Transfusion tee joint die

Abstract

The utility model provides a transfusion three-way mould which comprises a front mould and a rear mould, a product glue injection cavity is enclosed and formed in the mould during mould closing, and a first inclined through rod, a second inclined through rod and a side through rod which are connected with each other are arranged in the product glue injection cavity to reserve a three-way runner; the first inclined through rod and the second inclined through rod are coaxially arranged, and the front mold is provided with a first driving mechanism for driving the first inclined through rod to move axially and a second driving mechanism for driving the second inclined through rod to move axially; one end, away from the connection point, of the side through rod is fixedly connected with the rear mold. According to the infusion tee joint mold, a pipe cavity of an infusion tee joint is reserved through the first inclined through rod, the second inclined through rod and the side through rod which stretch out and draw back in the axial direction, and all the through rods retract during mold opening, so that a product can be smoothly demolded. In addition, the transfusion three-way mold shapes internal threads for the connector of the product through the wheel disc provided with external threads, and the rod sleeve connected with the wheel disc is driven to rotate so that the wheel disc can be separated from the product.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely relates to a transfusion tee mold. BACKGROUND

[0002] The transfusion tee is a part of transfusion kit, it has a straight pipe and the side pipe that communicates with the straight pipe, wherein the end of each pipe section can be selected as the luer taper, the luer taper is a kind of standardized microfiltration connector, it greatly simplifies the management of liquid and gaseous medical fluid, and the luer taper can switch four infusion bags without plugging patient infusion needle, and the connector also allows multiple compatible fluids to be managed using the same pipeline, thereby reducing the wound on the patient, the transfusion tee can be divided into T-type tee and Y-type tee according to shape, the mold of T-type tee is relatively simple, but the extension direction of the pipe section of Y-type tee cannot be consistent or parallel with the clamping direction, and the volume is small, so that the mold design is difficult, and the demolding is difficult. SUMMARY

[0003] In view of the defects in the background art, the utility model provides a transfusion tee mold, three pipe sections of the transfusion tee are shaped by one telescopic through rod lumen, so that the transfusion tee can be smoothly demolded after forming.

[0004] The utility model provides a transfusion tee mold, including front mould and back mould, the product injection cavity is formed in the enclosure of the mold when clamping, the first oblique through rod, second oblique through rod and side through rod are connected in the product injection cavity to reserve tee flow channel;

[0005] The first oblique through rod and the second oblique through rod are coaxially arranged, the front mould is equipped with the first drive mechanism for driving the axial movement of the first oblique through rod and the second drive mechanism for driving the axial movement of the second oblique through rod;

[0006] The end of the side through rod away from the connection point is fixedly connected with the back mould.

[0007] Preferably, the side through rod is provided with a rod sleeve on the periphery, the end of the rod sleeve close to the connection point is provided with a wheel disc, and the other end is elastically connected to the back mould;

[0008] The periphery of the wheel disc is provided with external threads;

[0009] The back mould is provided with a third drive mechanism for driving the rotation of the rod sleeve.

[0010] Preferably, the third drive mechanism includes an oil cylinder, a rack and a gear set, one end of the rack is fixedly connected with the telescopic rod of the oil cylinder, the rack is in transmission connection with the gear set, and the gear set is further in transmission connection with the rod sleeve gear provided on the periphery of the rod sleeve.

[0011] Preferably, the first driving mechanism comprises a pulling rod connected with the front mold and extending in the closing direction, the pulling rod is provided with a first inclined sliding groove, and a tail end of the first inclined sliding rod is slidingly arranged in the first inclined sliding groove.

[0012] Preferably, the second driving mechanism comprises a translation sliding block slidingly arranged on the rear mold, the translation sliding block is provided with a second inclined sliding groove, and a tail end of the second inclined sliding rod is slidingly arranged in the second inclined sliding groove.

[0013] The translation sliding block is provided with a guide hole in the closing direction, a guide rod is arranged in the guide hole, a tail end of the guide rod is fixedly connected with the front mold, and the front part is provided with a bent foot.

[0014] Preferably, the rear mold is provided with a first row position and a second row position arranged oppositely, and the product glue injection cavity is formed by the first row position and the second row position when the mold is closed.

[0015] The first row position and the second row position also form a glue injection runner when the mold is closed, the front mold is provided with a glue injection port, the glue injection port is communicated with a glue inlet end of the glue injection runner through a pipeline, and a glue outlet end of the glue injection runner is communicated with the product glue injection cavity.

[0016] Preferably, the first row position and the second row position form two product glue injection cavities when the mold is closed, the glue injection runner is provided with two glue outlet ends, and each glue outlet end is communicated with one product glue injection cavity.

[0017] Preferably, the rear mold is provided with two pairs of row positions, each pair of row positions is formed by one first row position and one second row position, each product glue injection cavity is provided with one first inclined sliding rod, one second inclined sliding rod and one side sliding rod, and each side sliding rod is provided with a rod sleeve.

[0018] The gear set comprises a middle gear and four planetary gears surrounding the middle gear, and each planetary gear is in transmission connection with one rod sleeve gear.

[0019] The beneficial effects of the utility model include that the infusion three-way mold reserves the pipe cavity of the infusion three-way through the first inclined sliding rod, the second inclined sliding rod and the side sliding rod which can be axially extended and retracted, the product can be smoothly demolded when the sliding rods are retracted during mold opening, the infusion three-way mold shapes the internal thread of the connecting head of the product through the disc provided with external threads, and the disc is separated from the product by rotating the rod sleeve connected with the disc through driving; the first row position and the second row position form the glue injection runner and the product glue injection cavity, the waste glue in the glue injection runner is demolded together with the product during demolding, and the waste glue which is solidified after demolding is prevented from causing the flow channel to be blocked. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be described in detail in combination with the embodiments and the drawings, wherein:

[0021] Figure 1 It is the perspective view of the infusion three-way mold of the utility model.

[0022] Figure 2 is an internal structure diagram of the infusion tee mold.

[0023] Figure 3 is a structural schematic diagram of the infusion tee product.

[0024] Figure 4 is a structural schematic diagram of the first driving mechanism.

[0025] Figure 5 is a structural schematic diagram of the second driving mechanism.

[0026] Figure 6 is a structural schematic diagram of the third driving mechanism.

[0027] Figure 7 is a structural schematic diagram of the first row position.

[0028] Reference signs:

[0029] 1-front mold, 11-glue injection port, 2-back mold, 3-product glue injection cavity, 41-first inclined through rod, 42-second inclined through rod, 43-side through rod, 44-rod sleeve, 45-wheel disc, 5-first driving mechanism, 51-lifting rod, 52-first inclined sliding groove, 6-second driving mechanism, 61-translation sliding block, 62-second inclined sliding groove, 63-guide hole, 64-guide rod, 65-knee, 7-infusion tee product, 71-straight pipe, 72-side through pipe, 73-luer connector, 8-third driving mechanism, 81-oil cylinder, 82-rack, 83-middle gear, 84-planetary gear, 91-first row position, 92-second row position, 93-glue injection runner. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model.

[0031] Therefore, one feature described in the specification will be used to explain one feature of one embodiment of the utility model, and it is not suggested that each embodiment of the utility model must have the explained feature. In addition, it should be noted that the specification describes many features. Although certain features can be combined together to show possible system designs, these features can also be used in other combinations that are not explicitly explained. Therefore, unless otherwise explained, the explained combination is not intended to be limited.

[0032] The principle of the utility model will be described in detail below in combination with the drawings and examples.

[0033] The utility model provides a kind of infusion tee mould, including front mould 1 and rear mould 2, product glue cavity 3 is formed when mould is closed, first inclined through rod 41, second inclined through rod 42 and side through rod 43 are equipped with in product glue cavity 3 to reserve tee flow passage;First inclined through rod 41 and second inclined through rod 42 are coaxially arranged, front mould 1 is equipped with first drive mechanism 5 for driving the axial movement of first inclined through rod 41 and second drive mechanism 6 for driving the axial movement of second inclined through rod 42;Side through rod 43 is fixedly connected with rear mould 2 at one end away from junction point.

[0034] Infusion tee mould is applicable to the production of Y-type tee, and the lumen of infusion tee is reserved by the first inclined through rod 41, the second inclined through rod 42 and the side through rod 43 which are axially telescopic. Among the three pipe sections of the infusion tee product 7, two pipe sections constitute a coaxial straight pipe 71, and the lumen of the straight pipe 71 is shaped by the first inclined through rod 41 and the second inclined through rod 42. The side through rod 43 is used to shape a side through pipe 72 of the infusion tee product 7. When the mould is opened, the through rods are retracted so that the product can be smoothly demoulded.

[0035] The side through pipe 72 of the infusion tee product 7 is provided with a luer connector 73, the side through rod 43 is provided with a rod sleeve 44 around the periphery, one end of the rod sleeve 44 close to the junction point is provided with a wheel disc 45, and the other end is elastically connected to the rear mould 2. The wheel disc 45 is provided with external threads around the periphery. The luer connector 73 is shaped by the wheel disc 45 and the product glue cavity 3. The rear mould 2 is provided with a third drive mechanism 8 for driving the rotation of the rod sleeve 44. The wheel disc 45 is released from the restriction of the threads by rotating the rod sleeve 44 so as to be smoothly demoulded.

[0036] In the embodiment, the rear mould 2 is provided with two pairs of rows, each pair of rows is composed of one first row 91 and one second row 92 arranged oppositely, and the paired first row 91 and second row 92 are folded when the mould is closed and separated when the mould is opened. Each pair of rows encloses two product glue cavities 3 when folded, so that four infusion tee products 7 can be produced at one time in the embodiment. Each product glue cavity 3 is provided with one first inclined through rod 41, one second inclined through rod 42 and one side through rod 43, and each side through rod 43 is provided with a rod sleeve 44. The first row 91 and the second row 92 also enclose a glue injection channel 93 when the mould is closed. The front mould 1 is provided with a glue injection port 11 which is communicated with the glue injection end of the glue injection channel 93 through a pipeline, and the glue outlet end of the glue injection channel 93 is communicated with the product glue cavity 3. The glue injection channel 93 is provided with two glue outlet ends, each of which is communicated with one product glue cavity 3. When the mould is opened, the waste glue in the glue injection channel 93 which is cooled and solidified can be demoulded together with the infusion tee product 7, so as to avoid the blockage of the channel in the subsequent production.

[0037] In the embodiment, the third driving mechanism 8 comprises a cylinder 81, a rack 82 and a gear set, one end of the rack 82 is fixedly connected with a telescopic rod of the cylinder 81, the rack 82 is in transmission connection with the gear set, and the gear set is further in gear transmission connection with the rod sleeve 44 gears arranged on the side of the rod sleeve 44. The gear set comprises a middle gear 83 and four planetary gears 84 surrounding the side of the middle gear 83, each planetary gear 84 is in gear transmission connection with one rod sleeve 44 gear. Under the driving of the cylinder 81, the four wheel discs 45 rotate synchronously, and the infusion three-way product 7 is separated through the matched threads. When the mold is opened, the side through rod 43 is separated from the infusion three-way product 7 along with the separation of the rear mold 2 from the front mold 1.

[0038] In the embodiment, the first driving mechanism 5 comprises a pulling rod 51 connected with the front mold 1 and extending in the mold closing direction, the pulling rod 51 is provided with a first inclined sliding groove 52, and the tail end of the first inclined through rod 41 is slidingly arranged in the first inclined sliding groove 52. When the mold is opened, the pulling rod 51 is separated from the rear mold 2 along with the front mold 1, and simultaneously the first inclined sliding groove 52 is used to pull the first inclined through rod 41 to separate from the infusion three-way product 7; when the mold is closed, the pulling rod 51 is separated from the rear mold 2 along with the front mold 1, and simultaneously the first inclined sliding groove 52 is used to pull the first inclined through rod 41 to separate from the infusion three-way product 7.

[0039] In the embodiment, the second driving mechanism 6 comprises a translation sliding block 61 slidingly arranged on the rear mold 2, the translation sliding block 61 is provided with a second inclined sliding groove 62, the tail end of the second inclined through rod 42 is slidingly arranged in the second inclined sliding groove 62, the translation sliding block 61 is provided with a guide hole 63 in the mold closing direction, a guide rod 64 is arranged in the guide hole 63, the tail end of the guide rod 64 is fixedly connected with the front mold 1, and a crank 65 is arranged at the front end. When the mold is opened, the crank 65 pushes the translation sliding block 61 to slide to the edge of the rear mold 2, and the translation sliding block 61 pulls the second inclined through rod 42 to separate from the infusion three-way product 7 through the second inclined sliding groove 62; when the mold is closed, the crank 65 pushes the translation sliding block 61 to slide to the middle of the rear mold 2, and the translation sliding block 61 pushes the second inclined through rod 42 to extend into the product glue injection cavity 3 through the second inclined sliding groove 62.

[0040] The above merely describes the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A mold for a T-joint, comprising a front mold and a back mold, and when the mold is closed, a product cavity is formed in the mold, characterized in that, The product glue injection cavity is provided with a first inclined through rod, a second inclined through rod and a side through rod connected with each other to reserve a three-way flow channel; The first inclined through rod and the second inclined through rod are coaxially arranged, the front mold is provided with a first driving mechanism for driving the first inclined through rod to move axially and a second driving mechanism for driving the second inclined through rod to move axially; The end of the side through rod away from the connection point is fixedly connected with the rear mold.

2. The infusion tee mold of claim 1, wherein, The side through rod is provided with a rod sleeve on the periphery, the rod sleeve is provided with a wheel disc at the end close to the connection point and is elastically connected to the rear mold at the other end; The periphery of the wheel disc is provided with external threads; The rear mold is provided with a third driving mechanism for driving the rod sleeve to rotate.

3. The infusion tee mold of claim 2, wherein, The third driving mechanism comprises a cylinder, a rack and a gear set, one end of the rack is fixedly connected with the telescopic rod of the cylinder, the rack is in transmission connection with the gear set, and the gear set is further in transmission connection with a rod sleeve gear arranged on the periphery of the rod sleeve.

4. The infusion tee mold of claim 3, wherein, The first driving mechanism comprises a lifting rod connected with the front mold and extending in the closing direction, the lifting rod is provided with a first inclined sliding groove, and the tail end of the first inclined through rod is slidingly arranged in the first inclined sliding groove.

5. The infusion tee mold of claim 4, wherein, The second driving mechanism comprises a translation sliding block slidingly installed on the rear mold, the translation sliding block is provided with a second inclined sliding groove, and the tail end of the second inclined through rod is slidingly arranged in the second inclined sliding groove. The translation sliding block is provided with a guide hole in the closing direction, a guide rod is arranged in the guide hole, the tail end of the guide rod is fixedly connected with the front mold, and the front part is provided with a bent foot.

6. The infusion tee mold of claim 5, wherein, The rear mold is provided with a first row position and a second row position arranged oppositely, and the product glue injection cavity is formed by the first row position and the second row position when the mold is closed; The first row position and the second row position also form a glue injection flow channel when the mold is closed, the front mold is provided with a glue injection port, the glue injection port is in communication with the glue inlet end of the glue injection flow channel through a pipeline, and the glue outlet end of the glue injection flow channel is in communication with the product glue injection cavity.

7. The infusion tee mold of claim 6, wherein, The first row position and the second row position form two product glue injection cavities when the mold is closed, and the glue injection flow channel is provided with two glue outlet ends, each of which is in communication with one product glue injection cavity.

8. The infusion tee mold of claim 7, wherein, The rear mold is provided with two pairs of row positions, each pair of row positions is formed by one first row position and one second row position, each product glue injection cavity is provided with one first inclined through rod, one second inclined through rod and one side through rod, and each side through rod is provided with a rod sleeve; The gear set comprises a middle gear and four planetary gears arranged around the periphery of the middle gear, and each planetary gear is in transmission connection with one rod sleeve gear.

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