CN215040017U

CN215040017U - Injection mold convenient to drawing of patterns

Info

Publication number: CN215040017U
Application number: CN202120435518.3U
Authority: CN
Inventors: 徐燕平; 徐晖; 陈国祥
Original assignee: Shanghai Changmei Precision Moulds Ltd
Current assignee: Shanghai Changmei Precision Moulds Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-12-07
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses an injection mold convenient to drawing of patterns, including mould body, pneumatic cylinder, bed die, mould case, cooler bin, water pump, reset spring and water tank, bottom central point puts and installs the water tank in the mould body, lean on the position to be equipped with the water filling port in the middle of water tank one side, the water filling port leads to pipe and cooler bin intercommunication, the cooler bin bottom is fixed through the support frame, lean on the position to install the water pipe in the middle of one side that the cooler bin deviates from the water tank, the water pipe runs through the delivery port intercommunication of mould body and water pump, install the mould case in the water tank, install the bed die in the mould case. The utility model discloses a set up water tank, cooler bin and water pump, reached the purpose of handling the mould cooling.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold convenient to drawing of patterns.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold is divided into two types, namely a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics, and divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like according to the molding process, wherein the hot pressing mold can be divided into three types, namely a flash type, a semi-flash type and a non-flash type, the injection mold can be divided into two types, namely a cold runner mold and a hot runner mold, by a pouring system, and the injection mold can be divided into two types, namely a movable type and a fixed type, by a loading and unloading method. After injection molding is complete, demolding is very important.

After a large number of searches, the following results are obtained: chinese utility model patent: the application number [ CN201821918504.1 ], publication number [ CN209240420U ], the utility model discloses an injection mold convenient for demolding, which comprises an upper fixed plate and a lower fixed plate, wherein both sides of the upper fixed plate are fixedly connected with the lower fixed plate through support columns, both sides of the top end of the upper fixed plate are fixedly provided with hydraulic cylinders, the hydraulic cylinders are fixedly connected with the top end of an upper mold through hydraulic rods penetrating through the upper fixed plate, guide rods fixedly arranged at both sides of the upper mold are respectively penetrated and connected with the support columns, a mold groove is arranged under the upper mold, and push plates are embedded at both sides of the top end inside the mold groove. Make the inside mould of die cavity break away from fast, reach the purpose of quick drawing of patterns, improved work efficiency greatly, overall structure is simple, and the practicality is strong.

Traditional injection mould does not possess the function of handling the mould cooling, therefore the injection molding material glues on the mould inner wall easily to influence the convenience of drawing of patterns.

Disclosure of Invention

An object of the utility model is to provide an injection mold convenient to drawing of patterns, water tank, cooler bin and the water pump advantage that possesses have solved the mould and have not cooled down the processing, consequently the injection molding material glues on the mould inner wall easily to influence the problem of the convenience of drawing of patterns.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold convenient to drawing of patterns, includes mould body, pneumatic cylinder, bed die, mould case, cooler bin, water pump, reset spring and water tank, bottom central point puts and installs the water tank in the mould body, lean on the upper position to be equipped with the water filling port in the middle of water tank one side, the water filling port leads to pipe and cooler bin intercommunication, the cooler bin bottom is fixed through the support frame, lean on the upper position to install the water pipe in the middle of one side that the cooler bin deviates from the water tank, the water pipe runs through the delivery port intercommunication of mould body and water pump, install the mould case in the water tank, install the bed die in the mould case.

Preferably, the water pump is installed on the horizontal pole, the horizontal pole has one, and the horizontal pole is connected between two supporting legs of one side that correspond with the cooler bin, the supporting leg has four, installs respectively in mould body bottom four corners department, the base is all installed to the supporting leg bottom.

Preferably, a water outlet is formed in the center of the bottom of the water tank, the water outlet is designed in a funnel mode, and a sealing cover is installed at the bottom of the water outlet.

Preferably, the middle positions of two sides of the bottom of the mold box are respectively provided with a buffer spring, and the bottom of each buffer spring is fixed on the bottom plate of the water tank.

Preferably, return springs are installed in the middle positions of two sides of the bottom of the lower die, and the bottoms of the return springs are fixed on a bottom plate of the die box.

Preferably, the pneumatic cylinder is installed at the top intermediate position in the mould body, the output of pneumatic cylinder is towards the bed die, the fixed plate is installed to the output of pneumatic cylinder, the mould is installed to the fixed plate bottom, the length and width of fixed plate is greater than the length and width of mould case, go up mould and bed die size looks adaptation.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model achieves the purpose of cooling the mould by arranging the water tank, the cooling tank and the water pump, solves the problem that the mould is not cooled, so that the injection molding material is easy to stick on the inner wall of the mould, thereby affecting the convenience of demoulding, starts the hydraulic cylinder, leads the hydraulic cylinder to drive the fixed plate and the upper mould to press downwards, when the fixed plate is contacted with the mould tank, the upper mould presses the lower mould, leads the lower mould to press the reset spring to move downwards, at the moment, the mould tank moves downwards integrally because of the pressure until the compression limit of the buffer spring, starts the water pump, leads the water to flow to the cooling tank through the water pump for cooling through the water pump pressurizing, then enters the water tank through the water filling port, thereby cooling the mould, being convenient for demoulding, after cooling, opens the sealing cover for draining, the hydraulic cylinder is recovered to drive the upper mould to move upwards, leading the mould tank not to return to the original position through the buffer spring, the lower die returns to the original position through a return spring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is the pressing schematic diagram of the upper die of the utility model.

In the figure: 1. a mold body; 2. a hydraulic cylinder; 3. a fixing plate; 4. an upper die; 5. a lower die; 6. a mold box; 7. a water injection port; 8. a cooling tank; 9. a water pipe; 10. a support frame; 11. a water pump; 12. a return spring; 13. a water tank; 14. a buffer spring; 15. a water outlet; 16. a sealing cover; 17. supporting legs; 18. a base; 19. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 to 3, the utility model provides an injection mold technical scheme convenient for demolding: the utility model provides an injection mold convenient to drawing of patterns, including mould body 1, pneumatic cylinder 2, bed die 5, mould case 6, cooler bin 8, water pump 11, reset spring 12 and water tank 13, bottom central point puts and installs water tank 13 in the mould body 1, lean on the upper position to be equipped with water filling port 7 in the middle of water tank 13 one side, water filling port 7 leads to pipe 9 and cooler bin 8 intercommunication, cooler bin 8 bottom is fixed through

support frame

10, 8 one side that deviates from water tank 13 of cooler bin is middle to lean on the upper position to install pipe 9, pipe 9 runs through the delivery port intercommunication of mould body 1 with water pump 11, start water pump 11, through water pump 11 pressure boost, make water flow to cooler bin 8 through pipe 9 and cool off, rethread water filling port 7 gets into water tank 13, thereby cool down for the mould, the drawing of patterns of being convenient for. A die box 6 is arranged in the water tank 13, and a lower die 5 is arranged in the die box 6.

Water pump 11 is installed on horizontal pole 19, and horizontal pole 19 has one, and horizontal pole 19 connects between two supporting legs 17 of one side that correspond with cooler bin 8, and supporting leg 17 has four, installs respectively in 1 bottom four corners department of mould, and base 18 is all installed to supporting leg 17 bottom. A water outlet 15 is arranged at the center of the bottom of the water tank 13, the water outlet 15 is designed in a funnel mode, a sealing cover 16 is arranged at the bottom of the water outlet 15, and after the temperature is reduced, the sealing cover 16 is opened to drain water. Buffer springs 14 are installed in the middle positions of two sides of the bottom of the die box 6, the bottom of each buffer spring 14 is fixed to the bottom plate of the water tank 13, and when the die box 6 is not stressed, the die box can return to the original position through the buffer springs 14. Reset spring 12 is all installed to 5 bottom both sides intermediate positions of bed die, and reset spring 12 bottom is fixed on mould case 6 bottom plates, can return the normal position through reset spring 12 after bed die 5 does not receive the pressure down. Pneumatic cylinder 2 installs top intermediate position in mould body 1, pneumatic cylinder 2's output is towards bed die 5, fixed plate 3 is installed to pneumatic cylinder 2's output, mould 4 is installed to fixed plate 3 bottom, the length and width of fixed plate 3 is greater than the length and width of mould case 6, go up

mould

4 and 5 big or small looks adaptations of bed die, start pneumatic cylinder 2, make pneumatic cylinder 2 drive fixed plate 3 and go up mould 4 and push down, contact when fixed plate 3 and mould case 6, go up mould 4 suppression bed die 5, make bed die 5 suppression reset spring 12 move down.

The utility model discloses conventional water pump is chooseed for use to the water pump- -S12WG-8 designs, and this model motor only refers to as affiliated technical field personnel and chooses for use, and affiliated technical field personnel can carry out the motor of matching the same parameter and function according to the actual production needs and carry out the installation and debugging and use, the utility model discloses do not describe repeatedly.

The working principle is as follows: start hydraulic cylinder 2, make pneumatic cylinder 2 drive fixed plate 3 and last mould 4 push down, contact with mould case 6 when fixed plate 3, go up mould 4 suppression bed die 5, make bed die 5 suppression reset spring 12 move down, mould case 6 moves down because pressure is whole this moment, until buffer spring 14's compression limit, start water pump 11, through the pressure boost of water pump 11, make water flow to cooling tank 8 through water pipe 9 and cool off, rethread water filling port 7 gets into water tank 13, cool down with this for the mould, the drawing of patterns of being convenient for, the cooling finishes, open sealed lid 16 and drain, pneumatic cylinder 2 retrieves and drives mould 4 and move up, make mould case 6 not receive the pressure through buffer spring 14 and return the normal position, bed die 5 returns the normal position through reset spring 12.

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

Claims

1. The utility model provides an injection mold convenient to drawing of patterns, includes mould body (1), pneumatic cylinder (2), bed die (5), mould case (6), cooler bin (8), water pump (11), reset spring (12) and water tank (13), its characterized in that: bottom central point puts and installs water tank (13) in mould body (1), lean on the position to be equipped with water filling port (7) in the middle of water tank (13) one side, water filling port (7) are through water pipe (9) and cooler bin (8) intercommunication, it is fixed that support frame (10) are passed through to cooler bin (8) bottom, lean on the position to install water pipe (9) in the middle of cooler bin (8) one side that deviates from water tank (13), water pipe (9) run through the delivery port intercommunication of mould body (1) and water pump (11), install mould case (6) in water tank (13), install bed die (5) in mould case (6).

2. The injection mold for facilitating demolding as claimed in claim 1, wherein: water pump (11) are installed on horizontal pole (19), horizontal pole (19) have one, and horizontal pole (19) are connected between two supporting legs (17) of one side that correspond with cooler bin (8), supporting leg (17) have four, install respectively in mould body (1) bottom four corners department, base (18) are all installed to supporting leg (17) bottom.

3. The injection mold for facilitating demolding as claimed in claim 1, wherein: the water tank is characterized in that a water outlet (15) is formed in the center of the bottom of the water tank (13), the water outlet (15) is designed in a funnel mode, and a sealing cover (16) is installed at the bottom of the water outlet (15).

4. The injection mold for facilitating demolding as claimed in claim 1, wherein: buffer springs (14) are installed in the middle of two sides of the bottom of the die box (6), and the bottoms of the buffer springs (14) are fixed on a bottom plate of the water tank (13).

5. The injection mold for facilitating demolding as claimed in claim 1, wherein: reset springs (12) are installed in the middle positions of two sides of the bottom of the lower die (5), and the bottoms of the reset springs (12) are fixed on a bottom plate of the die box (6).

6. The injection mold for facilitating demolding as claimed in claim 1, wherein: pneumatic cylinder (2) are installed at top intermediate position in mould body (1), the output of pneumatic cylinder (2) is towards lower mould (5), fixed plate (3) are installed to the output of pneumatic cylinder (2), mould (4) are installed to fixed plate (3) bottom, the length width of fixed plate (3) is greater than the length width of mould case (6), go up mould (4) and bed die (5) size looks adaptation.