CN211221884U - Pneumatic type injection mold structure - Google Patents

Pneumatic type injection mold structure Download PDF

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Publication number
CN211221884U
CN211221884U CN201921591438.6U CN201921591438U CN211221884U CN 211221884 U CN211221884 U CN 211221884U CN 201921591438 U CN201921591438 U CN 201921591438U CN 211221884 U CN211221884 U CN 211221884U
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China
Prior art keywords
mold
mould
lower mould
bottom plate
lower mold
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CN201921591438.6U
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Chinese (zh)
Inventor
南基学
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Dongguan Yejia Electronic Technology Co ltd
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Dongguan Yejia Electronic Technology Co ltd
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Priority to CN201921591438.6U priority Critical patent/CN211221884U/en
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Abstract

The utility model provides a pneumatic type injection mold structure, including last mould subassembly, lower mould subassembly, it includes the mould roof, goes up the mould backing plate, goes up the mould bottom plate to go up the mould bottom plate lean on to lower mould subassembly one end is fixed with mould benevolence, the lower mould subassembly includes lower mould bottom plate, lower mould roof, a spout has been seted up to lower mould roof upper end, the spout right side has the opening, sliding connection has lower mould benevolence in the spout, a recess has been seted up to lower mould benevolence upper end, the recess bottom is fixed with the cushion, be equipped with two T type holes on the cushion, T type hole bottom is connected with the gas pocket, the aperture of gas pocket is less than the aperture of T type hole lower extreme, the air current way has been seted up to lower mould benevolence one end, two the. The utility model discloses a pneumatic type injection mold structure can prepare the injection moulding product of embedded rivet to release through pneumatic, simple structure, it is easy and simple to handle.

Description

Pneumatic type injection mold structure
Technical Field
The utility model relates to the technical field of mold, concretely relates to pneumatic type injection mold structure.
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, and cooled and solidified to obtain the molded injection molding products.
For some injection molding products, a rivet needs to be embedded into the inner side of the injection molding product, so that the rivet and the injection molding product are integrally molded.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a pneumatic type injection mold structure can prepare the injection moulding product of embedded rivet to release through pneumatics, simple structure, it is easy and simple to handle.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a pneumatic type injection mold structure, includes upper die assembly, lower die assembly, upper die assembly includes from the top down the last mould roof that sets gradually, goes up the die bed board, go up the die bed board lean on to lower die assembly one end is fixed with mould benevolence, lower die assembly includes the lower die bed board, fixes the lower die bed board of lower die bed board upper end, a spout has been seted up to lower die bed board upper end, the spout right side has the opening, sliding connection has lower mould benevolence in the spout, a recess has been seted up to lower mould benevolence upper end, the recess bottom is fixed with the cushion, be equipped with two T type holes on the cushion, T type hole bottom is connected with the gas pocket, the aperture of gas pocket is less than the aperture of T type hole lower extreme, the air current runner has.
Specifically, lower mould benevolence one end still is connected with drive arrangement, set up the confession in the lower mould roof the through-hole of drive arrangement holding.
Specifically, a sprue gate is arranged in the middle of the upper die top plate, a hot runner is connected to the lower end of the sprue gate, and the bottom of the hot runner is communicated with the groove.
Specifically, the lower end of the upper die core is provided with a convex block, and the convex block extends into the groove.
Specifically, four angles on the upper end of the lower die top plate are all fixed with guide rods, and the lower end of the upper die bottom plate is provided with guide holes corresponding to the guide rods.
The utility model has the advantages that:
the utility model discloses an injection mold has increased a T type hole, can place the rivet in advance in the T type hole, can prepare the injection moulding product of embedded rivet to the T type hole is located lower mould benevolence, can prevent that the rivet from dropping, releases through pneumatics after the die sinking, need not to use the thimble, has avoided traditional thimble to cause the problem to injection moulding product's surface wear when ejecting, simple structure, easy and simple to handle.
Drawings
Fig. 1 is the structure schematic diagram of the pneumatic injection mold structure during mold closing of the utility model.
Fig. 2 is the utility model discloses a structure schematic diagram after pneumatic type injection mold structure die sinking.
The reference signs are: the mould comprises an upper mould component 1, an upper mould top plate 11, an upper mould backing plate 12, an upper mould bottom plate 13, an upper mould core 101, a lower mould component 2, a lower mould bottom plate 21, a lower mould top plate 22, a sliding groove 221, a through hole 222, a lower mould core 201, a groove 202, a cushion block 203, a T-shaped hole 204, an air hole 205, an air flow channel 206, a driving device 3, a pouring gate 41, a hot runner 42, a guide rod 5 and a rivet 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. 1-2:
a pneumatic injection mold structure comprises an upper mold component 1 and a lower mold component 2, wherein the upper mold component 1 comprises an upper mold top plate 11, an upper mold backing plate 12 and an upper mold bottom plate 13 which are sequentially arranged from top to bottom, an upper mold core 101 is fixed at one end, close to the lower mold component 2, of the upper mold bottom plate 13, the lower mold component 2 comprises a lower mold bottom plate 21 and a lower mold top plate 22 fixed at the upper end of the lower mold bottom plate 21, a chute 221 is formed at the upper end of the lower mold top plate 22, an opening is formed in the right side of the chute 221, a lower mold core 201 is connected in the chute 221 in a sliding mode, a groove 202 is formed in the upper end of the lower mold core 201, a cushion block 203 is fixed at the bottom of the groove 202, two T-shaped holes 204 are formed in the cushion block 203, the lower mold core 201 can slide towards the right side along the chute 221, injection products in the groove 202 can be, an air flow channel 206 is formed in one end of the lower mold core 201, the two air holes 205 are communicated with the air flow channel 206, an air pump can be connected to the opening end of the air flow channel 206, and air generated by the air pump slowly ejects out an injection molding product formed in the groove 202 through the air flow channel 206 and the air holes 205.
Preferably, in order to automatically push out the lower mold core 201 to remove the injection product in the groove 202 or place the rivet 6 in the T-shaped hole 204, the driving device 3 is further connected to one end of the lower mold core 201, and a through hole 222 for receiving the driving device 3 is formed in the lower mold top plate 22.
Preferably, the middle of the upper mold top plate 11 is provided with a sprue gate 41, the lower end of the sprue gate 41 is connected with a hot runner 42, the bottom of the hot runner 42 is connected with the groove 202 in a through manner, the upper end of the sprue gate 41 is connected with the discharge port of the screw extruder, and the molten plastic raw material extruded by the screw extruder is injected into the groove 202 through the hot runner 42.
Preferably, in order to improve the sealing performance of the mold, the height set by the groove 202 is slightly higher than the height of the injection molding product, and then a protrusion is arranged at the lower end of the upper mold core 101, the protrusion extends into the groove 202, and the protrusion and the groove cooperate to form a cavity for accommodating the injection molding product.
Preferably, four corners of the upper end of the lower mold top plate 22 are all fixed with guide rods 5, and the lower end of the upper mold bottom plate 13 is provided with guide holes corresponding to the guide rods 5.
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 (5)

1. The pneumatic injection mold structure 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 bottom plate (13) which are sequentially arranged from top to bottom, the upper mold bottom plate (13) is close to one end of the lower mold component (2) and is fixedly provided with an upper mold core (101), the lower mold component (2) comprises a lower mold bottom plate (21) and a lower mold top plate (22) which is fixedly arranged at the upper end of the lower mold bottom plate (21), the upper end of the lower mold top plate (22) is provided with a sliding chute (221), the right side of the sliding chute (221) is provided with an opening, the sliding chute (221) is internally connected with a lower mold core (201), the upper end of the lower mold core (201) is provided with a groove (202), a cushion block (203), the bottom of the T-shaped hole (204) is connected with an air hole (205), the aperture of the air hole (205) is smaller than that of the lower end of the T-shaped hole (204), one end of the lower die core (201) is provided with an air flow channel (206), and the two air holes (205) are communicated with the air flow channel (206).
2. The pneumatic injection mold structure according to claim 1, wherein one end of the lower mold core (201) is further connected with a driving device (3), and a through hole (222) for accommodating the driving device (3) is formed in the lower mold top plate (22).
3. The pneumatic injection mold structure according to claim 1, wherein a pouring gate (41) is arranged in the middle of the upper mold top plate (11), a hot runner (42) is connected to the lower end of the pouring gate (41), and the bottom of the hot runner (42) is communicated with the groove (202).
4. A pneumatic injection mold structure according to claim 1, wherein the lower end of the upper mold core (101) is provided with a protrusion, and the protrusion extends into the groove (202).
5. The pneumatic injection mold structure according to claim 1, wherein guide rods (5) are fixed at four corners of the upper end of the lower mold top plate (22), and guide holes corresponding to the guide rods (5) are formed at the lower end of the upper mold bottom plate (13).
CN201921591438.6U 2019-09-24 2019-09-24 Pneumatic type injection mold structure Active CN211221884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921591438.6U CN211221884U (en) 2019-09-24 2019-09-24 Pneumatic type injection mold structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921591438.6U CN211221884U (en) 2019-09-24 2019-09-24 Pneumatic type injection mold structure

Publications (1)

Publication Number Publication Date
CN211221884U true CN211221884U (en) 2020-08-11

Family

ID=71938168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921591438.6U Active CN211221884U (en) 2019-09-24 2019-09-24 Pneumatic type injection mold structure

Country Status (1)

Country Link
CN (1) CN211221884U (en)

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