CN209175544U - A kind of improved shot-blasting machine - Google Patents

Abstract

The utility model discloses an improved shot blasting machine, which relates to the technical field of surface treatment equipment. It includes a base, a shot blasting studio is arranged on the upper part of the base, a suspension hook is arranged above the inner wall of the shot blasting studio, a workpiece is suspended at the bottom of the suspension hook, and a shot blasting mechanism is arranged under the workpiece, and the shot blasting mechanism includes A driving wheel that is coaxially and fixedly connected to the output shaft of the first motor. Shot blasting rods are evenly spaced on the driving wheel. The shot blasting rod is L-shaped. The bending direction of the shot blasting rod is related to the rotation of the driving wheel. The directions are the same, and each shot blasting rod is located on the same central arc, and a screen is slidably arranged at the lower part of the shot blasting mechanism. The improved shot blasting machine of the utility model can timely separate shot peening with a finer diameter through the screen, which is beneficial to the polishing treatment of the workpiece surface, and the shot blasting mechanism of the utility model can continuously turn up the upper part of the screen. The shot peening makes the shot peening continuously and repeatedly used, which is beneficial to improve the efficiency of polishing treatment.

Description

An improved shot blasting machine

technical field

The utility model relates to the technical field of surface treatment equipment, in particular to an improved shot blasting machine.

Background technique

In the production process of the reducer, the iron and steel of the exhaust gas is cast in the mold. After casting, the casing of the reducer needs to enter the shot blasting machine for surface polishing because the surface contains more rust or dust. A certain gloss and flatness.

Shot blasting machine is a casting equipment that uses high-speed projectiles thrown by the shot blasting mechanism to clean or strengthen the surface of castings. The shot blasting machine can shake out, de-core and clean the castings at the same time. In some areas, it is also called sand blasting machine and sand blasting machine. However, the existing shot blasting machine will continue to wear and break down during the repeated recycling of shot peening. When part of the shot peening is worn and thinned, the impact force on the surface of the workpiece is reduced, resulting in the failure to meet the requirements. The effect of surface treatment affects subsequent processing and use. Meanwhile, the shot blasting mechanism in the prior art can only use shot blasting once during one polishing operation, which greatly reduces the efficiency of polishing treatment.

Utility model content

In view of the above shortcomings in the prior art, an improved shot blasting machine of the present utility model can separate the shot peening with a finer diameter in time through the screen, which is beneficial to the polishing treatment of the surface of the workpiece, and the shot blasting machine in the present utility model can The shot mechanism can continuously turn up the shot peening in the upper part of the screen, so that the shot peening can be continuously reused, which is beneficial to improve the efficiency of polishing treatment.

In order to achieve the above technical purpose, an improved shot blasting machine of the present invention includes a base, a shot blasting studio is arranged on the upper part of the base, a suspension hook is arranged above the inner wall of the shot blasting studio, and the bottom of the suspension hook is The workpiece is suspended, and a shot blasting mechanism is arranged below the workpiece. The shot blasting mechanism includes a driving wheel that is coaxially and fixedly connected to the output shaft of the first motor. Shot blasting rods are evenly spaced on the driving wheel. It is L-shaped, the bending direction of the shot blasting rod is consistent with the rotation direction of the driving wheel, and each shot blasting rod is located on the same central arc. The diameter direction of the shot blasting studio is arranged and passes through both sides of the shot blasting studio, wherein one end of the screen is hingedly installed with a connecting rod, the connecting rod is hingedly installed with a crank, and the crank is fixedly installed on the second On the output shaft of the motor, a third motor is also fixedly installed in the middle of the bottom of the shot blasting studio, and an eccentric wheel is fixedly installed on the output shaft of the third motor. The bottom of the screen is in gap contact.

Preferably, a spring is fixedly installed at the other end of the screen, the other end of the spring is fixedly installed on a fixing plate, and the bottom of the fixing plate is fixedly installed on the base.

Preferably, the top of the shot blasting studio is provided with a plurality of through holes evenly spaced, the upper part of the shot blasting studio is fixedly installed with a vacuum box with the same diameter, and the upper part of the vacuum box passes through the vacuum pipeline. A dust removal device is connected, and a dust suction fan is fixedly installed on the dust suction pipeline.

Further, the dedusting device includes a dedusting box, the lower part of the dedusting box is provided with an air inlet that is interconnected with the dust suction pipeline, the upper part of the dedusting box is provided with an air outlet, and the inside of the dedusting box is sequentially provided with a number of nozzles from bottom to top. A filter screen, a second filter screen, a third filter screen and a fourth filter screen, and the mesh apertures between the first filter screen, the second filter screen, the third filter screen and the fourth filter screen gradually decrease.

Further, the second filter screen is obliquely and fixedly installed on the first filter screen, and the fourth filter screen is obliquely and fixedly installed on the third filter screen.

Further, the inclination directions of the second filter screen and the fourth filter screen are opposite, and the included angle between the second filter screen and the first filter screen is smaller than the included angle between the fourth filter screen and the third filter screen.

Further, the orthographic projection of the fourth filter screen falls on the second filter screen.

Furthermore, a cleaning device is also provided above the fourth filter net, and the cleaning device includes a water tank fixedly installed on the upper part of the dust removal box, and the water tank is connected and fixedly installed on the water distribution plate inside the dust removal box through a water pipe. The lower part of the water distribution plate is connected with a nozzle, and the lower part of the dust box is provided with a water outlet.

Compared with the prior art, the utility model has the following beneficial effects: the workpiece is suspended inside the shot blasting studio through the hook, the shot blasting enters the shot blasting studio from the feeding port, and the first motor is started to drive the driving wheel to rotate, and the driving wheel is driven. The shot blasting rod on the wheel rotates accordingly, and the shot blasting rod can continuously throw the shot peening located in the upper part of the screen to polish the workpiece, so that the shot peening can be continuously reused, which is conducive to improving the efficiency of polishing; and At the same time, the second motor drives the crank to rotate, the crank drives the connecting rod to move left and right, and the screen mesh hinged with the connecting rod also moves left and right. In addition, the third motor also drives the eccentric wheel to rotate, and the eccentric wheel is in contact with the screen mesh. The screen can also be continuously vibrated. During the continuous movement and vibration of the screen, the shot peening located above the screen can be redistributed. Since the diameter of the shot peening after continuous polishing is smaller than that of the unpolished shot peening, In the process of continuous movement, on the one hand, all shot peening (including polished shot peening and unpolished shot peening) can be evenly distributed, and on the other hand, shot peening with gradually decreasing diameter can also be screened and dropped to the lower part of the screen. , which is beneficial to ensure the polishing effect of the workpiece.

Description of drawings

Fig. 1: structural representation of the present utility model;

In the figure: 1, base 2, shot blasting studio 3, hook 4, workpiece 5, driving wheel 6, shot blasting rod 7, screen 8, connecting rod 9, crank 10, second motor 11, third motor 12 , eccentric wheel 13, spring 14, fixed plate 15, vacuum box 16, vacuum pipe 17, vacuum fan 18, dust box 19, air inlet 20, air outlet 21, first filter 22, second filter Net 23, third filter screen 24, fourth filter screen 25, water tank 26, water pipe 27, water distribution plate 28, nozzle 29, water outlet 30, feed port 31, first discharge port 32, second discharge port .

Detailed ways

In order to make the purpose, advantages and implementations of the present utility model more clear, the present utility model will now be further described in conjunction with specific embodiments. constitute a limitation to the present invention.

An improved shot blasting machine as shown in FIG. 1 includes a base 1, a shot blasting studio 2 is arranged on the upper part of the base 1, a suspension hook 3 is arranged above the inner wall of the shot blasting studio 2, and a workpiece 4 is suspended at the bottom of the suspension hook 3 , A shot blasting mechanism is arranged below the workpiece 4, wherein the shot blasting mechanism includes a drive wheel 5 that is coaxially and fixedly connected to the output shaft of the first motor (not shown in the figure), and shot blasting rods 6 are evenly spaced on the drive wheel 5. , the shot blasting rod 6 is L-shaped, and the bending direction of the shot blasting rod 6 is consistent with the rotation direction of the driving wheel 5, and each shot blasting rod 6 is located on the same central arc; The mesh 7 is arranged along the diameter direction of the shot blasting studio 2, and passes through both sides of the shot blasting studio 2, wherein one end of the screen 7 is hingedly installed with a connecting rod 8, and the connecting rod 8 is hingedly installed with a crank 9, and the crank 9 It is fixedly installed on the output shaft of the second motor 10, and a third motor 11 is also fixedly installed in the middle of the bottom of the shot blasting studio 2, and an eccentric wheel 12 is fixedly installed on the output shaft of the third motor 11, and the eccentric wheel 12 is rotating. During the process, it is in contact with the bottom gap of the screen 7.

The workpiece 4 is suspended inside the shot blasting studio 2 through the hook 3, and the shot peening enters the shot blasting studio 2 through the feed port 30, and the first motor is started to drive the driving wheel 5 to rotate, and the shot blasting rod 6 on the driving wheel 5 follows the During the rotation, the shot blasting rod 6 can continuously throw the shot peening located on the upper part of the screen 7 to polish the workpiece, so that the shot peening can be continuously reused, which is beneficial to improve the efficiency of the polishing process; at the same time, the second The motor 10 drives the crank 9 to rotate, the crank 9 drives the connecting rod 8 to move left and right, and the screen 7 hinged with the connecting rod 8 also moves left and right. In addition, the third motor 11 also drives the eccentric wheel 12 to rotate, and the eccentric wheel 12 and the screen The screen 7 is in contact with the gap, and the screen 7 can also be continuously vibrated. During the continuous movement and vibration of the screen 7, the shot peening located above the screen 7 is redistributed. Because the diameter of the shot peening after continuous polishing is smaller than that of the unpolished one Shot peening, therefore, during the continuous movement of the screen 7, on the one hand, all shot peening (including polished shot peening and unpolished shot peening) can be evenly distributed, and on the other hand, the diameter of the The shot peening falls to the lower part of the screen 7 and is discharged from the second outlet 32, and after the polishing is completed, the shot peening still remaining on the upper part of the screen 7 is discharged from the first outlet 31 located on the upper part of the screen 7. , which is beneficial to ensure the polishing effect of the workpiece.

The other end of the screen 7 is also fixedly installed with a spring 13 , the other end of the spring 13 is fixedly installed on the fixing plate 14 , and the bottom of the fixing plate 14 is fixedly installed on the base 1 . On the one hand, the spring 13 can guide the screen 7; on the other hand, the spring 13 is continuously stretched or contracted during the continuous movement of the screen 7 left and right. The moving process of the screen 7 is maintained to save energy.

In addition, during the continuous polishing of the workpiece, the rust or dust on the surface of the workpiece will be removed, resulting in a lot of dust inside the shot blasting studio 2. If it is directly discharged into the air, it will affect the working environment and affect the The health of the staff, therefore, as a further improvement of the present utility model, in order to purify the air flowing out of the shot blasting studio 2, a plurality of through holes (not shown in the figure) are provided at the top of the shot blasting studio 2 with uniform intervals. shown), the upper part of the shot blasting studio 2 is fixedly installed with a dust suction box 15 of the same diameter, the upper part of the dust suction box 15 is connected with a dust removal device through a dust suction pipe 16, and a suction pipe 16 is fixedly installed on the dust suction pipe 16. The dust blower 17 sucks the dust-containing gas from the dust suction line 16 into the dust removal device through the dust suction blower 17 to purify the air.

Among them, the dust removal device includes a dust removal box 18, the lower part of the dust removal box 18 is provided with an air inlet 19 that communicates with the dust suction pipeline 16, the upper part of the dust removal box 18 is provided with an air outlet 20, and the inside of the dust removal box 18 is sequentially arranged from bottom to top. a filter screen 21, a second filter screen 22, a third filter screen 23 and a fourth filter screen 24, and the space between the first filter screen 21, the second filter screen 22, the third filter screen 23 and the fourth filter screen 24 The mesh aperture gradually decreases. Sometimes, in order to maintain the stability of the structure, between the first filter screen 21, the second filter screen 22, the third filter screen 23 and the fourth filter screen 24, a support column (not shown in the figure) that runs through each filter screen is also provided. out).

The dust-laden gas enters into the dust-removal box 18 from the bottom of the dust-removal box 18, and passes through the first filter screen 21, the second filter screen 22, the third filter screen 23 and the fourth filter screen 24 in turn to remove harmful impurities inside the dust-laden gas. Filter clear.

Preferably, the second filter screen 22 is obliquely and fixedly installed on the first filter screen 21, the fourth filter screen 24 is obliquely and fixedly installed on the third filter screen 23, and the inclination directions of the second filter screen 22 and the fourth filter screen 24 On the contrary, the angle between the second filter screen 22 and the first filter screen 21 is smaller than the angle between the fourth filter screen 24 and the third filter screen 23, and at the same time, the orthographic projection of the fourth filter screen 24 falls on the second filter screen 24. on the filter screen 22.

The gas filtered by the first filter screen 21 continues to pass through the second filter screen 22. Since the second filter screen 22 is inclined, the running path of the dust-laden gas is increased, which is beneficial for the dust-laden gas to be fully absorbed by the second filter screen 22. Adsorption, the dust-laden gas adsorbed by the second filter screen 22 continues to pass through the third filter screen 23 and the fourth filter screen 24, because the angle between the second filter screen 22 and the first filter screen 21 is smaller than that of the fourth filter screen 24 and the angle between the third filter screen 23, so that the filtered gas can be discharged more quickly, which is conducive to improving the filtering efficiency. At the same time, the orthographic projection of the fourth filter screen 24 falls on the second filter screen 22. On the other hand, it can ensure that the dust-laden gas can be further adsorbed in all directions by the second filter screen 22 and the fourth filter screen 24, which is conducive to the complete removal of impurities and the environmental sanitation of maintenance work.

As a further improvement of the present invention, in order to remove impurities such as dust, rust, etc. on each filter screen in time, a cleaning device is also provided above the fourth filter screen 24. The cleaning device includes a water tank 25 fixedly installed on the upper part of the dust box 18. 25 is connected and fixedly installed on the water distribution plate 27 inside the dust removal box 18 through the water pipe 26, the lower part of the water distribution plate 27 is connected with the spray head 28, and the lower part of the dust removal box 18 is provided with a water outlet 29. When the dust removal box 18 has been used for a period of time, the switch on the water pipe 26 can be turned on, so that the water in the water tank 25 is sprayed into the dust removal box 18 by the nozzle 28 on the water distribution plate 27, and each filter screen is cleaned. The water outlet 29 discharges, which is beneficial to always ensure the dust removal effect.

The specific embodiments of the present invention described above do not limit the protection scope of the present invention, and any other corresponding changes and deformations made according to the technical concept of the present invention shall be included in the rights of the present invention. within the scope of protection required.

Claims (8)

1. An improved shot blasting machine is characterized in that: comprising a base, the upper part of the base is provided with a shot blasting studio, the inner wall of the shot blasting studio is provided with a hook, and the bottom of the hook is hung with a workpiece, A shot blasting mechanism is arranged below the workpiece. The shot blasting mechanism includes a driving wheel that is coaxially and fixedly connected to the output shaft of the first motor. Shot blasting rods are evenly spaced on the driving wheel, and the shot blasting rod is L-shaped. The bending direction of the shot blasting rod is consistent with the rotation direction of the driving wheel, and each shot blasting rod is located on the same central arc. The lower part of the shot blasting mechanism is slidably provided with a screen, and the screen works along the shot blasting. The diameter direction of the chamber is arranged and passes through both sides of the shot blasting studio, wherein one end of the screen is hingedly installed with a connecting rod, and the connecting rod is hingedly installed with a crank, and the crank is fixedly installed on the output shaft of the second motor In the middle of the bottom of the shot blasting studio, a third motor is also fixedly installed, and an eccentric wheel is fixedly installed on the output shaft of the third motor. gap contact. 2. The improved shot blasting machine according to claim 1, characterized in that: the other end of the screen is fixedly installed with a spring, the other end of the spring is fixedly installed on a fixed plate, and the bottom of the fixed plate is fixedly installed on the base. 3. The improved shot blasting machine according to claim 1 is characterized in that: the top of the shot blasting studio is provided with a plurality of through holes arranged at even intervals, and the upper part of the shot blasting studio is fixedly installed with a diameter consistent with its diameter. The dust collecting box is connected with a dust removal device on the upper part of the dust suction box through a dust suction pipeline, and a dust suction fan is fixedly installed on the dust suction pipeline. 4. The improved shot blasting machine according to claim 3, characterized in that: the dust removal device comprises a dust removal box, and the lower part of the dust removal box is provided with an air inlet that communicates with the dust suction pipeline, and the dust removal box The upper part is provided with an air outlet, and the inside of the dust box is provided with a first filter screen, a second filter screen, a third filter screen and a fourth filter screen in order from bottom to top, and the first filter screen, the second filter screen, the third filter screen The pore size of the mesh between the fourth filter mesh and the fourth filter mesh gradually decreases. 5 . The improved shot blasting machine according to claim 4 , wherein the second filter screen is obliquely and fixedly installed on the first filter screen, and the fourth filter screen is obliquely and fixedly installed on the third filter screen. 6 . . 6. The improved shot blasting machine according to claim 5, wherein the second filter screen and the fourth filter screen have opposite inclination directions, and the angle between the second filter screen and the first filter screen is opposite. is smaller than the included angle between the fourth filter screen and the third filter screen. 7. The improved shot blasting machine according to claim 6, wherein the orthographic projection of the fourth filter screen falls on the second filter screen. 8 . The improved shot blasting machine according to claim 7 , wherein a cleaning device is further provided above the fourth filter screen, and the cleaning device comprises a water tank fixedly installed on the upper part of the dust removal box. 9 . The water tank is fixedly installed on the water distribution plate inside the dust removal box through the connection of water pipes, the lower part of the water distribution plate is connected with a nozzle, and the lower part of the dust removal box is provided with a water outlet.