CN215746332U

CN215746332U - Automatic washing machine drying tunnel die casting die of drawing of patterns

Info

Publication number: CN215746332U
Application number: CN202121238299.6U
Authority: CN
Inventors: 韦晓红
Original assignee: Anhui Jinlan Die Casting Co ltd
Current assignee: Anhui Jinlan Die Casting Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-08
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses an automatic demoulding die-casting die for a washing machine drying tunnel, which relates to the technical field of die-casting demoulding and comprises an upper die, a lower die, a die core and a demoulding mechanism, wherein the die core is arranged between the upper die and the lower die, the bottom end of the interior of the lower die is fixedly provided with the demoulding mechanism, die cavities are formed in the interior and the center of the die core, a demoulding hole is formed in the interior of the die core, which is positioned at the bottom end of the die cavity, and the demoulding mechanism is positioned right below the die cavity. According to the die-casting die, the demolding mechanism is not arranged, the hydraulic cylinder arranged in the demolding mechanism drives the connecting rod to move upwards, so that the ejector rod and the ejector block move towards the cavity in the demolding hole until the ejector block is contacted with a workpiece and ejects the workpiece, the four ejector blocks are arranged and are respectively positioned at four corners of the workpiece, stress points of workpiece demolding are increased, the workpiece is uniformly stressed in all positions in demolding, the workpiece is more easily demolded, the demolding is time-saving and labor-saving, the labor intensity of workers is reduced, and the working efficiency is improved.

Description

Automatic washing machine drying tunnel die casting die of drawing of patterns

Technical Field

The utility model relates to the technical field of die-casting and demolding, in particular to a die-casting die for a washing machine drying tunnel with automatic demolding function.

Background

The drying function realized in the existing drum washing machine is generally realized by arranging a drying tunnel in the washing machine, connecting two ends of the drying tunnel with a drum to form circulation, and arranging a heater in the drying tunnel to evaporate and condense water and then discharge the water so as to dry clothes in the drum in the drying operation.

Die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die. The mold is typically machined from a stronger alloy, a process somewhat similar to injection molding. Most die cast parts are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin, and lead-tin alloys and their alloys. Depending on the type of die casting, either a cold chamber die casting machine or a hot chamber die casting machine may be used.

The drying tunnel of the existing washing machine is difficult to take out after the completion of die-casting molding under the pressure between two molds, generally needs the manual work to take out the drying tunnel after molding after being left inside a cavity, and takes out the drying tunnel through the manual work, thereby wasting time and labor, not only increasing the labor intensity of workers, but also reducing the work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die-casting die for a washing machine drying tunnel with automatic demolding, which aims to solve the problems that after the existing washing machine drying tunnel provided by the background technology is subjected to die-casting molding, the molded drying tunnel is left in a cavity and is difficult to take out under the pressure between two dies, the molded drying tunnel is generally required to be manually taken out, the mold is manually taken out, time and labor are wasted, the labor intensity of workers is increased, and the working efficiency is reduced

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

a die-casting die for a washing machine drying channel capable of achieving automatic demolding comprises an upper die, a lower die, a die core and a demolding mechanism, wherein the die core is arranged between the upper die and the lower die, an upper die plate is fixedly mounted on the top end surface of the upper die, a lower die plate is fixedly mounted on the bottom end surface of the lower die, the die core is fixedly connected with the lower die plate through a bolt, one end of the bolt penetrates through the lower die plate and extends to the inside of the die core, a positioning column is arranged at the bottom end of the upper die, the upper die is fixedly connected with the die core through the positioning column, the demolding mechanism is fixedly mounted at the bottom end inside the lower die, a cavity is formed in the inside and the center of the die core, a demolding hole is formed in the bottom end, located in the cavity, of the inside of the die core, the demolding mechanism is located under the cavity and comprises a fixing plate, a hydraulic cylinder, a connecting rod, a protection pad, an ejector rod, a spring and an ejector block, wherein the fixing plate is arranged in the center inside of the lower die core, the surface of fixed plate is provided with the pneumatic cylinder, and the pneumatic cylinder is located the die cavity under, the output end threaded connection of pneumatic cylinder has the connecting rod, the one end skin weld of connecting rod has the ejector pin, the one end surface of ejector pin is provided with the spring, the one end of spring is provided with the kicking block.

Preferably, the connecting rod is in a cross shape, a protection pad is arranged at the center of the surface of the connecting rod, and the protection pad is abutted to the bottom end of the die core.

Preferably, ejector rods are arranged at four corners of the surface of the connecting rod, and the number of the demoulding holes is the same as that of the ejector rods, and the positions of the demoulding holes correspond to that of the ejector rods.

Preferably, the hydraulic cylinder is fixedly installed in the lower die through a fixing plate, and the hydraulic cylinder is fixedly connected with the ejector rod through a connecting rod.

Preferably, the ejector rod, the spring and the ejector block are coaxially arranged, the spring is arranged between the ejector rod and the ejector block, and the ejector rod is fixedly connected with the ejector block through the spring.

Preferably, the top surface of the top block is arc-shaped.

Compared with the prior art, the utility model provides an automatic demoulding die-casting die for a washing machine drying tunnel, which has the following beneficial effects:

according to the utility model, the drying tunnel movement is demoulded by the arranged demoulding mechanism, the hydraulic cylinder is firstly opened when demoulding, the hydraulic cylinder drives the connecting rod to move upwards, so that the ejector rod and the ejector block move towards the cavity in the demoulding hole until the ejector block ejects the workpiece out of the mould, and the workpiece is buffered under the action of the spring, so that the workpiece is prevented from being damaged by the fact that the ejector rod drives the ejector block to move too fast, and the four ejector blocks are respectively positioned at the four corners of the workpiece, so that stress points of workpiece demoulding are increased, the workpiece is easier to demould, demoulding time and labor are saved, the labor intensity of workers is reduced, and the working efficiency is further improved.

Drawings

FIG. 1 is a schematic structural view of a die-casting mold of an automatic demolding washing machine drying tunnel of the utility model;

FIG. 2 is a schematic sectional view of a die-casting mold of an automatic demolding washing machine drying tunnel according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a connecting rod structure of the present invention;

the reference numbers in the figures are:

1. mounting a template; 2. an upper die; 3. a die core; 4. a lower die; 5. a lower template; 6. a demolding mechanism; 7. a bolt; 8. a positioning column; 9. a cavity; 10. demoulding holes; 11. a fixing plate; 12. a hydraulic cylinder; 13. a connecting rod; 14. a protection pad; 15. a top rod; 16. a spring; 17. and (7) a top block.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-4, an automatic demoulding die-casting die for a washing machine drying tunnel comprises an upper die 2, a lower die 4, a die core 3 and a demoulding mechanism 6, wherein the die core 3 is arranged between the upper die 2 and the lower die 4, the demoulding mechanism 6 is fixedly installed at the bottom end inside the lower die 4, a cavity 9 is formed in the die core 3 and in the center, a demoulding hole 10 is formed in the die core 3 and at the bottom end of the cavity 9, the demoulding mechanism 6 is positioned under the cavity 9, the demoulding mechanism 6 comprises a fixing plate 11, a hydraulic cylinder 12, a connecting rod 13, a protection pad 14, a push rod 15, a spring 16 and a push block 17, the fixing plate 11 is arranged in the center inside the lower die 4, the hydraulic cylinder 12 is arranged on the surface of the fixing plate 11, the hydraulic cylinder 12 is positioned under the cavity 9, the connecting rod 13 is in threaded connection with the output end of the hydraulic cylinder 12, the push rod 15 is welded on the surface of one end of the connecting rod 13, the output end of the hydraulic cylinder 12 is fixedly connected with the push rod 15 through the connecting rod 13, one end surface of the ejector rod 15 is provided with a spring 16, and one end of the spring 16 is provided with an ejector block 17.

Specifically, go up the top fixed surface of mould 2 and install cope match-plate pattern 1, the bottom fixed surface of lower mould 4 installs lower bolster 5, and mould core 3 passes through

bolt

7 and 5 fixed connection of lower bolster, and the one end of bolt 7 runs through lower bolster 5 and extends to the inside of mould core 3, and the bottom of going up mould 2 is provided with reference column 8, goes up mould 2 and passes through reference column 8 and mould core 3 fixed connection.

Specifically, connecting rod 13 is the cross, and the surperficial center department of connecting rod 13 is provided with protection pad 14, protection pad 14 and the bottom looks butt of mould core 3, protection pad 14 is the rubber material, it is excessive to prevent that the output of pneumatic cylinder 12 from driving connecting rod 13 to stretch out and draw back, make connecting rod 13 cause certain damage to mould core 3, effectually protect mould core 3, increase mould core 3's trial life-span, connecting rod 13's surperficial four corners all is provided with ejector pin 15, the quantity of drawing of patterns hole 10 is the same with ejector pin 15, and the position is corresponding, ejector pin 15, spring 16 and kicking block 17 all are provided with four, and be located connecting rod 13's four corners respectively, be located the four corners department of die cavity simultaneously, when the drawing of patterns, four kicking blocks 17 are ejecting simultaneously to the work piece, increase the stress point of work piece drawing of patterns, make the work piece make the stress everywhere even in the drawing of patterns, thereby make the work piece drawing of patterns easier.

Specifically, the hydraulic cylinder 12 is fixedly mounted inside the lower die 4 through a fixing plate 11, the hydraulic cylinder 12 is fixedly connected with an ejector rod 15 through a connecting rod 13, the ejector rod 15, a spring 16 and an ejector block 17 are coaxially arranged and are all arranged inside the demolding hole 10, the spring 16 is arranged between the ejector rod 15 and the ejector block 17, one end of the spring 16 is abutted to the ejector rod 15, the other end of the spring is abutted to the ejector block 7, the ejector rod 15 is fixedly connected with the ejector block 17 through the spring 16, the top end surface of the ejector block 17 is in a circular arc shape, the ejector block 17 is made of soft elastic materials such as soft plastics or rubber, and the workpiece is prevented from being scratched when the ejector block 17 is ejected through the circular arc shape.

The working principle and the using process of the utility model are as follows: after the die-casting machine is installed, when a workpiece is checked to be used without errors, if the workpiece is die-cast, the hydraulic cylinder 12 is started, the hydraulic cylinder 12 stretches and retracts to drive the connecting rod 13 to move downwards, so that the ejector rods 15 at four corners of the connecting rod 13 move towards the cavity 9 inside the demoulding hole, then the ejector rods 15 drive the ejector blocks 17 to move upwards through the springs 16 until the ejector rods abut against the workpiece inside the cavity 9, then the hydraulic cylinder 12 continues to work until the workpiece is ejected out of the cavity 9, when demoulding is completed, the hydraulic cylinder 12 stops working, the connecting rod 13 is driven to move downwards, the connecting rod 13 drives the ejector rods 15 to move, so that the ejector blocks 17 retract into the demoulding hole 10, and the workpiece is demoulded in a time-saving and labor-saving mode through automatic matching of the hydraulic cylinder 12, the connecting rod 13, the ejector rod 15 springs 16 and the ejector blocks 17, so that the labor intensity of workers is reduced, and the working efficiency is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, 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 an automatic washing machine drying tunnel die casting die of drawing of patterns, includes mould (2), lower mould (4), mould core (3) and demoulding mechanism (6), its characterized in that: the die is characterized in that a die core (3) is arranged between the upper die (2) and the lower die (4), an upper die plate (1) is fixedly mounted on the top end surface of the upper die (2), a lower die plate (5) is fixedly mounted on the bottom end surface of the lower die (4), the die core (3) is fixedly connected with the lower die plate (5) through a bolt (7), one end of the bolt (7) penetrates through the lower die plate (5) and extends to the inside of the die core (3), a positioning column (8) is arranged at the bottom end of the upper die (2), the upper die (2) is fixedly connected with the die core (3) through the positioning column (8), a demolding mechanism (6) is fixedly mounted at the bottom end inside the lower die (4), a cavity (9) is formed in the inside and the center of the die core (3), a demolding hole (10) is formed in the bottom end, located in the cavity (9), and the demolding mechanism (6) is located under the cavity (9), demoulding mechanism (6) is including fixed plate (11), pneumatic cylinder (12), connecting rod (13), protection pad (14), ejector pin (15), spring (16) and kicking block (17), fixed plate (11) sets up the inside central authorities of lower mould (4), the surface of fixed plate (11) is provided with pneumatic cylinder (12), and pneumatic cylinder (12) are located die cavity (9) under, the output threaded connection of pneumatic cylinder (12) has connecting rod (13), the one end skin weld of connecting rod (13) has ejector pin (15), the one end surface of ejector pin (15) is provided with spring (16), the one end of spring (16) is provided with kicking block (17).

2. The die-casting die for the washing machine drying tunnel with automatic demolding function as claimed in claim 1, wherein the die-casting die comprises: the connecting rod (13) is in a cross shape, a protection pad (14) is arranged at the center of the surface of the connecting rod (13), and the protection pad (14) is abutted to the bottom end of the die core (3).

3. The die-casting die for the washing machine drying tunnel with automatic demolding function as claimed in claim 1, wherein the die-casting die comprises: ejector rods (15) are arranged at four corners of the surface of the connecting rod (13), and the number of the demoulding holes (10) is the same as that of the ejector rods (15) and the positions of the demoulding holes correspond to that of the ejector rods (15).

4. The die-casting die for the washing machine drying tunnel with automatic demolding function as claimed in claim 1, wherein the die-casting die comprises: the hydraulic cylinder (12) is fixedly installed in the lower die (4) through a fixing plate (11), and the hydraulic cylinder (12) is fixedly connected with the ejector rod (15) through a connecting rod (13).

5. The die-casting die for the washing machine drying tunnel with automatic demolding function as claimed in claim 1, wherein the die-casting die comprises: ejector pin (15), spring (16) and kicking block (17) coaxial setting, spring (16) set up between ejector pin (15) and kicking block (17), ejector pin (15) pass through spring (16) and kicking block (17) fixed connection.

6. The die-casting die for the washing machine drying tunnel with automatic demolding function as claimed in claim 1, wherein the die-casting die comprises: the top end surface of the top block (17) is arc-shaped.