A sand-blasting device for casting a closed fan impeller

Abstract

The utility model discloses a kind of sand vibrating devices of casting closed type fan impeller, including rack, the top surface middle part of the top plate of the rack is fixed with multiple support sleeve bodies, the middle part through-hole of support sleeve body is communicated with the corresponding through-hole shaped on the top plate of rack, the bottom surface of the top plate of the rack is fixed with multiple air hammers, the top of the push rod of air hammer protrudes corresponding through-hole and extends into the middle part through-hole of corresponding support sleeve body, the top of the push rod of air hammer is fixed with hammer head;The top surface of all support sleeve bodies is pressed with annular support plate, annular support plate is placed with closed impeller completed casting above;It can automatically vibrate after impeller clamping, realize shakeout, greatly improve processing efficiency, reduce artificial labor quantity.

Description

Technical Field

[0001] This utility model relates to the field of centrifugal fan impeller equipment, and more specifically to a sand-vibrating device for casting enclosed fan impellers. Background Technology

[0002] Among the existing enclosed impellers, there are impellers that are fixed by welding and impellers that are made by casting. For impellers made by casting, a large amount of sand particles will adhere to the surface after casting. The current method is to manually remove the sand particles on the surface by vibrating with a pneumatic pick, which is ineffective and inefficient.

[0003] Moreover, the process requires a large amount of manual labor, as it necessitates the use of a pneumatic pick, which is strenuous. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a sand-vibrating device for casting enclosed fan impellers. It can automatically clamp the impeller and vibrate it to achieve sand removal, which greatly improves processing efficiency and reduces manual labor.

[0005] The solution of this utility model to the aforementioned technical problem is:

[0006] A sand-vibrating device for casting a closed-type fan impeller includes a frame. Multiple support sleeves are fixed in the middle of the top surface of the top plate of the frame. The through holes in the middle of the support sleeves communicate with the corresponding through holes formed on the top plate of the frame. Multiple air hammers are fixed in the bottom surface of the top plate of the frame. The top of the push rod of the air hammer extends out of the corresponding through hole and into the middle through hole of the corresponding support sleeve. A hammer head is fixed in the top of the push rod of the air hammer.

[0007] An annular support plate is pressed against the top surface of all the support sleeves, and a cast closed impeller is placed above the annular support plate.

[0008] An upper support frame is fixed on the top surface of the top plate of the frame. An upper pressing device is installed on the upper support frame. An annular pressing block is fixed on the bottom surface of the pressing plate of the upper pressing device. The annular pressing block presses against the edge of the top surface of the closed impeller.

[0009] Support sleeves are fixed to the left, right, front and rear parts of the top surface of the top plate of the frame. Self-lubricating sleeves are fixed to the upper inner sidewall of the support sleeves. Positioning pins are fixed to the bottom surface of the corresponding part of the annular support plate. The positioning pins are inserted into the corresponding self-lubricating sleeves. The outer sidewall of the positioning pin is close to or near the inner sidewall of the corresponding self-lubricating sleeve.

[0010] An annular plastic washer is fixed on the top surface of the support sleeve, and the bottom surface of the annular support plate presses against the top surface of all the annular plastic washers.

[0011] An annular support block is fixed to the top surface of the annular support plate, and a plastic annular block is fixed to the top surface of the annular support block. The top surface of the plastic annular block is a conical wall, and its upper diameter is larger than its lower diameter. The bottom surface of the base plate of the closed impeller presses against the top surface of the plastic annular block and cooperates with it.

[0012] The upper support frame includes front and rear support columns fixed to the left and right sides of the top surface of the top plate of the frame. The upper fixing plate is fixed to the top surface of all support columns. The upper clamping device includes two clamping cylinders, which are fixed to the top surface of the upper fixing plate. The bottom ends of the push rods of all clamping cylinders extend out of the top surface of the upper fixing plate and are fixed to the same clamping plate.

[0013] The bottom surface of the annular pressing block has an annular groove formed in the middle. The plastic annular pad is pressed against the bottom surface of the annular pressing block. The annular protrusion formed in the middle of the top surface of the plastic annular pad is nested in the annular groove. The outer wall of the annular protrusion and the inner wall of the annular groove are bonded and fixed together by an adhesive. The bottom surface of the plastic annular pad is pressed against the top edge of the top plate of the closed impeller.

[0014] The outstanding effect of this utility model is:

[0015] It can automatically clamp the impeller and vibrate it to remove sand, greatly improving processing efficiency and reducing manual labor. Attached Figure Description

[0016] Figure 1 This is a partial structural schematic diagram of the present invention;

[0017] Figure 2 yes Figure 1 A magnified view of a portion of the image;

[0018] Figure 3 yes Figure 1 A magnified view of another part;

[0019] Figure 4 This is a partial top view of the frame of this utility model. Detailed Implementation

[0020] For example, see below. Figures 1 to 4 As shown, a sand-vibrating device for casting a closed-type fan impeller includes a frame 10. A plurality of support sleeves 11 are fixed in the middle of the top surface of the top plate of the frame 10. In this embodiment, support sleeves 11 are fixed in the left, right, front and rear parts of the middle of the top surface of the top plate of the frame 10.

[0021] The central through hole of the support sleeve 11 communicates with the corresponding through hole formed on the top plate of the frame 10. Multiple air hammers 20 are fixed on the bottom surface of the top plate of the frame 10, which are located directly below the corresponding support sleeve 11. The top of the push rod of the air hammer 20 extends out of the corresponding through hole and into the central through hole of the corresponding support sleeve 11. A hammer head 21 is fixed on the top of the push rod of the air hammer 20.

[0022] An annular support plate 30 is pressed against the top surface of all the support sleeves 11, and a cast closed impeller 100 is placed above the annular support plate 30.

[0023] An upper support frame 40 is fixed on the top surface of the top plate of the frame 10. An upper pressing device is installed on the upper support frame 40. An annular pressing block 52 is fixed on the bottom surface of the pressing plate 51 of the upper pressing device. The annular pressing block 52 presses against the edge of the top surface of the closed impeller 100.

[0024] Furthermore, the top surface of the top plate of the frame 10 is fixed with support sleeves 11 at the left, right, front and rear parts of the top surface. The upper inner side wall of the support sleeve 11 is fixed with a self-lubricating sleeve 1. The bottom surface of the corresponding part of the annular support plate 30 is fixed with a positioning post 31. The positioning post 31 is inserted into the corresponding self-lubricating sleeve 1. The outer side wall of the positioning post 31 is close to or near the inner side wall of the corresponding self-lubricating sleeve 1.

[0025] An annular plastic washer 2 is fixed on the top surface of the support sleeve 11, and the bottom surface of the annular support plate 30 presses against the top surface of all the annular plastic washers 2.

[0026] Furthermore, an annular support block 32 is fixed to the top surface of the annular support plate 30, and a plastic annular block 33 is fixed to the top surface of the annular support block 32. The top surface of the plastic annular block 33 is a conical wall surface, and its upper diameter is larger than its lower diameter. The bottom surface of the base plate of the closed impeller 100 presses against the top surface of the plastic annular block 33 and cooperates with it.

[0027] Its annular support plate 30 can distribute the force below evenly, thereby ensuring uniform force on the bottom surface of the closed impeller 100.

[0028] Furthermore, the upper support frame 40 includes front and rear support columns fixed to the left and right sides of the top surface of the top plate of the frame 10. The upper fixing plate 41 is fixed to the top surface of all support columns. The upper clamping device includes two clamping cylinders 50, which are fixed to the top surface of the upper fixing plate 41. The bottom ends of the push rods of all clamping cylinders 50 extend out of the top surface of the upper fixing plate 41 and are fixed to the same clamping plate 51.

[0029] Furthermore, the bottom surface of the annular pressing block 52 has an annular groove formed in the middle. The plastic annular pad 53 is pressed against the bottom end surface of the annular pressing block 52. The annular protrusion formed in the middle of the top surface of the plastic annular pad 53 is nested in the annular groove. The outer wall surface of the annular protrusion and the inner wall surface of the annular groove are bonded and fixed together by an adhesive. The bottom surface of the plastic annular pad 53 is pressed against the top edge of the top plate of the closed impeller 100.

[0030] Furthermore, a waste material receiving trough 60 is placed on the top surface of the top plate of the frame 10 below the through hole at the bottom center of the closed impeller 100.

[0031] Furthermore, the bottom surface of the bottom plate of the waste receiving trough 60 is fixed with a plurality of positioning protrusions 61, which are inserted into corresponding recesses formed in the middle of the top surface of the top plate of the frame 10.

[0032] Furthermore, a permanent magnet block 3 is fixed on the bottom surface of the concave hole, a protective elastic sleeve 4 is fixed on the upper inner wall of the concave hole, the bottom surface of the positioning protrusion 61 presses against the top surface of the corresponding permanent magnet block 3 and is attracted and fixed, and the inner wall of the protective elastic sleeve 4 presses against the outer wall of the positioning protrusion 61.

[0033] In this embodiment, the bottom surface of the base plate of the closed impeller 100 is first pressed against the top surface of the plastic annular block 33 and they cooperate. Then, by pushing the push rod of the clamping cylinder 50, the bottom surface of the plastic annular pad 53 is pressed against the top edge of the top plate of the closed impeller 100, thus clamping and fixing the closed impeller 100.

[0034] Then, by operating all the air hammers 20 (which can operate simultaneously or one by one), all the hammer heads 21 impact the bottom surface of the corresponding positioning column 31, causing the annular support plate 30 to vibrate. The annular support plate 30 transmits force to the closed impeller 100, causing it to vibrate, thereby causing the sand particles on the surface to fall off. Some of them will fall into the waste receiving trough 60, and the rest will fall directly onto the top surface of the top plate of the frame 10 or the ground. After the vibration is completed, all parts return to their positions, and the closed impeller 100 can be removed, which is very convenient.

[0035] Its waste receiving trough 60 can collect some sand particles to facilitate subsequent cleaning and reduce the impact on the surrounding environment.

[0036] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A sand-vibrating device for casting enclosed fan impellers, comprising a frame (10), characterized in that: The top surface of the top plate of the frame (10) is fixed with a plurality of support sleeves (11), the middle through hole of the support sleeve (11) is connected to the corresponding through hole formed on the top plate of the frame (10), the bottom surface of the top plate of the frame (10) is fixed with a plurality of air hammers (20), the top of the push rod of the air hammer (20) extends out of the corresponding through hole and into the middle through hole of the corresponding support sleeve (11), and the top of the push rod of the air hammer (20) is fixed with a hammer head (21). An annular support plate (30) is pressed against the top surface of all the support sleeves (11), and a cast closed impeller (100) is placed above the annular support plate (30). An upper support frame (40) is fixed on the top surface of the top plate of the frame (10). An upper pressing device is installed on the upper support frame (40). An annular pressing block (52) is fixed on the bottom surface of the pressing plate (51) of the upper pressing device. The annular pressing block (52) presses against the edge of the top surface of the closed impeller (100).

2. The sand-vibrating device for casting a closed-type fan impeller according to claim 1, characterized in that: The top surface of the top plate of the frame (10) is fixed with a support sleeve (11) at the left, right, front and rear. A self-lubricating sleeve (1) is fixed on the upper inner side wall of the support sleeve (11). A positioning post (31) is fixed on the bottom surface of the corresponding part of the annular support plate (30). The positioning post (31) is inserted into the corresponding self-lubricating sleeve (1). The outer side wall of the positioning post (31) is close to or near the inner side wall of the corresponding self-lubricating sleeve (1).

3. The sand-vibrating device for casting a closed-type fan impeller according to claim 2, characterized in that: An annular plastic washer (2) is fixed on the top surface of the support sleeve (11), and the bottom surface of the annular support plate (30) presses against the top surface of all the annular plastic washers (2).

4. The sand-vibrating device for casting a closed-type fan impeller according to claim 1, characterized in that: The top surface of the annular support plate (30) is fixed with an annular support block (32), and the top surface of the annular support block (32) is fixed with a plastic annular block (33). The top surface of the plastic annular block (33) is a conical wall surface, and the diameter of its upper part is larger than the diameter of its lower part. The bottom surface of the base plate of the closed impeller (100) presses against the top surface of the plastic annular block (33) and cooperates with it.

5. The sand-vibrating device for casting a closed-type fan impeller according to claim 1, characterized in that: The upper support frame (40) includes front and rear support columns fixed to the left and right front ends of the top surface of the top plate of the frame (10). The upper fixing plate (41) is fixed to the top surface of all the support columns. The upper clamping device includes two clamping cylinders (50). The clamping cylinders (50) are fixed to the top surface of the upper fixing plate (41). The bottom ends of the push rods of all the clamping cylinders (50) extend out of the top surface of the upper fixing plate (41) and are fixed to the same clamping plate (51).

6. The sand-vibrating device for casting a closed-type fan impeller according to claim 1, characterized in that: The bottom surface of the annular pressing block (52) has an annular groove formed in the middle. The plastic annular pad (53) is pressed against the bottom surface of the annular pressing block (52). The annular protrusion formed in the middle of the top surface of the plastic annular pad (53) is nested in the annular groove. The outer wall of the annular protrusion and the inner wall of the annular groove are bonded and fixed by an adhesive. The bottom surface of the plastic annular pad (53) is pressed against the top edge of the top plate of the closed impeller (100).

7. The sand-vibrating device for casting a closed-type fan impeller according to claim 1, characterized in that: Waste material receiving trough (60) is placed on the top surface of the top plate of the frame (10) below the through hole at the bottom center of the closed impeller (100).

8. The sand-vibrating device for casting a closed-type fan impeller according to claim 7, characterized in that: The bottom surface of the bottom plate of the waste receiving trough (60) is fixed with a plurality of positioning protrusions (61), which are inserted into corresponding recesses formed in the middle of the top surface of the top plate of the frame (10).

9. The sand-vibrating device for casting a closed-type fan impeller according to claim 8, characterized in that: A permanent magnet block (3) is fixed on the bottom surface of the concave hole, and a protective elastic sleeve (4) is fixed on the upper inner wall of the concave hole. The bottom surface of the positioning protrusion (61) presses against the top surface of the corresponding permanent magnet block (3) and is attracted and fixed. The inner wall of the protective elastic sleeve (4) presses against the outer wall of the positioning protrusion (61).

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