Efficient energy-saving impeller head

Abstract

The utility model relates to an efficient energy-saving impeller head, and belongs to the field of impeller heads, the efficient energy-saving impeller head comprises a base, a shell with a bottom opening is fixedly arranged on the base, the shell comprises a top plate, two side plates and two main plates, the top plate, the two side plates and the two main plates jointly define a cavity, one main plate is provided with a through hole, one side of the main plate is provided with a motor, and the other side of the main plate is provided with a motor; an output shaft of the motor extends into the cavity through the through hole, a bearing is arranged at the position, corresponding to the through hole, of the output shaft of the motor, the output shaft of the motor is connected with the main board through the bearing, an impeller and blades are arranged in the shell, and the motor drives the impeller to drive the blades to rotate. The impeller comprises two positioning rings with the same structure, clamping grooves are symmetrically formed in the two positioning rings, and the blades are clamped in the clamping grooves; positioning grooves are formed in the positions, close to the inner diameter of the impeller, of the clamping grooves, bosses clamped in the positioning grooves are fixedly arranged on the blades, the bosses are in an arc shape, and the bosses are matched with the positioning grooves. The impeller head has the effects that the stability of the output shaft of the motor is improved, and the service life of the impeller head is prolonged.

Description

Technical Field

[0001] The present application relates to the field of shot blasting machines, and in particular to a high-efficiency and energy-saving shot blasting machine. Background Art

[0002] Shot blasting machine is a casting equipment that uses high-speed projectiles thrown by the shot blaster to clean or strengthen the surface of the casting. The shot blasting machine can simultaneously remove sand, core and clean the casting. The shot blasting machine is a processing technology that uses the shot blaster to throw steel sand and steel shot at high speed to impact the surface of the material object. Compared with other surface treatment technologies, it is faster and more effective, and can be used for the casting process after partial retention or stamping.

[0003] In the prior art, a shot blaster generally includes a base, a housing with an open bottom is fixed on one side of the base, a cavity is opened in the housing, a through hole is opened on one side of the housing, a motor is detachably connected to the top of the base, the output shaft of the motor extends into the housing through the through hole, and an impeller and blades are arranged in the housing. The projectile is thrown out at the bottom opening under the acceleration of the blades in the housing to process the casting.

[0004] With regard to the above-mentioned related technologies, the output shaft of the motor extends into the casing through the through hole and is connected to the impeller. The motor drives the impeller to rotate. The impeller and blades will vibrate during the rotation and shot blasting process. The vibration of the impeller will drive the output shaft of the motor to vibrate. The vibration of the output shaft of the motor may damage the bearings inside the motor, thereby reducing the service life of the shot blaster. Utility Model Content

[0005] In order to increase the stability of the output shaft of the motor and improve the service life of the shot blasting machine, the present application provides a high-efficiency and energy-saving shot blasting machine.

[0006] The present application provides an energy-saving shot blasting machine that adopts the following technical solutions:

[0007] A high-efficiency and energy-saving shot blaster, comprising a base, a shell with an open bottom is fixedly arranged on the upper side of the base, the shell comprises a top plate, two side plates and two main plates, the top plate, the two side plates and the two main plates together form a cavity, one of the main plates is provided with a through hole, a motor is arranged on one side of the main plate, the output shaft of the motor extends into the cavity through the through hole, a bearing is arranged at the position of the output shaft of the motor corresponding to the through hole, the output shaft of the motor is connected to the main plate through the bearing, an impeller and blades are arranged in the shell, and the motor can drive the impeller to drive the blades to rotate;

[0008] The impeller includes two positioning rings with the same structure, and the two positioning rings are symmetrically provided with slots, and the blades are snapped into the slots; the slots are provided with positioning grooves near the inner diameter of the impeller, and the blades are fixed with bosses snapped into the positioning grooves, and the bosses are arc-shaped and match the positioning grooves.

[0009] By adopting the above technical solution, by arranging a bearing on the output shaft of the motor, the bearing can support the output shaft, thereby reducing the damage to the internal bearings of the motor caused by vibration and extending the service life of the motor; at the same time, by setting the boss to an arc shape and matching the boss with the positioning groove, the contact area between the boss and the positioning groove is increased, the stability and reliability of the blade are improved, the stability of the motor output shaft is further increased, and the service life of the motor is extended.

[0010] Optionally, a pad is provided at the bottom of the motor, and the motor is arranged above the base through the pad, and under the action of the pad, the axis of the output shaft of the motor is flush with the axis of the through hole.

[0011] By adopting the above technical solution and arranging a pad at the bottom of the motor, it is ensured that the axis of the motor output shaft is flush with the axis of the through hole, so that the motor can drive the impeller to rotate more smoothly and improve the stability of the motor output shaft.

[0012] Optionally, an upper guard plate is provided on the inner wall of the top plate, a side guard plate is provided on the inner wall of the side plate, and a front guard plate is provided on the inner wall of the main plate.

[0013] By adopting the above technical solution, the upper guard plate, the side guard plate and the main guard plate jointly protect the inner wall of the shell, thereby extending the service life of the shell and further extending the service life of the shot blaster.

[0014] Optionally, the top plate is provided with an observation port, an observation portion is hingedly connected to the top plate at a position corresponding to the observation port through a hinge, and a movable portion is arranged at a position corresponding to the observation port on the upper guard plate, and the movable portion can be taken out from the observation port.

[0015] By adopting the above technical solution, the setting of the observation port and the movable part enables the user to check the impeller and blades in the shell more conveniently. The user can observe the wear condition of the blades and the upper guard plate and the side guard plate through the observation port, which is convenient for the user to understand the use condition of the shot blasting machine.

[0016] Optionally, the movable part is arranged as a step part near one end of the observation part, and the upper guard plate is provided with a step groove matching the step groove at a position corresponding to the movable part, and the step part clamps the step groove to realize the installation of the movable part and the upper guard plate.

[0017] By adopting the above technical solution, the movable part can be firmly installed on the upper guard plate through the engagement of the step part and the step groove. On the one hand, the step-shaped design prevents the movable part from falling from the opening position of the upper guard plate. On the other hand, it can effectively reduce the possibility of flying out from the connecting gap between the movable part and the upper guard plate and damaging the top plate.

[0018] Optionally, the top plate is detachably connected to the side plates and the main plate via bolts, and both ends of the upper guard plate are placed above the side guard plates.

[0019] By adopting the above technical solution, the detachable connection of the top plate enables the user to replace the top guard plate without disassembling the shell, and the connection between the top guard plate and the side guard plate makes it easier to take out the top guard plate for replacement.

[0020] Optionally, a dovetail-shaped slider is provided on one side of the side guard plate close to the shell along the length direction of the side guard plate, and a dovetail groove matching the slider is provided at the position of the side plate corresponding to the slider, and the cooperation between the slider and the dovetail groove realizes the connection between the side plate and the side guard plate.

[0021] By adopting the above technical solution, the sliding connection between the side guard plates allows the user to remove the side guard plates from the shell and replace the side guard plates when the top plate and the top guard plates are detached, which greatly improves the convenience of maintenance.

[0022] Optionally, a clamping block is provided at the end position of the upper guard plate corresponding to the side guard plate, a slot is provided at the upper end of the side guard plate, and the clamping block is inserted into the slot to realize the connection between the upper guard plate and the side guard plate.

[0023] By adopting the above technical solution, the possibility of steel shots flying out of the gap can be reduced through the tight insertion of the card block and the slot, thereby reducing the damage of the steel shots to the shell and increasing the service life of the shot blaster.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By arranging a bearing on the output shaft of the motor, the bearing can support the output shaft, thereby reducing the damage to the bearing inside the motor caused by vibration and extending the service life of the motor; at the same time, by setting the boss to an arc shape and matching the boss with the positioning groove, the contact area between the boss and the positioning groove is increased, the stability and reliability of the blade are improved, the stability of the motor output shaft is further increased, and the service life of the motor is extended;

[0026] 2. By setting a pad at the bottom of the motor, the axis of the motor output shaft is ensured to be flush with the axis of the through hole, so that the motor can drive the impeller to rotate more smoothly and improve the stability of the motor output shaft;

[0027] 3. The setting of the observation port and the movable part of the upper guard plate allows the user to easily observe the internal situation of the equipment. At the same time, the detachable connection of the top plate and the connection between the side guard plate and the upper guard plate allow the user to easily remove and replace the upper guard plate and side guard plate from the upper opening without disassembling the entire equipment, just by removing the top plate, which greatly improves the convenience of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of Example 1 of the present application.

[0029] Figure 2 It is a cross-sectional view of the protruding bearing in Example 1 of the present application.

[0030] Figure 3 It is an exploded view of the protruding positioning groove and boss in Example 1 of the present application.

[0031] Figure 4 It is a structural diagram of Example 2 of the present application.

[0032] Figure 5 This is a cross-sectional view of the protruding movable portion and the slider of Example 2 of the present application

[0033] Explanation of the reference numerals: 1. base; 2. shell; 21. top plate; 211. observation part; 22. side plate; 221. dovetail groove; 23. main board; 3. motor; 31. bearing; 32. pad; 4. impeller; 41. positioning ring; 42. slot; 43. positioning slot; 44. blade; 45. boss; 46. baffle; 47. protrusion; 5. upper guard plate; 51. movable part; 52. block; 6. side guard plate; 61. slider; 62. slot; 7. front guard plate; 71. groove. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-5 This application is described in further detail.

[0035] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0037] Embodiment 1, this application embodiment discloses a high-efficiency energy-saving shot blasting machine. Figure 1 and Figure 2 A high-efficiency and energy-saving shot blasting machine includes a base 1, and a shell 2 with an open bottom is fixed on the upper side of the base 1. The shell 2 includes a top plate 21, two side plates 22 and two main plates 23, and these plates together form a cavity. One of the main plates 23 is provided with a through hole, and a motor 3 is installed on one side of the main plate 23. The output shaft of the motor 3 extends into the cavity through the through hole, and a bearing 31 is provided at the position of the output shaft of the motor 3 corresponding to the through hole. The inner ring of the bearing 31 is connected to the output shaft of the motor 3, and the outer ring of the bearing 31 is connected to the main plate 23, so as to achieve stable support for the output shaft of the motor 3. The other main plate 23 is connected to the two side plates 22 by bolts, and is provided with an input port for inputting steel shots. An impeller 4 and a plurality of blades 44 are also provided in the shell 2. The impeller 4 is coaxially arranged with the output shaft of the motor 3, and the motor 3 can drive the impeller 4 to drive the blades 44 to rotate. The motor 3 drives the impeller 4 to rotate. When the impeller 4 and the blades 44 vibrate during the rotation of the shot blasting machine, the vibration of the impeller 4 drives the output shaft of the motor 3 to vibrate. At this time, the additional bearing 31 will provide a supporting force for the output shaft of the motor 3, reduce the vibration of the output shaft, increase the stability of the output shaft of the motor 3, and thus improve the service life of the shot blasting machine.

[0038] Reference Figure 3, a plurality of blades 44 are arranged in an array around the impeller 4, and the impeller 4 includes two positioning rings 41 of the same structure, and the two positioning rings 41 are symmetrically provided with a slot 42 on the opposite side, and each blade 44 has an I-shaped cross section, and both ends of the cross section of the blade 44 are engaged in the slot 42. The slot 42 is further provided with a positioning slot 43 near the inner diameter of the impeller 4, and the positioning slot 43 is connected to the slot 42. A boss 45 capable of being engaged in the positioning slot 43 is fixed on the blade 44. In particular, the boss 45 is designed in an arc shape, and the positioning slot 43 is also a groove body matching the boss 45. Such a design not only realizes the firm fixation of the blade 44 and prevents it from being offset during the rotation process, but also significantly improves the stability of the blade 44 by increasing the contact area between the boss 45 and the positioning slot 43. At the same time, the increase in the contact area between the boss 45 and the positioning slot 43 reduces the possibility of the blade 44 being damaged due to shear force during the rotation process. If the boss 45 has edges and corners, the edges and corners of the boss 45 will be damaged under the action of shear force, which will increase the shaking of the blade 44 in the positioning groove 43, thereby making the shaking of the impeller 4 more serious, and further increasing the shaking of the output shaft of the motor 3. Therefore, the design of the arc-shaped boss 45 can further reduce the shaking of the output shaft and increase the stability of the output shaft of the motor 3.

[0039] The impeller 4 near the motor 3 is connected to a baffle 46 by bolts on one side thereof. An annular protrusion 47 is arranged at a position corresponding to the baffle 46 on the side of the impeller 4 near the motor 3. An annular groove is provided at a position corresponding to the protrusion 47 on the baffle 46. The protrusion 47 is located in the annular groove. The setting of the protrusion 47 can effectively prevent steel shots from entering from the gap between the impeller 4 and the baffle 46.

[0040] Further, see Figure 1 The bottom of the motor 3 is bolted with a pad 32, and the motor 3 is placed above the base 1 through the pad 32. The important function of the pad 32 is to ensure that the axis of the output shaft of the motor 3 is completely flush with the axis of the through hole, so that the motor 3 can drive the impeller 4 to rotate more smoothly and efficiently.

[0041] In addition, refer to Figure 2 The inner wall of the top plate 21 is connected to the upper guard plate 5 by bolts, the inner wall of the side plate 22 is connected to the side guard plate 6 by bolts, and the inner wall of the main plate 23 is connected to the front guard plate 7 by bolts. The upper guard plate 5, the side guard plate 6 and the main guard plate can reduce the damage of the steel shot to the top plate 21, the side plate 22 and the main plate 23, protect the inner wall of the shell 2, and thus effectively extend the service life of the entire shot blaster. The front guard plate 7 close to the baffle 46 is provided with an annular groove 71 on the side close to the baffle 46, and the baffle 46 is rotatably connected to the front guard plate 7 in the groove 71. The setting of the groove 71 can effectively prevent the steel shot from entering the position of the bearing 31 from the gap between the front guard plate 7 and the baffle 46, thereby improving the reliability of the shot blaster.

[0042] The implementation principle of the embodiment 1 of the present application is as follows: the steel shot is input into the interior of the housing 2 through the input port, and the motor 3 drives the impeller 4 and the blade 44 to rotate to accelerate the input steel shot, so that the steel shot flies out from the bottom opening of the housing 2 to process the workpiece. When the impeller 4 and the blade 44 rotate to accelerate the input steel shot, the shaking of the impeller 4 drives the output shaft of the motor 3 to shake. At this time, the additional bearing 31 will give the output shaft of the motor 3 a supporting force, reduce the shaking of the output shaft, and increase the stability of the output shaft of the motor 3, thereby improving the service life of the shot blaster. At the same time, the increase in the contact area between the boss 45 and the positioning groove 43 reduces the possibility of the blade 44 being destroyed due to the shear force during the rotation process, further increases the stability of the output shaft of the motor 3, and at the same time, by setting the upper guard plate 5 on the inner wall of the top plate 21, the side guard plate 6 on the inner wall of the side plate 22, and the positive guard plate 7 on the inner wall of the main board 23, the inner wall of the housing 2 is protected, and the service life of the housing 2 is extended.

[0043] Example 2, based on Example 1, refer to Figure 4 The top plate 21 is provided with an observation port, and an observation portion 211 is hinged at the observation port position, and the side of the observation portion 211 away from the hinge position is fixed to the top plate 21 by bolts. At the same time, the upper guard plate 5 is designed as a movable portion 51 at the position corresponding to the observation port, and the movable portion 51 can be easily removed from the observation port, thereby greatly facilitating the user to observe and maintain the inside of the housing 2.

[0044] Reference Figure 5 In order to install the movable part 51 more stably, one end thereof close to the observation part 211 is designed as a step portion. At the same time, a step groove that perfectly matches the step portion is also provided on the upper guard plate 5 at the position corresponding to the movable part 51. Through the tight engagement between the step portion and the step groove, the movable part 51 can be very stably installed on the upper guard plate 5. Several arc-shaped protrusions are fixedly connected to one side of the observation part 211 close to the movable part 51. When the observation part 211 is bolted to the top plate 21, the protrusions abut against the surface of the movable part 51 to ensure the tight connection between the movable part 51 and the upper guard plate 5.

[0045] When the impeller 4 and the blades 44 drive the steel shot to rotate, the steel shot will hit the side guard plate 6 and the upper guard plate 5, so the wear of the side guard plate 6 and the upper guard plate 5 will be more serious than that of the main guard plate. When the side guard plate 6 and the upper guard plate 5 are seriously worn, they need to be replaced. In the prior art, when replacing the upper guard plate 5 and the side guard plate 6, it is necessary to detach the main board 23 from the shell 2, release several bolts of the top plate 21 and the side plate 22, and then take out the guard plate, and the replacement process is relatively cumbersome.

[0046] Reference Figure 5To this end, the top plate 21 and the side plate 22 are detachably connected by bolts. A dovetail-shaped slider 61 can be provided on the side of the side guard plate 6 close to the shell 2 along its length direction, and the side plate 22 is fixed with a dovetail groove 221 matching it at the position corresponding to the slider 61. Through the close fit between the slider 61 and the dovetail groove 221, the side plate 22 and the side guard plate 6 can achieve a very stable and precise connection. At the same time, the two ends of the upper guard plate 5 can be placed above the two side guard plates 6, and the upper guard plate 5 can also be fixed with a block 52 at the end position corresponding to the side guard plate 6. At the same time, the upper end of the side guard plate 6 is correspondingly provided with a slot 62 that can accommodate the block 52. Through the tight insertion of the block 52 and the slot 62, a stable and convenient connection can also be achieved between the upper guard plate 5 and the side guard plate 6. There will be a gap at the connection between the upper guard plate 5 and the side guard plate 6, and the high-speed rotating steel balls will fly out from the gap and cause damage to the shell 2. The setting of the block 52 and the slot 62 can reduce the possibility of steel balls flying out from the gap, thereby reducing the damage to the shell 2.

[0047] By separating the top plate 21 from the shell 2 to form an upper opening, the upper guard plate 5 can be taken out for replacement, and at the same time, the side guard plates 6 on both sides are slid upward and taken out from the upper opening, so that the two side guard plates 6 can be replaced. In this way, the upper guard plate 5 and the side guard plates 6 can be easily replaced without disassembling other structures.

[0048] The implementation principle of a high-efficiency and energy-saving shot blasting machine in Example 2 of the present application is as follows: the setting of the observation port and the movable part 51 of the upper guard plate 5 allows the user to easily observe the internal situation of the equipment. Due to the impact of the steel shot when the equipment is working, the side guard plate 6 and the upper guard plate 5 are easily worn. In order to simplify the replacement process, the top plate 21, the side plate 22 and the main board 23 are connected by bolts to achieve a detachable design. The side guard plate 6 is connected to the side plate 22 through the cooperation of the dovetail groove 221 and the slider 61, while the upper guard plate 5 is connected to the side guard plate 6 through the plug-in connection of the block 52 and the slot 62. This design allows the user to easily remove and replace the upper guard plate 5 and the side guard plate 6 from the upper opening by simply removing the top plate 21 without disassembling the entire device, which greatly improves the convenience of maintenance.

[0049] The embodiment of the present application has the effect of increasing the stability of the output shaft of the motor 3 and improving the service life of the shot blasting machine.

[0050] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-efficiency and energy-saving shot blasting machine, characterized in that: The invention comprises a base (1), wherein a housing (2) with an open bottom is fixedly arranged on the upper side of the base (1), wherein the housing (2) comprises a top plate (21), two side plates (22) and two main plates (23), wherein the top plate (21), the two side plates (22) and the two main plates (23) together form a cavity, wherein one of the main plates (23) is provided with a through hole, wherein a motor (3) is arranged on one side of the main plate (23), wherein an output shaft of the motor (3) extends into the cavity through the through hole, wherein a bearing (31) is arranged at a position of the output shaft of the motor (3) corresponding to the through hole, wherein the output shaft of the motor (3) is connected to the main plate (23) via the bearing (31), wherein an impeller (4) and blades (44) are arranged in the housing (2), wherein the motor (3) can drive the impeller (4) to drive the blades (44) to rotate; The impeller (4) comprises two positioning rings (41) of identical structure, the two positioning rings (41) are symmetrically provided with clamping grooves (42), and the blades (44) are clamped in the clamping grooves (42); the clamping grooves (42) are provided with positioning grooves (43) at positions close to the inner diameter of the impeller (4), and the blades (44) are fixedly provided with bosses (45) clamped in the positioning grooves (43); the bosses (45) are arc-shaped, and the bosses (45) match the positioning grooves (43).

2. The high-efficiency energy-saving shot blasting machine according to claim 1, characterized in that: A pad (32) is provided at the bottom of the motor (3), and the motor (3) is arranged above the base (1) through the pad (32). Under the action of the pad (32), the axis of the output shaft of the motor (3) is flush with the axis of the through hole.

3. The high-efficiency energy-saving shot blasting machine according to claim 1, characterized in that: An upper guard plate (5) is provided on the inner wall of the top plate (21), a side guard plate (6) is provided on the inner wall of the side plate (22), and a front guard plate (7) is provided on the inner wall of the main plate (23).

4. The high-efficiency energy-saving shot blasting machine according to claim 3, characterized in that: The top plate (21) is provided with an observation port, and an observation portion (211) is hingedly connected to the top plate (21) at a position corresponding to the observation port through a hinge, and a movable portion (51) is provided at a position corresponding to the observation port on the upper guard plate (5), and the movable portion (51) can be taken out from the observation port.

5. The high-efficiency energy-saving shot blasting machine according to claim 4, characterized in that: The movable part (51) is provided with a step portion at one end close to the observation part (211); the upper guard plate (5) is provided with a step groove matching the step groove at a position corresponding to the movable part (51); the step groove is provided on the step portion to realize the installation of the movable part (51) and the upper guard plate (5).

6. The high-efficiency energy-saving shot blasting machine according to claim 3, characterized in that: The top plate (21) is detachably connected to the side plates (22) and the main plate (23) via bolts, and both ends of the upper guard plate (5) are placed above the side guard plates (6).

7. The high-efficiency energy-saving shot blasting machine according to claim 6, characterized in that: A dovetail-shaped slider (61) is provided on one side of the side guard plate (6) close to the shell (2) along the length direction of the side guard plate (6); a dovetail groove (221) matching the slider (61) is provided on the side plate (22) at a position corresponding to the slider (61); the slider (61) cooperates with the dovetail groove (221) to achieve the connection between the side plate (22) and the side guard plate (6).

8. The high-efficiency energy-saving shot blasting machine according to claim 6, characterized in that: A clamping block (52) is provided at an end position of the upper guard plate (5) corresponding to the side guard plate (6); a slot (62) is provided at the upper end of the side guard plate (6); and the clamping block (52) is inserted into the slot (62) to realize the connection between the upper guard plate (5) and the side guard plate (6).

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