CN211161818U

CN211161818U - Upper core pressing device of centrifugal pipe casting machine

Info

Publication number: CN211161818U
Application number: CN201921382525.0U
Authority: CN
Inventors: 徐砚琛
Original assignee: Hangzhou Chunfeng Mechanical Engineering Co ltd
Current assignee: Hangzhou Chunfeng Mechanical Engineering Co ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-08-04
Anticipated expiration: 2029-08-24

Abstract

The utility model relates to a last core closing device of centrifugal pipe casting machine belongs to the mechanical equipment field. The utility model discloses an upper core compresses tightly the support, and its structural feature lies in: the core pressing device is characterized by further comprising an upper core pressing main shaft, an upper core pressing shaft sleeve, an upper core pressing driving arm, an upper core pressing swing arm and an upper core pressing core frame, wherein the upper core pressing main shaft is installed on an upper core pressing support, the upper core pressing shaft sleeve is sleeved on the upper core pressing main shaft, one end of the upper core pressing driving arm and one end of the upper core pressing swing arm are both connected with the upper core pressing shaft sleeve, and the upper core pressing core frame is connected with the other end of the upper core pressing swing arm. The core feeding compressing device of the centrifugal pipe casting machine can realize automatic core feeding, and the sand core can be compressed after the core feeding is finished, so that the investment of labor cost is reduced.

Description

Upper core pressing device of centrifugal pipe casting machine

Technical Field

The utility model relates to a last core closing device of centrifugal pipe casting machine belongs to the mechanical equipment field.

Background

The female end of the pipe die needs to be plugged by the sand core in the processing process of the nodular cast iron pipe so as to prevent the used molten iron from flowing out during pouring, the sand core is placed at the female end of the pipe die through manual work in the prior art, automatic core feeding cannot be realized, the manual operation efficiency is low, the working strength is high, and the safety coefficient is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, be applicable to the pipe diameter and add man-hour for pipe fitting below 400mm, can realize going up the core and compressing tightly the last core closing device of centrifugal pipe casting machine of function.

The utility model provides a technical scheme that above-mentioned problem adopted is: this last core closing device of centrifugal pipe casting machine compresses tightly the support including last core, and its structural feature lies in: the core pressing device is characterized by further comprising an upper core pressing main shaft, an upper core pressing shaft sleeve, an upper core pressing driving arm, an upper core pressing swing arm and an upper core pressing core frame, wherein the upper core pressing main shaft is installed on an upper core pressing support, the upper core pressing shaft sleeve is sleeved on the upper core pressing main shaft, one end of the upper core pressing driving arm and one end of the upper core pressing swing arm are both connected with the upper core pressing shaft sleeve, and the upper core pressing core frame is connected with the other end of the upper core pressing swing arm. The core feeding compressing device of the centrifugal pipe casting machine can realize automatic core feeding, and the sand core can be compressed after the core feeding is finished, so that the investment of labor cost is reduced.

Furthermore, the upper core pressing device further comprises an upper core pressing oil cylinder, and a piston rod of the upper core pressing oil cylinder is hinged with the other end of the upper core pressing driving arm. The core feeding pressing oil cylinder is used for switching the core feeding pressing core frame between the core taking station and the core feeding station and pressing the sand core.

Furthermore, an included angle exists between the upper core pressing driving arm and the upper core pressing swing arm.

Furthermore, the upper core pressing device further comprises an upper core pressing proximity switch and an upper core pressing proximity support, the upper core pressing proximity switch is installed on the upper core pressing support, the upper core pressing proximity support is installed on the upper core pressing main shaft, and the upper core pressing proximity switch is matched with the upper core pressing proximity support. Through the cooperation of the upper core pressing approach switch and the upper core pressing approach bracket, the core pressing position or the core position of the upper core pressing frame is judged.

Further, the number of the upper core pressing proximity switches is two, and the two upper core pressing proximity switches are respectively installed on the coring station and the upper core station.

Further, the distance between the two upper core pressing proximity switches and the upper core pressing main shaft is equal.

Further, the upper core pressing support is installed on the centrifugal main machine.

Further, a cylinder barrel of the upper core pressing oil cylinder is rotatably arranged on the upper core pressing support.

Furthermore, an upper core pressing protective cover is installed on the upper core pressing support.

Further, the upper core pressing proximity switch is located in the upper core pressing protective cover.

Compared with the prior art, the utility model has the advantages of it is following: the automatic core feeding can be realized through the core feeding compressing device of the centrifugal pipe casting machine, the sand core can be compressed after the core feeding is completed, the investment of manpower cost is reduced, the core feeding compressing oil cylinder drives the core feeding compressing driving arm to swing along the core feeding compressing main shaft, the core feeding compressing swinging arm drives the core feeding compressing core frame to swing, the sand core can be placed on the core feeding compressing core frame when the core feeding compressing core frame swings to the core taking station, the upper core on the core feeding compressing core frame can be installed at the socket end of the pipe die when the core feeding compressing core frame swings to the core feeding station, the core feeding compressing core frame can be specifically judged to be at the core taking station or the core feeding station according to the upper core compressing proximity switch and the upper core compressing proximity support matching in the swinging process of the core feeding compressing core frame, the safety factor is improved, and the working efficiency is ensured.

Drawings

Fig. 1 is a schematic top view of an upper core pressing device according to an embodiment of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure D-D in fig. 1.

Description of reference numerals: the device comprises an upper core pressing support 131, an upper core pressing oil cylinder 132, an upper core pressing main shaft 133, an upper core pressing shaft sleeve 134, an upper core pressing driving arm 135, an upper core pressing swing arm 136, an upper core pressing core frame 137, an upper core pressing proximity switch 138, an upper core pressing proximity support 139 and an upper core pressing protective cover 1390.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 2, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.

The upper core pressing device of the centrifugal tube casting machine in the embodiment comprises an upper core pressing support 131, an upper core pressing oil cylinder 132, an upper core pressing main shaft 133, an upper core pressing shaft sleeve 134, an upper core pressing driving arm 135, an upper core pressing swing arm 136, an upper core pressing core frame 137, an upper core pressing proximity switch 138 and an upper core pressing proximity support 139, wherein an upper core pressing protective cover 1390 is installed on the upper core pressing support 131, and the upper core pressing proximity switch 138 is located in the upper core pressing protective cover 1390.

An upper core pressing main shaft 133 in this embodiment is installed on an upper core pressing support 131, an upper core pressing shaft sleeve 134 is sleeved on the upper core pressing main shaft 133, one end of an upper core pressing driving arm 135 and one end of an upper core pressing swing arm 136 are both connected with the upper core pressing shaft sleeve 134, an included angle exists between the upper core pressing driving arm 135 and the upper core pressing swing arm 136, an upper core pressing core frame 137 is connected with the other end of the upper core pressing swing arm 136, a piston rod of an upper core pressing oil cylinder 132 is hinged with the other end of the upper core pressing driving arm 135, a cylinder barrel of the upper core pressing oil cylinder 132 is rotatably installed on the upper core pressing support 131, and the upper core pressing support 131 is installed on a centrifugal host.

The upper core pressing proximity switch 138 in this embodiment is installed on the upper core pressing support 131, the upper core pressing proximity support 139 is installed on the upper core pressing main shaft 133, the upper core pressing proximity switch 138 is matched with the upper core pressing proximity support 139, the number of the upper core pressing proximity switches 138 is two, the two upper core pressing proximity switches 138 are respectively installed on a coring station and an upper core station, and the distance between the two upper core pressing proximity switches 138 and the upper core pressing main shaft 133 is equal.

Specifically, the upper core pressing device of the centrifugal pipe casting machine drives the upper core pressing driving arm 135 to swing along the upper core pressing main shaft 133 through the upper core pressing oil cylinder 132, so that the upper core pressing swing arm 136 drives the upper core pressing core frame 137 to swing, a sand core can be placed on the upper core pressing core frame 137 when the upper core pressing core frame 137 swings to a core taking station, an upper core on the upper core pressing core frame 137 can be installed at the socket end of a pipe die when the upper core pressing core frame 137 swings to the core taking station, and the upper core pressing core frame 137 can be specifically judged to be in the core taking station or the core taking station according to the matching of the upper core pressing approach switch 138 and the upper core pressing approach frame 139 in the swinging process of the upper core pressing core frame 137.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an upper core closing device of centrifugal pipe casting machine, includes that the upper core compresses tightly support (131), its characterized in that: the core pressing mechanism is characterized by further comprising an upper core pressing main shaft (133), an upper core pressing shaft sleeve (134), an upper core pressing driving arm (135), an upper core pressing swing arm (136) and an upper core pressing core frame (137), wherein the upper core pressing main shaft (133) is installed on an upper core pressing support (131), the upper core pressing shaft sleeve (134) is sleeved on the upper core pressing main shaft (133), one end of the upper core pressing driving arm (135) and one end of the upper core pressing swing arm (136) are both connected with the upper core pressing shaft sleeve (134), and the upper core pressing core frame (137) is connected with the other end of the upper core pressing swing arm (136).

2. The upper core pressing device of the centrifugal tube-casting machine according to claim 1, characterized in that: the upper core pressing device further comprises an upper core pressing oil cylinder (132), and a piston rod of the upper core pressing oil cylinder (132) is hinged to the other end of the upper core pressing driving arm (135).

3. The upper core pressing device of the centrifugal tube-casting machine according to claim 1, characterized in that: the upper core pressing driving arm (135) and the upper core pressing swing arm (136) form an included angle.

4. The upper core pressing device of the centrifugal tube-casting machine according to claim 1, characterized in that: the upper core pressing device further comprises an upper core pressing proximity switch (138) and an upper core pressing proximity support (139), the upper core pressing proximity switch (138) is installed on the upper core pressing support (131), the upper core pressing proximity support (139) is installed on the upper core pressing main shaft (133), and the upper core pressing proximity switch (138) is matched with the upper core pressing proximity support (139).

5. The upper core pressing device of the centrifugal tube-casting machine according to claim 4, wherein: the number of the upper core pressing proximity switches (138) is two, and the two upper core pressing proximity switches (138) are respectively arranged at a coring station and an upper core station.

6. The upper core pressing device of the centrifugal tube-casting machine according to claim 5, wherein: the distance between the two upper core pressing proximity switches (138) and the upper core pressing main shaft (133) is equal.

7. The upper core pressing device of the centrifugal tube-casting machine according to claim 1, characterized in that: the upper core pressing support (131) is arranged on the centrifugal main machine.

8. The upper core pressing device of the centrifugal tube-casting machine according to claim 2, wherein: and a cylinder barrel of the upper core pressing oil cylinder (132) is rotatably arranged on the upper core pressing support (131).

9. The upper core pressing device of the centrifugal tube-casting machine according to claim 4, wherein: an upper core pressing protective cover (1390) is arranged on the upper core pressing support (131).

10. The upper core pressing device of the centrifugal tube-casting machine according to claim 9, wherein: the upper core compression proximity switch (138) is located within an upper core compression shield (1390).