CN219598054U - Detachable discharging cylinder and die casting machine - Google Patents

Abstract

The utility model relates to the technical field of die casting machines, and discloses a detachable discharge cylinder and a die casting machine, wherein the detachable discharge cylinder comprises: the side wall of the charging barrel body is provided with a charging hole, and a mounting notch is arranged at a position opposite to the charging hole; the sealing plate is the same as the mounting notch in shape, is detachably connected to the mounting notch and forms a cylindrical structure with the charging barrel body. The detachable discharging cylinder is applied to the die casting machine, and when the sealing plates opposite to the feeding hole are damaged, the detachable discharging cylinder can be detached and replaced timely and quickly, so that the die casting machine cannot stop for a long time, and the working efficiency of the die casting machine can be improved to a certain extent.

Description

Detachable discharging cylinder and die casting machine

Technical Field

The utility model relates to the technical field of die casting machines, in particular to a detachable charging barrel and a die casting machine.

Background

The charging barrel is a core part in an injection chamber of the die casting machine, and the charging barrel mainly has the functions of being matched with an injection punch to convey high-temperature metal liquid into a die cavity so as to finish the forming of castings. At present, the charging barrels of the die casting machine are all integrally designed and manufactured. The inner wall of the barrel, especially the position of the barrel opposite to the feed inlet, is washed by high-temperature metal liquid and needs to be rubbed with the injection punch. In this case, after using tens of thousands of dies, the die casting machine barrel often suffers from the problem of failure such as pitting, abrasion, peeling, etc. of the pouring port in the inner wall, and needs to be replaced or maintained periodically. However, the disassembly and replacement or maintenance of the cartridge can interrupt the continuity of production for a long time, destroy the stability of the product, and are time-consuming and laborious. In particular, as die casting machine tonnage increases, the corresponding barrel increases in size and weight. For example, a 6000 ton die casting machine may have a barrel diameter of several hundred millimeters, a length meter, and a weight of several hundred kilograms. The large-sized charging barrel also brings a series of production and maintenance problems, such as inconvenient installation, maintenance and disassembly, insufficient heat treatment hardenability, large residual internal stress and the like. In addition, the large-scale feed cylinder formed foundry goods is bigger, and the casting volume of molten metal is bigger, and the scouring force is stronger, and the casting temperature is higher, can lead to the life of feed cylinder to drop sharply.

Disclosure of Invention

The utility model is made to solve the technical problems, and aims to provide a detachable discharge cylinder and a die casting machine, wherein the vulnerable position of the discharge cylinder can be detached from a main body, so that the discharge cylinder is convenient to maintain quickly, and the die casting machine can not be stopped for a long time.

To achieve the above object, in one aspect, the present utility model provides a detachable cartridge comprising: the side wall of the charging barrel body is provided with a charging hole, and a mounting notch is arranged at a position opposite to the charging hole; the sealing plate is the same as the mounting notch in shape, is detachably connected to the mounting notch and forms a cylindrical structure with the charging barrel body.

Preferably, a first bolt hole which is recessed inwards is formed in the side wall of the mounting notch, which is opposite to the sealing plate; the sealing plate is provided with a second bolt hole which is opposite to the first bolt hole and penetrates through the sealing plate; the charging barrel further comprises fastening bolts arranged in the first bolt holes and the second bolt holes.

Preferably, the opposite side walls of the sealing plate and the mounting notch are provided with inwards concave positioning holes; the charging barrel further comprises a positioning pin inserted into the positioning hole.

Preferably, the cross section of the sealing plate is in a sector ring shape, and the degree of the central angle is 60-240 degrees.

Preferably, a sealing groove is formed in the side wall, opposite to the mounting notch, of the sealing plate, and a sealing strip is embedded in the sealing groove.

Preferably, the sealing groove comprises an arc-shaped groove arranged on the bottom surface of the mounting notch and a strip-shaped groove arranged on the side end surface of the sealing plate; the sealing strip comprises an arc sealing strip and a long straight sealing strip.

Preferably, a heat preservation hole through which the mold temperature oil flows is formed in the plate body of the sealing plate.

Preferably, the heat insulation hole is in a U-shaped structure.

Preferably, the degree of the central angle of the sealing plate is 180 °.

In order to achieve the above object, in another aspect, the present utility model provides a die casting machine comprising: a removable cartridge as described above.

According to the description and practice, the detachable discharging cylinder can only detach and replace the sealing plate if the high-temperature materials and the injection punch head damage the sealing plate area in the long-term use process. Compared with the replacement of the whole charging barrel, the disassembly process is simpler and quicker, and the cost can be obviously reduced. After the sealing plate is applied to the die casting machine, when the sealing plate is damaged, the sealing plate can be disassembled and replaced timely and quickly, so that the die casting machine cannot stop for a long time, and the working efficiency of the die casting machine can be improved to a certain extent.

Drawings

Fig. 1 is a schematic view of a removable cartridge according to an embodiment of the present utility model.

Fig. 2a and 2b are schematic views of an exploded construction of a removable cartridge according to an embodiment of the present utility model from two different perspectives.

The reference numerals in the figures are:

1. a cartridge body; 11. a feed inlet; 12. a mounting notch; 2. a sealing plate; 31. a positioning pin; 32. positioning holes; 41. sealing grooves; 42. a sealing strip; 51. a heat preservation hole; 52. processing the via hole; 61. a first bolt hole; 62. a second bolt hole; 63. and (5) fastening a bolt.

Detailed Description

Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. In the present disclosure, the terms "comprising," "including," "having," "disposed in" and "having" are intended to be open-ended and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and the like, are used merely as labels, and do not limit the number or order of their objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this embodiment a removable cartridge is disclosed, the three-dimensional structure of which is shown in fig. 1, and the exploded structure of which is shown in fig. 2a and 2b at two different viewing angles. Referring to fig. 1 to 2b, the removable cartridge comprises a cartridge body 1 and a closure plate 2 removably attached thereto.

One end of the charging barrel body 1 is a port connected with a die cavity, the other end of the charging barrel body is a port connected with an injection punch, and a charging port 11 is arranged on the side wall and used for pouring materials. A mounting notch 12 is provided at a position of the cartridge body 1 opposite to the inlet 11 for mounting the sealing plate 2. The shape of the sealing plate 2 is the same as that of the mounting notch 12, and the sealing plate is detachably connected to the mounting notch 12 and forms a cylindrical structure with the cartridge body 1. The barrel structure formed by connecting the charging barrel body 1 and the sealing plate 2 is similar to the barrel shape of a traditional die casting machine, and in use, materials are poured in from the charging opening 11 and then pressed into a die cavity by the injection punch. In the long-term use process, if high-temperature materials and injection punches damage the area of the sealing plate 2, the sealing plate 2 can be only detached to replace the sealing plate 2. Compared with the replacement of the whole charging barrel, the disassembly process is simpler and quicker, and the cost can be obviously reduced.

In this embodiment, the sealing plate 2 is detachably connected to the cartridge body 1 by bolts. Referring to fig. 2a and 2b in detail, a first bolt hole 61 is formed in the side wall of the mounting notch 12 opposite to the sealing plate 2, the first bolt hole 61 is opened at one end only, and threads are formed in the first bolt hole 61; the second bolt hole 62 opposite to the first bolt hole 61 and penetrating the sealing plate 2 is arranged on the side end face of the sealing plate 2, one end of the second bolt hole 62 faces the first bolt hole 61, the other end faces the outer side of the sealing plate 2, in other words, the second bolt hole 62 cannot enter the inside of the charging barrel, and good sealing performance between the sealing plate 2 and the charging barrel body 1 is guaranteed. The fastening bolts 63 can pass through the second bolt holes 62 from the outside of the sealing plate 2 into the first bolt holes 61, thereby firmly mounting the sealing plate 2 on the cartridge body 1. For the case that the second bolt hole 62 is deeper, a hexagon socket type fastening bolt 63 can be selected to facilitate screwing the second bolt hole into the bolt hole. Furthermore, in other embodiments, the sealing plate 2 may be detachably connected to the cartridge body 1 by using a connection device such as a clip, a buckle, or the like.

In this embodiment, positioning holes 32 are formed in the facing side walls of the sealing plate 2 and the mounting notch 12 so as to be recessed inward, and positioning pins 31 are inserted into the positioning holes 32. When the sealing plate 2 and the charging barrel body 1 are assembled together, one end of the positioning pin 31 is inserted into the positioning hole 32 on the sealing plate 2 or the mounting notch 12, then when the sealing plate 2 is close to the mounting notch 12, the other end of the positioning pin 31 is inserted into the positioning hole 32 on the mounting notch 12 or the sealing plate 2, the sealing plate 2 and the charging barrel body 1 can be quickly combined together, at the moment, the positions of the first bolt hole 61 and the second bolt hole 62 are opposite, the mounting of the fastening bolt 63 is facilitated, and the assembly speed of the sealing plate 2 and the charging barrel body 1 can be improved.

In this embodiment, the cylinder body 1 and the sealing plate 2 may form a cylindrical structure, which is convenient for connection with a die casting machine and pressing in materials. Correspondingly, the cross section of the sealing plate 2 is in a sector ring shape, and the degree of the central angle is 60-240 degrees. In this embodiment, the degree of the central angle is 180 °, i.e. a semicircular structure, at this time, the sealing plate 2 is relatively easy to connect with the barrel body 1, and the sealing plate 2 has a larger area to receive the poured high-temperature material. In addition, the degree of the central angle can be changed according to actual demands, for example, when other devices are arranged around the charging barrel, the degree can be changed, and then the directions of the two rows of bolt holes are changed, so that the user can conveniently change the sealing plate 2.

In addition, a sealing groove 41 is further formed in the opposite side walls of the sealing plate 2 and the mounting notch 12, and a sealing strip 42 is embedded in the sealing groove 41, so that sealing performance between the sealing plate 2 and the cylinder body 1 can be enhanced. Referring specifically to fig. 2a and 2b, in this embodiment, the sealing groove 41 includes an arc-shaped groove formed on the bottom surface of the mounting notch 12 and a strip-shaped groove formed on the side end surface of the sealing plate 2, and the sealing strip 42 includes an arc-shaped sealing strip and an elongated straight sealing strip, so that the sealing effect can be enhanced on three contact surfaces of the sealing plate 2 and the cartridge body 1. Since the high temperature material always flows through the charging barrel, the sealing strip 42 is preferably made of soft and high temperature resistant materials, such as copper, high temperature resistant rubber and the like, and has longer service life while ensuring the sealing effect. In this embodiment, a sealing groove 41 is provided on each of the sealing plate 2 and the mounting notch 12, so as to facilitate assembling the sealing strip 42 and the sealing plate 2. In other embodiments, the seal grooves 41 may be provided in the seal plate 2 and/or the mounting notch 12, and the sealing effect described above may be achieved.

In addition, a heat insulation hole 51 through which the mold temperature oil can flow is provided in the plate body of the sealing plate 2. As shown in the figure, the outer side wall of the sealing plate is provided with an inlet and an outlet of the heat insulation hole 51, and when in use, the mold temperature oil with preset temperature enters from the inlet and flows out from the outlet, so that the sealing plate 2 can be maintained at constant temperature. When high-temperature materials are poured in, the sealing plate 2 does not have larger temperature difference change, so that the service life of the sealing plate 2 can be prolonged; meanwhile, the high-temperature materials cannot be rapidly cooled, and the stable quality of the die-casting finished product is ensured.

Further, in this embodiment, the thermal insulation hole 51 has a U-shaped structure, which is composed of two long straight holes parallel to the central axis of the cartridge and one processed through hole 52 perpendicular to the central axis of the cartridge. The processing via 51 passes through the two long straight holes, thereby communicating the two. This structure facilitates the manufacture of the heat-insulating holes 51 in the closing plate 2. It should be noted that after the processing via hole 52 is manufactured and the two long straight holes are communicated, both ends of the processing via hole 52 need to be plugged, so that the two long straight holes form a U-shaped heat preservation hole 51, and the mold temperature oil is ensured not to leak when in use.

In addition, still disclose a die casting machine in this embodiment, this die casting machine has contained foretell can dismantle the feed cylinder, in long-term use, if the shrouding position appears damaging, can in time, change it fast, make the die casting machine can not shut down too long, can improve the work efficiency of die casting machine to a certain extent.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A removable cartridge comprising:

the side wall of the charging barrel body is provided with a charging hole, and a mounting notch is arranged at a position opposite to the charging hole;

the sealing plate is the same as the mounting notch in shape, is detachably connected to the mounting notch and forms a cylindrical structure with the charging barrel body.

2. The removable cartridge of claim 1,

the side wall of the mounting notch, which is opposite to the sealing plate, is provided with a first bolt hole which is recessed inwards;

the sealing plate is provided with a second bolt hole which is opposite to the first bolt hole and penetrates through the sealing plate;

the charging barrel further comprises fastening bolts arranged in the first bolt holes and the second bolt holes.

3. The removable cartridge of claim 1,

the opposite side walls of the sealing plate and the mounting notch are provided with inwards concave positioning holes;

the charging barrel further comprises a positioning pin inserted into the positioning hole.

4. A removable cartridge as claimed in any one of claims 1 to 3,

the cross section of the sealing plate is in a sector ring shape, and the degree of the central angle of the sealing plate is 60-240 degrees.

5. The removable cartridge of claim 4,

the sealing plate and the opposite side wall of the mounting notch are provided with sealing grooves, and sealing strips are embedded in the sealing grooves.

6. The removable cartridge of claim 5,

the sealing groove comprises an arc-shaped groove arranged on the bottom surface of the mounting notch and a strip-shaped groove arranged on the side end surface of the sealing plate;

the sealing strip comprises an arc sealing strip and a long straight sealing strip.

7. The removable cartridge of claim 1,

and heat preservation holes through which the mold temperature oil flows are formed in the plate body of the sealing plate.

8. The removable cartridge of claim 7,

the heat preservation hole is of a U-shaped structure.

9. The removable cartridge of claim 4,

the degree of the central angle of the sealing plate is 180 degrees.

10. A die casting machine, comprising:

a removable cartridge according to any one of claims 1 to 9.