CN211331261U

CN211331261U - Metal casting demoulding auxiliary device

Info

Publication number: CN211331261U
Application number: CN201922306577.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangxi Hongda Casting Co ltd
Current assignee: Jiangxi Hongda Casting Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-25
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a metal casting technology field specifically is a metal casting drawing of patterns auxiliary device, place the ejector pin in the movable mould base in including, the movable mould base is equipped with the drive shaft by step motor drive, drive shaft key-type connection gear, and the rack in the gear, rack fixed connection translation board, the both ends of translation board all are equipped with the track, the sloping block under the translation board fixed connection, the sloping block top is equipped with the sloping block down, the inclined plane of sloping block is identical with the inclined plane of last sloping block down, the sloping block is equipped with the dog down, the dog is with the vertical lateral wall looks butt of last sloping block, go up sloping block fixed connection cover seat, the ejector pin is cup jointed to the cover seat, movable mould base fixed connection uide bushing, uide bushing and ejector pin sliding fit. The beneficial effects are that: the utility model discloses the novel structure, simple structure adopts the ejecting foundry goods of step motor driven mode drive ejector pin, improves drawing of patterns efficiency, and the ejecting foundry goods distance of ejector pin is controllable, goes up mould and demolishs of lower mould when being convenient for the drawing of patterns, has improved the convenience of drawing of patterns operation.

Description

Metal casting demoulding auxiliary device

Technical Field

The utility model relates to a metal casting technology technical field specifically is a metal casting drawing of patterns auxiliary device.

Background

The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the die, the die is provided with a movable cavity surface, and the molten metal is pressurized and forged along with the cooling process of the molten metal, so that the defects of shrinkage cavity and shrinkage porosity of a blank are eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, and the comprehensive mechanical property of the blank can be obviously improved. The die casting mold used is called a die casting mold.

After the traditional die-casting die finishes die-casting, a demoulding mechanism is generally manually operated to enable a plastic part to be separated, manual demoulding can be divided into two types of manual in-die pushing and manual out-die pushing, the die-casting die is suitable for the conditions of simple structure and small yield of metal castings, and the manual demoulding efficiency is low, so that a metal casting demoulding auxiliary device is necessary to be designed to improve the metal casting demoulding efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal casting drawing of patterns auxiliary device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal casting drawing of patterns auxiliary device, places the ejector pin in the movable mould base in including, the movable mould base is equipped with the rectangle cavity, be equipped with the drive shaft by step motor drive in the rectangle cavity, drive shaft key-type connection gear, in the gear and the rack, rack fixed connection translation board, the both ends of translation board all are equipped with the track, track sliding fit translation board, skew block under the translation board fixed connection, skew block top is equipped with the sloping block down, and the inclined plane of sloping block is identical with the inclined plane of last skew block down, and the sloping block is equipped with the dog down, the dog is with the vertical lateral wall looks butt of last skew block, go up skew block fixed connection cover seat, the ejector pin is cup jointed to the cover seat, movable mould base fixed connection uide bushing, uide bushing and ejector pin sliding fit.

Preferably, the movable die holder is provided with a thrust bearing, the thrust bearing is in transition fit with the driving shaft, and the driving shaft is driven to rotate by the stepping motor after extending out of the movable die holder.

Preferably, orbital vertical cross-section is "C" font, and the track top is equipped with the breach, and this breach can hold down the sloping block and pass through, and the track inner wall coating has self-lubricating wearing layer.

Preferably, two support plates are arranged below the rail, the rail is connected with a first angle steel through a bolt, the first angle steel is connected with the support plates through a bolt, the support plates are connected with a second angle steel through a bolt, and the second angle steel is connected with the movable die holder through a bolt.

Preferably, the stop block is welded on an inclined surface of the lower inclined block, and an included angle between the inclined surface of the lower inclined block and a horizontal plane is fifteen degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses novel structure, simple structure adopts step motor driven mode drive ejector pin ejecting foundry goods, improves drawing of patterns efficiency, and ejector pin ejecting foundry goods distance is controllable, and the convenience of drawing of patterns operation has been improved to the demolition of mould and lower mould when being convenient for the drawing of patterns;

2. the top of the track is provided with a notch, and the lower inclined block on the translation plate can pass through the track by utilizing the notch, so that the installation process between the track and the translation plate is simplified, and the installation, disassembly and maintenance processes of the device are simple and convenient;

3. the lower inclined block is provided with a stop block, the stop block initially restrains the position of the upper inclined block, and the upper inclined block is prevented from slipping from the lower inclined block when the translation plate is installed on the rail.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a schematic structural view of the middle rail and the supporting plate of the present invention.

In the figure: the device comprises a movable die holder 1, a driving shaft 2, a gear 3, a rack 4, a translation plate 5, a track 6, a lower inclined block 7, an upper inclined block 8, a sleeve seat 9, a mandril 10, a guide sleeve 11, a bearing plate 12, a first angle steel 13, a second angle steel 14 and a stop block 15.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a metal casting drawing of patterns auxiliary device, places ejector pin 10 in movable mould base 1 in including, movable mould base 1 is equipped with the rectangle cavity, is equipped with drive shaft 2 in the rectangle cavity, and movable mould base 1 is equipped with thrust bearing, this thrust bearing interference fit bearing frame, and bearing frame bolted connection movable mould base 1, thrust bearing transition fit drive shaft 2, drive shaft 2 stretch out movable mould base 1 after by step motor drive rotation through the chain gear. 2 key-type connections gears 3 of drive shaft, 3 interior and rack 4 of gear, 4 fixed connection translation boards 5 of rack, the both ends of translation board 5 all are equipped with

track

6, and 6 sliding fit translation boards 5 of track have the self-lubricating wearing layer through the coating at 6 inner walls of track, reduce the frictional resistance between track 6 and the translation board 5. The translation plate 5 is connected with a lower inclined block 7 through a bolt, an upper inclined block 8 is arranged above the lower inclined block 7,

as shown in fig. 3, two support plates 12 are arranged below the rail 6, the rail 6 is connected with a first angle steel 13 through a bolt, the first angle steel 13 is connected with the support plates 12 through a bolt, the support plates 12 are connected with a second angle steel 14 through a bolt, and the second angle steel 14 is connected with the movable die holder 1 through a bolt. The vertical cross-section of track 6 is "C" font, and 6 tops of track are equipped with the breach, and this breach can hold down sloping block 7 and pass through, so, install earlier track 6 and bearing plate 12 earlier the back, will descend sloping block 7 bolted connection translation board 5 again, utilize the breach, can pass track 6 with the lower sloping block 7 on the translation board 5, simplify the installation between track 6 and the translation board 5, install, dismantle, maintain simple and convenient.

The inclined plane of the lower inclined block 7 is matched with the inclined plane of the upper inclined block 8, and the included angle between the inclined plane of the lower inclined block 7 and the horizontal plane is fifteen degrees. The stop block 15 is abutted against the vertical side wall of the upper inclined block 8, the upper inclined block 8 is in bolted connection with the sleeve seat 9, the sleeve seat 9 is sleeved with the ejector rod 10, the movable die holder 1 is fixedly connected with the guide sleeve 11, and the guide sleeve 11 is in sliding fit with the ejector rod 10. The lower oblique block 7 is provided with a stop block 15, the stop block 15 is welded on the inclined plane of the lower oblique block 7, the stop block 15 initially restrains the position of the upper oblique block 8, and the upper oblique block 8 is prevented from slipping off from the lower oblique block 7 when the translation plate 5 is installed on the track 6. When the upper inclined block 8 reaches the lower part of the designated mandril 10, the mandril 10 can extend into the sleeve seat 9 on the upper inclined block 8.

The working principle is as follows: and (3) turning on a stepping motor, driving the driving shaft 2 to rotate by the stepping motor, and horizontally moving the translation plate 5 along with the rack 4 through gear and rack transmission. The rotating speed and the stopping position of the stepping motor can be controlled by controlling the frequency and the pulse number of the electric pulse signal input into the stepping motor, so that the moving distance of the translation plate 5 can be controlled after the frequency and the pulse number of the electric pulse signal of the stepping motor are determined. As shown in fig. 2, when the translation plate 5 moves rightwards, the lower inclined block 7 pushes the upper inclined block 8 to move upwards along with the movement of the translation plate to move rightwards, so that the upper inclined block 8 pushes the ejector rod 10 to extend out of the movable die holder 1, and a casting on the movable die holder 1 is ejected out, thereby realizing rapid demoulding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal casting drawing of patterns auxiliary device, places ejector pin (10) in movable die base (1) in including, its characterized in that: the movable die holder (1) is provided with a rectangular cavity, a driving shaft (2) driven by a stepping motor is arranged in the rectangular cavity, the driving shaft (2) is in key connection with a gear (3), the gear (3) is internally provided with a rack (4), the rack (4) is fixedly connected with a translation plate (5), two ends of the translation plate (5) are respectively provided with a track (6), the track (6) is in sliding fit with the translation plate (5), the translation plate (5) is fixedly connected with a lower inclined block (7), an upper inclined block (8) is arranged above the lower inclined block (7), the inclined plane of the lower inclined block (7) is matched with the inclined plane of the upper inclined block (8), a stop block (15) is arranged on the lower inclined block (7), the stop block (15) is abutted against the vertical side wall of the upper inclined block (8), the upper inclined block (8) is fixedly connected with a sleeve seat (9), the sleeve seat (9) is sleeved with an ejector rod (10), the movable die holder (1) is fixedly, the guide sleeve (11) is in sliding fit with the ejector rod (10).

2. A metal casting demolding aid as claimed in claim 1, wherein: the movable die holder (1) is provided with a thrust bearing, the thrust bearing is in transition fit with the driving shaft (2), and the driving shaft (2) is driven to rotate by the stepping motor after extending out of the movable die holder (1).

3. A metal casting demolding aid as claimed in claim 1, wherein: the vertical cross-section of track (6) is "C" font, and track (6) top is equipped with the breach, and sloping block (7) pass through under this breach can hold, and track (6) inner wall coating has self-lubricating wearing layer.

4. A metal casting demolding aid as claimed in claim 1, wherein: two supporting plates (12) are arranged below the rail (6), the rail (6) is connected with first angle steel (13) through bolts, the first angle steel (13) is connected with the supporting plates (12) through bolts, the supporting plates (12) are connected with second angle steel (14) through bolts, and the second angle steel (14) is connected with the movable die holder (1) through bolts.

5. A metal casting demolding aid as claimed in claim 1, wherein: the check block (15) is welded on the inclined surface of the lower inclined block (7), and the included angle between the inclined surface of the lower inclined block (7) and the horizontal plane is fifteen degrees.