CN219401934U - Deep drawing die for inner container of adjustable water heater - Google Patents

Abstract

A deep drawing die for an adjustable water heater liner relates to the technical field of drawing dies and comprises an upper die and a lower die. The lower mould include lower die bottom plate, die holder, protruding die holder, terrace die, blank holder seat, the die holder includes 4 lower die seat posts, 4 lower die seat posts encircle the even setting of blank holder seat, the top of lower die seat post is equipped with regulating plate, adjusting head, the regulating plate is circular cavity lamellar body, the top of lower die seat post is equipped with the recess, the lower tip of adjusting head is equipped with the bulge with recess matched with, the upper end of adjusting head is equipped with fastening bolt mounting groove, after placing the regulating plate of suitable quantity, place the adjusting head in lower die seat post upper end, fastening bolt passes the mounting groove and will adjust the head and be connected with the die holder post. The utility model can quickly and accurately adjust the gap between the blank holder and the female die through the adjusting piece, and the adjustment of the height does not influence the bearing capacity of the lower die holder, has simple structure, and is convenient for taking out the workpiece after deep drawing operation.

Description

Deep drawing die for inner container of adjustable water heater

Technical Field

The utility model relates to the technical field of stretching dies, in particular to a deep stretching die for an adjustable water heater liner.

Background

The stretching of the inner container of the water heater is to use hydraulic equipment or mechanical stamping equipment as power, and the plate-type metal material is deformed into a hollow cylinder or a special-shaped box-shaped part through a metal mold process, and the deep stretching technology is used. Deep drawing technology is very widely used in the production process, and deep drawing is applied to a plurality of industries. Such as home appliance manufacturing, liquefied gas cylinder, gas tank closure, automotive filter housing, machine muffler housing, etc.

The deep drawing adopts a stamping mode, a drawing die is needed, and the design of the drawing die directly influences the drawing efficiency and quality. At present, the similar moulds in the market have the following defects: firstly, the existing lower die holder is cylindrical, the requirement on machining precision is high, and after deep drawing operation, a workpiece is embedded into the lower die holder, so that the workpiece is inconvenient to take out; secondly, according to the difference of work piece, need guarantee that the clearance is invariable between blank holder and the die, consequently need adjust die holder height and realize the adjustment and the control to the clearance size of mould during operation, current mode is realized through changing the die holder of co-altitude, consequently needs a plurality of die holders, not only occupation space, and change the die holder moreover takes time and energy.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the deep drawing die for the inner container of the adjustable water heater, which can quickly and accurately adjust the gap between the blank holder and the female die through the adjusting piece, and the adjustment of the height does not influence the pressure bearing capacity of the lower die holder, has a simple structure, and is convenient for taking out a workpiece after the deep drawing operation.

In order to solve the problems, the utility model adopts the following technical scheme: an adjustable deep drawing die for a water heater liner is characterized by comprising an upper die and a lower die,

the lower die comprises a lower die bottom plate, a lower die holder, a convex die, a blank holder and a blank holder seat, wherein the lower die bottom plate is arranged on a lower workbench, the lower die holder is arranged on the lower die bottom plate, the blank holder is arranged on the blank holder seat, the blank holder seat is arranged on the lower die bottom plate, the blank holder and the blank holder seat are positioned in an inner hole of the lower die holder, the convex die is arranged on the convex die holder, the convex die and the convex die seat are arranged in the inner hole of the blank holder seat, the lower part of the convex die holder passes through a working hole to be connected with a bottom cylinder,

the lower die holder comprises 4 lower die holder columns, the 4 lower die holder columns are uniformly arranged around the blank holder seat, the top of the lower die holder column is provided with an adjusting sheet and an adjusting head, the adjusting sheet is a round hollow sheet body, the top of the lower die holder column is provided with a groove, the lower end part of the adjusting head is provided with a bulge matched with the groove, the upper end part of the adjusting head is provided with a fastening bolt mounting groove, after a proper number of adjusting sheets are placed, the adjusting head is placed at the upper end part of the lower die holder column, the fastening bolt penetrates through the mounting groove to connect the adjusting head with the lower die holder column,

the upper die comprises an upper die base, a material beating stripper plate, a female die protecting ring, a female die and a sealing ring, wherein the upper end face of the upper die base is connected with an upper workbench, the lower end face of an outer ring of the upper die base is in sealing connection with the upper end face of the female die protecting ring, the lower end face of an inner ring of the upper die base is in sealing connection with the upper end face of the female die, the material beating stripper plate is arranged at the lower part of the material beating base, the material beating stripper plate and the material beating base are positioned in an inner hole of the upper die base, and the upper part of the material beating base is connected with a material beating cylinder.

The beneficial effects of the utility model are as follows:

1. the utility model can quickly and accurately adjust the gap between the blank holder and the female die through the adjusting piece, and the adjustment of the height does not influence the bearing capacity of the lower die holder, has simple structure, and is convenient for taking out the workpiece after deep drawing operation.

2. The die holder comprises 4 lower die seat posts, the 4 lower die seat posts are uniformly arranged around the blank holder seat, the structural design enables the processing and the installation of the die holder to be more convenient, after deep drawing operation is carried out, the gaps between the lower die seat posts are convenient for the hand or tool to directly contact with a workpiece, and therefore the workpiece can be quickly taken out through the gaps between the lower die seat posts. And the processing and the installation of the lower die holder are more convenient

3. The top of lower die seat post is equipped with regulating plate, regulating head, and the regulating plate is circular cavity lamellar body, after placing the regulating plate of suitable quantity, places the regulating head in lower die seat post upper end, and fastening bolt passes the mounting groove and will regulate head and die holder post and be connected. The structure design enables the gap between the blank holder and the female die to be quickly and accurately adjusted by adjusting the number and the types of the adjusting pieces when the gap between the blank holder and the female die is required to be adjusted according to the machined workpiece, and after the die is installed, the pressure bearing capacity of the lower die holder cannot be reduced, so that the problem that the pressure bearing capacity of the lower die holder is weakened to influence the machining precision due to the fact that the height of the die holder is adjusted by adopting an adjusting bolt is solved. And the problems that a plurality of lower die holders occupy space and the processing cost is increased are avoided.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of the structure of the lower die of the present utility model;

FIG. 3 is an enlarged view of A in FIG. 1;

in the figure: the die comprises an upper die holder 1, a material beating seat 2, a material beating stripper plate 3, a female die protecting ring 4, a lower die holder post 5, an adjusting head 6, a fastening bolt 7, an adjusting piece 8, a water outlet 9, a lower die holder 10, a blank holder seat 11, a blank holder 12, a blank holder 121, a blank holder R arc 13, a male die 14 and a lower die bottom plate 15.

Detailed Description

As shown in fig. 1, 2 and 3, the deep drawing die for the inner container of the adjustable water heater comprises an upper die and a lower die.

The lower die comprises a lower die bottom plate 15, a lower die holder 10, a convex die holder 14, a convex die 13, a blank holder 12 and a blank holder seat 11, wherein the lower die bottom plate 15 is arranged on a lower workbench, the lower die holder 10 is arranged on the lower die bottom plate 15, the blank holder 12 is arranged on the blank holder seat 11, the blank holder seat 11 is arranged on the lower die bottom plate 15, the blank holder 12 and the blank holder seat 11 are positioned in an inner hole of the lower die holder 10, the convex die 13 is arranged on the convex die holder 14, the convex die 13 and the convex die holder 14 are arranged in an inner hole of the blank holder seat 11, and the lower part of the convex die holder 14 penetrates through a working hole to be connected with a bottom cylinder.

The die holder 10 includes 4 lower die seat posts 5,4 lower die seat posts 5 evenly set up around blank holder seat 11, the top of lower die seat post 5 is equipped with regulating plate 8, adjusting head 7, regulating plate 8 is circular cavity lamellar body, the top of lower die seat post 5 is equipped with recess 9, the lower tip of adjusting head 7 is equipped with the bulge with recess 9 matched with, the upper end of adjusting head 7 is equipped with the fastening bolt mounting groove, after placing suitable quantity of regulating plate 8, place adjusting head 7 in lower die seat post 5 upper end, fastening bolt 6 passes the mounting groove and is connected adjusting head 7 and lower die seat post 5.

The upper die comprises an upper die holder 1, a material beating base 2, a material beating stripper plate 3, a female die protection ring 4, a female die 16 and a sealing ring, wherein the upper end face of the upper die holder 1 is connected with an upper workbench, the lower end face of an outer ring of the upper die holder 1 is in sealing connection with the upper end face of the female die protection ring 4, the lower end face of an inner ring of the upper die holder 1 is in sealing connection with the upper end face of the female die 16, the material beating stripper plate 3 is arranged at the lower part of the material beating base, the material beating stripper plate 3 and the material beating base 2 are positioned in an inner hole of the upper die holder 1, and the upper part of the material beating base 1 is connected with a material beating cylinder.

The present utility model is not limited to the above-described embodiments only.

Claims (1)

1. An adjustable deep drawing die for a water heater liner is characterized by comprising an upper die and a lower die,

the lower die comprises a lower die bottom plate, a lower die holder, a convex die, a blank holder and a blank holder seat, wherein the lower die bottom plate is arranged on a lower workbench, the lower die holder is arranged on the lower die bottom plate, the blank holder is arranged on the blank holder seat, the blank holder seat is arranged on the lower die bottom plate, the blank holder and the blank holder seat are positioned in an inner hole of the lower die holder, the convex die is arranged on the convex die holder, the convex die and the convex die seat are arranged in the inner hole of the blank holder seat, the lower part of the convex die holder passes through a working hole to be connected with a bottom cylinder,

the lower die holder comprises 4 lower die holder columns, the 4 lower die holder columns are uniformly arranged around the blank holder seat, the top of the lower die holder column is provided with an adjusting sheet and an adjusting head, the adjusting sheet is a round hollow sheet body, the top of the lower die holder column is provided with a groove, the lower end part of the adjusting head is provided with a bulge matched with the groove, the upper end part of the adjusting head is provided with a fastening bolt mounting groove, after a proper number of adjusting sheets are placed, the adjusting head is placed at the upper end part of the lower die holder column, the fastening bolt penetrates through the mounting groove to connect the adjusting head with the lower die holder column,

the upper die comprises an upper die base, a material beating stripper plate, a female die protecting ring, a female die and a sealing ring, wherein the upper end face of the upper die base is connected with an upper workbench, the lower end face of an outer ring of the upper die base is in sealing connection with the upper end face of the female die protecting ring, the lower end face of an inner ring of the upper die base is in sealing connection with the upper end face of the female die, the material beating stripper plate is arranged at the lower part of the material beating base, the material beating stripper plate and the material beating base are positioned in an inner hole of the upper die base, and the upper part of the material beating base is connected with a material beating cylinder.