CN218399285U

CN218399285U - Shark fin formula antenna housing injection mold who easily ejecting

Info

Publication number: CN218399285U
Application number: CN202122712781.5U
Authority: CN
Inventors: 吴晓洪
Original assignee: Tian Si Li Plastics Co ltd
Current assignee: Tian Si Li Plastics Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2023-01-31
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses an easy ejecting shark fin formula antenna housing injection mold belongs to injection mold technical field, includes upper die base, upper die backing plate, upper die, lower mould, die holder and lower die backing plate from last to down in proper order, be equipped with the runner on the upper die base, runner department is equipped with the runner cover, be equipped with upper die benevolence on the upper die, be equipped with the die cavity in the upper die benevolence, the department that meets of upper die benevolence and die cavity tip is equipped with the air discharge duct, be equipped with lower die benevolence on the lower mould, be equipped with the core relative with the die cavity on the lower die benevolence, be equipped with the runner that communicates with die cavity and runner in upper die base, the upper die backing plate; the core pulling mechanism is arranged between the upper die and the lower die, the lower die base plate is sequentially provided with a material pushing plate and a fixed plate, and the material pushing plate is provided with an ejection mechanism communicated with the bottom of the cavity. The shark fin type antenna shell injection mold easy to eject is used for injection molding of a shark fin type antenna shell, ejection of products is facilitated, and quality of injection molding products is guaranteed.

Description

Shark fin formula antenna housing injection mold who easily ejecting

Technical Field

The utility model belongs to the technical field of injection mold, specifically, relate to an easily ejecting fin formula antenna housing injection mold of shark.

Background

With the popularization of automobiles, the automobile manufacturing industry is also rapidly developed, and as a vehicle, people have not only been a vehicle but also have been improved in other performances of automobiles. Because the inside of the automobile is a closed space, the mobile phone has no signal inside the automobile, and in order to meet the use requirement, an antenna is generally arranged on the top of the automobile, so that the mobile phone is convenient for receiving signals to enable a user in the automobile to use a radio, a vehicle-mounted telephone or navigation equipment.

At present, the vehicle-mounted antenna is generally wireless, and the shell of the vehicle-mounted antenna is generally formed by injection molding of plastic parts; because the automobile operation speed is very fast, the antenna pedestal with the common shape can bear larger wind pressure, the stability is poorer, and the shark fin type antenna is designed to ensure that both sides of the shark fin type antenna can bear smaller wind pressure, thereby reducing the whole wind pressure of the antenna pedestal and being convenient for practical use. However, for the injection molding with the shape, the product is not easy to eject by adopting the traditional ejector pin, and the surface of the product is damaged if the ejection force is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an easily ejecting fin formula antenna housing injection mold of shark, this kind of easily ejecting fin formula antenna housing injection mold of shark is used for the injection moulding to fin formula antenna housing of shark, makes things convenient for ejecting of product, guarantees the injection moulding product quality.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an easy-to-eject shark fin type antenna shell injection mold sequentially comprises an upper mold base, an upper mold base plate, an upper mold, a lower mold base and a lower mold base plate from top to bottom, wherein a sprue is arranged on the upper mold base, a sprue bush is arranged at the sprue, an upper mold core is arranged on the upper mold, a cavity is arranged in the upper mold core, an exhaust groove is arranged at the joint of the upper mold core and the end part of the cavity, a lower mold core is arranged on the lower mold, a mold core opposite to the cavity is arranged on the lower mold core, and a flow passage communicated with the cavity and the sprue is arranged in the upper mold base and the upper mold base plate; the core pulling mechanism is arranged between the upper die and the lower die, the lower die base plate is sequentially provided with a material pushing plate and a fixing plate, and the material pushing plate is provided with an ejection mechanism communicated with the bottom of the die cavity.

Furthermore, the four corners of the upper mold core are provided with first positioning grooves, and the lower mold core is provided with first positioning blocks which are opposite to the first positioning grooves and have adaptive shapes and sizes. The mold closing precision is enhanced, and the product molding precision is ensured.

Furthermore, guide sleeves are arranged at four corners of the upper die, and guide columns which are opposite to the guide sleeves in position and are adaptive to the guide sleeves in size are arranged on the lower die.

Furthermore, a group of second positioning grooves are formed in the upper die, and second positioning blocks which are opposite to the second positioning grooves in position and are adaptive to the shape and the size of the second positioning grooves are arranged on the lower die. And the die assembly precision of the upper die and the lower die is enhanced.

Furthermore, a first upper cooling pipe is arranged in the upper die base plate and close to the cavity, a second upper cooling pipe is arranged in the upper die and close to the cavity, and a lower cooling pipe is arranged in the lower die and close to the bottom of the mold core. The product is convenient to form.

Further, the core pulling mechanism comprises a first fixed block and a second fixed block, wherein the first fixed block is arranged on the lower surface of the upper die and close to the side face of the cavity, the second fixed block is close to the end part of the cavity, and a first movable block and a second movable block which are opposite to the first fixed block and the second fixed block are arranged on the lower die. After the core-pulling mechanism is used for injection molding, demolding of the mold is facilitated, and ejection of a product is facilitated.

Furthermore, the lower die and the two sides of the lower die, which are connected with the first movable block, are provided with first stop blocks, a first sliding groove is formed between the lower surface of the first stop block and the lower die, and the bottom side of the first movable block can move along the first sliding groove.

Furthermore, the lower die and the two sides of the lower die, which are connected with the second movable block, are respectively provided with a second stop block, a second sliding groove is formed between the lower surface of the second stop block and the lower die, and the bottom side of the second movable block can move along the second sliding groove. And the stability of the first movable block and the second movable block in the moving process is enhanced.

Further, ejection mechanism includes first kicking block, second kicking block, a pair of third kicking block and a set of thimble, core both ends are located respectively to first kicking block and second kicking block, and the bottom is equallyd divide and is do not located on the scraping wings through the connecting rod, and is a pair of the third kicking block is located core both sides and bottom respectively and is located on the scraping wings, and a set of thimble bottom is located on the fixed plate, and the core surface is located on the top. The first ejector block and the second ejector block are adopted to jack up two ends of a product, the third ejector block jacks up two sides of the product, the product is simultaneously jacked up by matching with the ejector pins, jacking force can be saved, and damage to the surface of the product can be avoided.

Has the beneficial effects that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a pair of fin formula antenna housing injection mold of easy ejecting shark, this kind of fin formula antenna housing injection mold of easy ejecting shark are used for the injection moulding to fin formula antenna housing of shark, make things convenient for ejecting of product, guarantee the injection moulding product quality.

Drawings

Fig. 1 is a structural diagram of an injection mold for an easily ejected shark fin type antenna housing according to the present invention;

FIG. 2 is a top mold structure according to the present invention;

FIG. 3 is a lower mold structure diagram of the present invention;

fig. 4 is a structural diagram of the ejection mechanism of the present invention.

In the figure: 1, 11 gates, 12 gate sleeves, 2 upper die backing plates, 21 first upper cooling tubes, 3 upper dies, 31 upper die cores, 311 cavities, 312 first positioning grooves, 313 exhaust grooves, 32 guide sleeves, 33 second positioning grooves, 34 second upper cooling tubes, 4 lower dies, 41 lower die cores, 411 cores, 412 first positioning blocks, 42 guide posts, 43 second positioning blocks, 44 lower cooling tubes, 5 lower die seats, 6 lower die backing plates, 61 ejector plates, 62 fixing plates, 7 core pulling mechanisms, 71 first inclined guide rods, 72 first fixing blocks, 73 first movable blocks, 731 first guide rod grooves, 74 first stoppers, 741 first sliding grooves, 75 second inclined guide rods, 76 second fixing blocks, 77 second movable blocks, 771 second guide rod grooves, 78 second stoppers, 781 second sliding grooves, 8 ejection mechanisms, 81 first ejector blocks, 82 connecting rods, 83 second ejector blocks, 84 third ejector blocks and 85.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further elucidated with reference to the drawings and the embodiments.

Examples

As shown in fig. 1-4, an easy-to-eject shark fin type antenna housing injection mold sequentially comprises an upper mold base 1, an upper mold backing plate 2, an upper mold 3, a lower mold 4, a lower mold base 5 and a lower mold backing plate 6 from top to bottom, wherein a gate 11 is arranged on the upper mold base 1, a gate sleeve 12 is arranged at the gate 11, an upper mold insert 31 is arranged on the upper mold 3, a cavity 311 is arranged in the upper mold insert 31, an exhaust groove 313 is arranged at the joint of the upper mold insert 31 and the end of the cavity 311, a lower mold insert 41 is arranged on the lower mold 4, a mold core 411 opposite to the cavity 311 is arranged on the lower mold insert 41, and runners communicated with the cavity 311 and the gate 11 are arranged in the upper mold base 1 and the upper mold backing plate 2; a core-pulling mechanism 7 is arranged between the upper die 3 and the lower die 4, a material pushing plate 61 and a fixing plate 62 are sequentially arranged on the lower die base plate 6, and an ejection mechanism 8 communicated with the bottom of the cavity 311 is arranged on the material pushing plate 61.

The upper mold core 31 has first positioning grooves 312 at four corners, and the lower mold core 41 has first positioning blocks 412 corresponding to the first positioning grooves 312 in position and size; guide sleeves 32 are arranged at four corners of the upper die 3, and guide columns 42 which are opposite to the guide sleeves 32 and have the same size are arranged on the lower die 4; a group of second positioning grooves 33 are formed in the upper die 3, and second positioning blocks 43 which are opposite to the second positioning grooves 33 and are adaptive to the shape and size are arranged on the lower die 4; a first upper cooling pipe 21 is arranged in the upper die base plate 2 close to the cavity 311, a second upper cooling pipe 34 is arranged in the upper die 3 close to the cavity 311, and a lower cooling pipe 44 is arranged in the lower die 4 close to the bottom of the core 411.

In addition, the core pulling mechanism 7 comprises a first fixed block 72 arranged on the lower surface of the upper die 3 and close to the side surface of the cavity 311, a second fixed block 76 arranged on the lower surface of the upper die 3 and close to the end part of the cavity 311, and a first movable block 73 and a second movable block 77 which are arranged on the lower die 4 and are opposite to the first fixed block 72 and the second fixed block 76, wherein a first inclined guide rod 71 is arranged on the first fixed block 72, a second inclined guide rod 75 is arranged on the second fixed block 76, a first guide rod groove 731 opposite to the first inclined guide rod 71 is arranged on the first movable block 73, and a second guide rod groove 771 opposite to the second inclined guide rod 75 is arranged on the second movable block 77; the two sides of the lower die 4 connected with the first movable block 73 are both provided with a first stop block 74, a first sliding groove 741 is formed between the lower surface of the first stop block 74 and the lower die 4, and the bottom side of the first movable block 73 can move along the first sliding groove 741; the lower die 4 and the second movable block 77 are connected to each other, a second stopper 78 is disposed on each of two sides of the lower die 4, a second sliding groove 781 is formed between the lower surface of the second stopper 78 and the lower die 4, and the bottom side of the second movable block 77 can move along the second sliding groove 781.

In addition, the ejection mechanism 8 includes a first ejector block 81, a second ejector block 83, a pair of third ejector blocks 84 and a set of ejector pins 85, the first ejector block 81 and the second ejector block 83 are respectively disposed at two ends of the mold core 411, the bottoms of the first ejector block 81 and the second ejector block 83 are respectively disposed on the material pushing plate 61 through the connecting rod 82, the pair of third ejector blocks 84 are respectively disposed at two sides of the mold core 411, the bottoms of the third ejector blocks are disposed on the material pushing plate 61, the bottoms of the set of ejector pins 85 are disposed on the fixing plate 62, and the tops of the third ejector blocks are disposed on the surface of the mold core 411.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an easy ejecting shark fin formula antenna housing injection mold which characterized in that: the die comprises an upper die base (1), an upper die base plate (2), an upper die (3), a lower die (4), a lower die base (5) and a lower die base plate (6) in sequence from top to bottom, wherein a sprue (11) is arranged on the upper die base (1), a sprue bush (12) is arranged at the sprue (11), an upper die core (31) is arranged on the upper die (3), a cavity (311) is arranged in the upper die core (31), an exhaust groove (313) is arranged at the joint of the upper die core (31) and the end part of the cavity (311), a lower die core (41) is arranged on the lower die (4), a die core (411) opposite to the cavity (311) is arranged on the lower die core (41), and a flow passage communicated with the cavity (311) and the sprue (11) is arranged in the upper die base (1) and the upper die base plate (2); a core-pulling mechanism (7) is arranged between the upper die (3) and the lower die (4), a material pushing plate (61) and a fixing plate (62) are sequentially arranged on the lower die base plate (6), and an ejection mechanism (8) communicated with the bottom of the cavity (311) is arranged on the material pushing plate (61).

2. The easy-to-eject shark fin antenna case injection mold of claim 1, wherein: the four corners of the upper die core (31) are provided with first positioning grooves (312), and the lower die core (41) is provided with first positioning blocks (412) which are opposite to the first positioning grooves (312) and have adaptive shapes and sizes.

3. The easy-to-eject shark fin antenna case injection mold of claim 1, wherein: guide sleeves (32) are arranged at four corners of the upper die (3), and guide columns (42) which are opposite to the guide sleeves (32) in position and are adaptive to the guide sleeves in size are arranged on the lower die (4).

4. The easy-to-eject shark fin antenna case injection mold of claims 1 or 3, wherein: the upper die (3) is provided with a group of second positioning grooves (33), and the lower die (4) is provided with second positioning blocks (43) which are opposite to the second positioning grooves (33) in position and are adaptive to the shape and the size.

5. The easy-to-eject shark fin antenna case injection mold of claim 1, wherein: go up mold backing plate (2) in be close to die cavity (311) department and be equipped with first cooling tube (21) on, go up mold (3) in be close to die cavity (311) department and be equipped with cooling tube (34) on the second, be close to die core (411) bottom department in lower mould (4) and be equipped with down cooling tube (44).

6. The easy-to-eject shark fin antenna case injection mold of claim 1, wherein: the core pulling mechanism (7) comprises a first fixing block (72) arranged on the lower surface of an upper die (3) and close to the side face of a cavity (311), a second fixing block (76) close to the end part of the cavity (311), and a first movable block (73) and a second movable block (77) which are arranged on a lower die (4) and opposite to the first fixing block (72) and the second fixing block (76), wherein a first inclined guide rod (71) is arranged on the first fixing block (72), a second inclined guide rod (75) is arranged on the second fixing block (76), a first guide rod groove (731) opposite to the first inclined guide rod (71) is formed in the first movable block (73), and a second guide rod groove (771) opposite to the second inclined guide rod (75) is formed in the second movable block (77).

7. The easy-to-eject shark fin antenna case injection mold of claim 6, wherein: the lower die (4) and the first movable block (73) are connected, first stop blocks (74) are arranged on two sides of the lower die (4), a first sliding groove (741) is formed between the lower surface of each first stop block (74) and the lower die (4), and the bottom side of each first movable block (73) can move along the corresponding first sliding groove (741).

8. The easy-to-eject shark fin antenna case injection mold of claim 6, wherein: the lower die (4) is connected with the second movable block (77), the two sides of the lower die are both provided with second stop blocks (78), a second sliding groove (781) is formed between the lower surface of each second stop block (78) and the lower die (4), and the bottom side of each second movable block (77) can move along the corresponding second sliding groove (781).

9. The easy-to-eject shark fin antenna case injection mold of claim 1, wherein: ejection mechanism (8) are including first kicking block (81), second kicking block (83), a pair of third kicking block (84) and a set of thimble (85), core (411) both ends are located respectively to first kicking block (81) and second kicking block (83), and the bottom is equallyd divide and is do not located scraping wings (61) through connecting rod (82), and is a pair of on core (411) both sides and bottom are located scraping wings (61) are located respectively to third kicking block (84), and a set of on fixed plate (62) is located to thimble (85) bottom, core (411) surface is located on the top.