CN215063745U

CN215063745U - Bottom sand discharging system

Info

Publication number: CN215063745U
Application number: CN202120977138.2U
Authority: CN
Inventors: 张延波; 徐拥军
Original assignee: NANJING CHANGJIANG INDUSTRIAL FURNACE TECHNOLOGY CO LTD
Current assignee: NANJING CHANGJIANG INDUSTRIAL FURNACE TECHNOLOGY CO LTD
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-07
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a stove bottom sand discharging system, including the stove body, the inner chamber bottom of stove body has the guide slope, the bottom on guide slope is equipped with a stove bottom sand discharging pipe, the bottom outside of stove bottom sand discharging pipe is equipped with a support edge, be equipped with a balanced pivot on the support edge, the one end of balanced pivot is fixed and is equipped with a hinged joint, one side of hinged joint is equipped with one and can closes the sealed board of stirring that stove bottom sand discharging pipe bottom, thereby the sand grain of gathering to stove bottom sand discharging pipe bottom can fall on sealed stirring board, the opposite side of hinged joint is equipped with a stirring board counter weight, form the lever structure with balanced pivot as the fulcrum between stirring board counter weight, sealed stirring board, the hinged joint, when the sand grain weight on the sealed stirring board is greater than the stirring board counter weight, sealed stirring board breaks away from stove bottom sand discharging pipe bottom thereby the sand grain is discharged; when the weight of sand particles on the sealed sand-turning plate is less than the balance weight of the sand-turning plate, the sealed sand-turning plate covers the bottom end of the sand-discharging pipe at the bottom of the furnace. The utility model has the advantage of automatic sand discharging at the furnace bottom.

Description

Bottom sand discharging system

Technical Field

The utility model relates to an industrial furnace heat treatment technical field especially relates to a stove bottom sand discharging system.

Background

The manifold is one of important component parts in an automobile power system, and the surface processing quality of the manifold determines the safety and reliability of the automobile power system; in the existing surface processing technology of the manifold, one of the key processes is to carry out heat treatment on the manifold by using an industrial furnace, and the result directly determines whether the manifold can meet the use requirement. When an industrial furnace is used for heat treatment, workpiece sand which falls off at high temperature can be continuously discharged from a hot work die in the inner cavity of the furnace body, the accumulation of the workpiece sand is excessive, and the quality of the heat treatment can be directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem mentioned in the background art and providing a furnace bottom sand discharge system, which has the advantage of no need of manual work for periodic sand discharge treatment.

In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:

a furnace bottom sand discharge system comprises a furnace body, wherein a guide slope is arranged at the bottom of an inner cavity of the furnace body, a furnace bottom sand discharge pipe is arranged at the bottom end of the guide slope, and sand grains discharged from the inner cavity of the furnace body can be accumulated to the bottom end of the furnace bottom sand discharge pipe along the guide slope; a supporting edge is arranged on the outer side of the bottom end of the furnace bottom sand discharge pipe, a balance rotating shaft is arranged on the supporting edge, a hinge seat is fixedly arranged at one end of the balance rotating shaft, a sealed sand-turning plate capable of covering the bottom end of the furnace bottom sand discharge pipe is arranged on one side of the hinge seat, so that sand accumulated at the bottom end of the furnace bottom sand discharge pipe can fall onto the sealed sand-turning plate, a sand-turning plate counterweight is arranged on the other side of the hinge seat, a lever structure taking the balance rotating shaft as a fulcrum is formed among the sand-turning plate counterweight, the sealed sand-turning plate and the hinge seat, and when the weight of the sand on the sealed sand-turning plate is larger than that of the sand-turning plate counterweight, the sealed sand-turning plate is separated from the bottom end of the sand discharge pipe so as to discharge the sand; when the weight of sand particles on the sealed sand-turning plate is less than the balance weight of the sand-turning plate, the sealed sand-turning plate covers the bottom end of the sand discharge pipe at the bottom of the furnace so as to keep the bottom of the furnace body sealed.

Further, a hot work die for heat treatment is installed in the inner cavity of the furnace body, an opening is formed in the bottom of the hot work die, and sand grains can be discharged from the opening in the bottom of the hot work die during heat treatment.

Furthermore, a fixed rod with a certain length is arranged on one side of the hinged seat, and the sand-casting plate counterweight is fixed on the outer side of the end part of the fixed rod.

Further, the support edge is a support steel frame detachably connected to the bottom end of the sand discharge pipe at the bottom of the furnace through threads, and the balance rotating shaft is connected to the support steel frame through a rotating shaft hole.

Further, the bottom of stove bottom sand discharge pipe is equipped with ring type seal, the top of sealed board that turns over sand is equipped with and seals the assorted annular seal groove, through the cooperation of sealing washer and seal groove realizes closely closing the bottom of stove bottom sand discharge pipe.

Furthermore, a sand receiving trolley is arranged below the furnace bottom sand discharge pipe, and sand grains discharged from the furnace bottom sand discharge pipe are collected through the sand receiving trolley.

Furthermore, the hinged seat is a rhombic rotating seat and is provided with bilaterally symmetrical connecting ends, one of the connecting ends is connected with the fixing rod, and the other connecting end is fixedly connected with the sealed sand-casting plate.

The utility model has the advantages of it is following:

1. this sand discharge system is through setting up the guide slope bottom the stove body, stove bottom sand discharge pipe, the discharged sand grain can be gathered to stove bottom sand discharge pipe bottom along the guide slope in the stove body inner chamber, set up balanced pivot through supporting along, articulated seat is fixed in the one end of balanced pivot, the sand-turning plate counter weight, constitute lever mechanism between sealed sand-turning plate and the articulated seat, it can realize according to the weight of gathering the sand grain, the bottom that sealed sand-turning plate lid closed or throw off stove bottom sand discharge pipe is controlled, thereby realize automatic sand discharge, practice thrift the relevant technology cost of sand discharge processing.

2. The bottom end of the sand discharge pipe at the bottom of the furnace is provided with the sealing ring, the sealing sand-turning plate is provided with the sealing groove matched with the sealing ring, and the bottom end of the sand discharge pipe at the bottom of the furnace can be tightly covered by the sealing sand-turning plate through the matching of the sealing ring and the sealing groove.

3. This sand discharge system sets up one in the below of stove bottom sand discharge pipe and connects the sand dolly, and the sand grain of discharging can directly fall into to connect the sand dolly in the sand discharge pipe from the stove bottom to subsequent transportation and processing are convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

The label names in the figure: the device comprises workpiece sand 1, a guide slope 2, a furnace bottom sand discharge pipe 21, a sealed sand-turning plate 3, a supporting edge 31, a balance rotating shaft 4, a hinged seat 41, a sand-turning plate counterweight 5, a fixed rod 51, a sand-receiving trolley 6 and a sealing ring 7.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some, but not all embodiments of the invention.

As shown in fig. 1 to 3, the furnace bottom sand discharge system of the present embodiment includes a furnace body, a hot work die for heat treatment is installed in an inner cavity of the furnace body, an opening is provided at the bottom of the hot work die, and workpiece sand 1 can be discharged from the bottom opening of the hot work die.

In this embodiment, the bottom of the inner cavity of the furnace body is provided with a guide slope 2, the bottom end of the guide slope 2 is provided with a furnace bottom sand drain pipe 21, the workpiece sand 1 discharged from the hot work die can reach the furnace bottom along the guide slope 2 and the accumulated workpiece sand 1 can be discharged outside the furnace body from the furnace bottom sand drain pipe 21.

As shown in fig. 2-3, a supporting edge 31 is fixedly arranged on the outer side of the bottom end of the furnace bottom sand discharge pipe 21, a balance rotating shaft 4 is arranged on the supporting edge 31, a hinged seat 41 is fixedly arranged at one end of the balance rotating shaft 4, a sealing sand-turning plate 3 capable of covering the bottom end of the furnace bottom sand discharge pipe 21 is fixedly arranged on one side of the hinged seat 41, so that the workpiece sand 1 accumulated on the furnace bottom can fall onto the sealing sand-turning plate 3 through the furnace bottom sand discharge pipe 21, a sand-turning plate counterweight 5 is fixedly arranged on the other side of the hinged seat 41, the sand-turning plate counterweight 5 can form a lever structure with the balance rotating shaft 4 as a pivot with the sealing sand-turning plate 3 and the hinged seat 41, and when the weight of the workpiece sand 1 on the sealing sand-turning plate 3 is greater than that of the sand-turning plate counterweight 5, the sealing sand-turning plate 3 is separated from the bottom end of the furnace bottom sand discharge pipe 21 so as to discharge the workpiece sand 1; when the weight of the workpiece sand 1 on the sealed sand-turning plate 3 is less than that of the sand-turning plate counterweight 5, the sealed sand-turning plate 3 covers the bottom end of the furnace bottom sand discharge pipe 21 so as to keep the furnace body sealed.

Wherein, one side of the hinged seat 41 is provided with a fixed rod 51 with a certain length, and the sand-casting plate counterweight 5 is fixed at the outer side of the end part of the fixed rod 51.

Wherein, support reason 31 for through screw thread detachably connect in the support steelframe of stove bottom sand discharge pipe 21 bottom, balanced pivot 4 is connected on supporting the steelframe through the pivot hole.

Further, the bottom end of the furnace bottom sand discharge pipe 21 is provided with an annular sealing ring 7, the top of the sealed sand-turning plate 3 is provided with an annular sealing groove matched with the sealing ring 7, and the bottom end of the furnace bottom sand discharge pipe 21 is tightly covered through the matching of the sealing ring 7 and the sealing groove.

Furthermore, a sand receiving trolley 6 is arranged below the sand discharge pipe 21 at the bottom of the furnace, and the discharged workpiece sand 1 is collected by the sand receiving trolley 6 so as to be convenient for subsequent treatment.

Further, the hinged seat 41 is a rhombic rotating seat having bilaterally symmetrical connecting ends, one of which is connected with the fixing rod 51 and the other of which is fixedly connected with the sealed sanding plate 3.

The utility model discloses the theory of use as follows: in the process of carrying out heat treatment on a workpiece by using the furnace body, workpiece sand 1 is gradually accumulated at the bottom of the furnace body through the guide slope 2, the sealed sanding plate 3 bears the weight of the accumulated workpiece sand 1, and when the weight of the accumulated workpiece sand 1 is greater than the sanding plate counterweight 5, the sealed sanding plate 3 opens the bottom end of the furnace bottom sand discharge pipe 21, so that the workpiece sand 1 leaks out to the sand receiving trolley 6; when the weight of accumulated workpiece sand 1 is gradually less than the weight of the sand-turning plate counterweight 5, the sealed sand-turning plate 3 covers the bottom end of the furnace bottom sand discharge pipe 21, thereby preventing the temperature in the furnace from losing.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. A furnace bottom sand discharge system comprises a furnace body, wherein a guide slope (2) is arranged at the bottom of an inner cavity of the furnace body, a furnace bottom sand discharge pipe (21) is arranged at the bottom end of the guide slope (2), and sand grains discharged from the inner cavity of the furnace body can be accumulated to the bottom end of the furnace bottom sand discharge pipe (21) along the guide slope (2); the method is characterized in that: a supporting edge (31) is arranged on the outer side of the bottom end of the furnace bottom sand discharge pipe (21), a balance rotating shaft (4) is arranged on the supporting edge (31), one end of the balance rotating shaft (4) is fixedly provided with a hinged seat (41), one side of the hinged seat (41) is provided with a sealing sand-turning plate (3) which can cover the bottom end of the sand-discharging pipe (21) at the bottom of the furnace, so that the sand accumulated to the bottom end of the sand discharge pipe (21) at the bottom of the furnace can fall onto the sealed sand-turning plate (3), a sand-casting plate counterweight (5) is arranged on the other side of the hinged seat (41), a lever structure taking the balance rotating shaft (4) as a fulcrum is formed among the sand-casting plate counterweight (5), the sealed sand-casting plate (3) and the hinged seat (41), when the sand weight on the sealed sanding plate (3) is larger than the counterweight (5) of the sanding plate, the sealed sand-turning plate (3) is separated from the bottom end of the furnace bottom sand discharge pipe (21) so as to discharge sand; when the weight of sand particles on the sealed sand-turning plate (3) is less than that of the sand-turning plate counterweight (5), the sealed sand-turning plate (3) covers the bottom end of the furnace bottom sand discharge pipe (21) so as to keep the bottom of the furnace body sealed.

2. The bottom-mounted sand discharge system as claimed in claim 1, wherein: the inner cavity of the furnace body is internally provided with a hot work die for heat treatment, the bottom of the hot work die is provided with an opening, and sand grains can be discharged from the opening at the bottom of the hot work die during heat treatment.

3. The bottom-mounted sand discharge system as claimed in claim 2, wherein: a fixing rod (51) with a certain length is arranged on one side of the hinged seat (41), and the sand-turning plate counterweight (5) is fixed on the outer side of the end part of the fixing rod (51).

4. The bottom-mounted sand discharge system as claimed in claim 3, wherein: the supporting edge (31) is a supporting steel frame detachably connected to the bottom end of the sand discharge pipe (21) at the bottom of the furnace through threads, and the balance rotating shaft (4) is connected to the supporting steel frame through a rotating shaft hole.

5. The bottom sand discharge system according to any one of claims 1 to 3, wherein: the bottom of stove bottom sand drain pipe (21) is equipped with ring packing (7), the top of sealed board (3) that turns over is equipped with sealing washer (7) assorted annular seal groove, through the bottom of inseparable lid closed stove bottom sand drain pipe (21) is realized with the cooperation of seal groove in sealing washer (7).

6. The hearth drain system according to any one of claims 1 to 4, wherein: a sand receiving trolley (6) is further arranged below the furnace bottom sand discharge pipe (21), and sand grains discharged from the furnace bottom sand discharge pipe (21) are collected through the sand receiving trolley (6).

7. The bottom-mounted sand discharge system as claimed in claim 6, wherein: the hinged seat (41) is a rhombic rotating seat and is provided with bilaterally symmetrical connecting ends, one of the connecting ends is connected with the fixing rod (51), and the other connecting end is fixedly connected with the sealed sanding plate (3).