Injection mold for tattooing needle

Abstract

The utility model relates to an injection mold for a tattooing needle, which comprises a top plate, a movable mold connected to the lower end of the top plate, a fixed mold arranged at the lower end of the movable mold, a bottom plate connected to the lower end of the fixed mold, a plurality of injection mold grooves formed in the ends, close to each other, of the fixed mold and the movable mold, and connecting grooves formed in the ends, close to each other, of the fixed mold and the movable mold. A plurality of needle grooves are formed in the front end of the fixed mold, the needle grooves are in one-to-one correspondence with the injection mold grooves and are communicated with the injection mold grooves, needle heads are placed on the inner sides of the needle grooves, the needle heads are partially located in the injection mold grooves, the movable mold and the fixed mold are closed for injection molding, and the needle heads and a guide rod are combined together when the guide rod is subjected to injection molding; one-step forming is achieved, and machining efficiency is high.

Description

Technical Field

[0001] The utility model relates to an injection mold, in particular to an injection mold for a tattoo needle. Background Art

[0002] The utility model patent with application number: CN202122469333.7 is an existing product of our company. The application discloses a tattoo integrated needle, including a syringe, a front conduit arranged at the front end of the syringe, a rear conduit arranged on the end cover at the rear end of the syringe, guide rods with front and rear ends respectively sleeved in the front conduit and the rear conduit, a needle installed at the front end of the guide rod, a needle nozzle installed at the front end of the syringe and sleeved on the front conduit and the needle, and an elastic membrane arranged on the guide rod for driving the guide rod to reset. The syringe is provided with air holes, and the front and rear conduits are clearance-matched with the guide rod. The guide rod and needle combination in the tattoo integrated needle is traditionally processed by first completing the guide rod injection molding, and then inserting the metal needle into the guide rod for assembly. It requires two steps, which is cumbersome and has low processing efficiency. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art and provides an injection mold for a tattoo needle. The needle head is placed at the injection molding position of the guide rod. When the guide rod is injected, the needle head and the guide rod are also combined together, and the molding is carried out in one step, with high processing efficiency.

[0004] The utility model adopts a technical solution to solve the technical problem: the injection mold for a tattoo needle comprises a top plate, a movable mold is connected to the lower end of the top plate, a fixed mold is arranged at the lower end of the movable mold, a bottom plate is connected to the lower end of the fixed mold, a plurality of injection mold grooves are formed at the upper end of the fixed mold and the lower end of the movable mold, a connecting groove is formed at the upper end of the fixed mold and the lower end of the movable mold, the connecting groove connects the plurality of injection mold grooves to each other, a plurality of needle grooves are formed at the front end of the fixed mold, the needle grooves correspond to the injection mold grooves one by one and are connected to each other, a needle head is placed inside the needle groove so that the needle head part is located in the injection mold groove, the movable mold and the fixed mold are combined for injection molding, and when the guide rod is injected, the needle head and the guide rod are also combined together, the molding is performed in one step, and the processing efficiency is high.

[0005] In order to further improve it, the upper end of the base plate is fixedly connected to a fixing plate, the upper end of the fixing plate is fixedly connected to a mounting plate, the upper end of the mounting plate is provided with a plurality of placement grooves, the placement grooves correspond to the needle grooves one by one, the upper end of the mounting plate is slidably connected to a push plate, the lower end of the push plate is fixedly connected to a plurality of push blocks, the push blocks are slidably connected to the inner side of the placement groove, a handful of needles are grabbed, and the needles are spread to the upper end of the mounting plate, the needles will fall into the inner side of the placement groove, the excess needles are removed from the mounting plate, the push plate is pushed backward, the push plate drives the push block to move backward, and the push block pushes the needles on the inner side of the placement groove into the inner side of the needle groove, the mold is easy to use and has high processing efficiency.

[0006] For further improvement, a positioning rod is fixedly connected to the left end of the rear side of the mounting plate, and a retaining groove is opened at the left end of the push plate, so that the positioning rod can position the mounting plate.

[0007] To further improve, the movable mold is provided with an injection hole, and the upper end of the top plate is provided with an injection groove, the injection groove is connected with the connecting groove through the injection hole, the molten plastic flows into the injection hole through the injection groove, then flows into the inner side of the connecting groove through the injection hole, and finally flows into the injection mold groove through the connecting groove for injection molding.

[0008] To further improve, both ends of the needle groove are provided with protrusions fixedly connected to the upper end of the fixed mold, a positioning groove is opened on the upper end of the protrusion, and a groove is opened on the lower side of the front end of the movable mold. The protrusion is located on the inner side of the groove, and a number of positioning columns fixedly connected to the lower end of the movable mold are provided on the inner side of the groove. The positioning columns correspond to the needle grooves one by one, and the positioning columns are slidably connected to the inner side of the positioning grooves. The positioning columns can position the needle to ensure that the needle is placed in parallel and avoid the needle from tilting, so that the mold can be used better.

[0009] To further improve, ventilation holes are provided on the rear side of the upper end of the fixed mold and the rear side of the lower end of the movable mold, the ventilation holes correspond to the injection mold grooves one by one, and the ventilation holes are connected to the connecting grooves. When the injection mold grooves are injected, air can be discharged to the outside through the exhaust holes, thereby reducing the air mixed in the injection molded parts and improving the qualified rate of injection molded parts production.

[0010] For further improvement, a plurality of demolding grooves are provided at the upper end of the fixed mold and the lower end of the movable mold, and the demolding grooves are located between the left and right ends of the connecting groove and the two adjacent injection mold grooves, the rear end of the demolding groove is connected with the connecting groove, and the front end of the demolding groove is connected with the injection mold groove. When the whole row of guide rods needs to be removed, the whole row of guide rods can be removed by pulling the plastic parts formed at the demolding grooves, so that the mold is more convenient to use, and the design of the demolding grooves separates the two adjacent guide rods to avoid mutual influence, and the demolding grooves can supplement the molten plastic at the front end of the guide rod to avoid insufficient plastic at the front end of the injection mold groove and cause depression.

[0011] To further improve, a clamping hole is provided at the upper end of the movable mold, a through hole is provided at the lower end of the clamping hole and is opened on the movable mold, a guide shaft is slidably connected to the inner side of the through hole, a clamping shaft is fixedly connected to the upper end of the guide shaft, the clamping shaft is slidably connected to the inner side of the clamping hole, the clamping shaft is located at the lower end of the top plate, mounting holes are provided at both ends of the fixed mold, a sliding sleeve is installed inside the mounting hole, the guide shaft is slidably connected to the inner side of the sliding sleeve, and the movable mold and movement accuracy are higher and the use effect is better through the guide shaft and the sliding sleeve.

[0012] For further improvement, the fixing plate is fixedly connected to the base plate by a third screw, and the mounting plate is fixedly connected to the fixing plate by a fourth screw.

[0013] Further improvement, the top plate is fixedly connected to the movable mold by a first screw, and the bottom plate is fixedly connected to the fixed mold by a second screw.

[0014] The beneficial effects of the utility model are as follows: grab a handful of needles, spread the needles on the upper end of the mounting plate, the needles will fall into the inner side of the placement grooves, excess needles are removed from the mounting plate, push the push plate backwards, the push plate drives the push block to move backwards, the push block pushes the needles on the inner side of the placement grooves into the inner side of the needle grooves, so that the needle parts are located in the injection mold grooves, the movable mold and the fixed mold are combined for injection molding, and when the guide rod is injected, the needle and the guide rod are also combined together, one-step molding, high processing efficiency, the positioning rod can position the mounting plate, the positioning column can position the needle, ensure that the needles are placed in parallel, avoid the needles from tilting, and make the use effect of the mold better, when the injection mold groove is injected, the air can be discharged outwardly through the exhaust hole, reduce the air mixed in the injection molded parts, and improve the qualified rate of the injection molded parts production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the top plate of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the movable mold of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the movable mold of the utility model;

[0019] Figure 5 This is a structural schematic diagram of the fixed mold of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the push plate of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the guide shaft of the utility model.

[0022] Explanation of the accompanying drawings: 1. top plate; 2. first screw; 3. injection groove; 4. movable mold; 5. clamping hole; 6. through hole; 7. injection hole; 8. injection mold groove; 9. demolding groove; 10. connecting groove; 11. vent hole; 12. groove; 13. positioning column; 14. fixed mold; 15. mounting hole; 16. needle groove; 17. bump; 18. positioning groove; 19. second screw; 20. bottom plate; 21. guide shaft; 22. clamping shaft; 23. sliding sleeve; 24. fixing plate; 25. third screw; 26. mounting plate; 27. fourth screw; 28. placement groove; 29. ​​positioning rod; 30. push plate; 31. push block; 32. retaining groove. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] like Figure 1-Figure 5 and Figure 7 As shown in the figure: In this embodiment, a tattoo needle injection mold comprises a top plate 1, the lower end of the top plate 1 is fixedly connected to a movable mold 4 by a first screw 2, the lower end of the movable mold 4 is provided with a fixed mold 14, the lower end of the fixed mold 14 is fixedly connected to a bottom plate 20 by a second screw 19, an injection hole 7 is opened on the movable mold 4, an injection groove 3 is opened on the upper end of the top plate 1, a plurality of injection mold grooves 8 are opened on the ends of the fixed mold 14 and the movable mold 4 close to each other, and a connection is opened on the ends of the fixed mold 14 and the movable mold 4 close to each other. The connecting groove 10 connects a plurality of injection mold grooves 8 to each other, and the injection mold groove 3 is connected to the connecting groove 10 through the injection hole 7. The fixed mold 14 and the movable mold 4 are close to each other at one end and have vent holes 11 on the rear side. The vent holes 11 correspond to the injection mold grooves 8 one by one. The vent holes 11 are connected to the connecting groove 10. The front end of the fixed mold 14 has a plurality of needle grooves 16. The needle grooves 16 correspond to the injection mold grooves 8 one by one and are connected to each other. The left and right ends of the needle grooves 16 are provided with fixed connection holes. A convex block 17 is provided at the upper end of the fixed mold 14, and a positioning groove 18 is provided at the upper end of the convex block 17. A groove 12 is provided at the lower side of the front end of the movable mold 4. A plurality of positioning posts 13 are provided inside the groove 12 and are fixedly connected to the lower end of the movable mold 4. The positioning posts 13 are slidably connected to the inner side of the positioning groove 18. A plurality of demoulding grooves 9 are provided at one end of the fixed mold 14 and the movable mold 4 close to each other. The demoulding grooves 9 are located between the left and right ends of the connecting groove 10 and the two adjacent injection mold grooves 8. The rear end of the demoulding groove 9 is connected to the connecting groove 10. The grooves 10 are connected, the front end of the demoulding groove 9 is connected with the injection mold groove 8, the upper end of the movable mold 4 is provided with a clamping hole 5, the lower end of the clamping hole 5 is provided with a through hole 6 opened on the movable mold 4, the inner side of the through hole 6 is slidably connected with a guide shaft 21, the upper end of the guide shaft 21 is fixedly connected with a clamping shaft 22, the clamping shaft 22 is slidably connected to the inner side of the clamping hole 5, the left and right ends of the fixed mold 14 are provided with mounting holes 15, the inner side of the mounting hole 15 is installed with a sliding sleeve 23, and the guide shaft 21 is slidably connected to the inner side of the sliding sleeve 23.

[0025] Figure 1 and Figure 6 As shown: the upper end of the base plate 20 is fixedly connected to the fixing plate 24 by the third screw 25, the upper end of the fixing plate 24 is fixedly connected to the mounting plate 26 by the fourth screw 27, the upper end of the mounting plate 26 is provided with a plurality of placement grooves 28, the placement grooves 28 correspond one to one with the needle grooves 16, the upper end of the mounting plate 26 is slidably connected to the push plate 30, the lower end of the push plate 30 is fixedly connected to a plurality of push blocks 31, the push blocks 31 are slidably connected to the inner side of the placement groove 28, the left end of the mounting plate 26 is fixedly connected to the positioning rod 29, and the left end of the push plate 30 is provided with a retaining groove 32.

[0026] When the utility model is in use: grab a handful of needles, spread the needles on the upper end of the mounting plate 26 and slide the needles horizontally, the needles will fall into the inner side of the placement groove 28, and the excess needles will be removed from the mounting plate 26, and the push plate 30 will be pushed backward, and the push plate 30 will drive the push block 31 to move backward, and the push block 31 will push the needles on the inner side of the placement groove 28 into the inner side of the needle groove 16, so that the needle parts are located in the injection mold groove 8, and the movable mold 4 and the fixed mold 14 are molded together for injection molding. When the guide rod is injected, the needle and the guide rod are also combined together, and the molding is done in one step, and the processing efficiency is high.

[0027] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A tattoo needle injection mold, comprising a top plate (1), the lower end of the top plate (1) is connected to a movable mold (4), the lower end of the movable mold (4) is provided with a fixed mold (14), and the lower end of the fixed mold (14) is connected to a bottom plate (20), wherein: The fixed mold (14) and the movable mold (4) are provided with a plurality of injection mold grooves (8) at one end close to each other, the fixed mold (14) and the movable mold (4) are provided with a connection groove (10) at one end close to each other, the connection groove (10) and the injection mold groove (8) are communicated with each other, and the front end of the fixed mold (14) is provided with a plurality of needle grooves (16), the needle grooves (16) correspond to the injection mold grooves (8) one by one and are communicated with each other.

2. The tattoo needle injection mold according to claim 1, wherein: The upper end of the bottom plate (20) is fixedly connected to a fixing plate (24), the upper end of the fixing plate (24) is fixedly connected to a mounting plate (26), the upper end of the mounting plate (26) is provided with a plurality of placement grooves (28), the placement grooves (28) correspond to the needle grooves (16) one by one, the upper end of the mounting plate (26) is slidably connected to a push plate (30), the lower end of the push plate (30) is fixedly connected to a plurality of push blocks (31), the push blocks (31) are slidably connected to the inner side of the placement grooves (28).

3. A tattoo needle injection mold according to claim 2, characterized in that: The left end of the mounting plate (26) is fixedly connected with a positioning rod (29), and the left end of the push plate (30) is provided with a retaining groove (32).

4. The tattoo needle injection mold according to claim 1, characterized in that: The movable mold (4) is provided with an injection hole (7), the upper end of the top plate (1) is provided with an injection groove (3), and the injection groove (3) is connected with the connection groove (10) through the injection hole (7).

5. The tattoo needle injection mold according to claim 1, characterized in that: The left and right ends of the needle groove (16) are provided with protrusions (17) fixedly connected to the upper end of the fixed mold (14), and the upper end of the protrusion (17) is provided with a positioning groove (18). The lower side of the front end of the movable mold (4) is provided with a groove (12), and the inner side of the groove (12) is provided with a plurality of positioning columns (13) fixedly connected to the lower end of the movable mold (4), and the positioning columns (13) are slidably connected to the inner side of the positioning groove (18).

6. The tattoo needle injection mold according to claim 1, characterized in that: The fixed mold (14) and the movable mold (4) are both provided with ventilation holes (11) at one end close to each other, the ventilation holes (11) correspond to the injection mold grooves (8) one by one, and the ventilation holes (11) are connected to the connecting grooves (10).

7. The tattoo needle injection mold according to claim 1, characterized in that: The fixed mold (14) and the movable mold (4) are provided with a plurality of demoulding grooves (9) at one end close to each other. The demoulding grooves (9) are located between two adjacent injection mold grooves (8). The demoulding grooves (9) are connected to the connecting grooves (10).

8. The tattoo needle injection mold according to claim 1, characterized in that: The movable mold (4) has a clamping hole (5) at the upper end, a through hole (6) opened on the movable mold (4) is provided at the lower end of the clamping hole (5), a guide shaft (21) is slidably connected to the inner side of the through hole (6), a clamping shaft (22) is fixedly connected to the upper end of the guide shaft (21), and the clamping shaft (22) is slidably connected to the inner side of the clamping hole (5), and the fixed mold (14) has mounting holes (15) at both left and right ends, a sliding sleeve (23) is installed inside the mounting hole (15), and the guide shaft (21) is slidably connected to the inner side of the sliding sleeve (23).

9. The tattoo needle injection mold according to claim 2, characterized in that: The fixing plate (24) is fixedly connected to the base plate (20) via a third screw (25), and the mounting plate (26) is fixedly connected to the fixing plate (24) via a fourth screw (27).

10. The tattoo needle injection mold according to claim 1, characterized in that: The top plate (1) is fixedly connected to the movable mold (4) via a first screw (2), and the bottom plate (20) is fixedly connected to the fixed mold (14) via a second screw (19).

Images