CN216032222U

CN216032222U - Plastic cap injection molding mold

Info

Publication number: CN216032222U
Application number: CN202122298602.8U
Authority: CN
Inventors: 王晓龙; 郑安辉; 黄彬伦
Original assignee: Wenzhou Xubang Electronics Co ltd
Current assignee: Wenzhou Xubang Electronics Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-15
Anticipated expiration: 2031-09-18

Abstract

The utility model provides a plastic cap injection molding mold, which comprises a base, a lower mold base and an upper mold base, wherein the lower mold base is installed on the base, the upper mold base is arranged above the lower mold base, a rack passage is arranged on the lower mold base, a rack is connected in the rack passage in a sliding manner, a gear is rotatably installed on one side of the rack in the lower mold base, two groups of gears are arranged, the gears are meshed with the rack, a mold core is installed above the gear in the upper mold base, a limiting piece is rotatably connected in the mold core, a connecting piece is installed on the inner side of the limiting piece, the plastic cap injection molding mold is convenient to control the gear to rotate by the matching of an oil cylinder and the rack, then the limiting piece can rotate under the action of the connecting piece and a supporting rod, then the mold core moves upwards by the matching of a fixing block and a spiral groove, and demolding is completed, the operation is simple, the stability is high, and the problem is not easy to occur.

Description

Plastic cap injection molding mold

Technical Field

The utility model relates to the field of molds, in particular to an injection molding mold for a plastic cap.

Background

The plastic cap is a plastic cap, is a common packaging form for packaging bottles, cans and barrels, is particularly widely applied to the fields of beverages, chemical engineering and medicine, and can be divided into a breathable plastic cap and an air-tight plastic cap according to the application, wherein the plastic cap is usually produced in an injection molding mode in the production process, and an injection molding mold is required in the injection molding process;

however, in the use process of the existing injection molding mold, when demolding and unloading are carried out after injection molding is finished, core pulling is often carried out, so that the stability is poor, the operation is inconvenient, and the mold core are easily damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide an injection mold for plastic caps, in which a cylinder and a rack are provided to cooperate with each other, so as to control a gear to rotate, and then a limiting member can rotate under the action of a connecting member and a supporting rod, and then a mold core moves upward under the cooperation of a fixing block and a spiral groove, so as to complete demolding.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a plastics block injection moulding mould, includes base, die holder and upper die base, install the die holder on the base, the top of die holder is equipped with the upper die base, and is equipped with the rack way on the die holder, sliding connection has the rack in the rack way, and one side of rack installs the gear at the die holder internal rotation, the gear is equipped with two sets ofly, and the wheel is connected with the rack toothing, the mold core is installed to the top of gear in the upper die base, and the mold core internal rotation is connected with the locating part, and the connecting piece is installed to the inboard of locating part.

The further improvement lies in that: the die holder is characterized in that the lower die holder and the base are connected through two sets of bearing plates which are arranged oppositely, balancing weights are arranged between the bearing plates, the tops of the balancing weights are connected with the lower die holder through a plurality of sets of springs, supporting rods are installed on the balancing weights in a rotating mode, the supporting rods are two sets of supporting rods, the upper ends of the supporting rods penetrate through gears and are fixedly connected with connecting pieces, and the supporting rods are fixedly connected with the gears.

The further improvement lies in that: the die holder is characterized in that an oil cylinder is mounted on one side of the die holder through a support, the telescopic end of the oil cylinder is connected with one end of a rack, a limiting block is mounted on the rack channel on one side of the rack far away from a gear, multiple groups of limiting blocks are arranged, and one side of the limiting block close to the rack is in sliding contact with the rack.

The further improvement lies in that: the top of upper die base is installed the roof, be equipped with the sprue on the roof, the below of sprue is equipped with main duct, and main duct's upper end and sprue are connected, the shunt tubes is installed to main duct's below on the upper die base, the feed opening is all installed at the both ends of shunt tubes, and the lower extreme of feed opening is connected with the mold core through dividing the pipe.

The further improvement lies in that: the upper die base is composed of a first die base and a second die base, sockets are arranged on the second die base below the first die base and are evenly provided with multiple groups, and the sockets are communicated with the outside.

The further improvement lies in that: and positioning columns are arranged below the lower die holder, a plurality of groups of positioning columns are uniformly arranged on the positioning columns, the lower ends of the positioning columns are connected with the base, and the positioning columns are connected with the balancing weights in a sliding manner.

The further improvement lies in that: the limiting part is provided with spiral grooves, multiple groups of spiral grooves are uniformly formed in the spiral grooves, fixed blocks are arranged in the spiral grooves and are connected with the spiral grooves in a sliding mode, and the fixed blocks are connected with the mold cores.

The utility model has the beneficial effects that: this kind of plastics block injection moulding mould is through the cooperation that sets up hydro-cylinder and rack, the control gear of being convenient for rotates, then under the effect of connecting piece and bracing piece, make the locating part can rotate, then under the cooperation through fixed block and helicla flute, make the mold core rebound, accomplish the drawing of patterns, and easy operation, stability is high, be difficult to the problem, through the balancing weight of addding, promote the stability of mould bottom, through the stopper that sets up, avoid the rack at the in-process and the gear separation that remove.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic front cross-sectional view of the present invention.

FIG. 3 is a schematic top cross-sectional view of the upper die base of the present invention.

FIG. 4 is a schematic top cross-sectional view of the lower die holder of the present invention.

Fig. 5 is a side view schematic of the present invention.

FIG. 6 is a schematic perspective view of the spiral groove arrangement of the present invention.

Wherein: 1. a base; 2. a lower die holder; 3. an upper die holder; 4. a rack road; 5. a rack; 6. a gear; 7. a mold core; 8. a limiting member; 9. a connecting member; 10. a bearing plate; 11. a balancing weight; 12. a support bar; 13. an oil cylinder; 14. a limiting block; 15. a top plate; 16. a main duct; 17. a shunt tube; 18. a branch conduit; 19. a first die holder; 20. a second die holder; 21. a socket; 22. a positioning column; 23. a helical groove; 24. and (5) fixing blocks.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to the drawings of fig. 1-6, the embodiment provides an injection molding mold for plastic caps, which includes a base 1, a lower die holder 2 and an upper die holder 3, the lower die holder 2 is installed on the base 1, the upper die holder 3 is installed above the lower die holder 2, a rack passage 4 is formed in the lower die holder 2, a rack 5 is slidably connected in the rack passage 4, a gear 6 is rotatably installed on one side of the rack 5 in the lower die holder 2, two sets of gears 6 are arranged on the gear 6, the gear 6 is meshed with the rack 5, a mold core 7 is installed above the gear 6 in the upper die holder 3, a limiting member 8 is rotatably connected in the mold core 7, a connecting member 9 is installed on the inner side of the limiting member 8, and the rack 5 and the gear 6 are matched, so that the operation of a worker is more convenient, the structure of the simultaneous operation is simple, the stability is high, and one side of the rack 5, which is close to the gear 6, is provided with teeth, while the side remote from the gear wheel 6 is a smooth flat surface.

Be connected through two sets of bearing plate 10 that set up relatively between die holder 2 and the base 1, it is two sets of be equipped with balancing weight 11 between the bearing plate 10, and the top of balancing weight 11 is connected with die holder 2 through a plurality of group's springs, it installs bracing piece 12 to rotate on the balancing weight 11, and bracing piece 12 is equipped with two sets ofly, the upper end of bracing piece 12 run through gear 6 and with connecting piece 9 fixed connection, and bracing piece 12 and gear 6 fixed connection.

One side of lower bolster 2 has hydro-cylinder 13 through the support mounting, and the flexible end of hydro-cylinder 13 is connected with the one end of rack 5, rack 5 is kept away from one side of gear 6 and is installed stopper 14 on rack way 4, and stopper 14 is equipped with the multiunit, stopper 14 is close to one side and rack 5 sliding contact of rack 5.

Roof 15 is installed to the top of upper die base 3, be equipped with the sprue on roof 15, the below of sprue is equipped with main duct 16, and main duct 16's upper end is connected with the sprue, main duct 16's below installs shunt tubes 17 on upper die base 3, the feed opening is all installed at shunt tubes 17's both ends, and the lower extreme of feed opening is connected with mold core 7 through shunt tubes 18.

The upper die holder 3 comprises first die holder 19 and second die holder 20, and the upper die holder 3 is split type design promptly, be equipped with socket 21 on the second die holder 20 below of first die holder 19, and socket 21 evenly is equipped with the multiunit, socket 21 and outside intercommunication, socket 21 are the staff of being convenient for lift up first die holder 19.

Reference column 22 is installed to the below of lower bolster 2, and reference column 22 evenly is equipped with the multiunit, the lower extreme and the base 1 of reference column 22 are connected, and on 22 with balancing weight 11 sliding connection, the setting of reference column 22 avoids balancing weight 11 to break away from the mould.

Be equipped with the helicla flute 23 on the locating part 8, and the helicla flute 23 evenly is equipped with the multiunit, be equipped with fixed block 24 in the helicla flute 23, and fixed block 24 and helicla flute 23 sliding connection, fixed block 24 is connected with mold core 7, and the dead lever is installed to the one end of fixed block 24, and a sliding block is installed to the other end of this dead lever, and this sliding block is with upper die base 3 sliding connection, and gliding direction is for sliding from top to bottom.

When in use, the upper die holder 3 and the lower die holder 2 are designed to be separated, the aim is convenient to disassemble, a material is arranged on the upper die holder 3, the material passes through the material injection port and the main guide pipe 16 and then passes through the flow dividing pipe 17 and the flow dividing pipe 18 to the die core 7, then when demoulding is needed, the first die holder 19 and the top plate 15 are taken down together manually, at the moment, the die core 7 is positioned at the inner side of the second die holder 20, then the oil cylinder 13 is started, the oil cylinder 13 can pull the rack 5 or push the rack 5, so that the rack 5 can move in the rack channel 4, in the moving process of the rack 5, the gear 6 can rotate, the supporting rod 12 is driven to rotate, the upper end of the supporting rod 12 is connected with the connecting piece 9, namely, the connecting piece 9 rotates together, at the moment, the limiting piece 8 also rotates, and then the fixing block 24 is matched with the spiral groove 23, so that the mold core can move upwards or downwards, thereby facilitating the unloading.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a plastics block injection moulding mould, includes base (1), die holder (2) and upper die base (3), its characterized in that: install die holder (2) on base (1), the top of die holder (2) is equipped with upper die base (3), and is equipped with rack way (4) on die holder (2), rack way (4) sliding connection has rack (5), and one side of rack (5) installs gear (6) at lower die base (2) internal rotation, gear (6) are equipped with two sets ofly, and gear (6) are connected with rack (5) meshing, mold core (7) are installed in upper die base (3) in the top of gear (6), and mold core (7) internal rotation is connected with locating part (8), and connecting piece (9) are installed to the inboard of locating part (8).

2. A plastic cap injection mold according to claim 1, characterized in that: be connected through two sets of bearing plate (10) that set up relatively between die holder (2) and base (1), it is two sets of be equipped with balancing weight (11) between bearing plate (10), and the top of balancing weight (11) is connected with die holder (2) through a plurality of group's springs, it installs bracing piece (12) to rotate on balancing weight (11), and bracing piece (12) are equipped with two sets ofly, the upper end of bracing piece (12) run through gear (6) and with connecting piece (9) fixed connection, and bracing piece (12) and gear (6) fixed connection.

3. A plastic cap injection mold according to claim 1, characterized in that: one side of lower bolster (2) is passed through the support mounting and is had hydro-cylinder (13), and the flexible end of hydro-cylinder (13) is connected with the one end of rack (5), rack (5) keep away from one side of gear (6) and install stopper (14) on rack way (4), and stopper (14) are equipped with the multiunit, stopper (14) are close to one side and rack (5) sliding contact of rack (5).

4. A plastic cap injection mold according to claim 1, characterized in that: roof (15) are installed to the top of upper die base (3), be equipped with the sprue on roof (15), the below of sprue is equipped with main duct (16), and the upper end and the sprue of main duct (16) are connected, shunt tubes (17) are installed on upper die base (3) to the below of main duct (16), the feed opening is all installed at the both ends of shunt tubes (17), and the lower extreme of feed opening is connected with mold core (7) through branch pipe (18).

5. A plastic cap injection mold according to claim 1, characterized in that: the die comprises an upper die holder (3), a first die holder (19) and a second die holder (20), wherein a socket (21) is arranged on the second die holder (20) below the first die holder (19), a plurality of groups of sockets (21) are uniformly arranged, and the sockets (21) are communicated with the outside.

6. A plastic cap injection mold according to claim 2, characterized in that: and positioning columns (22) are installed below the lower die base (2), multiple groups of positioning columns (22) are uniformly arranged, the lower ends of the positioning columns (22) are connected with the base (1), and the positioning columns (22) are connected with the balancing weights (11) in a sliding mode.

7. A plastic cap injection mold according to claim 1, characterized in that: be equipped with helicla flute (23) on locating part (8), and helicla flute (23) evenly are equipped with the multiunit, be equipped with fixed block (24) in helicla flute (23), and fixed block (24) and helicla flute (23) sliding connection, fixed block (24) are connected with mold core (7).