阅读说明：本技术 一种喷砂回收系统及其喷砂枪调节装置 (Sand blasting recovery system and sand blasting gun adjusting device thereof ) 是由 邓兴忠 刘凯 冯长征 于 2020-06-30 设计创作，主要内容包括：本发明涉及一种喷砂回收系统及其喷砂枪调节装置,喷砂回收系统包括输送机构、喷砂室(1)、砂尘分离器和粉尘收集器,喷砂室(1)内顶部设置喷砂枪组件,砂尘分离器通过管道(27)与喷砂室(1)底部连接；粉尘收集器通过管道(27)与砂尘分离器连接,粉尘收集器内设置有鼓风机(3)；输送机构穿过喷砂室(1)设置；喷砂枪调节装置包括摆动机构和调距装置,喷砂枪组件通过喷砂枪固定架(28)悬挂在喷砂室(1)内,喷砂枪组件包括至少两个喷砂枪(2),摆动机构与喷砂枪固定架(28)固定连接；调距装置与摆动机构连接。本发明的目的在于提供喷砂回收系统,其可对砂料进行回收重复利用,防止砂料在厂房内扩散影响工作人员的身体健康。(The invention relates to a sand blasting recovery system and a sand blasting gun adjusting device thereof, wherein the sand blasting recovery system comprises a conveying mechanism, a sand blasting chamber (1), a sand dust separator and a dust collector, wherein a sand blasting gun component is arranged at the top in the sand blasting chamber (1), and the sand dust separator is connected with the bottom of the sand blasting chamber (1) through a pipeline (27); the dust collector is connected with the sand-dust separator through a pipeline (27), and a blower (3) is arranged in the dust collector; the conveying mechanism penetrates through the sand blasting chamber (1); the sand blasting gun adjusting device comprises a swinging mechanism and a distance adjusting device, a sand blasting gun assembly is suspended in the sand blasting chamber (1) through a sand blasting gun fixing frame (28), the sand blasting gun assembly comprises at least two sand blasting guns (2), and the swinging mechanism is fixedly connected with the sand blasting gun fixing frame (28); the distance adjusting device is connected with the swing mechanism. The invention aims to provide a sand blasting recovery system which can recover and reuse sand materials and prevent the sand materials from diffusing in a factory building to influence the health of workers.)

1. The utility model provides a sandblast recovery system and sandblast rifle adjusting device which characterized in that: the sand blasting recovery system comprises a conveying mechanism, a sand blasting chamber (1), a sand dust separator and a dust collector, wherein a sand blasting gun assembly is arranged at the top in the sand blasting chamber (1), and the sand dust separator is connected with the bottom of the sand blasting chamber (1) through a pipeline (27); the dust collector is connected with the sand-dust separator through a pipeline (27), and a blower (3) is arranged in the dust collector; the conveying mechanism is arranged through the sand blasting chamber (1); the sand blasting gun adjusting device comprises a swinging mechanism and a distance adjusting device, the sand blasting gun assembly is suspended in the sand blasting chamber (1) through a sand blasting gun fixing frame (28), the sand blasting gun assembly comprises at least two sand blasting guns (2), and the swinging mechanism is fixedly connected with the sand blasting gun fixing frame (28); the distance adjusting device is connected with the swing mechanism.

2. The sand blasting recycling system and the adjusting device of the sand blasting gun thereof according to claim 1, wherein: the sand-dust separator and the dust collector are respectively provided with two parts, the two parts comprise a front-section sand-dust separator (4), a front-section dust collector (5), a rear-section sand-dust separator (6) and a rear-section dust collector (7), the front-section sand-dust separator and the rear-section dust collector are respectively used for recovering sand dust generated at the front section and the rear section of the sand blasting chamber (1), and the front-section sand-dust separator (4) is connected with the front-section dust collector (5) through a pipeline (27); the rear-section sand-dust separator (6) is connected with the rear-section dust collector (7) through a pipeline (27).

3. The sand blast recycling system and the adjusting device of the sand blast gun thereof according to claim 1 or 2, wherein: the conveying mechanism comprises a feeding mechanism (8) and a discharging mechanism (9), and the feeding mechanism (8) and the discharging mechanism (9) respectively comprise a feeding frame (10), a motor and a plurality of transmission assemblies; the transmission assemblies are arranged on the feeding frame (10) in an equal-gap and inclined mode; the transmission assembly comprises two bearing seats (11), a transmission rod (12), a transmission wheel (13), a first gear (14) and a second gear (15); the transmission wheel (13) is fixed on the transmission rod (12), and the transmission rod (12) is rotatably arranged on the feeding frame (10) through two bearing seats (11); the first gear (14) and the second gear (15) are fixed on the transmission rod (12) and rotate synchronously.

4. The sand blasting recycling system and the adjusting device of the sand blasting gun thereof according to claim 3, wherein: the second gear (15) of the feeding mechanism (8) is driven by the motor or by a first gear (14) of the adjacent transmission assembly, and the first gear (14) is connected with the second gear (15) of the adjacent transmission assembly through a chain; the second gear (15) of the blanking mechanism (9) is driven by the motor, and the second gear (15) is connected with the adjacent first gear (14) of the transmission assembly through a chain.

5. The sand blasting recycling system and the adjusting device of the sand blasting gun thereof according to claim 4, wherein: a plurality of funnel-shaped sand collectors (16) are arranged at the bottom in the sand blasting chamber (1), a front section sand return pipeline (17) and a rear section sand return pipeline (18) are further arranged at the bottom of the sand collector (16), the sand collector (16) at the front section in the sand blasting chamber (1) is communicated with the front section sand return pipeline (17), and the sand collector (16) at the rear section in the sand blasting chamber (1) is communicated with the rear section sand return pipeline (18); the front-section sand return pipeline (17) is connected with the front-section sand-dust separator (4); the rear sand return pipeline (18) is connected with the rear sand-dust separator (6).

6. The sand blasting recycling system and the adjusting device of the sand blasting gun thereof according to claim 1, wherein: the sand-dust separator comprises a box body (19), a conical barrel (20), a gravel collecting box (21) and a support (22), wherein the box body (19) is fixed above the support (22), the box body (19) surrounds the conical barrel (20), an inlet is formed in the circumferential wall of the conical barrel (20), outlets are formed in the bottom and the top of the circumferential wall, the inlet of the conical barrel (20) is connected with the bottom of the sand blasting chamber (1), and the outlet in the top of the conical barrel (20) is connected with the dust collector; the gravel collecting box (21) is arranged below the outlet at the bottom of the conical barrel (20), and a second filter screen (23) is arranged between the gravel collecting box (21) and the conical barrel (20); a central pipe (24) is arranged at an outlet at the top of the conical barrel (20), and a first filter screen (25) is arranged at one end, located in the conical barrel (20), of the central pipe (24); the dust collector includes a housing and a dust collection bin (26) within the housing.

7. The sand blasting recycling system and the adjusting device of the sand blasting gun thereof according to claim 1, wherein: the swing mechanism comprises a first frame body (29), a second frame body (30), a translational driving speed reducer (31), a disc (32), a connecting rod (33), a translational frame (34), a first guide rail (35), a first sliding block (36), a second guide rail (37) and a second sliding block (38); the first frame body (29) and the second frame body (30) are respectively fixed on the outer walls of two sides of the sand blasting chamber (1), the translation driving speed reducer (31) is fixed in the first frame body (29), the disc (32) is connected to the output end of the translation driving speed reducer (31), one end of the connecting rod (40) is connected to the edge part of the disc (32), and the other end of the connecting rod is fixedly connected with one end, far away from the sand blasting chamber (1), of the translation frame (34); the first guide rail (35) is fixed in the first frame body (29) and is positioned below the translation frame (34), the first sliding block (36) is matched with the first guide rail (35), and the translation frame (34) is fixed above the first sliding block (36); the second guide rail (37) is fixed in the second frame body (30), the second sliding block (38) is matched with the second guide rail (37), one end of the sand blasting gun fixing frame (28) is fixedly connected with the translation frame (34), and the other end of the sand blasting gun fixing frame is fixedly connected with the second sliding block (38).

8. The sand blast recycling system and the adjusting device of the sand blast gun thereof according to claim 7, wherein: the distance adjusting device comprises an up-and-down moving speed reducer (39) installed at the middle section of the top of the sand blasting chamber (1), rotating rods (40) are arranged on two sides of the up-and-down moving speed reducer (39), the rotating rods (40) are connected to the output end of the up-and-down moving speed reducer (39), one end, far away from the up-and-down moving speed reducer (39), of each rotating rod (40) is connected with a first chain wheel (41), and the first chain wheels (41) are respectively located above the first frame body (29) and the second frame body (30); second chain wheels (42) are arranged below the first frame body (29) and the second frame body (30), the first chain wheels (41) and the second chain wheels (42) are connected and driven through first chains (43), the first chains (43) penetrate through the first frame body (29) and the second frame body (30) and are arranged, the first frame body (29) is fixedly connected with the left section of the first chains (43), and the second frame body (30) is fixedly connected with the right section of the first chains (43); still vertically be provided with third guide rail (44) on the outer wall of sandblast room (1) both sides, first support body (29) with second support body (30) with third guide rail (44) are provided with third slider (45) correspondingly, third slider (45) with third guide rail (44) looks adaptation.

9. The sand blast recycling system and the adjusting device of the sand blast gun thereof according to claim 8, wherein: the distance adjusting device further comprises a first cross bar (46), a second cross bar (47) and a third cross bar (48), the first cross bar (46) penetrates through a gap between rollers of the first chain (43) at the left section, the second cross bar (47) and the third cross bar (48) are arranged perpendicular to the first cross bar (46), the second cross bar (47) and the third cross bar (48) are distributed on two sides of the first cross bar (46), and the second cross bar (47) and the third cross bar (48) are fixedly connected with the first cross bar (46); the first cross bar (46) is positioned below the second cross bar (47) and the third cross bar (48), the second cross bar (47) and the third cross bar (48) are positioned below the tops of the first frame body (29) and the second frame body (30), and the second cross bar (47) and the third cross bar (48) are both abutted against the first frame body (29) and the second frame body (30); the roll adjustment device still includes counter weight jar (49), fixed pulley (50) and hawser (51), fixed pulley (50) set up respectively the both sides at sandblast room (1) top just are located first support body (29) with the top of second support body (30), hawser (51) erect on fixed pulley (50), first support body (29) with second support body (30) pass through hawser (51) with counter weight jar (49) are connected, counter weight jar (49) are the suspension state.

10. The sand blast recycling system and the adjusting device of the sand blast gun thereof according to claim 9, wherein: the first support body (29) with second support body (30) top sets up two sets respectively fixed pulley (50), and is two sets of fixed pulley (50) are located respectively first support body (29) or the both sides of second support body (30) top, hawser (51) with the tie point of first support body (29) or second support body (30) is located the both sides of first support body (29) or second support body (30).

Technical Field

The invention relates to the technical field of polishing equipment, in particular to a sand blasting recovery system and a sand blasting gun adjusting device thereof.

Background

In the manufacturing industry, the surface treatment of the product is common and important work, the surface treatment quality of the product directly affects the sale, credit and the like of the product, and when the surface quality of the product is controlled, the sand blasting treatment of the surfaces of the parts of the product is often the premise of the subsequent oil spraying, paint spraying and other works, so the sand blasting effect of the surfaces of the parts directly affects the subsequent surface treatment quality, and therefore, the selection of a good sand blasting room and a good sand blasting mechanism is an important link. The sand material that produces after the sandblast diffuses in the air and reduces the air quality of work factory building and needs in time retrieve, can also in time screen the utilization to reuse's sand material simultaneously. Therefore, a set of sand blasting recovery systems capable of recovering sand is needed in the market.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a sand blasting recovery system which can recover and reuse sand materials and prevent the sand materials from diffusing around in a factory building to influence the health of workers.

The invention provides a sand blasting recovery system and a sand blasting gun adjusting device thereof, wherein the sand blasting recovery system comprises a conveying mechanism, a sand blasting chamber, a sand dust separator and a dust collector, a sand blasting gun assembly is arranged at the top in the sand blasting chamber, and the sand dust separator is connected with the bottom of the sand blasting chamber through a pipeline; the dust collector is connected with the sand-dust separator through a pipeline, and a blower is arranged in the dust collector; the conveying mechanism is arranged through the sand blasting chamber; the sand blasting gun adjusting device comprises a swinging mechanism and a distance adjusting device, the sand blasting gun assembly is suspended in the sand blasting chamber through a sand blasting gun fixing frame and comprises at least two sand blasting guns, and the swinging mechanism is fixedly connected with the sand blasting gun fixing frame; the distance adjusting device is connected with the swing mechanism.

Preferably, the sand-dust separator and the dust collector are respectively provided with two parts, including a front-section sand-dust separator, a front-section dust collector, a rear-section sand-dust separator and a rear-section dust collector, which are respectively used for recovering sand and dust generated by the front section and the rear section of the sand blasting chamber, and the front-section sand-dust separator is connected with the front-section dust collector through a pipeline; the rear section sand-dust separator is connected with the rear section dust collector through a pipeline.

Preferably, the conveying mechanism comprises a feeding mechanism and a discharging mechanism, and the feeding mechanism and the discharging mechanism respectively comprise a feeding frame, a motor and a plurality of transmission assemblies; the transmission assemblies are arranged on the feeding frame in an equal-gap and inclined mode; the transmission assembly comprises two bearing seats, a transmission rod, a transmission wheel, a first gear and a second gear; the transmission wheel is fixed on the transmission rod, and the transmission rod is rotatably arranged on the feeding frame through two bearing seats; the first gear and the second gear are fixed on the transmission rod and rotate synchronously.

Preferably, the second gear of the feeding mechanism is driven by the motor or by a first gear of the adjacent transmission assembly, and the first gear is connected with the second gear of the adjacent transmission assembly through a chain; the second gear of the blanking mechanism is driven by the motor, and the second gear is connected with the adjacent first gear of the transmission assembly through a chain.

Preferably, a plurality of funnel-shaped sand collectors are arranged at the bottom in the sandblasting chamber, a front sand return pipeline and a rear sand return pipeline are further arranged at the bottom of the sand collector, the front sand collector in the sandblasting chamber is communicated with the front sand return pipeline, and the rear sand collector in the sandblasting chamber is communicated with the rear sand return pipeline; the front-section sand return pipeline is connected with the front-section sand-dust separator; the back-section sand return pipeline is connected with the back-section sand-dust separator.

Preferably, the sand-dust separator comprises a box body, a conical barrel, a gravel collecting box and a support, the box body is fixed above the support, the box body is arranged by surrounding the conical barrel, an inlet is arranged on the circumferential wall of the conical barrel, outlets are arranged at the bottom and the top of the conical barrel, the inlet of the conical barrel is connected with the bottom of the sand blasting chamber, and the outlet at the top of the conical barrel is connected with the dust collector; the gravel collecting box is arranged below the outlet at the bottom of the conical barrel, and a second filter screen is arranged between the gravel collecting box and the conical barrel; a central pipe is arranged at an outlet at the top of the conical cylinder, and a first filter screen is arranged at one end of the central pipe, which is positioned in the conical cylinder; the dust collector includes a housing and a dust collection bin within the housing.

Preferably, the swing mechanism comprises a first frame body, a second frame body, a translational driving speed reducer, a disc, a connecting rod, a translational frame, a first guide rail, a first slide block, a second guide rail and a second slide block; the first frame body and the second frame body are respectively fixed on the outer walls of two sides of the sand blasting chamber, the translation driving speed reducer is fixed in the first frame body, the disc is connected to the output end of the translation driving speed reducer, one end of the connecting rod is connected to the edge part of the disc, and the other end of the connecting rod is fixedly connected with one end, far away from the sand blasting chamber, of the translation frame; the first guide rail is fixed in the first frame body and is positioned below the translation frame, the first sliding block is matched with the first guide rail, and the translation frame is fixed above the first sliding block; the second guide rail is fixed in the second frame body, the second sliding block is matched with the second guide rail, one end of the sand blasting gun fixing frame is fixedly connected with the translation frame, and the other end of the sand blasting gun fixing frame is fixedly connected with the second sliding block.

Preferably, the distance adjusting device comprises an up-down movement speed reducer installed at the middle section of the top of the sand blasting chamber, rotating rods are arranged on two sides of the up-down movement speed reducer, the rotating rods are connected to the output end of the up-down movement speed reducer, one end, away from the up-down movement speed reducer, of each rotating rod is connected with a first chain wheel, and the first chain wheels are respectively located above the first frame body and the second frame body; second chain wheels are arranged below the first frame body and the second frame body, the first chain wheels and the second chain wheels are connected and driven through first chains, the first chains penetrate through the first frame body and the second frame body, the first frame body is fixedly connected with the left section of the first chains, and the second frame body is fixedly connected with the right section of the first chains respectively; still vertically be provided with the third guide rail on the outer wall of sandblast room both sides, first support body with the second support body with the third guide rail is provided with the third slider correspondingly, the third slider with third guide rail looks adaptation.

Preferably, the distance adjusting device further comprises a first cross bar, a second cross bar and a third cross bar, the first cross bar penetrates through a gap between rollers of the first chain at the left section, the second cross bar and the third cross bar are arranged perpendicular to the first cross bar, the second cross bar and the third cross bar are distributed on two sides of the first cross bar, and the second cross bar and the third cross bar are fixedly connected with the first cross bar; the first cross rod is positioned below the second cross rod and the third cross rod, the second cross rod and the third cross rod are positioned below the tops of the first frame body and the second frame body, and the second cross rod and the third cross rod are both abutted against the first frame body and the second frame body; the distance adjusting device further comprises a counterweight tank, a fixed pulley and a cable, wherein the fixed pulley is arranged on two sides of the top of the sand blasting chamber and located above the first support body and the second support body respectively, the cable is erected on the fixed pulley, the first support body and the second support body are connected through the cable and the counterweight tank, and the counterweight tank is in a hanging state.

Preferably, the first support body with second support body top sets up two sets of fixed pulley respectively, and two sets of fixed pulley is located respectively the first support body or the both sides of second support body top, the hawser with the first support body or the tie point of second support body is located the both sides of first support body or the second support body.

Compared with the prior art, the technical scheme provided by the invention has the following advantages:

the sand blasting recovery system comprises a conveying mechanism, a sand blasting chamber, a sand dust separator and a dust collector, and can recover sand dust and dust generated by sand blasting during sand blasting so as to prevent the sand dust from spreading in a workshop to influence the health of workers and simultaneously can recycle the recovered sand dust and dust.

The sand blasting gun adjusting device comprises a swinging mechanism and a distance adjusting device, wherein the swinging mechanism is used for controlling the sand blasting gun to do reciprocating translational motion when the sand blasting gun works so as to achieve the purpose of uniform sand blasting; the distance adjusting device is used for controlling the distance between the sand blasting gun and the pipe fitting, and meets the process requirements that different pipe fittings need different sand blasting distances.

Drawings

FIG. 1 is a top view of a blast reclamation system of the present invention;

FIG. 2 is a front view of the blast reclamation system of FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view of FIG. 1 at B;

FIG. 5 is a schematic view of a dust separator;

FIG. 6 is a schematic view of the blasting gun and the pipe work in the blasting chamber;

FIG. 7 is a schematic view of an adjustment mechanism for a sand blasting gun according to the present invention;

FIG. 8 is a schematic top view of the adjustment device of FIG. 7;

FIG. 9 is an enlarged view at E of FIG. 7;

FIG. 10 is an enlarged view at F of FIG. 7;

FIG. 11 is a left side view of the structure of FIG. 7;

FIG. 12 is a schematic diagram of the right side view of FIG. 7;

FIG. 13 is an enlarged view of the structure of FIG. 11 at C;

fig. 14 is an enlarged schematic view of fig. 12 at D.

Reference numerals: 1-a sand blasting chamber, 2-a sand blasting gun, 3-a blower, 4-a front section sand-dust separator, 5-a front section dust collector, 6-a rear section sand-dust separator, 7-a rear section dust collector, 8-a feeding mechanism, 9-a blanking mechanism, 10-a feeding frame, 11-a bearing seat, 12-a transmission rod, 13-a transmission wheel, 14-a first gear, 15-a second gear, 16-a sand collector, 17-a front section sand return pipeline, 18-a rear section sand return pipeline, 19-a box body, 20-a conical barrel, 21-a gravel collecting box, 22-a bracket, 23-a second filter screen, 24-a central tube, 25-a first filter screen, 26-a dust collecting box, 27-a pipeline and 28-a sand blasting gun fixing frame, 29-a first frame body, 30-a second frame body, 31-a translational driving speed reducer, 32-a disc, 33-a connecting rod, 34-a translational frame, 35-a first guide rail, 36-a first slide block, 37-a second guide rail, 38-a second slide block, 39-an up-and-down movement speed reducer, 40-a rotating rod, 41-a first chain wheel, 42-a second chain wheel, 43-a first chain, 44-a third guide rail, 45-a third slide block, 46-a first cross rod, 47-a second cross rod, 48-a third cross rod, 49-a counterweight tank, 50-a fixed pulley and 51-a cable rope.

Detailed Description

The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

As shown in fig. 1-6, a sand blasting recycling system is shown, which comprises a conveying mechanism, a sand blasting chamber 1, a sand dust separator and a dust collector, wherein a plurality of sand blasting guns 2 are arranged at the top inside the sand blasting chamber 1, and the sand dust separator is connected with the bottom of the sand blasting chamber 1 through a pipeline 27; the dust collector is connected with the sand-dust separator through a pipeline 27, and a blower 3 is arranged in the dust collector; the transport mechanism is arranged through the sandblasting booth 1.

In the structure, the conveying mechanism is used for conveying the pipe fitting to be subjected to sand blasting into the sand blasting chamber 1, and after sand blasting is finished, the pipe fitting is conveyed out of the sand blasting chamber 1. Wherein the top in the sand blasting room 1 hangs a plurality of sand blasting guns 2, and sand blasting guns 2 sand blast to the pipe fitting.

Be provided with air-blower 3 in the dust collector, air-blower 3 starts, and whole dust collector, dust separator and 1 bottoms in sandblast room form the negative pressure environment, utilize the negative pressure environment will retrieve the dust and the dust after the pipe fitting sandblast. The sand dust and the dust enter the sand dust separator for separation, the dust enters the dust collector, and the sand dust is filtered and left in the sand dust separator.

Furthermore, the two dust separators and the two dust collectors are respectively arranged, the two dust separators comprise a front-section dust separator 4, a front-section dust collector 5, a rear-section dust separator 6 and a rear-section dust collector 7, the front-section dust separators and the rear-section dust collectors are respectively used for recovering the dust generated at the front section and the rear section of the sandblasting room 1, and the front-section dust separator 4 is connected with the front-section dust collector 5 through a pipeline 27; the rear dust separator 6 is connected to the rear dust collector 7 via a pipe 27.

The above arrangement takes into account that the power of the blower 3 is limited and cannot cover the entire range of the bottom of the blasting chamber 1, so that the bottom of the blasting chamber 1 is divided into two sections, i.e., a front section and a rear section, and the two sections are collected in stages.

Further, the conveying mechanism comprises a feeding mechanism 8 and a discharging mechanism 9, and the feeding mechanism 8 and the discharging mechanism 9 respectively comprise a feeding frame 10, a motor and a plurality of transmission assemblies; the transmission assemblies are arranged on the feeding frame 10 in an equal-gap and inclined mode; the transmission assembly comprises two bearing seats 11, a transmission rod 12, a transmission wheel 13, a first gear 14 and a second gear 15; the transmission wheel 13 is fixed on the transmission rod 12, and the transmission rod 12 is rotatably arranged on the feeding frame 10 through two bearing seats 11; the first gear 14 and the second gear 15 are both fixed on the transmission rod 12 to rotate synchronously.

Further, the second gear 15 of the feeding mechanism 8 is driven by the motor or by the first gear 14 of the adjacent transmission assembly, and the first gear 14 is connected with the second gear 15 of the adjacent transmission assembly through a chain; the second gear 15 of the blanking mechanism 9 is driven by the motor, and the second gear 15 is connected with the adjacent first gear 14 of the transmission assembly through a chain.

In this embodiment, the feeding mechanism 8 is disposed on the left side of the blasting chamber 1, and the discharging mechanism 9 is disposed on the right side of the blasting chamber 1. The tail end of the feeding mechanism 8 is positioned in the sand blasting chamber 1, and the head end of the blanking mechanism 9 is close to the tail end of the blanking mechanism 9 and is positioned in the sand blasting chamber 1. The motor (not shown) of the feeding mechanism 8 is arranged below the second gear 15 of the first transmission assembly on the left side of the feeding mechanism 8 and is used for driving the second gear 15 of the first transmission assembly on the left side of the feeding mechanism 8. The first second gear 15 of the feeding mechanism 8 is driven by the motor to rotate the transmission rod 12, and the transmission rod 12 drives the transmission wheel 13 and the first gear 14 to rotate. Meanwhile, the first gear 14 is linked with the second gear 15 of the next transmission assembly through a chain, and the next second gear 15 drives the transmission rod 12, the transmission wheel 13 and the first gear 14 to rotate. By analogy, the transmission wheels 13 of the feeding mechanism 8 are driven by a motor to synchronously rotate. When the pipe fitting conveying device is used, a pipe fitting is placed on the conveying wheel 13 of the feeding mechanism 8, and the pipe fitting is conveyed into the sand blasting chamber 1 from left to right through the rotation of the conveying wheel 13.

Wherein, a motor (not shown) of the blanking mechanism 9 is arranged below the second gear 15 of the first transmission component on the right side of the blanking mechanism 9 and is used for driving the second gear 15 of the first transmission component on the right side of the blanking mechanism 9. The first second gear 15 of the blanking mechanism 9 is driven by a motor to drive the transmission rod 12 to rotate, and the transmission rod 12 drives the transmission wheel 13 to rotate. Meanwhile, the second gear 15 is connected with the first gear 14 of the next transmission assembly through a chain, and the next first gear 14 drives the transmission rod 12, the transmission wheel 13 and the second gear 15 to rotate. By analogy, the transmission wheels 13 of the blanking mechanism 9 are driven by a motor to synchronously rotate. When the automatic pipe feeding device is used, the blanking mechanism 9 is arranged behind the feeding mechanism 8, the pipe can naturally advance to the conveying wheel 13 of the blanking mechanism 9 through the transportation of the feeding mechanism 8, and the pipe is conveyed out of the sand blasting chamber 1 from left to right under the transportation of the blanking mechanism 9.

Furthermore, a plurality of funnel-shaped sand collectors 16 are arranged at the bottom in the sand blasting chamber 1, a front sand return pipeline 17 and a rear sand return pipeline 18 are further arranged at the bottom of the sand collector 16, the front sand collector 16 in the sand blasting chamber 1 is communicated with the front sand return pipeline 17, and the rear sand collector 16 in the sand blasting chamber 1 is communicated with the rear sand return pipeline 18.

Further, the front-section sand return pipeline 17 is connected with the front-section sand-dust separator 4; the rear sand return pipeline 18 is connected with the rear sand-dust separator 6.

More specifically, under the action of the blowers 3 of the front dust collector 5 and the rear dust collector 7, the sand and dust respectively enter the front sand return pipe 17 and the rear sand return pipe 18 through the sand collector 16, and then respectively enter the front sand and dust separator 4 and the rear sand and dust separator 6 for separation and recovery.

Further, the sand-dust separator comprises a box body 19, a conical barrel 20, a gravel collecting box 21 and a support 22, the box body 19 is fixed above the support 22, the box body 19 surrounds the conical barrel 20, an inlet is formed in the circumferential wall of the conical barrel 20, outlets are formed in the bottom and the top of the conical barrel 20, the inlet of the conical barrel 20 is connected with the bottom of the sand blasting chamber 1, and the outlet in the top of the conical barrel 20 is connected with the dust collector. The gravel collecting box 21 is arranged below the outlet at the bottom of the conical barrel 20, and a second filter screen 23 is arranged between the gravel collecting box 21 and the conical barrel 20; a central pipe 24 is arranged at an outlet at the top of the conical cylinder 20, and a first filter screen 25 is arranged at one end of the central pipe 24, which is positioned in the conical cylinder 20.

In the structure, the sand dust enters the conical barrel 20 through the sand return pipeline, the dust is separated under the action of the air blower 3, and the small-particle dust leaves the conical barrel 20 through the first filter screen 25 and the central pipe 24 under the action of the air blower 3 and enters the dust collector. Part of the dust which is not sucked by the blower 3 and large granular gravel passes through the outlet at the bottom of the conical cylinder 20 under the action of gravity and is separated from the large granular gravel by the second filter screen 23. At this time, fine dust falls to the sand collecting tank at the bottom through the second filter 23, and large gravel falls on the second filter 23. Wherein the gravel on the second filter screen 23 is cleaned manually and fine dust inside the gravel collection box at the bottom can be reused.

Further, the dust collector includes a housing and a dust collection bin 26 within the housing. The dust eventually falls into the dust collection bin 26 under the action of the blower 3.

As shown in fig. 7-14, a sand blasting gun adjusting device is shown, which comprises a sand blasting chamber 1, a sand blasting gun assembly, a swinging mechanism and a distance adjusting device, wherein the sand blasting gun assembly is suspended in the sand blasting chamber 1 through a sand blasting gun fixing frame 28, the sand blasting gun assembly comprises at least two sand blasting guns 2, and the swinging mechanism is fixedly connected with the sand blasting gun fixing frame 28; the distance adjusting device is fixedly connected with the swing mechanism.

The swing mechanism with the structure drives the sand blasting gun 2 to do reciprocating translational motion through the sand blasting gun fixing frame 28, so that the problem of uneven sand blasting in the prior art is solved; wherein the roll adjustment device is connected with the swing mechanism, and the vertical position of sandblast mount is adjusted through the swing mechanism to the roll adjustment mechanism, adjusts the height of sandblast rifle 2 promptly, satisfies the technological requirement that different pipe fittings need different sandblast distances.

Further, the swing mechanism comprises a first frame body 29, a second frame body 30, a translational drive reducer 31, a disc 32, a connecting rod 33, a translational frame 34, a first guide rail 35, a first slide block 36, a second guide rail 37 and a second slide block 38; the first frame body 29 and the second frame body 30 are respectively fixed on the outer walls of two sides of the sand blasting chamber 1, the translational driving speed reducer 31 is fixed in the first frame body 29, the disc 32 is connected to the output end of the translational driving speed reducer 31, one end of the connecting rod 33 is connected to the edge part of the disc 32, and the other end of the connecting rod is fixedly connected with one end, far away from the sand blasting chamber 1, of the translational frame 34; the first guide rail 35 is fixed in the first frame body 29 and located below the translation frame 34, the first slide block 36 is matched with the first guide rail 35, and the translation frame 34 is fixed above the first slide block 36; the second guide rail 37 is fixed in the second frame body 32, the second sliding block 38 is matched with the second guide rail 37, one end of the sand blasting gun fixing frame 28 is fixedly connected with the translation frame 34, and the other end of the sand blasting gun fixing frame is fixedly connected with the second sliding block 38.

In the above structure, the translational driving reducer 31 drives the connecting rod 33 to swing through the disc 32, and the connecting rod 33 drives the translational frame 34 to perform reciprocating translational movement. Wherein the translation frame 34 is fixed above the first slide block 36, and one end of the translation frame 34 positioned in the sandblasting room 1 is fixedly connected with the sandblasting gun fixing frame 28; a second slide block 38 and a second guide rail 37 are arranged in the second frame body 30, and the other end of the sand blasting gun fixing frame 28 is fixed above the second slide block 38, so that the swinging motion of the sand blasting gun 2 is completed. It will be appreciated that the first frame 29 and the second frame 30 are located at the same horizontal plane, and the first rail 35 and the second rail 37 are located on the same straight line.

Furthermore, the distance adjusting device comprises an up-down movement speed reducer 39 installed at the middle section of the top of the sand blasting chamber 1, rotating rods 40 are arranged on two sides of the up-down movement speed reducer 39, the rotating rods 40 are connected to the output end of the up-down movement speed reducer 39, one end of each rotating rod 40, which is far away from the up-down movement speed reducer 39, is connected with a first chain wheel 41, and the first chain wheels 41 are respectively located above the first frame body 29 and the second frame body 30; a second chain wheel 32 is arranged below each of the first frame body 29 and the second frame body 30, the first chain wheel 31 and the second chain wheel 32 are connected and driven through a first chain 43, the first chain 43 passes through the first frame body 29 and the second frame body 30, the first frame body 29 is fixedly connected with the left section of the first chain 43, and the second frame body 30 is fixedly connected with the right section of the first chain 43; still vertically be provided with third guide rail 44 on the outer wall of sandblast room 1 both sides, first support body 29 with second support body 30 with third guide rail 44 is provided with third slider 45 correspondingly, third slider 45 with third guide rail 44 looks adaptation.

The distance adjusting device further comprises a counterweight tank 49, a fixed pulley 50 and a cable 51, wherein the fixed pulley 50 is respectively arranged on two sides of the top of the sand blasting chamber 1 and located above the first frame body 29 and the second frame body 30, the cable 51 is erected on the fixed pulley 50, the first frame body 29 and the second frame body 30 are connected with the counterweight tank 49 through the cable 51, and the counterweight tank 49 is in a hanging state.

The working principle of the distance adjusting device is as follows: the up-and-down movement speed reducer 39 positioned at the top of the sandblasting room 1 starts the driving rotating rod 40 to drive the first chain wheel 41 to rotate, the first chain wheel 41 on the first frame body 29 drives the left first chain 43 to ascend, and the first frame body 29 and the left first chain 43 are fixedly connected, so that the left first chain 43 drives the first frame body 29 to ascend. Similarly, the first chain wheel 41 on the second frame 30 drives the right first chain 43 to ascend, and the right first chain 43 drives the second frame 30 to ascend synchronously. Meanwhile, the sandblasting booth 1 is provided with third guide rails 44 at both sides and the first frame body 29 and the second frame body 30 have third slide blocks 45 adapted to the third guide rails 44. Furthermore, the translation frame 34 is connected to the sand blasting gun fixing frame 28 and the second sliding block 38 is connected to the sand blasting gun fixing frame 28, so that the sand blasting gun fixing frame 28 can be smoothly lifted.

Similarly, the up-down movement speed reducer 39 rotates reversely, the first chain 43 at the left section of the first frame body 29 descends, the first chain 43 at the right section of the second frame body 30 descends, and the first frame body 29 and the second frame body 30 descend due to the gravity action of the first frame body 29, the second frame body 30 and the first chain 43 which are fixedly connected with each other and the frame body itself.

In the above structure, the weight pot 49 plays a balancing role during the ascent and descent of the first and second frames 29 and 30.

Furthermore, two sets of the fixed pulleys 50 are respectively disposed above the first frame 29 and the second frame 30, the two sets of the fixed pulleys 50 are respectively disposed on two sides of the top of the first frame 29 or the second frame 30, and a connection point of the cable 51 and the first frame 29 or the second frame 30 is disposed on two sides of the first frame 29 or the second frame 30. The fixed pulleys 50 are arranged in two groups and arranged on two sides of the frame body, so that the frame body is more balanced by upward acting force.

More specifically, the distance adjusting device further comprises a first cross bar 46, a second cross bar 47 and a third cross bar 48, the first cross bar 46 passes through a gap between rollers of the left section of the first chain 43, the second cross bar 47 and the third cross bar 48 are arranged perpendicular to the first cross bar 46, the second cross bar 47 and the third cross bar 48 are distributed on two sides of the first cross bar 46, and the second cross bar 47 and the third cross bar 48 are fixedly connected with the first cross bar 46; the first cross bar 46 is located below the second cross bar 47 and the third cross bar 48, the second cross bar 47 and the third cross bar 48 are located below the tops of the first frame body 29 and the second frame body 30, and the second cross bar 47 and the third cross bar 48 are both abutted against the first frame body 29 and the second frame body 30.

First chain 43 drives first horizontal pole 46 vertical migration in the above-mentioned structure, and in the lift in-process, first horizontal pole 46 drives the support body through second horizontal pole 47 and third horizontal pole 48 and rises, and first horizontal pole 46 exerts an ascending effort through second horizontal pole 47 and third horizontal pole 48 to the support body in the decline process, prevents the support body landing.

It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The functional and structural principles of the present invention may be modified at will without departing from the principles set forth above.