Lower sand shooting box of molding machine
By designing a lower sand injection box suitable for bottom sand injection, the combination of boiling box and connecting box and guide plate structure is used to convert boiling sand particles from horizontal to vertical upward movement, which solves the problem that existing equipment is not suitable for bottom sand injection using the combination of boiling box and connecting box and the guide plate structure. The problem of improving the quality of the sand type.
Patent Information
- Application Number
- CN202420793467.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The existing pressurized boiling sand injection equipment is not suitable for sand injection from the bottom, resulting in poor sand injection effect. An under-sand injection box suitable for sand injection at the bottom is urgently needed.
A shaping machine is designed. By combining the boiling box and the connecting box, the slope guide plate and the arc-shaped guide plate are used to convert the boiling sand particles from horizontal to vertical upward movement, and then pass through the sand plate. The sand inlet hole enters the lower sand box.
It achieves better filling of the mold with sand particles, reduces blind spots and gaps, and improves the quality of the sand type.
Smart Images
Figure CN222448161U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of molding machines, in particular to a lower shooting sand box of a molding machine. Background Art
[0002] Using a sand shooting box to pressurize boiling sand shooting is an important step in preparing sand molds. The sand shooting box to pressurize boiling sand shooting can achieve high-speed and continuous sand mold production and improve production efficiency. Through pressurized boiling sand shooting, the sand material can be boiled during the sand shooting process, thereby achieving uniform distribution and tight compaction of the sand material to obtain a sand mold with stable quality. The sand mold structure is highly complex: the sand shooting box to pressurize boiling sand shooting can prepare sand molds of various complex shapes, which is suitable for applications that require precise molds. Compared with traditional manual sand making, the sand shooting box to pressurize boiling sand shooting can reduce the waste of sand and energy consumption, and has better environmental protection and energy-saving effects.
[0003] The sand shooting box is a device used to hold sand and molds, and the pressurization system is responsible for providing pressure to make the sand boil. During the sand shooting process, the sand box is first inverted, and then pressure is applied through the pressurization system to make the sand boil during the sand shooting process, thereby achieving uniform distribution and tight compaction of the sand. Finally, the mold is placed on the sand box to complete the preparation of the sand mold.
[0004] The equipment required for sand box pressurized boiling sand shooting is relatively complex, including sand shooting box, pressurization system, control system, etc. Traditional sand shooting equipment shoots sand from the side of the sand box. Existing pressurized boiling sand shooting equipment is not suitable for sand shooting from the bottom. In order to ensure the sand shooting effect, a new type of bottom shooting sand box suitable for bottom sand shooting is urgently needed on the market. Utility Model Content
[0005] In view of the above problems, the utility model aims to provide a lower shooting sand box of a molding machine which can effectively guide sand particles to enter the lower sand box from below for sand shooting operation.
[0006] To achieve the technical purpose, the solution of the utility model is: a lower shot sand box of a molding machine, comprising a boiling box and a connecting box, a sand feeding mechanism is arranged on the top of the boiling box, a first connecting channel is arranged on one side of the bottom of the boiling box, the boiling box is connected with a second connecting channel on one side of the bottom of the connecting box through the first connecting channel and is fixed by a flange, and a sand feeding plate with a sand feeding hole is arranged on the top of the connecting box;
[0007] Boiling plates are arranged around the inner walls of the boiling box and the connecting box, and an air guide channel connected to the boiling plates is also arranged on the outer sides of the boiling box and the connecting box, and the air guide channel is connected to the pressurized air pump; the boiling box includes a main chamber located at the top and a guide chamber located at the bottom, the main chamber is a columnar cavity structure, the vertical section of the guide chamber is a trapezoidal structure, and an inclined slope guide plate is arranged at a position opposite to the first connecting channel; the connecting box includes a connecting chamber and an arc-shaped guide plate, and the arc-shaped guide plate is arranged at a position opposite to the second connecting channel.
[0008] Preferably, a plurality of square air guide windows are provided on the boiling plate, and the air guide windows are covered with a breathable mesh. The pressurized gas output by the pressurized air pump is transported to each air guide window through an air guide channel and then enters the boiling box or the connecting box.
[0009] Preferably, the sand feeding mechanism comprises a sand feeding funnel, a control cylinder, a support frame and a partition. The sand feeding funnel is installed on the top of the support frame, the control cylinder is installed on one side of the support frame, the partition is installed in the support frame, and the control cylinder can drive the partition to move horizontally.
[0010] Preferably, the air guide channel includes a connecting pipe, a transverse channel and a vertical channel, and adjacent transverse channels are connected via the connecting pipe or the vertical channel.
[0011] Preferably, more than two supporting wing plates are provided in the connection box, and the supporting wing plates are welded together with the arc-shaped guide plates.
[0012] Preferably, a sealing cover for closing the sand inlet hole can be installed on the sand inlet hole of the sand inlet plate.
[0013] The beneficial effect of the utility model is that the application adopts a boiling box and a connecting box in combination, first the sand particles are pressurized and boiled in the boiling box, and then enter the connecting box through the slope guide plate in the boiling box after the sand particles are completely boiled, and the boiling sand particles are converted from horizontal movement to vertical upward movement through the arc-shaped guide plate in the connecting box, and then enter the lower sand box through the sand inlet hole of the sand inlet plate; the use of the lower shooting sand box of the application can make the sand particles better fill the mold, reduce dead corners and gaps, and improve the quality of the sand mold. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a cross-sectional view of the utility model;
[0015] Figure 2 It is a schematic diagram of the structure of the utility model;
[0016] Figure 3 This is a structural schematic diagram of the connection box of the utility model;
[0017] Figure 4 It is a cross-sectional view of the connection box of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the connection box of the utility model when viewed from above. DETAILED DESCRIPTION
[0019] The utility model of the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. In order to clearly and completely describe the technical solution, the following embodiments are selected for illustration; based on the contents recorded in this application, other embodiments obtained without creative work are all within the scope of protection of this utility model.
[0020] In the following embodiments, it should be noted that the terms "upper", "lower", "left", "right", "inside", "outside", "top / bottom" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of clearly describing the present embodiment, rather than indicating or implying that the device or element referred to must have a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0021] like Figure 1-5 As shown, the specific embodiment of the utility model is a lower shot sand box of a molding machine, including a boiling box 1 and a connecting box 2 connected together, a sand feeding mechanism 3 for loading sand particles is arranged on the top of the boiling box 1, and a first connecting channel 4 for connecting other boxes is arranged on the bottom side of the boiling box 1, wherein the boiling box 1 is connected to the second connecting channel 5 on the bottom side of the connecting box 2 through the first connecting channel 4, and the first connecting channel 4 and the second connecting channel 5 are directly fixed together through flanges and bolts, and at the same time, the first connecting channel 4 and the second connecting channel 5 are directly installed with elastic rubber rings to increase sealing performance. A sand feeding plate 7 with a sand feeding hole 6 connected to the lower sand box is arranged on the top of the connecting box 2, wherein one or more sealing covers 11 for closing the sand feeding hole can be installed at a designated position on the sand feeding hole 6 of the sand feeding plate 7.
[0022] The boiling box 1 and the connecting box 2 are surrounded by inner walls provided with a boiling plate 3 with air guide windows 10 of a square structure, and the air guide windows 10 are covered with a breathable net. The pressurized gas output by the pressurized air pump 9 is transported to each air guide window 10 through the air guide channel 8 and then enters the boiling box 1 or the connecting box 2.
[0023] An air guide channel 8 connected to the boiling plate 3 is also provided on the outside of the boiling box 1 and the connecting box 2, and the air guide channel 8 is connected to the pressurized air pump 9; the boiling box 1 includes a main chamber 101 located at the top and a guide chamber 102 located at the bottom, the main chamber 101 is a columnar cavity structure, the vertical section of the guide chamber 102 is a trapezoidal structure, and an inclined slope guide plate 103 is provided at a position opposite to the first connecting channel 4 in a slanted manner; the connecting box 2 includes a connecting chamber 201 and an arc-shaped guide plate 202, and the arc-shaped guide plate 202 is provided at a position opposite to the connecting chamber 201 and the second connecting channel 5.
[0024] In order to facilitate the control of sand feeding and seal the boiling box, the sand feeding mechanism 3 includes a sand feeding funnel 301, a control cylinder 302, a support frame 303 and a partition 304. The sand feeding funnel 301 is installed on the top of the support frame 303, the control cylinder 302 is installed on one side of the support frame 303, and the partition 304 is installed in the support frame 303. The control cylinder 302 can drive the partition 304 to move horizontally.
[0025] In order to facilitate the pressurized air to evenly enter each air guide window, the air guide channel 8 includes a connecting pipe 801, a transverse channel 802 and a vertical channel 803, and adjacent transverse channels 802 are connected through the connecting pipe 803 or the vertical channel 803.
[0026] In order to fix and strengthen the arc-shaped guide plate, more than two supporting wing plates 203 are further arranged in the connection box 2 , and the supporting wing plates 203 are welded together with the arc-shaped guide plate 202 .
[0027] The present application adopts a combination of a boiling box and a connecting box. The sand particles are first pressurized and boiled in the boiling box. After the sand particles are completely boiled, they enter the connecting box through the slope guide plate in the boiling box. The boiling sand particles are converted from horizontal movement to vertical upward movement through the arc-shaped guide plate in the connecting box, and then enter the lower sand box through the sand inlet holes of the sand inlet plate. The use of the lower shooting sand box of the present application can allow the sand particles to better fill the mold, reduce dead corners and gaps, and improve the quality of the sand mold.
[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims
1. A lower shot sand box of a molding machine, characterized in that: It comprises a boiling box and a connecting box, wherein a sand feeding mechanism is arranged on the top of the boiling box, a first connecting channel is arranged on one side of the bottom of the boiling box, the boiling box is connected with a second connecting channel on one side of the bottom of the connecting box through the first connecting channel and is fixed through a flange, and a sand feeding plate with a sand feeding hole is arranged on the top of the connecting box; Boiling plates are arranged around the inner walls of the boiling box and the connecting box, and an air guide channel connected to the boiling plates is also arranged on the outer sides of the boiling box and the connecting box, and the air guide channel is connected to the pressurized air pump; the boiling box includes a main chamber located at the top and a guide chamber located at the bottom, the main chamber is a columnar cavity structure, the vertical section of the guide chamber is a trapezoidal structure, and an inclined slope guide plate is arranged at a position opposite to the first connecting channel; the connecting box includes a connecting chamber and an arc-shaped guide plate, and the arc-shaped guide plate is arranged at a position opposite to the second connecting channel.
2. The lower shot flask of the molding machine according to claim 1, characterized in that: A plurality of square air guide windows are arranged on the boiling plate, and the air guide windows are covered with air-permeable nets. The pressurized gas output by the pressurized air pump is transported to each air guide window through the air guide channel and then enters the boiling box or the connecting box.
3. The lower shot flask of the molding machine according to claim 1, characterized in that: The sand feeding mechanism comprises a sand feeding funnel, a control cylinder, a support frame and a partition. The sand feeding funnel is installed on the top of the support frame, the control cylinder is installed on one side of the support frame, the partition is installed in the support frame, and the control cylinder can drive the partition to move horizontally.
4. The lower shot flask of the molding machine according to claim 1, characterized in that: The air guide channel includes a connecting pipe, a transverse channel and a vertical channel, and adjacent transverse channels are connected through the connecting pipe or the vertical channel.
5. The lower shot flask of the molding machine according to claim 1, characterized in that: More than two supporting wing plates are also arranged in the connection box, and the supporting wing plates are welded together with the arc-shaped guide plates.
6. The lower shot flask of the molding machine according to claim 1, characterized in that: A sealing cover for closing the sand inlet hole can also be installed on the sand inlet hole of the sand inlet plate.