CN220008596U

CN220008596U - Automatic demolding injection molding device

Info

Publication number: CN220008596U
Application number: CN202321414612.6U
Authority: CN
Inventors: 叶志尧
Original assignee: Hangzhou Yuhao Precision Parts Co ltd
Current assignee: Hangzhou Yuhao Precision Parts Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-14
Anticipated expiration: 2033-06-06

Abstract

The utility model provides an automatic drawing of patterns injection molding device, including the bottom plate upper surface sliding connection has lower mould case, the bottom plate upper surface passes through curb plate fixedly connected with two sets of slide rails, two sets of slide rail top is connected with the roof jointly, roof top fixed mounting has the electric jar, the output of electric jar runs through and extends to roof bottom fixedly connected with and go up the mould case, go up mould case and lower mould case matching setting, the inside support body that is used for drawing of patterns to connect that is provided with of lower mould case, the inside bottom plate that moulds plastics that is provided with of support body, the bottom plate that moulds plastics through the lower mould case that sets up carries out the connection installation to the bottom plate that moulds plastics through elastic component pops out, and the equal fixedly connected with laminating board in elastic component top is difficult for appearing because of using the ejector pin ejecting and cause the bottom plate bottom surface of moulding plastics laminating board, problem that ejection dynamics is insufficient, lower mould case is convenient for sliding, increases the region of getting material, improves result of use.

Description

Automatic demolding injection molding device

Technical Field

The utility model relates to a technical field of moulding plastics specifically is an automatic drawing of patterns injection molding device.

Background

The injection mould is a tool for producing plastic products, also a tool for endowing the plastic products with complete structures and accurate dimensions, the heated and melted plastics and materials are injected into the mould from a nozzle under high pressure, and the plastic products are obtained after cooling and conversion.

The utility model provides an injection mold for injection molding machine that publication No. CN110978393A "provided, including injection head, die cavity, stay, connect electric seat, base, be equipped with the electric seat in the middle of the terminal surface before the base, connect electric seat and base level to be fixed, the base terminal surface is equipped with the die cavity, be equipped with the stay on four corners of base terminal surface, stay vertical fixation is on the base terminal surface, be equipped with the injection head directly over the die cavity, the injection head is equipped with heat pipe, bulb, feed inlet, the bulb bottom is equipped with the heat pipe, heat pipe and bulb are integrated structure, the bulb is equipped with the feed inlet at the top, the bulb diameter is greater than the diameter of heat pipe and feed inlet, enlarges the bulb diameter, in the collision of flow process, gets rid of bubble and fine rule problem in the plastics, lets the plastics after getting into through the diameter difference of bulb and feed inlet in the flow process, gets rid of bubble and fine rule problem in the plastics through horizontal collision.

The above device still has the following problems in the implementation:

1. the structure of the device and the injection molding device in the prior art is simple, the injection molding device is characterized in that the ejector pins are used for ejecting the injection molded supporting plate after the vertical plastic injection molding die is pressed, the material taking is convenient, the contact area between the ejector pins and the bottom surface of the injection molding bottom plate is small, the imprint of the ejector pins appears after long-term use, the ejector pins can be inserted into the imprint with slits, the ejection stress degree is reduced, when the resistance between the injection molding finished product and the injection molding die is large, the injection molding finished product is difficult to eject out at one time, a worker is required to manually assist to take the injection molding bottom plate, and the operation is delayed;

2. the lower die box structure of the existing vertical injection molding device is inconvenient to slide and misplace with the upper die box after being pressed, so that the material is inconvenient to take, a working area is limited when a worker takes an injection molding bottom plate, and the using effect of the device is reduced.

Disclosure of Invention

An object of the present utility model is to provide an automatic demolding and injection molding device, so as to solve the problem in the above background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the automatic demolding injection molding device comprises a bottom plate, wherein the upper surface of the bottom plate is slidably connected with a lower mold box, the upper surface of the bottom plate is fixedly connected with two groups of sliding rails through side plates, the tops of the two groups of sliding rails are commonly connected with a top plate, the top of the top plate is fixedly provided with an electric cylinder, the output end of the electric cylinder penetrates through and extends to the bottom of the top plate to be fixedly connected with an upper mold box, the upper mold box and the lower mold box are arranged in a matched manner, a frame body for demolding connection is arranged in the lower mold box, and an injection molding bottom plate is arranged in the frame body;

the collet sets up in the bottom of lower mould case, the bottom is provided with the elastic component that is used for carrying out elastic connection to the support body and is convenient for the bottom plate drawing of patterns of moulding plastics in the lower mould case.

Preferably, the upper surface of the bottom plate is provided with a groove, two groups of racks are fixedly arranged in the groove, the bottom surface of the lower die box is symmetrically provided with gear assemblies, each gear assembly comprises two groups of sliding blocks fixedly connected to two sides of the bottom surface of the lower die box, a rotating shaft in rotating connection between the two groups of sliding blocks and gears fixedly sleeved on the outer surface of the rotating shaft, and the gears are meshed with the racks;

one group of sliding blocks are internally provided with a driving motor, the output end of the driving motor is fixedly connected with one end of the rotating shaft, the two groups of sliding blocks are in sliding connection with the bottom plate through rollers, and roller grooves are formed in the upper surface of the bottom plate in a matched mode.

Preferably, two sides of the frame body are connected to the inside of the lower die box in a sliding manner through vertical rods, limiting plates are fixedly arranged on two sides of the bottom of the vertical rods, and fixing blocks matched with the limiting plates are symmetrically arranged on two sides of the top of the lower die box;

the sliding grooves are symmetrically formed in two sides of the lower die box, sliding blocks are fixedly arranged on two sides of the vertical rod, and the sliding blocks are in sliding clearance fit with the sliding grooves.

Preferably, fixed hole bottom blocks for pressing and positioning are fixedly arranged on two sides of the top of the vertical rod, positioning holes are formed in the fixed hole bottom blocks, positioning columns matched with the positioning holes are fixedly arranged on two sides of the upper die box, and when the upper die box is attached to the lower die box to perform compression molding on the injection molding bottom plate, the positioning columns are inserted into the positioning holes.

Preferably, the connecting plate is fixedly arranged at the central position of the frame body, the clamping groove is formed in the upper surface of the connecting plate, the bottom surface of the injection molding bottom plate is clamped into the clamping groove through the rubber block, and the friction force is generated through the rubber block so that the injection molding bottom plate is stably connected to the inside of the frame body.

Preferably, the elastic component comprises a group of main springs and a plurality of groups of auxiliary springs, the main springs and the plurality of groups of auxiliary springs are arranged in a spring accommodating groove at the bottom of the lower die box, and the top ends of the main springs and the plurality of groups of auxiliary springs are fixedly provided with the bonding plates;

main spring top and connecting plate bottom surface laminating, multiunit auxiliary spring all laminate in the support body bottom surface, but through the elastic component's elastic force, but the bottom plate automatic pop-up of moulding plastics after moulding plastics the moulding-die is convenient for increase the drawing of patterns and get the convenience of material, main spring and multiunit auxiliary spring all set up to compression spring.

Preferably, the support rods are fixedly arranged on two sides of the top surface of the upper die box, one end of each support rod is arranged on a guide rail sliding block of the sliding rail, the ascending and descending performances of the upper die box are further stably supported through the support rods, an injection molding feeding pipe is arranged on one side of the upper die box in a communicating mode, a steel wire telescopic pipe is arranged on the injection molding feeding pipe in a communicating mode, and the injection molding feeding pipe is convenient to communicate with an external feeding mechanism through the injection molding feeding pipe to fill injection molding materials in the upper die box during injection molding.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the injection molding bottom plate is connected and installed through the lower die box, the bottom surface of the injection molding bottom plate is attached to the frame body, the bottom surface of the frame body is attached to the elastic component on the bottom surface of the lower die box, the frame body in sliding connection is convenient for driving the injection molding bottom plate to descend to the bottom of the lower die box for pressing when the compression molding is carried out, and the injection molding bottom plate is convenient for being driven to pop out for taking materials through the elastic force of the elastic component after injection molding;

2. the injection molding bottom plate is clamped on the upper surface of the frame body through the rubber block, so that the installation stability is improved, the clamping mode is also convenient for taking materials, the use convenience is improved, and the bottom surface and the top surface of the upright rods on the two sides of the frame body are both provided with limiting structures, so that the performance of the frame body is stable during lamination and ejection;

3. ejecting the injection molding bottom plate through the elastic component, wherein the top of the elastic component is fixedly connected with a laminating plate, and the laminating plate is laminated with the bottom surface of the injection molding bottom plate, so that the problem that the bottom surface of the injection molding bottom plate is marked due to ejection of the ejector pins, the ejection stress degree is influenced, and the ejection and material taking are not easy to occur is avoided;

4. the lower die box is conveniently driven to slide by the rotation of the rotating shaft through the sliding block at the bottom surface of the lower die box, the gear fixedly connected with the surface of the rotating shaft is meshed with the rack inside the groove, the lower die box and the upper die box are conveniently separated in a staggered manner after the die is pressed, and the material taking area is increased;

the bottom plate of moulding plastics is connected through the lower mould case that sets up and is installed, pops out the bottom plate of moulding plastics through elastic component, and the equal fixedly connected with laminating board in elastic component top is laminated with the bottom surface of bottom plate of moulding plastics through the laminating board, is difficult for appearing because use the ejecting bottom plate bottom surface of causing of thimble to mould plastics to appear the impression, problem that ejecting dynamics is insufficient, the lower mould case is convenient for slide, is convenient for make dislocation separation between lower mould case and the last mould case after the moulding-die, has increased the region of getting the material, improves the result of use.

Drawings

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

FIG. 2 is a schematic view of the front view of the lower mold box of the present utility model;

FIG. 3 is a schematic top view of a portion of a frame of the present utility model;

FIG. 4 is a schematic view of a front view of a portion of the elastic assembly of the present utility model;

FIG. 5 is a schematic view of a front view of a portion of a sliding rail according to the present utility model;

fig. 6 is a schematic diagram of a front view of a rack portion of the present utility model.

In the figure: 1. a bottom plate; 2. a lower die box; 3. a side plate; 4. a slide rail; 5. a top plate; 6. an electric cylinder; 7. an upper die box; 701. injection molding of a feed pipe; 802. a frame body; 9. injection molding of the bottom plate; 10. an elastic component; 1001. a main spring; 1002. an auxiliary spring; 11. a groove; 12. a rack; 13. a gear assembly; 1301. a sliding block; 1302. a rotating shaft; 1303. a gear; 14. a roller; 15. a roller groove; 16. a vertical rod; 17. a limiting plate; 18. a fixed block; 19. a chute; 20. a slide block; 21. fixing Kong Dekuai; 22. positioning holes; 23. positioning columns; 24. a connecting plate; 25. a rubber block; 26. and (5) supporting the rod.

Detailed Description

The technical solutions of the present embodiments will be clearly and completely described below with reference to the drawings in the present embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments herein, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated as falling within the scope of the present utility model.

Referring to fig. 1-6, the present utility model provides a technical solution:

embodiment one:

the automatic demolding injection molding device comprises a bottom plate 1, a lower mold box 2 is slidably connected to the upper surface of the bottom plate 1, two groups of sliding rails 4 are fixedly connected to the upper surface of the bottom plate 1 through side plates 3, a top plate 5 is commonly connected to the top ends of the two groups of sliding rails 4, an electric cylinder 6 is fixedly installed at the top of the top plate 5, the output end of the electric cylinder 6 penetrates through and extends to the bottom of the top plate 5 to be fixedly connected with an upper mold box 7, the upper mold box 7 is matched with the lower mold box 2, a frame body 802 for demolding connection is arranged in the lower mold box 2, and an injection molding bottom plate 9 is arranged in the frame body 802;

the inner bottom of the lower die box 2 is provided with an elastic component 10 which is used for elastically connecting a frame body 802 and facilitating the demolding of an injection molding bottom plate 9, the upper surface of the bottom plate 1 is provided with a groove 11, two groups of racks 12 are fixedly arranged in the groove 11, the bottom surface of the lower die box 2 is symmetrically provided with a gear component 13, the gear component 13 comprises two groups of sliding blocks 1301 fixedly connected to the two sides of the bottom surface of the lower die box 2, a rotating shaft 1302 fixedly connected between the two groups of sliding blocks 1301 and a gear 1303 fixedly sleeved on the outer surface of the rotating shaft 1302, the gear 1303 is meshed with the racks 12, the lower die box 2 is conveniently driven to slide, the lower die box 2 and the upper die box 7 are conveniently separated in a staggered manner after compression molding, the material taking area of staff is increased, and the using effect of the device is improved;

one group of sliding blocks 1301 are internally provided with a driving motor, the output end of the driving motor is fixedly connected with one end of a rotating shaft 1302, two groups of sliding blocks 1301 are in sliding connection with the bottom plate 1 through rollers 14, the upper surface of the bottom plate 1 is provided with roller grooves 15 in a matching way, the stability of the lower die box 2 during sliding is further improved,

two sides of the frame body 802 are slidably connected to the inside of the lower die box 2 through upright rods 16, limiting plates 17 are fixedly arranged on two sides of the bottoms of the two groups of upright rods 16, fixed blocks 18 matched with the limiting plates 17 are symmetrically arranged on two sides of the top of the lower die box 2, sliding grooves 19 are symmetrically formed on two sides of the lower die box 2, sliding blocks 20 are fixedly arranged on two sides of the upright rods 16, and the sliding blocks 20 are in sliding clearance fit with the sliding grooves 19, so that the frame body 802 is more stable in sliding and is not easy to deviate;

the fixed Kong Dekuai that is used for the pressfitting location is fixed to pole setting 16 top both sides fixed mounting, has offered locating hole 22 on the fixed orifices bottom block 21, and upper die box 7 both sides fixed mounting has the locating cylinder 23 that matches the locating hole 22 and set up, and when upper die box 7 and lower die box 2 laminating are moulded plastics to injection moulding bottom plate 9, locating cylinder 23 peg graft in locating hole 22 inside.

Embodiment two:

on the basis of the first embodiment, the arrangement of the gear assembly 13 is adopted in the embodiment, so that the lower die box 2 is conveniently driven to slide after lamination injection molding, the material taking area of the injection molding die is increased, but when material taking is performed, the injection molding bottom plate 9 is not easy to pop out, therefore, in the embodiment, the frame body 802 is convenient to drive the injection molding bottom plate 9 to pop out of the lower die box 2 through the arrangement of the unfolding elastic assembly 10, the material taking is more convenient, the connecting plate 24 is fixedly arranged at the central position of the frame body 802, a clamping groove is formed in the upper surface of the connecting plate 24, the bottom surface of the injection molding bottom plate 9 is clamped into the clamping groove through the rubber block 25, and the friction force generated by the rubber block 25 enables the injection molding bottom plate 9 to be stably connected inside the frame body 802;

the elastic assembly 10 comprises a group of main springs 1001 and a plurality of groups of auxiliary springs 1002, the main springs 1001 and the plurality of groups of auxiliary springs 1002 are all arranged in a spring accommodating groove at the bottom of the lower die box 2, the top ends of the main springs 1001 and the plurality of groups of auxiliary springs 1002 are fixedly provided with bonding plates, the top ends of the main springs 1001 are attached to the bottom surface of the connecting plate 24, the plurality of groups of auxiliary springs 1002 are attached to the bottom surface of the frame body 802, the injection molding bottom plate 9 can be automatically ejected after injection molding and compression molding by the elastic force of the elastic assembly 10, convenience of demolding and material taking is improved, and the main springs 1001 and the plurality of groups of auxiliary springs 1002 are all arranged as compression springs;

the two sides of the top surface of the upper die box 7 are fixedly provided with supporting rods 26, one ends of the supporting rods 26 are arranged on the guide rail sliding blocks of the sliding rails 4, the ascending and descending performances of the upper die box 7 are further stably supported through the supporting rods 26, an injection molding feeding pipe 701 is communicated with one side of the upper die box 7, a steel wire telescopic pipe is communicated with the injection molding feeding pipe 701, and the injection molding feeding pipe 701 is convenient to communicate with an external feeding mechanism to fill injection molding materials in the upper die box 7 during injection molding.

Working principle: in the using process of the device, the injection molding bottom plate 9 is connected and installed through the lower die box 2, the bottom surface of the injection molding bottom plate 9 is attached to the frame body 802, the bottom surface of the frame body 802 is attached to the elastic component 10 on the bottom surface of the lower die box 2, the frame body 802 in sliding connection is convenient for driving the injection molding bottom plate 9 to descend to the bottom of the lower die box 2 for pressing, and the injection molding bottom plate 9 is convenient for being driven to pop out for taking materials through the elastic force of the elastic component 10 after injection molding;

the gear 1303 arranged on the bottom surface of the lower die box 2 is meshed with the rack 12 on the upper surface of the bottom plate 1, so that the lower die box 2 is conveniently driven to slide on the upper surface of the bottom plate 1, the lower die box 2 and the upper die box 7 are conveniently separated in a staggered manner after compression molding, the material taking area of workers is increased, and the use effect of the lifting device is improved.

It should be noted that, the lower mold case 2, the upper mold case 7 and the electric cylinder 6 are devices or apparatuses existing in the prior art, or are devices or apparatuses that can be implemented in the prior art, and power supply, specific composition and principle thereof are clear to those skilled in the art, so they will not be described in detail.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic drawing of patterns injection molding device, includes bottom plate (1) upper surface sliding connection has lower mould case (2), bottom plate (1) upper surface is through curb plate (3) fixedly connected with two sets of slide rail (4), two sets of slide rail (4) top is connected with roof (5) jointly, roof (5) top fixed mounting has electric jar (6), the output of electric jar (6) runs through and extends to roof (5) bottom fixedly connected with upper mould case (7), its characterized in that: the upper die box (7) is arranged in a matched mode with the lower die box (2), a frame body (802) for demolding connection is arranged in the lower die box (2), and an injection molding bottom plate (9) is arranged in the frame body (802);

an elastic component (10) which is used for elastically connecting the frame body (802) and facilitating demolding of the injection molding bottom plate (9) is arranged at the inner bottom of the lower die box (2).

2. An automatic demolding injection molding apparatus as claimed in claim 1, wherein: the upper surface of the bottom plate (1) is provided with a groove (11), two groups of racks (12) are fixedly arranged in the groove (11), gear assemblies (13) are symmetrically arranged on the bottom surface of the lower die box (2), each gear assembly (13) comprises two groups of sliding blocks (1301) fixedly connected to two sides of the bottom surface of the lower die box (2), a rotating shaft (1302) rotationally connected between the two groups of sliding blocks (1301) and a gear (1303) fixedly sleeved on the outer surface of the rotating shaft (1302), and the gear (1303) is meshed with the racks (12);

one group of sliding blocks (1301) are internally provided with a driving motor, the output end of the driving motor is fixedly connected with one end of a rotating shaft (1302), the two groups of sliding blocks (1301) are in sliding connection with a bottom plate (1) through rollers (14), and roller grooves (15) are formed in the upper surface of the bottom plate (1) in a matching mode.

3. An automatic demolding injection molding apparatus as claimed in claim 1, wherein: two sides of the frame body (802) are connected to the inside of the lower die box (2) in a sliding manner through vertical rods (16), limiting plates (17) are fixedly arranged on two sides of the bottom of the two groups of vertical rods (16), and fixing blocks (18) matched with the limiting plates (17) are symmetrically arranged on two sides of the top of the lower die box (2);

sliding grooves (19) are symmetrically formed in two sides of the lower die box (2), sliding blocks (20) are fixedly arranged on two sides of the vertical rod (16), and the sliding blocks (20) are in sliding clearance fit with the sliding grooves (19).

4. An automatic demolding injection molding apparatus as claimed in claim 3, wherein: fixed Kong Dekuai (21) for pressing and positioning are fixedly arranged on two sides of the top of the vertical rod (16), positioning holes (22) are formed in the fixed Kong Dekuai (21), positioning columns (23) matched with the positioning holes (22) are fixedly arranged on two sides of the upper die box (7), and when the upper die box (7) and the lower die box (2) are attached to each other to perform compression molding and injection molding on the injection molding bottom plate (9), the positioning columns (23) are inserted into the positioning holes (22).

5. An automatic demolding injection molding apparatus as claimed in claim 1, wherein: the frame body (802) is fixed mounting in the middle of position has connecting plate (24), the draw-in groove has been seted up to connecting plate (24) upper surface, bottom surface of the bottom plate of moulding plastics (9) is inside through rubber piece (25) joint to the draw-in groove, produces frictional force through rubber piece (25) and makes bottom plate of moulding plastics (9) stable connection in frame body (802).

6. An automatic demolding injection molding apparatus as claimed in claim 1, wherein: the elastic assembly (10) comprises a group of main springs (1001) and a plurality of groups of auxiliary springs (1002), the main springs (1001) and the plurality of groups of auxiliary springs (1002) are arranged in a spring accommodating groove at the bottom of the lower die box (2), and the top ends of the main springs (1001) and the plurality of groups of auxiliary springs (1002) are fixedly provided with a bonding plate;

main spring (1001) top and laminating of connecting plate (24) bottom surface, multiunit auxiliary spring (1002) all laminate in support body (802) bottom surface, but through the elastic force of elastic component (10), but bottom plate (9) automatic ejection is moulded plastics after moulding-die of being convenient for increase drawing of patterns and get the convenience of material, main spring (1001) and multiunit auxiliary spring (1002) all set up to compression spring.

7. An automatic demolding injection molding apparatus as claimed in claim 1, wherein: go up moulding box (7) top surface both sides fixed mounting has bracing piece (26), bracing piece (26) one end is all installed on the guide rail slider of slide rail (4), further goes up moulding box (7) and rises and carry out firm support with the performance of decline through bracing piece (26), it is provided with injection molding inlet pipe (701) to go up moulding box (7) one side intercommunication, the intercommunication is provided with the flexible pipe of steel wire on injection molding inlet pipe (701), is convenient for communicate outside feed mechanism through injection molding inlet pipe (701) and carries out the material packing of moulding plastics to the inside of going up moulding box (7) when moulding plastics.