Core shooter with novel sand feeding and shooting mechanism

Abstract

The utility model relates to the field of core shooters, in particular to a core shooter with a novel sand feeding and shooting mechanism. The core shooter comprises a fixed base, a top cover, a sliding rail and a sand shooting mechanism, the fixed base is used for fixing a mold, the top cover is erected above the fixed base, a sand shakeout mechanism and a pressing mechanism are arranged on the top cover, the sliding rail is arranged between the top cover and the fixed base, and the sand shooting mechanism comprises a movable frame, a sand shooting assembly and a protective fence. The movable frame is slidably connected with the sliding rail, the sand shooting assembly is arranged in the movable frame, the protective enclosure is arranged around the movable frame and slidably connected with the movable frame, and in the sand shooting process, the protective enclosure descends to shield the joint of the sand shooting assembly and the mold. According to the utility model, the protective enclosure is arranged on the outer ring of the sand shooting mechanism, so that molding sand which is ejected from a gap and has a certain speed is buffered and diverted, the molding sand is prevented from splashing in the environment, the comfort of the working environment is improved, and the risk of manual operation is reduced.

Description

Technical Field

[0001] The utility model relates to the field of core shooting machines, in particular to a core shooting machine with a novel sand feeding and sand shooting mechanism. Background Art

[0002] The core shooter is a device specially used for sand core molding in the foundry industry. It mainly uses compressed air to inject the molding sand in the sand shooting mechanism into the mold, and then pressurizes the mold to compact the molding sand. The traditional sand shooting mechanism reciprocates above the mold to realize sand feeding and sand shooting. However, during the sand feeding and sand shooting process, there will be gaps between the sand shooting mechanism and the sand bucket and the mold, causing some molding sand to overflow and affect the working environment. Therefore, a core shooter with a new sand feeding and sand shooting mechanism is needed. Utility Model Content

[0003] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures specifically pointed out in the description and the drawings of the description.

[0004] The utility model aims to overcome the above-mentioned shortcomings and provide a core shooting machine with a novel sand feeding and sand shooting mechanism, which has the advantages of anti-sand leakage structure and good protection effect.

[0005] The utility model provides a core shooting machine with a novel sand feeding and sand shooting mechanism, comprising a fixed base, a top cover, a sliding track and a sand shooting mechanism, the fixed base is used to fix the mold, the top cover is arranged above the fixed base, a sand falling mechanism and a pressing mechanism are arranged on the top cover, the sliding track is arranged between the top cover and the fixed base, the sand shooting mechanism comprises a moving frame, a sand shooting assembly and a protective enclosure, the moving frame is slidably connected to the sliding track, the sand shooting assembly is arranged in the moving frame, the protective enclosure is arranged around the moving frame and is slidably connected to the moving frame, the moving frame repeatedly moves along the sliding track to realize the position switching of the sand shooting assembly from below the sand falling mechanism to below the pressing mechanism, and during the sand shooting process, the protective enclosure descends to shield the connection between the sand shooting assembly and the mold.

[0006] Preferably, the protective enclosure includes a rectangular frame and a connecting plate, the two connecting plates are symmetrically arranged above the rectangular frame and located on the left and right sides of the rectangular frame, the left and right sides of the movable frame are provided with a limiting track group, and a single limiting track group includes two symmetrically arranged limiting rails. The connecting plate is slidably connected to the limiting rail, and the overall movement of the protective enclosure is realized by moving the connecting plate within the limiting rail.

[0007] Preferably, strip teeth are provided on both the left and right sides of the connecting plate, a gear meshing with the strip teeth is provided in the limiting track, and a rotating motor is coaxially provided on the gear.

[0008] Preferably, the rectangular frame is symmetrically provided with rubber scrapers at the bottom.

[0009] Preferably, the rectangular frame and the connecting plate are covered with a side close to the movable frame with buffer cotton.

[0010] Preferably, the fixed base includes a first pressing seat and a second pressing seat arranged opposite to each other, the setting direction of the first pressing seat and the second pressing seat is perpendicular to the moving direction of the movable frame, and the first pressing seat and the second pressing seat clamp the mold below the pressing mechanism.

[0011] By adopting the above technical solution, the beneficial effects of the utility model are:

[0012] The utility model reduces the problem of sand splashing caused by gaps at the connection by arranging a protective enclosure on the outer ring of the sand shooting mechanism. The protective enclosure buffers and redirects the sand with a certain speed sprayed from the gap to prevent it from splashing in the environment, thereby improving the comfort of the working environment and reducing the risk of manual operation.

[0013] The utility model realizes the up and down movement of the enclosure by arranging a connecting plate. In combination with the movement of the sand shooting assembly, the connecting plate can rise to the connection between the sand falling mechanism and the sand shooting mechanism to block the gap between the sand falling mechanism and the sand shooting mechanism. The movement of the enclosure is realized by arranging the meshing of gears and racks. Such a driving method has low requirements on the operating environment and reduces the influence of molding sand on the movement. A rubber scraper is provided to clean the residual sand on the surface of the mold after sand shooting.

[0014] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

[0015] Undoubtedly, these and other objects of the present invention will become more apparent after the following detailed description of the preferred embodiments described with reference to various figures and drawings.

[0016] In order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, one or several preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the drawings, the same reference numerals are used for the same components and the drawings are schematic and not necessarily drawn to scale.

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only one or several embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on such drawings without paying creative work.

[0020] Figure 1 It is a front view of a core shooting machine with a novel sand feeding and shooting mechanism according to the utility model;

[0021] Figure 2 It is a side view of a core shooting machine with a novel sand feeding and sand shooting mechanism of the utility model;

[0022] Figure 3 It is a structural schematic diagram of a sand shooting mechanism of a core shooting machine with a novel sand feeding and sand shooting mechanism according to the utility model;

[0023] Figure 4 This is a separation diagram of the sand shooting mechanism of a core shooting machine with a novel sand feeding and sand shooting mechanism according to the utility model;

[0024] Figure 5 The utility model is a schematic diagram of the internal structure of a limit track with a novel sand feeding and sand shooting mechanism.

[0025] Description of main reference numerals:

[0026] 1.Fix the base;

[0027] 11. The first pressing seat;

[0028] 12. The second pressing seat;

[0029] 2. Top cover;

[0030] 21.Sand falling mechanism;

[0031] 22. Pressing mechanism;

[0032] 3. Sliding track;

[0033] 4.Sand shooting mechanism;

[0034] 41. Mobile framework;

[0035] 41a. Limiting track, 41b. Gear, 41c. Rotating motor;

[0036] 42. Sand shooting assembly;

[0037] 43. Protective enclosure;

[0038] 43a. Rectangular frame, 43b. Connecting plate, 43c. Rubber scraper. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model, but not to limit the utility model.

[0040] Reference Figure 1-5 The utility model provides a core shooting machine with a novel sand feeding and sand shooting mechanism 4, comprising a fixed base 1, a top cover 2, a sliding track 3 and a sand shooting mechanism 4.

[0041] The fixed base 1 is used to fix the mold. The fixed base 1 includes a first clamping seat 11 and a second clamping seat 12 that are arranged opposite to each other. The first clamping seat 11 and the second clamping seat 12 are arranged in a direction perpendicular to the moving direction of the mobile frame 41. The first clamping seat 11 and the second clamping seat 12 clamp the mold below the pressing mechanism 22. The first clamping seat 11 and the second clamping seat 12 are controlled by a hydraulic cylinder. The top cover 2 is mounted above the fixed base 1. The top cover 2 is provided with a sand dropping mechanism 21 and a pressing mechanism 22. The sliding track 3 is arranged between the top cover 2 and the fixed base 1. The sand shooting mechanism 4 includes a mobile frame 41, a sand shooting assembly 42 and a protective enclosure 43. The mobile frame 41 is slidably connected to the sliding track 3. The sand shooting assembly 42 is arranged in the mobile frame 41. The pressing mechanism 22 presses down to cause the sand shooting assembly 42 to move up and down relative to the mobile frame. The mobile frame 41 repeatedly moves along the sliding track 3 to realize the position switching of the sand-shooting assembly 42 from below the sand-falling mechanism 21 to below the pressing mechanism 22. The protective enclosure 43 is arranged around the mobile frame 41 and is slidably connected to the mobile frame 41. During the sand-shooting process, the protective enclosure 43 descends to block the connection between the sand-shooting assembly 42 and the mold. The protective enclosure 43 includes a rectangular frame 43a and a connecting plate 43b. The two connecting plates 43b are symmetrically arranged above the rectangular frame 43a and located on the left and right sides of the rectangular frame 43a. The left and right sides of the mobile frame 41 are both provided with a limit track group. The single limit track group includes two symmetrically arranged limit tracks 41a. The left and right sides of the connecting plate 43b are both provided with strip teeth. The limit track 41a is provided with a gear 41b meshing with the strip teeth. The gear 41b is coaxially provided with a rotating motor 41c. The connecting plate 43b is slidably connected to the limiting track 41a, and the connecting plate 43b moves in the limiting track 41a to realize the overall movement of the protective enclosure 43. The rectangular frame 43a is symmetrically provided with rubber scraper strips 43c at the bottom. The rectangular frame 43a and the connecting plate 43b are covered with cushioning cotton on one side close to the moving frame 41.

[0042] Working principle: During the sand feeding process, the rotating motor 41c is driven to move the connecting plate 43b upward to the connection between the sand falling mechanism 21 and the sand shooting mechanism 4 until the sand feeding is completed; then the connecting plate 43b is reset to move the movable frame 41 above the mold, and the rotating motor 41c is driven to move the connecting plate 43b downward to the connection between the sand shooting mechanism 4 and the mold, and then the pressing mechanism 22 is driven to press the sand shooting assembly 42 to fit the mold for sand shooting.

[0043] It should be understood that the embodiments disclosed in the present invention are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features understood by ordinary technicians in the relevant field. It should also be understood that the terms used herein are only used for the purpose of describing specific embodiments and are not meant to be limiting.

[0044] The "embodiment" mentioned in the specification means that the specific features or characteristics described in conjunction with the embodiment are included in at least one embodiment of the utility model. Therefore, the phrases or "embodiment" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0045] In addition, the described features or characteristics may be combined in one or more embodiments in any other suitable manner. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the utility model. However, those skilled in the relevant art will understand that the utility model can be implemented without one or more of the above specific details or can also be implemented using other methods, components, materials, etc.

Claims

1. A core shooting machine with a novel sand feeding and shooting mechanism, characterized in that: The invention comprises a fixed base, a top cover, a sliding track and a sand-shooting mechanism, wherein the fixed base is used to fix the mold, the top cover is mounted above the fixed base, a sand-falling mechanism and a pressing mechanism are arranged on the top cover, the sliding track is arranged between the top cover and the fixed base, the sand-shooting mechanism comprises a moving frame, a sand-shooting assembly and a protective enclosure, the moving frame is slidably connected to the sliding track, the sand-shooting assembly is arranged in the moving frame, the protective enclosure is arranged around the moving frame and is slidably connected to the moving frame, the moving frame repeatedly moves along the sliding track to realize the position switching of the sand-shooting assembly from below the sand-falling mechanism to below the pressing mechanism, and during the sand-shooting process, the protective enclosure descends to shield the connection between the sand-shooting assembly and the mold.

2. The core shooting machine with a novel sand feeding and shooting mechanism according to claim 1, characterized in that: The protective enclosure includes a rectangular frame and a connecting plate, wherein the two connecting plates are symmetrically arranged above the rectangular frame and located on the left and right sides of the rectangular frame, and the left and right sides of the movable frame are provided with a limiting track group, and a single limiting track group includes two symmetrically arranged limiting tracks, and the connecting plate is slidably connected to the limiting track, and the overall movement of the protective enclosure is realized by moving the connecting plate within the limiting track.

3. The core shooting machine with a novel sand feeding and shooting mechanism according to claim 2, characterized in that: The left and right sides of the connecting plate are both provided with strip-shaped teeth, a gear meshing with the strip-shaped teeth is provided in the limiting track, and a rotating motor is coaxially provided with the gear.

4. The core shooting machine with a novel sand feeding and shooting mechanism according to claim 2, characterized in that: The rectangular frame is symmetrically provided with rubber scraping strips at the bottom.

5. The core shooting machine with a novel sand feeding and shooting mechanism according to claim 2, characterized in that: The rectangular frame and the connecting plate are covered with buffer cotton on one side close to the movable frame.

6. The core shooting machine with a novel sand feeding and shooting mechanism according to claim 2, characterized in that: The fixed base includes a first pressing seat and a second pressing seat arranged opposite to each other. The setting direction of the first pressing seat and the second pressing seat is perpendicular to the moving direction of the movable frame. The first pressing seat and the second pressing seat clamp the mold below the pressing mechanism.

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