 21 and the second row
When position body 22 is mobile to solid plate 33, taper hole controls the first line position body 21 and the molding of the second line position body 22.Taper hole on solid plate 33
Setting, be further ensured that the first line position body 21 with regard to the mould assembling action of the second line position body 22, the precision of molding.Preferably, cover half
The lower end of plate 33 is provided with backhoe block, and taper hole is arranged in backhoe block.
As shown in Fig. 2, when needle tubing is packed into manufacturing device, the original state schematic diagram of manufacturing device.The manufacturing process of syringe needle,
It comprises the following steps that
Step a, needle tubing 11 are inserted into from 33 upper end of solid plate；
Step b, molding power mechanism is mobile toward the first line position body 21 and the second line position body 22, the first line position body 21 and second
Line position body 22 is close to each other, the first line position body 21 and the molding of the second line position body 22；
Step c, the first line position body 21 and the second line position body 22 are connected, and type chamber 2a is formed, the first line position body 21 and second
22 clamping needle tubing 11 of line position body, the cone of pin 32a withstand the injecting glue end 11b of needle tubing 11, and the injecting glue end 11b of needle tubing 11, which is worn, to be connect
In type chamber 2a；
Step d, the first injection hole 21b and the second injection hole 22b mould molding needle stand 12 into fused materials in type chamber 2a；
Step e, 12 cooling and shaping of needle stand, molding power mechanism drive the first line position body 21 and the decline of the second line position body 22；
First line position body 21 and the second line position body 22 are located remotely from each other, and syringe needle is detached from desirable when the first line position body 21 and the second line position body 22
Out.
The above embodiments are merely illustrative of the technical solutions of the present invention and is not intended to limit it, all without departing from the present invention
Any modification of spirit and scope or equivalent replacement, shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. a kind of manufacturing device of injection needle, which is characterized in that include the first line position body (21), the second line position body (22),
For controlling the molding power mechanism of the first line position body (21) and the molding of the second line position body (22) and for clamping needle tubing (11)
Clamping mechanism, the first line position body (21) is provided with the first clearance position, the first Xing Qiang branch (21a) and connection the first type chamber point
First injection hole (21b) in portion (21a), the second line position body (22) be provided with the second clearance position, second type chamber branch (22a) and
It is connected to second injection hole (22b) of second type chamber branch (22a)；When first line position body (21) and the second line position body (22) mold,
First Xing Qiang branch (21a) and second type chamber branch (22a) composing type chamber (2a), the first clearance position and the second clearance position composition the
One clamping hole, the first clamping hole are connected to type chamber (2a).
2. a kind of manufacturing device of injection needle according to claim 1, which is characterized in that the type chamber (2a) and first
Runner between injection hole (21b) is in broken line type, and the runner between type chamber (2a) and the second injection hole (22b) is in broken line type.
3. a kind of manufacturing device of injection needle according to claim 2, which is characterized in that the type chamber (2a) and first
The rectangular type of runner between injection hole (21b), the rectangular type of runner between type chamber (2a) and the second injection hole (22b).
4. a kind of manufacturing device of injection needle according to claim 1, which is characterized in that the clamping mechanism includes
The second clamping hole for being inserted into needle tubing (11) is arranged in solid plate (33), solid plate (33).
5. a kind of manufacturing device of injection needle according to claim 1 or 4, which is characterized in that the clamping mechanism packet
The first clamping assembly (31) and the second clamping assembly (32) are included, the first clamping assembly (31) is used for the injection of clamping needle tubing (11)
It holds (11a), the second clamping part component is used for the injecting glue end (11b) of clamping needle tubing (11).
6. a kind of manufacturing device of injection needle according to claim 5, which is characterized in that second clamping assembly
It (32) include the pin (32a) with cone and the second clamping power for driving wedge angle insertion needle tubing (11) of cone
Part.
7. a kind of manufacturing device of injection needle according to claim 1 or 4, which is characterized in that the molding engine
Structure includes bottom plate (25), the first oblique stripe (23) being arranged on bottom plate (25) and the second oblique stripe (24)；First line position
Body (21) is provided with the first inclined hole for cooperating with the first oblique stripe (23), and the second line position body (22) is provided with for second
Second inclined hole of oblique stripe (24) cooperation；When bottom plate (25) the first line position body (21) of direction and mobile the second line position body (22), the
One oblique stripe (23) controls the first line position body (21) towards the movement of the second line position body (22), the second oblique stripe by the first inclined hole
(24) the second line position body (22) is controlled towards the movement of the first line position body (21) by the second inclined hole.
8. a kind of manufacturing device of injection needle according to claim 7, which is characterized in that the molding power mechanism packet
It includes for controlling bottom plate (25) mobile molding force piece；Clamping mechanism includes the pin (32a) with cone, pin
(32a) connection molding force piece, molding force piece are the second clamping force piece；Mold power mechanism for control type chamber (2a) and
The formation of first clamping hole and for controlling cone wedge angle insertion needle tubing (11) in.
9. a kind of manufacturing device of injection needle according to claim 4, which is characterized in that leaned on the solid plate (33)
The side of nearly molding power mechanism is provided with taper hole；It is provided on first line position body (21) and the second line position body (22) and taper hole
The conical surface body structure of cooperation；Molding power mechanism drives the first line position body (21) and the second line position body (22) to move to solid plate (33)
When dynamic, taper hole controls the first line position body (21) and the molding of the second line position body (22).
10. a kind of manufacturing process of injection needle, which is characterized in that comprise the following steps that
Step a, needle tubing (11) are inserted into from solid plate (33) upper end；
Step b, molding power mechanism is mobile toward the first line position body (21) and the second line position body (22), the first line position body (21) and the
Two line position bodies (22) are close to each other, the first line position body (21) and the molding of the second line position body (22)；
Step c, the first line position body (21) and the second line position body (22) are connected, type chamber (2a) formation, the first line position body (21) and
Second line position body (22) clamping needle tubing (11), the cone of pin (32a) withstand the injecting glue end (11b) of needle tubing (11), needle tubing (11)
Injecting glue end (11b) wear and connect in type chamber (2a)；
Step d, the first injection hole (21b) and the second injection hole (22b) mould molding needle stand in type chamber (2a) into fused materials
(12)；
Step e, needle stand (12) cooling and shaping, molding power mechanism drive under the first line position body (21) and the second line position body (22)
Drop；First line position body (21) and the second line position body (22) are located remotely from each other, and syringe needle is detached from the first line position body (21) and the second line position body
(22) it can be taken off when.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020203.1A CN109203356A (en) | 2018-09-03 | 2018-09-03 | A kind of manufacturing device and its technique of injection needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020203.1A CN109203356A (en) | 2018-09-03 | 2018-09-03 | A kind of manufacturing device and its technique of injection needle |
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| CN109203356A true CN109203356A (en) | 2019-01-15 |
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| CN201811020203.1A Pending CN109203356A (en) | 2018-09-03 | 2018-09-03 | A kind of manufacturing device and its technique of injection needle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370563A (en) * | 2019-07-19 | 2019-10-25 | 昆山新实达精密电子科技有限公司 | A kind of Mold Core-pulling Mechanism being adjustable fixed injecting products inserts length |
| CN115107222A (en) * | 2022-08-25 | 2022-09-27 | 江苏国诺精密科技有限公司 | Medical needle injection molding device |
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| CN115107222B (en) * | 2022-08-25 | 2022-11-22 | 江苏国诺精密科技有限公司 | Medical needle injection molding device |
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