CN112172053A

CN112172053A - Injection molding equipment for producing medical kit

Info

Publication number: CN112172053A
Application number: CN202011146465.XA
Authority: CN
Inventors: 胡沁
Original assignee: Haoying Biotechnology Suzhou Co ltd
Current assignee: Haoying Biotechnology Suzhou Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-01-05

Abstract

The invention relates to the technical field of injection molding of medical kits and discloses injection molding equipment for producing medical kits, which comprises a fixed plate, wherein the top of the fixed plate is fixedly connected with a lower die, an upper die is arranged above the lower die, fixed rods are fixedly connected to the left side and the right side of the top of the fixed plate, integrally molded supporting plates are fixedly connected to the tops of the two fixed rods, a hydraulic cylinder is fixedly connected to the top of the supporting plate, the output end of the hydraulic cylinder penetrates through and is slidably connected to the lower portion of the supporting plate, and the output end of the hydraulic cylinder is fixedly connected with the top of the upper die. Through starting the pneumatic cylinder, at the in-process that the upper die rises, owing to behind the inboard top of fixed pipe through the cushion displacement, the interact between the upper and lower limiting plate of formation can make the motion of upper ejector pin and lower ejector pin, and the fixture block of simultaneous movement can be with the die cavity of the ejecting mould of fashioned product, the drawing of patterns of the shaping product of being convenient for.

Description

Injection molding equipment for producing medical kit

Technical Field

The invention relates to the technical field of injection molding of medical kits, in particular to injection molding equipment for producing medical kits.

Background

The medical kit generally refers to a box for containing chemical reagents for detecting chemical components, drug residues, virus types and the like, and the manufacturing process of the medical kit is generally formed by an injection mold, and the injection mold can improve the production efficiency of producing the kit.

However, the existing injection mold for the kit is inconvenient in stripping, the molded product can be stuck on the mold and is inconvenient to take down, and inconvenience is brought to workers.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides injection molding equipment for producing a medical kit, which has the advantages of being convenient for taking an injection molded finished product of the kit away from a mold, and solving the problem that the injection molded finished product of the kit is inconvenient to demold.

(II) technical scheme

In order to realize the purpose that the injection molding finished product of the kit can be conveniently separated from the mold and conveniently taken, the invention provides the following technical scheme: an injection molding device for producing a medical kit comprises a fixed plate, wherein the top of the fixed plate is fixedly connected with a lower die, an upper die is arranged above the lower die, the left side and the right side of the top of the fixed plate are fixedly connected with fixed rods, the tops of the two fixed rods are fixedly connected with an integrally formed supporting plate, the top of the supporting plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder penetrates through and is connected to the lower side of the supporting plate in a sliding manner, the output end of the hydraulic cylinder is fixedly connected with the top of the upper die, the left side and the right side of the bottom of the upper die are both connected with upper ejector rods in a sliding manner, the top ends of the two upper ejector rods penetrate through and extend to the upper side of the upper die, the left side and the right side of the top of, two the bottom of ejector pin and two equal fixedly connected with limiting plate in top of going up the ejector pin down, the left and right sides of going up the mould all is equipped with the telescoping device, two the below of sliding connection to fixed plate is all run through and two to the bottom of telescoping device the both ends of telescoping device respectively with four limiting plate fixed connection, two the outside of going up ejector pin and two lower ejector pins all is overlapped and is equipped with the spring, the top two the bottom of spring all with last mould fixed connection, two in the below the top of spring all with fixed plate fixed connection, four the one end that the mould was gone up in the spring was kept away from respectively with four limiting plate fixed connection.

Preferably, the telescoping device includes two movable rods, the below the bottom of movable rod runs through and sliding connection to the below of fixed plate, the below the bottom and the below limiting plate fixed connection of movable rod, below the fixed pipe of top fixedly connected with of movable rod, the inside of fixed pipe is equipped with the cushion, the top and the top limiting plate fixed connection of movable rod, top the bottom of movable rod runs through and sliding connection to the inside of fixed pipe, top the bottom and the cushion fixed connection of movable rod.

Preferably, first draw-in grooves have all been seted up to the left and right sides of going up the mould bottom, the second draw-in groove has all been seted up to the left and right sides at lower mould top, two the inboard of first draw-in groove and two second draw-in grooves all is equipped with the fixture block, two in the top of fixture block respectively with two last ejector pin fixed connection, two in the below the bottom of fixture block respectively with two lower ejector pin fixed connection.

Preferably, two limiting devices are fixedly connected between the supporting plate and the upper die and are respectively positioned on the left side and the right side of the output end of the hydraulic cylinder.

Preferably, stop device includes spacing pipe, the top and the backup pad fixed connection of spacing pipe, the inside sliding connection of spacing pipe has the gag lever post, the bottom of gag lever post runs through and extends to the bottom of spacing pipe, the bottom and the last mould fixed connection of gag lever post.

Preferably, the left and right sides of backup pad bottom all fixedly connected with thimble, two the thimble is located two limiting plates directly over of top respectively.

(III) advantageous effects

Compared with the prior art, the invention provides injection molding equipment for producing a medical kit, which has the following beneficial effects:

1. the injection molding equipment for producing the medical kit can mold the kit by matching the upper die and the lower die, the injection molding generally injects raw materials into a die cavity between the upper die and the lower die after the die assembly through a feed pipeline, the kit can be adhered to the die cavity of the upper die or the lower die after being molded, after the upper die and the lower die are assembled, the four springs are all in a natural stress state, the kit can be normally molded by the upper die and the lower die as required, when a hydraulic cylinder is started, the upper die moves upwards to separate the upper die and the lower die, the two upper ejector rods, the two upper springs and the two upper limiting plates move upwards as required, the distance change between the two upper ejector rods and the lower ejector rods does not occur, after the certain distance is raised, because of the action of a telescopic device, the two upper limiting plates and the two lower limiting plates can pull each other, the upper limiting, the lower limiting plate moves upwards and pushes the lower spring and the lower ejector rod, so that one end of the upper ejector rod and one end of the lower ejector rod move to one side, opposite to the upper die and the lower die, of the upper die, namely, a formed reagent box between the upper die and the lower die can be ejected out, so that the formed reagent box is convenient to pick up.

2. This injection moulding equipment of production medical kit, when through last mould upward movement, the movable rod and the also synchronous upward movement of cushion of top, when the inboard top of fixed pipe of cushion upward movement, the movable rod that becomes the top pulls the movable rod of below, the interact power between the two can drive two and go up the ejector pin and two lower ejector pins die cavity with the ejecting mould of fashioned product, four springs are the state of whole compressed this moment, and go up the ejector pin and the ejector pin is not centre gripping shaping product down, can be convenient for take off the shaping product, because the cushion has gone up the one end distance after fixed intraductal side upward movement, it upwards pulls fixed pipe to be the cushion.

3. This injection moulding equipment of production medical kit, through the setting of first draw-in groove and second draw-in groove and fixture block, can be convenient for go up the stability of ejector pin and lower ejector pin after mould and lower mould compound die, after last mould and lower mould compound die, the effect of spring is the outside of guaranteeing the fixture block and the die cavity of mould flushes, guarantee fashioned product integrality, the spring plays the effect of stabilizing and supporting ejector pin and lower ejector pin, in the in-process that the mould descends in pneumatic cylinder control, the spring is the process that resumes initial state gradually by compression state, can guarantee to go up the ejector pin after mould and lower mould merge and lower ejector pin and fixture block do not influence product injection moulding.

4. This injection moulding equipment of production medical kit can increase the stability that the mould reciprocated through two stop device, takes place to rock and slope when avoiding going up the mould and reciprocate to influence the injection moulding of product.

5. This injection moulding equipment of production medical kit can slide from top to bottom in the inboard of spacing pipe through the top of gag lever post, and two sets of gag lever posts and spacing pipe can increase the stability that the mould reciprocated, and also accord with the trend that the pneumatic cylinder drove the mould up-and-down motion.

6. This injection moulding equipment of production medical kit, after upward movement through last mould, the thimble plays a spacing effect, and the limiting plate of top at first touches the thimble, can stop the pneumatic cylinder when the thimble is touched to the limiting plate, avoids going up mould continuation upward movement back its top and touches spacing pipe, and after the limiting plate contacts the thimble, only goes up the ejector pin downstream, has given the buffering time that the mould stopped.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a fixing plate; 2. a lower die; 3. an upper die; 4. fixing the rod; 5. a support plate; 6. a hydraulic cylinder; 7. an ejector rod is arranged; 8. a lower ejector rod; 9. a limiting device; 901. a limiting pipe; 902. a limiting rod; 10. a limiting plate; 11. a telescoping device; 111. a movable rod; 112. a fixed tube; 113. cushion blocks; 12. a spring; 13. a first card slot; 14. a second card slot; 15. a clamping block; 16. and (4) a thimble.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an injection molding apparatus for producing a medical kit comprises a fixing plate 1, a lower mold 2 is fixedly connected to the top of the fixing plate 1, an upper mold 3 is disposed above the lower mold 2, fixing rods 4 are fixedly connected to the left and right sides of the top of the fixing plate 1, an integrally formed support plate 5 is fixedly connected to the tops of the two fixing rods 4, a hydraulic cylinder 6 is fixedly connected to the top of the support plate 5, the output end of the hydraulic cylinder 6 penetrates and is slidably connected to the lower side of the support plate 5, the output end of the hydraulic cylinder 6 is fixedly connected to the top of the upper mold 3, upper push rods 7 are slidably connected to the left and right sides of the bottom of the upper mold 3, the top ends of the two upper push rods 7 penetrate and extend to the upper side of the upper mold 3, lower push rods 8 are slidably connected to the left and right sides of the top of the lower, the bottom ends of the two lower ejector rods 8 and the top ends of the two upper ejector rods 7 are fixedly connected with limiting plates 10, the left side and the right side of the upper die 3 are respectively provided with a telescopic device 11, the bottom ends of the two telescopic devices 11 penetrate through and are connected to the lower part of the fixing plate 1 in a sliding manner, two ends of the two telescopic devices 11 are respectively fixedly connected with the four limiting plates 10, springs 12 are sleeved outside the two upper ejector rods 7 and the two lower ejector rods 8, the bottom ends of the two upper springs 12 are respectively fixedly connected with the upper die 3, the top ends of the two lower springs 12 are respectively fixedly connected with the fixing plate 1, one ends of the four springs 12 far away from the upper die 3 are respectively fixedly connected with the four limiting plates 10, the reagent kit can be formed by matching the upper die 3 and the lower die 2, the injection molding generally injects raw materials into a die groove between the upper die 3 and the lower die 2 after, after the upper die 3 and the lower die 2 are assembled, the four springs 12 are all in a natural stressed state, and it is required to ensure that the upper die 3 and the lower die 2 can normally form the reagent kit, when the hydraulic cylinder 6 is started, the upper die 3 moves upwards to separate the upper die 3 from the lower die 2, the two upper ejector rods 7, the two upper springs 12 and the two upper limiting plates 10 move upwards along with the upward movement without mutual distance change, after the upper die rises for a certain distance, due to the action of the expansion device 11, the two upper limiting plates 10 and the two lower limiting plates 10 can be pulled mutually, the upper limiting plate 10 moves downwards and extrudes the upper springs 12 and the upper ejector rods 7, the lower limiting plate 10 moves upwards and ejects the lower springs 12 and the lower ejector rods 8, so that one ends of the upper ejector rods 7 and the lower ejector rods 8 move to one side opposite to the upper die 3 and the lower die 2, that is to eject the formed reagent kit between the upper die 3 and the lower die, the upper ejector rod 7 and the lower ejector rod 8 can eject the formed product out of the die cavity of the die no matter the formed product is stuck in the die cavity of the upper die 3 or the lower die 2.

Further, the telescopic device 11 comprises two movable rods 111, the bottom end of the lower movable rod 111 penetrates through and is slidably connected to the lower portion of the fixed plate 1, the bottom end of the lower movable rod 111 is fixedly connected with the lower limiting plate 10, the top end of the lower movable rod 111 is fixedly connected with the fixed tube 112, a cushion block 113 is arranged inside the fixed tube 112, the top end of the upper movable rod 111 is fixedly connected with the upper limiting plate 10, the bottom end of the upper movable rod 111 penetrates through and is slidably connected to the inside of the fixed tube 112, the bottom end of the upper movable rod 111 is fixedly connected with the cushion block 113, when the upper die 3 moves upwards, the upper movable rods 111 and the cushion block 113 also move upwards synchronously, when the cushion block 113 moves upwards to the top portion of the inner side of the fixed tube 112, the upper movable rod 111 pulls the lower movable rod 111, the mutual acting force between the two movable rods can drive the two upper ejector rods 7 and the two lower ejector rods 8 to eject the formed product out, at this time, the four springs 12 are in a completely compressed state, and the upper ejector rod 7 and the lower ejector rod 8 do not clamp the molded product, so that the molded product can be conveniently taken down, because the cushion block 113 upwards pulls the fixed pipe 112 after moving upwards by a distance from one end inside the fixed pipe 112.

Further, the left side and the right side of the bottom of the upper die 3 are both provided with first clamping grooves 13, the left side and the right side of the top of the lower die 2 are both provided with second clamping grooves 14, the inner sides of the two first clamping grooves 13 and the two second clamping grooves 14 are both provided with clamping blocks 15, the tops of the two clamping blocks 15 above are respectively fixedly connected with the two upper ejector rods 7, the bottoms of the two clamping blocks 15 below are respectively fixedly connected with the two lower ejector rods 8, through the arrangement of the first clamping grooves 13, the second clamping grooves 14 and the clamping blocks 15, the upper ejector rods 7 and the lower ejector rods 8 can be conveniently stabilized after the upper die 3 and the lower die 2 are assembled, the spring 12 has the function of ensuring the outer sides of the clamping blocks 15 and the die grooves of the die and ensuring the integrity of the formed products, the spring 12 has the functions of stabilizing and supporting the upper ejector rods 7 and the lower ejector rods 8, in the process that the, can guarantee to go up ejector pin 7 and lower ejector pin 8 and fixture block 15 and do not influence product injection moulding after going up mould 3 and lower mould 2 and merging.

Further, two stop device 9 of fixedly connected with between backup pad 5 and the last mould 3, two stop device 9 are located the left and right sides of 6 output ends of pneumatic cylinder respectively, can increase the stability that mould 3 reciprocated through two stop device 9, take place to rock and the slope when avoiding going up mould 3 and reciprocate to influence the injection moulding of product.

Further, stop device 9 includes spacing pipe 901, the top and the 5 fixed connection of backup pad of spacing pipe 901, the inside sliding connection of spacing pipe 901 has gag lever post 902, the bottom of gag lever post 902 runs through and extends to the bottom of spacing pipe 901, the bottom and the last mould 3 fixed connection of gag lever post 902, top through gag lever post 902 can slide from top to bottom in the inboard of spacing pipe 901, two sets of gag lever posts 902 and spacing pipe 901 can increase the stability that mould 3 reciprocated, and also accord with the trend that pneumatic cylinder 6 drove last mould 3 up-and-down motion.

Further, the equal fixedly connected with thimble 16 in the left and right sides of backup pad 5 bottom, two thimbles 16 are located two limiting plates 10 in the top directly over respectively, after upward movement through last mould 3, thimble 16 plays a spacing effect, limiting plate 10 of top touches thimble 16 at first, can stop pneumatic cylinder 6 when limiting plate 10 touches thimble 16, avoid going up mould 3 and continue its top after upward movement and touch spacing pipe 901, and after limiting plate 10 contacted thimble 16, only go up the downward movement of ejector pin 7, the buffering time of going up mould 3 and stopping has been given.

It should be noted that the type of the hydraulic cylinder 6 used in the present invention may be HSGL01-G, other electric elements according to the present invention may be provided with a control switch matching with the hydraulic cylinder, and the installation position of the control switch may be selected according to actual requirements, which will not be described herein.

The working principle is as follows: the kit can be formed by matching the upper die 3 and the lower die 2, raw materials are injected into a die cavity between the upper die 3 and the lower die 2 after die assembly through a feeding pipeline in injection molding, the kit can be adhered to the die cavity of the upper die 3 or the lower die 2 after being formed, the four springs 12 are all in a natural stress state after the upper die 3 and the lower die 2 are die assembled, the four clamping blocks 15 are respectively positioned at the inner sides of two first clamping grooves 13 and two second clamping grooves 14, the kit can be normally formed when the upper die 3 and the lower die 2 are die assembled, when the hydraulic cylinder 6 is started, the upper die 3 moves upwards to separate the upper die 3 from the lower die 2, the two upper ejector rods 7, the two upper springs 12 and the two upper limiting plates 10 move upwards along with the movement, the distance change between the two upper limiting plates 10 and the two lower limiting plates 10 do not pull each other through the two movable rods 111 after the top of the 113 cushion block is lifted for a certain distance to contact, the upper limiting plate 10 moves downwards and extrudes the upper spring 12 and the upper ejector rod 7, the lower limiting plate 10 moves upwards and ejects the lower spring 12 and the lower ejector rod 8, so that the cushion block 113 at one end of the upper ejector rod 7 and one end of the lower ejector rod 8 move to one side opposite to the upper die 3 and the lower die 2, namely the formed reagent kit between the upper die 3 and the lower die 2 can be ejected out for picking up, and the upper ejector rod 7 and the lower ejector rod 8 can eject the formed product out of the die cavity of the die no matter the formed product is stuck in the die cavity of the upper die 3 or the lower die 2. in the process of lifting the upper die 3, the upper ejector rod 7 and the lower ejector rod 8 can move due to the interaction between the upper limiting plate 10 and the lower limiting plate 10 after the cushion block 113 is displaced to the top of the inner side of the fixed tube 112 by starting the hydraulic cylinder 6, and the formed product can be ejected out of the die cavity of the die by the fixture block 15, facilitating the demoulding of the formed product.

It should be noted that each device in the present application is a common device in the market, and can be selected according to the requirement when in specific use, and the circuit connection relationship of each device all belongs to a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, and those skilled in the art can easily implement the circuit connection, and belong to the prior art, and are not described again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection moulding equipment of production medical kit, includes fixed plate (1), its characterized in that: the top of the fixing plate (1) is fixedly connected with a lower die (2), an upper die (3) is arranged above the lower die (2), fixing rods (4) are fixedly connected to the left side and the right side of the top of the fixing plate (1), an integrally formed supporting plate (5) is fixedly connected to the tops of the two fixing rods (4), a hydraulic cylinder (6) is fixedly connected to the top of the supporting plate (5), the output end of the hydraulic cylinder (6) penetrates through and is connected to the lower side of the supporting plate (5) in a sliding manner, the output end of the hydraulic cylinder (6) is fixedly connected with the top of the upper die (3), upper ejector rods (7) are slidably connected to the left side and the right side of the bottom of the upper die (3), the top ends of the two upper ejector rods (7) penetrate through and extend to the upper side of the upper die (3), and lower ejector rods, two the bottom of lower ejector pin (8) all runs through lower mould (2), fixed plate (1) and sliding connection in proper order to the below of fixed plate (1), two the bottom of lower ejector pin (8) and two equal fixedly connected with limiting plate (10) in top of going up ejector pin (7), the left and right sides of going up mould (3) all is equipped with telescoping device (11), two the bottom of telescoping device (11) all runs through and sliding connection in the below of fixed plate (1), two the both ends of telescoping device (11) respectively with four limiting plate (10) fixed connection, two the outside of going up ejector pin (7) and two lower ejector pin (8) all overlaps and is equipped with spring (12), the top is two the bottom of spring (12) all with last mould (3) fixed connection, two the below the top of spring (12) all with fixed plate (1) fixed connection, four the one end that last mould (3) was kept away from in spring (12) is respectively with four limiting plate (10) fixed connection .

2. The injection molding apparatus for producing a medical kit according to claim 1, wherein: telescoping device (11) includes two movable rod (111), the below the bottom of movable rod (111) runs through and sliding connection to the below of fixed plate (1), the below the bottom and below limiting plate (10) fixed connection, the below of movable rod (111) the fixed pipe (112) of top fixedly connected with of movable rod (111), the inside of fixed pipe (112) is equipped with cushion (113), the top and top limiting plate (10) fixed connection, the top of movable rod (111) the bottom of movable rod (111) runs through and sliding connection to the inside of fixed pipe (112), the top the bottom and cushion (113) fixed connection of movable rod (111).

3. The injection molding apparatus for producing a medical kit according to claim 1, wherein: go up the left and right sides of mould (3) bottom and all seted up first draw-in groove (13), second draw-in groove (14), two have all been seted up to the left and right sides at lower mould (2) top first draw-in groove (13) all are equipped with fixture block (15) with the inboard of two second draw-in grooves (14), and the top is two the top of fixture block (15) respectively with two last ejector pin (7) fixed connection, two below the bottom of fixture block (15) respectively with two lower ejector pin (8) fixed connection.

4. The injection molding apparatus for producing a medical kit according to claim 1, wherein: two stop devices (9) of fixedly connected with between backup pad (5) and last mould (3), two stop devices (9) are located the left and right sides of pneumatic cylinder (6) output respectively.

5. The injection molding apparatus for producing a medical kit according to claim 4, wherein: the limiting device (9) comprises a limiting pipe (901), the top of the limiting pipe (901) is fixedly connected with the supporting plate (5), a limiting rod (902) is connected to the inside of the limiting pipe (901) in a sliding mode, the bottom end of the limiting rod (902) penetrates through and extends to the bottom of the limiting pipe (901), and the bottom end of the limiting rod (902) is fixedly connected with the upper die (3).

6. The injection molding apparatus for producing a medical kit according to claim 4, wherein: the equal fixedly connected with thimble (16) of the left and right sides of backup pad (5) bottom, two thimble (16) are located two limiting plate (10) directly over of top respectively.