CN222245873U

CN222245873U - Injection mold with mold removal structure

Info

Publication number: CN222245873U
Application number: CN202420951708.4U
Authority: CN
Inventors: 魏厚将
Original assignee: Kunshan Haofuxing Precision Mould Co ltd
Current assignee: Kunshan Haofuxing Precision Mould Co ltd
Priority date: 2024-05-06
Filing date: 2024-05-06
Publication date: 2024-12-27
Anticipated expiration: 2034-05-06

Abstract

The utility model discloses an injection mold with a mold taking-out structure, which comprises a bottom plate, an upper mold, a lower mold and a thimble, wherein a base is fixedly arranged above the bottom plate, the upper mold is arranged below a top plate, a groove is formed above the base, the lower mold is arranged inside the groove, the top of a two-number bevel gear is fixedly connected with a reciprocating screw, a lifting plate is arranged on the reciprocating screw, and the thimble is fixedly arranged above the lifting plate. According to the utility model, through the arrangement of the ejector pins, the ejector pins can automatically eject the product from the lower die, compared with manual workpiece taking, the ejector pins can eject the product more accurately and stably, the defects of product deformation, scratch and the like caused by improper operation are avoided, the quality and appearance of the product are protected, and the ejector pins automatically eject the workpiece to realize automatic operation, so that the manual participation is reduced, the manual workpiece taking time and labor intensity are greatly reduced, and the production efficiency is remarkably improved.

Description

Injection mold with mold take-out structure

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with a mold taking-out structure.

Background

The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and precise dimensions, and the injection molding is a processing method used for mass production of parts with complex shapes, specifically, the injection mold is used for injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain the formed products.

The existing injection mold is in a completely attached state in the mold after injection molding, so that quick demolding is inconvenient, for example, an injection mold disclosed by CN218985564U is not provided, ejection of a molded product is realized by a material ejection mechanism, the product is required to be taken out of the mold manually or by using other tools, but the product quality is affected due to deformation, scratch or damage of the product caused by improper operation, and for large or complex-structure injection molding parts, manual taking out is more difficult and even can be finished by cooperation of multiple persons, so that the complexity and difficulty of operation are increased.

Therefore, it is necessary to invent an injection mold with a mold-out structure to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide an injection mold with a mold taking-out structure, so as to solve the problem that the material is inconvenient to take out in the technology.

In order to achieve the above purpose, the injection mold with the mold taking-out structure comprises a bottom plate, an upper mold, a lower mold and a thimble, wherein a base is fixedly arranged above the bottom plate, electric telescopic rods are arranged on the left side and the right side of the base, a top plate is fixedly arranged at the top of the electric telescopic rods, an injection molding opening is formed in the center of the upper part of the top plate, the upper mold is arranged below the top plate, a groove is formed in the upper part of the base, the lower mold is arranged in the groove, limiting plates are connected with side wall hinges on the left side and the right side of the base, fixing bolts are connected to the limiting plates in a penetrating mode, a driving motor is arranged below the base, a first bevel gear is connected to the output end of the driving motor, a second bevel gear is connected to the upper part of the first bevel gear in a meshed mode, a reciprocating screw is fixedly connected to the top of the second bevel gear, a lifting plate is arranged on the reciprocating screw, and the thimble is fixedly arranged above the lifting plate.

Preferably, the electric telescopic rods are provided with 4, four the bottom ends of the electric telescopic rods are connected with the bottom plate, and four the top ends of the electric telescopic rods are connected with the top plate, so that the electric telescopic rods can drive the top plate to be matched with and open the die with the upper die.

Preferably, the lower die is arranged right below the upper die, and the central lines of the injection port, the upper die and the lower die are mutually overlapped, so that injection liquid introduced into the injection port can accurately flow into the lower die.

Preferably, the side walls of the left side and the right side of the lower die are fixedly provided with inserting blocks, the contact position of the base and the inserting blocks is provided with inserting grooves, the inserting blocks are connected with the inserting grooves in a clamping mode, and the inserting blocks are connected with fixing bolts in a threaded mode, so that the inserting blocks and the inserting grooves are convenient to clamp and disassemble the lower die.

Preferably, screw holes are formed in contact positions of the insert block, the base and the fixing bolts, the fixing bolts are in threaded connection with the screw holes, outer wall threads of the fixing bolts are matched with inner wall threads of the screw holes, 2 fixing bolts are arranged, the two fixing bolts are mutually center-symmetrical with respect to the lower die, and accordingly the fixing bolts and the screw holes can ensure stability of the lower die mounted on the base.

Preferably, the reciprocating screw rod is in threaded connection with the lifting plate, and guide plates are fixedly arranged on the side walls of the left side and the right side of the lifting plate, so that the lifting plate can slide and adjust up and down on the reciprocating screw rod, and stable movement of the lifting plate on the reciprocating screw rod can be ensured.

Preferably, the guide plate is provided with a guide rod in a penetrating manner, the bottom of the guide rod is fixedly arranged on the bottom plate, the top of the guide rod is fixedly arranged on the base, and the guide plate is in sliding connection with the guide rod, so that the stability of sliding lifting of the lifting plate is enhanced by the guide plate and the guide rod.

Preferably, the thimble is provided with a plurality of, and is a plurality of the thimble is rectangle equidistance and distributes, and is a plurality of be sliding connection between thimble and base, the bed die, a plurality of the top of thimble flushes with the inside bottom of bed die for the thimble can realize the ejection to the inside product of bed die, and the material of the product of being convenient for.

In the technical scheme, the utility model has the technical effects and advantages that:

1. Through the arrangement of the ejector pins, the ejector pins can automatically eject the product from the lower die, compared with manual workpiece taking, the ejector pins can eject the product more accurately and stably, the defects of product deformation, scratch and the like caused by improper operation are avoided, the quality and the appearance of the product are protected, automatic workpiece ejection of the ejector pins is realized, manual participation is reduced, the time and the labor intensity of manual workpiece taking are greatly reduced, and the production efficiency is remarkably improved;

2. Through the setting of inserted block, slot fixing bolt and screw, the installation and the dismantlement of inserted block and slot block dismouting mode make the bed die become simple rapid, and operating personnel only need with the accurate alignment slot block of inserted block, can realize the installation location of bed die, and fixing bolt and screw's cooperation has further strengthened the connection between bed die and the base for the maintenance of bed die becomes convenient and fast more, and this has not only shortened maintenance time, has still reduced maintenance cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded perspective view of a recess and lower mold of the present utility model;

FIG. 3 is a schematic perspective view of a driving motor according to the present utility model;

FIG. 4 is a schematic perspective view of a reciprocating screw and lifting plate of the present utility model;

fig. 5 is a schematic diagram of a cross-sectional perspective structure of a lower mold and a thimble according to the present utility model.

Reference numerals illustrate:

1. The device comprises a bottom plate, a base, a 3 electric telescopic rod, a 4 top plate, a 5 injection molding opening, a6 upper die, a 7 groove, a 8 lower die, a 9 insert block, a 10 insert groove, a 11 limit plate, a 12 fixing bolt, a 13 screw hole, a 14 driving motor, a 15 first bevel gear, a 16 second bevel gear, a 17 reciprocating screw rod, a 18 lifting plate, a 19 guide plate, a 20 guide rod, a 21 ejector pin.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides an injection mold with a mold taking-out structure as shown in fig. 1-5, which comprises a bottom plate 1, wherein a base 2 is fixedly arranged above the bottom plate 1, electric telescopic rods 3 are arranged on the left side and the right side of the base 2, a top plate 4 is fixedly arranged at the top of each electric telescopic rod 3, 4 electric telescopic rods 3 are arranged, the bottom ends of the four electric telescopic rods 3 are connected with the bottom plate 1, the top ends of the four electric telescopic rods 3 are connected with the top plate 4, an injection molding opening 5 is formed in the center of the upper part of the top plate 4, an upper mold 6 is arranged below the top plate 4, a groove 7 is formed above the base 2, a lower mold 8 is arranged inside the groove 7, limit plates 11 are connected to side wall hinges on the left side and the right side of the base 2 in a penetrating manner, a fixing bolt 12 is connected on the limit plates 11 in a penetrating manner, a driving motor 14 is arranged below the base 2, a first bevel gear 15 is connected to the output end of the driving motor 14, a second bevel gear 16 is connected with the top of the first bevel gear 15 in a meshed manner, a reciprocating screw 17 is fixedly connected with the top of the second bevel gear 16, a lifting plate 18 is fixedly arranged above the second bevel gear 16, a lifting plate 18 is provided with a lifting screw 21, and a lifting plate 18 is fixedly arranged above a lifting thimble 18 is arranged on the lifting plate 17.

In one aspect of the embodiment, the lower die 8 is arranged right below the upper die 6, the injection port 5, the upper die 6 and the central line of the lower die 8 are mutually overlapped, the side walls on the left side and the right side of the lower die 8 are fixedly provided with the insert blocks 9, the contact positions of the base 2 and the insert blocks 9 are provided with the slots 10, the insert blocks 9 are in clamping connection with the slots 10, the insert blocks 9 are in threaded connection with the fixing bolts 12, the contact positions of the insert blocks 9, the base 2 and the fixing bolts 12 are provided with the screw holes 13, the fixing bolts 12 are in threaded connection with the screw holes 13, the outer wall threads of the fixing bolts 12 are matched with the inner wall threads of the screw holes 13, the fixing bolts 12 are provided with 2, the two fixing bolts 12 are mutually centrosymmetric with respect to the lower die 8, the reciprocating screw rod 17 is in threaded connection with the lifting plate 18, guide plates 19 are fixedly arranged on the side walls of the left side and the right side of the lifting plate 18, guide rods 20 are arranged on the guide plates 19 in a penetrating mode, the bottoms of the guide rods 20 are fixedly arranged on the bottom plate 1, the tops of the guide rods 20 are fixedly arranged on the base 2, the guide plates 19 are in sliding connection with the guide rods 20, a plurality of ejector pins 21 are arranged, the ejector pins 21 are distributed at equal intervals in a rectangular mode, the ejector pins 21 are in sliding connection with the base 2 and the lower die 8, and the tops of the ejector pins 21 are flush with the inner bottom end of the lower die 8.

The working principle of the utility model is as follows:

Referring to fig. 1-5 of the specification, when the utility model is used, an injection mold is stably placed at a proper position through a bottom plate 1, then a blanking pipe of the injection molding machine is connected with an injection port 5, and then the injection molding machine is electrified, so that an electric telescopic rod 3 can drive a top plate 4 and an upper mold 6 to descend to be matched with a lower mold 8, and the injection molding machine is opened, so that injection molding solution is poured into the lower mold 8 through the injection port 5 for cooling and then molding;

After the product is molded, the upper die 6 and the lower die 8 are opened through the electric telescopic rod 3, then the driving motor 14 is started, the first bevel gear 15 and the second bevel gear 16 are driven to rotate through the driving motor 14, then the second bevel gear 16 drives the reciprocating screw rod 17 to synchronously rotate, the lifting plate 18 can drive the ejector pins 21 to move upwards simultaneously, the ejector pins 21 can eject the product molded in the lower die 8 to take materials, however, when the lower die 8 needs to be cleaned and maintained, the two fixing bolts 12 can be unscrewed in sequence, the fixing bolts 12 are separated from the screw holes 13, finally the insert block 9 of the lower die 8 is pulled out of the slot 10, and the quick disassembly of the lower die 8 can be realized, and the operation is simple and convenient.

Claims

1. An injection mold with a mold taking-out structure comprises a bottom plate (1), an upper mold (6), a lower mold (8) and a thimble (21), and is characterized in that a base (2) is fixedly arranged above the bottom plate (1), an electric telescopic rod (3) is arranged on the left side and the right side of the base (2), a top plate (4) is fixedly arranged at the top of the electric telescopic rod (3), an injection molding opening (5) is formed in the center of the top plate (4), an upper mold (6) is arranged below the top plate (4), a groove (7) is formed in the top of the base (2), a lower mold (8) is arranged inside the groove (7), a limit plate (11) is connected to the side wall of the left side and the right side of the base (2) in a hinged mode, a fixing bolt (12) is connected to the limit plate (11) in a penetrating mode, a driving motor (14) is arranged below the base (2), a first bevel gear (15) is connected to the output end of the driving motor (14), a second bevel gear (16) is connected to the upper bevel gear (15), a second bevel gear (16) is meshed with a second bevel gear (16), a second bevel gear (17) is connected to the second bevel gear (17) in a reciprocating mode, and the second bevel gear (17) is connected to the second bevel gear (16), the thimble (21) is fixedly arranged above the lifting plate (18).

2. The injection mold with the mold withdrawing structure of claim 1, wherein 4 electric telescopic rods (3) are arranged, the bottom ends of four electric telescopic rods (3) are connected with the bottom plate (1), and the top ends of four electric telescopic rods (3) are connected with the top plate (4).

3. The injection mold with the mold withdrawing structure as claimed in claim 1, wherein the lower mold (8) is disposed right under the upper mold (6), and the center lines of the injection port (5), the upper mold (6) and the lower mold (8) coincide with each other.

4. The injection mold with the mold withdrawing structure of claim 3, wherein the side walls of the left side and the right side of the lower mold (8) are fixedly provided with inserting blocks (9), a slot (10) is formed at the contact position of the base (2) and the inserting blocks (9), the inserting blocks (9) are connected with the slot (10) in a clamping way, and fixing bolts (12) are connected with the inserting blocks (9) in a threaded way.

5. The injection mold with the mold withdrawing structure of claim 4, wherein screw holes (13) are formed in contact positions of the insert block (9), the base (2) and the fixing bolts (12), the fixing bolts (12) are in threaded connection with the screw holes (13), outer wall threads of the fixing bolts (12) are matched with inner wall threads of the screw holes (13), 2 fixing bolts (12) are arranged, and two fixing bolts (12) are mutually and centrally symmetrical with respect to the lower mold (8).

6. The injection mold with the mold withdrawing structure of claim 1, wherein the reciprocating screw (17) is in threaded connection with the lifting plate (18), and guide plates (19) are fixedly arranged on the side walls of the left side and the right side of the lifting plate (18).

7. The injection mold with the mold withdrawing structure of claim 6, wherein a guide rod (20) is arranged on the guide plate (19) in a penetrating manner, the bottom of the guide rod (20) is fixedly arranged on the bottom plate (1), the top of the guide rod (20) is fixedly arranged on the base (2), and the guide plate (19) is in sliding connection with the guide rod (20).

8. The injection mold with the mold taking-out structure of claim 1, wherein a plurality of ejector pins (21) are arranged, the ejector pins (21) are distributed in rectangular equidistant mode, the ejector pins (21) are in sliding connection with the base (2) and the lower mold (8), and the top ends of the ejector pins (21) are flush with the inner bottom end of the lower mold (8).