TWI758637B - Impeller structure and projection equipment - Google Patents

Abstract

An impeller structure comprising two plates, connecting components and blades. The plates comprise holes, locking holes and snap-in slots. The snap-in slots comprise an outer slot and a limit slot. Two ends of the connecting components are respectively connected to the plates through the locking holes. The blade comprises a body and two protrusions. The body comprises two lateral walls. The blades are set between the plates. Under high-speed rotation, the blades move toward the outer edge of the plate due to centrifugal force. The lateral wall is snapped into the snap-in slot and tightly matched with the outer slot. The protrusions are snapped into the limit slot and restricts the displacement of the protrusions. The impeller structure has the effect of easy disassembly and assembly, and can withstand high speeds. The invention further provides a projection equipment with the impeller structure.

Description

Impeller structure and projection equipment

An impeller structure containing blades suitable for high-speed blasting use. The invention also relates to a projection device comprising an impeller structure.

Sandblasting is a destructive processing method for the surface of the material. It uses fine abrasive sand particles to impact the surface of the material, so that the surface of the material is formed with granulated depressions to form a fog surface or an eroded surface, so as to achieve gold rust removal, Deoxidized layer, beautification, atomization, matting and other purposes, and can improve the surface finish of the material, so it is widely used.

In order to achieve the above purpose, the impact speed and force of the sand particles on the surface of the material are very important. Generally speaking, the sand material is projected with a blade runner structure. However, the traditional blade runner structure has a limited rotational speed and cannot make the surface of the material obtain a full-flake smoothness. In addition, the disassembly and assembly of the structure is difficult and complicated, and it takes time to replace the blades.

Therefore, an embodiment of the present invention provides a high-speed blade, which includes a body and a protruding portion. The body includes a first end wall, two lateral walls and a second end wall, the first end wall is separated from the first end wall by the two lateral walls, and is inside the first end wall, the two lateral walls and the second end wall There are two opposite throwing grooves, and the bottom surface of each throwing groove is a throwing face.

The two protruding parts are respectively arranged on both sides of the main body, and each is connected to each side wall and is close to the first end wall.

As mentioned above, in an embodiment, the distance between the side walls is gradually shortened by extending from the first end wall to the second end wall.

As in the above-mentioned high-rotation blade, in one embodiment, the parabolic surface extends from the second end wall to the first end wall at an inclined angle.

As mentioned above, in one embodiment, each lateral wall includes an upper end edge and an opposite lower end edge, and the distance between the upper end edge and the lower end edge gradually decreases from the first end surface wall to the second end surface wall.

For the above-mentioned high-speed blade, in one embodiment, the outer peripheral surface of each protruding portion includes a bottom surface, two side surfaces and a top surface, the bottom surface is flush with the first end surface wall, and the top surface is the first peripheral surface, The distance between the two side faces is smaller than the distance between the two side face walls.

The present invention also provides an impeller structure according to an embodiment, which includes two rotating discs, a plurality of connecting components and a plurality of the above-mentioned high-speed blades.

Each turntable includes a hole, a plurality of locking holes and a plurality of clamping slots, the hole is located in the center of the turntable, the locking hole and the clamping slot are located outside the hole, and the locking holes and the clamping slot are arranged staggered with the hole as the point symmetry center; Each of the clamping slots communicates with the holes and extends on the outer edge of the turntable. Each clamping slot includes an outer slot and a limit slot. The limit slot is located in the outer slot, communicates with the holes and extends toward the outer edge of the turntable. The limit slot includes two side surfaces. The wall and the limit surface wall, the two sides of the limit surface wall are respectively connected with the side wall. The two ends of each connecting component are connected to the turntable through the locking holes respectively; a plurality of high-speed blades are arranged between the turntables, wherein the lateral wall of each high-speed blade is clamped in the clamping groove, and the protruding part is clamped in the limit groove.

In the above-mentioned impeller structure, in one embodiment, the distance between the two side walls of each engaging groove gradually shortens from the hole to the outer edge of the wheel disk.

In the impeller structure as described above, in one embodiment, the side walls of each engaging groove include The top edge and the bottom edge, and the distance between the top edge and the bottom edge, extend from the outer edge of the hole to the outer edge of the turntable and gradually shorten.

In the above-mentioned impeller structure, in one embodiment, the limiting surface wall of each limiting groove is the second circumferential surface.

The present invention further provides a projection apparatus according to an embodiment, which includes a feeding device, a projection device and a power rotating device. The feeding device includes a receiving port; the projection device is communicated with the feeding device, the projection device includes a rotating shaft assembly and the above-mentioned impeller structure, and the two ends of the rotating shaft assembly are respectively arranged in the holes, which include a discharge port; the power rotating device includes a drive shaft, It is connected with the rotating shaft assembly of the impeller structure to drive the impeller structure to rotate.

Through one or more of the above embodiments, the high-speed blade has a simple structure and high strength. It is easy to be used in combination with the turntable. With this impeller structure, it is easy to assemble and disassemble, and the speed range that can be tolerated is 5000rpm to 40000rpm. The frequency is variable. Compared with the traditional impeller structure, it can effectively increase the speed and make the effect of sandblasting more obvious. ,Efficient.

In addition, the present invention also proposes an embodiment of a projection device using the above-mentioned high-speed blade and impeller structure, which can be widely used in industries and fields that require sandblasting.

100: Projection Equipment

1: Projection device

11: Shell

12: Impeller structure

121: High speed blades

1211: Ontology

1211a: First end wall

1211b: Second end wall

1211c: Lateral facing wall

1212: Projection

1212a: Top face

1212b: Bottom face

1212c: Lateral face

1213: Pick up the throw slot

1213a: Pickup

122: Turntable

1221: Hole

1222: Locking hole

1223: snap slot

1223a: Outer groove

1223b: Limit slot

12231: Side Wall

12232: Limit face wall

123: Connect Components

124: Rotary shaft assembly

1241: discharge port

1242: outer cylinder

1243: Inner cylinder

14: jet port

2: Feeding device

21: receiving port

3: Power rotating device

31: Drive shaft

L1: Distance

L2: Distance

L3: Distance

A: Inclination angle

[FIG. 1] is a schematic diagram of the appearance of an embodiment of the high-speed blade of the present invention.

[FIG. 2] is an exploded schematic view of an embodiment of the impeller structure of the present invention.

[FIG. 3] is a schematic diagram of the combination of an embodiment of the impeller structure of the present invention.

FIG. 4 is a schematic view of the appearance of an embodiment of the projection apparatus of the present invention.

Please refer to FIG. 1 , which is an external view of an embodiment of the high-speed blade 121 of the present invention intention.

The high-speed blade 121 includes a body 1211 and a protruding portion 1212 . The main body 1211 includes a first end wall 1211a, two lateral walls 1211c and a second end wall 1211b. The first end wall 1211a is separated from the first end wall 1211a by the two lateral walls 1211c, and is on both sides of the first end wall 1211a and the first end wall 1211a. The facing wall 1211c and the second end wall 1211b are provided with two opposite throwing grooves 1213, and the bottom surface of each throwing groove 1213 is a throwing face 1213a. The polished surface 1213a is used as the receiving surface of the sand particles, and the sand particles are projected to the surface of the material through centrifugal force during rotation to achieve the effects of removing gold rust, deoxidizing layer, beautifying, atomizing, and matting.

The two protruding portions 1212 are respectively disposed on two sides of the main body 1211 , respectively connected to each lateral wall 1211c and close to the first end wall 1211a. In this embodiment, the protruding portion 1212 and the body 1211 are integrally formed. In some embodiments, the protrusions 1212 are connected to each lateral wall 1211c in a locking manner. In addition, in this embodiment, the outer peripheral surface of each protruding portion 1212 includes a bottom surface 1212b, two side surfaces 1212c and a top surface 1212a, the bottom surface 1212b is flush with the first end surface wall 1211a, and the top surface 1212a is the first circumference The distance between the two side surfaces 1212c is smaller than the distance between the two side walls 1211c.

In addition, in this embodiment, the distance L1 between the lateral wall 1211c is gradually shortened as the first end wall 1211a extends from the second end wall 1211b. However, the present invention does not limit the gradually shortened ratio and size. With this structure, when the part of the projection surface 1213a close to the second end wall 1211b is rotated, the force of projecting the sand particles will increase.

In addition, in this embodiment, the parabolic surface 1213a extends from the second end wall 1211b to the first end wall 1211a at an inclination angle α. The size of the inclination angle α is related to the number of sand particles that can be received by the projection receiving surface 1213a and the strength of the projection force, which is not limited in the present invention.

In addition, in this embodiment, each lateral wall 1211c includes an upper end edge and an opposite lower end edge, and the distance L2 between the upper end edge and the lower end edge is gradually shortened from the first end surface wall 1211a to the second end surface wall 1211b. As mentioned above, the present invention does not limit the proportion and size of the gradually shortened distance.

In some embodiments, the material of the high-speed blade 121 is made of alloy steel, but the present invention is not limited to the material. In some embodiments, the high-speed blade 121 can be made of other metal materials or alloys.

Please refer to FIG. 2 and FIG. 3 , which are respectively exploded and assembled schematic views of an embodiment of the impeller structure 12 of the present invention. The impeller structure 12 includes two rotating discs 122 , a plurality of connecting elements 123 and a plurality of the above-mentioned high-speed blades 121 .

Each of the turntables 122 includes holes 1221, a plurality of locking holes 1222 and a plurality of snap grooves 1223. The holes 1221 are located in the center of the turntable 122, and a rotating component for storing sand particles can be arranged in the holes 1221, such as a cylinder groove, which has a discharge port 1241. The received sand particles can be discharged onto the polishing surface 1213a, which will be described in detail later.

The locking hole 1222 and the locking slot 1223 are located outside the hole 1221 , and the locking hole 1222 and the locking slot 1223 are staggered with the hole 1221 as the point symmetry center.

Each clamping slot 1223 communicates with the hole 1221 and extends on the outer edge of the turntable 122 . Each clamping slot 1223 includes an outer slot 1223 a and a limiting slot 1223 b . The edge extends, the limiting groove 1223b includes two side walls 12231 and a limiting surface wall 12232, and two sides of the limiting surface wall 12232 are respectively connected with the side walls 12231.

Two ends of each connecting component 123 are connected to the turntable 122 through the locking holes 1222 respectively; A plurality of high-speed blades 121 are disposed between the turntables 122 , wherein the lateral wall 1211c of each high-speed blade 121 is engaged with the engaging groove 1223 , and the protruding portion 1212 is engaged with the limiting groove 1223 b .

That is to say, the structure of the clamping groove 1223 corresponds to the structure of the high-speed blade 121. The high-speed blade 121 is installed on the clamping groove 1223 in a fitting and clamping manner. When the turntable 122 rotates, due to the high rotation speed In this case, the high-speed blade 121 moves toward the outer edge of the turntable 122 due to centrifugal force, the lateral wall 1211c of the main body 1211 is tightly fitted with the outer groove 1223a of the engaging groove 1223, and the protruding portion 1212 is disposed in the limiting groove 1223b, limiting the The groove 1223b can limit the displacement of the protrusion 1212 .

With the impeller structure 12 mentioned above, it can withstand high rotation speed. Compared with the general projection structure, the speed and impact force of the blasting are improved, and the effect of blasting is more obvious.

In these embodiments, the structure of the engaging grooves 1223 corresponds to the structure of the high-speed blade 121 , for example, the distance L3 between the two side walls of each engaging groove 1223 gradually shortens from the hole 1221 to the outer edge of the roulette. However, the present invention does not limit the ratio or certain size of the shortened distance. The side walls of each engaging slot 1223 include a top edge and a bottom edge, and the distance between the top edge and the bottom edge is gradually shortened from the outer edge of the hole 1221 to the outer edge of the turntable 122 . In addition, in order to correspond to the top surface 1212a of the protruding portion 1212 being the first circumferential surface, the limiting surface walls 12232 of each limiting groove 1223b are the second circumferential surface.

Please refer to FIG. 4 , which is a schematic diagram of the appearance of an embodiment of the projection apparatus 100 of the present invention. The projection apparatus 100 includes a feeding device 2 , a projection device 1 and a power rotating device 3 . The feeding device 2 includes a receiving port 21 that can receive sand particles.

The projection device 1 communicates with the feeding device 2. The projection device 1 includes a housing 11 and an impeller structure 12. The impeller structure 12 is arranged in the housing 11. In some embodiments, the projection device 1 is a For the external type, there is no casing 11 . The purpose of installing the casing 11 is not only to effectively recover the sand particles, but also to avoid environmental pollution.

The casing 11 includes an injection port 14, which corresponds to the above-mentioned receiving surface 1213a when it rotates through the discharge port 1241, receives the discharged sand particles, and projects the sand particles out of the casing 11 through the injection port 14 due to centrifugal force, so that the Sand particles impinge on the surface of the material. In this embodiment, the rotating shaft assembly 124 includes an inner cylinder 1243 and an outer cylinder 1242. The inner cylinder 1243 communicates with the receiving port 21. The inner cylinder 1243 is further provided with a plurality of openings at intervals to assist in discharging the sand particles to the outside.

The power rotating device 3 includes a drive shaft 31 which is connected to the rotating shaft assembly 124 of the impeller structure 12 to drive the impeller structure 12 to rotate. In one embodiment, the power rotating device 3 is a motor.

The projection device 100 can be installed in different orientations in the system according to the processing direction of the material surface, for example, it is installed in a longitudinal orientation or in a lateral orientation. In other words, the projection apparatus 100 of the present invention is not limited to the processing direction of the material surface, and different settings are adopted depending on the needs of the industry.

Through one or more of the above embodiments, the high-speed blade has a simple structure and high strength. It is easy to be used in combination with a turntable. With this impeller structure, it is easy to assemble and disassemble, and it can withstand a rotating speed range of 4000rpm to 50000rpm. The frequency is variable. Compared with the traditional impeller structure, it can effectively increase the speed and make the effect of sandblasting more obvious. , efficient, and solve the problems encountered by the previous technology.

In addition, the present invention also proposes an embodiment of a projection device using the above-mentioned high-speed blade and impeller structure, which can be widely used in industries and fields that require sandblasting.

12: Impeller structure

121: High speed blades

122: Turntable

1221: Hole

1222: Locking hole

1223: snap slot

1223a: Outer groove

1223b: Limit slot

12231: Side Wall

12232: Limit face wall

123: Connect Components

124: Rotary shaft assembly

1241: discharge port

1242: outer cylinder

1243: Inner cylinder

L3: Distance

Claims (7)

An impeller structure includes: two turntables, each comprising a hole, a plurality of locking holes and a plurality of clamping slots, the hole is located in the center of the turntable, the locking holes and the clamping grooves are located outside the hole, and the The locking hole and the clamping grooves are staggered with the hole as a point of symmetry; each of the clamping grooves communicates with the hole and extends on the outer edge of the turntable, and between the two side walls of each of the clamping grooves, defines A distance between the side walls and the outer edge of the turntable is gradually shortened from the hole to the outer edge of the turntable. Each of the engaging slots includes an outer slot and a limiting slot. The limiting slot is located in the outer slot and communicates with the hole and Extending toward the outer edge of the turntable, the limiting slot includes two side walls and a limiting surface wall, two sides of the limiting surface wall are respectively connected with the side walls; a plurality of connecting components, the two ends of each connecting component are respectively connected to the side walls. The locking holes are connected to the turntables; and a plurality of high-speed blades, each comprising: a body including a first end wall, two lateral walls and a second end wall, the first end wall passing through the two The lateral wall is separated from the first end wall, and two opposite throwing grooves are opened in the first end face wall, the two lateral face walls and the second end face wall, and the bottom surface of each throwing groove is a and two protruding parts, arranged on both sides of the body, respectively connected to each of the side walls, and close to the first end wall; wherein, each of the high-speed blades is arranged on the turntables between, and the lateral wall of each of the high-speed blades is clamped in the clamping groove, and the protruding portion is clamped in the limiting groove; Wherein, each of the lateral walls of the high-speed blade includes an upper end edge and an opposite lower end edge, and an end edge distance is defined between the upper end edge and the lower end edge, and the end edge distance extends from the first end surface wall. The second end wall is gradually shortened, and the distance between the end edge corresponds to the distance from the side wall. When rotating at a rotational speed, the high-speed blade moves toward the outer edge of the turntable due to a centrifugal force, so that the side wall is tightly connected to the outer groove. so that the limiting groove limits the displacement of the protruding part. The impeller structure of claim 1, wherein the distance between the side walls of the high-speed blade is gradually shortened as the first end wall extends from the second end wall. The impeller structure of claim 1, wherein the parabolic surface of the high-speed blade extends from the second end wall to the first end wall at an inclined angle. The impeller structure of claim 1, wherein the outer peripheral surface of each of the protruding parts of the high-speed blade includes a bottom surface, two side surfaces and a top surface, and the bottom surface is flush with the first end surface wall, The top surface is a first circumferential surface, and the distance between the side surfaces is smaller than the distance between the side walls. The impeller structure of claim 1, wherein a side wall of each of the engaging grooves includes a top edge and a bottom edge, and the distance between the top edge and the bottom edge extends from the outer edge of the hole to the outer edge of the turntable gradually shortened. The impeller structure of claim 1, wherein the limiting surface wall of each of the limiting grooves is a second circumferential surface. A projection device, comprising: a feeding device including a receiving port; a projection device communicating with the feeding device, the projection device comprising: The impeller structure according to claim 1; and a rotating shaft assembly, two ends of which are respectively disposed in the holes, including a discharge port; and a power rotating device, including a drive shaft, the drive shaft and the impeller structure The rotating shaft assembly is connected to drive the impeller structure to rotate.

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