Liftable vacuum pile for V-method casting

Abstract

The utility model discloses a liftable vacuum pile for V-method casting, which comprises a base and an outer cover box, and a vacuumizing component is vertically mounted in an inner cavity of the outer cover box in a sliding manner; two symmetrically arranged vertical cylinders are fixedly connected to the top of the base, lifting mechanisms are arranged in the vertical cylinders, and the lifting mechanisms are connected with the outer cover box; a fine adjustment screw rod is inserted into the top wall of the outer cover box in a penetrating and threaded mode, and the bottom end of the fine adjustment screw rod is rotationally connected with the top of the vacuumizing assembly. The vacuumizing assembly in the vacuum pile can be accurately adjusted to the required height according to different casting requirements, so that the vacuumizing requirements of a plurality of casting molds are met; the flexibility and the production efficiency of the system are greatly improved; in addition, a group of vacuumizing components and pipelines need to be matched, so that complex lap joint of a plurality of components and pipelines is avoided, and the layout and maintenance work of the pipelines are greatly simplified; and the complexity of pipeline installation, disassembly and maintenance is reduced, and the risk of system faults is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to V method casting technical field especially relates to the liftable vacuum stake for V method casting. BACKGROUND

[0002] V method casting (also known as "vacuum casting") is a kind of high-precision casting process, and is widely applied to cast complex parts and castings requiring high quality.The basic principle is to extract vacuum in the casting mold, thereby reducing the defects such as blowhole, shrinkage hole in the casting, and obtaining more delicate and smooth casting surface.

[0003] Vacuum stake is one of the common equipment in V method casting, and is used for vacuum extraction in the casting process.In the existing V method casting process, the vacuum extraction assembly on the vacuum stake is usually fixed on the stake, and then connected with vacuum pump through pipeline;in order to cope with the vacuum extraction requirement of different height, multiple vacuum extraction assemblies need to be lapped with the pipeline system on the vacuum stake, which leads to complex system, increases the difficulty of installation, disassembly and maintenance, and the current vacuum stake system is generally fixed, and cannot be self-adaptively adjusted in height according to different casting requirements.This limits the applicability of the equipment, and leads to the fact that the position of vacuum extraction assembly cannot be quickly and conveniently adjusted in the casting process, which affects the production efficiency. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides the following technical scheme:

[0005] The liftable vacuum stake for V method casting includes base and outer cover box, the inner cavity of outer cover box is vertically slidably installed with vacuum extraction assembly;

[0006] The top of base is fixedly connected with two symmetrical vertical tubes, the vertical tube is internally provided with lifting mechanism, and the lifting mechanism is connected with outer cover box;

[0007] The top wall of outer cover box is penetrated and threadedly inserted with fine adjustment screw rod, and the bottom end of fine adjustment screw rod is rotatably connected with the top of vacuum extraction assembly.

[0008] As the preferred technical scheme, the lifting mechanism includes lifting motor installed at the top of one of the vertical tubes, the output shaft of lifting motor is fixedly connected with threaded rod, the outer periphery of threaded rod is threadedly sleeved with threaded sleeve, the outer wall of threaded sleeve is vertically slidably connected with the inner wall of vertical tube, the outer wall of threaded sleeve is fixedly connected with connecting rod, and the other end of connecting rod is fixed with the outer wall of outer cover box.

[0009] As the preferred technical scheme, the lifting mechanism further includes vertical rod fixedly connected in the other vertical tube, the outer periphery of vertical rod is movably sleeved with movable sleeve, the outer wall of movable sleeve is vertically slidably connected with the inner wall of vertical tube, and the movable sleeve is fixed with the outer wall of outer cover box through connecting rod.

[0010] As the preferred of the above technical scheme, the two vertical tubes are provided with guide holes on the side close to each other, and the connecting rod is movably penetrated through the guide holes.

[0011] As the preferred of the above technical scheme, the two vertical tubes are fixedly connected with a connecting plate, and the corner connecting part of the vertical tube and the base is fixedly connected with a triangular stabilizing block.

[0012] As the preferred of the above technical scheme, the front and back surfaces of the cover box are provided with penetrating holes, and the vacuum pipelines at the head end and tail end of the vacuum extraction assembly are respectively penetrated through the penetrating holes of the front and back surfaces of the cover box.

[0013] The beneficial effects of the present application are as follows:

[0014] The present application can precisely adjust the required height according to different casting requirements by setting the lifting mechanism and fine adjustment screw rod, so as to adapt to the vacuum extraction requirements of multiple molds, greatly improve the flexibility and production efficiency of the system, and further, the vacuum pile of the present application only needs to be matched with a group of vacuum extraction assemblies and pipelines, avoiding the complex lapping of multiple assemblies and pipelines, greatly simplifying the layout and maintenance work of the pipelines, reducing the complexity of pipeline installation, disassembly and maintenance, and reducing the risk of system failure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The figure shows the three-dimensional structure schematic diagram of the liftable vacuum pile for V-process casting in the embodiment;

[0016] Fig. 2 The figure shows the vertical tube front view cut diagram in the liftable vacuum pile for V-process casting in the embodiment;

[0017] Fig. 3 The figure shows the inside side view of the cover box in the liftable vacuum pile for V-process casting in the embodiment 1.

[0018] In the figure: 10, base; 20, vertical tube; 21, guide hole; 22, triangular stabilizing block; 23, connecting plate; 30, lifting mechanism; 31, lifting motor; 32, threaded rod; 33, threaded sleeve; 34, connecting rod; 35, movable sleeve; 36, vertical rod; 40, cover box; 50, vacuum extraction assembly; 60, fine adjustment screw rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described clearly and completely in combination with the embodiments.

[0020] EMBODIMENT

[0021] As Figs. 1-3As shown, the V-method casting liftable vacuum pile comprises a base 10 and an outer cover box 40, and the inner cavity of the outer cover box 40 is vertically slidably connected with a vacuumizing assembly 50;

[0022] The top of the base 10 is fixedly connected with two symmetrical vertical cylinders 20, the vertical cylinders 20 are internally provided with lifting mechanisms 30, and the lifting mechanisms 30 are connected with the outer cover box 40.

[0023] The top wall of the outer cover box 40 is penetrated and threadedly connected with a fine adjustment screw rod 60, and the bottom end of the fine adjustment screw rod 60 is rotatably connected with the top of the vacuumizing assembly 50.

[0024] In use, the height of the outer cover box 40 and the vacuumizing assembly 50 is preliminarily adjusted by the lifting mechanisms 30, and then the height of the vacuumizing assembly 50 is finely adjusted by rotating the fine adjustment screw rod 60, so that the vacuumizing assembly 50 can be precisely docked with a casting mold, and then vacuumizing operation is performed.

[0025] The lifting mechanisms 30 comprise a lifting motor 31 mounted on the top of one of the vertical cylinders 20, the output shaft of the lifting motor 31 is fixedly connected with a threaded rod 32, the threaded rod 32 is externally threadedly sleeved with a threaded sleeve 33, the outer wall of the threaded sleeve 33 is vertically slidably connected with the inner wall of the vertical cylinder 20, the outer wall of the threaded sleeve 33 is fixedly connected with a connecting rod 34, and the other end of the connecting rod 34 is fixedly connected with the outer wall of the outer cover box 40.

[0026] The working principle of the lifting mechanisms 30 is that the lifting motor 31 drives the threaded rod 32 to rotate, the threaded rod 32 drives the threaded sleeve 33 to ascend and descend, and the outer cover box 40 and the vacuumizing assembly 50 are driven to ascend and descend under the connection of the connecting rod 34.

[0027] The lifting mechanisms 30 further comprise a vertical rod 36 fixedly connected in the other vertical cylinder 20, the vertical rod 36 is movably sleeved with a movable sleeve 35, the outer wall of the movable sleeve 35 is vertically slidably connected with the inner wall of the vertical cylinder 20, and the movable sleeve 35 is fixedly connected with the outer wall of the outer cover box 40 through the connecting rod 34.

[0028] During the ascending and descending of the outer cover box 40 and the vacuumizing assembly 50, the movable sleeve 35 and the vertical rod 36 can stabilize the ascending and descending of the outer cover box 40 and the vacuumizing assembly 50, and ensure the stability of the ascending and descending of the outer cover box 40 and the vacuumizing assembly 50.

[0029] The two vertical cylinders 20 are provided with guide holes 21 on one side close to each other, and the connecting rod 34 is movably penetrated through the guide holes 21.

[0030] The two vertical cylinders 20 are fixedly connected with a connecting plate 23, and the corner connecting part of the vertical cylinder 20 and the base 10 is fixedly connected with a triangular stabilizing block 22. By arranging the connecting plate 23, the connection between the two vertical cylinders 20 is strengthened, so that the two vertical cylinders 20 are integrated, thereby improving the relative stability of the two vertical cylinders 20. By arranging the triangular stabilizing block 22, the connection stability between the vertical cylinder 20 and the base 10 is strengthened.

[0031] The front surface and the back surface of the cover box 40 are provided with penetrating holes, and the vacuum pipelines at the head end and the tail end of the vacuumizing assembly 50 are respectively penetrated through the penetrating holes on the front surface and the back surface of the cover box 40.

[0032] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit it.

Claims

1. A liftable vacuum pile for V-process casting, characterized by Including base (10) and cover box (40), the inner chamber of cover box (40) vertically slidingly installs vacuumizing assembly (50); The top of base (10) is fixedly connected with two symmetrical vertical tubes (20), the inside of vertical tube (20) is provided with lifting mechanism (30), and lifting mechanism (30) is connected with cover box (40); The top wall of cover box (40) is threaded inserted with fine adjustment screw rod (60), and the bottom end of fine adjustment screw rod (60) is rotatably connected with the top of vacuumizing assembly (50).

2. The liftable vacuum stem for V-process casting according to claim 1, characterized by, The lifting mechanism (30) includes lifting motor (31) installed at the top of one of the vertical tubes (20), the output shaft of lifting motor (31) is fixedly connected with threaded rod (32), threaded rod (32) is externally threaded sleeved with threaded sleeve (33), the outer wall of threaded sleeve (33) is vertically slidably connected with the inner wall of vertical tube (20), the outer wall of threaded sleeve (33) is fixedly connected with connecting rod (34), and the other end of connecting rod (34) is fixedly connected with the outer wall of cover box (40).

3. The liftable vacuum stem for V-process casting according to claim 2, characterized in that, The lifting mechanism (30) further includes vertical rod (36) fixedly connected inside the other vertical tube (20), vertical rod (36) is movably sleeved with movable sleeve (35), and the outer wall of movable sleeve (35) is vertically slidably connected with the inner wall of vertical tube (20), movable sleeve (35) is fixedly connected with the outer wall of cover box (40) through connecting rod (34).

4. The liftable vacuum stem for V-process casting according to claim 3, characterized by, Two vertical tubes (20) are provided with guide holes (21) on the side close to each other, and connecting rod (34) movably penetrates guide holes (21).

5. The liftable vacuum stem for V-process casting according to claim 1, characterized by, Two vertical tubes (20) are fixedly connected with connecting plate (23), and the corner connecting part of vertical tube (20) and base (10) is fixedly connected with triangular stabilizing block (22).

6. The liftable vacuum stem for V-process casting according to claim 1, characterized by, The front and back of cover box (40) are provided with through holes, and the vacuum pipelines at the head end and tail end of vacuumizing assembly (50) respectively pass through the through holes in the front and back of cover box (40).

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