CN211934201U

CN211934201U - Medical forceps for gill part and holotrichia axis and powder injection mold thereof

Info

Publication number: CN211934201U
Application number: CN201922452239.3U
Authority: CN
Inventors: 邓湘
Original assignee: Jufu Medical Technology Suzhou Co ltd
Current assignee: Jufu Medical Technology Suzhou Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-17
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a medical pincers of gill portion holotrichia axle and powder injection mold thereof, the medical pincers of gill portion holotrichia axle include male tong piece and female tong piece, male tong piece and female tong piece all include the binding clip, gill portion and tong arm, the gill portion of female tong piece is including two arc pressing plates of being connected with binding clip and tong arm respectively, the inboard of one arbitrary arc pressing plate wherein is provided with bellied gill axle, the gill portion of male tong piece is including the connection piece of being connected with binding clip and tong arm respectively, set up the gill axle hole that matches with the gill axle on the connection piece, the connection piece of male tong piece gill portion inserts the centre of two arc pressing plates of female tong piece gill portion, the gill axle inserts in the gill axle hole, flatten the arc pressing plate through the mode of coining, it is fixed and keep rotatory smooth and easy with male tong piece and female tong piece. The utility model discloses utilize two pincers pieces of powder injection technique difference injection moulding medical pincers, be provided with the gill axle that is used for connecting in the gill portion inboard of two pincers pieces, set up the connection of two pincers pieces inside the pincers piece.

Description

Medical forceps for gill part and holotrichia axis and powder injection mold thereof

Technical Field

The utility model relates to the field of medical equipment manufacturing, concretely relates to medical pincers of gill portion holotrichia axle.

Background

At present, medical pincers that the hospital adopted are mostly worn gill formula medical pincers, and the processing mode of wearing gill formula medical pincers all adopts and cuts off metal bar earlier, the bar after cutting off is through heating to 700 ~ 800 degrees back by the compression moulding chamber grinding apparatus of special suppression, through original, the die-cut of a lot of, thick pressure, coining, after the blank plastic, through milling, pincers processing, the assembly size of grinding the processing of accomplishing pincers, then through heating, reaming, wear the gill, later flatten again, the plastic, punch, accomplish the assembly of whole pincers behind the installation rivet, must carry out processes such as whole correction after the assembly is accomplished, polish, recalibrate.

The most critical problem of the processing of the gill-penetrating medical forceps is that the forceps blank is easily over-burnt and overheated after being heated and processed at high temperature in the original processing method, so that the phenomena of cavities and trachoma are generated in the forceps blank material, the risk of fracture of the forceps finished product in use is increased, and medical accidents are generated due to the fact that the forceps blank is broken carelessly in the operation process. Therefore, there is a need for a new structure of medical forceps and a method for manufacturing the same.

In the prior art, the Chinese patent application number: 201510682523.3, utility model name: the utility model provides an inlay and join in marriage medical pincers of formula discloses a novel structure inlay and join in marriage medical pincers of formula, the utility model discloses an inlay and join in marriage medical pincers of formula has changed former structure of wearing gill formula medical pincers, changes former gill portion shape of wearing gill formula pincers, and through the fluting of female gill portion upper end, with the protruding embedding female gill portion notch of gill portion of male piece in, by the back of fixing a position in the little cylinder embedding male piece gill portion below location counter bore, clockwise rotation folds to female and male piece binding clip head, screws up through the set screw. Meanwhile, the working procedures of the clamp head, the finger ring, the lock catch and the like which are originally finished by machining are finished at one time by utilizing the existing metal powder pressure injection molding technology.

In the prior art, although the metal powder pressure injection molding technology is also used, the gills of the two clamp pieces need to be screwed by fixing screws, and water is easily stored and rusted at the fixing positions of the screws in the long-term use process.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a medical pincers of gill portion holotrichia axle and powder injection mould thereof utilizes two pincers pieces of the medical pincers of powder injection technique difference injection moulding, is provided with the holotrichia axle that is used for connecting in the gill portion inboard of two pincers pieces, sets up the connection of two pincers pieces inside the pincers piece.

In order to solve the technical problem, the utility model provides a medical pincers of gill portion holotrichia axle, including male tong piece and female tong piece, male tong piece and female tong piece all include binding clip, gill portion and tong arm, the gill portion of female tong piece is including two arc pressing pieces of being connected with binding clip and tong arm respectively, is provided with bellied gill axle in the inboard of wherein arbitrary arc pressing piece, the gill portion of male tong piece is including the connection piece of being connected with binding clip and tong arm respectively, seted up on the connection piece with the gill axle hole that the gill axle matches, the connection piece of male tong piece gill portion inserts the centre of two arc pressing pieces of female tong piece gill portion, the gill axle inserts in the gill axle hole, flattens the arc pressing piece through the mode of coining, fixes male tong piece and female tong piece and keeps rotatory smooth and easy

In a preferred embodiment of the present invention, there are lip teeth on the inner sides of the binding heads of the male and female binding plates.

In a preferred embodiment of the present invention, the pliers arms of the male pliers piece and the female pliers piece are provided with finger rings and locking teeth at their ends.

In order to solve the technical problem, the utility model also provides a medical pincers powder injection mold of gill portion holotrichia axle for make above-mentioned medical pincers of gill portion holotrichia axle, including last mould and die block, it forms into the die cavity with the die block compound die to go up the mould, it includes male tong piece die cavity and female tong piece die cavity to become the die cavity, one side of female tong piece die cavity is provided with the inserts, be the arc above and below the inserts, the inserts divide into two parts about the gill position of female tong piece die cavity, forms two arc pressing sheets, one side of inserts is provided with the recess, the recess forms the gill axle, the gill position of male tong piece die cavity is provided with the projection, the projection forms the gill axle.

The utility model discloses a preferred embodiment, further include still be provided with a plurality of promotion portion die cavities in the shaping intracavity, promote the portion die cavity respectively with male pincers piece die cavity and female pincers piece die cavity intercommunication set up, promote the portion die cavity including set up a plurality of punctiform die cavities and the connection die cavity of setting between male pincers piece die cavity and female pincers piece die cavity in male pincers piece die cavity and female pincers piece die cavity, the below that promotes the portion die cavity is provided with thimble hole, can insert the thimble in the thimble hole.

The utility model discloses a preferred embodiment, further include male pincers piece die cavity and female pincers piece die cavity all include by pointing the circle die cavity, it is provided with the lifting part die cavity to indicate to enclose the die cavity, the lifting part die cavity is "cross" die cavity, the below that lifts the portion die cavity is provided with the thimble hole, the thimble hole sets up the below at "cross" die cavity crossing.

In a preferred embodiment of the present invention, the bottom mold further comprises a mold closing positioning groove disposed at four corners of the bottom mold.

The utility model discloses an in the preferred embodiment, further include upper die fixing plate, die block fixed plate, guide pillar, thimble fixed plate, the upper end of guide pillar is fixed at upper die fixing plate, and the lower extreme of guide pillar is fixed at the die block fixed plate, and it fixes in upper die fixing plate below to go up the mould, and die block fixed plate top is provided with thimble fixed plate, the thimble sets up on thimble fixed plate.

The present invention further provides a method for manufacturing a plastic injection molding machine, which comprises an upper mold fixing plate, an upper mold, a lower mold, a molding cavity, an injection channel, a mold base.

The utility model discloses a preferred embodiment, further include go up the mould and still be provided with oiling passageway in the die block.

The utility model has the advantages that:

the utility model discloses a medical pincers of gill portion holotrichia axle, change the gill portion assembly structure of current male tong piece and female tong piece, gill portion at female tong piece sets up two arc pressing plates and bellied gill axle, gill portion at male tong piece sets up connection piece and gill axle hole, insert the centre of two arc pressing plates of female tong piece gill portion with the connection piece of male tong piece gill portion, insert the gill axle downthehole with the gill axle, the mode through the coining flattens the arc pressing plate, thereby current outer pin connection structure has been changed, prevent that the rusty condition of ponding appears in long-term use in-process pin junction, more can prevent at the in-process of operation, outstanding pin causes the influence to the operation.

The utility model discloses a medical pincers powder injection mould of gill portion holotrichia axle makes the above-mentioned medical pincers of gill portion holotrichia axle of department through the powder injection technique, compares in the press forming of traditional handicraft and the production mode of connection punches, has reduceed the technical requirement to the processing personnel, reduces the energy consumption, reduce the cost, has increased substantially production efficiency.

Drawings

Fig. 1 is a schematic structural view of the medical forceps for gill shaft and holotrichia parallela of the present invention;

fig. 2 is a schematic structural view of the medical forceps powder injection mold for gill shaft and holotrichia parallela of the present invention;

fig. 3 is a schematic structural view of the bottom mold of the present invention;

fig. 4 is a schematic structural view of the insert of the present invention.

The reference numbers in the figures illustrate: 1. a female plier piece; 2. a male plier piece; 3. a binding clip; 301. labial teeth; 4. a gill portion; 401. an arc pressing sheet; 402. a gill axis; 403. connecting sheets; 404. the gill shaft hole; 5. a clamp arm; 501. a finger ring; 502. locking teeth; 6. an upper die fixing plate; 7. an upper die; 8. bottom die; 801. a die assembly positioning groove; 9. a molding cavity; 901. a male plier sheet cavity; 902. a female plier piece cavity; 903. an insert; 904. a groove; 905. a convex column; 906. a dotted cavity; 907. connecting the cavity; 908. a cross-shaped cavity; 909. a thimble hole; 910. a breaking part cavity; 10. a thimble fixing plate; 11. a bottom die fixing plate; 12. a guide post; 13. an injection port; 14. and (4) injecting a flow channel.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, an embodiment of a medical forceps for a gill portion and a holotrichia shaft of the present invention includes a female forceps piece 1 and a male forceps piece 2, the female forceps piece 1 and the male forceps piece 2 both include a forceps head 3, a gill portion 4 and a forceps arm 5, the gill portion 4 of the female forceps piece 1 includes two arc pressing pieces 401 respectively connected with the forceps head 3 and the forceps arm 5, a protruding gill shaft 402 is disposed on an inner side of any one of the arc pressing pieces 401, the gill portion 4 of the male forceps piece 2 includes a connecting piece 403 respectively connected with the forceps head 3 and the forceps arm 5, a gill shaft hole 404 matched with the gill shaft 402 is disposed on the connecting piece, the connecting piece 403 of the gill portion 4 of the male forceps piece 2 is inserted into the middle of the two arc pressing pieces 401 of the gill portion 4 of the female forceps piece 1, the gill shaft 402 is inserted into the gill shaft hole 404, the female forceps piece 1 and the male piece 2 have certain toughness, the arc pressing pieces 401 are pressed by means of stamping, can insert gill axle 402 in the gill axle hole 404, fix female vice piece 1 and male vice piece 2 and keep rotatory smooth and easy, change current outer pin connection structure, prevent that the rusty condition of ponding appears in long-term in-process pin junction of use, more can prevent to cause the influence at the outstanding pin of in-process of operation to the operation.

Specifically, the inner sides of the binding clip 3 of the female binding clip 1 and the male binding clip 2 are both provided with lip teeth 301, and the friction force of the binding clip 3 is increased by the lip teeth 301, so that articles can be clamped conveniently in the using process.

Specifically, the tail ends of the forceps arms 5 of the female forceps piece 1 and the male forceps piece 2 are respectively provided with a finger ring 501 and a locking tooth 502, and the finger ring 501 and the locking tooth 502 are arranged, so that the use is convenient.

Referring to fig. 2, the utility model discloses a gill portion holotrichia axle medical pincers powder injection mold's an embodiment, including last fixed die plate 6, go up mould 7, die block 8, thimble fixed plate 10, die block fixed plate 11, guide pillar 12, the upper end of guide pillar 12 is fixed at last fixed die plate 6 boards, the lower extreme of guide pillar 12 is fixed at die block fixed plate 11, goes up mould 7 and sets up in last fixed die plate 6 below, and die block 8 sets up the top of die block fixed plate 11, die block fixed plate 11 top are provided with thimble fixed plate 10, be provided with the thimble on the thimble fixed plate 10, follow guide pillar 12 removes die block fixed plate 11 to 6 directions of last fixed die plate, makes and goes up mould 7 and 8 compound dies formation die cavity 9 of.

Specifically, an injection port 13 is formed in the upper mold fixing plate 6, an injection flow channel 14 is arranged in the upper mold 7, the injection flow channel 14 penetrates through the upper mold 7, the injection flow channel 14 is respectively communicated with the injection port 13 and the molding cavity 9, and powder is injected from the injection port 13 and enters the molding cavity 9 along the injection flow channel 14.

Referring to fig. 3 to 4, the molding cavity 9 includes a male blade cavity 901 and a female blade cavity 902, an insert 903 is disposed on one side of the male blade cavity 901, the upper surface and the lower surface of the insert 903 are both arc-shaped, the gill portion of the male blade cavity 901 is divided into an upper portion and a lower portion by the insert 903 to form two arc-shaped pressing blades 401, a groove 904 is disposed on one side of the insert 903, the groove 904 forms a gill shaft 402, a convex column 905 is disposed on the gill portion of the female blade cavity 902, and the convex column 905 forms a gill shaft hole 404.

Specifically, in order to facilitate taking out the molded female and male pliers pieces 1 and 2 and avoid the thimble from directly acting on the female and male pliers pieces 1 and 2 and prevent damage to the female and male pliers pieces 1 and 2, a plurality of lifting portion cavities are further arranged in the molding cavity 9, the lifting portion cavities form lifting portions, the lifting portion cavities are respectively communicated with the male and female pliers piece cavities 901 and 902, the lifting portion cavities include a plurality of point cavities 906 arranged on the side surfaces of the male and female pliers piece cavities 901 and 902 and a connecting cavity 907 arranged between the male and female pliers piece cavities 901 and 902, a thimble hole 909 is arranged below the lifting portion cavities, the thimble hole 909 can be inserted, the thimble is used for pushing against the lifting portion to push out the lifting portion together with the female and male pliers pieces 1 and 2, and the lifting portion is broken and separated from the female and male pliers pieces 1 and 2 after powder injection molding, obtain solitary female vice piece 1 and male vice piece 2, can prevent like this that female vice piece 1 and male vice piece 2 from splitting, the deformation at the ejecting in-process of thimble, simultaneously, make the surface of female vice piece 1 and male vice piece 2 not have the thimble seal, make the embryo spare of moulding plastics more pleasing to the eye.

Specifically, because the male caliper sheet cavity 901 and the female caliper sheet cavity 902 both include a finger ring cavity, a lifting part cavity can be arranged in the finger ring cavity, the lifting part cavity can be set to be a cross-shaped cavity 908 in the finger ring cavity, a thimble hole 909 is arranged below the lifting part cavity, the thimble hole 909 is arranged below the cross part of the cross-shaped cavity 908, the ejection force is uniformly applied to four directions of the finger ring cavity through the design of the cross-shaped cavity 908, and the finger ring is prevented from deforming in the ejection process.

Specifically, in order to facilitate bending and separating the female pliers piece 1, the male pliers piece 2 and the lifting portion, a breaking portion cavity 910 is arranged at a connection position of the lifting portion cavity and the male pliers piece cavity 901 and the female pliers piece cavity 902, and the breaking portion cavity 910 is thinner than the male pliers piece cavity 901 and the female pliers piece cavity 902, so as to facilitate breaking.

Specifically, in order to ensure that the upper die 7 and the bottom die 8 are matched in die assembly, the shape of the forming cavity 9 after die assembly is more accurate, four corners of the bottom die 8 are provided with die assembly positioning grooves 801, and four corners of the upper die 7 are provided with die assembly positioning blocks.

Specifically, oil injection channels are further arranged in the upper die 7 and the bottom die 8, hot oil is injected into the oil injection channels in the powder injection process, and the die is heated.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a medical pincers of gill portion holotrichia axle, includes male nipper piece and female nipper piece, male nipper piece and female nipper piece all include binding clip, gill portion and tong arm, a serial communication port, the gill portion of female nipper piece is including two arc press the piece be connected with binding clip and tong arm respectively, is provided with bellied gill axle in the inboard of arbitrary arc press the piece wherein, the gill portion of male nipper piece is including the connection piece be connected with binding clip and tong arm respectively, seted up on the connection piece with the gill axle hole that the gill axle matches, the connection piece of male nipper piece gill portion inserts the centre of two arc press the piece of female nipper piece gill portion, the gill axle inserts in the gill axle hole, presses the arc press the piece to flatten through the mode of coining, fixes male nipper piece and female nipper piece and keeps smooth and easy rotation.

2. The medical gill shaft forceps for the gill portion according to claim 1, wherein the inner sides of the forceps heads of the male forceps sheet and the female forceps sheet are provided with labial teeth.

3. The medical gill shaft forceps at the gill portion of claim 1, wherein the distal ends of the forceps arms of the male forceps piece and the female forceps piece are provided with finger rings and locking teeth.

4. The utility model provides a medical pincers powder injection mold of gill portion holotrichia axle for make the medical pincers of gill portion holotrichia axle of above-mentioned claim 1-3 any one, its characterized in that includes mould and die block, it forms the die cavity with the die block compound die to go up the mould, the die cavity includes male tong piece die cavity and female tong piece die cavity to become the die cavity, one side of female tong piece die cavity is provided with the inserts, the upper and lower arc that is of inserts, the inserts divide into two parts about the gill position of female tong piece die cavity, forms two arc pressing plates, one side of inserts is provided with the recess, the recess forms the gill axle, the gill position of male tong piece die cavity is provided with the projection, the projection forms the gill shaft hole.

5. The gill portion and holotrichia shaft medical forceps powder injection mold according to claim 4, wherein a plurality of lifting portion cavities are further arranged in the molding cavity, the lifting portion cavities are respectively communicated with the male forceps piece cavity and the female forceps piece cavity, the lifting portion cavities comprise a plurality of point-shaped cavities arranged on the side surfaces of the male forceps piece cavity and the female forceps piece cavity and a connecting cavity arranged between the male forceps piece cavity and the female forceps piece cavity, and a thimble hole is arranged below the lifting portion cavity and can be used for inserting a thimble into the thimble hole.

6. The gill portion and holotrichia shaft medical forceps powder injection mold according to claim 4, wherein the male forceps piece cavity and the female forceps piece cavity comprise finger ring cavities, lifting portion cavities are arranged in the finger ring cavities, the lifting portion cavities are cross-shaped cavities, and pin ejecting holes are formed in the lower portions of the lifting portion cavities and are arranged below the cross portions of the cross-shaped cavities.

7. The gill shaft medical forceps powder injection mold of claim 4, wherein the bottom mold has mold closing positioning grooves at four corners.

8. The gill portion and holotrichia shaft medical forceps powder injection mold according to claim 4, further comprising an upper mold fixing plate, a bottom mold fixing plate, guide pillars and ejector pin fixing plates, wherein the upper ends of the guide pillars are fixed on the upper mold fixing plate, the lower ends of the guide pillars are fixed on the bottom mold fixing plate, the upper mold is fixed below the upper mold fixing plate, the ejector pin fixing plate is arranged above the bottom mold fixing plate, and the ejector pins are arranged on the ejector pin fixing plate.

9. The gill portion and holotrichia shaft medical forceps powder injection mold of claim 8, wherein the upper mold fixing plate is provided with an injection port, the upper mold is internally provided with an injection flow passage, the injection flow passage penetrates through the upper mold, and the injection flow passage is respectively communicated with the injection port and the molding cavity.

10. The gill portion and holotrichia shaft medical forceps powder injection mold of claim 4, wherein the upper mold and the bottom mold are further provided with oil injection channels.