CN218460576U

CN218460576U - A mould for producing tap

Info

Publication number: CN218460576U
Application number: CN202221216769.3U
Authority: CN
Inventors: 邓荣辉
Original assignee: Foshan Shunde Shuiyiyuan Hardware Mould Co ltd
Current assignee: Foshan Shunde Shuiyiyuan Hardware Mould Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-02-10
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to a mould for producing tap, including last mould subassembly and lower mould subassembly, it includes mould and last die cushion board to go up the mould subassembly, lower mould subassembly includes die holder, lower mould, fixed column, guide pillar and lower die cushion board, goes up mould fixedly connected with and goes up the die cushion board, and die holder fixedly connected with lower die cushion board, fixed column and guide pillar are all placed in the die holder, go up the mould and the lower mould combination is formed with the die cavity, the die cavity turn-on connection die holder. The utility model enables the pipe to be shaped by direct water expansion through the internal high pressure technology, thereby effectively preventing the complex manufacturing of the water tap and improving the production speed of the product; the pressure required by the oil cylinder is reduced from 500 tons to 100 tons, the required energy consumption is greatly reduced, the power of the motor is reduced, and the service life of the motor is prolonged.

Description

A mould for producing tap

Technical Field

The utility model belongs to the technical field of the fashioned technique of interior high pressure and specifically relates to a mould for producing tap is related to.

Background

The faucet is in great demand in the market as a connection unit with a tap water pipe. However, the existing process for producing the water faucet is mostly formed by a die-casting method or large-tonnage internal high-pressure equipment, and the equipment investment is large.

However, the process requires many subsequent steps to perfect the manufactured faucet, for example, the surface of the casting needs to be cleaned by shakeout, so as to prevent the faucet from being bonded with molding sand; the water gap needs to be cut off, so that water is convenient to flow; the surface of the casting needs to be polished smoothly, the influence of the particle protrusions on the use feeling is prevented, the process is complex, the consumed time is long, and the requirement of market production is not met. The large-tonnage internal high-voltage equipment can solve the problems, but has low efficiency and high energy consumption.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defects in the prior art, the utility model aims to provide a die for producing a faucet, which enables a pipe to be directly subjected to water expansion forming through an internal high pressure technology, can effectively prevent the complex manufacturing condition of the faucet and improve the production speed of products; the pressure required by the oil cylinder is reduced from 500 tons to 100 tons, the required energy consumption is greatly reduced, the power of the motor is reduced, and the service life of the motor is prolonged.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a die for producing a faucet comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die and an upper die base plate, the lower die assembly comprises a lower die base, a lower die, a fixing column, a guide column and a lower die base plate,

the upper die is fixedly connected with an upper die base plate, the lower die base is fixedly connected with a lower die base plate, the fixing column and the guide pillar are both placed in the lower die base, the upper die and the lower die are combined to form a die cavity, and the die cavity is in conduction connection with the lower die base.

By adopting the technical scheme, the pipe is placed in the lower die base, the upper die assembly and the lower die assembly are pressed and closed, the pipe is subjected to water expansion molding by conducted high-pressure liquid in the die cavity, the pipe is directly subjected to internal expansion molding, and production steps are reduced.

Preferably, the upper die is provided with an upper die core, the lower die is provided with a lower die core, and the upper die core and the lower die core jointly form a die cavity.

By adopting the technical scheme, the upper die and the lower die are hollowed, so that the pipe can be placed in the lower die core, and after the upper die and the lower die are combined, the pipe is placed in the closed die cavity for production and processing.

Preferably, the two ends of the die cavity are respectively connected with a fixing column and a guide pillar, a first runner is arranged inside the guide pillar, a second runner is arranged on the lower die base plate, and the first runner is communicated with the die cavity and the second runner.

Through adopting above-mentioned technical scheme, fixed column and guide pillar are used for propping against the tubular product both ends, and the high-pressure liquid of being convenient for circulates in tubular product inside, extrudes the tubular product shaping, and the guide pillar still is used for switching on high-pressure liquid.

Preferably, the water inlet of the die cavity is connected with the water outlet of the first flow channel, and the water inlet of the first flow channel is connected with the water outlet of the second flow channel.

By adopting the technical scheme, the second runner and the first runner are used as water inlet pipelines of the die cavity.

Preferably, one end of each fixing column and one end of each guide column, which face the upper die, are both hemispherical.

By adopting the technical scheme, the fixing columns and the guide pillars are convenient to better abut against the two ends of the pipe, and the pipe is convenient to water-swelling and molding.

Preferably, the fixing column and one end of the guide column facing the upper die are fixedly connected with the lower die base through a sealing gland, and the sealing gland is arranged in the lower die base and is flush with the end face of the lower die base facing the upper die.

Through adopting above-mentioned technical scheme, set up gland, prevent that fixed column and guide pillar are in the inside unstability of die holder, influence the mould and seal water or the fixed effect of tubular product.

Preferably, a through hole is formed in the sealing gland, and the diameter of an opening of the through hole facing the upper die is larger than that of an opening facing the lower die base plate.

By adopting the technical scheme, the opening of the through hole of the sealing gland facing to one end of the die cavity is larger, so that high-pressure liquid can conveniently flow in the die cavity, and the liquid pressure is kept; the through hole is smaller towards the opening of one end of the lower die base plate, so that high-pressure liquid does not flow downwards when the fixing column or the guide column is fixed on the lower die base.

Preferably, the end surface of the lower die holder facing the upper die is of a stepped structure, the end surface of the lower die holder where the guide pillar is located is lower than the end surface of the lower die holder where the fixing column is located, and the end surface of the upper die facing the lower die holder aligns with the lower die holder and is of a stepped structure.

Through adopting above-mentioned technical scheme, make mould and die holder more stable built-up connection, prevent to go up mould and die holder and be connected the dislocation or easily receive the swing, and then lead to going up the connection dislocation of mould and lower mould, influence the closure of die cavity, lead to tubular product production quality low.

Preferably, a correction seat is arranged at the joint of the upper die and the lower die seat.

Through adopting above-mentioned technical scheme, the correction seat is used for calibrating the connection of going up mould and die holder, prevents to go up mould and die holder dislocation combination, influences the tubular product shaping.

Preferably, the correction seat is arranged in the lower die and can slide along a correction cavity formed by the upper die, the lower die and the lower die seat.

By adopting the technical scheme, when the correcting seat is not used, the correcting seat can be hidden in the lower die; when the correcting seat is used, the correcting seat can be pushed out of the lower die, and the position of the upper die or the position of the lower die seat are finely adjusted, so that the upper die is correspondingly connected with the lower die.

To sum up, the beneficial effects of the utility model are that:

1. replaces the traditional die-casting die, reduces the production steps and improves the production speed.

2. The water seal is realized through a plurality of modes by the mould, so that the mould cavity is closed, and the water expansion forming can be quickly realized for the pipe.

3. The mould can be used for forming angles, bends or shapes which cannot be achieved before, and even can be used for forming bulges needing to expand products inside.

Drawings

FIG. 1 is a schematic cross-sectional structural view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the lower die holder and the sealing gland of the embodiment of the present invention;

FIG. 3 is a schematic structural view of an upper mold according to an embodiment of the present invention;

fig. 4 is a schematic view of a mold clamping structure according to an embodiment of the present invention.

Description of reference numerals:

11. an upper die; 111. an upper mold core; 12. an upper die base plate; 21. a lower die holder; 211. a lower mold core; 22. a lower die base plate; 221. a second flow channel; 3. fixing a column; 4. a guide post; 41. a first flow channel; 5. a mold cavity; 6. a sealing gland; 7. a correction seat; 71. correcting the cavity; 8. and (5) a lower die.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to fig. 1-4.

The utility model provides a mould for producing tap, as shown in figure 1, includes mould assembly and lower mould assembly, goes up mould assembly and includes mould 11 and last backing plate 12, and lower mould assembly includes die holder 21, lower mould 8, fixed column 3, guide pillar 4, gland 6 and lower backing plate 22, goes up mould 11 and lower mould 8 combination and is formed with die cavity 5.

As shown in fig. 1 to 2, an integrally formed lower mold 8 is arranged at the upper end of the lower mold base 21, the lower mold 8 is integrally protruded in a semi-cylindrical shape, the semi-circular surfaces are arranged in parallel along the long end surface of the lower mold base 21, a lower mold core 211 is arranged at the center of the lower mold 8, the lower mold core 211 is integrally provided with a groove, the cross section of the groove is semi-circular and arranged along the arc surface of the lower mold 8, and the lower mold core 211 is used for being matched with the upper mold 11 to form a mold cavity 5 and placing a pipe; the both sides of lower mold core 211 are connected with the arc surface of lower mould 8, and the junction sets up to the arc structure for with last mould 11 inside cooperation, make last mould 11 can be used for the direction when with the 8 lock of lower mould, and make and go up mould 11 and be connected stably with lower mould 8, prevent the dislocation.

The lower die base 21 is provided with 2 cylindrical cavities penetrating through the lower die base 21 in the vertical direction, the cavities are used for placing the fixed columns 3 and the guide pillars 4, and the upper ends of the fixed columns 3 and the upper ends of the guide pillars 4 are provided with sealing glands 6; the upper end surface of the sealing gland 6 is flush with the upper end surface of the lower die seat 21, and the sealing gland 6 is fixedly connected with the lower die seat 21 through an invaginated screw, so that the upper end surface of the lower die seat 21 is flat and convenient to be tightly connected with the upper die 11; the sealing gland 6 is provided with a through hole which conducts the upper end surface and the lower end surface of the sealing gland 6, the diameter of the upper end surface of the through hole is larger than that of the lower end surface, and the lower end surface of the through hole is used for being matched and fixed with the guide pillar 4 and the fixed column 3, so that the guide pillar 4 and the fixed column 3 can be firmly fixed in the lower die base 21 and cannot swing under the influence of high-pressure liquid; the upper end surface of the through hole is used for forming a pit on the sealing gland 6, guiding high-pressure liquid to flow back into the die cavity 5, keeping the pressure in the die cavity 5 and facilitating the forming of the pipe.

The lower ends of the fixed column 3 and the guide column 4 are cylindrical, so that the lower die base plate 22 can be abutted conveniently; the fixing column 3 and the guide pillar 4 are arranged to be hemispherical towards the upper die 11, and the fixing column 3 and the guide pillar 4 are integrally formed, so that the possibility of water leakage is reduced; a first flow passage 41 penetrating through the guide post 4 is arranged at the center of the inner part of the guide post 4, and the outflow port of the first flow passage 41 is communicated with the water inlet of the die cavity 5; the fixed column 3 and the guide post 4 are fixed in the lower die base 21 through a sealing gland 6 and a lower die backing plate 22.

The lower die base plate 22 is provided with a second flow passage 221, the lower die base 21 is fixedly connected with the lower die base plate 22 through threads, an outlet of the second flow passage 221 is aligned and communicated with an inlet of the first flow passage 41, an inlet of the second flow passage 221 is connected with external internal high-voltage equipment, and the lower die base plate 22 is fixedly connected with an operating platform.

As shown in fig. 1 and 3, an upper die 11 is fixedly connected with an upper die base plate 12 through an internal thread, the upper die base plate 12 is connected with an external oil cylinder, and the oil cylinder drives an upper die assembly to perform lifting motion relative to a lower die assembly; a cavity is arranged in the upper die 11, the cavity corresponds to the lower die 8, an upper die core 111 is arranged at the center in the cavity, the cross section of the upper die core 111 is also a semicircular groove, and the upper die core 111 is arranged along the upper cambered surface of the cavity; the two sides of the upper mold core 111 are matched with the lower mold 8 and are also in an arc structure; when the upper die 11 is combined and connected with the lower die base 21, the lower die 8 is matched and connected with the cavity, and the upper die core 111 and the lower die core 211 form a die cavity 5 for expanding and forming the pipe.

The correcting seat 7 is arranged at the joint of the upper die 11 and the lower die seat 21, the correcting seat 7 is a cuboid, the upper die 11 and the lower die seat 21 are provided with correcting grooves at the corresponding positions of the correcting seat 7, the correcting cavities 71 are formed after the upper die 11 and the lower die seat 21 are assembled, the correcting cavities 71 horizontally penetrate through the lower die 8, the correcting cavities 71 are matched with the correcting seat 7, the whole length of the correcting seat 7 is matched with the width of the cambered surface of the lower die 8, so that the correcting seat 7 is hidden in the correcting cavity 71 of the lower die 8 when not in use, and when the upper die 11 and the lower die seat 21 need to be corrected, the correcting seat 7 is pushed out, so that the correcting seat 7 is located in the correcting cavity 71 formed by the upper die 11 and the lower die seat 21, and the relative positions of the correcting seat 7 and the lower die seat 21 can be finely adjusted conveniently.

The upper die 11 and the lower die holder 21 are provided with a step-shaped structure at the joint, so that the upper die assembly and the lower die assembly are aligned when being matched, the die cavity 5 is accurately and quickly formed, and the deviation is not easy to occur; the junction of fixed column 3 and lower die holder 21 up end sets up at upper terminal surface, and the junction of guide pillar 4 and lower die holder 21 up end sets up at lower floor's terminal surface, reduces the length of runner 41, makes hydraulic loss reduce, and the upper terminal surface of lower die holder 21 sets up the gland 6 near guide pillar 4 department with the intersection of lower floor's terminal surface.

As another embodiment of the utility model, the gland 6 can not be arranged, so that the upper end surface of the lower die holder 21 is wholly smooth, the structure is simple, and the die is easy to manufacture.

As shown in FIG. 4, the upper die assembly and the lower die assembly are assembled, the whole outer surface of the die is simple and smooth, and the influence of external force friction on the die is reduced.

The working principle is as follows: the externally borrowed oil cylinder operates to drive the upper die assembly to integrally rise, the stainless steel pipe is placed into the lower die core 211, two ends of the stainless steel pipe are aligned with hemispheres of the fixing columns 3 and the guide pillars 4, the oil cylinder operates again to drive the upper die assembly to integrally descend, the upper die assembly is tightly attached to the lower die base 21, the upper die core 111 is aligned with the lower die core 211, the internal high-pressure equipment starts to introduce high-pressure liquid into the die, the high-pressure liquid flows into the stainless steel pipe through the second flow channel 221 of the lower die base plate 22 and the first flow channel 41 of the guide pillars 4, the stainless steel pipe is formed in the die cavity 5 by water swelling, the shape of the die cavity 5 is extruded, the internal high-pressure equipment stops introducing the high-pressure liquid, the oil cylinder continues to operate, the upper die assembly is taken up, the forming faucet is taken out, the stainless steel pipe is placed again, and production continues.

The die is matched with the oil cylinder and the inner high-pressure equipment, so that the pressure of the oil cylinder and the service power of the motor are reduced, and the loss of the motor and the oil cylinder caused by overlarge power and overhigh pressure is relieved.

The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mould for producing tap, includes mould assembly and lower mould assembly, its characterized in that: the upper die assembly comprises an upper die (11) and an upper die base plate (12), the lower die assembly comprises a lower die base (21), a lower die (8), a fixing column (3), a guide post (4) and a lower die base plate (22),

go up mould (11) fixedly connected with upper die backing plate (12), die holder (21) fixedly connected with lower die backing plate (22), fixed column (3) and guide pillar (4) all place in die holder (21), go up mould (11) and lower mould (8) combination and be formed with die cavity (5), die cavity (5) turn-on connection die holder (21).

2. The mold for producing a faucet according to claim 1, wherein: go up mould (11) and be provided with mold core (111) on, lower mould (8) are provided with lower mold core (211), go up mold core (111) and constitute die cavity (5) with lower mold core (211) jointly.

3. The mold for producing a faucet according to claim 1, wherein: the die comprises a die cavity (5) and is characterized in that two ends of the die cavity (5) are respectively connected with a fixing column (3) and a guide column (4), a first runner (41) is arranged inside the guide column (4), a second runner (221) is arranged on a lower die base plate (22), and the first runner (41) is communicated with the die cavity (5) and the second runner (221).

4. A mold for producing a faucet according to claim 3, wherein: and a water inlet of the die cavity (5) is connected with a water outlet of the first flow channel (41), and a water inlet of the first flow channel (41) is connected with a water outlet of the second flow channel (221).

5. The mold for producing a faucet according to claim 1, wherein: and one ends of the fixing column (3) and the guide column (4) facing the upper die (11) are both hemispherical.

6. The mold for producing the faucet of claim 1, wherein: one ends of the fixing columns (3) and the guide columns (4) facing the upper die (11) are fixedly connected with a lower die holder (21) through arranging sealing glands (6), and the sealing glands (6) are arranged in the lower die holder (21) and are flush with the end face, facing the upper die (11), of the lower die holder (21).

7. The mold for producing the faucet of claim 6, wherein: the sealing gland (6) is internally provided with a through hole, and the diameter of an opening of the through hole facing the upper die (11) is larger than that of an opening facing the lower die base plate (22).

8. The mold for producing the faucet of claim 1, wherein: the end face of the lower die holder (21) facing the upper die (11) is of a step-shaped structure, the end face of the lower die holder (21) where the guide post (4) is located is lower than the end face of the lower die holder (21) where the fixing post (3) is located, and the end face of the upper die (11) facing the lower die holder (21) is aligned with the lower die holder (21) and is of a step-shaped structure.

9. The mold for producing the faucet of claim 1, wherein: and a correcting seat (7) is arranged at the joint of the upper die (11) and the lower die seat (21).

10. The mold for producing a faucet of claim 9, wherein: the correction seat (7) is arranged in the lower die (8) and can slide along a correction cavity (71) formed by the upper die (11), the lower die (8) and the lower die seat (21).