Shot blasting machine for belt pulley

Abstract

The shot blasting machine comprises a shot blasting box and a shot guide hopper, the shot guide hopper is arranged on the inner wall of the lower portion of the shot blasting box, a shot outlet pipe is arranged in the middle of the bottom of the shot guide hopper and extends to the outer side of the shot blasting box, and connecting blocks are arranged on the inner side wall of the shot outlet pipe in a staggered mode. And inclined plates are fixedly connected into the connecting blocks of the shot outlet pipe through rotating shafts, springs are arranged on the inner sides of the inclined plates, the other ends of the springs are connected with the inner wall of the shot outlet pipe, an arc-shaped dust suction pipe is arranged in the shot blasting box on the outer sides of the connecting plates, and a collecting box is arranged in the middle of one side of the top of the shot blasting box. And a magnetic suction plate is arranged at the bottom in the collecting box. According to the shot blasting machine, shot blasting is buffered during shot discharging, damage caused by too large impact force of the shot blasting machine can be prevented, dust and scrap iron on a workpiece can be sucked after shot blasting is finished, the scrap iron can be conveniently collected, and resources can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of shot blasting machines, in particular to a shot blasting machine for belt pulleys. Background Art

[0002] A shot blasting machine for belt pulleys is a casting equipment that uses high-speed projectiles to clean or strengthen the surface of castings, and is suitable for sand cleaning, rust removal, scale removal and surface strengthening of small castings, forgings, stampings, gears, springs and other parts.

[0003] In the prior art, when a general shot blasting machine is in use, the projectiles are not buffered during feeding, which will cause them to continuously impact the inner wall and cause damage, resulting in certain losses. Moreover, after shot blasting, the iron filings and dust on the surface of the workpiece are not collected, resulting in certain waste. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a shot blasting machine for belt pulleys to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A shot blasting machine for belt pulleys, including a shot blasting chamber and a shot guiding hopper. The shot guiding hopper is provided on the inner wall below the shot blasting chamber, and the shot guiding hopper is evenly provided with holes with diameters smaller than the projectiles. The middle position at the bottom of the shot guiding hopper is provided with a shot outlet pipe and extends to the outside of the shot blasting chamber. Connecting blocks are staggered on the inner side wall of the shot outlet pipe, and inclined plates are fixedly connected to the connecting blocks of the shot outlet pipe through rotating shafts. Springs are provided on the inner sides of the inclined plates, and the other ends of the springs are connected to the inner wall of the shot outlet pipe. The middle position at the top inside the shot blasting chamber is provided with a connecting plate, and an arc-shaped dust suction pipe is provided inside the shot blasting chamber on the outside of the connecting plate. The inner side of the arc-shaped dust suction pipe is evenly provided with dust suction ports. The middle position on one side of the top of the shot blasting chamber is provided with a collection box, and a telescopic connecting pipe is provided at the top end of one side of the collection box. One end of the connecting pipe penetrates through the shot blasting chamber and is connected to the arc-shaped dust suction pipe, and the other end of the connecting pipe extends into the collection box. A magnetic adsorption plate is provided at the bottom inside the collection box, and an L-shaped baffle is provided at the bottom end of one side inside the collection box. After the projectiles enter the shot outlet pipe, the inclined plates can buffer the falling projectiles under the action of the springs and the connecting blocks, preventing excessive impact force from causing damage, and also facilitating the collection of the projectiles. When the shot blasting is over, the arc-shaped dust suction pipe can be lowered to the workpiece to suck dust, and the dust and iron filings on the workpiece can be sucked into the collection box. The magnetic adsorption plate can adsorb the iron filings, facilitating the collection of the iron filings and saving resources.

[0006] Preferably, an outer cover is provided at the middle position of the top of the shot blasting chamber, and three groups of slots are evenly provided at the bottom inside the outer cover and the top of the shot blasting chamber.

[0007] Preferably, a turning handle is provided on one side of the outer cover, and a rotating rod at one end of the turning handle penetrates through the outer cover and is fixedly connected to a lead screw, and a threaded block is provided on the lead screw.

[0008] Preferably, a sliding rod is provided on the other side inside the outer cover, and a sliding block is provided on the sliding rod at a position corresponding to the threaded block. The bottoms of the sliding block and the threaded block are both connected to the connecting plate through slots, so that the threaded block and the sliding block on the lead screw and the sliding rod drive the connecting plate to move back and forth, facilitating loading and unloading of materials.

[0009] Preferably, a motor is provided at the middle position of the top of the connecting plate, and the output end of the motor penetrates through the connecting plate and is fixedly connected to a rotating shaft. The other end of the rotating shaft is fixedly connected to a rotating block, and a hanging bracket is provided at the bottom of the rotating block.

[0010] Preferably, telescopic rods are provided on both sides of the top of the shot blasting box at positions corresponding to the arc-shaped dust suction pipes, and the output ends of the telescopic rods penetrate through the shot blasting box and are connected to the arc-shaped dust suction pipes, so that the telescopic rods drive the arc-shaped dust suction pipes to lift and lower, and dust can be sucked from the workpieces.

[0011] Preferably, an exhaust fan is provided on the shot blasting box corresponding to one side of the L-shaped baffle, and the output end of the exhaust fan extends to the inside of the L-shaped baffle.

[0012] Preferably, a shot blasting pipe is provided on the inner wall of the shot blasting box on one side above the shot guiding hopper, a water tank is provided inside the shot blasting box below the shot guiding hopper, and a drain pipe is provided at the bottom of one side of the shot blasting box, so that the falling dust contacts the water and precipitates, which can reduce the flying of dust debris.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this shot blasting machine for pulley, the shot is introduced into the shot outlet pipe through the shot guiding hopper. The inclined plate can buffer the falling shot under the action of the spring and the connecting block, preventing damage caused by excessive impact force, and also facilitating the collection of the shot. After the shot blasting is completed, the telescopic rod can be started to drive the arc-shaped dust suction pipe to move down to the workpiece, the workpiece can be continuously rotated, and the exhaust fan can be started to suck air and dust through the telescopic connecting pipe and the arc-shaped dust suction pipe, sucking the dust and iron filings on the workpiece into the collection box. The magnetic adsorption plate can adsorb the iron filings, facilitating the collection of the iron filings and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0015] Figure 2 It is of the present utility model Figure 1 The enlarged structure schematic diagram at A in;

[0016] Figure 3 It is a side view sectional structure schematic diagram of the collection box of the present utility model;

[0017] Figure 4 It is a schematic top view sectional structure diagram of the outer cover of the present utility model;

[0018] Figure 5 It is a schematic top view structure diagram of the arc-shaped dust suction pipe of the present utility model;

[0019] In the figure: 1, shot blasting box; 2, shot guiding hopper; 3, collection box; 4, telescopic rod; 5, connecting pipe; 6, outer cover; 7, arc-shaped dust suction pipe; 8, shot blasting pipe; 9, motor; 10, rotating block; 11, connecting plate; 12, rotating shaft; 13, hanging rack; 14, shot outlet pipe; 15, inclined plate; 16, spring; 17, exhaust fan; 18, L-shaped baffle; 19, magnetic attraction plate; 20, lead screw; 21, threaded block; 22, turning handle; 23, sliding rod; 24, sliding block. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-5, an embodiment provided by the present utility model: a shot blasting machine for a pulley, comprising a shot blasting box 1 and a shot guiding hopper 2. The shot guiding hopper 2 is provided on the inner wall below the shot blasting box 1. A shot blasting pipe 8 is provided on the inner wall of the shot blasting box 1 on one side above the shot guiding hopper 2. A water tank is provided in the shot blasting box 1 below the shot guiding hopper 2. A drain pipe is provided at the bottom on one side of the shot blasting box 1. The shot guiding hopper 2 is evenly provided with holes smaller than the shot. An outlet pipe 14 is provided at the middle position of the bottom of the shot guiding hopper 2 and extends to the outside of the shot blasting box 1. Connecting blocks are staggered on the inner side wall of the outlet pipe 14. Inclined plates 15 are fixedly connected to the connecting blocks of the outlet pipe 14 through rotating shafts. Springs 16 are provided on the inner sides of the inclined plates 15. The other ends of the springs 16 are connected to the inner wall of the outlet pipe 14. A connecting plate 11 is provided at the middle position of the inner top of the shot blasting box 1. An arc-shaped dust suction pipe 7 is provided in the shot blasting box 1 outside the connecting plate 11. Dust suction openings are evenly provided on the inner side of the arc-shaped dust suction pipe 7. A collection box 3 is provided at the middle position on one side of the top of the shot blasting box 1. A telescopic connecting pipe 5 is provided at the top end on one side of the collection box 3. One end of the connecting pipe 5 penetrates through the shot blasting box 1 and is connected to the arc-shaped dust suction pipe 7. The other end of the connecting pipe 5 extends into the collection box 3. A magnetic adsorption plate 19 is provided at the bottom inside the collection box 3. An L-shaped baffle 18 is provided at the bottom end on one side inside the collection box 3. Telescopic rods 4 are provided at both sides of the top of the shot blasting box 1 corresponding to the position of the arc-shaped dust suction pipe 7. The output ends of the telescopic rods 4 penetrate through the shot blasting box 1 and are connected to the arc-shaped dust suction pipe 7. A suction fan 17 is provided on the shot blasting box 1 corresponding to one side of the L-shaped baffle 18. The output end of the suction fan 17 extends to the inside of the L-shaped baffle 18. The shot blasting machine throws the shot towards the workpiece through the shot blasting pipe 8, and then conducts the flow through the shot guiding hopper 2, and makes the dust and debris fall into the water tank through the holes, contact with water and precipitate, which can reduce the flying of dust. Then the shot enters the outlet pipe 14 through the shot guiding hopper 2. The inclined plates 15 can buffer the falling shot under the action of the springs 16 and the connecting blocks, preventing the impact force from being too large and causing damage, and also facilitating the collection of the shot. When the shot blasting is over, the telescopic rods 4 can be started to drive the arc-shaped dust suction pipe 7 to move down to the workpiece, the workpiece can be rotated continuously, and the suction fan 17 can be started to suck dust through the telescopic connecting pipe 5 and the arc-shaped dust suction pipe 7, sucking the dust and iron filings on the workpiece into the collection box 3. The magnetic adsorption plate 19 can adsorb the iron filings, which is convenient for the collection of the iron filings, can save resources, and through the action of the L-shaped baffle 18, prevent the iron filings from being directly sucked into the suction fan 17, affecting the normal operation of the machine;

[0022] In the middle position at the top of the shot blasting chamber 1, there is an outer cover 6. At the bottom inside the outer cover 6 and on the top of the shot blasting chamber 1, three groups of slots are evenly arranged. On one side of the outer cover 6, there is a turning handle 22. One end of the rotating rod of the turning handle 22 penetrates through the outer cover 6 and is fixedly connected to a lead screw 20. A threaded block 21 is arranged on the lead screw 20. On the other side inside the outer cover 6, there is a sliding rod 23. At the position corresponding to the threaded block 21 on the sliding rod 23, there is a sliding block 24. The bottoms of the sliding block 24 and the threaded block 21 are connected to a connecting plate 11 through the slots. In the middle position at the top of the connecting plate 11, there is a motor 9. The output end of the motor 9 penetrates through the connecting plate 11 and is fixedly connected to a rotating shaft 12. The other end of the rotating shaft 12 is fixedly connected to a rotating block 10. At the bottom of the rotating block 10, there is a hanging rack 13. The operator rotates the turning handle 22 to drive the connecting plate 11 at the bottoms of the threaded block 21 and the sliding block 24 on the lead screw 20 and the sliding rod 23 to move to the loading position. Then, the workpiece can be hung on the hanging rack 13. Then, the turning handle 22 is rotated in the reverse direction to make the connecting plate 11 drive the workpiece on the hanging rack 13 to move back into the shot blasting chamber 1. When shot blasting starts, the motor 9 can be started to drive the rotating block 10 at the bottom of the rotating shaft 12 to rotate, so that the rotating block 10 drives the workpiece on the hanging rack 13 to rotate, facilitating shot blasting on different surfaces of the workpiece.

[0023] When the embodiment of the present application is in use, the operator rotates the turning handle 22 to drive the connecting plate 11 at the bottoms of the threaded block 21 and the sliding block 24 on the lead screw 20 and the sliding rod 23 to move to the loading position. Then, the workpiece can be hung on the hanging rack 13. Then, the turning handle 22 is rotated in the reverse direction to make the connecting plate 11 drive the workpiece on the hanging rack 13 to move back into the shot blasting chamber 1. When shot blasting starts, the motor 9 can be started to drive the rotating block 10 at the bottom of the rotating shaft 12 to rotate, so that the rotating block 10 drives the workpiece on the hanging rack 13 to rotate. At the same time, the shot blasting machine can throw the shot through the shot blasting pipe 8 onto the workpiece, facilitating shot blasting on different surfaces of the workpiece. Then, the shot is diverted through the shot guiding hopper 2, and the dust and debris fall into the water tank through the holes, are connected with water and precipitated, which can reduce the flying of dust. Then, the shot enters the shot discharging pipe 14 through the shot guiding hopper 2. The inclined plate 15 can buffer the falling shot under the action of the spring 16 and the connecting block, preventing damage caused by excessive impact force and facilitating the collection of the shot. When the shot blasting is over, the telescopic rod 4 can be started to drive the arc-shaped dust suction pipe 7 to move down to the workpiece, the workpiece can be continuously rotated, and the suction fan 17 can be started to suck air and dust through the telescopic connecting pipe 5 and the arc-shaped dust suction pipe 7, sucking the dust and iron filings on the workpiece into the collection box 3. The magnetic attraction plate 19 can adsorb the iron filings, facilitating the collection of the iron filings, saving resources, and preventing the iron filings from being directly sucked into the suction fan 17 under the action of the L-shaped baffle 18, affecting the normal operation of the machine. When it is not in use, the sewage in the water tank can be discharged into the treatment box through the drain pipe.

[0024] Obviously, the embodiments described above are only some of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0026] It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order different from those illustrated or described herein.

[0027] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A shot blasting machine for a pulley, characterized in that: The invention comprises a shot blasting box (1) and a shot guide bucket (2), wherein a shot guide bucket (2) is provided on the inner wall below the shot blasting box (1), and holes with a diameter smaller than that of the shot are evenly provided on the shot guide bucket (2), and a shot outlet pipe (14) is provided in the middle position of the bottom of the shot guide bucket (2) and extends to the outside of the shot blasting box (1), connecting blocks are staggered on the inner wall of the shot outlet pipe (14), and the connecting blocks of the shot outlet pipe (14) are fixedly connected with inclined plates (15) through rotating shafts, and springs (16) are provided on the inner sides of the inclined plates (15), and the other ends of the springs (16) are connected to the inner wall of the shot outlet pipe (14), and the middle position of the top of the shot blasting box (1) is provided. A connecting plate (11) is provided, and an arc-shaped ash suction pipe (7) is provided in the shot blasting box (1) outside the connecting plate (11), and ash suction ports are evenly arranged on the inner side of the arc-shaped ash suction pipe (7), a collecting box (3) is provided in the middle position of one side of the top of the shot blasting box (1), and a retractable connecting pipe (5) is provided at the top of one side of the collecting box (3), one end of the connecting pipe (5) passes through the shot blasting box (1) and is connected to the arc-shaped ash suction pipe (7), and the other end of the connecting pipe (5) extends into the collecting box (3), a magnetic suction plate (19) is provided at the bottom of the collecting box (3), and an L-shaped baffle (18) is provided at the bottom of one side of the collecting box (3).

2. A shot blasting machine for a pulley according to claim 1, characterized in that: An outer cover (6) is provided in the middle of the top of the shot blasting box (1), and three groups of slots are evenly provided on the inner bottom of the outer cover (6) and the top of the shot blasting box (1).

3. A shot blasting machine for a pulley according to claim 2, characterized in that: A turning handle (22) is provided on one side of the outer cover (6), and a turning rod at one end of the turning handle (22) penetrates the outer cover (6) and is fixedly connected to a screw rod (20), and a threaded block (21) is provided on the screw rod (20).

4. A shot blasting machine for a pulley according to claim 2, characterized in that: A sliding rod (23) is provided on the other side of the outer cover (6), and a sliding block (24) is provided on the sliding rod (23) at a position corresponding to the threaded block (21), and the bottoms of the sliding block (24) and the threaded block (21) are connected to the connecting plate (11) via a groove.

5. A shot blasting machine for a pulley according to claim 1, characterized in that: A motor (9) is provided at the middle position of the top of the connecting plate (11), and the output end of the motor (9) passes through the connecting plate (11) and is fixedly connected to a rotating shaft (12), the other end of the rotating shaft (12) is fixedly connected to a rotating block (10), and a hanging bracket (13) is provided at the bottom of the rotating block (10).

6. A shot blasting machine for a pulley according to claim 1, characterized in that: Telescopic rods (4) are provided at positions corresponding to the arc-shaped dust suction pipe (7) on both sides of the top of the shot blasting box (1), and the output ends of the telescopic rods (4) penetrate the shot blasting box (1) and are connected to the arc-shaped dust suction pipe (7).

7. A shot blasting machine for a pulley according to claim 1, characterized in that: An exhaust fan (17) is provided on the shot blasting box (1) on the side of the collection box (3) corresponding to the L-shaped baffle (18), and the output end of the exhaust fan (17) extends to the inside of the L-shaped baffle (18).

8. A shot blasting machine for a pulley according to claim 1, characterized in that: A shot blasting tube (8) is provided on the inner wall of the shot blasting box (1) on one side above the shot guide bucket (2), a water tank is provided in the shot blasting box (1) below the shot guide bucket (2), and a drainage pipe is provided at the bottom of one side of the shot blasting box (1).

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