CN218196450U

CN218196450U - Polyurethane wheel casting mold convenient to ejection of compact

Info

Publication number: CN218196450U
Application number: CN202222843699.0U
Authority: CN
Inventors: 生江磊; 朱娟; 于帅
Original assignee: Qingdao Shengmaoyuan Precision Machinery Mould Manufacturing Co ltd
Current assignee: Qingdao Shengmaoyuan Precision Machinery Mould Manufacturing Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-03
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a polyurethane wheel field just discloses a polyurethane wheel casting mold convenient to ejection of compact, and the effectual when having solved present production polyurethane wheel need carry out the dismouting to the mould and use, the ejection of compact of inconvenient product for the problem that production efficiency reduces, comprises a workbench, the lower mould is installed on the top of workstation, installs pressurization ejection of compact subassembly on the lower mould, and pressurization ejection of compact subassembly is including installing in the inside wheel stem of lower mould, and the top pole is installed on the top of wheel stem, and the inside groove has been seted up to the inside of top pole, and the bottom of inside groove is located the inside of lower mould, the utility model discloses, after entering into the inside of lower mould through the clamp plate, open first cylinder for the output of first cylinder promotes the piston including the inslot and moves down, because clamp plate rigidity for atmospheric pressure increases between piston and the ejector pin, makes the bottom plate to the pressure increase of raw materials bottom, improves polyurethane wheel density under the pressure action then, prolongs polyurethane wheel's life.

Description

Polyurethane wheel casting mold convenient to ejection of compact

Technical Field

The utility model belongs to polyurethane wheel field specifically is a polyurethane wheel casting mold convenient to the ejection of compact.

Background

According to the patent document entitled "a modular polyurethane wheel casting mold" with the publication number "CN216068331U", the description thereof refers to: the utility model provides a mould of pouring polyurethane wheel, this mould adopts the modular mode, the production and installation of being convenient for, when the mould appears damaged or needs to be clean, convenient change and dismantlement, also can carry out differentiation processing as required, the polyurethane wheel drawing of patterns of being convenient for simultaneously improves production efficiency, adopt the modularization to make, can make the decorative pattern mould of different shapes according to different needs, assembling it, form the mould that has new decorative pattern, convenient production, and the increase of efficiency reduces the waste of resource:

because need carry out dismouting use to the mould when using to make the ejection of compact of inconvenient product, thereby make production efficiency reduce.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a polyurethane wheel casting mold convenient to the ejection of compact, effectual when having solved present production polyurethane wheel need carry out the dismouting to the mould and use, the ejection of compact of inconvenient product for the problem of production efficiency reduction.

In order to achieve the above object, the utility model provides a following technical scheme: a polyurethane wheel pouring mold convenient for discharging comprises a workbench, wherein a lower mold is mounted at the top end of the workbench, and a pressurizing and discharging assembly is mounted on the lower mold;

the pressurizing and discharging assembly comprises a wheel core column installed inside the lower die, a top rod is installed at the top end of the wheel core column, an inner groove is formed in the top rod, the bottom end of the inner groove is located inside the lower die, a communicating groove is formed in the outer side of the bottom end of the inner groove at an equal angle, a push rod is movably installed inside the communicating groove, a spring is installed at the bottom end of the push rod, one end of the spring is fixedly connected with the inner wall of the communicating groove, and a bottom plate is installed inside the lower die.

Preferably, the communicating groove is formed in the lower die and is L-shaped, one end of the communicating groove is located on the outer wall of the inner groove, and the other end of the communicating groove is located on the inner bottom wall of the lower die.

Preferably, the bottom end of the bottom plate is provided with a bottom groove at an equal angle, the ejector rod is inserted into the bottom groove, and the outer wall of the ejector rod is tightly attached to the inner wall of the communicating groove.

Preferably, the top end of the top rod is fixedly provided with a first cylinder, the output end of the first cylinder is fixedly provided with a piston, and the outer wall of the piston is tightly attached to the inner wall of the inner groove.

Preferably, an upper die is arranged above the lower die, one side of the top end of the upper die is fixedly connected with the output end of the second air cylinder, the upper die is fixedly installed at the top end of a portal frame, and the portal frame is fixedly installed on the workbench.

Preferably, the guide rod is installed on the top end of the upper die, the guide rod is connected to the inside of the guide groove in a sliding mode, and the guide groove is formed in the portal frame.

Preferably, the bottom end of the upper die is provided with a pressing plate, the pressing plate is the same as the bottom plate in shape, the upper die is connected with the top rod in a sliding mode, and the pressing plate is connected with the wheel core column in a sliding mode.

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

(1) The utility model discloses, after entering the inside of lower mould through the clamp plate, open first cylinder for the output of first cylinder promotes the piston and moves down in the inner tank, because the clamp plate position is fixed, make atmospheric pressure increase between piston and the ejector pin, make the bottom plate to the pressure increase of raw materials bottom, improve polyurethane wheel density under the pressure effect then, prolong the life of polyurethane wheel;

(2) This is novel, and through the clamp plate back-moving back, polyurethane wheel top pressure disappears, and piston promotion ejector pin and bottom plate rebound through atmospheric pressure after the downward movement this moment, then upwards release the polyurethane wheel in the lower mould to make things convenient for the unloading of polyurethane wheel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

FIG. 1 is a schematic structural view of a polyurethane wheel casting mold convenient for discharging according to the present invention;

FIG. 2 is a schematic view of the upper mold of the present invention;

FIG. 3 is a schematic view of the lower mold structure of the present invention;

FIG. 4 is a schematic view of the structure of the pressurized discharging assembly of the present invention;

FIG. 5 is a schematic view of the bottom plate structure of the present invention;

in the figure: 1. a work table; 2. a lower die; 3. a pressurized discharge assembly; 301. a wheel stem; 302. a top bar; 303. a first cylinder; 304. an inner tank; 305. a piston; 306. a communicating groove; 307. a base plate; 308. a bottom groove; 309. a top rod; 310. a spring; 4. a gantry; 5. an upper die; 6. a second cylinder; 7. a guide bar; 8. a guide groove; 9. and (7) pressing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 5, the utility model includes a workbench 1, a lower die 2 is installed on the top of the workbench 1, and a pressurizing and discharging assembly 3 is installed on the lower die 2;

the pressurizing and discharging assembly 3 comprises a wheel core column 301 arranged inside a lower die 2, a top rod 302 is arranged at the top end of the wheel core column 301, an inner groove 304 is formed inside the top rod 302, the bottom end of the inner groove 304 is positioned inside the lower die 2, a communicating groove 306 is formed in the outer side of the bottom end of the inner groove 304 at an equal angle, a top rod 309 is movably arranged inside the communicating groove 306, a spring 310 is arranged at the bottom end of the top rod 309, one end of the spring 310 is fixedly connected with the inner wall of the communicating groove 306, a bottom plate 307 is arranged inside the lower die 2, the communicating groove 306 is formed inside the lower die 2, the communicating groove 306 is arranged in an L shape, one end of the communicating groove 306 is positioned on the outer wall of the inner groove 304, the other end of the communicating groove 306 is positioned on the inner bottom wall of the lower die 2, a bottom groove 308 is formed in the bottom end of the bottom plate 307 at an equal angle, and the top rod 309 is inserted into the bottom groove 308, the outer wall of the ejector rod 309 is tightly attached to the inner wall of the communicating groove 306, the top end of the top rod 302 is fixedly provided with a first air cylinder 303, the output end of the first air cylinder 303 is fixedly provided with a piston 305, the outer wall of the piston 305 is tightly attached to the inner wall of the inner groove 304, an upper die 5 is arranged above the lower die 2, one side of the top end of the upper die 5 is fixedly connected with the output end of the second air cylinder 6, the upper die 5 is fixedly arranged at the top end of the portal frame 4, the portal frame 4 is fixedly arranged on the workbench 1, the top end of the upper die 5 is provided with a guide rod 7, the guide rod 7 is slidably connected to the inside of the guide groove 8, the guide groove 8 is formed in the portal frame 4, the bottom end of the upper die 5 is provided with a pressing plate 9, the shape of the pressing plate 9 is the same as that of the bottom plate 307, the upper die 5 is slidably connected with the top rod 302, and the pressing plate 9 is slidably connected with the wheel core column 301;

after clamp plate 9 entered into the inside of lower mould 2, open first cylinder 303, make the output of first cylinder 303 promote piston 305 downstream in inner trough 304, because clamp plate 9 rigidity, make atmospheric pressure increase between piston 305 and the ejector pin 309, make bottom plate 307 to the pressure increase of raw materials bottom, then improve polyurethane wheel density under the pressure effect, the life of extension polyurethane wheel, clamp plate 9 moves back, polyurethane wheel top pressure disappears, piston 305 promotes ejector pin 309 and bottom plate 307 rebound through atmospheric pressure after the downstream this moment, then upwards release the polyurethane wheel in lower mould 2, thereby make things convenient for the unloading of polyurethane wheel.

The working principle is as follows: when the polyurethane wheel is used, raw materials are injected into the lower die 2, then the second air cylinder 6 is started, the output end of the second air cylinder 6 pushes the upper die 5 to move downwards, the pressing plate 9 enters the lower die 2, so that the raw materials are located between the pressing plate 9 and the bottom plate 307, at the moment, the first air cylinder 303 is started, the output end of the first air cylinder 303 pushes the piston 305 to move downwards in the inner groove 304, and due to the fact that the position of the pressing plate 9 is fixed, air pressure between the piston 305 and the ejector rod 309 is increased, so that the pressure of the bottom plate 307 to the bottom end of the raw materials is increased, the density of the polyurethane wheel is improved, the quality of the polyurethane wheel is better, and at the moment, the air pressure between the piston 305 and the ejector rod 309 is still higher;

the ejection of compact afterwards, the output of second cylinder 6 drives and goes up mould 5 and move back, and polyurethane wheel top pressure disappears this moment for ejector pin 309 upwards removes under atmospheric pressure, makes bottom plate 307 promote the polyurethane wheel rebound after then, releases the polyurethane wheel from lower mould 2, makes things convenient for the unloading.

Claims

1. The utility model provides a polyurethane wheel casting mold convenient to ejection of compact, includes workstation (1), its characterized in that: the top end of the workbench (1) is provided with a lower die (2), and the lower die (2) is provided with a pressurizing and discharging assembly (3);

pressurization ejection of compact subassembly (3) is including installing in wheel core post (301) of lower mould (2) inside, top pole (302) are installed to the top of wheel core post (301), inside groove (304) have been seted up to the inside of top pole (302), the bottom of inside groove (304) is located the inside of lower mould (2), intercommunication groove (306) have been seted up to the bottom outside uniform angle of inside groove (304), the inside movable mounting of intercommunication groove (306) has ejector pin (309), spring (310) is installed to the bottom of ejector pin (309), the one end of spring (310) and the inner wall fixed connection of intercommunication groove (306), the internally mounted of lower mould (2) has bottom plate (307).

2. The polyurethane wheel casting mold facilitating discharging of the polyurethane wheel casting mold as claimed in claim 1, wherein: the communication groove (306) is formed in the lower die (2), the communication groove (306) is L-shaped, one end of the communication groove (306) is located on the outer wall of the inner groove (304), and the other end of the communication groove (306) is located on the inner bottom wall of the lower die (2).

3. The polyurethane wheel casting mold facilitating discharging of the polyurethane wheel casting mold as claimed in claim 1, wherein: the bottom end of the bottom plate (307) is provided with a bottom groove (308) at an equal angle, the top rod (309) is inserted into the bottom groove (308), and the outer wall of the top rod (309) is tightly attached to the inner wall of the communicating groove (306).

4. The polyurethane wheel casting mold facilitating discharging of the polyurethane wheel casting mold as claimed in claim 1, wherein: the top end of the top rod (302) is fixedly provided with a first cylinder (303), the output end of the first cylinder (303) is fixedly provided with a piston (305), and the outer wall of the piston (305) is tightly attached to the inner wall of the inner groove (304).

5. The polyurethane wheel casting mold facilitating discharging of the polyurethane wheel casting mold as claimed in claim 1, wherein: the upper die (5) is arranged above the lower die (2), one side of the top end of the upper die (5) is fixedly connected with the output end of the second air cylinder (6), the upper die (5) is fixedly installed on the top end of the portal frame (4), and the portal frame (4) is fixedly installed on the workbench (1).

6. The polyurethane wheel casting mold facilitating discharging of the claim 5, characterized in that: a guide rod (7) is installed at the top end of the upper die (5), the guide rod (7) is connected to the inside of the guide groove (8) in a sliding mode, and the guide groove (8) is formed in the portal frame (4).

7. The polyurethane wheel casting mold facilitating discharging of the polyurethane wheel casting mold as claimed in claim 5, wherein: the bottom end of the upper die (5) is provided with a pressing plate (9), the pressing plate (9) is the same as the bottom plate (307), the upper die (5) is slidably connected with the top rod (302), and the pressing plate (9) is slidably connected with the wheel core column (301).