Shot blasting machine

Abstract

The utility model provides a shot blasting machine, which belongs to the technical field of shot blasting machines, and comprises a rack and a shot blasting machine body fixed on the rack, and further comprises a shell fixed on the shot blasting machine body, the shell is connected with the shot blasting machine body through a butt joint pipe, the butt joint pipe is provided with a filter screen, the shell is provided with a cleaning unit, and the cleaning unit is connected with the shot blasting machine body. The cleaning unit is used for cleaning impurities on the filter screen; dust and impurities attached to the filter screen are cleaned through the cleaning unit, and then it is ensured that the filter screen keeps a relative filtering effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shot -blasting machine technical field especially relates to a kind of shot -blasting machine. BACKGROUND

[0002] In industrial production, many metal workpieces or materials will produce scale, rust, dirt and other impurities on the surface during processing and use, which not only affects the appearance, but also may reduce the performance and service life of the workpiece. As an important surface treatment equipment, shot -blasting machine can efficiently clean impurities and improve the surface quality of workpiece by high-speed projectile impact on the surface of workpiece, and is widely used in casting, machinery manufacturing, automobile, ship and many other industries.

[0003] The existing shot -blasting machine dust removal system usually uses centrifugal fan to extract dust-containing gas from the shot -blasting chamber. However, the dust-containing gas carries impurities, which can cause excessive impurities to adhere to the surface of the filter screen and even cause blockage, making it difficult to ensure dust removal during shot -blasting processing.

[0004] Chinese patent document publication number (CN222430428U) "discloses a shot -blasting machine, including processing bin, the top of the processing bin is fixedly connected with the feeding pipe with one end penetrating and extending to the inside of processing bin, the inside of processing bin is provided with cleaning mechanism, the cleaning mechanism includes filter screen movably connected with the inside of processing bin, the bottom of the filter screen is fixedly connected with mounting plate, the back inner wall of processing bin is fixedly connected with motor, the output shaft of left and right sides of motor is fixedly connected with cam, the back inner wall of processing bin is fixedly connected with two fixed blocks, the top of two fixed blocks is fixedly connected with tension spring. The shot -blasting machine, by setting cleaning mechanism, when having iron filings and some other impurities remaining on workpiece are fed into processing bin through feeding pipe, the filter screen in the inside of processing bin can separate iron filings and shot -blasting, so that workers do not need to manually clean the shot -blasting, improving the continuity of shot -blasting process. The above-mentioned patent document can ensure the continuity of shot -blasting process, but it is difficult to clean the filter screen used for dust removal. UTILITY MODEL CONTENTS

[0005] The utility model in the prior art provides a shot -blasting machine, dust and impurities adhered to the filter screen are cleaned by cleaning unit, and then the relative filtering effect of the filter screen is ensured.

[0006] To solve the above technical problems, the utility model solves the problem of filter screen blockage in long-time shot -blasting processing dust removal system affecting dust removal effect by the following technical scheme.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] A shot blasting machine, comprising:

[0009] The shot blasting machine body fixed on the rack further comprises:

[0010] The shell fixed on the shot blasting machine body is connected with the shot blasting machine body through a butt joint pipe, a filter screen is arranged on the butt joint pipe, and a cleaning unit is arranged on the shell, and the cleaning unit is used for cleaning impurities on the filter screen.

[0011] Preferably, the cleaning unit comprises two mounting sleeves fixed on the butt joint pipe, and a movable plate fixed on the filter screen, the movable plate is slidably connected with the mounting sleeves, a sliding groove is formed in the mounting sleeve, the movable plate is slidably connected with the sliding groove through a mounting plate a, a mounting plate b is fixed on the butt joint pipe, springs are fixed between the mounting plate b and the mounting plate a, a rotating shaft is rotatably connected with the shell, at least two incomplete gears are fixed on the rotating shaft, a toothed plate meshingly connected with the incomplete gears is fixed on the filter screen, a driving motor is fixed on the shell, a belt wheel is fixed between the output shaft of the driving motor and the rotating shaft, and the two belt wheels are connected through a belt.

[0012] Preferably, a brush roller is tightly sleeved on the outer surface of the rotating shaft, the brush roller is in contact with the filter screen, and the brush roller and the central axis of the rotating shaft are arranged in a same line.

[0013] Preferably, a blocking plate is fixed on the filter screen, the blocking plate and the filter screen are arranged in an inclined distribution, a blocking plate is fixed on the filter screen, the included angle between the blocking plate and the filter screen is arranged in a right angle shape, and a partition plate is fixed on the blocking plate.

[0014] Preferably, at least two supports are fixed on the butt joint pipe, brush plates are fixed on the supports, and the brush plates are in contact with the filter screen.

[0015] Preferably, a support frame is fixed on the shell, a centrifugal fan is fixed on the support frame, and the input end of the centrifugal fan is in communication with the inside of the shell.

[0016] Preferably, a through groove is formed in the shell, a filter plate is slidably connected in the through groove, and the filter plate is located directly above the centrifugal fan.

[0017] Preferably, a positioning frame is fixed in the shell, and the filter plate is in abutment with the positioning frame.

[0018] Preferably, a handle is fixed on the filter plate, a limiting plate is rotatably connected with the shell, and a limiting groove matched with the limiting plate is formed in the filter plate.

[0019] Preferably, the opening length of the limiting groove is greater than the length of the limiting plate, and one side wall of the limiting plate is provided with a chamfered slope.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] This utility model provides a shot blasting machine. Through the setting of the cleaning unit, it can shake off the impurities accumulated and adsorbed on the filter screen by up and down shaking, thereby ensuring that the filter screen maintains a good filtration effect. The vibration generated by shaking can effectively shake off the impurities, and has a good removal effect on the impurities attached to the filter screen.

[0022] This utility model provides a shot blasting machine, in which the baffle plate and the filter screen are set at a right angle, and a partition plate is fixed on the baffle plate. By adding the baffle plate, the baffle plate and the partition plate, the shot can be effectively prevented from entering the shell through the gaps in the filter plate. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a side view of the structure of this utility model;

[0026] Figure 3 This is a side sectional view of the outer shell of this utility model;

[0027] Figure 4 for Figure 3 Enlarged schematic diagram of the structure of region A in the middle;

[0028] Figure 5 for Figure 3 Enlarged schematic diagram of the structure of region B in the middle;

[0029] Figure 6 This is a schematic diagram of the rear view structure of this utility model;

[0030] Figure 7 This is a schematic diagram of the outer shell structure of this utility model;

[0031] Figure 8 This is a side sectional view of the filter screen of this utility model.

[0032] Figure number explanation: 1, rack; 2, shot blasting machine body; 3, shell; 4, butt joint pipe; 5, filter screen; 6, cleaning unit; 61, mounting sleeve; 62, chute; 63, movable plate; 64, mounting plate a; 65, mounting plate b; 66, spring; 67, rotating shaft; 68, incomplete gear; 69, toothed plate; 610, driving motor; 611, pulley; 612, belt; 7, brush roller; 8, baffle plate; 9, blocking plate; 10, partition plate; 11, support; 12, brush plate; 13, support frame; 14, centrifugal fan; 15, through slot; 16, filter plate; 17, positioning frame; 18, handle; 19, limiting plate; 20, limiting groove. DETAILED DESCRIPTION

[0033] The utility model will be described in further detail below in combination with the drawings.

[0034] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other implementation, modification, improvement, equivalent and other technical solutions without departing from the spirit and scope of the utility model.

[0035] Those skilled in the art should understand that in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of the simplified description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0036] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0037] Embodiment one: please refer to Figures 1-8 A shot blasting machine, comprising: a rack 1 and a shot blasting machine body 2 fixed on the rack 1, further comprising: a shell 3 fixed on the shot blasting machine body 2, the shell 3 and the shot blasting machine body 2 are connected through a butt joint pipe 4, the butt joint pipe 4 is provided with a filter screen 5, and the shell 3 is provided with a cleaning unit 6, the cleaning unit 6 is used for cleaning impurities on the filter screen 5.

[0038] The shell 3 is fixed with a support frame 13, the support frame 13 is fixed with a centrifugal fan 14, the input end of the centrifugal fan 14 is communicated with the inside of the shell 3, a through slot 15 is arranged on the shell 3, a filter plate 16 is slidably connected in the through slot 15, the filter plate 16 is located directly above the centrifugal fan 14, the dust-containing gas in the shell 3 is pressurized and discharged by the centrifugal fan 14, so as to realize the control of the dust-containing gas suction and discharge, which is a conventional setting in the art and will not be described in detail here.

[0039] It should be noted that when the shot blasting machine body 2 is running, the dust-containing gas generated by the butt joint pipe 4 enters the shell 3, the dust-containing gas is filtered by the filter screen 5, the dust-containing gas after the filtering treatment is discharged, the filter screen 5 is cleaned by the cleaning unit 6, so as to avoid the blockage caused by impurities affecting the filtering effect;

[0040] It should be noted that the shell 3 is provided with a through slot 15, the filter plate 16 is slidably connected in the through slot 15, the filter plate 16 is located directly above the centrifugal fan 14, the gas is filtered by the filter plate 16, so as to ensure that the gas discharged by the centrifugal fan 14 is relatively clean, the shell 3 is fixed with a positioning frame 17, the filter plate 16 abuts against the positioning frame 17, the positioning frame 17 is added, so that the filter plate 16 can be accurately pushed into the specified position, and the position of the filter plate 16 is located directly above the centrifugal fan 14;

[0041] The filter plate 16 is fixed with a handle 18, the shell 3 is rotatably connected with a limiting plate 19, and the filter plate 16 is provided with a limiting slot 20 matched with the limiting plate 19, the length value of the limiting slot 20 is greater than that of the limiting plate 19, and the side wall of the limiting plate 19 is provided as an inverted chamfered surface, when the filter plate 16 is installed, the limiting plate 19 is rotated to be engaged with the limiting slot 20, so as to position the filter plate 16, and the filter plate 16 is disassembled by rotating the limiting plate 19 until it is separated from the limiting slot 20, and then the handle 18 is pulled to disassemble the filter plate 16.

[0042] Further, as Figures 2-7As shown, the cleaning unit 6 comprises: two mounting sleeves 61 fixed on the docking pipe 4, and a movable plate 63 fixed on the filter screen 5, the movable plate 63 being slidingly connected with the mounting sleeves 61, a sliding groove 62 being formed on the mounting sleeve 61, and the movable plate 63 being slidingly connected with the sliding groove 62 through a mounting plate a 64, an installation plate b 65 being fixed on the docking pipe 4, springs 66 being fixed between the installation plate b 65 and the mounting plate a 64, a rotating shaft 67 being rotatably connected with the shell 3, at least two incomplete gears 68 being fixed on the rotating shaft 67, a toothed plate 69 being fixed on the filter screen 5 and being meshingly connected with the incomplete gears 68, a driving motor 610 being fixed on the shell 3, a belt wheel 611 being fixed between the output shaft of the driving motor 610 and the rotating shaft 67, two belt wheels 611 being connected through a belt 612, at least two supports 11 being fixed on the docking pipe 4, a brush plate 12 being fixed on the support 11, and the brush plate 12 being in contact with the filter screen 5, so that the brush plate 12 can be in frictional contact with the filter screen 5 when the filter screen 5 reciprocates up and down, thereby cleaning the impurities on both sides of the filter screen 5;

[0043] Wherein, the brush roller 7 is sleeved on the outer surface of the rotating shaft 67, and the brush roller 7 is in contact with the filter screen 5, and the center axis of the brush roller 7 and the rotating shaft 67 are arranged in a same line, and the brush roller 7 can effectively cooperate with the cleaning mode of the cleaning unit 6 to rotate and clean the surface of the filter screen 5, thereby further enhancing the cleaning effect of the filter screen 5.

[0044] It should be noted that, through the setting of the cleaning unit 6, the impurities adsorbed on the filter screen 5 can be shaken off by shaking up and down, thereby ensuring that the filter screen 5 maintains good filtering effect, and the impurities can be effectively shaken off by the vibration generated by shaking, and the filter screen 5 has good cleaning effect on the impurities.

[0045] Embodiment two: refer to Figure 8 As shown, the embodiment further illustrates embodiment one, and the difference lies in that the shape of the filter screen 5 is optimized.

[0046] Specifically, the filter screen 5 is fixed with a blocking plate 8, the blocking plate 8 and the filter screen 5 are arranged in an inclined manner, the filter screen 5 is fixed with a blocking plate 9, the angle between the blocking plate 9 and the filter screen 5 is arranged in a right angle, and the blocking plate 8 is fixed with a partition plate 10, and through the addition of the blocking plate 10, the blocking plate 9 and the partition plate 10, the steel shots can be effectively prevented from entering the shell 3 from the gap of the filter plate 16.

[0047] In this scheme, when the dust-containing gas generated by the shot blasting machine body 2 is filtered and treated:

[0048] First, by driving the centrifugal fan 14, the dust-containing gas in the shell 3 and the inside of the shot blasting machine body 2 is extracted, and the primary filtering treatment is performed by the filter screen 5, and the secondary filtering treatment of dust and impurities is performed by the filter plate 16;

[0049] Secondly, by driving the motor 610, the transmission of the belt wheel 611 and the belt 612 is used to make the rotating shaft 67 rotate synchronously, drive the incomplete gear 68 to rotate synchronously, and make the filter screen 5 move along the installation sleeve 61 under force by the meshing transmission between the incomplete gear 68 and the toothed plate 69. At this time, the spring 66 is in a compressed state, and the spring 66 is used to automatically reset the filter screen 5 when the filter screen 5 is in an unforced state, so as to achieve the purpose of the up-and-down reciprocating movement of the filter screen 5.

[0050] Then, when the rotating shaft 67 rotates, the brush roller 7 rotates synchronously, the dust on the filter screen 5 is rotated and cleaned by the brush roller 7, and the filter screen 5 reciprocates up and down to rub and contact the brush plate 12, thereby completing the re-cleaning of the filter screen 5.

[0051] The centrifugal fan 14 and the driving motor 610 can be purchased in the market, the driving motor 610 is provided with a power supply, and it is a mature technology in the field and has been fully disclosed, so the description is not repeated here.

[0052] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the implementation of the utility model can be any deformation or modification without departing from the principle.

Claims

1. A shot blasting machine, comprising: The frame (1) and the shot blasting machine body (2) fixed on the frame (1); Its characteristic is that it further includes: The outer shell (3) is fixed on the shot blasting machine body (2). The outer shell (3) is connected to the shot blasting machine body (2) through a connecting pipe (4). A filter screen (5) is provided on the connecting pipe (4), and a cleaning unit (6) is provided on the outer shell (3). The cleaning unit (6) is used to clean the impurities on the filter screen (5).

2. The shot blasting machine according to claim 1, characterized in that, The cleaning unit (6) includes: two mounting sleeves (61) fixed on the connecting pipe (4), and a movable plate (63) fixed on the filter screen (5). The movable plate (63) is slidably connected to the mounting sleeves (61). A groove (62) is provided on the mounting sleeves (61), and the movable plate (63) is slidably connected to the groove (62) through a mounting plate a (64). A mounting plate b (65) is fixed on the connecting pipe (4), and the mounting plate b (65) is connected to the mounting plate a (64). A spring (66) is fixed together between the two parts. A rotating shaft (67) is rotatably connected to the outer shell (3). At least two incomplete gears (68) are fixed on the rotating shaft (67). A toothed plate (69) that meshes with the incomplete gears (68) is fixed on the filter screen (5). A drive motor (610) is fixed on the outer shell (3). A pulley (611) is fixed between the output shaft of the drive motor (610) and the rotating shaft (67). The two pulleys (611) are connected by a belt (612).

3. A shot blasting machine according to claim 2, characterized in that, A brush roller (7) is fastened to the outer surface of the rotating shaft (67), and the brush roller (7) is in contact with the filter screen (5). The brush roller (7) and the central axis of the rotating shaft (67) are collinear.

4. A shot blasting machine according to claim 1, characterized in that, A baffle plate (8) is fixed on the filter screen (5). The baffle plate (8) and the filter screen (5) are arranged at an incline. A barrier plate (9) is fixed on the filter screen (5). The barrier plate (9) and the filter screen (5) are arranged at a right angle. A partition plate (10) is fixed on the baffle plate (8).

5. A shot blasting machine according to claim 1, characterized in that, At least two brackets (11) are fixed on the connecting pipe (4), and a brush plate (12) is fixed on the bracket (11). The brush plate (12) is in contact with the filter screen (5).

6. A shot blasting machine according to claim 1, characterized in that, A support frame (13) is fixed on the outer shell (3), and a centrifugal fan (14) is fixed on the support frame (13). The input end of the centrifugal fan (14) is connected to the inside of the outer shell (3).

7. A shot blasting machine according to claim 6, characterized in that, The outer casing (3) has a through groove (15), and a filter plate (16) is slidably connected in the through groove (15). The filter plate (16) is located directly above the centrifugal fan (14).

8. A shot blasting machine according to claim 7, characterized in that, A positioning frame (17) is fixed inside the outer shell (3), and the filter plate (16) abuts against the positioning frame (17).

9. A shot blasting machine according to claim 7, characterized in that, A handle (18) is fixed on the filter plate (16), a limiting plate (19) is rotatably connected to the outer shell (3), and a limiting groove (20) adapted to the limiting plate (19) is provided on the filter plate (16).

10. A shot blasting machine according to claim 9, characterized in that, The opening length of the limiting groove (20) is greater than the length of the limiting plate (19), and one side wall of the limiting plate (19) is set with a chamfered slope.

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