CN213166664U

CN213166664U - Injection mold of injection molding part with side hole

Info

Publication number: CN213166664U
Application number: CN202021347974.4U
Authority: CN
Inventors: 南基学
Original assignee: Yejia Optical Technology Guangdong Corp
Current assignee: Yejia Optical Technology Guangdong Corp
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-05-11
Anticipated expiration: 2030-07-10

Abstract

The utility model provides a take injection mold of side opening injection molding, be equipped with a plurality of mounting grooves in the bed die plate, be equipped with mould benevolence in the mounting groove, mould benevolence one side is equipped with the movable hole, be equipped with the slide bar in the movable hole, slide bar one end is connected with the locking piece, and the other end is connected with first spring, the slide bar lower extreme is connected with the extension board, mould benevolence with the bed die plate is equipped with the confession the groove of dodging of extension board activity, the extension board downside is equipped with the push rod, the push rod lower extreme is connected with the push pedal, the extension board lower terminal surface and the push pedal up end is the scarf, the push pedal upside still is equipped with the thimble, the thimble with the clearance has between the push pedal, mould ben. The utility model discloses an injection mold utilizes bulldozing of push pedal to make the flexible removal of lock block, and it is ejecting with the injection molding through the thimble at last, simple structure, and the product drawing of patterns is efficient.

Description

Injection mold of injection molding part with side hole

Technical Field

The utility model relates to a technical field of moulding plastics, concretely relates to take injection mold of side opening injection molding.

Background

The injection molding product is a common daily product, and is widely applied to the fields of household products, medical equipment, building materials, sports equipment and the like due to the advantages of light weight, high strength, good durability, strong assembly and the like. In the manufacturing process of injection molding products, plastic materials in a molten state are generally uniformly stirred by a screw extruder at a certain temperature, then injected into an injection mold, molded in a cavity of the injection mold, cooled and solidified to obtain a molded injection molding product, and then the injection molding product is pushed down from the injection mold by an ejector pin.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a take injection mold of side opening injection molding utilizes bulldozing of push pedal to make the flexible removal of lock block, and it is ejecting with the injection molding through the thimble at last, simple structure, and the product drawing of patterns is efficient.

In order to achieve the above object, the present invention provides the following technical solutions:

an injection mold for injection molding parts with side holes comprises an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mold top plate, an upper mold base plate and an upper mold pressing plate, the lower mold component comprises a lower mold bottom plate, a lower mold base plate and a lower mold pressing plate, a plurality of mounting grooves are formed in the lower mold pressing plate, mold cores are arranged in the mounting grooves, movable holes are formed in one sides of the mold cores, slide rods are arranged in the movable holes, one ends of the slide rods are connected with locking blocks, the other ends of the slide rods are connected with first springs, the first springs are located on the inner sides of the movable holes, the lower ends of the slide rods are connected with extension plates, the mold cores and the lower mold base plate are provided with avoidance grooves for the movement of the extension plates, push rods are arranged on the lower sides of the extension, a gap is reserved between the ejector pin and the push plate, and a through hole for the ejector pin to move is formed in the die core and the lower die base plate.

Specifically, the ejector pin is of an I-shaped structure, a second spring is further sleeved on the outer side of the ejector pin, and the second spring is located on the lower side of the lower die base plate.

Specifically, a cavity for the push plate to move is arranged on the inner side of the lower die seat plate.

Specifically, be equipped with the feed inlet on going up the die roof, the feed inlet lower extreme is connected with the runner of moulding plastics, the runner lower extreme of moulding plastics is connected with a plurality of subchannels, the subchannel with correspond the position mounting groove through connection.

Specifically, the upper end of the lower die pressing plate is further connected with a guide post, and the upper die pressing plate is provided with a guide hole matched with the guide post.

The utility model has the advantages that:

the utility model discloses an injection mold designs into the thimble and has the clearance between the push pedal for divide into two stages when the push pedal shifts up, and the first stage utilizes the push rod to promote the extension board, thereby makes the lock block shrink in the movable hole inboard, consequently takes the lock block out from the side opening of injection molding, and the second stage is that the push pedal shifts up and promotes the thimble, and the thimble is ejecting with the injection molding, simple structure, and the product drawing of patterns is efficient.

Drawings

Fig. 1 is the utility model discloses a structure schematic diagram of when taking injection mold compound die of side opening injection molding.

Fig. 2 is the utility model discloses a take structural schematic diagram one after the injection mold die sinking of side opening injection molding.

Fig. 3 is the utility model discloses a take structural schematic diagram two after the injection mold die sinking of side opening injection molding.

The reference signs are: the mold comprises an upper mold component 1, an upper mold top plate 11, an upper mold backing plate 12, an upper mold pressing plate 13, a mounting groove 131, a lower mold component 2, a lower mold base plate 21, a lower mold base plate 22, a cavity 221, a lower mold backing plate 23, a lower mold pressing plate 24, a mold core 3, an avoidance groove 31, a sliding rod 41, a locking block 42, a first spring 43, an extension plate 44, a push rod 45, a push plate 46, an ejector pin 47, a second spring 48, a feed port 51, an injection molding flow passage 52, a branch flow passage 53 and a guide column 6.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

As shown in fig. 1-3:

an injection mold of an injection molding part with side holes comprises an upper mold component 1 and a lower mold component 2, and is characterized in that the upper mold component 1 comprises an upper mold top plate 11, an upper mold base plate 12 and an upper mold pressing plate 13, the lower mold component 2 comprises a lower mold bottom plate 21, a lower mold base plate 22, a lower mold base plate 23 and a lower mold pressing plate 24, a plurality of mounting grooves 131 are arranged in the lower mold pressing plate 24, mold cores 3 are arranged in the mounting grooves 131, one sides of the mold cores 3 are provided with movable holes, slide rods 41 are arranged in the movable holes, one ends of the slide rods 41 are connected with locking blocks 42, the other ends of the slide rods 41 are connected with first springs 43, the first springs 43 are positioned on the inner sides of the movable holes, the lower ends of the slide rods 41 are connected with extension plates 44, the mold cores 3 and the lower mold base plate 23 are provided with avoidance grooves 31 for, the push plate 46 is further provided with an ejector pin 47 at the upper side thereof, a gap is formed between the ejector pin 47 and the push plate 46, and a through hole for the ejector pin 47 to move is formed in the mold core 3 and the lower mold backing plate 23.

Preferably, the thimble 47 is an i-shaped structure, the thimble 47 includes a lower limit portion, a main body, and an upper limit portion, the outer diameters of the lower limit portion and the upper limit portion are all greater than the outer diameter of the main body, in order to enable the thimble 47 to automatically return and ensure the sealing effect of the contact position of the upper end of the thimble 47 and the die core 3, the outer side of the main body of the thimble 47 is further sleeved with a second spring 48, and the second spring 48 is located on the lower side of the lower die cushion plate 23.

Preferably, a cavity 221 for moving the push plate 46 is formed inside the lower mold base plate 22.

Preferably, the upper die top plate 11 is provided with a feed inlet 51, the lower end of the feed inlet 51 is connected with an injection runner 52, the lower end of the injection runner 52 is connected with a plurality of branch runners 53, and the branch runners 53 are communicated with the mounting grooves 131 at corresponding positions.

Preferably, the upper end of the lower pressing plate 24 is further connected with a guide post 6, and the upper pressing plate 13 is provided with a guide hole matched with the guide post 6.

The specific operation is as follows:

when die assembly is carried out: the upper end of the feed inlet 51 is connected with a discharge port of an injection molding machine, plastic fluid generated by the injection molding machine enters from the feed inlet 51, passes through an injection molding runner 52 and a sub-runner 53 and is injected into the mounting groove 131, and then is cooled and molded to obtain an injection molding piece;

when the mold is opened: the first stage push plate 46 moves up under the drive of a driving device such as an air cylinder, and the like, and the push rod 45 pushes the extension plate 44 in the moving process, so that the slide rod 41 and the locking block 42 are pushed, the locking block 42 is contracted in a movable hole, and the locking block 42 is extracted from a side hole of a molded injection molding piece; the push plate 46 continuously moves upwards under the driving of a driving device such as an air cylinder and the like in the second stage, the push plate 46 is in contact with the ejector pins 47 and pushes the ejector pins 47 upwards, and finally the ejector pins 47 eject the injection-molded product on the upper side to complete product demoulding.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an injection mold of area side opening injection molding, includes upper die component (1), lower die component (2), a serial communication port, upper die component (1) is including last roof (11), last die pad board (12), last clamp plate (13), lower die component (2) are including lower die bed board (21), lower die bed board (22), lower die pad board (23), lower clamp plate (24), be equipped with a plurality of mounting grooves (131) in lower clamp plate (24), be equipped with mould benevolence (3) in mounting groove (131), mould benevolence (3) one side is equipped with the movable hole, be equipped with slide bar (41) in the movable hole, slide bar (41) one end is connected with locking piece (42), and the other end is connected with first spring (43), first spring (43) are located the movable hole is inboard, slide bar (41) lower extreme is connected with extension board (44), mould benevolence (3) with lower die pad board (23) are equipped with the confession of Groove (31), extension board (44) downside is equipped with push rod (45), push rod (45) lower extreme is connected with push pedal (46), extension board (44) lower terminal surface and push pedal (46) up end is the scarf, push pedal (46) upside still is equipped with thimble (47), thimble (47) with the clearance has between push pedal (46), mould benevolence (3) with be equipped with the confession in lower backing plate (23) the through-hole of thimble (47) activity.

2. The injection mold of the injection molding part with the side hole as claimed in claim 1, wherein the thimble (47) is of an I-shaped structure, a second spring (48) is further sleeved outside the thimble (47), and the second spring (48) is located on the lower side of the lower die cushion plate (23).

3. The injection mold of the injection molding part with the side hole according to claim 1, wherein a cavity (221) for moving the push plate (46) is arranged inside the lower mold seat plate (22).

4. The injection mold of side hole injection molding of claim 1, characterized in that, be equipped with feed inlet (51) on last roof plate (11), feed inlet (51) lower extreme is connected with the runner (52) of moulding plastics, runner (52) lower extreme of moulding plastics is connected with a plurality of subchannel (53), subchannel (53) and the corresponding position mounting groove (131) through connection.

5. The injection mold of the injection molding part with the side hole according to claim 1, wherein the upper end of the lower pressing plate (24) is further connected with a guide post (6), and the upper pressing plate (13) is provided with a guide hole matched with the guide post (6).