CN219599157U

CN219599157U - Shot blasting machine for processing hardware mechanical accessories

Info

Publication number: CN219599157U
Application number: CN202320347226.3U
Authority: CN
Inventors: 凌应战; 凌宏权
Original assignee: Bengbu Hongbao Construction Machinery Co ltd
Current assignee: Bengbu Hongbao Construction Machinery Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-08-29
Anticipated expiration: 2033-03-01

Abstract

The utility model belongs to the field of hardware production machinery, in particular to a shot blasting machine for processing hardware mechanical accessories, which aims at the problems that the side surface of an existing part cannot be processed, and when the number of the hardware accessories is large, the taking of the parts wastes time and energy.

Description

Shot blasting machine for processing hardware mechanical accessories

Technical Field

The utility model relates to the technical field of hardware production machinery, in particular to a shot blasting machine for processing hardware mechanical accessories.

Background

Hardware fittings refer to machine parts or components made from hardware, as well as some small hardware. It can be used alone or as an auxiliary tool. Such as hardware tools, hardware parts, daily hardware, construction hardware, security products, etc. The hardware products are not mostly end consumer products. But as a complete product, a semi-finished product, a tool used in a production process and the like in industrial manufacture, only a small part of daily hardware products (accessories) are tool type consumer products which are necessary for people to live.

For example, bulletin numbers: the utility model of CN214110079U discloses a crawler-type shot blasting machine for processing water heating hardware fittings, which comprises a shot blasting device, a crawler and a shot blasting box, wherein the shot blasting device is arranged on the top surface of the shot blasting box, the crawler is arranged in the shot blasting box, a retractable feeding device is arranged in the shot blasting box, the bottom surface of the shot blasting box is connected with an output device with a shaking function, a spiral device capable of spirally conveying is arranged on the side surface of the output device, and a stable-pushing conveying device is arranged on the top surface of the spiral device.

In the above technical solution, there are still many disadvantages in the process of processing the hardware mechanical parts:

1. when the metal mechanical fitting is processed through the shot blasting machine, the shot blasting machine only can process the surface of the fitting because the fitting rotates on the crawler belt, but the side surface of the fitting cannot be processed, so that additional processing on the side surface of the fitting is needed later.

2. When the workpiece processing is finished, the hardware fittings are required to be manually taken out from the crawler belt, and when the number of the hardware fittings is large, the hardware fittings are taken out, so that time and labor are wasted.

Disclosure of Invention

The utility model provides a shot blasting machine for processing hardware mechanical accessories, which solves the defects that the side surface of a piece cannot be processed, and the time and the labor are wasted when the number of the hardware accessories is large in the prior art.

The utility model provides the following technical scheme:

the utility model provides a shot-blasting machine for hardware machine fitting processing, includes the casing, the top of casing is through support column fixedly connected with storage box, one side of casing is equipped with the collecting box, be equipped with conveying structure in the collecting box for with the shot that collects in the collecting box transport to the storage box in, (wherein conveying structure does not draw, and conveying structure can be for conveying kun or conveyer belt, does not do any limit again), one side of casing is equipped with and collects the matched pill mouth of case, fixedly connected with in the casing is located the stock guide below the rotation sieve;

the rotating structure is arranged in the shell and is used for driving the accessory to rotate at different angles in the shell and processing the accessory at different angles;

and the screening structure is arranged in the shell and is used for separating the projectile during processing from impurities on the surface of the accessory.

In a possible design, revolution mechanic is including rotating the straight-tooth ring of connecting at casing top inner wall, the equal fixedly connected with connecting rod in bottom both sides of casing, the bottom fixedly connected with ring of connecting rod, two the ring internal rotation is connected with same fretwork metal frame, through rectangular piece fixedly connected with umbrella tooth ring in the casing, the equal fixedly connected with pivot in both ends of umbrella tooth ring, the one end fixedly connected with that the fretwork metal frame was kept away from to the pivot meshes with umbrella tooth ring bevel gear, the top fixedly connected with driving motor of casing, driving motor's output shaft extends to in the casing and fixedly connected with straight-tooth wheel, and straight-tooth wheel meshes with straight-tooth ring, starts driving motor drive straight-tooth wheel and straight-tooth ring looks meshing, and driving motor drives straight-tooth ring and connecting rod rotation, and straight-tooth ring carries out the level through connecting rod and ring and drives fretwork metal frame through the pivot and rotate bevel gear, bevel gear and umbrella tooth ring intermittent type meshing, and then can also carry out the rotation of fretwork metal frame along with the fretwork metal frame level and can carry out the rotation of the hollow metal frame and can receive the spin and carry out the processing of other after the metal frame and can receive the other and change the angle and can receive the processing of other work pieces at the same time.

In a possible design, screening structure is including rotating the rotation sieve of connection in the casing, and rotate the below that the sieve is located the fretwork metal frame, the equal fixedly connected with fixed block of one side inner wall that the casing kept away from each other, the top fixedly connected with spring of fixed block, and the top of spring and the bottom fixedly connected with of rotation sieve, the top fixedly connected with of rotation sieve a plurality of triangular projections, the bottom fixedly connected with of ring and triangular projection matched with trapezoidal pole, when ring and fretwork metal frame rotate, the ring drives the trapezoidal pole and rotates, can intermittent type promote rotation sieve through the cooperation of triangular projection and trapezoidal pole and rotate to can make the reciprocal vibration of rotation sieve, filter the impurity in the pellet, and with collect pellet used repeatedly.

In a possible design, the top of casing is fixed to run through has first box, the equal fixedly connected with second box of one side inner wall that the casing kept away from each other, be equipped with the shot blasting structure of the same structure in first box and the second box, and the opening of first box and second box all is towards fretwork metal frame, one side of first box is equipped with the first passage that is linked together with the storage box, one side that the fretwork metal frame was kept away from to the second box is equipped with the second passage that is linked together with the storage box, can spray the shot to pivoted fretwork metal frame through first box and second box, and then can process the accessory in the fretwork metal frame from the different angles.

In one possible design, the shot blasting structure comprises a rotating shaft which is rotationally connected in a first box body, a plurality of blades are fixedly connected to the outer wall of the rotating shaft, a rotating motor is fixedly connected to one side of the first box body, an output shaft of the rotating motor extends into the first box body and is fixedly connected with the rotating shaft, the rotating shaft and the blades are driven to rotate rapidly through the rotating motor, the shots entering the shot blasting structure can be ejected rapidly, and then accessories in the hollowed-out metal frame can be processed at multiple angles.

In a possible design, rotate sieve fixedly connected with dwang, the outer wall of dwang rotates the cover and is equipped with the guide sieve, the both sides of guide sieve all are equipped with the circular slot, two the equal fixedly connected with torsional spring of one side inner wall that the circular slot is close to each other, and the other end of torsional spring and one side inner wall fixed connection of rotation sieve, and the sieve mesh of guide plate is greater than the rotation sieve greatly, the top fixedly connected with of rotation sieve is used for carrying out spacing stopper to the guide sieve, and after the accessory processing is accomplished, opens the bin gate on the fretwork metal frame, and accessory in the fretwork metal frame falls on the guide sieve, because the self gravity factor of accessory, the guide sieve begins to rotate, and the guide sieve is led into on the guide plate with the accessory, can carry the accessory on the transmission band through the guide plate, and to next process is gone into with the accessory because the sieve mesh of guide plate is greater than the sieve mesh of rotation, and the impurity of rotation filtration also can not hinder the guide plate and fall in the casing, the unified collection of later stage of being convenient for.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

According to the utility model, the straight toothed ring and the connecting rod are driven to rotate by the driving motor, the straight toothed ring drives the hollow metal frame to horizontally rotate, the hollow metal frame drives the bevel gear to rotate by the rotating shaft, the bevel gear is intermittently meshed with the bevel toothed ring, and then the hollow metal frame can also rotate when the hollow metal frame horizontally rotates, so that the accessory can be subjected to processing of shots at different angles along with the rotation of the hollow metal frame, and other positions of the workpiece do not need to be processed again in the later stage.

According to the utility model, when the ring and the hollow metal frame rotate, the ring drives the trapezoid rod to rotate, and the rotating screen plate can be intermittently pushed to rotate through the cooperation of the triangular convex blocks and the trapezoid rod, so that the rotating screen plate can vibrate reciprocally, impurities in the pellets are filtered, and the pellets are repeatedly used with the collected pellets.

In the utility model, after the processing of the fittings is finished, the fittings in the hollow metal frame fall on the material guide sieve plate, and the material guide sieve plate starts to rotate due to the self gravity factor of the fittings, the material guide sieve plate guides the fittings onto the material guide plate, the fittings can be automatically conveyed onto the conveying belt through the material guide plate, the fittings in the hollow metal frame can be automatically taken out, manual operation is not needed, and time and labor are saved.

According to the utility model, the straight toothed ring is driven to rotate by the driving motor, so that accessories in the hollow metal frame can rotate in the hollow metal frame, the accessories can be processed by the shots at different angles by matching with the first box body and the second box body, other positions of the workpiece do not need to be processed again in the later period, in addition, the rotating sieve plate can be driven to intermittently rotate when the hollow metal frame rotates, the shots and impurities can be screened, and the accessories with a large number can be automatically taken out from the hollow metal frame after the processing is finished.

Drawings

Fig. 1 is a schematic three-dimensional structure of a shot blasting machine for processing hardware mechanical parts according to an embodiment of the present utility model;

fig. 2 is a schematic view of a three-dimensional cross-sectional structure of a first view of a shot blasting machine for processing hardware mechanical parts according to an embodiment of the present utility model;

fig. 3 is a schematic view of a three-dimensional cross-sectional structure of a second view of a shot blasting machine for processing hardware mechanical parts according to an embodiment of the present utility model;

fig. 4 is a schematic three-dimensional structure diagram of a rotary structure of a shot blasting machine for processing hardware mechanical parts according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a three-dimensional cross-sectional structure of a rotating screen plate of a shot blasting machine for processing hardware mechanical parts according to an embodiment of the present utility model;

fig. 6 is a schematic three-dimensional cross-sectional structure of a first box of a shot blasting machine for processing hardware mechanical parts according to an embodiment of the present utility model.

Reference numerals:

1. a housing; 2. a collection box; 3. a storage box; 4. a straight toothed ring; 5. a connecting rod; 6. a circular ring; 7. hollow metal frames; 8. a rotating shaft; 9. a bevel gear; 10. an umbrella tooth ring; 11. a driving motor; 12. spur gears; 13. rotating the screen plate; 14. pill discharging port; 15. a fixed block; 16. a spring; 17. triangular protruding blocks; 18. a trapezoidal bar; 19. a first case; 20. a second case; 21. a first material guide pipe; 22. a second material guiding pipe; 23. a rotating motor; 24. a blade; 25. a rotating shaft; 26. a rotating lever; 27. a material guiding sieve plate; 28. a circular groove; 29. a torsion spring; 30. and a material guiding plate.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1, fig. 2 and fig. 3, a shot blasting machine for processing hardware mechanical accessories includes a casing 1, a storage box 3 is fixedly connected to the top of the casing 1 through a support column, a collecting box 2 is arranged on one side of the casing 1, a conveying structure is arranged in the collecting box 2 and is used for conveying shots collected in the collecting box 2 into the storage box 3, (wherein the conveying structure is not shown and can be a conveying roller or a conveying belt, and the conveying structure is not limited in any way), a shot discharging port 14 matched with the collecting box 2 is arranged on one side of the casing 1, a guide plate 30 positioned below a rotary screen plate 13 is fixedly connected in the casing 1, a rotary structure is arranged in the casing 1 and is used for driving the accessories to rotate in different angles in the casing 1 and processing different angles of the accessories, and a screening structure is arranged in the casing 1 and is used for separating the processed shots from impurities on the surfaces of the accessories.

The technical scheme can process the accessory at different angles, and the technical effect of automatically screening the projectile and the impurities on the surface layer of the accessory in the processing process can be achieved.

Referring to fig. 4 and 5, the screening structure includes rotating screen 13 that rotates to be connected in casing 1, and rotate screen 13 and be located the below of fretwork metal frame 7, the equal fixedly connected with fixed block 15 of one side inner wall that casing 1 kept away from each other, the top fixedly connected with spring 16 of fixed block 15, and the top of spring 16 and the bottom fixedly connected with of rotating screen 13, rotate the top fixedly connected with of screen 13 a plurality of triangular projections 17, the bottom fixedly connected with of ring 6 and triangular projection 17 matched with trapezoidal pole 18.

Above-mentioned technical scheme rotates through ring 6 and fretwork metal frame 7, and ring 6 drives trapezoidal pole 18 and rotates, and cooperation through triangle lug 17 and trapezoidal pole 18 can intermittent type promote rotation sieve 13 and rotate to can make rotation sieve 13 reciprocal vibration, filter the impurity in the pellet, and with collecting pellet repeatedly used's technological effect.

Referring to fig. 4, the rotating structure comprises a straight toothed ring 4 rotatably connected to the inner wall of the top of a casing 1, connecting rods 5 are fixedly connected to two sides of the bottom of the casing 1, a circular ring 6 is fixedly connected to the bottom end of each connecting rod 5, two circular rings 6 are rotatably connected with the same hollow metal frame 7, an umbrella toothed ring 10 is fixedly connected to each of the two circular rings 1 through a rectangular block, rotating shafts 8 are fixedly connected to two ends of each umbrella toothed ring 10, one end of each rotating shaft 8, which is far away from each hollow metal frame 7, is fixedly connected with an umbrella gear 9 meshed with the umbrella toothed ring 10, a driving motor 11 is fixedly connected to the top of the casing 1, an output shaft of each driving motor 11 extends into the casing 1 and is fixedly connected with a straight gear 12, the straight gear 12 is meshed with the straight toothed ring 4, the driving motor 11 is started to drive the straight gear 12 to rotate, and the straight gear 12 is meshed with the straight toothed ring 4.

Above-mentioned technical scheme passes through driving motor 11 and drives straight ring gear 4 and connecting rod 5 rotation, and straight ring gear 4 drives fretwork metal frame 7 through connecting rod 5 and ring 6 and carries out horizontal rotation, and fretwork metal frame 7 drives bevel gear 9 through pivot 8 and rotates, bevel gear 9 and bevel ring gear 10 intermittent type meshing, and then when fretwork metal frame 7 horizontal rotation, fretwork metal frame 7 can also rotate, and then along with fretwork metal frame 7's rotation can make the accessory receive the processing of pellet at different angles, need not the technological effect of processing to other positions of work piece again in the later stage.

Referring to fig. 3, the top of the casing 1 is fixedly penetrated with a first casing 19, the inner walls of one side of the casing 1, which are far away from each other, are fixedly connected with a second casing 20, shot blasting structures with the same structure are arranged in the first casing 19 and the second casing 20, openings of the first casing 19 and the second casing 20 face towards the hollowed-out metal frame 7, one side of the first casing 19 is provided with a first material guide pipe 21 communicated with the storage box 3, and one side of the second casing 20, which is far away from the hollowed-out metal frame 7, is provided with a second material guide pipe 22 communicated with the storage box 3.

According to the technical scheme, the rotary hollow metal frame 7 can be sprayed with the projectile through the first box 19 and the second box 20, and then the technical effect of processing accessories in the hollow metal frame 7 from different angles can be achieved.

Referring to fig. 6, the shot blasting structure includes a rotation shaft 25 rotatably connected in the first casing 19, a plurality of blades 24 are fixedly connected to an outer wall of the rotation shaft 25, a rotation motor 23 is fixedly connected to one side of the first casing 19, and an output shaft of the rotation motor 23 extends into the first casing 19 and is fixedly connected to the rotation shaft 25.

According to the technical scheme, the rotating shaft 25 and the blades 24 are driven to rotate rapidly through the rotating motor 23, so that the shots entering the rotating shaft can be sprayed out rapidly, and further the accessory in the hollowed-out metal frame 7 can be processed at multiple angles.

Example 2

Referring to fig. 5, the rotating screen 13 is fixedly connected with the rotating rod 26, the outer wall of the rotating rod 26 is rotatably sleeved with the material guiding screen 27, round grooves 28 are formed in two sides of the material guiding screen 27, a torsion spring 29 is fixedly connected to one side inner wall of each round groove 28, the other end of the torsion spring 29 is fixedly connected with one side inner wall of the rotating screen 13, the sieve holes of the material guiding plate 30 are far larger than those of the rotating screen 13, and a limiting block used for limiting the material guiding screen 27 is fixedly connected to the top of the rotating screen 13.

Above-mentioned technical scheme is through opening the bin gate (not marked in the picture) on the fretwork metal frame 7, and the accessory in the fretwork metal frame 7 falls on guide sieve 27, because the self gravity factor of accessory, guide sieve 27 begins to rotate, and guide sieve 27 is on with the guide plate 30 of accessory introduction, can carry the accessory on the transmission band automatically through guide plate 30, with the accessory to the next process, because guide plate 30's sieve mesh is greater than the sieve mesh of rotating sieve 13 far away, rotate the filtered impurity of sieve 13 and can pass guide plate 30 and fall in casing 1 equally unimpeded, the technical effect of the unified collection in later stage of being convenient for.

However, as well known to those skilled in the art, the working principles and wiring methods of the driving motor 11 and the rotating motor 23 are common, which are all conventional means or common general knowledge, and are not described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.

The working principle and the using flow of the technical scheme are as follows: opening the accessory and throwing the accessory into the hollow metal frame 7, starting the driving motor 11 to drive the spur gear 12 to rotate, meshing the spur gear 12 with the spur gear ring 4, driving the spur gear ring 4 and the connecting rod 5 to rotate by the driving motor 11, driving the hollow metal frame 7 to horizontally rotate by the connecting rod 5 and the circular ring 6, driving the bevel gear 9 to rotate by the rotating shaft 8, intermittently meshing the bevel gear 9 with the bevel gear ring 10, further enabling the hollow metal frame 7 to rotate automatically when the hollow metal frame 7 horizontally rotates, starting the spur gear 12 to drive the blade 24 to rotate, enabling the blade 24 and the rotating shaft 25 to rapidly rotate, ejecting the pellets in the storage box 3 to the direction of the hollow metal frame 7, and further enabling the two second boxes 20 to obliquely downwards eject the pellets to process workpieces in the hollow metal frame 7 from different angles when the hollow metal frame 7 rotates by the first box 19 and the second boxes 20, furthermore, the processing task is completed once without processing other positions of the workpiece again in the later period, when the first box 19 and the second box 20 spray the pellets to the fittings in the hollowed-out metal frame 7, the pellets and the impurities on the fittings fall on the rotating screen plate 13, in addition, when the circular ring 6 and the hollowed-out metal frame 7 rotate, the circular ring 6 drives the trapezoid rod 18 to rotate, the rotating screen plate 13 can be intermittently pushed to rotate through the matching of the triangular convex blocks 17 and the trapezoid rod 18, so that the rotating screen plate 13 can vibrate reciprocally, the impurities in the pellets are filtered, and the pellets fall into the collecting box 2 through the rotating screen plate 13 and the pellet discharge port 14 along with the reciprocal rotation of the rotating screen plate 13, then the pellets in the collecting box 2 are conveyed into the storage box 3 again through the conveying receiving structure, wherein the conveying structure is not shown, and the conveying structure can be a conveying roller or a conveying belt, and the conveying structure is not limited, after the processing of the accessories in the hollow metal frame 7 is completed, the door picture on the hollow metal frame 7 is opened and is not marked, at the moment, the discharge hole picture of the hollow metal frame 7 is not marked to be just aligned with the guide screen plate 27, the accessories in the hollow metal frame 7 fall on the guide screen plate 27, the guide screen plate 27 starts to rotate due to the self gravity factor of the accessories, the torsion spring 29 stores force, the guide screen plate 27 guides the accessories onto the guide plate 30, the accessories can be automatically conveyed onto the conveying belt through the guide plate 30, the accessories are conveyed to the next process, and impurities filtered by the rotary screen plate 13 can pass through the guide plate 30 to fall into the shell 1 without any obstruction because the sieve holes of the guide plate 30 are far larger than the sieve holes of the rotary screen plate 13, so that the later unified collection is facilitated.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The shot blasting machine for processing hardware mechanical accessories is characterized by comprising a shell (1), wherein the top of the shell (1) is fixedly connected with a storage box (3) through a support column, one side of the shell (1) is provided with a collecting box (2), one side of the shell (1) is provided with a shot discharging port (14) matched with the collecting box (2), and a guide plate (30) positioned below a rotary screen plate (13) is fixedly connected in the shell (1);

the rotating structure is arranged in the shell (1) and is used for driving the accessory to rotate in the shell (1) at different angles and processing the accessory at different angles;

and the screening structure is arranged in the shell (1) and is used for separating the projectile during processing from impurities on the surface of the accessory.

2. The shot blasting machine for processing hardware mechanical accessories according to claim 1, wherein the rotating structure comprises a straight toothed ring (4) which is rotationally connected to the inner wall of the top of the shell (1), connecting rods (5) are fixedly connected to two sides of the bottom of the shell (1), a circular ring (6) is fixedly connected to the bottom of each connecting rod (5), the two circular rings (6) are rotationally connected with the same hollow metal frame (7), an umbrella toothed ring (10) is fixedly connected to the inside of the shell (1) through a rectangular block, rotary shafts (8) are fixedly connected to two ends of the umbrella toothed ring (10), an umbrella gear (9) meshed with the umbrella toothed ring (10) is fixedly connected to one end, away from the hollow metal frame (7), of the shell (1), a driving motor (11) is fixedly connected to the top of the shell (1), and an output shaft of the driving motor (11) extends into the shell (1) and is fixedly connected with a straight gear (12) and is meshed with the straight toothed ring (4).

3. The shot blasting machine for processing hardware mechanical accessories according to claim 1, wherein the screening structure comprises a rotary screen plate (13) rotatably connected in a shell (1), the rotary screen plate (13) is located below a hollowed metal frame (7), fixing blocks (15) are fixedly connected to inner walls of one sides, far away from each other, of the shell (1), springs (16) are fixedly connected to the tops of the fixing blocks (15), the tops of the springs (16) are fixedly connected with the bottoms of the rotary screen plate (13), a plurality of triangular projections (17) are fixedly connected to the tops of the rotary screen plate (13), and trapezoid rods (18) matched with the triangular projections (17) are fixedly connected to the bottoms of the circular rings (6).

4. The shot blasting machine for processing hardware mechanical accessories according to claim 1, wherein a first box body (19) is fixedly penetrated at the top of the shell body (1), a second box body (20) is fixedly connected to the inner wall of one side, away from each other, of the shell body (1), shot blasting structures with the same structure are arranged in the first box body (19) and the second box body (20), openings of the first box body (19) and the second box body (20) face towards the hollowed-out metal frame (7), a first material guide pipe (21) communicated with the storage box (3) is arranged on one side of the first box body (19), and a second material guide pipe (22) communicated with the storage box (3) is arranged on one side, away from the hollowed-out metal frame (7), of the second box body (20).

5. The shot blasting machine for machining hardware mechanical parts according to claim 4, wherein the shot blasting structure comprises a rotating shaft (25) rotatably connected in a first box body (19), a plurality of blades (24) are fixedly connected to the outer wall of the rotating shaft (25), a rotating motor (23) is fixedly connected to one side of the first box body (19), and an output shaft of the rotating motor (23) extends into the first box body (19) and is fixedly connected with the rotating shaft (25).

6. The shot blasting machine for processing hardware mechanical accessories according to claim 3, characterized in that the rotating screen plate (13) is fixedly connected with a rotating rod (26), the outer wall of the rotating rod (26) is rotatably sleeved with a material guiding screen plate (27), round grooves (28) are formed in two sides of the material guiding screen plate (27), torsion springs (29) are fixedly connected to one side inner wall of the round grooves (28) which are close to each other, the other end of each torsion spring (29) is fixedly connected with one side inner wall of the rotating screen plate (13), sieve holes of the material guiding plate (30) are far larger than those of the rotating screen plate (13), and limiting blocks for limiting the material guiding screen plate (27) are fixedly connected to the top of the rotating screen plate (13).