Multi-cavity mold for manufacturing medical needle tube

Abstract

The utility model provides a multi-cavity die for manufacturing a medical needle tube. The multi-cavity die for manufacturing the medical needle tube comprises a bottom plate, a base is arranged at the top of the bottom plate, an inner die frame is installed in a lower die holder, a material guiding seat is arranged in the middle of the interior of an inner cavity, and a material guiding rack is arranged on the side of the material guiding seat. The forming cavity with the material guide seat is arranged in the upper die seat, the material guide racks are arranged on the two sides of the material guide seat, materials can be guided towards the interior of the forming cavity through the inclined material guide grooves in the material guide racks, during material injection, external injection molding materials are injected into the material guide seat through the material injection opening, and the injection molding efficiency is improved. The injection molding liquid can be reheated through the electric heating piece in the material guide seat, so that the flowability of the injection molding liquid is guaranteed, then the injection molding liquid can quickly flow to the multiple forming cavities along the inclined material guide groove, the multiple forming cavities can be quickly filled with the liquid, in this way, the injection molding efficiency can be greatly improved, the injection molding liquid cannot be cooled, and the injection molding quality is improved. And the device is suitable for needle tube multi-cavity mold processing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to needle tube processing technical field relates to medical needle tube manufacturing multi -cavity mould. BACKGROUND

[0002] In recent years, with the gradually powerful precision level plastic mould, the output of plastic products is more and more big, and the precision requirement is more and more high, especially the plastic mould of medical industry is required more and more, and the plastic mould for producing plastic products is the important component indispensable in the whole production process of plastic products, and the structure of mould has direct influence on product quality and production process, and the product quantity of one time forming of current needle tube mould is less, and the production efficiency is low, and the practicality is not strong, therefore, multi -cavity mould is applied more, but the internal cavity needle tube mould piece of existing multi -cavity mould has only one flow channel, and when injection moulding, needs to be filled in multiple forming cavities through this one flow channel, and needs to fill multiple forming cavities one by one, and the mould piece of multiple flow channels is also plane flow channel, and there are two problems, first, the processing efficiency of injection moulding is slow, and second, the flow channel is filled for a long time, and the fluidity is poor due to the temperature drop of flow channel liquid. SUMMARY

[0003] The utility model discloses a medical needle tube manufacturing multi -cavity mould can solve the problem in the background art.

[0004] The utility model discloses a medical needle tube manufacturing multi -cavity mould can solve the problem in the background art.

[0005] Medical needle tube manufacturing multi -cavity mould, including bottom plate, base, lower mould seat, upper mould seat and inner mould frame, the top of bottom plate is provided with base, the top of base is provided with lower mould seat, the top of lower mould seat is provided with upper mould seat, the inside installation of lower mould seat has inner mould frame, the inside of inner mould frame is provided with inner chamber, the inside of inner chamber is provided with a plurality of forming cavities, the middle part in the inner chamber is provided with guide seat, the side of guide seat is provided with guide rack, and the bottom end of guide rack is located at the side of forming cavity.

[0006] In the medical needle tube manufacturing multi -cavity mould described above, the inside of base is provided with push plate, and the top of push plate is provided with a plurality of ejector pins.

[0007] In the medical needle tube manufacturing multi -cavity mould described above, the top of upper mould seat is provided with top plate, and the top end of top plate is provided with injection port.

[0008] In the medical needle tube manufacturing multi -cavity mould described above, the inside of guide seat is provided with heating cavity, and the inside of heating cavity is provided with electric heating film.

[0009] The inside of the material guiding rack is provided with a slanting material guiding groove, one end of the slanting material guiding groove is communicated with the heating cavity, and the front end of the slanting material guiding groove is provided with a material discharging head which is arranged in the inside side of the forming cavity.

[0010] The inside of the upper die base is provided with a material discharging base which is pressed on the top of the material guiding base, and the two sides of the material discharging base are provided with forming bases which are matched with the forming cavities.

[0011] Compared with the prior art, the medical needle tube manufacturing multi-cavity mold has the following advantages:

[0012] The inside of the upper die base is provided with a material guiding base, and the two sides of the material guiding base are provided with material guiding racks, the material guiding racks can guide the material to the inside of the forming cavities through the slanting material guiding grooves in the material guiding racks, when injecting the material, the external injection material is injected into the inside of the material guiding base through the injection ports, the injection liquid can be heated again by the electric heating pieces in the material guiding base, so that the flowability of the injection liquid is ensured, then the injection liquid can quickly flow to the multiple forming cavities along the slanting material guiding grooves, the multiple forming cavities can be quickly filled with the liquid, so that the efficiency of injection is greatly improved, the injection liquid will not be cooled, and the needle tube multi-cavity mold processing is suitable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the medical needle tube manufacturing multi-cavity mold.

[0014] Figure 2 is a top structural schematic view of the lower die base of the medical needle tube manufacturing multi-cavity mold.

[0015] Figure 3 is a structural schematic view of the inner cavity of the medical needle tube manufacturing multi-cavity mold.

[0016] In the drawing, 1 is a bottom plate, 2 is a base, 3 is a lower die base, 4 is an upper die base, 5 is a top plate, 6 is an injection port, 7 is an inner die frame, 8 is an inner cavity, 9 is a top needle, 10 is a forming cavity, 11 is a material guiding base, 12 is a material guiding rack, 13 is a slanting material guiding groove, 14 is a heating cavity, and 15 is an electric heating piece. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and is further described in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] The utility model provides a medical needle tube manufacturing multi -cavity mould, including bottom plate 1, base 2, lower mould base 3, upper mould base 4 and inner mould frame 7, the top of bottom plate 1 is provided with base 2, the top of base 2 is provided with lower mould base 3, the top of lower mould base 3 is provided with upper mould base 4, the inside mounting of lower mould base 3 has inner mould frame 7, the inside of inner mould frame 7 is seted up with inner chamber 8, and the inside of inner chamber 8 is seted up with multiple forming cavity 10, and the middle part in inner chamber 8 is provided with guide material seat 11, and the side of guide material seat 11 is provided with guide material rack 12, and the bottom end of guide material rack 12 is located in the side position of forming cavity 10.

[0019] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model discloses a medical needle tube manufacturing multi -cavity mould, specifically, the inside of base 2 is provided with pusher plate, and the top of pusher plate is provided with multiple ejector pin 9.

[0020] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model discloses a medical needle tube manufacturing multi -cavity mould, specifically, the top of upper mould base 4 is provided with top plate 5, and the top end of top plate 5 is seted up with injection port 6.

[0021] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model discloses a medical needle tube manufacturing multi -cavity mould, specifically, the inside of guide material seat 11 is seted up with heating cavity 14, and the inside of heating cavity 14 is seted up with electric heating film 15.

[0022] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model discloses a medical needle tube manufacturing multi -cavity mould, specifically, the inside of guide material rack 12 is seted up with oblique guide material groove 13, one end of oblique guide material groove 13 is communicated with heating cavity 14, the front end of oblique guide material groove 13 is provided with discharge head, and the discharge head is located in the inside side of forming cavity 10.

[0023] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model discloses a medical needle tube manufacturing multi -cavity mould, specifically, the inside of upper mould base 4 is provided with the material seat, and the material seat is pressed in the top of guide material seat 11, and the both sides of material seat are provided with the forming seat that cooperates with forming cavity 10.

[0024] This utility model relates to a multi-cavity mold for manufacturing medical needles. The upper mold base 4 contains a molding cavity 10 with a guide seat 11. Guide frames 12 are located on both sides of the guide seat 11. The guide frame 12 guides the material towards the molding cavity 10 via an inclined guide channel 13 inside. During injection, external plastic is injected into the guide seat 11 through the injection port 6. The heating element 15 inside the guide seat 11 reheats the injection liquid, ensuring its fluidity. The injection liquid then flows rapidly along the inclined guide channel 13 to multiple molding cavities 10, allowing for rapid filling of the multiple molding cavities. This significantly improves injection efficiency, and the injection liquid does not cool down, making it suitable for processing multi-cavity molds for needles.

[0025] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A multi-cavity mold for manufacturing medical needles, comprising a base plate (1), a base (2), a lower mold base (3), an upper mold base (4), and an inner mold frame (7), characterized in that, The base plate (1) is provided with a base (2) at the top, the base (2) is provided with a lower mold base (3) at the top, the lower mold base (3) is provided with an upper mold base (4) at the top, the lower mold base (3) is provided with an inner mold frame (7) inside, the inner mold frame (7) is provided with an inner cavity (8) inside, the inner cavity (8) is provided with a plurality of molding cavities (10) inside, the middle part of the inner cavity (8) is provided with a guide seat (11), the side of the guide seat (11) is provided with a guide platform (12), and the bottom end of the guide platform (12) is located on the side of the molding cavity (10).

2. The multi-cavity mold for manufacturing medical needles according to claim 1, characterized in that, The base (2) is provided with a push plate inside, and the top of the push plate is provided with a plurality of push pins (9).

3. The multi-cavity mold for manufacturing medical needles according to claim 1, characterized in that, The top of the upper mold base (4) is provided with a top plate (5), and the top of the top plate (5) is provided with an injection port (6).

4. The multi-cavity mold for manufacturing medical needles according to claim 1, characterized in that, The material guide seat (11) has a heating chamber (14) inside, and the heating chamber (14) has an electric heating element (15) inside.

5. The multi-cavity mold for manufacturing medical needles according to claim 4, characterized in that, The guide frame (12) has an inclined guide groove (13) inside. One end of the inclined guide groove (13) is connected to the heating chamber (14). The front end of the inclined guide groove (13) is provided with a discharge head, and the discharge head is placed on the inner side of the forming chamber (10).

6. The multi-cavity mold for manufacturing medical needles according to claim 1, characterized in that, The upper mold base (4) is provided with a material feeding seat inside, and the material feeding seat is pressed against the top of the guide seat (11). The material feeding seat is provided with a molding seat on both sides that cooperates with the molding cavity (10).

Images