CN1188266C - Bathroom hanger joint forming mold and method thereof - Google Patents

Abstract

A mold and a method for forming a hanger joint of a bathroom. In order to provide a forming die and a forming method of auxiliary appliances for a washroom, the invention provides the forming die which comprises a base body, a fixed die holder, a movable die holder, a driving structure and a stamping part; the fixed and movable die holders are respectively provided with a die cavity which forms a half part of the hanging rack joint with the upward base end and forms an opening on the top surface; stamping parts are arranged right above the fixed die holder and the movable die holder in an abutting joint shape, and the die cavities of the fixed die holder and the movable die holder are provided with mould ends which form a hanging rack joint seat end assembling groove corresponding to openings of the die cavities of the fixed die holder and the movable die holder; the forming method comprises heating the blank, placing the blank into a separate forming die, performing extrusion forming, opening the die and demolding.

Description

Bathroom hanger joint forming mold and method thereof

The invention belongs to a mold for forming an auxiliary appliance in a bathroom and a method thereof, in particular to a mold for forming a bathroom hanger joint and a method for the mold.

The bathroom hanger joint 1 is a component used for fixing the towel rack rod or the storage tray on the wall. As shown in FIG. 1 , the general hanger joint 1 is structurally composed of a seat end 10 and a head end 11 whose axes are perpendicular to each other because of conforming to the optimal assembly angle of the towel rack bar and the storage tray. Its seat end 10 forms the assembling slot 13 that is convenient to lock and assemble on the assembling seat, and its head end 11 then offers the seat hole 12 for towel rail bar or storage tray assembling positioning.

Generally, the manufacturing method of hanger joint 1, especially the integrally formed hanger joint, usually adopts the following manufacturing and forming methods and steps:

During manufacture, the upper and lower mold bases with corresponding mold cavities are used, and are made by punching. In order to consider the convenience of demolding the upper and lower mold bases, the curved hanger shown in Figure 1 is made The setting angle of the joint 1 on the mold is restricted and is in a horizontal setting state. So. After the demoulding and forming, the rough blank is a solid structure as shown in Figure 2; then the seat hole at the head end and the joint groove inside the bottom end are formed by drilling and milling machining; form the final product.

There are following disadvantages in the method for manufacturing and molding the above-mentioned bath rack hanging joint:

1. High processing cost: It is necessary to use an expensive two-axis processing machine to simultaneously cut the seat hole of the shape end and the assembly groove of the seat end. Therefore, not only the processing cost is increased, but also the processing time is prolonged due to the increase in the failure rate Possibilities increase.

2. Waste of material resources: The volume of waste formed after the solid rough blank is cut by the two-axis processing machine is almost half of the volume of the original rough blank. From the perspective of material cost, resource saving and environmental protection, it is really A major shortcoming.

The object of the present invention is to provide a low-cost, high-productivity, resource-saving, environment-friendly bathroom hanger joint molding die and method thereof.

The molding die of the present invention includes a base body, a fixed mold base assembled on the base body, a movable mold base opposite to the fixed mold base, and a telescopic support rod connected with the movable mold base to drive the movable mold base relative to the fixed mold base. The moving drive structure and stamping parts; the fixed mold base has a mold cavity that constitutes the half of the hanger joint with the seat end facing upward; Half of the mold cavity; the top surface of the mold cavity of the fixed mold base and the movable mold base forms an opening; the fixed mold base and the movable mold base in the state of being close to the fixed mold base are provided with stamping parts, which correspond to the fixed mold base. The mold cavity opening of the base and the movable mold base is provided with a mold end forming a connecting groove at the base end of the hanger joint.

Forming method of the present invention comprises:

a. Heating the blank: heating the blank for making the hanger joint to an appropriate temperature;

b. Put the blank into the separated forming mold: make the fixed mold base, the movable mold base and the stamping parts in a separated state, and put the heated blank into the cavity of the fixed mold base and the movable mold base;

c. Extrusion molding: start the driving structure, push the movable mold base to the fixed mold base through the telescopic support rod of the driving structure, and at the same time make the stamping part punch down with its mold end, pass through the fixed mold base and the movable mold base. The opening of the top surface of the seat is fixed in the mold cavity where the heated blank is placed; at this time, the heated blank will be plastically deformed by the extrusion of the fixed mold base, the movable mold base and the stamping parts at the same time to form a joint Groove hanger joint rough blank;

d. Mold opening: Pull the stamping parts away from the mold cavity of the fixed mold base and the movable mold base and return to the original position, and let the driving structure drive the movable mold base to slide away from the fixed mold base;

e. Demoulding: the formed hanger joint rough blank.

in:

The driving structure of the molding die is a hydraulic cylinder assembly.

Forming methods also include:

f. Machining the seat hole: machine the rough blank of the hanger joint to form the seat hole at the head end;

g. Modification processing: Carry out detailed processing and modification on the semi-finished products after machining to make hanger joints.

Because the molding die of the present invention comprises a base body, a fixed mold base, a movable mold base, a driving structure, and stamping parts; There are stamping parts directly above the fixed mold base and the movable mold base in a close-fitting shape, which correspond to the opening of the mold cavity of the fixed and movable mold bases. Including heating the blank, placing the blank into a separate forming mold, extrusion molding, mold opening and demoulding to form a hanger joint rough blank with a joint groove. During subsequent processing, only a simple single The shaft processing machine cuts to form the seat hole at the head end. Therefore, it not only reduces the processing cost, reduces the failure rate of the product and the failure rate of the processing machine, but also avoids the waste caused by cutting the joint groove that accounts for one-third of the blank material. , reduce material costs, save resources and be beneficial to environmental protection. That is to say, the blank of the hanger joint formed by the present invention not only has low cost and high productivity, but also saves resources and conforms to environmental protection, thereby achieving the purpose of the present invention.

Figure 1 is a schematic perspective view of the hanger joint structure.

Fig. 2 is a schematic perspective view of the structure of a rough embryo made with a traditional molding die.

Fig. 3 is a schematic perspective view of the structure of the molding die of the present invention.

Fig. 4 is a schematic diagram of step b of the molding method of the present invention.

Fig. 5 is a schematic diagram of step c of the forming method of the present invention.

Fig. 6 is a schematic diagram of step d of the forming method of the present invention (the stamping part is pulled out of the mold cavity of the fixed mold base and the movable mold base).

Fig. 7 is a schematic diagram of step d of the forming method of the present invention (the movable mold base slides away from the fixed mold base).

Fig. 8 is a schematic cross-sectional view of the rough embryo structure made with the molding die of the present invention and the method thereof.

Fig. 9 is a schematic three-dimensional view of the structure of the rough embryo made with the molding die and the method thereof of the present invention.

The present invention will be further elaborated below in conjunction with the accompanying drawings.

As shown in FIG. 3 , the molding die of the present invention includes a base body 20 , a fixed mold base 30 assembled at an appropriate position on the base body 20 , a movable mold base 40 , a driving structure 50 and a stamping part 60 .

As shown in FIG. 4 , the fixed mold base 30 has a mold cavity 31 forming half of the hanger joint 1 with the base end 10 facing upward, and an opening 32 is formed on the top surface of the mold cavity 31 .

As shown in FIG. 3 , the movable mold base 40 is slidably arranged on the base body 20 through the slide rail 43 , and is opposite to the fixed mold base 30 . As shown in Figure 4, there is a mold cavity 41 on the movable mold base 40 corresponding to the mold cavity 31 of the fixed mold base 30, which constitutes the other half of the hanger joint 1 with the seat end 10 facing upwards, and the top surface of the mold cavity 41 forms an opening. 42.

As shown in FIG. 3 , the driving structure 5 is a hydraulic cylinder fixed on the base body 20 , which has a telescopic support rod 51 connected with the movable mold base 40 .

As shown in Figures 3 and 4, the stamping part 60 is arranged directly above the fixed mold base 30 and the movable mold base 40 in a state of being in contact with the fixed mold base 30, which corresponds to the position of the fixed mold base 30 and the movable mold base 40. The openings 32, 42 formed by the mold cavities 31, 41 have a type end 61 that can constitute the assembly groove 13 of the seat end 10 of the hanger joint 1.

The driving structure 50 drives the movable mold base 40 connected with the telescopic pole 51 with its telescopic pole 5 to slide relative to the fixed mold base 30 on the slide rail 43 in a state of abutting or separating.

Forming method of the present invention comprises:

a, heating blank _1B1 : heating the blank _1B1 for making hanger joint 1 to an appropriate temperature;

b. Put the blank 1B ₁ into the separated forming mold: as shown in Figure 4, make the fixed mold base 30, the movable mold base 40 and the stamping part 60 in a separated state, and put the heated blank 1B ₁ into In the mold cavities 31, 41 of the fixed mold base 30 and the movable mold base 40;

c. Extrusion molding: as shown in Figure 5, start the driving structure 5, push the movable mold base 40 against the fixed mold base 30 through the telescopic support rod 51 of the driving structure 5, and at the same time make the stamping part 60 conform to its shape The end 61 is punched down, and the openings 32, 42 on the top surface of the fixed mold base 30 and the movable mold base 40 are fixed in the mold cavities 31, 41 where the heating blank 1B ₁ is placed; at this time, the heating blank 1B ₁ will At the same time, it is plastically deformed by the extrusion of the fixed mold base 30, the movable mold base 40 and the stamping part 60, so as to form the rough blank 1B of the hanger joint with the assembly groove 13 as shown in Figure 6;

d. Mold opening: as shown in Figure 6, the stamping part 60 is pulled away from the mold cavities 31, 41 of the fixed mold base 30 and the movable mold base 40 and returned to its original position; and as shown in Figure 7, the driving structure 5 is driven to move The mold base 40 slides away from the fixed mold base 30;

e. Demoulding: Take out the molded hanger joint blank 1B as shown in Fig. 8 and Fig. 9 .

f. Machining the seat hole: machine the rough blank of the hanger joint to form the seat hole at the head end as shown in Figure 1;

g. Modification processing: Carry out detailed processing and modification on the semi-finished product after machining, such as appearance polishing, electroplating, etc., to make the hanger joint as shown in Figure 1.

The effect of forming the rough blank 1B of the hanger joint with the assembly groove 13 by the forming mold and the forming method of the present invention is as follows:

1. Reducing the processing cost: Since the hanger joint blank 1B formed by compression molding of the present invention has directly formed the assembly groove 13, so in the subsequent processing, the head end 11 is only formed by cutting with a simple single-axis processing machine. The seat hole 12 is enough, therefore, not only the processing cost is greatly reduced, but also the failure rate of the product and the failure rate of the processing machine are reduced, thereby improving the processing efficiency.

2. Save material resources and cost: because the space occupied by the assembling groove 13 of the hanger joint 1 is at least one-third of the overall volume of the blank _1B1 , that is, by the present invention, the blank _1B1 will be omitted Assembling the groove 13 can save more than one-third of the volume, and the problem of waste materials after processing is also greatly reduced, which not only reduces material costs, saves resources, but also is beneficial to environmental protection.

Claims (4)

1, a kind of hanger joint used in bath room mould, it comprises base body, be mounted on fixedly die holder on the base body, with movable die holder that fixedly die holder is relative and with telescopic strut is connected with movable die holder and driving activity die holder relative fixed die holder moves drives structure; Fixedly die holder has the die cavity that constitutes hanger joint half one; Have with fixing die holder die cavity corresponding section on the movable die holder and constitute the hanger joint die cavity of half one in addition; The die cavity and the hanger joint seat end corresponding position that it is characterized in that described fixedly die holder and movable die holder are provided with up, and form uncovered in end face; Fixing die holder and be closing be provided with stamping parts directly over the movable die holder of fixing die holder state, it is corresponding to the fixing uncovered type termination that constitutes hanger joint seat end group-connecting groove that is provided with of die holder and movable die holder die cavity.

2, hanger joint used in bath room mould according to claim 1 is characterized in that described drives structure is the oil hydraulic cylinder assembly.

3, a kind of hanger joint used in bath room forming method, it comprises:

A, heating stock: the stock that will make hanger joint is heated to proper temperature;

It is characterized in that it also comprises:

B, stock inserted separate in the shape mould: make fixedly die holder, movable die holder and the separated attitude of stamping parts, and the stock after will heating is inserted in the die cavity of fixedly die holder and movable die holder;

C, extrusion modling: start drives structure, support to fixing die holder through the telescopic strut promotion activity die holder of drives structure and to end closing, and stamping parts is swept away with its type termination, be equipped with in the die cavity that heats stock through uncovered the terminating in surely of fixing die holder and movable die holder end face; Heating stock this moment will be subjected to fixedly die holder, movable die holder and stamping parts three's extruding and plastic deformation simultaneously, and formation has the thick embryo of hanger joint of group-connecting groove;

D, die sinking: make stamping parts detach the die cavity of fixedly die holder and movable die holder and keep in the center, and make drives structure driving activity die holder towards leaving fixedly die holder direction slippage;

E, the demoulding: the thick embryo of the hanger joint of moulding.

4, hanger joint used in bath room forming method according to claim 3 is characterized in that it also comprises:

F, processing seat hole: the thick embryo of hanger joint is carried out machining, form the seat hole of head end;

G, modification processing: the semi-finished product after the machining are carried out the processing of thin portion modify, make hanger joint.

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