Steel grit screening and feeding mechanism

Abstract

The utility model relates to the technical field of steel grit screening and feeding, in particular to a steel grit screening and feeding mechanism which is convenient for adjusting the screening size of steel grit, is convenient for adjusting the feeding speed of the steel grit and improves the screening quality and efficiency. Comprising a taking mechanism; the device further comprises a screening mechanism, a mounting mechanism, a driving mechanism, a speed control mechanism and a discharging mechanism, the screening mechanism is mounted in the taking mechanism, the mounting mechanism is mounted on the screening mechanism, the driving mechanism is mounted in the taking mechanism, the speed control mechanism is mounted on the taking mechanism, and the discharging mechanism is mounted at the bottom end of the taking mechanism. The screening mechanism is driven by the driving mechanism to screen the steel grit, the steel grit screened in the screening mechanism can be conveniently taken through the taking mechanism, the feeding speed of the steel grit can be conveniently adjusted through the speed control mechanism, and unqualified steel grit after screening can be conveniently discharged through the discharging mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of steel sand screening and feeding, in particular to a steel sand screening and feeding mechanism. Background Art

[0002] Shot blasting is a mechanical surface treatment process that mainly uses a high-speed rotating impeller to project steel shots or aluminum shots onto the surface of the workpiece, and removes surface impurities and oxide layers through impact and cutting to achieve the purpose of cleaning and strengthening. After shot blasting, the steel grit needs to be screened to ensure the recovery quality of the steel grit.

[0003] In the existing steel sand screening technology, for example, the prior art with application number CN202123091609.9, including support legs, a discharge pipe, a discharge pipe, a dust collecting box, a vacuum cleaner, a valve switch, a filter, a dust removal cylinder, a material guide hood, a screening net 2, a discharge pipe 1, a screening net 1 and a shell, etc., by arranging screening net 1 and screening net 2 equipped with a drive assembly, a dust removal cylinder equipped with a filter, and a circulating moving assembly, the problem of different sizes of steel sand recovery is solved, which facilitates the dust removal treatment of dust mixed in steel sand with a diameter of less than 0.8 mm, reduces the labor intensity of operators, and is conducive to the recovery and reuse of steel sand.

[0004] However, the prior art is not convenient for adjusting the feeding speed of steel sand when screening steel sand, which reduces the screening quality, and the prior art is not convenient for replacing the screening net, which reduces the practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a steel sand screening and feeding mechanism which is convenient for adjusting the screening size of steel sand and the feeding speed of steel sand, thereby improving the quality and efficiency of screening.

[0006] The utility model discloses a steel sand screening and feeding mechanism, which comprises a taking mechanism; further comprises a screening mechanism, a mounting mechanism, a driving mechanism, a speed control mechanism and a discharging mechanism. The screening mechanism is installed in the taking mechanism, the mounting mechanism is installed on the screening mechanism, the driving mechanism is installed in the taking mechanism, the speed control mechanism is installed on the taking mechanism, and the discharging mechanism is installed at the bottom end of the taking mechanism. The driving mechanism drives the screening mechanism to screen the steel sand, the taking mechanism facilitates the taking of the screened steel sand in the screening mechanism, the speed control mechanism facilitates the adjustment of the steel sand feeding rate, and the discharging mechanism facilitates the discharging of unqualified steel sand after screening. The driving mechanism drives the screening mechanism to screen the steel sand, the taking mechanism facilitates the taking of the screened steel sand in the screening mechanism, thereby improving convenience, the speed control mechanism facilitates the adjustment of the steel sand feeding rate, thereby improving the screening quality, and the discharging mechanism facilitates the discharging of unqualified steel sand after screening.

[0007] Preferably, the taking mechanism includes a processing box, a sealing door and a locking plate. The sealing door is rotatably mounted on the side wall of the processing box by a hinge, and the locking plate is rotatably mounted on the outer wall of the processing box. By opening the sealing door, it is convenient to take the steel sand screened by the screening mechanism, thereby improving convenience, and the sealing door is fixed by the locking plate.

[0008] Preferably, the screening mechanism includes a guide seat, a screening box, a spring and a screen plate, the guide seat is installed on the inner wall of the processing box, the screening box is slidably installed on the guide seat, the spring connects the guide seat and the screening box, and the screen plate is installed on the screening box through the mounting mechanism; the screening box is driven to slide back and forth on the guide seat by opening the driving mechanism, and the screening box is driven to slide and reset on the guide seat by the spring, thereby improving the screening efficiency of steel sand, and the steel sand is screened by the screen plate.

[0009] Preferably, the mounting mechanism includes a through slot and a fixed plate, a fixed seat is provided on the screening box, the fixed plate is rotatably mounted on the fixed seat, and the screening plate is provided with a through slot; when the screening plate is to be replaced and installed, the fixed plate is aligned with the through slot, and the fixed plate is passed through the through slot, and then the screening plate is mounted on the mounting seat of the screening box, and then the fixed plate is rotated and fixed to the fixed seat through the fixed plate, thereby facilitating the adjustment of the screening diameter.

[0010] Preferably, the driving mechanism includes a driving shaft, a cam shaft and a first motor. The cam shaft is rotatably mounted on the inner wall of the processing box through the driving shaft, and the first motor is mounted on the outer wall of the processing box. The output end of the first motor is connected to the driving shaft. By turning on the first motor, the driving shaft is driven to rotate, and then the cam shaft is driven to rotate. The convex point of the cam shaft is used to squeeze the screening box to slide back and forth on the guide seat. The screening box is driven by the spring to slide and reset on the guide seat, thereby improving the screening efficiency of steel sand, and the steel sand is screened through the screen plate.

[0011] Preferably, the speed control mechanism includes a feed hopper, a fixed feed plate, a rotating feed plate, a bevel gear ring and a bevel gear. The feed hopper is installed on the top of the processing box. A feed pipe is arranged on the feed hopper. The fixed feed plate is installed on the inner wall of the feed pipe of the feed hopper. The rotating feed plate is rotatably installed on the inner wall of the feed pipe. Feed holes are arranged on the fixed feed plate and the rotating feed plate. The bevel gear ring is installed on the bottom end of the rotating feed plate. The bevel gear is rotatably installed on the side wall of the feed pipe of the feed hopper through a rotating shaft, and the bevel gear is meshed with the bevel gear ring. Steel sand is stored through the feed hopper, and the rotating feed plate is driven to rotate by rotating the rotating shaft of the bevel gear and the meshing relationship between the bevel gear and the bevel gear ring. The speed of steel sand feeding is adjusted by the overlap of the feed openings of the fixed feed plate and the rotating feed plate to improve the quality of steel sand screening.

[0012] Preferably, the discharging mechanism includes a discharging sleeve, a rotating shaft, an auger blade, a discharging motor, two pulleys and a transmission belt. The discharging sleeve is installed at the bottom end of the processing box, the rotating shaft is rotatably installed in the discharging sleeve, the auger blade is installed on the rotating shaft, the discharging motor is installed on the outer wall of the discharging sleeve, the two pulleys are respectively installed on the output end of the discharging motor and the rotating shaft, the transmission belt connects the two pulleys, and a discharging port is provided on the discharging sleeve; the steel sand falls into the discharging sleeve through the processing box, and by turning on the discharging motor, the rotating shaft is driven to rotate under the drive of the transmission belt, thereby driving the auger blade to discharge the steel sand from the discharging port of the discharging sleeve.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the driving mechanism drives the screening mechanism to screen the steel sand, the taking mechanism facilitates the taking of the screened steel sand in the screening mechanism, thereby improving convenience, the speed control mechanism facilitates the adjustment of the steel sand feeding rate, thereby improving the screening quality, and the discharging mechanism facilitates the discharge of unqualified steel sand after screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the side-view cross-section axonometric structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the first front section axonometric structure of the utility model;

[0019] Figure 6 It is a second front section axonometric structural schematic diagram of the utility model;

[0020] Figure 7 It is a schematic diagram of the top-view cross-section axonometric structure of the utility model;

[0021] Figure 8 The utility model Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0022] Markings in the attached drawings: 01, taking mechanism; 11, processing box; 12, sealing door; 13, locking plate; 02, screening mechanism; 21, guide seat; 22, screening box; 23, spring; 24, screen plate; 03, mounting mechanism; 31, slot; 32, fixed plate; 04, driving mechanism; 41, driving shaft; 42, cam; 43, first motor; 05, speed control mechanism; 51, feed hopper; 52, fixed feed plate; 53, rotating feed plate; 54, bevel gear ring; 55, bevel gear; 06, discharge mechanism; 61, discharge sleeve; 62, rotating shaft; 63, auger blade; 64, discharge motor; 65, pulley; 66, transmission belt. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] Example 1

[0025] like Figures 1 to 7 As shown, a steel sand screening and feeding mechanism includes a taking mechanism 01, a screening mechanism 02, a mounting mechanism 03, a driving mechanism 04, a speed control mechanism 05 and a discharging mechanism 06, wherein the screening mechanism 02 is mounted in the taking mechanism 01, the mounting mechanism 03 is mounted on the screening mechanism 02, the driving mechanism 04 is mounted in the taking mechanism 01, the speed control mechanism 05 is mounted on the taking mechanism 01, and the discharging mechanism 06 is mounted at the bottom end of the taking mechanism 01;

[0026] The driving mechanism 04 drives the screening mechanism 02 to screen the steel sand, the taking mechanism 01 is used to take the screened steel sand in the screening mechanism 02, the speed control mechanism 05 is used to adjust the feeding rate of the steel sand, and the discharging mechanism 06 is used to discharge the unqualified steel sand after screening;

[0027] The taking mechanism 01 includes a processing box 11, a sealing door 12 and a locking plate 13. The sealing door 12 is rotatably mounted on the side wall of the processing box 11 through a hinge, and the locking plate 13 is rotatably mounted on the outer wall of the processing box 11.

[0028] The screening mechanism 02 includes a guide seat 21, a screening box 22, a spring 23 and a screening plate 24. The guide seat 21 is mounted on the inner wall of the processing box 11. The screening box 22 is slidably mounted on the guide seat 21. The spring 23 connects the guide seat 21 and the screening box 22. The screening plate 24 is mounted on the screening box 22 through the mounting mechanism 03.

[0029] The mounting mechanism 03 includes a through slot 31 and a fixed plate 32. A fixed seat is provided on the screening box 22. The fixed plate 32 is rotatably mounted on the fixed seat. The through slot 31 is provided on the screening plate 24.

[0030] The driving mechanism 04 includes a driving shaft 41, a convex shaft 42 and a first motor 43. The convex shaft 42 is rotatably mounted on the inner wall of the processing box 11 through the driving shaft 41. The first motor 43 is mounted on the outer wall of the processing box 11. The output end of the first motor 43 is connected to the driving shaft 41.

[0031] By opening the sealing door 12, it is convenient to take the steel sand screened by the screening mechanism 02, and the convenience is improved. The sealing door 12 is fixed by the locking plate 13. When the screen plate 24 is to be replaced and installed, the fixing plate 32 is aligned with the through slot 31, and the fixing plate 32 passes through the through slot 31, and then the screen plate 24 is installed on the mounting seat of the screening box 22, and then the fixing plate 32 is rotated, and the screen plate 24 is fixed on the fixing seat by the fixing plate 32, so as to facilitate the adjustment of the size of the screening diameter. The first motor 43 is turned on to drive the driving shaft 41 to rotate, and then the cam shaft 42 is driven to rotate, and the convex point of the cam shaft 42 is used to squeeze the screening box 22 to slide back and forth on the guide seat 21, and the spring 23 drives the screening box 22 to slide and reset on the guide seat 21, thereby improving the screening efficiency of the steel sand, and the steel sand is screened by the screen plate 24. The speed control mechanism 05 is convenient for adjusting the feeding rate of the steel sand, thereby improving the screening quality, and the discharge mechanism 06 is convenient for discharging unqualified steel sand after screening.

[0032] Example 2

[0033] like Figure 6 and Figure 8 As shown, a steel sand screening and feeding mechanism includes a taking mechanism 01, a screening mechanism 02, a mounting mechanism 03, a driving mechanism 04, a speed control mechanism 05 and a discharging mechanism 06, wherein the screening mechanism 02 is mounted in the taking mechanism 01, the mounting mechanism 03 is mounted on the screening mechanism 02, the driving mechanism 04 is mounted in the taking mechanism 01, the speed control mechanism 05 is mounted on the taking mechanism 01, and the discharging mechanism 06 is mounted at the bottom end of the taking mechanism 01;

[0034] The driving mechanism 04 drives the screening mechanism 02 to screen the steel sand, the taking mechanism 01 is used to take the screened steel sand in the screening mechanism 02, the speed control mechanism 05 is used to adjust the feeding rate of the steel sand, and the discharging mechanism 06 is used to discharge the unqualified steel sand after screening;

[0035] The speed control mechanism 05 includes a feed hopper 51, a fixed feed plate 52, a rotating feed plate 53, a bevel gear ring 54 and a bevel gear 55. The feed hopper 51 is installed at the top of the processing box 11. A feed pipe is provided on the feed hopper 51. The fixed feed plate 52 is installed on the inner wall of the feed pipe of the feed hopper 51. The rotating feed plate 53 is rotatably installed on the inner wall of the feed pipe. Feed holes are provided on the fixed feed plate 52 and the rotating feed plate 53. The bevel gear ring 54 is installed at the bottom end of the rotating feed plate 53. The bevel gear 55 is rotatably installed on the side wall of the feed pipe of the feed hopper 51 through a rotating shaft. The bevel gear 55 is meshed with the bevel gear ring 54.

[0036] The discharge mechanism 06 includes a discharge sleeve 61, a rotating shaft 62, an auger blade 63, a discharge motor 64, two pulleys 65 and a transmission belt 66. The discharge sleeve 61 is installed at the bottom end of the processing box 11, the rotating shaft 62 is rotatably installed in the discharge sleeve 61, the auger blade 63 is installed on the rotating shaft 62, the discharge motor 64 is installed on the outer wall of the discharge sleeve 61, the two pulleys 65 are respectively installed on the output end of the discharge motor 64 and the rotating shaft 62, the transmission belt 66 connects the two pulleys 65, and the discharge sleeve 61 is provided with a discharge port;

[0037] The driving mechanism 04 drives the screening mechanism 02 to screen the steel sand, and the picking mechanism 01 facilitates the picking of the screened steel sand in the screening mechanism 02 to improve convenience. The steel sand is stored through the feed hopper 51, and the rotating shaft of the bevel gear 55 is rotated and the rotating feed plate 53 is driven to rotate through the meshing relationship between the bevel gear 55 and the bevel gear ring 54. The speed of steel sand feeding is adjusted by adjusting the overlap between the feed openings of the fixed feed plate 52 and the rotating feed plate 53 to improve the quality of steel sand screening. The steel sand falls into the discharge sleeve 61 through the processing box 11, and the discharge motor 64 is turned on to drive the shaft 62 to rotate under the drive of the transmission belt 66, thereby driving the auger blade 63 to discharge the steel sand from the discharge opening of the discharge sleeve 61.

[0038] like Figures 1 to 8As shown, a steel sand screening and feeding mechanism of the utility model, when working, opens the sealing door 12 to facilitate the taking of the steel sand screened by the screening mechanism 02, thereby improving convenience, and fixes the sealing door 12 by the locking plate 13, and when the screen plate 24 needs to be replaced and installed, the fixing plate 32 is aligned with the through slot 31, and the fixing plate 32 passes through the through slot 31, and then the screen plate 24 is installed on the mounting seat of the screening box 22, and then the fixing plate 32 is rotated, and the screen plate 24 is fixed to the fixing seat by the fixing plate 32, so as to facilitate the adjustment of the screening diameter, and the driving shaft 41 is driven to rotate by turning on the first motor 43, and then the cam shaft 42 is driven to rotate, and the cam point of the cam shaft 42 squeezes the screening box 22 on the guide seat. 21 reciprocates, and the screening box 22 is driven by the spring 23 to slide and reset on the guide seat 21, thereby improving the screening efficiency of the steel sand, screening the steel sand through the screen plate 24, and storing the steel sand through the feed hopper 51, and the rotating shaft of the rotating bevel gear 55 is driven to rotate through the meshing relationship between the bevel gear 55 and the bevel gear ring 54, and the speed of feeding the steel sand is adjusted by the overlap size of the feeding port of the fixed feeding plate 52 and the rotating feeding plate 53, so as to improve the quality of steel sand screening, and the steel sand falls into the discharge sleeve 61 through the processing box 11, and the discharge motor 64 is turned on, and the shaft 62 is driven to rotate under the transmission of the transmission belt 66, thereby driving the auger blade 63 to discharge the steel sand from the discharge port of the discharge sleeve 61.

[0039] The first motor 43 and the discharging motor 64 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals, without the need for technical personnel in the field to make creative efforts.

[0040] The main functions realized by the utility model are: in the process of steel sand screening and feeding, it is convenient to adjust the screening size of steel sand and the speed of steel sand feeding, so as to improve the quality and efficiency of screening.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A steel sand screening and feeding mechanism, comprising a taking mechanism (01); characterized in that: It also includes a screening mechanism (02), a mounting mechanism (03), a driving mechanism (04), a speed control mechanism (05) and a discharging mechanism (06), wherein the screening mechanism (02) is mounted in the picking mechanism (01), the mounting mechanism (03) is mounted on the screening mechanism (02), the driving mechanism (04) is mounted in the picking mechanism (01), the speed control mechanism (05) is mounted on the picking mechanism (01), and the discharging mechanism (06) is mounted at the bottom end of the picking mechanism (01); The driving mechanism (04) drives the screening mechanism (02) to screen the steel sand. The taking mechanism (01) facilitates taking the screened steel sand in the screening mechanism (02). The speed control mechanism (05) facilitates adjusting the feeding rate of the steel sand. The discharging mechanism (06) facilitates discharging unqualified steel sand after screening.

2. A steel sand screening and feeding mechanism as claimed in claim 1, characterized in that: The taking mechanism (01) comprises a processing box (11), a sealing door (12) and a locking plate (13); the sealing door (12) is rotatably mounted on the side wall of the processing box (11) via a hinge, and the locking plate (13) is rotatably mounted on the outer wall of the processing box (11).

3. A steel sand screening and feeding mechanism as claimed in claim 2, characterized in that: The screening mechanism (02) comprises a guide seat (21), a screening box (22), a spring (23) and a screening plate (24); the guide seat (21) is mounted on the inner wall of the processing box (11); the screening box (22) is slidably mounted on the guide seat (21); the spring (23) connects the guide seat (21) and the screening box (22); and the screening plate (24) is mounted on the screening box (22) through the mounting mechanism (03).

4. A steel sand screening and feeding mechanism as claimed in claim 3, characterized in that: The mounting mechanism (03) comprises a through slot (31) and a fixing plate (32). A fixing seat is arranged on the screening box (22). The fixing plate (32) is rotatably mounted on the fixing seat. The screening plate (24) is provided with a through slot (31).

5. A steel sand screening and feeding mechanism as claimed in claim 2, characterized in that: The driving mechanism (04) comprises a driving shaft (41), a convex shaft (42) and a first motor (43); the convex shaft (42) is rotatably mounted on the inner wall of the processing box (11) through the driving shaft (41); the first motor (43) is mounted on the outer wall of the processing box (11); and the output end of the first motor (43) is connected to the driving shaft (41).

6. A steel sand screening and feeding mechanism as claimed in claim 2, characterized in that: The speed control mechanism (05) comprises a feed hopper (51), a fixed feed plate (52), a rotating feed plate (53), a bevel gear ring (54) and a bevel gear (55). The feed hopper (51) is mounted on the top of the processing box (11). A feed pipe is arranged on the feed hopper (51). The fixed feed plate (52) is mounted on the inner wall of the feed pipe of the feed hopper (51). The rotating feed plate (53) is rotatably mounted on the inner wall of the feed pipe. Feed holes are arranged on the fixed feed plate (52) and the rotating feed plate (53). The bevel gear ring (54) is mounted on the bottom end of the rotating feed plate (53). The bevel gear (55) is rotatably mounted on the side wall of the feed pipe of the feed hopper (51) through a rotating shaft. The bevel gear (55) meshes with the bevel gear ring (54).

7. A steel sand screening and feeding mechanism as claimed in claim 2, characterized in that: The discharging mechanism (06) comprises a discharging sleeve (61), a rotating shaft (62), an auger blade (63), a discharging motor (64), two pulleys (65) and a transmission belt (66). The discharging sleeve (61) is mounted at the bottom end of the processing box (11), the rotating shaft (62) is rotatably mounted in the discharging sleeve (61), the auger blade (63) is mounted on the rotating shaft (62), the discharging motor (64) is mounted on the outer wall of the discharging sleeve (61), the two pulleys (65) are respectively mounted on the output end of the discharging motor (64) and the rotating shaft (62), the transmission belt (66) connects the two pulleys (65), and a discharging port is arranged on the discharging sleeve (61).

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