CN211515601U - Back extrusion die for crystallizer manufacturing - Google Patents

Abstract

The utility model belongs to the field of dies, in particular to a backward extrusion die for crystallizer manufacture, which has high requirements on manufacturing equipment aiming at the prior backward extrusion die, high production and manufacturing cost and low strength of formed products, thereby bringing inconvenience to subsequent use, and the utility model provides a scheme which comprises an upper base plate and a lower base plate, wherein the upper base plate is positioned above the lower base plate, the bottom of the upper base plate is fixedly provided with a punch connecting seat, the bottom of the punch connecting seat is fixedly provided with a screw rod, the bottom of the screw rod is in threaded connection with a punch, the top of the upper base plate is fixedly provided with two symmetrically arranged material pushing outer cylinders, and the top of the material pushing outer cylinder is in sliding connection with an inner sleeve; the utility model discloses a backward extrusion die body production simple structure, design structure is ingenious simultaneously, and low in production cost is convenient for carry out the reducing and subtract wall backward extrusion to the crystallizer machined part, has stronger practicality.

Description

Back extrusion die for crystallizer manufacturing

Technical Field

The utility model relates to the technical field of mold, especially, relate to a backward extrusion mould for crystallizer is made.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

The existing back extrusion die has very high requirements on manufacturing equipment, high production and manufacturing cost and low strength of a formed product, and further brings inconvenience to subsequent use, so that the back extrusion die for manufacturing the crystallizer is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the requirement of the backward extrusion die for manufacturing equipment in the prior art is very high, the manufacturing cost is high, the formed product has low strength, and then inconvenient defects are brought to subsequent use, therefore, the backward extrusion die for manufacturing the crystallizer is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a backward extrusion die for manufacturing a crystallizer comprises an upper bottom plate and a lower bottom plate, wherein the upper bottom plate is positioned above the lower bottom plate, the bottom of the upper bottom plate is fixedly provided with a punch connecting seat, the bottom of the punch connecting seat is fixedly provided with a screw rod, the bottom of the screw is in threaded connection with a punch, the top of the upper bottom plate is fixedly provided with two symmetrically arranged pushing outer cylinders, the top of each pushing outer cylinder is in sliding connection with an inner sleeve, and the top of the two inner sleeves is fixedly provided with the same combined material pushing plate, the punch connecting seat penetrates through the combined material pushing plate and is connected with the combined material pushing plate in a sliding way, the inner sleeve and the pushing outer cylinder are matched with each other to be provided with a buffering and limiting component, the middle position of the top of the lower bottom plate is provided with a jacking plate, the fixed cover in the outside of liftout plate is equipped with the concave membrane, fixed mounting has the ejector pin on the intermediate position of lower plate.

Preferably, threaded connection has two first interior angle screws that the symmetry set up on the upper plate, the outside cover of first interior angle screw is equipped with first packing ring, and the bottom of two first interior angle screws extends to in the upper plate and with upper plate threaded connection, utilizes first interior angle screw to be convenient for dismantle the drift connecting seat.

Preferably, a lower sealing cover of the pushing outer cylinder is fixedly installed on the inner wall of the bottom of the pushing outer cylinder, a lower core rod of a pushing spring is fixedly installed on the inner wall of the bottom of the pushing outer cylinder, a spring is sleeved on the outer side of the lower core rod of the pushing spring, the bottom of the spring is fixedly connected with the inner wall of the bottom of the pushing outer cylinder, the top of the spring extends into the inner sleeve and is fixedly connected with the inner wall of the top of the inner sleeve, the spring is deformed in the downward moving process of the combined material pushing plate, and when the combined material pushing plate withdraws the external force, the combined material pushing plate can be reset under the reset elastic force.

Preferably, the top of the upper base plate is attached with a pressing ring, the pressing ring is connected with a bolt in a threaded manner, a second gasket is sleeved on the outer side of the bolt, and the bottom of the bolt extends into the lower base plate and is connected with the lower base plate in a threaded manner.

Preferably, the lower base plate and the pressing ring are clamped by the same positioning pin, a second inner hexagonal bolt is connected to the lower base plate in a threaded mode, and the top of the second inner hexagonal bolt extends into the pressing ring and is connected with the second pressing ring in a threaded mode.

The utility model discloses in, forge the crystallizer machined part into boss formula structure, place the crystallizer machined part at the top of lower plate this moment, then utilize outside power equipment to promote the upper plate and move downwards, and the process that moves down can extrude the spring, the spring just can be deformed and hold power this moment, and the in-process that the upper plate moved down can drive the drift and move down, therefore utilize the drift can realize reducing the footpath and subtract the wall backward extrusion to the crystallizer machined part, after the punching press finishes, alright with the external force to the upper plate of withdrawal, can make the upper plate reset under the elasticity that resets of spring.

The utility model discloses in, utilize the screw rod to be convenient for make a round trip to change the different models of drift according to the processing requirement, easy operation is convenient.

The utility model discloses in, utilize first socket head cap screw and first packing ring to be convenient for dismantle the drift connecting seat, the convenience is maintained the change to follow-up drift connecting seat.

The utility model discloses a backward extrusion die body production simple structure, design structure is ingenious simultaneously, and low in production cost is convenient for carry out the reducing and subtract wall backward extrusion to the crystallizer machined part, has stronger practicality.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a backward extrusion mold for manufacturing a crystallizer according to the present invention;

fig. 2 is a schematic cross-sectional view of a backward extrusion mold for mold manufacturing according to the present invention in fig. 1;

fig. 3 is a schematic front view of a backward extrusion mold for mold manufacturing according to the present invention, shown in fig. 1.

In the figure: the punch press comprises a first inner hexagon screw 1, a first gasket 2, an upper base plate 3, a combined material pushing plate 4, a punch connecting seat 5, a screw rod 6, a punch 7, a material pushing outer cylinder 8, a concave film 9, a bolt 10, a second gasket 11, a pressing ring 12, a lower base plate 13, a positioning pin 14, a material pushing plate 15, a push rod 16, a spring 17, a material pushing outer cylinder upper sealing plate 18, a material pushing spring lower core rod 19, a material pushing outer cylinder lower sealing cover 20, a second inner hexagon screw 21 and an inner sleeve 22.

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.

Example one

Referring to fig. 1-3, a backward extrusion die for crystallizer manufacture comprises an upper base plate 3 and a lower base plate 13, wherein the upper base plate 3 is positioned above the lower base plate 13, a punch connecting seat 5 is fixedly arranged at the bottom of the upper base plate 3, a screw rod 6 is fixedly arranged at the bottom of the punch connecting seat 5, a punch 7 is in threaded connection with the bottom of the screw rod 6, two symmetrically arranged pushing outer cylinders 8 are fixedly arranged at the top of the upper base plate 3, an inner sleeve 22 is slidably connected with the top of the pushing outer cylinder 8, the top of the two inner sleeves 22 is fixedly provided with a same combined pushing plate 4, the punch connecting seat 5 penetrates through the combined pushing plate 4 and is slidably connected with the combined pushing plate 4, the inner sleeve 22 and the pushing outer cylinder 8 are provided with a buffer limiting component in a matching way, an ejector plate 15 is arranged at the middle position of the, a top rod 16 is fixedly arranged at the middle position of the lower bottom plate 13.

Example two

The upper bottom plate 3 is in threaded connection with two first inner angle screws 1 which are symmetrically arranged, a first gasket 2 is sleeved on the outer side of each first inner angle screw 1, the bottoms of the two first inner angle screws 1 extend into the upper bottom plate 3 and are in threaded connection with the upper bottom plate 3, and the first inner angle screws 1 are used for facilitating the disassembly of the punch connecting seat 5; a lower sealing cover 20 of the pushing outer cylinder is fixedly arranged on the inner wall of the bottom of the pushing outer cylinder 8, a lower core rod 19 of a pushing spring is fixedly arranged on the inner wall of the bottom of the pushing outer cylinder 8, a spring 17 is sleeved on the outer side of the lower core rod 19 of the pushing spring, the bottom of the spring 17 is fixedly connected with the inner wall of the bottom of the pushing outer cylinder 8, the top of the spring 17 extends into the inner sleeve 22 and is fixedly connected with the inner wall of the top of the inner sleeve 22, the spring 17 can deform in the process of downward movement of the combined pushing plate 4, and when the combined pushing plate 4 withdraws the external force, the combined pushing plate 4 can be reset under the; a pressing ring 12 is attached to the top of the upper base plate 3, a bolt 10 is connected to the pressing ring 12 in a threaded mode, a second gasket 11 is sleeved on the outer side of the bolt 10, and the bottom of the bolt 10 extends into the lower base plate 13 and is connected with the lower base plate 13 in a threaded mode; the lower base plate 13 and the pressing ring 12 are clamped with the same positioning pin 14, a second inner hexagonal bolt 21 is connected to the lower base plate 13 in a threaded mode, and the top of the second inner hexagonal bolt 21 extends into the pressing ring 12 and is connected with the second pressing ring 12 in a threaded mode.

The utility model discloses in, forge the crystallizer machined part into boss formula structure, place the crystallizer machined part at the top of lower plate 13 this moment, then utilize outside power equipment to promote upper plate 3 and move downwards, and the process that moves down can extrude spring 17, spring 17 just can be out of shape and hold power this moment, and the in-process that upper plate 3 moved down can drive drift 7 and move down, therefore utilize drift 7 can realize reducing the footpath to the crystallizer machined part and subtract wall backward extrusion, the punching press finishes after, alright with the external force to upper plate 3 in order to cancel, can make upper plate 3 reset under spring 17's the elasticity that resets.

The utility model discloses in, utilize screw rod 6 to be convenient for to make a round trip to change easy operation convenience according to the different models of processing requirement to drift 7.

The utility model discloses in, utilize first socket head cap screw 1 and first packing ring 2 to be convenient for dismantle drift connecting seat 5, the convenience is maintained change follow-up drift connecting seat 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a backward extrusion mould for crystallizer is made, includes upper plate (3) and lower plate (13), its characterized in that, upper plate (3) are located the top of lower plate (13), the bottom fixed mounting of upper plate (3) has drift connecting seat (5), the bottom fixed mounting of drift connecting seat (5) has screw rod (6), the bottom threaded connection of screw rod (6) has drift (7), the top fixed mounting of upper plate (3) has two that the symmetry set up to push away material urceolus (8), the top sliding connection who pushes away material urceolus (8) has inner skleeve (22), and the top fixed mounting of two inner skleeve (22) has same combination scraping wings (4), drift connecting seat (5) run through combination scraping wings (4) and with combination scraping wings (4) sliding connection, inner skleeve (22) and the spacing subassembly of the buffering that pushes away material urceolus (8) and cooperate and be provided with, the die is characterized in that an ejector plate (15) is arranged in the middle of the top of the lower bottom plate (13), a concave film (9) is fixedly sleeved on the outer side of the ejector plate (15), and an ejector rod (16) is fixedly mounted in the middle of the lower bottom plate (13).

2. The backward extrusion die for crystallizer manufacture as claimed in claim 1, wherein two first inner angle screws (1) are connected to the upper bottom plate (3) in a threaded manner, the first inner angle screws (1) are symmetrically arranged, a first gasket (2) is sleeved outside the first inner angle screws (1), and the bottoms of the two first inner angle screws (1) extend into the upper bottom plate (3) and are connected with the upper bottom plate (3) in a threaded manner.

3. The backward extrusion die for crystallizer manufacture as claimed in claim 1, wherein a lower cover (20) of the pushing outer cylinder is fixedly installed on the bottom inner wall of the pushing outer cylinder (8), a lower core rod (19) of the pushing spring is fixedly installed on the bottom inner wall of the pushing outer cylinder (8), a spring (17) is sleeved on the outer side of the lower core rod (19) of the pushing spring, the bottom of the spring (17) is fixedly connected with the bottom inner wall of the pushing outer cylinder (8), and the top of the spring (17) extends into the inner sleeve (22) and is fixedly connected with the top inner wall of the inner sleeve (22).

4. The backward extrusion die for crystallizer manufacture as claimed in claim 1, wherein a pressing ring (12) is attached to the top of the upper bottom plate (3), a bolt (10) is connected to the pressing ring (12) in a threaded manner, a second washer (11) is sleeved on the outer side of the bolt (10), and the bottom of the bolt (10) extends into the lower bottom plate (13) and is connected with the lower bottom plate (13) in a threaded manner.

5. The backward extrusion die for crystallizer manufacture as set forth in claim 1, wherein the lower base plate (13) and the pressing ring (12) are clamped with the same positioning pin (14), a second socket head cap screw (21) is connected to the lower base plate (13) in a threaded manner, and the top of the second socket head cap screw (21) extends into the pressing ring (12) and is connected with the second pressing ring (12) in a threaded manner.

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