Mold core side-pulling demolding mechanism for electric vehicle LED lamp shell mold

Abstract

The utility model belongs to the technical field of molds, and relates to a mold core side-pulling demolding mechanism of an electric vehicle LED lamp shell mold. The lamp shell forming die comprises a lamp shell forming lower die and a lamp shell forming upper die. In the injection molding process, the lamp shell forming lower mold and the lamp shell forming upper mold are close to each other, molten materials are injected into the mold cavity through the injection molding flow dividing piece, the mold core side pulling demolding assembly is used for synchronously forming a tail hole groove structure of a plastic part, and the hole groove forming demolding piece is used for synchronously forming a middle hole groove structure of the plastic part. Secondary punching finish machining treatment is not needed, the working procedure is shortened, the production cost is reduced, mold opening is conducted after injection molding is completed, the mold core side-pulling demolding assembly is moved to the end away from the tail of the plastic part, side core-pulling demolding is achieved, and then the formed plastic part is directly ejected out through the shell direct ejection part and the hole groove forming demolding part; and the tail hole groove structure and the middle hole groove structure of the plastic part cannot be affected in the ejection process, and the yield of products is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of electric vehicle LED lamp housing mould core side extraction mechanism. BACKGROUND

[0002] Electric vehicle LED lamp housing is one of indispensable parts on electric vehicle, which is made of plastic material. Generally, injection molding is used for injection molding. In the injection molding process of the existing electric vehicle LED lamp housing mold, it is difficult to synchronously form the tail hole groove structure and the middle hole groove structure of the product, and secondary punching finishing treatment is also needed, with more processes and high production cost. Therefore, it is urgent to design an electric vehicle LED lamp housing mold core side extraction mechanism that can overcome the above defects.

[0003] In order to overcome the deficiencies of the prior art, people have explored various solutions, such as a kind of injection mold for fixing lamp on shell [application number: 202320057522.X] is disclosed in Chinese patent, including: open and close connection lower die seat and upper die seat, the lower die seat is provided with lower die core, the lower die core is provided with lower die cavity for forming the back of shell, the upper die seat is provided with upper die core corresponding to the lower die core, the upper die core is provided with upper die cavity for forming the front of shell, when the mold is closed, the lower die cavity and the upper die cavity form a forming cavity of the shell, the cavity bottom of the lower die cavity is provided with a first through slot penetrating through the lower die core, the first through slot is movably provided with a first insert block, the side of the first insert block is provided with a clamping groove for installing the lamp, when the lamp is clamped on the first insert block, the upper surface of the lamp abuts against the cavity bottom of the upper die cavity. However, in the injection molding process, it is still difficult to synchronously form the tail hole groove structure and the middle hole groove structure of the product, and secondary punching finishing treatment is also needed, with the defects of more processes and high production cost. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at the above problems, and provides an electric vehicle LED lamp housing mold core side extraction mechanism.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The application discloses a side core-pulling mechanism of an electric vehicle LED lamp shell mold, which comprises a lamp shell forming lower die and a lamp shell forming upper die, wherein the lamp shell forming upper die is provided with an injection molding shunt above, the lamp shell forming lower die is provided with a plurality of shell forming protrusions inside, the lamp shell forming upper die is provided with a plurality of shell forming cavities corresponding to the positions of the shell forming protrusions and matched in shape inside, a core side pulling mechanism component capable of reciprocating linearly towards or away from one end of the shell forming protrusion is arranged between the lamp shell forming lower die and the lamp shell forming upper die, and a shell straight ejector and a hole and groove forming demolding component are arranged in a staggered manner below the lamp shell forming lower die.

[0007] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, the core side pulling mechanism component comprises two side sliding seats arranged between the lamp shell forming lower die and the lamp shell forming upper die, and a plurality of shell side hole forming rods are arranged on the side sliding seats and abut against the tail portions of the shell forming protrusions.

[0008] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, a sealing connecting cylinder body is arranged between the shell side hole forming rod and the side sliding seat, the sealing connecting cylinder body is in the shape of a truncated cone, and the diameter of the sealing connecting cylinder body is greater than that of the shell side hole forming rod.

[0009] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, a limiting anti-deviation side rail is arranged in the lamp shell forming lower die and slidably connected with the side sliding seat.

[0010] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, the shell straight ejector comprises an ejecting fixed plate arranged below the lamp shell forming lower die, a plurality of straight ejection rods are arranged on the ejecting fixed plate and extend into the shell forming protrusion and slidably connected with the shell forming protrusion.

[0011] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, the hole and groove forming demolding component comprises a plurality of connecting ejection rods arranged on the ejecting fixed plate, and a hole and groove forming shaft is arranged on the top of each connecting ejection rod.

[0012] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, the diameter of the hole and groove forming shaft is smaller than that of the connecting ejection rod, and the hole and groove forming shaft is parallel to the straight ejection rod.

[0013] In the side core-pulling mechanism of the electric vehicle LED lamp shell mold, the injection molding shunt comprises an injection molding main plate and an injection molding shunt plate arranged above the lamp shell forming upper die.

[0014] In the electric vehicle LED lamp shell mold core side-pulling demolding mechanism, the lamp shell forming upper die is internally provided with an upper die cooling water channel.

[0015] In the electric vehicle LED lamp shell mold core side-pulling demolding mechanism, the lamp shell forming lower die is internally provided with a lower die cooling water channel.

[0016] Compared with the prior art, the electric vehicle LED lamp shell mold core side-pulling demolding mechanism has the following advantages:

[0017] 1. In the injection molding process, the lamp shell forming lower die and the lamp shell forming upper die are moved close to each other, so that the shell forming protrusions are attached to the shell forming cavities to form a plurality of cavities, the molten material is injected into the cavities through the injection distribution piece, the core side-pulling demolding assembly is used to synchronously form the tail hole groove structure of the plastic part, the hole groove forming demolding piece is used to synchronously form the middle hole groove structure of the plastic part, secondary punching and finishing processing is not required, the process is shortened, the production cost is reduced, and after the injection molding is completed, the core side-pulling demolding assembly is moved away from the tail end of the plastic part to realize side-pulling core demolding, and then the shell straight top piece and the hole groove forming demolding piece are used to straightly top and eject the formed plastic part, the tail hole groove structure and the middle hole groove structure of the plastic part are not affected during the ejection process, and the yield of the product is improved.

[0018] 2. In the injection molding process, the sealing connection cylinder body can avoid leakage of the molten material, and does not affect the sliding of the side sliding seat, and the structure is compact and reasonable.

[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art through study and practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the present application.

[0021] Figure 2 is a partial structural schematic view of the present application.

[0022] Figure 3 is a partial structural schematic view of the present application in another direction.

[0023] Figure 4 is a structural schematic view of the lamp shell forming upper die.

[0024] In the figure: lamp shell forming lower die 1, lamp shell forming upper die 2, injection molding shunt 3, shell forming protrusion 4, shell forming concave cavity 5, core side extraction demolding assembly 6, shell straight top piece 7, hole groove forming demolding piece 8, side slide base 9, shell side hole forming rod 10, sealing connecting cylinder 11, limit anti-deviation side rail 12, ejection fixed plate 13, straight top rod 14, connecting top rod 15, hole groove forming shaft 16, injection molding main plate 17, injection molding shunt plate 18, upper die cooling waterway 19, lower die cooling waterway 20. DETAILED DESCRIPTION

[0025] The utility model is further described below in combination with the drawings.

[0026] As shown in Figures 1-4 A core side extraction demolding mechanism of an electric vehicle LED lamp shell mold, comprising a lamp shell forming lower die 1 and a lamp shell forming upper die 2, characterized in that the lamp shell forming upper die 2 is provided with an injection molding shunt 3 above, the lamp shell forming lower die 1 is provided with a plurality of shell forming protrusions 4 inside, the lamp shell forming upper die 2 is provided with a plurality of shell forming concave cavities 5 corresponding in position and matching in shape with the shell forming protrusions 4 inside, a core side extraction demolding assembly 6 capable of reciprocating linearly towards or away from one end of the shell forming protrusion 4 is arranged between the lamp shell forming lower die 1 and the lamp shell forming upper die 2, a shell straight top piece 7 and a hole groove forming demolding piece 8 staggered are arranged below the lamp shell forming lower die 1, and the shell straight top piece 7 and the hole groove forming demolding piece 8 correspond to the positions of the shell forming protrusions 4 respectively.

[0027] In this embodiment, during the injection molding process, the lamp shell forming lower die 1 and the lamp shell forming upper die 2 are moved closer to each other, so that the shell forming protrusions 4 are fitted with the shell forming concave cavities 5, forming a plurality of cavities, the molten material is injected into the cavities through the injection molding shunt 3, the core side extraction demolding assembly 6 is used to synchronously form the tail hole groove structure of the plastic part, and the hole groove forming demolding piece 8 is used to synchronously form the middle hole groove structure of the plastic part, without the need for secondary punching and finishing treatment, the process is shortened, the production cost is reduced, and after the injection molding is completed, the mold is opened, the core side extraction demolding assembly 6 is moved away from the tail end of the plastic part, the side core-pulling demolding is realized, and then the shell straight top piece 7 and the hole groove forming demolding piece 8 are used to straightly top out the formed plastic part, without affecting the tail hole groove structure and the middle hole groove structure of the plastic part during the ejection process, thereby improving the yield of the product.

[0028] As shown in Figures 1-4 The core side extraction demolding assembly 6 comprises two side slide bases 9 arranged between the lamp shell forming lower die 1 and the lamp shell forming upper die 2, a plurality of shell side hole forming rods 10 are arranged on the side slide bases 9, and the shell side hole forming rods 10 abut against the tail ends of the shell forming protrusions 4.

[0029] Specifically, in the injection molding process, the shell side hole forming rod 10 abuts against the tail of the shell forming protrusion 4, and the shell side hole forming rod 10 is used to synchronously form the tail hole groove structure of the plastic part, without the need for secondary punching and finishing processing, thereby shortening the process and reducing the production cost.

[0030] The shell side hole forming rod 10 and the side sliding seat 9 are provided with a sealing connection cylinder 11, the sealing connection cylinder 11 is in the shape of a truncated cone, and the diameter of the sealing connection cylinder 11 is greater than the diameter of the shell side hole forming rod 10.

[0031] In this embodiment, in the injection molding process, the sealing connection cylinder 11 can prevent the molten material from leaking out of the side, while not affecting the sliding of the side sliding seat 9, and the structure is compact and reasonable.

[0032] As shown in Figure 3 , Figure 4 , the lamp shell forming lower die 1 is provided with a limiting anti-deviation side rail 12, and the side sliding seat 9 and the limiting anti-deviation side rail 12 are in sliding cooperation.

[0033] In this embodiment, when the side sliding seat 9 slides, the limiting anti-deviation side rail 12 limits the side sliding seat 9, so as to prevent the side sliding seat 9 from deviating in angle when sliding.

[0034] The shell straight top piece 7 includes an ejection fixed plate 13 arranged below the lamp shell forming lower die 1, the ejection fixed plate 13 is provided with a plurality of straight top rods 14 parallel to each other, the straight top rods 14 extend into the shell forming protrusion 4 and are in sliding cooperation with the shell forming protrusion 4, and the hole groove forming demolding piece 8 includes a plurality of connection top rods 15 arranged on the ejection fixed plate 13, and the connection top rods 15 are provided with hole groove forming shafts 16 at the top.

[0035] In this embodiment, the ejection fixed plate 13 is used to connect and fix the straight top rods 14 and the connection top rods 15, in the injection molding process, the hole groove forming shafts 16 are used to synchronously form the middle hole groove structure of the plastic part, without the need for secondary punching and finishing processing, thereby shortening the process and reducing the production cost, when the injection molding ejection is completed, the straight top rods 14, the connection top rods 15 and the hole groove forming shafts 16 are used to straightly eject the formed plastic part, and the tail hole groove structure and the middle hole groove structure of the plastic part will not be affected in the ejection process, thereby improving the yield of the product.

[0036] The diameter of the hole groove forming shaft 16 is smaller than the diameter of the connection top rod 15, and the hole groove forming shaft 16 is parallel to the straight top rod 14.

[0037] In this embodiment, the diameter of the hole groove forming shaft 16 is smaller than the diameter of the connection top rod 15, and the middle hole groove structure of the plastic part will not be damaged in the ejection.

[0038] As shown in Figure 1As shown, the injection molding shunt 3 includes an injection molding main plate 17 and an injection molding shunt plate 18 arranged above the lamp shell forming upper die 2.

[0039] In this embodiment, during the injection molding process, the molten material is injected into the plurality of cavities through the injection molding main plate 17 and the injection molding shunt plate 18.

[0040] In combination Figures 1-3 As shown, the lamp shell forming upper die 2 is provided with an upper die cooling water path 19, and the lamp shell forming lower die 1 is provided with a lower die cooling water path 20.

[0041] In this embodiment, after the injection molding is completed, cooling water is introduced into the upper die cooling water path 19 and the lower die cooling water path 20 to cool the upper and lower surfaces of the plastic part, with a large cooling area and good cooling effect.

[0042] The working principle of the utility model is:

[0043] During the injection molding process, the lamp shell forming lower die 1 and the lamp shell forming upper die 2 are moved closer to each other, so that the shell forming protrusion 4 is attached to the shell forming recess 5, forming a plurality of cavities, the molten material is injected into the plurality of cavities through the injection molding main plate 17 and the injection molding shunt plate 18, the shell side hole forming rod 10 is in abutment with the tail of the shell forming protrusion 4, and the shell side hole forming rod 10 is used to synchronously form the tail hole groove structure of the plastic part, and the hole groove forming shaft 16 is used to synchronously form the middle hole groove structure of the plastic part, without the need for secondary punching and finishing treatment, the process is shortened, the production cost is reduced, the mold is opened after the injection molding is completed, the side slide seat 9 is moved away from the tail end of the plastic part, the side core pulling demolding is realized, and then the molded plastic part is straightly ejected through the straight ejector rod 14, the connecting ejector rod 15 and the hole groove forming shaft 16, the tail hole groove structure and the middle hole groove structure of the plastic part are not affected during the ejection process, the yield of the product is improved,

[0044] During the injection molding process, the sealing connection cylinder body 11 can avoid the leakage of the molten material on the side, and at the same time, the sliding of the side slide seat 9 is not affected, and the structure is compact and reasonable,

[0045] When the side slide seat 9 slides, the side slide seat 9 is limited by the limiting and anti-deviation side rail 12, so that the side slide seat 9 does not deviate in angle during sliding,

[0046] The diameter of the hole groove forming shaft 16 is smaller than the diameter of the connecting ejector rod 15, so that the middle hole groove structure of the plastic part is not damaged during ejection,

[0047] After the injection molding is completed, cooling water is introduced into the upper die cooling water path 19 and the lower die cooling water path 20 to cool the upper and lower surfaces of the plastic part, with a large cooling area and good cooling effect.

[0048] The specific embodiments described herein are merely illustrative of the present application. Various modifications or changes can be made to the specific embodiments described herein by those skilled in the art of the present application without departing from the spirit of the present application.

[0049] Although the terms lamp shell forming lower die 1, lamp shell forming upper die 2, injection molding shunt 3, shell forming protrusion 4, shell forming recess 5, core side-pulling demolding assembly 6, shell straight ejector 7, hole groove forming demolding assembly 8, side slide 9, shell side hole forming rod 10, sealing connecting cylinder 11, limiting anti-deviation side rail 12, ejection fixing plate 13, straight ejector rod 14, connecting ejector rod 15, hole groove forming shaft 16, injection molding main plate 17, injection molding shunt plate 18, upper die cooling waterway 19, lower die cooling waterway 20, etc. are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application, and any kind of additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. An electric vehicle LED lamp housing mold core side-pulling demolding mechanism comprising a lamp housing forming lower mold (1) and a lamp housing forming upper mold (2), characterized in that, The lamp shell forming upper die (2) is provided with an injection molding shunt (3) above, the lamp shell forming lower die (1) is provided with a plurality of shell forming protrusions (4) inside, the lamp shell forming upper die (2) is provided with a plurality of shell forming cavities (5) corresponding to the position of shell forming protrusions (4) and shape matching inside, the lamp shell forming lower die (1) and the lamp shell forming upper die (2) are provided with a core side stripping demolding assembly (6) that can reciprocate linearly along the end of shell forming protrusions (4) close or away, the lamp shell forming lower die (1) is provided with the shell straight top piece (7) and the hole groove forming demolding piece (8) staggered below, the shell straight top piece (7) and the hole groove forming demolding piece (8) correspond to the position of shell forming protrusions (4) respectively.

2. The e-bike LED lamp housing mold core side-pulling demolding mechanism according to claim 1, characterized in that, The core side stripping demolding assembly (6) includes two side sliding seats (9) arranged between the lamp shell forming lower die (1) and the lamp shell forming upper die (2), the side sliding seat (9) is provided with a plurality of shell side hole forming rods (10), and the shell side hole forming rod (10) abuts against the tail of the shell forming protrusion (4).

3. The electric vehicle LED lamp housing mold core side-pull mechanism of claim 2, wherein, The shell side hole forming rod (10) and the side sliding seat (9) are provided with a sealing connection cylinder (11), the sealing connection cylinder (11) is in the shape of a truncated cone, and the diameter of the sealing connection cylinder (11) is greater than the diameter of the shell side hole forming rod (10).

4. The electric vehicle LED lamp housing mold core side-pull mechanism of claim 3, wherein, The lamp shell forming lower die (1) is provided with a limit anti-deviation side rail (12) inside, and the side sliding seat (9) is in sliding fit with the limit anti-deviation side rail (12).

5. The electric vehicle LED fixture housing mold core side-pull mechanism of claim 4, wherein, The shell straight top piece (7) includes an ejection fixed plate (13) arranged below the lamp shell forming lower die (1), the ejection fixed plate (13) is provided with a plurality of straight top rods (14) parallel to each other, the straight top rod (14) extends into the shell forming protrusion (4) and is in sliding fit with the shell forming protrusion (4).

6. The electric vehicle LED fixture housing mold core side-pull mechanism of claim 5, wherein, The hole groove forming demolding piece (8) includes a plurality of connection top rods (15) arranged on the ejection fixed plate (13), and the connection top rod (15) is provided with a hole groove forming shaft (16) at the top.

7. The electric vehicle LED fixture housing mold core side-pull mechanism of claim 6, wherein, The diameter of the hole groove forming shaft (16) is less than the diameter of the connection top rod (15), and the hole groove forming shaft (16) is parallel to the straight top rod (14).

8. The electric vehicle LED fixture housing mold core side-pull mechanism of claim 7, wherein, The injection molding shunt (3) includes an injection molding main plate (17) and an injection molding shunt plate (18) arranged above the lamp shell forming upper die (2).

9. The electric vehicle LED fixture housing mold core side-pull mechanism of claim 1, wherein, The lamp shell forming upper die (2) is provided with an upper die cooling waterway (19) inside.

10. The electric vehicle LED lamp housing mold core side-pull mechanism of claim 1, wherein, The lamp shell forming lower die (1) is provided with a lower die cooling waterway (20) inside.

Images